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Diffstat (limited to 'libraries/irrlicht-1.8.1/source/Irrlicht/COpenGLDriver.cpp')
-rw-r--r-- | libraries/irrlicht-1.8.1/source/Irrlicht/COpenGLDriver.cpp | 4830 |
1 files changed, 4830 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8.1/source/Irrlicht/COpenGLDriver.cpp b/libraries/irrlicht-1.8.1/source/Irrlicht/COpenGLDriver.cpp new file mode 100644 index 0000000..1dbeac5 --- /dev/null +++ b/libraries/irrlicht-1.8.1/source/Irrlicht/COpenGLDriver.cpp | |||
@@ -0,0 +1,4830 @@ | |||
1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt | ||
2 | // This file is part of the "Irrlicht Engine". | ||
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | ||
4 | |||
5 | #include "COpenGLDriver.h" | ||
6 | // needed here also because of the create methods' parameters | ||
7 | #include "CNullDriver.h" | ||
8 | |||
9 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
10 | |||
11 | #include "COpenGLTexture.h" | ||
12 | #include "COpenGLMaterialRenderer.h" | ||
13 | #include "COpenGLShaderMaterialRenderer.h" | ||
14 | #include "COpenGLSLMaterialRenderer.h" | ||
15 | #include "COpenGLCgMaterialRenderer.h" | ||
16 | #include "COpenGLNormalMapRenderer.h" | ||
17 | #include "COpenGLParallaxMapRenderer.h" | ||
18 | #include "os.h" | ||
19 | |||
20 | #ifdef _IRR_COMPILE_WITH_OSX_DEVICE_ | ||
21 | #include "MacOSX/CIrrDeviceMacOSX.h" | ||
22 | #endif | ||
23 | |||
24 | #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
25 | #include <SDL/SDL.h> | ||
26 | #endif | ||
27 | |||
28 | namespace irr | ||
29 | { | ||
30 | namespace video | ||
31 | { | ||
32 | |||
33 | // ----------------------------------------------------------------------- | ||
34 | // WINDOWS CONSTRUCTOR | ||
35 | // ----------------------------------------------------------------------- | ||
36 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
37 | //! Windows constructor and init code | ||
38 | COpenGLDriver::COpenGLDriver(const irr::SIrrlichtCreationParameters& params, | ||
39 | io::IFileSystem* io, CIrrDeviceWin32* device) | ||
40 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
41 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), Transformation3DChanged(true), | ||
42 | AntiAlias(params.AntiAlias), RenderTargetTexture(0), | ||
43 | CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
44 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
45 | HDc(0), Window(static_cast<HWND>(params.WindowId)), Win32Device(device), | ||
46 | DeviceType(EIDT_WIN32) | ||
47 | { | ||
48 | #ifdef _DEBUG | ||
49 | setDebugName("COpenGLDriver"); | ||
50 | #endif | ||
51 | |||
52 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
53 | CgContext = 0; | ||
54 | #endif | ||
55 | } | ||
56 | |||
57 | |||
58 | bool COpenGLDriver::changeRenderContext(const SExposedVideoData& videoData, CIrrDeviceWin32* device) | ||
59 | { | ||
60 | if (videoData.OpenGLWin32.HWnd && videoData.OpenGLWin32.HDc && videoData.OpenGLWin32.HRc) | ||
61 | { | ||
62 | if (!wglMakeCurrent((HDC)videoData.OpenGLWin32.HDc, (HGLRC)videoData.OpenGLWin32.HRc)) | ||
63 | { | ||
64 | os::Printer::log("Render Context switch failed."); | ||
65 | return false; | ||
66 | } | ||
67 | else | ||
68 | { | ||
69 | HDc = (HDC)videoData.OpenGLWin32.HDc; | ||
70 | } | ||
71 | } | ||
72 | // set back to main context | ||
73 | else if (HDc != ExposedData.OpenGLWin32.HDc) | ||
74 | { | ||
75 | if (!wglMakeCurrent((HDC)ExposedData.OpenGLWin32.HDc, (HGLRC)ExposedData.OpenGLWin32.HRc)) | ||
76 | { | ||
77 | os::Printer::log("Render Context switch failed."); | ||
78 | return false; | ||
79 | } | ||
80 | else | ||
81 | { | ||
82 | HDc = (HDC)ExposedData.OpenGLWin32.HDc; | ||
83 | } | ||
84 | } | ||
85 | return true; | ||
86 | } | ||
87 | |||
88 | //! inits the open gl driver | ||
89 | bool COpenGLDriver::initDriver(CIrrDeviceWin32* device) | ||
90 | { | ||
91 | // Create a window to test antialiasing support | ||
92 | const fschar_t* ClassName = __TEXT("GLCIrrDeviceWin32"); | ||
93 | HINSTANCE lhInstance = GetModuleHandle(0); | ||
94 | |||
95 | // Register Class | ||
96 | WNDCLASSEX wcex; | ||
97 | wcex.cbSize = sizeof(WNDCLASSEX); | ||
98 | wcex.style = CS_HREDRAW | CS_VREDRAW; | ||
99 | wcex.lpfnWndProc = (WNDPROC)DefWindowProc; | ||
100 | wcex.cbClsExtra = 0; | ||
101 | wcex.cbWndExtra = 0; | ||
102 | wcex.hInstance = lhInstance; | ||
103 | wcex.hIcon = NULL; | ||
104 | wcex.hCursor = LoadCursor(NULL, IDC_ARROW); | ||
105 | wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); | ||
106 | wcex.lpszMenuName = 0; | ||
107 | wcex.lpszClassName = ClassName; | ||
108 | wcex.hIconSm = 0; | ||
109 | wcex.hIcon = 0; | ||
110 | RegisterClassEx(&wcex); | ||
111 | |||
112 | RECT clientSize; | ||
113 | clientSize.top = 0; | ||
114 | clientSize.left = 0; | ||
115 | clientSize.right = Params.WindowSize.Width; | ||
116 | clientSize.bottom = Params.WindowSize.Height; | ||
117 | |||
118 | DWORD style = WS_POPUP; | ||
119 | if (!Params.Fullscreen) | ||
120 | style = WS_SYSMENU | WS_BORDER | WS_CAPTION | WS_CLIPCHILDREN | WS_CLIPSIBLINGS; | ||
121 | |||
122 | AdjustWindowRect(&clientSize, style, FALSE); | ||
123 | |||
124 | const s32 realWidth = clientSize.right - clientSize.left; | ||
125 | const s32 realHeight = clientSize.bottom - clientSize.top; | ||
126 | |||
127 | const s32 windowLeft = (GetSystemMetrics(SM_CXSCREEN) - realWidth) / 2; | ||
128 | const s32 windowTop = (GetSystemMetrics(SM_CYSCREEN) - realHeight) / 2; | ||
129 | |||
130 | HWND temporary_wnd=CreateWindow(ClassName, __TEXT(""), style, windowLeft, | ||
131 | windowTop, realWidth, realHeight, NULL, NULL, lhInstance, NULL); | ||
132 | |||
133 | if (!temporary_wnd) | ||
134 | { | ||
135 | os::Printer::log("Cannot create a temporary window.", ELL_ERROR); | ||
136 | UnregisterClass(ClassName, lhInstance); | ||
137 | return false; | ||
138 | } | ||
139 | |||
140 | HDc = GetDC(temporary_wnd); | ||
141 | |||
142 | // Set up pixel format descriptor with desired parameters | ||
143 | PIXELFORMATDESCRIPTOR pfd = { | ||
144 | sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor | ||
145 | 1, // Version Number | ||
146 | PFD_DRAW_TO_WINDOW | // Format Must Support Window | ||
147 | PFD_SUPPORT_OPENGL | // Format Must Support OpenGL | ||
148 | (Params.Doublebuffer?PFD_DOUBLEBUFFER:0) | // Must Support Double Buffering | ||
149 | (Params.Stereobuffer?PFD_STEREO:0), // Must Support Stereo Buffer | ||
150 | PFD_TYPE_RGBA, // Request An RGBA Format | ||
151 | Params.Bits, // Select Our Color Depth | ||
152 | 0, 0, 0, 0, 0, 0, // Color Bits Ignored | ||
153 | 0, // No Alpha Buffer | ||
154 | 0, // Shift Bit Ignored | ||
155 | 0, // No Accumulation Buffer | ||
156 | 0, 0, 0, 0, // Accumulation Bits Ignored | ||
157 | Params.ZBufferBits, // Z-Buffer (Depth Buffer) | ||
158 | BYTE(Params.Stencilbuffer ? 1 : 0), // Stencil Buffer Depth | ||
159 | 0, // No Auxiliary Buffer | ||
160 | PFD_MAIN_PLANE, // Main Drawing Layer | ||
161 | 0, // Reserved | ||
162 | 0, 0, 0 // Layer Masks Ignored | ||
163 | }; | ||
164 | |||
165 | GLuint PixelFormat; | ||
166 | |||
167 | for (u32 i=0; i<6; ++i) | ||
168 | { | ||
169 | if (i == 1) | ||
170 | { | ||
171 | if (Params.Stencilbuffer) | ||
172 | { | ||
173 | os::Printer::log("Cannot create a GL device with stencil buffer, disabling stencil shadows.", ELL_WARNING); | ||
174 | Params.Stencilbuffer = false; | ||
175 | pfd.cStencilBits = 0; | ||
176 | } | ||
177 | else | ||
178 | continue; | ||
179 | } | ||
180 | else | ||
181 | if (i == 2) | ||
182 | { | ||
183 | pfd.cDepthBits = 24; | ||
184 | } | ||
185 | else | ||
186 | if (i == 3) | ||
187 | { | ||
188 | if (Params.Bits!=16) | ||
189 | pfd.cDepthBits = 16; | ||
190 | else | ||
191 | continue; | ||
192 | } | ||
193 | else | ||
194 | if (i == 4) | ||
195 | { | ||
196 | // try single buffer | ||
197 | if (Params.Doublebuffer) | ||
198 | pfd.dwFlags &= ~PFD_DOUBLEBUFFER; | ||
199 | else | ||
200 | continue; | ||
201 | } | ||
202 | else | ||
203 | if (i == 5) | ||
204 | { | ||
205 | os::Printer::log("Cannot create a GL device context", "No suitable format for temporary window.", ELL_ERROR); | ||
206 | ReleaseDC(temporary_wnd, HDc); | ||
207 | DestroyWindow(temporary_wnd); | ||
208 | UnregisterClass(ClassName, lhInstance); | ||
209 | return false; | ||
210 | } | ||
211 | |||
212 | // choose pixelformat | ||
213 | PixelFormat = ChoosePixelFormat(HDc, &pfd); | ||
214 | if (PixelFormat) | ||
215 | break; | ||
216 | } | ||
217 | |||
218 | SetPixelFormat(HDc, PixelFormat, &pfd); | ||
219 | HGLRC hrc=wglCreateContext(HDc); | ||
220 | if (!hrc) | ||
221 | { | ||
222 | os::Printer::log("Cannot create a temporary GL rendering context.", ELL_ERROR); | ||
223 | ReleaseDC(temporary_wnd, HDc); | ||
224 | DestroyWindow(temporary_wnd); | ||
225 | UnregisterClass(ClassName, lhInstance); | ||
226 | return false; | ||
227 | } | ||
228 | |||
229 | SExposedVideoData data; | ||
230 | data.OpenGLWin32.HDc = HDc; | ||
231 | data.OpenGLWin32.HRc = hrc; | ||
232 | data.OpenGLWin32.HWnd = temporary_wnd; | ||
233 | |||
234 | |||
235 | if (!changeRenderContext(data, device)) | ||
236 | { | ||
237 | os::Printer::log("Cannot activate a temporary GL rendering context.", ELL_ERROR); | ||
238 | wglDeleteContext(hrc); | ||
239 | ReleaseDC(temporary_wnd, HDc); | ||
240 | DestroyWindow(temporary_wnd); | ||
241 | UnregisterClass(ClassName, lhInstance); | ||
242 | return false; | ||
243 | } | ||
244 | |||
245 | core::stringc wglExtensions; | ||
246 | #ifdef WGL_ARB_extensions_string | ||
247 | PFNWGLGETEXTENSIONSSTRINGARBPROC irrGetExtensionsString = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB"); | ||
248 | if (irrGetExtensionsString) | ||
249 | wglExtensions = irrGetExtensionsString(HDc); | ||
250 | #elif defined(WGL_EXT_extensions_string) | ||
251 | PFNWGLGETEXTENSIONSSTRINGEXTPROC irrGetExtensionsString = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)wglGetProcAddress("wglGetExtensionsStringEXT"); | ||
252 | if (irrGetExtensionsString) | ||
253 | wglExtensions = irrGetExtensionsString(HDc); | ||
254 | #endif | ||
255 | const bool pixel_format_supported = (wglExtensions.find("WGL_ARB_pixel_format") != -1); | ||
256 | const bool multi_sample_supported = ((wglExtensions.find("WGL_ARB_multisample") != -1) || | ||
257 | (wglExtensions.find("WGL_EXT_multisample") != -1) || (wglExtensions.find("WGL_3DFX_multisample") != -1) ); | ||
258 | #ifdef _DEBUG | ||
259 | os::Printer::log("WGL_extensions", wglExtensions); | ||
260 | #endif | ||
261 | |||
262 | #ifdef WGL_ARB_pixel_format | ||
263 | PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormat_ARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB"); | ||
264 | if (pixel_format_supported && wglChoosePixelFormat_ARB) | ||
265 | { | ||
266 | // This value determines the number of samples used for antialiasing | ||
267 | // My experience is that 8 does not show a big | ||
268 | // improvement over 4, but 4 shows a big improvement | ||
269 | // over 2. | ||
270 | |||
271 | if(AntiAlias > 32) | ||
272 | AntiAlias = 32; | ||
273 | |||
274 | f32 fAttributes[] = {0.0, 0.0}; | ||
275 | s32 iAttributes[] = | ||
276 | { | ||
277 | WGL_DRAW_TO_WINDOW_ARB,1, | ||
278 | WGL_SUPPORT_OPENGL_ARB,1, | ||
279 | WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB, | ||
280 | WGL_COLOR_BITS_ARB,(Params.Bits==32) ? 24 : 15, | ||
281 | WGL_ALPHA_BITS_ARB,(Params.Bits==32) ? 8 : 1, | ||
282 | WGL_DEPTH_BITS_ARB,Params.ZBufferBits, // 10,11 | ||
283 | WGL_STENCIL_BITS_ARB,Params.Stencilbuffer ? 1 : 0, | ||
284 | WGL_DOUBLE_BUFFER_ARB,Params.Doublebuffer ? 1 : 0, | ||
285 | WGL_STEREO_ARB,Params.Stereobuffer ? 1 : 0, | ||
286 | WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB, | ||
287 | #ifdef WGL_ARB_multisample | ||
288 | WGL_SAMPLES_ARB,AntiAlias, // 20,21 | ||
289 | WGL_SAMPLE_BUFFERS_ARB, 1, | ||
290 | #elif defined(WGL_EXT_multisample) | ||
291 | WGL_SAMPLES_EXT,AntiAlias, // 20,21 | ||
292 | WGL_SAMPLE_BUFFERS_EXT, 1, | ||
293 | #elif defined(WGL_3DFX_multisample) | ||
294 | WGL_SAMPLES_3DFX,AntiAlias, // 20,21 | ||
295 | WGL_SAMPLE_BUFFERS_3DFX, 1, | ||
296 | #endif | ||
297 | #ifdef WGL_ARB_framebuffer_sRGB | ||
298 | WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, Params.HandleSRGB ? 1:0, | ||
299 | #elif defined(WGL_EXT_framebuffer_sRGB) | ||
300 | WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT, Params.HandleSRGB ? 1:0, | ||
301 | #endif | ||
302 | // WGL_DEPTH_FLOAT_EXT, 1, | ||
303 | 0,0,0,0 | ||
304 | }; | ||
305 | int iAttrSize = sizeof(iAttributes)/sizeof(int); | ||
306 | const bool framebuffer_srgb_supported = ((wglExtensions.find("WGL_ARB_framebuffer_sRGB") != -1) || | ||
307 | (wglExtensions.find("WGL_EXT_framebuffer_sRGB") != -1)); | ||
308 | if (!framebuffer_srgb_supported) | ||
309 | { | ||
310 | memmove(&iAttributes[24],&iAttributes[26],sizeof(int)*(iAttrSize-26)); | ||
311 | iAttrSize -= 2; | ||
312 | } | ||
313 | if (!multi_sample_supported) | ||
314 | { | ||
315 | memmove(&iAttributes[20],&iAttributes[24],sizeof(int)*(iAttrSize-24)); | ||
316 | iAttrSize -= 4; | ||
317 | } | ||
318 | |||
319 | s32 rv=0; | ||
320 | // Try to get an acceptable pixel format | ||
321 | do | ||
322 | { | ||
323 | int pixelFormat=0; | ||
324 | UINT numFormats=0; | ||
325 | const BOOL valid = wglChoosePixelFormat_ARB(HDc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); | ||
326 | |||
327 | if (valid && numFormats) | ||
328 | rv = pixelFormat; | ||
329 | else | ||
330 | iAttributes[21] -= 1; | ||
331 | } | ||
332 | while(rv==0 && iAttributes[21]>1); | ||
333 | if (rv) | ||
334 | { | ||
335 | PixelFormat=rv; | ||
336 | AntiAlias=iAttributes[21]; | ||
337 | } | ||
338 | } | ||
339 | else | ||
340 | #endif | ||
341 | AntiAlias=0; | ||
342 | |||
343 | wglMakeCurrent(HDc, NULL); | ||
344 | wglDeleteContext(hrc); | ||
345 | ReleaseDC(temporary_wnd, HDc); | ||
346 | DestroyWindow(temporary_wnd); | ||
347 | UnregisterClass(ClassName, lhInstance); | ||
348 | |||
349 | // get hdc | ||
350 | HDc=GetDC(Window); | ||
351 | if (!HDc) | ||
352 | { | ||
353 | os::Printer::log("Cannot create a GL device context.", ELL_ERROR); | ||
354 | return false; | ||
355 | } | ||
356 | |||
357 | // search for pixel format the simple way | ||
358 | if (PixelFormat==0 || (!SetPixelFormat(HDc, PixelFormat, &pfd))) | ||
359 | { | ||
360 | for (u32 i=0; i<5; ++i) | ||
361 | { | ||
362 | if (i == 1) | ||
363 | { | ||
364 | if (Params.Stencilbuffer) | ||
365 | { | ||
366 | os::Printer::log("Cannot create a GL device with stencil buffer, disabling stencil shadows.", ELL_WARNING); | ||
367 | Params.Stencilbuffer = false; | ||
368 | pfd.cStencilBits = 0; | ||
369 | } | ||
370 | else | ||
371 | continue; | ||
372 | } | ||
373 | else | ||
374 | if (i == 2) | ||
375 | { | ||
376 | pfd.cDepthBits = 24; | ||
377 | } | ||
378 | if (i == 3) | ||
379 | { | ||
380 | if (Params.Bits!=16) | ||
381 | pfd.cDepthBits = 16; | ||
382 | else | ||
383 | continue; | ||
384 | } | ||
385 | else | ||
386 | if (i == 4) | ||
387 | { | ||
388 | os::Printer::log("Cannot create a GL device context", "No suitable format.", ELL_ERROR); | ||
389 | return false; | ||
390 | } | ||
391 | |||
392 | // choose pixelformat | ||
393 | PixelFormat = ChoosePixelFormat(HDc, &pfd); | ||
394 | if (PixelFormat) | ||
395 | break; | ||
396 | } | ||
397 | } | ||
398 | |||
399 | // set pixel format | ||
400 | if (!SetPixelFormat(HDc, PixelFormat, &pfd)) | ||
401 | { | ||
402 | os::Printer::log("Cannot set the pixel format.", ELL_ERROR); | ||
403 | return false; | ||
404 | } | ||
405 | os::Printer::log("Pixel Format", core::stringc(PixelFormat).c_str(), ELL_DEBUG); | ||
406 | |||
407 | // create rendering context | ||
408 | #ifdef WGL_ARB_create_context | ||
409 | PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribs_ARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB"); | ||
410 | if (wglCreateContextAttribs_ARB) | ||
411 | { | ||
412 | int iAttribs[] = | ||
413 | { | ||
414 | WGL_CONTEXT_MAJOR_VERSION_ARB, 3, | ||
415 | WGL_CONTEXT_MINOR_VERSION_ARB, 1, | ||
416 | 0 | ||
417 | }; | ||
418 | hrc=wglCreateContextAttribs_ARB(HDc, 0, iAttribs); | ||
419 | } | ||
420 | else | ||
421 | #endif | ||
422 | hrc=wglCreateContext(HDc); | ||
423 | |||
424 | if (!hrc) | ||
425 | { | ||
426 | os::Printer::log("Cannot create a GL rendering context.", ELL_ERROR); | ||
427 | return false; | ||
428 | } | ||
429 | |||
430 | // set exposed data | ||
431 | ExposedData.OpenGLWin32.HDc = HDc; | ||
432 | ExposedData.OpenGLWin32.HRc = hrc; | ||
433 | ExposedData.OpenGLWin32.HWnd = Window; | ||
434 | |||
435 | // activate rendering context | ||
436 | |||
437 | if (!changeRenderContext(ExposedData, device)) | ||
438 | { | ||
439 | os::Printer::log("Cannot activate GL rendering context", ELL_ERROR); | ||
440 | wglDeleteContext(hrc); | ||
441 | return false; | ||
442 | } | ||
443 | |||
444 | int pf = GetPixelFormat(HDc); | ||
445 | DescribePixelFormat(HDc, pf, sizeof(PIXELFORMATDESCRIPTOR), &pfd); | ||
446 | if (pfd.cAlphaBits != 0) | ||
447 | { | ||
448 | if (pfd.cRedBits == 8) | ||
449 | ColorFormat = ECF_A8R8G8B8; | ||
450 | else | ||
451 | ColorFormat = ECF_A1R5G5B5; | ||
452 | } | ||
453 | else | ||
454 | { | ||
455 | if (pfd.cRedBits == 8) | ||
456 | ColorFormat = ECF_R8G8B8; | ||
457 | else | ||
458 | ColorFormat = ECF_R5G6B5; | ||
459 | } | ||
460 | |||
461 | genericDriverInit(); | ||
462 | |||
463 | extGlSwapInterval(Params.Vsync ? 1 : 0); | ||
464 | return true; | ||
465 | } | ||
466 | |||
467 | #endif // _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
468 | |||
469 | // ----------------------------------------------------------------------- | ||
470 | // MacOSX CONSTRUCTOR | ||
471 | // ----------------------------------------------------------------------- | ||
472 | #ifdef _IRR_COMPILE_WITH_OSX_DEVICE_ | ||
473 | //! Windows constructor and init code | ||
474 | COpenGLDriver::COpenGLDriver(const SIrrlichtCreationParameters& params, | ||
475 | io::IFileSystem* io, CIrrDeviceMacOSX *device) | ||
476 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
477 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), Transformation3DChanged(true), | ||
478 | AntiAlias(params.AntiAlias), RenderTargetTexture(0), | ||
479 | CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
480 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
481 | OSXDevice(device), DeviceType(EIDT_OSX) | ||
482 | { | ||
483 | #ifdef _DEBUG | ||
484 | setDebugName("COpenGLDriver"); | ||
485 | #endif | ||
486 | |||
487 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
488 | CgContext = 0; | ||
489 | #endif | ||
490 | |||
491 | genericDriverInit(); | ||
492 | } | ||
493 | |||
494 | #endif | ||
495 | |||
496 | // ----------------------------------------------------------------------- | ||
497 | // LINUX CONSTRUCTOR | ||
498 | // ----------------------------------------------------------------------- | ||
499 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
500 | //! Linux constructor and init code | ||
501 | COpenGLDriver::COpenGLDriver(const SIrrlichtCreationParameters& params, | ||
502 | io::IFileSystem* io, CIrrDeviceLinux* device) | ||
503 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
504 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), | ||
505 | Transformation3DChanged(true), AntiAlias(params.AntiAlias), | ||
506 | RenderTargetTexture(0), CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
507 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
508 | X11Device(device), DeviceType(EIDT_X11) | ||
509 | { | ||
510 | #ifdef _DEBUG | ||
511 | setDebugName("COpenGLDriver"); | ||
512 | #endif | ||
513 | |||
514 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
515 | CgContext = 0; | ||
516 | #endif | ||
517 | } | ||
518 | |||
519 | |||
520 | bool COpenGLDriver::changeRenderContext(const SExposedVideoData& videoData, CIrrDeviceLinux* device) | ||
521 | { | ||
522 | if (videoData.OpenGLLinux.X11Window) | ||
523 | { | ||
524 | if (videoData.OpenGLLinux.X11Display && videoData.OpenGLLinux.X11Context) | ||
525 | { | ||
526 | if (!glXMakeCurrent((Display*)videoData.OpenGLLinux.X11Display, videoData.OpenGLLinux.X11Window, (GLXContext)videoData.OpenGLLinux.X11Context)) | ||
527 | { | ||
528 | os::Printer::log("Render Context switch failed."); | ||
529 | return false; | ||
530 | } | ||
531 | else | ||
532 | { | ||
533 | Drawable = videoData.OpenGLLinux.X11Window; | ||
534 | X11Display = (Display*)videoData.OpenGLLinux.X11Display; | ||
535 | } | ||
536 | } | ||
537 | else | ||
538 | { | ||
539 | // in case we only got a window ID, try with the existing values for display and context | ||
540 | if (!glXMakeCurrent((Display*)ExposedData.OpenGLLinux.X11Display, videoData.OpenGLLinux.X11Window, (GLXContext)ExposedData.OpenGLLinux.X11Context)) | ||
541 | { | ||
542 | os::Printer::log("Render Context switch failed."); | ||
543 | return false; | ||
544 | } | ||
545 | else | ||
546 | { | ||
547 | Drawable = videoData.OpenGLLinux.X11Window; | ||
548 | X11Display = (Display*)ExposedData.OpenGLLinux.X11Display; | ||
549 | } | ||
550 | } | ||
551 | } | ||
552 | // set back to main context | ||
553 | else if (X11Display != ExposedData.OpenGLLinux.X11Display) | ||
554 | { | ||
555 | if (!glXMakeCurrent((Display*)ExposedData.OpenGLLinux.X11Display, ExposedData.OpenGLLinux.X11Window, (GLXContext)ExposedData.OpenGLLinux.X11Context)) | ||
556 | { | ||
557 | os::Printer::log("Render Context switch failed."); | ||
558 | return false; | ||
559 | } | ||
560 | else | ||
561 | { | ||
562 | Drawable = ExposedData.OpenGLLinux.X11Window; | ||
563 | X11Display = (Display*)ExposedData.OpenGLLinux.X11Display; | ||
564 | } | ||
565 | } | ||
566 | return true; | ||
567 | } | ||
568 | |||
569 | |||
570 | //! inits the open gl driver | ||
571 | bool COpenGLDriver::initDriver(CIrrDeviceLinux* device) | ||
572 | { | ||
573 | ExposedData.OpenGLLinux.X11Context = glXGetCurrentContext(); | ||
574 | ExposedData.OpenGLLinux.X11Display = glXGetCurrentDisplay(); | ||
575 | ExposedData.OpenGLLinux.X11Window = (unsigned long)Params.WindowId; | ||
576 | Drawable = glXGetCurrentDrawable(); | ||
577 | X11Display = (Display*)ExposedData.OpenGLLinux.X11Display; | ||
578 | |||
579 | genericDriverInit(); | ||
580 | |||
581 | // set vsync | ||
582 | extGlSwapInterval(Params.Vsync ? 1 : 0); | ||
583 | return true; | ||
584 | } | ||
585 | |||
586 | #endif // _IRR_COMPILE_WITH_X11_DEVICE_ | ||
587 | |||
588 | |||
589 | // ----------------------------------------------------------------------- | ||
590 | // SDL CONSTRUCTOR | ||
591 | // ----------------------------------------------------------------------- | ||
592 | #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
593 | //! SDL constructor and init code | ||
594 | COpenGLDriver::COpenGLDriver(const SIrrlichtCreationParameters& params, | ||
595 | io::IFileSystem* io, CIrrDeviceSDL* device) | ||
596 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
597 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), | ||
598 | Transformation3DChanged(true), AntiAlias(params.AntiAlias), | ||
599 | RenderTargetTexture(0), CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
600 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
601 | SDLDevice(device), DeviceType(EIDT_SDL) | ||
602 | { | ||
603 | #ifdef _DEBUG | ||
604 | setDebugName("COpenGLDriver"); | ||
605 | #endif | ||
606 | |||
607 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
608 | CgContext = 0; | ||
609 | #endif | ||
610 | |||
611 | genericDriverInit(); | ||
612 | } | ||
613 | |||
614 | #endif // _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
615 | |||
616 | |||
617 | //! destructor | ||
618 | COpenGLDriver::~COpenGLDriver() | ||
619 | { | ||
620 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
621 | if (CgContext) | ||
622 | cgDestroyContext(CgContext); | ||
623 | #endif | ||
624 | |||
625 | RequestedLights.clear(); | ||
626 | |||
627 | deleteMaterialRenders(); | ||
628 | |||
629 | CurrentTexture.clear(); | ||
630 | // I get a blue screen on my laptop, when I do not delete the | ||
631 | // textures manually before releasing the dc. Oh how I love this. | ||
632 | deleteAllTextures(); | ||
633 | removeAllOcclusionQueries(); | ||
634 | removeAllHardwareBuffers(); | ||
635 | |||
636 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
637 | if (DeviceType == EIDT_WIN32) | ||
638 | { | ||
639 | |||
640 | if (ExposedData.OpenGLWin32.HRc) | ||
641 | { | ||
642 | if (!wglMakeCurrent(HDc, 0)) | ||
643 | os::Printer::log("Release of dc and rc failed.", ELL_WARNING); | ||
644 | |||
645 | if (!wglDeleteContext((HGLRC)ExposedData.OpenGLWin32.HRc)) | ||
646 | os::Printer::log("Release of rendering context failed.", ELL_WARNING); | ||
647 | } | ||
648 | |||
649 | if (HDc) | ||
650 | ReleaseDC(Window, HDc); | ||
651 | } | ||
652 | #endif | ||
653 | } | ||
654 | |||
655 | // ----------------------------------------------------------------------- | ||
656 | // METHODS | ||
657 | // ----------------------------------------------------------------------- | ||
658 | |||
659 | bool COpenGLDriver::genericDriverInit() | ||
660 | { | ||
661 | Name=L"OpenGL "; | ||
662 | Name.append(glGetString(GL_VERSION)); | ||
663 | s32 pos=Name.findNext(L' ', 7); | ||
664 | if (pos != -1) | ||
665 | Name=Name.subString(0, pos); | ||
666 | printVersion(); | ||
667 | |||
668 | // print renderer information | ||
669 | const GLubyte* renderer = glGetString(GL_RENDERER); | ||
670 | const GLubyte* vendor = glGetString(GL_VENDOR); | ||
671 | if (renderer && vendor) | ||
672 | { | ||
673 | os::Printer::log(reinterpret_cast<const c8*>(renderer), reinterpret_cast<const c8*>(vendor), ELL_INFORMATION); | ||
674 | VendorName = reinterpret_cast<const c8*>(vendor); | ||
675 | } | ||
676 | |||
677 | u32 i; | ||
678 | CurrentTexture.clear(); | ||
679 | // load extensions | ||
680 | initExtensions(Params.Stencilbuffer); | ||
681 | if (queryFeature(EVDF_ARB_GLSL)) | ||
682 | { | ||
683 | char buf[32]; | ||
684 | const u32 maj = ShaderLanguageVersion/100; | ||
685 | snprintf(buf, 32, "%u.%u", maj, ShaderLanguageVersion-maj*100); | ||
686 | os::Printer::log("GLSL version", buf, ELL_INFORMATION); | ||
687 | } | ||
688 | else | ||
689 | os::Printer::log("GLSL not available.", ELL_INFORMATION); | ||
690 | DriverAttributes->setAttribute("MaxTextures", MaxTextureUnits); | ||
691 | DriverAttributes->setAttribute("MaxSupportedTextures", MaxSupportedTextures); | ||
692 | DriverAttributes->setAttribute("MaxLights", MaxLights); | ||
693 | DriverAttributes->setAttribute("MaxAnisotropy", MaxAnisotropy); | ||
694 | DriverAttributes->setAttribute("MaxUserClipPlanes", MaxUserClipPlanes); | ||
695 | DriverAttributes->setAttribute("MaxAuxBuffers", MaxAuxBuffers); | ||
696 | DriverAttributes->setAttribute("MaxMultipleRenderTargets", MaxMultipleRenderTargets); | ||
697 | DriverAttributes->setAttribute("MaxIndices", (s32)MaxIndices); | ||
698 | DriverAttributes->setAttribute("MaxTextureSize", (s32)MaxTextureSize); | ||
699 | DriverAttributes->setAttribute("MaxGeometryVerticesOut", (s32)MaxGeometryVerticesOut); | ||
700 | DriverAttributes->setAttribute("MaxTextureLODBias", MaxTextureLODBias); | ||
701 | DriverAttributes->setAttribute("Version", Version); | ||
702 | DriverAttributes->setAttribute("ShaderLanguageVersion", ShaderLanguageVersion); | ||
703 | DriverAttributes->setAttribute("AntiAlias", AntiAlias); | ||
704 | |||
705 | glPixelStorei(GL_PACK_ALIGNMENT, 1); | ||
706 | |||
707 | // Reset The Current Viewport | ||
708 | glViewport(0, 0, Params.WindowSize.Width, Params.WindowSize.Height); | ||
709 | |||
710 | UserClipPlanes.reallocate(MaxUserClipPlanes); | ||
711 | for (i=0; i<MaxUserClipPlanes; ++i) | ||
712 | UserClipPlanes.push_back(SUserClipPlane()); | ||
713 | |||
714 | for (i=0; i<ETS_COUNT; ++i) | ||
715 | setTransform(static_cast<E_TRANSFORMATION_STATE>(i), core::IdentityMatrix); | ||
716 | |||
717 | setAmbientLight(SColorf(0.0f,0.0f,0.0f,0.0f)); | ||
718 | #ifdef GL_EXT_separate_specular_color | ||
719 | if (FeatureAvailable[IRR_EXT_separate_specular_color]) | ||
720 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR); | ||
721 | #endif | ||
722 | glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1); | ||
723 | |||
724 | Params.HandleSRGB &= ((FeatureAvailable[IRR_ARB_framebuffer_sRGB] || FeatureAvailable[IRR_EXT_framebuffer_sRGB]) && | ||
725 | FeatureAvailable[IRR_EXT_texture_sRGB]); | ||
726 | #if defined(GL_ARB_framebuffer_sRGB) | ||
727 | if (Params.HandleSRGB) | ||
728 | glEnable(GL_FRAMEBUFFER_SRGB); | ||
729 | #elif defined(GL_EXT_framebuffer_sRGB) | ||
730 | if (Params.HandleSRGB) | ||
731 | glEnable(GL_FRAMEBUFFER_SRGB_EXT); | ||
732 | #endif | ||
733 | |||
734 | // This is a fast replacement for NORMALIZE_NORMALS | ||
735 | // if ((Version>101) || FeatureAvailable[IRR_EXT_rescale_normal]) | ||
736 | // glEnable(GL_RESCALE_NORMAL_EXT); | ||
737 | |||
738 | glClearDepth(1.0); | ||
739 | glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); | ||
740 | glHint(GL_LINE_SMOOTH_HINT, GL_NICEST); | ||
741 | glHint(GL_POINT_SMOOTH_HINT, GL_FASTEST); | ||
742 | glDepthFunc(GL_LEQUAL); | ||
743 | glFrontFace(GL_CW); | ||
744 | // adjust flat coloring scheme to DirectX version | ||
745 | #if defined(GL_ARB_provoking_vertex) || defined(GL_EXT_provoking_vertex) | ||
746 | extGlProvokingVertex(GL_FIRST_VERTEX_CONVENTION_EXT); | ||
747 | #endif | ||
748 | |||
749 | // create material renderers | ||
750 | createMaterialRenderers(); | ||
751 | |||
752 | // set the renderstates | ||
753 | setRenderStates3DMode(); | ||
754 | |||
755 | glAlphaFunc(GL_GREATER, 0.f); | ||
756 | |||
757 | // set fog mode | ||
758 | setFog(FogColor, FogType, FogStart, FogEnd, FogDensity, PixelFog, RangeFog); | ||
759 | |||
760 | // create matrix for flipping textures | ||
761 | TextureFlipMatrix.buildTextureTransform(0.0f, core::vector2df(0,0), core::vector2df(0,1.0f), core::vector2df(1.0f,-1.0f)); | ||
762 | |||
763 | // We need to reset once more at the beginning of the first rendering. | ||
764 | // This fixes problems with intermediate changes to the material during texture load. | ||
765 | ResetRenderStates = true; | ||
766 | |||
767 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
768 | CgContext = cgCreateContext(); | ||
769 | #endif | ||
770 | |||
771 | return true; | ||
772 | } | ||
773 | |||
774 | |||
775 | void COpenGLDriver::createMaterialRenderers() | ||
776 | { | ||
777 | // create OpenGL material renderers | ||
778 | |||
779 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_SOLID(this)); | ||
780 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_SOLID_2_LAYER(this)); | ||
781 | |||
782 | // add the same renderer for all lightmap types | ||
783 | COpenGLMaterialRenderer_LIGHTMAP* lmr = new COpenGLMaterialRenderer_LIGHTMAP(this); | ||
784 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP: | ||
785 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_ADD: | ||
786 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_M2: | ||
787 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_M4: | ||
788 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_LIGHTING: | ||
789 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_LIGHTING_M2: | ||
790 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_LIGHTING_M4: | ||
791 | lmr->drop(); | ||
792 | |||
793 | // add remaining material renderer | ||
794 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_DETAIL_MAP(this)); | ||
795 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_SPHERE_MAP(this)); | ||
796 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_REFLECTION_2_LAYER(this)); | ||
797 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_ADD_COLOR(this)); | ||
798 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL(this)); | ||
799 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF(this)); | ||
800 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA(this)); | ||
801 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_REFLECTION_2_LAYER(this)); | ||
802 | |||
803 | // add normal map renderers | ||
804 | s32 tmp = 0; | ||
805 | video::IMaterialRenderer* renderer = 0; | ||
806 | renderer = new COpenGLNormalMapRenderer(this, tmp, MaterialRenderers[EMT_SOLID].Renderer); | ||
807 | renderer->drop(); | ||
808 | renderer = new COpenGLNormalMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_ADD_COLOR].Renderer); | ||
809 | renderer->drop(); | ||
810 | renderer = new COpenGLNormalMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_VERTEX_ALPHA].Renderer); | ||
811 | renderer->drop(); | ||
812 | |||
813 | // add parallax map renderers | ||
814 | renderer = new COpenGLParallaxMapRenderer(this, tmp, MaterialRenderers[EMT_SOLID].Renderer); | ||
815 | renderer->drop(); | ||
816 | renderer = new COpenGLParallaxMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_ADD_COLOR].Renderer); | ||
817 | renderer->drop(); | ||
818 | renderer = new COpenGLParallaxMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_VERTEX_ALPHA].Renderer); | ||
819 | renderer->drop(); | ||
820 | |||
821 | // add basic 1 texture blending | ||
822 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_ONETEXTURE_BLEND(this)); | ||
823 | } | ||
824 | |||
825 | |||
826 | //! presents the rendered scene on the screen, returns false if failed | ||
827 | bool COpenGLDriver::endScene() | ||
828 | { | ||
829 | CNullDriver::endScene(); | ||
830 | |||
831 | glFlush(); | ||
832 | |||
833 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
834 | if (DeviceType == EIDT_WIN32) | ||
835 | return SwapBuffers(HDc) == TRUE; | ||
836 | #endif | ||
837 | |||
838 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
839 | if (DeviceType == EIDT_X11) | ||
840 | { | ||
841 | glXSwapBuffers(X11Display, Drawable); | ||
842 | return true; | ||
843 | } | ||
844 | #endif | ||
845 | |||
846 | #ifdef _IRR_COMPILE_WITH_OSX_DEVICE_ | ||
847 | if (DeviceType == EIDT_OSX) | ||
848 | { | ||
849 | OSXDevice->flush(); | ||
850 | return true; | ||
851 | } | ||
852 | #endif | ||
853 | |||
854 | #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
855 | if (DeviceType == EIDT_SDL) | ||
856 | { | ||
857 | SDL_GL_SwapBuffers(); | ||
858 | return true; | ||
859 | } | ||
860 | #endif | ||
861 | |||
862 | // todo: console device present | ||
863 | |||
864 | return false; | ||
865 | } | ||
866 | |||
867 | |||
868 | //! clears the zbuffer and color buffer | ||
869 | void COpenGLDriver::clearBuffers(bool backBuffer, bool zBuffer, bool stencilBuffer, SColor color) | ||
870 | { | ||
871 | GLbitfield mask = 0; | ||
872 | if (backBuffer) | ||
873 | { | ||
874 | const f32 inv = 1.0f / 255.0f; | ||
875 | glClearColor(color.getRed() * inv, color.getGreen() * inv, | ||
876 | color.getBlue() * inv, color.getAlpha() * inv); | ||
877 | |||
878 | mask |= GL_COLOR_BUFFER_BIT; | ||
879 | } | ||
880 | |||
881 | if (zBuffer) | ||
882 | { | ||
883 | glDepthMask(GL_TRUE); | ||
884 | LastMaterial.ZWriteEnable=true; | ||
885 | mask |= GL_DEPTH_BUFFER_BIT; | ||
886 | } | ||
887 | |||
888 | if (stencilBuffer) | ||
889 | mask |= GL_STENCIL_BUFFER_BIT; | ||
890 | |||
891 | if (mask) | ||
892 | glClear(mask); | ||
893 | } | ||
894 | |||
895 | |||
896 | //! init call for rendering start | ||
897 | bool COpenGLDriver::beginScene(bool backBuffer, bool zBuffer, SColor color, | ||
898 | const SExposedVideoData& videoData, core::rect<s32>* sourceRect) | ||
899 | { | ||
900 | CNullDriver::beginScene(backBuffer, zBuffer, color, videoData, sourceRect); | ||
901 | |||
902 | switch (DeviceType) | ||
903 | { | ||
904 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
905 | case EIDT_WIN32: | ||
906 | changeRenderContext(videoData, Win32Device); | ||
907 | break; | ||
908 | #endif | ||
909 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
910 | case EIDT_X11: | ||
911 | changeRenderContext(videoData, X11Device); | ||
912 | break; | ||
913 | #endif | ||
914 | default: | ||
915 | changeRenderContext(videoData, (void*)0); | ||
916 | break; | ||
917 | } | ||
918 | |||
919 | #if defined(_IRR_COMPILE_WITH_SDL_DEVICE_) | ||
920 | if (DeviceType == EIDT_SDL) | ||
921 | { | ||
922 | // todo: SDL sets glFrontFace(GL_CCW) after driver creation, | ||
923 | // it would be better if this was fixed elsewhere. | ||
924 | glFrontFace(GL_CW); | ||
925 | } | ||
926 | #endif | ||
927 | |||
928 | clearBuffers(backBuffer, zBuffer, false, color); | ||
929 | return true; | ||
930 | } | ||
931 | |||
932 | |||
933 | //! Returns the transformation set by setTransform | ||
934 | const core::matrix4& COpenGLDriver::getTransform(E_TRANSFORMATION_STATE state) const | ||
935 | { | ||
936 | return Matrices[state]; | ||
937 | } | ||
938 | |||
939 | |||
940 | //! sets transformation | ||
941 | void COpenGLDriver::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat) | ||
942 | { | ||
943 | Matrices[state] = mat; | ||
944 | Transformation3DChanged = true; | ||
945 | |||
946 | switch (state) | ||
947 | { | ||
948 | case ETS_VIEW: | ||
949 | case ETS_WORLD: | ||
950 | { | ||
951 | // OpenGL only has a model matrix, view and world is not existent. so lets fake these two. | ||
952 | glMatrixMode(GL_MODELVIEW); | ||
953 | |||
954 | // first load the viewing transformation for user clip planes | ||
955 | glLoadMatrixf((Matrices[ETS_VIEW]).pointer()); | ||
956 | |||
957 | // we have to update the clip planes to the latest view matrix | ||
958 | for (u32 i=0; i<MaxUserClipPlanes; ++i) | ||
959 | if (UserClipPlanes[i].Enabled) | ||
960 | uploadClipPlane(i); | ||
961 | |||
962 | // now the real model-view matrix | ||
963 | glMultMatrixf(Matrices[ETS_WORLD].pointer()); | ||
964 | } | ||
965 | break; | ||
966 | case ETS_PROJECTION: | ||
967 | { | ||
968 | glMatrixMode(GL_PROJECTION); | ||
969 | glLoadMatrixf(mat.pointer()); | ||
970 | } | ||
971 | break; | ||
972 | case ETS_COUNT: | ||
973 | return; | ||
974 | default: | ||
975 | { | ||
976 | const u32 i = state - ETS_TEXTURE_0; | ||
977 | if (i >= MATERIAL_MAX_TEXTURES) | ||
978 | break; | ||
979 | |||
980 | const bool isRTT = Material.getTexture(i) && Material.getTexture(i)->isRenderTarget(); | ||
981 | |||
982 | if (MultiTextureExtension) | ||
983 | extGlActiveTexture(GL_TEXTURE0_ARB + i); | ||
984 | |||
985 | glMatrixMode(GL_TEXTURE); | ||
986 | if (!isRTT && mat.isIdentity() ) | ||
987 | glLoadIdentity(); | ||
988 | else | ||
989 | { | ||
990 | GLfloat glmat[16]; | ||
991 | if (isRTT) | ||
992 | getGLTextureMatrix(glmat, mat * TextureFlipMatrix); | ||
993 | else | ||
994 | getGLTextureMatrix(glmat, mat); | ||
995 | glLoadMatrixf(glmat); | ||
996 | } | ||
997 | break; | ||
998 | } | ||
999 | } | ||
1000 | } | ||
1001 | |||
1002 | |||
1003 | bool COpenGLDriver::updateVertexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) | ||
1004 | { | ||
1005 | if (!HWBuffer) | ||
1006 | return false; | ||
1007 | |||
1008 | if (!FeatureAvailable[IRR_ARB_vertex_buffer_object]) | ||
1009 | return false; | ||
1010 | |||
1011 | #if defined(GL_ARB_vertex_buffer_object) | ||
1012 | const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; | ||
1013 | const void* vertices=mb->getVertices(); | ||
1014 | const u32 vertexCount=mb->getVertexCount(); | ||
1015 | const E_VERTEX_TYPE vType=mb->getVertexType(); | ||
1016 | const u32 vertexSize = getVertexPitchFromType(vType); | ||
1017 | |||
1018 | const c8* vbuf = static_cast<const c8*>(vertices); | ||
1019 | core::array<c8> buffer; | ||
1020 | if (!FeatureAvailable[IRR_ARB_vertex_array_bgra] && !FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1021 | { | ||
1022 | //buffer vertex data, and convert colors... | ||
1023 | buffer.set_used(vertexSize * vertexCount); | ||
1024 | memcpy(buffer.pointer(), vertices, vertexSize * vertexCount); | ||
1025 | vbuf = buffer.const_pointer(); | ||
1026 | |||
1027 | // in order to convert the colors into opengl format (RGBA) | ||
1028 | switch (vType) | ||
1029 | { | ||
1030 | case EVT_STANDARD: | ||
1031 | { | ||
1032 | S3DVertex* pb = reinterpret_cast<S3DVertex*>(buffer.pointer()); | ||
1033 | const S3DVertex* po = static_cast<const S3DVertex*>(vertices); | ||
1034 | for (u32 i=0; i<vertexCount; i++) | ||
1035 | { | ||
1036 | po[i].Color.toOpenGLColor((u8*)&(pb[i].Color)); | ||
1037 | } | ||
1038 | } | ||
1039 | break; | ||
1040 | case EVT_2TCOORDS: | ||
1041 | { | ||
1042 | S3DVertex2TCoords* pb = reinterpret_cast<S3DVertex2TCoords*>(buffer.pointer()); | ||
1043 | const S3DVertex2TCoords* po = static_cast<const S3DVertex2TCoords*>(vertices); | ||
1044 | for (u32 i=0; i<vertexCount; i++) | ||
1045 | { | ||
1046 | po[i].Color.toOpenGLColor((u8*)&(pb[i].Color)); | ||
1047 | } | ||
1048 | } | ||
1049 | break; | ||
1050 | case EVT_TANGENTS: | ||
1051 | { | ||
1052 | S3DVertexTangents* pb = reinterpret_cast<S3DVertexTangents*>(buffer.pointer()); | ||
1053 | const S3DVertexTangents* po = static_cast<const S3DVertexTangents*>(vertices); | ||
1054 | for (u32 i=0; i<vertexCount; i++) | ||
1055 | { | ||
1056 | po[i].Color.toOpenGLColor((u8*)&(pb[i].Color)); | ||
1057 | } | ||
1058 | } | ||
1059 | break; | ||
1060 | default: | ||
1061 | { | ||
1062 | return false; | ||
1063 | } | ||
1064 | } | ||
1065 | } | ||
1066 | |||
1067 | //get or create buffer | ||
1068 | bool newBuffer=false; | ||
1069 | if (!HWBuffer->vbo_verticesID) | ||
1070 | { | ||
1071 | extGlGenBuffers(1, &HWBuffer->vbo_verticesID); | ||
1072 | if (!HWBuffer->vbo_verticesID) | ||
1073 | return false; | ||
1074 | newBuffer=true; | ||
1075 | } | ||
1076 | else if (HWBuffer->vbo_verticesSize < vertexCount*vertexSize) | ||
1077 | { | ||
1078 | newBuffer=true; | ||
1079 | } | ||
1080 | |||
1081 | extGlBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); | ||
1082 | |||
1083 | //copy data to graphics card | ||
1084 | glGetError(); // clear error storage | ||
1085 | if (!newBuffer) | ||
1086 | extGlBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * vertexSize, vbuf); | ||
1087 | else | ||
1088 | { | ||
1089 | HWBuffer->vbo_verticesSize = vertexCount*vertexSize; | ||
1090 | |||
1091 | if (HWBuffer->Mapped_Vertex==scene::EHM_STATIC) | ||
1092 | extGlBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, vbuf, GL_STATIC_DRAW); | ||
1093 | else if (HWBuffer->Mapped_Vertex==scene::EHM_DYNAMIC) | ||
1094 | extGlBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, vbuf, GL_DYNAMIC_DRAW); | ||
1095 | else //scene::EHM_STREAM | ||
1096 | extGlBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, vbuf, GL_STREAM_DRAW); | ||
1097 | } | ||
1098 | |||
1099 | extGlBindBuffer(GL_ARRAY_BUFFER, 0); | ||
1100 | |||
1101 | return (glGetError() == GL_NO_ERROR); | ||
1102 | #else | ||
1103 | return false; | ||
1104 | #endif | ||
1105 | } | ||
1106 | |||
1107 | |||
1108 | bool COpenGLDriver::updateIndexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) | ||
1109 | { | ||
1110 | if (!HWBuffer) | ||
1111 | return false; | ||
1112 | |||
1113 | if (!FeatureAvailable[IRR_ARB_vertex_buffer_object]) | ||
1114 | return false; | ||
1115 | |||
1116 | #if defined(GL_ARB_vertex_buffer_object) | ||
1117 | const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; | ||
1118 | |||
1119 | const void* indices=mb->getIndices(); | ||
1120 | u32 indexCount= mb->getIndexCount(); | ||
1121 | |||
1122 | GLenum indexSize; | ||
1123 | switch (mb->getIndexType()) | ||
1124 | { | ||
1125 | case EIT_16BIT: | ||
1126 | { | ||
1127 | indexSize=sizeof(u16); | ||
1128 | break; | ||
1129 | } | ||
1130 | case EIT_32BIT: | ||
1131 | { | ||
1132 | indexSize=sizeof(u32); | ||
1133 | break; | ||
1134 | } | ||
1135 | default: | ||
1136 | { | ||
1137 | return false; | ||
1138 | } | ||
1139 | } | ||
1140 | |||
1141 | |||
1142 | //get or create buffer | ||
1143 | bool newBuffer=false; | ||
1144 | if (!HWBuffer->vbo_indicesID) | ||
1145 | { | ||
1146 | extGlGenBuffers(1, &HWBuffer->vbo_indicesID); | ||
1147 | if (!HWBuffer->vbo_indicesID) | ||
1148 | return false; | ||
1149 | newBuffer=true; | ||
1150 | } | ||
1151 | else if (HWBuffer->vbo_indicesSize < indexCount*indexSize) | ||
1152 | { | ||
1153 | newBuffer=true; | ||
1154 | } | ||
1155 | |||
1156 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); | ||
1157 | |||
1158 | //copy data to graphics card | ||
1159 | glGetError(); // clear error storage | ||
1160 | if (!newBuffer) | ||
1161 | extGlBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, indexCount * indexSize, indices); | ||
1162 | else | ||
1163 | { | ||
1164 | HWBuffer->vbo_indicesSize = indexCount*indexSize; | ||
1165 | |||
1166 | if (HWBuffer->Mapped_Index==scene::EHM_STATIC) | ||
1167 | extGlBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STATIC_DRAW); | ||
1168 | else if (HWBuffer->Mapped_Index==scene::EHM_DYNAMIC) | ||
1169 | extGlBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_DYNAMIC_DRAW); | ||
1170 | else //scene::EHM_STREAM | ||
1171 | extGlBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STREAM_DRAW); | ||
1172 | } | ||
1173 | |||
1174 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); | ||
1175 | |||
1176 | return (glGetError() == GL_NO_ERROR); | ||
1177 | #else | ||
1178 | return false; | ||
1179 | #endif | ||
1180 | } | ||
1181 | |||
1182 | |||
1183 | //! updates hardware buffer if needed | ||
1184 | bool COpenGLDriver::updateHardwareBuffer(SHWBufferLink *HWBuffer) | ||
1185 | { | ||
1186 | if (!HWBuffer) | ||
1187 | return false; | ||
1188 | |||
1189 | if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER) | ||
1190 | { | ||
1191 | if (HWBuffer->ChangedID_Vertex != HWBuffer->MeshBuffer->getChangedID_Vertex() | ||
1192 | || !((SHWBufferLink_opengl*)HWBuffer)->vbo_verticesID) | ||
1193 | { | ||
1194 | |||
1195 | HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex(); | ||
1196 | |||
1197 | if (!updateVertexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer)) | ||
1198 | return false; | ||
1199 | } | ||
1200 | } | ||
1201 | |||
1202 | if (HWBuffer->Mapped_Index!=scene::EHM_NEVER) | ||
1203 | { | ||
1204 | if (HWBuffer->ChangedID_Index != HWBuffer->MeshBuffer->getChangedID_Index() | ||
1205 | || !((SHWBufferLink_opengl*)HWBuffer)->vbo_indicesID) | ||
1206 | { | ||
1207 | |||
1208 | HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index(); | ||
1209 | |||
1210 | if (!updateIndexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer)) | ||
1211 | return false; | ||
1212 | } | ||
1213 | } | ||
1214 | |||
1215 | return true; | ||
1216 | } | ||
1217 | |||
1218 | |||
1219 | //! Create hardware buffer from meshbuffer | ||
1220 | COpenGLDriver::SHWBufferLink *COpenGLDriver::createHardwareBuffer(const scene::IMeshBuffer* mb) | ||
1221 | { | ||
1222 | #if defined(GL_ARB_vertex_buffer_object) | ||
1223 | if (!mb || (mb->getHardwareMappingHint_Index()==scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex()==scene::EHM_NEVER)) | ||
1224 | return 0; | ||
1225 | |||
1226 | SHWBufferLink_opengl *HWBuffer=new SHWBufferLink_opengl(mb); | ||
1227 | |||
1228 | //add to map | ||
1229 | HWBufferMap.insert(HWBuffer->MeshBuffer, HWBuffer); | ||
1230 | |||
1231 | HWBuffer->ChangedID_Vertex=HWBuffer->MeshBuffer->getChangedID_Vertex(); | ||
1232 | HWBuffer->ChangedID_Index=HWBuffer->MeshBuffer->getChangedID_Index(); | ||
1233 | HWBuffer->Mapped_Vertex=mb->getHardwareMappingHint_Vertex(); | ||
1234 | HWBuffer->Mapped_Index=mb->getHardwareMappingHint_Index(); | ||
1235 | HWBuffer->LastUsed=0; | ||
1236 | HWBuffer->vbo_verticesID=0; | ||
1237 | HWBuffer->vbo_indicesID=0; | ||
1238 | HWBuffer->vbo_verticesSize=0; | ||
1239 | HWBuffer->vbo_indicesSize=0; | ||
1240 | |||
1241 | if (!updateHardwareBuffer(HWBuffer)) | ||
1242 | { | ||
1243 | deleteHardwareBuffer(HWBuffer); | ||
1244 | return 0; | ||
1245 | } | ||
1246 | |||
1247 | return HWBuffer; | ||
1248 | #else | ||
1249 | return 0; | ||
1250 | #endif | ||
1251 | } | ||
1252 | |||
1253 | |||
1254 | void COpenGLDriver::deleteHardwareBuffer(SHWBufferLink *_HWBuffer) | ||
1255 | { | ||
1256 | if (!_HWBuffer) | ||
1257 | return; | ||
1258 | |||
1259 | #if defined(GL_ARB_vertex_buffer_object) | ||
1260 | SHWBufferLink_opengl *HWBuffer=(SHWBufferLink_opengl*)_HWBuffer; | ||
1261 | if (HWBuffer->vbo_verticesID) | ||
1262 | { | ||
1263 | extGlDeleteBuffers(1, &HWBuffer->vbo_verticesID); | ||
1264 | HWBuffer->vbo_verticesID=0; | ||
1265 | } | ||
1266 | if (HWBuffer->vbo_indicesID) | ||
1267 | { | ||
1268 | extGlDeleteBuffers(1, &HWBuffer->vbo_indicesID); | ||
1269 | HWBuffer->vbo_indicesID=0; | ||
1270 | } | ||
1271 | #endif | ||
1272 | |||
1273 | CNullDriver::deleteHardwareBuffer(_HWBuffer); | ||
1274 | } | ||
1275 | |||
1276 | |||
1277 | //! Draw hardware buffer | ||
1278 | void COpenGLDriver::drawHardwareBuffer(SHWBufferLink *_HWBuffer) | ||
1279 | { | ||
1280 | if (!_HWBuffer) | ||
1281 | return; | ||
1282 | |||
1283 | updateHardwareBuffer(_HWBuffer); //check if update is needed | ||
1284 | _HWBuffer->LastUsed=0; //reset count | ||
1285 | |||
1286 | #if defined(GL_ARB_vertex_buffer_object) | ||
1287 | SHWBufferLink_opengl *HWBuffer=(SHWBufferLink_opengl*)_HWBuffer; | ||
1288 | |||
1289 | const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; | ||
1290 | const void *vertices=mb->getVertices(); | ||
1291 | const void *indexList=mb->getIndices(); | ||
1292 | |||
1293 | if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER) | ||
1294 | { | ||
1295 | extGlBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); | ||
1296 | vertices=0; | ||
1297 | } | ||
1298 | |||
1299 | if (HWBuffer->Mapped_Index!=scene::EHM_NEVER) | ||
1300 | { | ||
1301 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); | ||
1302 | indexList=0; | ||
1303 | } | ||
1304 | |||
1305 | drawVertexPrimitiveList(vertices, mb->getVertexCount(), indexList, mb->getIndexCount()/3, mb->getVertexType(), scene::EPT_TRIANGLES, mb->getIndexType()); | ||
1306 | |||
1307 | if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER) | ||
1308 | extGlBindBuffer(GL_ARRAY_BUFFER, 0); | ||
1309 | if (HWBuffer->Mapped_Index!=scene::EHM_NEVER) | ||
1310 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); | ||
1311 | #endif | ||
1312 | } | ||
1313 | |||
1314 | |||
1315 | //! Create occlusion query. | ||
1316 | /** Use node for identification and mesh for occlusion test. */ | ||
1317 | void COpenGLDriver::addOcclusionQuery(scene::ISceneNode* node, | ||
1318 | const scene::IMesh* mesh) | ||
1319 | { | ||
1320 | if (!queryFeature(EVDF_OCCLUSION_QUERY)) | ||
1321 | return; | ||
1322 | |||
1323 | CNullDriver::addOcclusionQuery(node, mesh); | ||
1324 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1325 | if ((index != -1) && (OcclusionQueries[index].UID == 0)) | ||
1326 | extGlGenQueries(1, reinterpret_cast<GLuint*>(&OcclusionQueries[index].UID)); | ||
1327 | } | ||
1328 | |||
1329 | |||
1330 | //! Remove occlusion query. | ||
1331 | void COpenGLDriver::removeOcclusionQuery(scene::ISceneNode* node) | ||
1332 | { | ||
1333 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1334 | if (index != -1) | ||
1335 | { | ||
1336 | if (OcclusionQueries[index].UID != 0) | ||
1337 | extGlDeleteQueries(1, reinterpret_cast<GLuint*>(&OcclusionQueries[index].UID)); | ||
1338 | CNullDriver::removeOcclusionQuery(node); | ||
1339 | } | ||
1340 | } | ||
1341 | |||
1342 | |||
1343 | //! Run occlusion query. Draws mesh stored in query. | ||
1344 | /** If the mesh shall not be rendered visible, use | ||
1345 | overrideMaterial to disable the color and depth buffer. */ | ||
1346 | void COpenGLDriver::runOcclusionQuery(scene::ISceneNode* node, bool visible) | ||
1347 | { | ||
1348 | if (!node) | ||
1349 | return; | ||
1350 | |||
1351 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1352 | if (index != -1) | ||
1353 | { | ||
1354 | if (OcclusionQueries[index].UID) | ||
1355 | extGlBeginQuery( | ||
1356 | #ifdef GL_ARB_occlusion_query | ||
1357 | GL_SAMPLES_PASSED_ARB, | ||
1358 | #else | ||
1359 | 0, | ||
1360 | #endif | ||
1361 | OcclusionQueries[index].UID); | ||
1362 | CNullDriver::runOcclusionQuery(node,visible); | ||
1363 | if (OcclusionQueries[index].UID) | ||
1364 | extGlEndQuery( | ||
1365 | #ifdef GL_ARB_occlusion_query | ||
1366 | GL_SAMPLES_PASSED_ARB); | ||
1367 | #else | ||
1368 | 0); | ||
1369 | #endif | ||
1370 | testGLError(); | ||
1371 | } | ||
1372 | } | ||
1373 | |||
1374 | |||
1375 | //! Update occlusion query. Retrieves results from GPU. | ||
1376 | /** If the query shall not block, set the flag to false. | ||
1377 | Update might not occur in this case, though */ | ||
1378 | void COpenGLDriver::updateOcclusionQuery(scene::ISceneNode* node, bool block) | ||
1379 | { | ||
1380 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1381 | if (index != -1) | ||
1382 | { | ||
1383 | // not yet started | ||
1384 | if (OcclusionQueries[index].Run==u32(~0)) | ||
1385 | return; | ||
1386 | GLint available = block?GL_TRUE:GL_FALSE; | ||
1387 | if (!block) | ||
1388 | extGlGetQueryObjectiv(OcclusionQueries[index].UID, | ||
1389 | #ifdef GL_ARB_occlusion_query | ||
1390 | GL_QUERY_RESULT_AVAILABLE_ARB, | ||
1391 | #elif defined(GL_NV_occlusion_query) | ||
1392 | GL_PIXEL_COUNT_AVAILABLE_NV, | ||
1393 | #else | ||
1394 | 0, | ||
1395 | #endif | ||
1396 | &available); | ||
1397 | testGLError(); | ||
1398 | if (available==GL_TRUE) | ||
1399 | { | ||
1400 | extGlGetQueryObjectiv(OcclusionQueries[index].UID, | ||
1401 | #ifdef GL_ARB_occlusion_query | ||
1402 | GL_QUERY_RESULT_ARB, | ||
1403 | #elif defined(GL_NV_occlusion_query) | ||
1404 | GL_PIXEL_COUNT_NV, | ||
1405 | #else | ||
1406 | 0, | ||
1407 | #endif | ||
1408 | &available); | ||
1409 | if (queryFeature(EVDF_OCCLUSION_QUERY)) | ||
1410 | OcclusionQueries[index].Result = available; | ||
1411 | } | ||
1412 | testGLError(); | ||
1413 | } | ||
1414 | } | ||
1415 | |||
1416 | |||
1417 | //! Return query result. | ||
1418 | /** Return value is the number of visible pixels/fragments. | ||
1419 | The value is a safe approximation, i.e. can be larger than the | ||
1420 | actual value of pixels. */ | ||
1421 | u32 COpenGLDriver::getOcclusionQueryResult(scene::ISceneNode* node) const | ||
1422 | { | ||
1423 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1424 | if (index != -1) | ||
1425 | return OcclusionQueries[index].Result; | ||
1426 | else | ||
1427 | return ~0; | ||
1428 | } | ||
1429 | |||
1430 | |||
1431 | // small helper function to create vertex buffer object adress offsets | ||
1432 | static inline u8* buffer_offset(const long offset) | ||
1433 | { | ||
1434 | return ((u8*)0 + offset); | ||
1435 | } | ||
1436 | |||
1437 | |||
1438 | //! draws a vertex primitive list | ||
1439 | void COpenGLDriver::drawVertexPrimitiveList(const void* vertices, u32 vertexCount, | ||
1440 | const void* indexList, u32 primitiveCount, | ||
1441 | E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) | ||
1442 | { | ||
1443 | if (!primitiveCount || !vertexCount) | ||
1444 | return; | ||
1445 | |||
1446 | if (!checkPrimitiveCount(primitiveCount)) | ||
1447 | return; | ||
1448 | |||
1449 | CNullDriver::drawVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType); | ||
1450 | |||
1451 | if (vertices && !FeatureAvailable[IRR_ARB_vertex_array_bgra] && !FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1452 | getColorBuffer(vertices, vertexCount, vType); | ||
1453 | |||
1454 | // draw everything | ||
1455 | setRenderStates3DMode(); | ||
1456 | |||
1457 | if (MultiTextureExtension) | ||
1458 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1459 | |||
1460 | glEnableClientState(GL_COLOR_ARRAY); | ||
1461 | glEnableClientState(GL_VERTEX_ARRAY); | ||
1462 | if ((pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES)) | ||
1463 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1464 | if ((pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES)) | ||
1465 | glEnableClientState(GL_NORMAL_ARRAY); | ||
1466 | |||
1467 | //due to missing defines in OSX headers, we have to be more specific with this check | ||
1468 | //#if defined(GL_ARB_vertex_array_bgra) || defined(GL_EXT_vertex_array_bgra) | ||
1469 | #ifdef GL_BGRA | ||
1470 | const GLint colorSize=(FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra])?GL_BGRA:4; | ||
1471 | #else | ||
1472 | const GLint colorSize=4; | ||
1473 | #endif | ||
1474 | if (vertices) | ||
1475 | { | ||
1476 | if (FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1477 | { | ||
1478 | switch (vType) | ||
1479 | { | ||
1480 | case EVT_STANDARD: | ||
1481 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Color); | ||
1482 | break; | ||
1483 | case EVT_2TCOORDS: | ||
1484 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Color); | ||
1485 | break; | ||
1486 | case EVT_TANGENTS: | ||
1487 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Color); | ||
1488 | break; | ||
1489 | } | ||
1490 | } | ||
1491 | else | ||
1492 | { | ||
1493 | // avoid passing broken pointer to OpenGL | ||
1494 | _IRR_DEBUG_BREAK_IF(ColorBuffer.size()==0); | ||
1495 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, 0, &ColorBuffer[0]); | ||
1496 | } | ||
1497 | } | ||
1498 | |||
1499 | switch (vType) | ||
1500 | { | ||
1501 | case EVT_STANDARD: | ||
1502 | if (vertices) | ||
1503 | { | ||
1504 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Normal); | ||
1505 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1506 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Pos); | ||
1507 | } | ||
1508 | else | ||
1509 | { | ||
1510 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex), buffer_offset(12)); | ||
1511 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), buffer_offset(24)); | ||
1512 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1513 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex), 0); | ||
1514 | } | ||
1515 | |||
1516 | if (MultiTextureExtension && CurrentTexture[1]) | ||
1517 | { | ||
1518 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1519 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1520 | if (vertices) | ||
1521 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1522 | else | ||
1523 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1524 | } | ||
1525 | break; | ||
1526 | case EVT_2TCOORDS: | ||
1527 | if (vertices) | ||
1528 | { | ||
1529 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Normal); | ||
1530 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords); | ||
1531 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Pos); | ||
1532 | } | ||
1533 | else | ||
1534 | { | ||
1535 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(12)); | ||
1536 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), buffer_offset(24)); | ||
1537 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(28)); | ||
1538 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(0)); | ||
1539 | } | ||
1540 | |||
1541 | |||
1542 | if (MultiTextureExtension) | ||
1543 | { | ||
1544 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1545 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1546 | if (vertices) | ||
1547 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords2); | ||
1548 | else | ||
1549 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(36)); | ||
1550 | } | ||
1551 | break; | ||
1552 | case EVT_TANGENTS: | ||
1553 | if (vertices) | ||
1554 | { | ||
1555 | glNormalPointer(GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Normal); | ||
1556 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].TCoords); | ||
1557 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Pos); | ||
1558 | } | ||
1559 | else | ||
1560 | { | ||
1561 | glNormalPointer(GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(12)); | ||
1562 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), buffer_offset(24)); | ||
1563 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(28)); | ||
1564 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(0)); | ||
1565 | } | ||
1566 | |||
1567 | if (MultiTextureExtension) | ||
1568 | { | ||
1569 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1570 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1571 | if (vertices) | ||
1572 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Tangent); | ||
1573 | else | ||
1574 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(36)); | ||
1575 | |||
1576 | extGlClientActiveTexture(GL_TEXTURE2_ARB); | ||
1577 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1578 | if (vertices) | ||
1579 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Binormal); | ||
1580 | else | ||
1581 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(48)); | ||
1582 | } | ||
1583 | break; | ||
1584 | } | ||
1585 | |||
1586 | renderArray(indexList, primitiveCount, pType, iType); | ||
1587 | |||
1588 | if (MultiTextureExtension) | ||
1589 | { | ||
1590 | if (vType==EVT_TANGENTS) | ||
1591 | { | ||
1592 | extGlClientActiveTexture(GL_TEXTURE2_ARB); | ||
1593 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1594 | } | ||
1595 | if ((vType!=EVT_STANDARD) || CurrentTexture[1]) | ||
1596 | { | ||
1597 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1598 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1599 | } | ||
1600 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1601 | } | ||
1602 | glDisableClientState(GL_COLOR_ARRAY); | ||
1603 | glDisableClientState(GL_VERTEX_ARRAY); | ||
1604 | glDisableClientState(GL_NORMAL_ARRAY); | ||
1605 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1606 | } | ||
1607 | |||
1608 | |||
1609 | void COpenGLDriver::getColorBuffer(const void* vertices, u32 vertexCount, E_VERTEX_TYPE vType) | ||
1610 | { | ||
1611 | // convert colors to gl color format. | ||
1612 | vertexCount *= 4; //reused as color component count | ||
1613 | ColorBuffer.set_used(vertexCount); | ||
1614 | u32 i; | ||
1615 | |||
1616 | switch (vType) | ||
1617 | { | ||
1618 | case EVT_STANDARD: | ||
1619 | { | ||
1620 | const S3DVertex* p = static_cast<const S3DVertex*>(vertices); | ||
1621 | for (i=0; i<vertexCount; i+=4) | ||
1622 | { | ||
1623 | p->Color.toOpenGLColor(&ColorBuffer[i]); | ||
1624 | ++p; | ||
1625 | } | ||
1626 | } | ||
1627 | break; | ||
1628 | case EVT_2TCOORDS: | ||
1629 | { | ||
1630 | const S3DVertex2TCoords* p = static_cast<const S3DVertex2TCoords*>(vertices); | ||
1631 | for (i=0; i<vertexCount; i+=4) | ||
1632 | { | ||
1633 | p->Color.toOpenGLColor(&ColorBuffer[i]); | ||
1634 | ++p; | ||
1635 | } | ||
1636 | } | ||
1637 | break; | ||
1638 | case EVT_TANGENTS: | ||
1639 | { | ||
1640 | const S3DVertexTangents* p = static_cast<const S3DVertexTangents*>(vertices); | ||
1641 | for (i=0; i<vertexCount; i+=4) | ||
1642 | { | ||
1643 | p->Color.toOpenGLColor(&ColorBuffer[i]); | ||
1644 | ++p; | ||
1645 | } | ||
1646 | } | ||
1647 | break; | ||
1648 | } | ||
1649 | } | ||
1650 | |||
1651 | |||
1652 | void COpenGLDriver::renderArray(const void* indexList, u32 primitiveCount, | ||
1653 | scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) | ||
1654 | { | ||
1655 | GLenum indexSize=0; | ||
1656 | |||
1657 | switch (iType) | ||
1658 | { | ||
1659 | case EIT_16BIT: | ||
1660 | { | ||
1661 | indexSize=GL_UNSIGNED_SHORT; | ||
1662 | break; | ||
1663 | } | ||
1664 | case EIT_32BIT: | ||
1665 | { | ||
1666 | indexSize=GL_UNSIGNED_INT; | ||
1667 | break; | ||
1668 | } | ||
1669 | } | ||
1670 | |||
1671 | switch (pType) | ||
1672 | { | ||
1673 | case scene::EPT_POINTS: | ||
1674 | case scene::EPT_POINT_SPRITES: | ||
1675 | { | ||
1676 | #ifdef GL_ARB_point_sprite | ||
1677 | if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite]) | ||
1678 | glEnable(GL_POINT_SPRITE_ARB); | ||
1679 | #endif | ||
1680 | |||
1681 | // prepare size and attenuation (where supported) | ||
1682 | GLfloat particleSize=Material.Thickness; | ||
1683 | // if (AntiAlias) | ||
1684 | // particleSize=core::clamp(particleSize, DimSmoothedPoint[0], DimSmoothedPoint[1]); | ||
1685 | // else | ||
1686 | particleSize=core::clamp(particleSize, DimAliasedPoint[0], DimAliasedPoint[1]); | ||
1687 | #if defined(GL_VERSION_1_4) || defined(GL_ARB_point_parameters) || defined(GL_EXT_point_parameters) || defined(GL_SGIS_point_parameters) | ||
1688 | const float att[] = {1.0f, 1.0f, 0.0f}; | ||
1689 | #if defined(GL_VERSION_1_4) | ||
1690 | extGlPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, att); | ||
1691 | // extGlPointParameterf(GL_POINT_SIZE_MIN,1.f); | ||
1692 | extGlPointParameterf(GL_POINT_SIZE_MAX, particleSize); | ||
1693 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, 1.0f); | ||
1694 | #elif defined(GL_ARB_point_parameters) | ||
1695 | extGlPointParameterfv(GL_POINT_DISTANCE_ATTENUATION_ARB, att); | ||
1696 | // extGlPointParameterf(GL_POINT_SIZE_MIN_ARB,1.f); | ||
1697 | extGlPointParameterf(GL_POINT_SIZE_MAX_ARB, particleSize); | ||
1698 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 1.0f); | ||
1699 | #elif defined(GL_EXT_point_parameters) | ||
1700 | extGlPointParameterfv(GL_DISTANCE_ATTENUATION_EXT, att); | ||
1701 | // extGlPointParameterf(GL_POINT_SIZE_MIN_EXT,1.f); | ||
1702 | extGlPointParameterf(GL_POINT_SIZE_MAX_EXT, particleSize); | ||
1703 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_EXT, 1.0f); | ||
1704 | #elif defined(GL_SGIS_point_parameters) | ||
1705 | extGlPointParameterfv(GL_DISTANCE_ATTENUATION_SGIS, att); | ||
1706 | // extGlPointParameterf(GL_POINT_SIZE_MIN_SGIS,1.f); | ||
1707 | extGlPointParameterf(GL_POINT_SIZE_MAX_SGIS, particleSize); | ||
1708 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_SGIS, 1.0f); | ||
1709 | #endif | ||
1710 | #endif | ||
1711 | glPointSize(particleSize); | ||
1712 | |||
1713 | #ifdef GL_ARB_point_sprite | ||
1714 | if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite]) | ||
1715 | glTexEnvf(GL_POINT_SPRITE_ARB,GL_COORD_REPLACE, GL_TRUE); | ||
1716 | #endif | ||
1717 | glDrawArrays(GL_POINTS, 0, primitiveCount); | ||
1718 | #ifdef GL_ARB_point_sprite | ||
1719 | if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite]) | ||
1720 | { | ||
1721 | glDisable(GL_POINT_SPRITE_ARB); | ||
1722 | glTexEnvf(GL_POINT_SPRITE_ARB,GL_COORD_REPLACE, GL_FALSE); | ||
1723 | } | ||
1724 | #endif | ||
1725 | } | ||
1726 | break; | ||
1727 | case scene::EPT_LINE_STRIP: | ||
1728 | glDrawElements(GL_LINE_STRIP, primitiveCount+1, indexSize, indexList); | ||
1729 | break; | ||
1730 | case scene::EPT_LINE_LOOP: | ||
1731 | glDrawElements(GL_LINE_LOOP, primitiveCount, indexSize, indexList); | ||
1732 | break; | ||
1733 | case scene::EPT_LINES: | ||
1734 | glDrawElements(GL_LINES, primitiveCount*2, indexSize, indexList); | ||
1735 | break; | ||
1736 | case scene::EPT_TRIANGLE_STRIP: | ||
1737 | glDrawElements(GL_TRIANGLE_STRIP, primitiveCount+2, indexSize, indexList); | ||
1738 | break; | ||
1739 | case scene::EPT_TRIANGLE_FAN: | ||
1740 | glDrawElements(GL_TRIANGLE_FAN, primitiveCount+2, indexSize, indexList); | ||
1741 | break; | ||
1742 | case scene::EPT_TRIANGLES: | ||
1743 | glDrawElements(GL_TRIANGLES, primitiveCount*3, indexSize, indexList); | ||
1744 | break; | ||
1745 | case scene::EPT_QUAD_STRIP: | ||
1746 | glDrawElements(GL_QUAD_STRIP, primitiveCount*2+2, indexSize, indexList); | ||
1747 | break; | ||
1748 | case scene::EPT_QUADS: | ||
1749 | glDrawElements(GL_QUADS, primitiveCount*4, indexSize, indexList); | ||
1750 | break; | ||
1751 | case scene::EPT_POLYGON: | ||
1752 | glDrawElements(GL_POLYGON, primitiveCount, indexSize, indexList); | ||
1753 | break; | ||
1754 | } | ||
1755 | } | ||
1756 | |||
1757 | |||
1758 | //! draws a vertex primitive list in 2d | ||
1759 | void COpenGLDriver::draw2DVertexPrimitiveList(const void* vertices, u32 vertexCount, | ||
1760 | const void* indexList, u32 primitiveCount, | ||
1761 | E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) | ||
1762 | { | ||
1763 | if (!primitiveCount || !vertexCount) | ||
1764 | return; | ||
1765 | |||
1766 | if (!checkPrimitiveCount(primitiveCount)) | ||
1767 | return; | ||
1768 | |||
1769 | CNullDriver::draw2DVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType); | ||
1770 | |||
1771 | if (vertices && !FeatureAvailable[IRR_ARB_vertex_array_bgra] && !FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1772 | getColorBuffer(vertices, vertexCount, vType); | ||
1773 | |||
1774 | // draw everything | ||
1775 | this->setActiveTexture(0, Material.getTexture(0)); | ||
1776 | if (Material.MaterialType==EMT_ONETEXTURE_BLEND) | ||
1777 | { | ||
1778 | E_BLEND_FACTOR srcFact; | ||
1779 | E_BLEND_FACTOR dstFact; | ||
1780 | E_MODULATE_FUNC modulo; | ||
1781 | u32 alphaSource; | ||
1782 | unpack_textureBlendFunc ( srcFact, dstFact, modulo, alphaSource, Material.MaterialTypeParam); | ||
1783 | setRenderStates2DMode(alphaSource&video::EAS_VERTEX_COLOR, (Material.getTexture(0) != 0), (alphaSource&video::EAS_TEXTURE) != 0); | ||
1784 | } | ||
1785 | else | ||
1786 | setRenderStates2DMode(Material.MaterialType==EMT_TRANSPARENT_VERTEX_ALPHA, (Material.getTexture(0) != 0), Material.MaterialType==EMT_TRANSPARENT_ALPHA_CHANNEL); | ||
1787 | |||
1788 | if (MultiTextureExtension) | ||
1789 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1790 | |||
1791 | glEnableClientState(GL_COLOR_ARRAY); | ||
1792 | glEnableClientState(GL_VERTEX_ARRAY); | ||
1793 | if ((pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES)) | ||
1794 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1795 | |||
1796 | //due to missing defines in OSX headers, we have to be more specific with this check | ||
1797 | //#if defined(GL_ARB_vertex_array_bgra) || defined(GL_EXT_vertex_array_bgra) | ||
1798 | #ifdef GL_BGRA | ||
1799 | const GLint colorSize=(FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra])?GL_BGRA:4; | ||
1800 | #else | ||
1801 | const GLint colorSize=4; | ||
1802 | #endif | ||
1803 | if (vertices) | ||
1804 | { | ||
1805 | if (FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1806 | { | ||
1807 | switch (vType) | ||
1808 | { | ||
1809 | case EVT_STANDARD: | ||
1810 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Color); | ||
1811 | break; | ||
1812 | case EVT_2TCOORDS: | ||
1813 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Color); | ||
1814 | break; | ||
1815 | case EVT_TANGENTS: | ||
1816 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Color); | ||
1817 | break; | ||
1818 | } | ||
1819 | } | ||
1820 | else | ||
1821 | { | ||
1822 | // avoid passing broken pointer to OpenGL | ||
1823 | _IRR_DEBUG_BREAK_IF(ColorBuffer.size()==0); | ||
1824 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, 0, &ColorBuffer[0]); | ||
1825 | } | ||
1826 | } | ||
1827 | |||
1828 | switch (vType) | ||
1829 | { | ||
1830 | case EVT_STANDARD: | ||
1831 | if (vertices) | ||
1832 | { | ||
1833 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1834 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Pos); | ||
1835 | } | ||
1836 | else | ||
1837 | { | ||
1838 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), buffer_offset(24)); | ||
1839 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1840 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex), 0); | ||
1841 | } | ||
1842 | |||
1843 | if (MultiTextureExtension && CurrentTexture[1]) | ||
1844 | { | ||
1845 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1846 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1847 | if (vertices) | ||
1848 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1849 | else | ||
1850 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1851 | } | ||
1852 | break; | ||
1853 | case EVT_2TCOORDS: | ||
1854 | if (vertices) | ||
1855 | { | ||
1856 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords); | ||
1857 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Pos); | ||
1858 | } | ||
1859 | else | ||
1860 | { | ||
1861 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), buffer_offset(24)); | ||
1862 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(28)); | ||
1863 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(0)); | ||
1864 | } | ||
1865 | |||
1866 | if (MultiTextureExtension) | ||
1867 | { | ||
1868 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1869 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1870 | if (vertices) | ||
1871 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords2); | ||
1872 | else | ||
1873 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(36)); | ||
1874 | } | ||
1875 | break; | ||
1876 | case EVT_TANGENTS: | ||
1877 | if (vertices) | ||
1878 | { | ||
1879 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].TCoords); | ||
1880 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Pos); | ||
1881 | } | ||
1882 | else | ||
1883 | { | ||
1884 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), buffer_offset(24)); | ||
1885 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(28)); | ||
1886 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(0)); | ||
1887 | } | ||
1888 | |||
1889 | break; | ||
1890 | } | ||
1891 | |||
1892 | renderArray(indexList, primitiveCount, pType, iType); | ||
1893 | |||
1894 | if (MultiTextureExtension) | ||
1895 | { | ||
1896 | if ((vType!=EVT_STANDARD) || CurrentTexture[1]) | ||
1897 | { | ||
1898 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1899 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1900 | } | ||
1901 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1902 | } | ||
1903 | glDisableClientState(GL_COLOR_ARRAY); | ||
1904 | glDisableClientState(GL_VERTEX_ARRAY); | ||
1905 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1906 | } | ||
1907 | |||
1908 | |||
1909 | //! draws a set of 2d images, using a color and the alpha channel of the | ||
1910 | //! texture if desired. | ||
1911 | void COpenGLDriver::draw2DImageBatch(const video::ITexture* texture, | ||
1912 | const core::array<core::position2d<s32> >& positions, | ||
1913 | const core::array<core::rect<s32> >& sourceRects, | ||
1914 | const core::rect<s32>* clipRect, | ||
1915 | SColor color, | ||
1916 | bool useAlphaChannelOfTexture) | ||
1917 | { | ||
1918 | if (!texture) | ||
1919 | return; | ||
1920 | |||
1921 | const u32 drawCount = core::min_<u32>(positions.size(), sourceRects.size()); | ||
1922 | |||
1923 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
1924 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
1925 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
1926 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
1927 | |||
1928 | disableTextures(1); | ||
1929 | if (!setActiveTexture(0, texture)) | ||
1930 | return; | ||
1931 | setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture); | ||
1932 | |||
1933 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
1934 | glBegin(GL_QUADS); | ||
1935 | |||
1936 | for (u32 i=0; i<drawCount; ++i) | ||
1937 | { | ||
1938 | if (!sourceRects[i].isValid()) | ||
1939 | continue; | ||
1940 | |||
1941 | core::position2d<s32> targetPos(positions[i]); | ||
1942 | core::position2d<s32> sourcePos(sourceRects[i].UpperLeftCorner); | ||
1943 | // This needs to be signed as it may go negative. | ||
1944 | core::dimension2d<s32> sourceSize(sourceRects[i].getSize()); | ||
1945 | if (clipRect) | ||
1946 | { | ||
1947 | if (targetPos.X < clipRect->UpperLeftCorner.X) | ||
1948 | { | ||
1949 | sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X; | ||
1950 | if (sourceSize.Width <= 0) | ||
1951 | continue; | ||
1952 | |||
1953 | sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X; | ||
1954 | targetPos.X = clipRect->UpperLeftCorner.X; | ||
1955 | } | ||
1956 | |||
1957 | if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X) | ||
1958 | { | ||
1959 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X; | ||
1960 | if (sourceSize.Width <= 0) | ||
1961 | continue; | ||
1962 | } | ||
1963 | |||
1964 | if (targetPos.Y < clipRect->UpperLeftCorner.Y) | ||
1965 | { | ||
1966 | sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
1967 | if (sourceSize.Height <= 0) | ||
1968 | continue; | ||
1969 | |||
1970 | sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
1971 | targetPos.Y = clipRect->UpperLeftCorner.Y; | ||
1972 | } | ||
1973 | |||
1974 | if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y) | ||
1975 | { | ||
1976 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y; | ||
1977 | if (sourceSize.Height <= 0) | ||
1978 | continue; | ||
1979 | } | ||
1980 | } | ||
1981 | |||
1982 | // clip these coordinates | ||
1983 | |||
1984 | if (targetPos.X<0) | ||
1985 | { | ||
1986 | sourceSize.Width += targetPos.X; | ||
1987 | if (sourceSize.Width <= 0) | ||
1988 | continue; | ||
1989 | |||
1990 | sourcePos.X -= targetPos.X; | ||
1991 | targetPos.X = 0; | ||
1992 | } | ||
1993 | |||
1994 | if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width) | ||
1995 | { | ||
1996 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width; | ||
1997 | if (sourceSize.Width <= 0) | ||
1998 | continue; | ||
1999 | } | ||
2000 | |||
2001 | if (targetPos.Y<0) | ||
2002 | { | ||
2003 | sourceSize.Height += targetPos.Y; | ||
2004 | if (sourceSize.Height <= 0) | ||
2005 | continue; | ||
2006 | |||
2007 | sourcePos.Y -= targetPos.Y; | ||
2008 | targetPos.Y = 0; | ||
2009 | } | ||
2010 | |||
2011 | if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height) | ||
2012 | { | ||
2013 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height; | ||
2014 | if (sourceSize.Height <= 0) | ||
2015 | continue; | ||
2016 | } | ||
2017 | |||
2018 | // ok, we've clipped everything. | ||
2019 | // now draw it. | ||
2020 | |||
2021 | const core::rect<f32> tcoords( | ||
2022 | sourcePos.X * invW, | ||
2023 | sourcePos.Y * invH, | ||
2024 | (sourcePos.X + sourceSize.Width) * invW, | ||
2025 | (sourcePos.Y + sourceSize.Height) * invH); | ||
2026 | |||
2027 | const core::rect<s32> poss(targetPos, sourceSize); | ||
2028 | |||
2029 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2030 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2031 | |||
2032 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2033 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2034 | |||
2035 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2036 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2037 | |||
2038 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2039 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2040 | } | ||
2041 | glEnd(); | ||
2042 | } | ||
2043 | |||
2044 | |||
2045 | //! draws a 2d image, using a color and the alpha channel of the texture if | ||
2046 | //! desired. The image is drawn at pos, clipped against clipRect (if != 0). | ||
2047 | //! Only the subtexture defined by sourceRect is used. | ||
2048 | void COpenGLDriver::draw2DImage(const video::ITexture* texture, | ||
2049 | const core::position2d<s32>& pos, | ||
2050 | const core::rect<s32>& sourceRect, | ||
2051 | const core::rect<s32>* clipRect, SColor color, | ||
2052 | bool useAlphaChannelOfTexture) | ||
2053 | { | ||
2054 | if (!texture) | ||
2055 | return; | ||
2056 | |||
2057 | if (!sourceRect.isValid()) | ||
2058 | return; | ||
2059 | |||
2060 | core::position2d<s32> targetPos(pos); | ||
2061 | core::position2d<s32> sourcePos(sourceRect.UpperLeftCorner); | ||
2062 | // This needs to be signed as it may go negative. | ||
2063 | core::dimension2d<s32> sourceSize(sourceRect.getSize()); | ||
2064 | if (clipRect) | ||
2065 | { | ||
2066 | if (targetPos.X < clipRect->UpperLeftCorner.X) | ||
2067 | { | ||
2068 | sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X; | ||
2069 | if (sourceSize.Width <= 0) | ||
2070 | return; | ||
2071 | |||
2072 | sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X; | ||
2073 | targetPos.X = clipRect->UpperLeftCorner.X; | ||
2074 | } | ||
2075 | |||
2076 | if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X) | ||
2077 | { | ||
2078 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X; | ||
2079 | if (sourceSize.Width <= 0) | ||
2080 | return; | ||
2081 | } | ||
2082 | |||
2083 | if (targetPos.Y < clipRect->UpperLeftCorner.Y) | ||
2084 | { | ||
2085 | sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
2086 | if (sourceSize.Height <= 0) | ||
2087 | return; | ||
2088 | |||
2089 | sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
2090 | targetPos.Y = clipRect->UpperLeftCorner.Y; | ||
2091 | } | ||
2092 | |||
2093 | if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y) | ||
2094 | { | ||
2095 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y; | ||
2096 | if (sourceSize.Height <= 0) | ||
2097 | return; | ||
2098 | } | ||
2099 | } | ||
2100 | |||
2101 | // clip these coordinates | ||
2102 | |||
2103 | if (targetPos.X<0) | ||
2104 | { | ||
2105 | sourceSize.Width += targetPos.X; | ||
2106 | if (sourceSize.Width <= 0) | ||
2107 | return; | ||
2108 | |||
2109 | sourcePos.X -= targetPos.X; | ||
2110 | targetPos.X = 0; | ||
2111 | } | ||
2112 | |||
2113 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2114 | |||
2115 | if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width) | ||
2116 | { | ||
2117 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width; | ||
2118 | if (sourceSize.Width <= 0) | ||
2119 | return; | ||
2120 | } | ||
2121 | |||
2122 | if (targetPos.Y<0) | ||
2123 | { | ||
2124 | sourceSize.Height += targetPos.Y; | ||
2125 | if (sourceSize.Height <= 0) | ||
2126 | return; | ||
2127 | |||
2128 | sourcePos.Y -= targetPos.Y; | ||
2129 | targetPos.Y = 0; | ||
2130 | } | ||
2131 | |||
2132 | if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height) | ||
2133 | { | ||
2134 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height; | ||
2135 | if (sourceSize.Height <= 0) | ||
2136 | return; | ||
2137 | } | ||
2138 | |||
2139 | // ok, we've clipped everything. | ||
2140 | // now draw it. | ||
2141 | |||
2142 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
2143 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
2144 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
2145 | const core::rect<f32> tcoords( | ||
2146 | sourcePos.X * invW, | ||
2147 | sourcePos.Y * invH, | ||
2148 | (sourcePos.X + sourceSize.Width) * invW, | ||
2149 | (sourcePos.Y + sourceSize.Height) * invH); | ||
2150 | |||
2151 | const core::rect<s32> poss(targetPos, sourceSize); | ||
2152 | |||
2153 | disableTextures(1); | ||
2154 | if (!setActiveTexture(0, texture)) | ||
2155 | return; | ||
2156 | setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture); | ||
2157 | |||
2158 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2159 | glBegin(GL_QUADS); | ||
2160 | |||
2161 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2162 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2163 | |||
2164 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2165 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2166 | |||
2167 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2168 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2169 | |||
2170 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2171 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2172 | |||
2173 | glEnd(); | ||
2174 | } | ||
2175 | |||
2176 | |||
2177 | //! The same, but with a four element array of colors, one for each vertex | ||
2178 | void COpenGLDriver::draw2DImage(const video::ITexture* texture, const core::rect<s32>& destRect, | ||
2179 | const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect, | ||
2180 | const video::SColor* const colors, bool useAlphaChannelOfTexture) | ||
2181 | { | ||
2182 | if (!texture) | ||
2183 | return; | ||
2184 | |||
2185 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
2186 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
2187 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
2188 | const core::rect<f32> tcoords( | ||
2189 | sourceRect.UpperLeftCorner.X * invW, | ||
2190 | sourceRect.UpperLeftCorner.Y * invH, | ||
2191 | sourceRect.LowerRightCorner.X * invW, | ||
2192 | sourceRect.LowerRightCorner.Y *invH); | ||
2193 | |||
2194 | const video::SColor temp[4] = | ||
2195 | { | ||
2196 | 0xFFFFFFFF, | ||
2197 | 0xFFFFFFFF, | ||
2198 | 0xFFFFFFFF, | ||
2199 | 0xFFFFFFFF | ||
2200 | }; | ||
2201 | |||
2202 | const video::SColor* const useColor = colors ? colors : temp; | ||
2203 | |||
2204 | disableTextures(1); | ||
2205 | setActiveTexture(0, texture); | ||
2206 | setRenderStates2DMode(useColor[0].getAlpha()<255 || useColor[1].getAlpha()<255 || | ||
2207 | useColor[2].getAlpha()<255 || useColor[3].getAlpha()<255, | ||
2208 | true, useAlphaChannelOfTexture); | ||
2209 | |||
2210 | if (clipRect) | ||
2211 | { | ||
2212 | if (!clipRect->isValid()) | ||
2213 | return; | ||
2214 | |||
2215 | glEnable(GL_SCISSOR_TEST); | ||
2216 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2217 | glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height-clipRect->LowerRightCorner.Y, | ||
2218 | clipRect->getWidth(), clipRect->getHeight()); | ||
2219 | } | ||
2220 | |||
2221 | glBegin(GL_QUADS); | ||
2222 | |||
2223 | glColor4ub(useColor[0].getRed(), useColor[0].getGreen(), useColor[0].getBlue(), useColor[0].getAlpha()); | ||
2224 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2225 | glVertex2f(GLfloat(destRect.UpperLeftCorner.X), GLfloat(destRect.UpperLeftCorner.Y)); | ||
2226 | |||
2227 | glColor4ub(useColor[3].getRed(), useColor[3].getGreen(), useColor[3].getBlue(), useColor[3].getAlpha()); | ||
2228 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2229 | glVertex2f(GLfloat(destRect.LowerRightCorner.X), GLfloat(destRect.UpperLeftCorner.Y)); | ||
2230 | |||
2231 | glColor4ub(useColor[2].getRed(), useColor[2].getGreen(), useColor[2].getBlue(), useColor[2].getAlpha()); | ||
2232 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2233 | glVertex2f(GLfloat(destRect.LowerRightCorner.X), GLfloat(destRect.LowerRightCorner.Y)); | ||
2234 | |||
2235 | glColor4ub(useColor[1].getRed(), useColor[1].getGreen(), useColor[1].getBlue(), useColor[1].getAlpha()); | ||
2236 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2237 | glVertex2f(GLfloat(destRect.UpperLeftCorner.X), GLfloat(destRect.LowerRightCorner.Y)); | ||
2238 | |||
2239 | glEnd(); | ||
2240 | |||
2241 | if (clipRect) | ||
2242 | glDisable(GL_SCISSOR_TEST); | ||
2243 | } | ||
2244 | |||
2245 | |||
2246 | //! draws a set of 2d images, using a color and the alpha channel of the | ||
2247 | //! texture if desired. The images are drawn beginning at pos and concatenated | ||
2248 | //! in one line. All drawings are clipped against clipRect (if != 0). | ||
2249 | //! The subtextures are defined by the array of sourceRects and are chosen | ||
2250 | //! by the indices given. | ||
2251 | void COpenGLDriver::draw2DImage(const video::ITexture* texture, | ||
2252 | const core::position2d<s32>& pos, | ||
2253 | const core::array<core::rect<s32> >& sourceRects, | ||
2254 | const core::array<s32>& indices, | ||
2255 | const core::rect<s32>* clipRect, SColor color, | ||
2256 | bool useAlphaChannelOfTexture) | ||
2257 | { | ||
2258 | if (!texture) | ||
2259 | return; | ||
2260 | |||
2261 | disableTextures(1); | ||
2262 | if (!setActiveTexture(0, texture)) | ||
2263 | return; | ||
2264 | setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture); | ||
2265 | |||
2266 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2267 | if (clipRect) | ||
2268 | { | ||
2269 | if (!clipRect->isValid()) | ||
2270 | return; | ||
2271 | |||
2272 | glEnable(GL_SCISSOR_TEST); | ||
2273 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2274 | glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height-clipRect->LowerRightCorner.Y, | ||
2275 | clipRect->getWidth(),clipRect->getHeight()); | ||
2276 | } | ||
2277 | |||
2278 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
2279 | core::position2d<s32> targetPos(pos); | ||
2280 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
2281 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
2282 | |||
2283 | for (u32 i=0; i<indices.size(); ++i) | ||
2284 | { | ||
2285 | const s32 currentIndex = indices[i]; | ||
2286 | if (!sourceRects[currentIndex].isValid()) | ||
2287 | break; | ||
2288 | |||
2289 | const core::rect<f32> tcoords( | ||
2290 | sourceRects[currentIndex].UpperLeftCorner.X * invW, | ||
2291 | sourceRects[currentIndex].UpperLeftCorner.Y * invH, | ||
2292 | sourceRects[currentIndex].LowerRightCorner.X * invW, | ||
2293 | sourceRects[currentIndex].LowerRightCorner.Y * invH); | ||
2294 | |||
2295 | const core::rect<s32> poss(targetPos, sourceRects[currentIndex].getSize()); | ||
2296 | |||
2297 | glBegin(GL_QUADS); | ||
2298 | |||
2299 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2300 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2301 | |||
2302 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2303 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2304 | |||
2305 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2306 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2307 | |||
2308 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2309 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2310 | |||
2311 | glEnd(); | ||
2312 | targetPos.X += sourceRects[currentIndex].getWidth(); | ||
2313 | } | ||
2314 | if (clipRect) | ||
2315 | glDisable(GL_SCISSOR_TEST); | ||
2316 | } | ||
2317 | |||
2318 | |||
2319 | //! draw a 2d rectangle | ||
2320 | void COpenGLDriver::draw2DRectangle(SColor color, const core::rect<s32>& position, | ||
2321 | const core::rect<s32>* clip) | ||
2322 | { | ||
2323 | disableTextures(); | ||
2324 | setRenderStates2DMode(color.getAlpha() < 255, false, false); | ||
2325 | |||
2326 | core::rect<s32> pos = position; | ||
2327 | |||
2328 | if (clip) | ||
2329 | pos.clipAgainst(*clip); | ||
2330 | |||
2331 | if (!pos.isValid()) | ||
2332 | return; | ||
2333 | |||
2334 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2335 | glRectf(GLfloat(pos.UpperLeftCorner.X), GLfloat(pos.UpperLeftCorner.Y), | ||
2336 | GLfloat(pos.LowerRightCorner.X), GLfloat(pos.LowerRightCorner.Y)); | ||
2337 | } | ||
2338 | |||
2339 | |||
2340 | //! draw an 2d rectangle | ||
2341 | void COpenGLDriver::draw2DRectangle(const core::rect<s32>& position, | ||
2342 | SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown, | ||
2343 | const core::rect<s32>* clip) | ||
2344 | { | ||
2345 | core::rect<s32> pos = position; | ||
2346 | |||
2347 | if (clip) | ||
2348 | pos.clipAgainst(*clip); | ||
2349 | |||
2350 | if (!pos.isValid()) | ||
2351 | return; | ||
2352 | |||
2353 | disableTextures(); | ||
2354 | |||
2355 | setRenderStates2DMode(colorLeftUp.getAlpha() < 255 || | ||
2356 | colorRightUp.getAlpha() < 255 || | ||
2357 | colorLeftDown.getAlpha() < 255 || | ||
2358 | colorRightDown.getAlpha() < 255, false, false); | ||
2359 | |||
2360 | glBegin(GL_QUADS); | ||
2361 | glColor4ub(colorLeftUp.getRed(), colorLeftUp.getGreen(), | ||
2362 | colorLeftUp.getBlue(), colorLeftUp.getAlpha()); | ||
2363 | glVertex2f(GLfloat(pos.UpperLeftCorner.X), GLfloat(pos.UpperLeftCorner.Y)); | ||
2364 | |||
2365 | glColor4ub(colorRightUp.getRed(), colorRightUp.getGreen(), | ||
2366 | colorRightUp.getBlue(), colorRightUp.getAlpha()); | ||
2367 | glVertex2f(GLfloat(pos.LowerRightCorner.X), GLfloat(pos.UpperLeftCorner.Y)); | ||
2368 | |||
2369 | glColor4ub(colorRightDown.getRed(), colorRightDown.getGreen(), | ||
2370 | colorRightDown.getBlue(), colorRightDown.getAlpha()); | ||
2371 | glVertex2f(GLfloat(pos.LowerRightCorner.X), GLfloat(pos.LowerRightCorner.Y)); | ||
2372 | |||
2373 | glColor4ub(colorLeftDown.getRed(), colorLeftDown.getGreen(), | ||
2374 | colorLeftDown.getBlue(), colorLeftDown.getAlpha()); | ||
2375 | glVertex2f(GLfloat(pos.UpperLeftCorner.X), GLfloat(pos.LowerRightCorner.Y)); | ||
2376 | |||
2377 | glEnd(); | ||
2378 | } | ||
2379 | |||
2380 | |||
2381 | //! Draws a 2d line. | ||
2382 | void COpenGLDriver::draw2DLine(const core::position2d<s32>& start, | ||
2383 | const core::position2d<s32>& end, SColor color) | ||
2384 | { | ||
2385 | if (start==end) | ||
2386 | drawPixel(start.X, start.Y, color); | ||
2387 | else | ||
2388 | { | ||
2389 | disableTextures(); | ||
2390 | setRenderStates2DMode(color.getAlpha() < 255, false, false); | ||
2391 | |||
2392 | glBegin(GL_LINES); | ||
2393 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2394 | GLfloat x=(GLfloat)start.X; | ||
2395 | GLfloat y=(GLfloat)start.Y; | ||
2396 | if (x>end.X) | ||
2397 | x += 0.5f; | ||
2398 | if (y>end.Y) | ||
2399 | y += 0.5f; | ||
2400 | glVertex2f(GLfloat(x), GLfloat(y)); | ||
2401 | x=(GLfloat)end.X; | ||
2402 | y=(GLfloat)end.Y; | ||
2403 | if (x>start.X) | ||
2404 | x += 0.5f; | ||
2405 | if (y>start.Y) | ||
2406 | y += 0.5f; | ||
2407 | glVertex2f(GLfloat(x), GLfloat(y)); | ||
2408 | glEnd(); | ||
2409 | } | ||
2410 | } | ||
2411 | |||
2412 | //! Draws a pixel | ||
2413 | void COpenGLDriver::drawPixel(u32 x, u32 y, const SColor &color) | ||
2414 | { | ||
2415 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2416 | if (x > (u32)renderTargetSize.Width || y > (u32)renderTargetSize.Height) | ||
2417 | return; | ||
2418 | |||
2419 | disableTextures(); | ||
2420 | setRenderStates2DMode(color.getAlpha() < 255, false, false); | ||
2421 | |||
2422 | glBegin(GL_POINTS); | ||
2423 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2424 | glVertex2i(x, y); | ||
2425 | glEnd(); | ||
2426 | } | ||
2427 | |||
2428 | bool COpenGLDriver::setActiveTexture(u32 stage, const video::ITexture* texture) | ||
2429 | { | ||
2430 | if (stage >= MaxSupportedTextures) | ||
2431 | return false; | ||
2432 | |||
2433 | if (CurrentTexture[stage]==texture) | ||
2434 | return true; | ||
2435 | |||
2436 | if (MultiTextureExtension) | ||
2437 | extGlActiveTexture(GL_TEXTURE0_ARB + stage); | ||
2438 | |||
2439 | CurrentTexture.set(stage,texture); | ||
2440 | |||
2441 | if (!texture) | ||
2442 | { | ||
2443 | glDisable(GL_TEXTURE_2D); | ||
2444 | return true; | ||
2445 | } | ||
2446 | else | ||
2447 | { | ||
2448 | if (texture->getDriverType() != EDT_OPENGL) | ||
2449 | { | ||
2450 | glDisable(GL_TEXTURE_2D); | ||
2451 | CurrentTexture.set(stage, 0); | ||
2452 | os::Printer::log("Fatal Error: Tried to set a texture not owned by this driver.", ELL_ERROR); | ||
2453 | return false; | ||
2454 | } | ||
2455 | |||
2456 | glEnable(GL_TEXTURE_2D); | ||
2457 | glBindTexture(GL_TEXTURE_2D, | ||
2458 | static_cast<const COpenGLTexture*>(texture)->getOpenGLTextureName()); | ||
2459 | } | ||
2460 | return true; | ||
2461 | } | ||
2462 | |||
2463 | |||
2464 | //! disables all textures beginning with the optional fromStage parameter. Otherwise all texture stages are disabled. | ||
2465 | //! Returns whether disabling was successful or not. | ||
2466 | bool COpenGLDriver::disableTextures(u32 fromStage) | ||
2467 | { | ||
2468 | bool result=true; | ||
2469 | for (u32 i=fromStage; i<MaxSupportedTextures; ++i) | ||
2470 | result &= setActiveTexture(i, 0); | ||
2471 | return result; | ||
2472 | } | ||
2473 | |||
2474 | |||
2475 | //! creates a matrix in supplied GLfloat array to pass to OpenGL | ||
2476 | inline void COpenGLDriver::getGLMatrix(GLfloat gl_matrix[16], const core::matrix4& m) | ||
2477 | { | ||
2478 | memcpy(gl_matrix, m.pointer(), 16 * sizeof(f32)); | ||
2479 | } | ||
2480 | |||
2481 | |||
2482 | //! creates a opengltexturematrix from a D3D style texture matrix | ||
2483 | inline void COpenGLDriver::getGLTextureMatrix(GLfloat *o, const core::matrix4& m) | ||
2484 | { | ||
2485 | o[0] = m[0]; | ||
2486 | o[1] = m[1]; | ||
2487 | o[2] = 0.f; | ||
2488 | o[3] = 0.f; | ||
2489 | |||
2490 | o[4] = m[4]; | ||
2491 | o[5] = m[5]; | ||
2492 | o[6] = 0.f; | ||
2493 | o[7] = 0.f; | ||
2494 | |||
2495 | o[8] = 0.f; | ||
2496 | o[9] = 0.f; | ||
2497 | o[10] = 1.f; | ||
2498 | o[11] = 0.f; | ||
2499 | |||
2500 | o[12] = m[8]; | ||
2501 | o[13] = m[9]; | ||
2502 | o[14] = 0.f; | ||
2503 | o[15] = 1.f; | ||
2504 | } | ||
2505 | |||
2506 | |||
2507 | //! returns a device dependent texture from a software surface (IImage) | ||
2508 | video::ITexture* COpenGLDriver::createDeviceDependentTexture(IImage* surface, const io::path& name, void* mipmapData) | ||
2509 | { | ||
2510 | return new COpenGLTexture(surface, name, mipmapData, this); | ||
2511 | } | ||
2512 | |||
2513 | |||
2514 | //! Sets a material. All 3d drawing functions draw geometry now using this material. | ||
2515 | void COpenGLDriver::setMaterial(const SMaterial& material) | ||
2516 | { | ||
2517 | Material = material; | ||
2518 | OverrideMaterial.apply(Material); | ||
2519 | |||
2520 | for (s32 i = MaxTextureUnits-1; i>= 0; --i) | ||
2521 | { | ||
2522 | setActiveTexture(i, material.getTexture(i)); | ||
2523 | setTransform ((E_TRANSFORMATION_STATE) (ETS_TEXTURE_0 + i), | ||
2524 | Material.getTextureMatrix(i)); | ||
2525 | } | ||
2526 | } | ||
2527 | |||
2528 | |||
2529 | //! prints error if an error happened. | ||
2530 | bool COpenGLDriver::testGLError() | ||
2531 | { | ||
2532 | #ifdef _DEBUG | ||
2533 | GLenum g = glGetError(); | ||
2534 | switch (g) | ||
2535 | { | ||
2536 | case GL_NO_ERROR: | ||
2537 | return false; | ||
2538 | case GL_INVALID_ENUM: | ||
2539 | os::Printer::log("GL_INVALID_ENUM", ELL_ERROR); break; | ||
2540 | case GL_INVALID_VALUE: | ||
2541 | os::Printer::log("GL_INVALID_VALUE", ELL_ERROR); break; | ||
2542 | case GL_INVALID_OPERATION: | ||
2543 | os::Printer::log("GL_INVALID_OPERATION", ELL_ERROR); break; | ||
2544 | case GL_STACK_OVERFLOW: | ||
2545 | os::Printer::log("GL_STACK_OVERFLOW", ELL_ERROR); break; | ||
2546 | case GL_STACK_UNDERFLOW: | ||
2547 | os::Printer::log("GL_STACK_UNDERFLOW", ELL_ERROR); break; | ||
2548 | case GL_OUT_OF_MEMORY: | ||
2549 | os::Printer::log("GL_OUT_OF_MEMORY", ELL_ERROR); break; | ||
2550 | case GL_TABLE_TOO_LARGE: | ||
2551 | os::Printer::log("GL_TABLE_TOO_LARGE", ELL_ERROR); break; | ||
2552 | #if defined(GL_EXT_framebuffer_object) | ||
2553 | case GL_INVALID_FRAMEBUFFER_OPERATION_EXT: | ||
2554 | os::Printer::log("GL_INVALID_FRAMEBUFFER_OPERATION", ELL_ERROR); break; | ||
2555 | #endif | ||
2556 | }; | ||
2557 | // _IRR_DEBUG_BREAK_IF(true); | ||
2558 | return true; | ||
2559 | #else | ||
2560 | return false; | ||
2561 | #endif | ||
2562 | } | ||
2563 | |||
2564 | |||
2565 | //! sets the needed renderstates | ||
2566 | void COpenGLDriver::setRenderStates3DMode() | ||
2567 | { | ||
2568 | if (CurrentRenderMode != ERM_3D) | ||
2569 | { | ||
2570 | // Reset Texture Stages | ||
2571 | glDisable(GL_BLEND); | ||
2572 | glDisable(GL_ALPHA_TEST); | ||
2573 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | ||
2574 | |||
2575 | // switch back the matrices | ||
2576 | glMatrixMode(GL_MODELVIEW); | ||
2577 | glLoadMatrixf((Matrices[ETS_VIEW] * Matrices[ETS_WORLD]).pointer()); | ||
2578 | |||
2579 | glMatrixMode(GL_PROJECTION); | ||
2580 | glLoadMatrixf(Matrices[ETS_PROJECTION].pointer()); | ||
2581 | |||
2582 | ResetRenderStates = true; | ||
2583 | #ifdef GL_EXT_clip_volume_hint | ||
2584 | if (FeatureAvailable[IRR_EXT_clip_volume_hint]) | ||
2585 | glHint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT, GL_NICEST); | ||
2586 | #endif | ||
2587 | } | ||
2588 | |||
2589 | if (ResetRenderStates || LastMaterial != Material) | ||
2590 | { | ||
2591 | // unset old material | ||
2592 | |||
2593 | if (LastMaterial.MaterialType != Material.MaterialType && | ||
2594 | static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size()) | ||
2595 | MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); | ||
2596 | |||
2597 | // set new material. | ||
2598 | if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size()) | ||
2599 | MaterialRenderers[Material.MaterialType].Renderer->OnSetMaterial( | ||
2600 | Material, LastMaterial, ResetRenderStates, this); | ||
2601 | |||
2602 | LastMaterial = Material; | ||
2603 | ResetRenderStates = false; | ||
2604 | } | ||
2605 | |||
2606 | if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size()) | ||
2607 | MaterialRenderers[Material.MaterialType].Renderer->OnRender(this, video::EVT_STANDARD); | ||
2608 | |||
2609 | CurrentRenderMode = ERM_3D; | ||
2610 | } | ||
2611 | |||
2612 | |||
2613 | //! Get native wrap mode value | ||
2614 | GLint COpenGLDriver::getTextureWrapMode(const u8 clamp) | ||
2615 | { | ||
2616 | GLint mode=GL_REPEAT; | ||
2617 | switch (clamp) | ||
2618 | { | ||
2619 | case ETC_REPEAT: | ||
2620 | mode=GL_REPEAT; | ||
2621 | break; | ||
2622 | case ETC_CLAMP: | ||
2623 | mode=GL_CLAMP; | ||
2624 | break; | ||
2625 | case ETC_CLAMP_TO_EDGE: | ||
2626 | #ifdef GL_VERSION_1_2 | ||
2627 | if (Version>101) | ||
2628 | mode=GL_CLAMP_TO_EDGE; | ||
2629 | else | ||
2630 | #endif | ||
2631 | #ifdef GL_SGIS_texture_edge_clamp | ||
2632 | if (FeatureAvailable[IRR_SGIS_texture_edge_clamp]) | ||
2633 | mode=GL_CLAMP_TO_EDGE_SGIS; | ||
2634 | else | ||
2635 | #endif | ||
2636 | // fallback | ||
2637 | mode=GL_CLAMP; | ||
2638 | break; | ||
2639 | case ETC_CLAMP_TO_BORDER: | ||
2640 | #ifdef GL_VERSION_1_3 | ||
2641 | if (Version>102) | ||
2642 | mode=GL_CLAMP_TO_BORDER; | ||
2643 | else | ||
2644 | #endif | ||
2645 | #ifdef GL_ARB_texture_border_clamp | ||
2646 | if (FeatureAvailable[IRR_ARB_texture_border_clamp]) | ||
2647 | mode=GL_CLAMP_TO_BORDER_ARB; | ||
2648 | else | ||
2649 | #endif | ||
2650 | #ifdef GL_SGIS_texture_border_clamp | ||
2651 | if (FeatureAvailable[IRR_SGIS_texture_border_clamp]) | ||
2652 | mode=GL_CLAMP_TO_BORDER_SGIS; | ||
2653 | else | ||
2654 | #endif | ||
2655 | // fallback | ||
2656 | mode=GL_CLAMP; | ||
2657 | break; | ||
2658 | case ETC_MIRROR: | ||
2659 | #ifdef GL_VERSION_1_4 | ||
2660 | if (Version>103) | ||
2661 | mode=GL_MIRRORED_REPEAT; | ||
2662 | else | ||
2663 | #endif | ||
2664 | #ifdef GL_ARB_texture_border_clamp | ||
2665 | if (FeatureAvailable[IRR_ARB_texture_mirrored_repeat]) | ||
2666 | mode=GL_MIRRORED_REPEAT_ARB; | ||
2667 | else | ||
2668 | #endif | ||
2669 | #ifdef GL_IBM_texture_mirrored_repeat | ||
2670 | if (FeatureAvailable[IRR_IBM_texture_mirrored_repeat]) | ||
2671 | mode=GL_MIRRORED_REPEAT_IBM; | ||
2672 | else | ||
2673 | #endif | ||
2674 | mode=GL_REPEAT; | ||
2675 | break; | ||
2676 | case ETC_MIRROR_CLAMP: | ||
2677 | #ifdef GL_EXT_texture_mirror_clamp | ||
2678 | if (FeatureAvailable[IRR_EXT_texture_mirror_clamp]) | ||
2679 | mode=GL_MIRROR_CLAMP_EXT; | ||
2680 | else | ||
2681 | #endif | ||
2682 | #if defined(GL_ATI_texture_mirror_once) | ||
2683 | if (FeatureAvailable[IRR_ATI_texture_mirror_once]) | ||
2684 | mode=GL_MIRROR_CLAMP_ATI; | ||
2685 | else | ||
2686 | #endif | ||
2687 | mode=GL_CLAMP; | ||
2688 | break; | ||
2689 | case ETC_MIRROR_CLAMP_TO_EDGE: | ||
2690 | #ifdef GL_EXT_texture_mirror_clamp | ||
2691 | if (FeatureAvailable[IRR_EXT_texture_mirror_clamp]) | ||
2692 | mode=GL_MIRROR_CLAMP_TO_EDGE_EXT; | ||
2693 | else | ||
2694 | #endif | ||
2695 | #if defined(GL_ATI_texture_mirror_once) | ||
2696 | if (FeatureAvailable[IRR_ATI_texture_mirror_once]) | ||
2697 | mode=GL_MIRROR_CLAMP_TO_EDGE_ATI; | ||
2698 | else | ||
2699 | #endif | ||
2700 | mode=GL_CLAMP; | ||
2701 | break; | ||
2702 | case ETC_MIRROR_CLAMP_TO_BORDER: | ||
2703 | #ifdef GL_EXT_texture_mirror_clamp | ||
2704 | if (FeatureAvailable[IRR_EXT_texture_mirror_clamp]) | ||
2705 | mode=GL_MIRROR_CLAMP_TO_BORDER_EXT; | ||
2706 | else | ||
2707 | #endif | ||
2708 | mode=GL_CLAMP; | ||
2709 | break; | ||
2710 | } | ||
2711 | return mode; | ||
2712 | } | ||
2713 | |||
2714 | |||
2715 | void COpenGLDriver::setWrapMode(const SMaterial& material) | ||
2716 | { | ||
2717 | // texture address mode | ||
2718 | // Has to be checked always because it depends on the textures | ||
2719 | for (u32 u=0; u<MaxTextureUnits; ++u) | ||
2720 | { | ||
2721 | if (!CurrentTexture[u]) | ||
2722 | continue; | ||
2723 | if (MultiTextureExtension) | ||
2724 | extGlActiveTexture(GL_TEXTURE0_ARB + u); | ||
2725 | else if (u>0) | ||
2726 | break; // stop loop | ||
2727 | |||
2728 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, getTextureWrapMode(material.TextureLayer[u].TextureWrapU)); | ||
2729 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, getTextureWrapMode(material.TextureLayer[u].TextureWrapV)); | ||
2730 | } | ||
2731 | } | ||
2732 | |||
2733 | |||
2734 | //! Can be called by an IMaterialRenderer to make its work easier. | ||
2735 | void COpenGLDriver::setBasicRenderStates(const SMaterial& material, const SMaterial& lastmaterial, | ||
2736 | bool resetAllRenderStates) | ||
2737 | { | ||
2738 | if (resetAllRenderStates || | ||
2739 | lastmaterial.ColorMaterial != material.ColorMaterial) | ||
2740 | { | ||
2741 | switch (material.ColorMaterial) | ||
2742 | { | ||
2743 | case ECM_NONE: | ||
2744 | glDisable(GL_COLOR_MATERIAL); | ||
2745 | break; | ||
2746 | case ECM_DIFFUSE: | ||
2747 | glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE); | ||
2748 | break; | ||
2749 | case ECM_AMBIENT: | ||
2750 | glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT); | ||
2751 | break; | ||
2752 | case ECM_EMISSIVE: | ||
2753 | glColorMaterial(GL_FRONT_AND_BACK, GL_EMISSION); | ||
2754 | break; | ||
2755 | case ECM_SPECULAR: | ||
2756 | glColorMaterial(GL_FRONT_AND_BACK, GL_SPECULAR); | ||
2757 | break; | ||
2758 | case ECM_DIFFUSE_AND_AMBIENT: | ||
2759 | glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); | ||
2760 | break; | ||
2761 | } | ||
2762 | if (material.ColorMaterial != ECM_NONE) | ||
2763 | glEnable(GL_COLOR_MATERIAL); | ||
2764 | } | ||
2765 | |||
2766 | if (resetAllRenderStates || | ||
2767 | lastmaterial.AmbientColor != material.AmbientColor || | ||
2768 | lastmaterial.DiffuseColor != material.DiffuseColor || | ||
2769 | lastmaterial.EmissiveColor != material.EmissiveColor || | ||
2770 | lastmaterial.ColorMaterial != material.ColorMaterial) | ||
2771 | { | ||
2772 | GLfloat color[4]; | ||
2773 | |||
2774 | const f32 inv = 1.0f / 255.0f; | ||
2775 | |||
2776 | if ((material.ColorMaterial != video::ECM_AMBIENT) && | ||
2777 | (material.ColorMaterial != video::ECM_DIFFUSE_AND_AMBIENT)) | ||
2778 | { | ||
2779 | color[0] = material.AmbientColor.getRed() * inv; | ||
2780 | color[1] = material.AmbientColor.getGreen() * inv; | ||
2781 | color[2] = material.AmbientColor.getBlue() * inv; | ||
2782 | color[3] = material.AmbientColor.getAlpha() * inv; | ||
2783 | glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color); | ||
2784 | } | ||
2785 | |||
2786 | if ((material.ColorMaterial != video::ECM_DIFFUSE) && | ||
2787 | (material.ColorMaterial != video::ECM_DIFFUSE_AND_AMBIENT)) | ||
2788 | { | ||
2789 | color[0] = material.DiffuseColor.getRed() * inv; | ||
2790 | color[1] = material.DiffuseColor.getGreen() * inv; | ||
2791 | color[2] = material.DiffuseColor.getBlue() * inv; | ||
2792 | color[3] = material.DiffuseColor.getAlpha() * inv; | ||
2793 | glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color); | ||
2794 | } | ||
2795 | |||
2796 | if (material.ColorMaterial != video::ECM_EMISSIVE) | ||
2797 | { | ||
2798 | color[0] = material.EmissiveColor.getRed() * inv; | ||
2799 | color[1] = material.EmissiveColor.getGreen() * inv; | ||
2800 | color[2] = material.EmissiveColor.getBlue() * inv; | ||
2801 | color[3] = material.EmissiveColor.getAlpha() * inv; | ||
2802 | glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, color); | ||
2803 | } | ||
2804 | } | ||
2805 | |||
2806 | if (resetAllRenderStates || | ||
2807 | lastmaterial.SpecularColor != material.SpecularColor || | ||
2808 | lastmaterial.Shininess != material.Shininess || | ||
2809 | lastmaterial.ColorMaterial != material.ColorMaterial) | ||
2810 | { | ||
2811 | GLfloat color[4]={0.f,0.f,0.f,1.f}; | ||
2812 | const f32 inv = 1.0f / 255.0f; | ||
2813 | |||
2814 | glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, material.Shininess); | ||
2815 | // disable Specular colors if no shininess is set | ||
2816 | if ((material.Shininess != 0.0f) && | ||
2817 | (material.ColorMaterial != video::ECM_SPECULAR)) | ||
2818 | { | ||
2819 | #ifdef GL_EXT_separate_specular_color | ||
2820 | if (FeatureAvailable[IRR_EXT_separate_specular_color]) | ||
2821 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR); | ||
2822 | #endif | ||
2823 | color[0] = material.SpecularColor.getRed() * inv; | ||
2824 | color[1] = material.SpecularColor.getGreen() * inv; | ||
2825 | color[2] = material.SpecularColor.getBlue() * inv; | ||
2826 | color[3] = material.SpecularColor.getAlpha() * inv; | ||
2827 | } | ||
2828 | #ifdef GL_EXT_separate_specular_color | ||
2829 | else if (FeatureAvailable[IRR_EXT_separate_specular_color]) | ||
2830 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR); | ||
2831 | #endif | ||
2832 | glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color); | ||
2833 | } | ||
2834 | |||
2835 | // Texture filter | ||
2836 | // Has to be checked always because it depends on the textures | ||
2837 | // Filtering has to be set for each texture layer | ||
2838 | for (u32 i=0; i<MaxTextureUnits; ++i) | ||
2839 | { | ||
2840 | if (!CurrentTexture[i]) | ||
2841 | continue; | ||
2842 | if (MultiTextureExtension) | ||
2843 | extGlActiveTexture(GL_TEXTURE0_ARB + i); | ||
2844 | else if (i>0) | ||
2845 | break; | ||
2846 | |||
2847 | #ifdef GL_EXT_texture_lod_bias | ||
2848 | if (FeatureAvailable[IRR_EXT_texture_lod_bias]) | ||
2849 | { | ||
2850 | if (material.TextureLayer[i].LODBias) | ||
2851 | { | ||
2852 | const float tmp = core::clamp(material.TextureLayer[i].LODBias * 0.125f, -MaxTextureLODBias, MaxTextureLODBias); | ||
2853 | glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, tmp); | ||
2854 | } | ||
2855 | else | ||
2856 | glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.f); | ||
2857 | } | ||
2858 | #endif | ||
2859 | |||
2860 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, | ||
2861 | (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); | ||
2862 | |||
2863 | if (material.UseMipMaps && CurrentTexture[i]->hasMipMaps()) | ||
2864 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, | ||
2865 | material.TextureLayer[i].TrilinearFilter ? GL_LINEAR_MIPMAP_LINEAR : | ||
2866 | material.TextureLayer[i].BilinearFilter ? GL_LINEAR_MIPMAP_NEAREST : | ||
2867 | GL_NEAREST_MIPMAP_NEAREST); | ||
2868 | else | ||
2869 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, | ||
2870 | (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); | ||
2871 | |||
2872 | #ifdef GL_EXT_texture_filter_anisotropic | ||
2873 | if (FeatureAvailable[IRR_EXT_texture_filter_anisotropic]) | ||
2874 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, | ||
2875 | material.TextureLayer[i].AnisotropicFilter>1 ? core::min_(MaxAnisotropy, material.TextureLayer[i].AnisotropicFilter) : 1); | ||
2876 | #endif | ||
2877 | } | ||
2878 | |||
2879 | // fillmode | ||
2880 | if (resetAllRenderStates || (lastmaterial.Wireframe != material.Wireframe) || (lastmaterial.PointCloud != material.PointCloud)) | ||
2881 | glPolygonMode(GL_FRONT_AND_BACK, material.Wireframe ? GL_LINE : material.PointCloud? GL_POINT : GL_FILL); | ||
2882 | |||
2883 | // shademode | ||
2884 | if (resetAllRenderStates || (lastmaterial.GouraudShading != material.GouraudShading)) | ||
2885 | { | ||
2886 | if (material.GouraudShading) | ||
2887 | glShadeModel(GL_SMOOTH); | ||
2888 | else | ||
2889 | glShadeModel(GL_FLAT); | ||
2890 | } | ||
2891 | |||
2892 | // lighting | ||
2893 | if (resetAllRenderStates || (lastmaterial.Lighting != material.Lighting)) | ||
2894 | { | ||
2895 | if (material.Lighting) | ||
2896 | glEnable(GL_LIGHTING); | ||
2897 | else | ||
2898 | glDisable(GL_LIGHTING); | ||
2899 | } | ||
2900 | |||
2901 | // zbuffer | ||
2902 | if (resetAllRenderStates || lastmaterial.ZBuffer != material.ZBuffer) | ||
2903 | { | ||
2904 | switch (material.ZBuffer) | ||
2905 | { | ||
2906 | case ECFN_NEVER: | ||
2907 | glDisable(GL_DEPTH_TEST); | ||
2908 | break; | ||
2909 | case ECFN_LESSEQUAL: | ||
2910 | glEnable(GL_DEPTH_TEST); | ||
2911 | glDepthFunc(GL_LEQUAL); | ||
2912 | break; | ||
2913 | case ECFN_EQUAL: | ||
2914 | glEnable(GL_DEPTH_TEST); | ||
2915 | glDepthFunc(GL_EQUAL); | ||
2916 | break; | ||
2917 | case ECFN_LESS: | ||
2918 | glEnable(GL_DEPTH_TEST); | ||
2919 | glDepthFunc(GL_LESS); | ||
2920 | break; | ||
2921 | case ECFN_NOTEQUAL: | ||
2922 | glEnable(GL_DEPTH_TEST); | ||
2923 | glDepthFunc(GL_NOTEQUAL); | ||
2924 | break; | ||
2925 | case ECFN_GREATEREQUAL: | ||
2926 | glEnable(GL_DEPTH_TEST); | ||
2927 | glDepthFunc(GL_GEQUAL); | ||
2928 | break; | ||
2929 | case ECFN_GREATER: | ||
2930 | glEnable(GL_DEPTH_TEST); | ||
2931 | glDepthFunc(GL_GREATER); | ||
2932 | break; | ||
2933 | case ECFN_ALWAYS: | ||
2934 | glEnable(GL_DEPTH_TEST); | ||
2935 | glDepthFunc(GL_ALWAYS); | ||
2936 | break; | ||
2937 | } | ||
2938 | } | ||
2939 | |||
2940 | // zwrite | ||
2941 | // if (resetAllRenderStates || lastmaterial.ZWriteEnable != material.ZWriteEnable) | ||
2942 | { | ||
2943 | if (material.ZWriteEnable && (AllowZWriteOnTransparent || !material.isTransparent())) | ||
2944 | { | ||
2945 | glDepthMask(GL_TRUE); | ||
2946 | } | ||
2947 | else | ||
2948 | glDepthMask(GL_FALSE); | ||
2949 | } | ||
2950 | |||
2951 | // back face culling | ||
2952 | if (resetAllRenderStates || (lastmaterial.FrontfaceCulling != material.FrontfaceCulling) || (lastmaterial.BackfaceCulling != material.BackfaceCulling)) | ||
2953 | { | ||
2954 | if ((material.FrontfaceCulling) && (material.BackfaceCulling)) | ||
2955 | { | ||
2956 | glCullFace(GL_FRONT_AND_BACK); | ||
2957 | glEnable(GL_CULL_FACE); | ||
2958 | } | ||
2959 | else | ||
2960 | if (material.BackfaceCulling) | ||
2961 | { | ||
2962 | glCullFace(GL_BACK); | ||
2963 | glEnable(GL_CULL_FACE); | ||
2964 | } | ||
2965 | else | ||
2966 | if (material.FrontfaceCulling) | ||
2967 | { | ||
2968 | glCullFace(GL_FRONT); | ||
2969 | glEnable(GL_CULL_FACE); | ||
2970 | } | ||
2971 | else | ||
2972 | glDisable(GL_CULL_FACE); | ||
2973 | } | ||
2974 | |||
2975 | // fog | ||
2976 | if (resetAllRenderStates || lastmaterial.FogEnable != material.FogEnable) | ||
2977 | { | ||
2978 | if (material.FogEnable) | ||
2979 | glEnable(GL_FOG); | ||
2980 | else | ||
2981 | glDisable(GL_FOG); | ||
2982 | } | ||
2983 | |||
2984 | // normalization | ||
2985 | if (resetAllRenderStates || lastmaterial.NormalizeNormals != material.NormalizeNormals) | ||
2986 | { | ||
2987 | if (material.NormalizeNormals) | ||
2988 | glEnable(GL_NORMALIZE); | ||
2989 | else | ||
2990 | glDisable(GL_NORMALIZE); | ||
2991 | } | ||
2992 | |||
2993 | // Color Mask | ||
2994 | if (resetAllRenderStates || lastmaterial.ColorMask != material.ColorMask) | ||
2995 | { | ||
2996 | glColorMask( | ||
2997 | (material.ColorMask & ECP_RED)?GL_TRUE:GL_FALSE, | ||
2998 | (material.ColorMask & ECP_GREEN)?GL_TRUE:GL_FALSE, | ||
2999 | (material.ColorMask & ECP_BLUE)?GL_TRUE:GL_FALSE, | ||
3000 | (material.ColorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE); | ||
3001 | } | ||
3002 | |||
3003 | if (queryFeature(EVDF_BLEND_OPERATIONS) && | ||
3004 | (resetAllRenderStates|| lastmaterial.BlendOperation != material.BlendOperation)) | ||
3005 | { | ||
3006 | if (material.BlendOperation==EBO_NONE) | ||
3007 | glDisable(GL_BLEND); | ||
3008 | else | ||
3009 | { | ||
3010 | glEnable(GL_BLEND); | ||
3011 | #if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op) || defined(GL_VERSION_1_2) | ||
3012 | switch (material.BlendOperation) | ||
3013 | { | ||
3014 | case EBO_SUBTRACT: | ||
3015 | #if defined(GL_EXT_blend_subtract) | ||
3016 | if (FeatureAvailable[IRR_EXT_blend_subtract] || (Version>=120)) | ||
3017 | extGlBlendEquation(GL_FUNC_SUBTRACT_EXT); | ||
3018 | #elif defined(GL_VERSION_1_2) | ||
3019 | if (Version>=120) | ||
3020 | extGlBlendEquation(GL_FUNC_SUBTRACT); | ||
3021 | #endif | ||
3022 | break; | ||
3023 | case EBO_REVSUBTRACT: | ||
3024 | #if defined(GL_EXT_blend_subtract) | ||
3025 | if (FeatureAvailable[IRR_EXT_blend_subtract] || (Version>=120)) | ||
3026 | extGlBlendEquation(GL_FUNC_REVERSE_SUBTRACT_EXT); | ||
3027 | #elif defined(GL_VERSION_1_2) | ||
3028 | if (Version>=120) | ||
3029 | extGlBlendEquation(GL_FUNC_REVERSE_SUBTRACT); | ||
3030 | #endif | ||
3031 | break; | ||
3032 | case EBO_MIN: | ||
3033 | #if defined(GL_EXT_blend_minmax) | ||
3034 | if (FeatureAvailable[IRR_EXT_blend_minmax] || (Version>=120)) | ||
3035 | extGlBlendEquation(GL_MIN_EXT); | ||
3036 | #elif defined(GL_VERSION_1_2) | ||
3037 | if (Version>=120) | ||
3038 | extGlBlendEquation(GL_MIN); | ||
3039 | #endif | ||
3040 | break; | ||
3041 | case EBO_MAX: | ||
3042 | #if defined(GL_EXT_blend_minmax) | ||
3043 | if (FeatureAvailable[IRR_EXT_blend_minmax] || (Version>=120)) | ||
3044 | extGlBlendEquation(GL_MAX_EXT); | ||
3045 | #elif defined(GL_VERSION_1_2) | ||
3046 | if (Version>=120) | ||
3047 | extGlBlendEquation(GL_MAX); | ||
3048 | #endif | ||
3049 | break; | ||
3050 | case EBO_MIN_FACTOR: | ||
3051 | #if defined(GL_AMD_blend_minmax_factor) | ||
3052 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
3053 | extGlBlendEquation(GL_FACTOR_MIN_AMD); | ||
3054 | #endif | ||
3055 | // fallback in case of missing extension | ||
3056 | #if defined(GL_VERSION_1_2) | ||
3057 | #if defined(GL_AMD_blend_minmax_factor) | ||
3058 | else | ||
3059 | #endif | ||
3060 | if (Version>=120) | ||
3061 | extGlBlendEquation(GL_MIN); | ||
3062 | #endif | ||
3063 | break; | ||
3064 | case EBO_MAX_FACTOR: | ||
3065 | #if defined(GL_AMD_blend_minmax_factor) | ||
3066 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
3067 | extGlBlendEquation(GL_FACTOR_MAX_AMD); | ||
3068 | #endif | ||
3069 | // fallback in case of missing extension | ||
3070 | #if defined(GL_VERSION_1_2) | ||
3071 | #if defined(GL_AMD_blend_minmax_factor) | ||
3072 | else | ||
3073 | #endif | ||
3074 | if (Version>=120) | ||
3075 | extGlBlendEquation(GL_MAX); | ||
3076 | #endif | ||
3077 | break; | ||
3078 | case EBO_MIN_ALPHA: | ||
3079 | #if defined(GL_SGIX_blend_alpha_minmax) | ||
3080 | if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax]) | ||
3081 | extGlBlendEquation(GL_ALPHA_MIN_SGIX); | ||
3082 | // fallback in case of missing extension | ||
3083 | else | ||
3084 | if (FeatureAvailable[IRR_EXT_blend_minmax]) | ||
3085 | extGlBlendEquation(GL_MIN_EXT); | ||
3086 | #endif | ||
3087 | break; | ||
3088 | case EBO_MAX_ALPHA: | ||
3089 | #if defined(GL_SGIX_blend_alpha_minmax) | ||
3090 | if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax]) | ||
3091 | extGlBlendEquation(GL_ALPHA_MAX_SGIX); | ||
3092 | // fallback in case of missing extension | ||
3093 | else | ||
3094 | if (FeatureAvailable[IRR_EXT_blend_minmax]) | ||
3095 | extGlBlendEquation(GL_MAX_EXT); | ||
3096 | #endif | ||
3097 | break; | ||
3098 | default: | ||
3099 | #if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op) | ||
3100 | extGlBlendEquation(GL_FUNC_ADD_EXT); | ||
3101 | #elif defined(GL_VERSION_1_2) | ||
3102 | extGlBlendEquation(GL_FUNC_ADD); | ||
3103 | #endif | ||
3104 | break; | ||
3105 | } | ||
3106 | #endif | ||
3107 | } | ||
3108 | } | ||
3109 | |||
3110 | // Polygon Offset | ||
3111 | if (queryFeature(EVDF_POLYGON_OFFSET) && (resetAllRenderStates || | ||
3112 | lastmaterial.PolygonOffsetDirection != material.PolygonOffsetDirection || | ||
3113 | lastmaterial.PolygonOffsetFactor != material.PolygonOffsetFactor)) | ||
3114 | { | ||
3115 | glDisable(lastmaterial.Wireframe?GL_POLYGON_OFFSET_LINE:lastmaterial.PointCloud?GL_POLYGON_OFFSET_POINT:GL_POLYGON_OFFSET_FILL); | ||
3116 | if (material.PolygonOffsetFactor) | ||
3117 | { | ||
3118 | glDisable(material.Wireframe?GL_POLYGON_OFFSET_LINE:material.PointCloud?GL_POLYGON_OFFSET_POINT:GL_POLYGON_OFFSET_FILL); | ||
3119 | glEnable(material.Wireframe?GL_POLYGON_OFFSET_LINE:material.PointCloud?GL_POLYGON_OFFSET_POINT:GL_POLYGON_OFFSET_FILL); | ||
3120 | } | ||
3121 | if (material.PolygonOffsetDirection==EPO_BACK) | ||
3122 | glPolygonOffset(1.0f, (GLfloat)material.PolygonOffsetFactor); | ||
3123 | else | ||
3124 | glPolygonOffset(-1.0f, (GLfloat)-material.PolygonOffsetFactor); | ||
3125 | } | ||
3126 | |||
3127 | // thickness | ||
3128 | if (resetAllRenderStates || lastmaterial.Thickness != material.Thickness) | ||
3129 | { | ||
3130 | if (AntiAlias) | ||
3131 | { | ||
3132 | // glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimSmoothedPoint[0], DimSmoothedPoint[1])); | ||
3133 | // we don't use point smoothing | ||
3134 | glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedPoint[0], DimAliasedPoint[1])); | ||
3135 | glLineWidth(core::clamp(static_cast<GLfloat>(material.Thickness), DimSmoothedLine[0], DimSmoothedLine[1])); | ||
3136 | } | ||
3137 | else | ||
3138 | { | ||
3139 | glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedPoint[0], DimAliasedPoint[1])); | ||
3140 | glLineWidth(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedLine[0], DimAliasedLine[1])); | ||
3141 | } | ||
3142 | } | ||
3143 | |||
3144 | // Anti aliasing | ||
3145 | if (resetAllRenderStates || lastmaterial.AntiAliasing != material.AntiAliasing) | ||
3146 | { | ||
3147 | if (FeatureAvailable[IRR_ARB_multisample]) | ||
3148 | { | ||
3149 | if (material.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) | ||
3150 | glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB); | ||
3151 | else if (lastmaterial.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) | ||
3152 | glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB); | ||
3153 | |||
3154 | if ((AntiAlias >= 2) && (material.AntiAliasing & (EAAM_SIMPLE|EAAM_QUALITY))) | ||
3155 | { | ||
3156 | glEnable(GL_MULTISAMPLE_ARB); | ||
3157 | #ifdef GL_NV_multisample_filter_hint | ||
3158 | if (FeatureAvailable[IRR_NV_multisample_filter_hint]) | ||
3159 | { | ||
3160 | if ((material.AntiAliasing & EAAM_QUALITY) == EAAM_QUALITY) | ||
3161 | glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST); | ||
3162 | else | ||
3163 | glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST); | ||
3164 | } | ||
3165 | #endif | ||
3166 | } | ||
3167 | else | ||
3168 | glDisable(GL_MULTISAMPLE_ARB); | ||
3169 | } | ||
3170 | if ((material.AntiAliasing & EAAM_LINE_SMOOTH) != (lastmaterial.AntiAliasing & EAAM_LINE_SMOOTH)) | ||
3171 | { | ||
3172 | if (material.AntiAliasing & EAAM_LINE_SMOOTH) | ||
3173 | glEnable(GL_LINE_SMOOTH); | ||
3174 | else if (lastmaterial.AntiAliasing & EAAM_LINE_SMOOTH) | ||
3175 | glDisable(GL_LINE_SMOOTH); | ||
3176 | } | ||
3177 | if ((material.AntiAliasing & EAAM_POINT_SMOOTH) != (lastmaterial.AntiAliasing & EAAM_POINT_SMOOTH)) | ||
3178 | { | ||
3179 | if (material.AntiAliasing & EAAM_POINT_SMOOTH) | ||
3180 | // often in software, and thus very slow | ||
3181 | glEnable(GL_POINT_SMOOTH); | ||
3182 | else if (lastmaterial.AntiAliasing & EAAM_POINT_SMOOTH) | ||
3183 | glDisable(GL_POINT_SMOOTH); | ||
3184 | } | ||
3185 | } | ||
3186 | |||
3187 | setWrapMode(material); | ||
3188 | |||
3189 | // be sure to leave in texture stage 0 | ||
3190 | if (MultiTextureExtension) | ||
3191 | extGlActiveTexture(GL_TEXTURE0_ARB); | ||
3192 | } | ||
3193 | |||
3194 | |||
3195 | //! Enable the 2d override material | ||
3196 | void COpenGLDriver::enableMaterial2D(bool enable) | ||
3197 | { | ||
3198 | if (!enable) | ||
3199 | CurrentRenderMode = ERM_NONE; | ||
3200 | CNullDriver::enableMaterial2D(enable); | ||
3201 | } | ||
3202 | |||
3203 | |||
3204 | //! sets the needed renderstates | ||
3205 | void COpenGLDriver::setRenderStates2DMode(bool alpha, bool texture, bool alphaChannel) | ||
3206 | { | ||
3207 | if (CurrentRenderMode != ERM_2D || Transformation3DChanged) | ||
3208 | { | ||
3209 | // unset last 3d material | ||
3210 | if (CurrentRenderMode == ERM_3D) | ||
3211 | { | ||
3212 | if (static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size()) | ||
3213 | MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); | ||
3214 | } | ||
3215 | if (Transformation3DChanged) | ||
3216 | { | ||
3217 | glMatrixMode(GL_PROJECTION); | ||
3218 | |||
3219 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
3220 | core::matrix4 m(core::matrix4::EM4CONST_NOTHING); | ||
3221 | m.buildProjectionMatrixOrthoLH(f32(renderTargetSize.Width), f32(-(s32)(renderTargetSize.Height)), -1.0f, 1.0f); | ||
3222 | m.setTranslation(core::vector3df(-1,1,0)); | ||
3223 | glLoadMatrixf(m.pointer()); | ||
3224 | |||
3225 | glMatrixMode(GL_MODELVIEW); | ||
3226 | glLoadIdentity(); | ||
3227 | glTranslatef(0.375f, 0.375f, 0.0f); | ||
3228 | |||
3229 | // Make sure we set first texture matrix | ||
3230 | if (MultiTextureExtension) | ||
3231 | extGlActiveTexture(GL_TEXTURE0_ARB); | ||
3232 | |||
3233 | Transformation3DChanged = false; | ||
3234 | } | ||
3235 | if (!OverrideMaterial2DEnabled) | ||
3236 | { | ||
3237 | setBasicRenderStates(InitMaterial2D, LastMaterial, true); | ||
3238 | LastMaterial = InitMaterial2D; | ||
3239 | } | ||
3240 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | ||
3241 | #ifdef GL_EXT_clip_volume_hint | ||
3242 | if (FeatureAvailable[IRR_EXT_clip_volume_hint]) | ||
3243 | glHint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT, GL_FASTEST); | ||
3244 | #endif | ||
3245 | |||
3246 | } | ||
3247 | if (OverrideMaterial2DEnabled) | ||
3248 | { | ||
3249 | OverrideMaterial2D.Lighting=false; | ||
3250 | setBasicRenderStates(OverrideMaterial2D, LastMaterial, false); | ||
3251 | LastMaterial = OverrideMaterial2D; | ||
3252 | } | ||
3253 | |||
3254 | // no alphaChannel without texture | ||
3255 | alphaChannel &= texture; | ||
3256 | |||
3257 | if (alphaChannel || alpha) | ||
3258 | { | ||
3259 | glEnable(GL_BLEND); | ||
3260 | glEnable(GL_ALPHA_TEST); | ||
3261 | glAlphaFunc(GL_GREATER, 0.f); | ||
3262 | } | ||
3263 | else | ||
3264 | { | ||
3265 | glDisable(GL_BLEND); | ||
3266 | glDisable(GL_ALPHA_TEST); | ||
3267 | } | ||
3268 | |||
3269 | if (texture) | ||
3270 | { | ||
3271 | if (!OverrideMaterial2DEnabled) | ||
3272 | { | ||
3273 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); | ||
3274 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); | ||
3275 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); | ||
3276 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); | ||
3277 | } | ||
3278 | Material.setTexture(0, const_cast<video::ITexture*>(CurrentTexture[0])); | ||
3279 | setTransform(ETS_TEXTURE_0, core::IdentityMatrix); | ||
3280 | // Due to the transformation change, the previous line would call a reset each frame | ||
3281 | // but we can safely reset the variable as it was false before | ||
3282 | Transformation3DChanged=false; | ||
3283 | |||
3284 | if (alphaChannel) | ||
3285 | { | ||
3286 | // if alpha and alpha texture just modulate, otherwise use only the alpha channel | ||
3287 | if (alpha) | ||
3288 | { | ||
3289 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3290 | } | ||
3291 | else | ||
3292 | { | ||
3293 | #if defined(GL_ARB_texture_env_combine) || defined(GL_EXT_texture_env_combine) | ||
3294 | if (FeatureAvailable[IRR_ARB_texture_env_combine]||FeatureAvailable[IRR_EXT_texture_env_combine]) | ||
3295 | { | ||
3296 | #ifdef GL_ARB_texture_env_combine | ||
3297 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB); | ||
3298 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE); | ||
3299 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE); | ||
3300 | // rgb always modulates | ||
3301 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE); | ||
3302 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE); | ||
3303 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB); | ||
3304 | #else | ||
3305 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT); | ||
3306 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE); | ||
3307 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE); | ||
3308 | // rgb always modulates | ||
3309 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE); | ||
3310 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE); | ||
3311 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT); | ||
3312 | #endif | ||
3313 | } | ||
3314 | else | ||
3315 | #endif | ||
3316 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3317 | } | ||
3318 | } | ||
3319 | else | ||
3320 | { | ||
3321 | if (alpha) | ||
3322 | { | ||
3323 | #if defined(GL_ARB_texture_env_combine) || defined(GL_EXT_texture_env_combine) | ||
3324 | if (FeatureAvailable[IRR_ARB_texture_env_combine]||FeatureAvailable[IRR_EXT_texture_env_combine]) | ||
3325 | { | ||
3326 | #ifdef GL_ARB_texture_env_combine | ||
3327 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB); | ||
3328 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE); | ||
3329 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB); | ||
3330 | // rgb always modulates | ||
3331 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE); | ||
3332 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE); | ||
3333 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB); | ||
3334 | #else | ||
3335 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT); | ||
3336 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE); | ||
3337 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT); | ||
3338 | // rgb always modulates | ||
3339 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE); | ||
3340 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE); | ||
3341 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT); | ||
3342 | #endif | ||
3343 | } | ||
3344 | else | ||
3345 | #endif | ||
3346 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3347 | } | ||
3348 | else | ||
3349 | { | ||
3350 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3351 | } | ||
3352 | } | ||
3353 | } | ||
3354 | |||
3355 | CurrentRenderMode = ERM_2D; | ||
3356 | } | ||
3357 | |||
3358 | |||
3359 | //! \return Returns the name of the video driver. | ||
3360 | const wchar_t* COpenGLDriver::getName() const | ||
3361 | { | ||
3362 | return Name.c_str(); | ||
3363 | } | ||
3364 | |||
3365 | |||
3366 | //! deletes all dynamic lights there are | ||
3367 | void COpenGLDriver::deleteAllDynamicLights() | ||
3368 | { | ||
3369 | for (s32 i=0; i<MaxLights; ++i) | ||
3370 | glDisable(GL_LIGHT0 + i); | ||
3371 | |||
3372 | RequestedLights.clear(); | ||
3373 | |||
3374 | CNullDriver::deleteAllDynamicLights(); | ||
3375 | } | ||
3376 | |||
3377 | |||
3378 | //! adds a dynamic light | ||
3379 | s32 COpenGLDriver::addDynamicLight(const SLight& light) | ||
3380 | { | ||
3381 | CNullDriver::addDynamicLight(light); | ||
3382 | |||
3383 | RequestedLights.push_back(RequestedLight(light)); | ||
3384 | |||
3385 | u32 newLightIndex = RequestedLights.size() - 1; | ||
3386 | |||
3387 | // Try and assign a hardware light just now, but don't worry if I can't | ||
3388 | assignHardwareLight(newLightIndex); | ||
3389 | |||
3390 | return (s32)newLightIndex; | ||
3391 | } | ||
3392 | |||
3393 | |||
3394 | void COpenGLDriver::assignHardwareLight(u32 lightIndex) | ||
3395 | { | ||
3396 | setTransform(ETS_WORLD, core::matrix4()); | ||
3397 | |||
3398 | s32 lidx; | ||
3399 | for (lidx=GL_LIGHT0; lidx < GL_LIGHT0 + MaxLights; ++lidx) | ||
3400 | { | ||
3401 | if(!glIsEnabled(lidx)) | ||
3402 | { | ||
3403 | RequestedLights[lightIndex].HardwareLightIndex = lidx; | ||
3404 | break; | ||
3405 | } | ||
3406 | } | ||
3407 | |||
3408 | if(lidx == GL_LIGHT0 + MaxLights) // There's no room for it just now | ||
3409 | return; | ||
3410 | |||
3411 | GLfloat data[4]; | ||
3412 | const SLight & light = RequestedLights[lightIndex].LightData; | ||
3413 | |||
3414 | switch (light.Type) | ||
3415 | { | ||
3416 | case video::ELT_SPOT: | ||
3417 | data[0] = light.Direction.X; | ||
3418 | data[1] = light.Direction.Y; | ||
3419 | data[2] = light.Direction.Z; | ||
3420 | data[3] = 0.0f; | ||
3421 | glLightfv(lidx, GL_SPOT_DIRECTION, data); | ||
3422 | |||
3423 | // set position | ||
3424 | data[0] = light.Position.X; | ||
3425 | data[1] = light.Position.Y; | ||
3426 | data[2] = light.Position.Z; | ||
3427 | data[3] = 1.0f; // 1.0f for positional light | ||
3428 | glLightfv(lidx, GL_POSITION, data); | ||
3429 | |||
3430 | glLightf(lidx, GL_SPOT_EXPONENT, light.Falloff); | ||
3431 | glLightf(lidx, GL_SPOT_CUTOFF, light.OuterCone); | ||
3432 | break; | ||
3433 | case video::ELT_POINT: | ||
3434 | // set position | ||
3435 | data[0] = light.Position.X; | ||
3436 | data[1] = light.Position.Y; | ||
3437 | data[2] = light.Position.Z; | ||
3438 | data[3] = 1.0f; // 1.0f for positional light | ||
3439 | glLightfv(lidx, GL_POSITION, data); | ||
3440 | |||
3441 | glLightf(lidx, GL_SPOT_EXPONENT, 0.0f); | ||
3442 | glLightf(lidx, GL_SPOT_CUTOFF, 180.0f); | ||
3443 | break; | ||
3444 | case video::ELT_DIRECTIONAL: | ||
3445 | // set direction | ||
3446 | data[0] = -light.Direction.X; | ||
3447 | data[1] = -light.Direction.Y; | ||
3448 | data[2] = -light.Direction.Z; | ||
3449 | data[3] = 0.0f; // 0.0f for directional light | ||
3450 | glLightfv(lidx, GL_POSITION, data); | ||
3451 | |||
3452 | glLightf(lidx, GL_SPOT_EXPONENT, 0.0f); | ||
3453 | glLightf(lidx, GL_SPOT_CUTOFF, 180.0f); | ||
3454 | break; | ||
3455 | default: | ||
3456 | break; | ||
3457 | } | ||
3458 | |||
3459 | // set diffuse color | ||
3460 | data[0] = light.DiffuseColor.r; | ||
3461 | data[1] = light.DiffuseColor.g; | ||
3462 | data[2] = light.DiffuseColor.b; | ||
3463 | data[3] = light.DiffuseColor.a; | ||
3464 | glLightfv(lidx, GL_DIFFUSE, data); | ||
3465 | |||
3466 | // set specular color | ||
3467 | data[0] = light.SpecularColor.r; | ||
3468 | data[1] = light.SpecularColor.g; | ||
3469 | data[2] = light.SpecularColor.b; | ||
3470 | data[3] = light.SpecularColor.a; | ||
3471 | glLightfv(lidx, GL_SPECULAR, data); | ||
3472 | |||
3473 | // set ambient color | ||
3474 | data[0] = light.AmbientColor.r; | ||
3475 | data[1] = light.AmbientColor.g; | ||
3476 | data[2] = light.AmbientColor.b; | ||
3477 | data[3] = light.AmbientColor.a; | ||
3478 | glLightfv(lidx, GL_AMBIENT, data); | ||
3479 | |||
3480 | // 1.0f / (constant + linear * d + quadratic*(d*d); | ||
3481 | |||
3482 | // set attenuation | ||
3483 | glLightf(lidx, GL_CONSTANT_ATTENUATION, light.Attenuation.X); | ||
3484 | glLightf(lidx, GL_LINEAR_ATTENUATION, light.Attenuation.Y); | ||
3485 | glLightf(lidx, GL_QUADRATIC_ATTENUATION, light.Attenuation.Z); | ||
3486 | |||
3487 | glEnable(lidx); | ||
3488 | } | ||
3489 | |||
3490 | |||
3491 | //! Turns a dynamic light on or off | ||
3492 | //! \param lightIndex: the index returned by addDynamicLight | ||
3493 | //! \param turnOn: true to turn the light on, false to turn it off | ||
3494 | void COpenGLDriver::turnLightOn(s32 lightIndex, bool turnOn) | ||
3495 | { | ||
3496 | if(lightIndex < 0 || lightIndex >= (s32)RequestedLights.size()) | ||
3497 | return; | ||
3498 | |||
3499 | RequestedLight & requestedLight = RequestedLights[lightIndex]; | ||
3500 | |||
3501 | requestedLight.DesireToBeOn = turnOn; | ||
3502 | |||
3503 | if(turnOn) | ||
3504 | { | ||
3505 | if(-1 == requestedLight.HardwareLightIndex) | ||
3506 | assignHardwareLight(lightIndex); | ||
3507 | } | ||
3508 | else | ||
3509 | { | ||
3510 | if(-1 != requestedLight.HardwareLightIndex) | ||
3511 | { | ||
3512 | // It's currently assigned, so free up the hardware light | ||
3513 | glDisable(requestedLight.HardwareLightIndex); | ||
3514 | requestedLight.HardwareLightIndex = -1; | ||
3515 | |||
3516 | // Now let the first light that's waiting on a free hardware light grab it | ||
3517 | for(u32 requested = 0; requested < RequestedLights.size(); ++requested) | ||
3518 | if(RequestedLights[requested].DesireToBeOn | ||
3519 | && | ||
3520 | -1 == RequestedLights[requested].HardwareLightIndex) | ||
3521 | { | ||
3522 | assignHardwareLight(requested); | ||
3523 | break; | ||
3524 | } | ||
3525 | } | ||
3526 | } | ||
3527 | } | ||
3528 | |||
3529 | |||
3530 | //! returns the maximal amount of dynamic lights the device can handle | ||
3531 | u32 COpenGLDriver::getMaximalDynamicLightAmount() const | ||
3532 | { | ||
3533 | return MaxLights; | ||
3534 | } | ||
3535 | |||
3536 | |||
3537 | //! Sets the dynamic ambient light color. The default color is | ||
3538 | //! (0,0,0,0) which means it is dark. | ||
3539 | //! \param color: New color of the ambient light. | ||
3540 | void COpenGLDriver::setAmbientLight(const SColorf& color) | ||
3541 | { | ||
3542 | GLfloat data[4] = {color.r, color.g, color.b, color.a}; | ||
3543 | glLightModelfv(GL_LIGHT_MODEL_AMBIENT, data); | ||
3544 | } | ||
3545 | |||
3546 | |||
3547 | // this code was sent in by Oliver Klems, thank you! (I modified the glViewport | ||
3548 | // method just a bit. | ||
3549 | void COpenGLDriver::setViewPort(const core::rect<s32>& area) | ||
3550 | { | ||
3551 | if (area == ViewPort) | ||
3552 | return; | ||
3553 | core::rect<s32> vp = area; | ||
3554 | core::rect<s32> rendert(0,0, getCurrentRenderTargetSize().Width, getCurrentRenderTargetSize().Height); | ||
3555 | vp.clipAgainst(rendert); | ||
3556 | |||
3557 | if (vp.getHeight()>0 && vp.getWidth()>0) | ||
3558 | { | ||
3559 | glViewport(vp.UpperLeftCorner.X, | ||
3560 | getCurrentRenderTargetSize().Height - vp.UpperLeftCorner.Y - vp.getHeight(), | ||
3561 | vp.getWidth(), vp.getHeight()); | ||
3562 | |||
3563 | ViewPort = vp; | ||
3564 | } | ||
3565 | } | ||
3566 | |||
3567 | |||
3568 | //! Draws a shadow volume into the stencil buffer. To draw a stencil shadow, do | ||
3569 | //! this: First, draw all geometry. Then use this method, to draw the shadow | ||
3570 | //! volume. Next use IVideoDriver::drawStencilShadow() to visualize the shadow. | ||
3571 | void COpenGLDriver::drawStencilShadowVolume(const core::array<core::vector3df>& triangles, bool zfail, u32 debugDataVisible) | ||
3572 | { | ||
3573 | const u32 count=triangles.size(); | ||
3574 | if (!StencilBuffer || !count) | ||
3575 | return; | ||
3576 | |||
3577 | // unset last 3d material | ||
3578 | if (CurrentRenderMode == ERM_3D && | ||
3579 | static_cast<u32>(Material.MaterialType) < MaterialRenderers.size()) | ||
3580 | { | ||
3581 | MaterialRenderers[Material.MaterialType].Renderer->OnUnsetMaterial(); | ||
3582 | ResetRenderStates = true; | ||
3583 | } | ||
3584 | |||
3585 | // store current OpenGL state | ||
3586 | glPushAttrib(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ENABLE_BIT | | ||
3587 | GL_POLYGON_BIT | GL_STENCIL_BUFFER_BIT); | ||
3588 | |||
3589 | glDisable(GL_LIGHTING); | ||
3590 | glDisable(GL_FOG); | ||
3591 | glDepthFunc(GL_LESS); | ||
3592 | glDepthMask(GL_FALSE); // no depth buffer writing | ||
3593 | if (debugDataVisible & scene::EDS_MESH_WIRE_OVERLAY) | ||
3594 | glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); | ||
3595 | if (!(debugDataVisible & (scene::EDS_SKELETON|scene::EDS_MESH_WIRE_OVERLAY))) | ||
3596 | { | ||
3597 | glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); // no color buffer drawing | ||
3598 | glEnable(GL_STENCIL_TEST); | ||
3599 | } | ||
3600 | |||
3601 | glEnableClientState(GL_VERTEX_ARRAY); | ||
3602 | glVertexPointer(3,GL_FLOAT,sizeof(core::vector3df),triangles.const_pointer()); | ||
3603 | glStencilMask(~0); | ||
3604 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3605 | |||
3606 | GLenum incr = GL_INCR; | ||
3607 | GLenum decr = GL_DECR; | ||
3608 | #ifdef GL_EXT_stencil_wrap | ||
3609 | if (FeatureAvailable[IRR_EXT_stencil_wrap]) | ||
3610 | { | ||
3611 | incr = GL_INCR_WRAP_EXT; | ||
3612 | decr = GL_DECR_WRAP_EXT; | ||
3613 | } | ||
3614 | #endif | ||
3615 | #ifdef GL_NV_depth_clamp | ||
3616 | if (FeatureAvailable[IRR_NV_depth_clamp]) | ||
3617 | glEnable(GL_DEPTH_CLAMP_NV); | ||
3618 | #endif | ||
3619 | |||
3620 | // The first parts are not correctly working, yet. | ||
3621 | #if 0 | ||
3622 | #ifdef GL_EXT_stencil_two_side | ||
3623 | if (FeatureAvailable[IRR_EXT_stencil_two_side]) | ||
3624 | { | ||
3625 | glEnable(GL_STENCIL_TEST_TWO_SIDE_EXT); | ||
3626 | glDisable(GL_CULL_FACE); | ||
3627 | if (zfail) | ||
3628 | { | ||
3629 | extGlActiveStencilFace(GL_BACK); | ||
3630 | glStencilOp(GL_KEEP, incr, GL_KEEP); | ||
3631 | glStencilMask(~0); | ||
3632 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3633 | |||
3634 | extGlActiveStencilFace(GL_FRONT); | ||
3635 | glStencilOp(GL_KEEP, decr, GL_KEEP); | ||
3636 | } | ||
3637 | else // zpass | ||
3638 | { | ||
3639 | extGlActiveStencilFace(GL_BACK); | ||
3640 | glStencilOp(GL_KEEP, GL_KEEP, decr); | ||
3641 | glStencilMask(~0); | ||
3642 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3643 | |||
3644 | extGlActiveStencilFace(GL_FRONT); | ||
3645 | glStencilOp(GL_KEEP, GL_KEEP, incr); | ||
3646 | } | ||
3647 | glStencilMask(~0); | ||
3648 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3649 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3650 | glDisable(GL_STENCIL_TEST_TWO_SIDE_EXT); | ||
3651 | } | ||
3652 | else | ||
3653 | #endif | ||
3654 | if (FeatureAvailable[IRR_ATI_separate_stencil]) | ||
3655 | { | ||
3656 | glDisable(GL_CULL_FACE); | ||
3657 | if (zfail) | ||
3658 | { | ||
3659 | extGlStencilOpSeparate(GL_BACK, GL_KEEP, incr, GL_KEEP); | ||
3660 | extGlStencilOpSeparate(GL_FRONT, GL_KEEP, decr, GL_KEEP); | ||
3661 | } | ||
3662 | else // zpass | ||
3663 | { | ||
3664 | extGlStencilOpSeparate(GL_BACK, GL_KEEP, GL_KEEP, decr); | ||
3665 | extGlStencilOpSeparate(GL_FRONT, GL_KEEP, GL_KEEP, incr); | ||
3666 | } | ||
3667 | extGlStencilFuncSeparate(GL_ALWAYS, GL_ALWAYS, 0, ~0); | ||
3668 | glStencilMask(~0); | ||
3669 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3670 | } | ||
3671 | else | ||
3672 | #endif | ||
3673 | { | ||
3674 | glEnable(GL_CULL_FACE); | ||
3675 | if (zfail) | ||
3676 | { | ||
3677 | glCullFace(GL_FRONT); | ||
3678 | glStencilOp(GL_KEEP, incr, GL_KEEP); | ||
3679 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3680 | |||
3681 | glCullFace(GL_BACK); | ||
3682 | glStencilOp(GL_KEEP, decr, GL_KEEP); | ||
3683 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3684 | } | ||
3685 | else // zpass | ||
3686 | { | ||
3687 | glCullFace(GL_BACK); | ||
3688 | glStencilOp(GL_KEEP, GL_KEEP, incr); | ||
3689 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3690 | |||
3691 | glCullFace(GL_FRONT); | ||
3692 | glStencilOp(GL_KEEP, GL_KEEP, decr); | ||
3693 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3694 | } | ||
3695 | } | ||
3696 | #ifdef GL_NV_depth_clamp | ||
3697 | if (FeatureAvailable[IRR_NV_depth_clamp]) | ||
3698 | glDisable(GL_DEPTH_CLAMP_NV); | ||
3699 | #endif | ||
3700 | |||
3701 | glDisable(GL_POLYGON_OFFSET_FILL); | ||
3702 | glDisableClientState(GL_VERTEX_ARRAY); //not stored on stack | ||
3703 | glPopAttrib(); | ||
3704 | } | ||
3705 | |||
3706 | //! Fills the stencil shadow with color. After the shadow volume has been drawn | ||
3707 | //! into the stencil buffer using IVideoDriver::drawStencilShadowVolume(), use this | ||
3708 | //! to draw the color of the shadow. | ||
3709 | void COpenGLDriver::drawStencilShadow(bool clearStencilBuffer, video::SColor leftUpEdge, | ||
3710 | video::SColor rightUpEdge, video::SColor leftDownEdge, video::SColor rightDownEdge) | ||
3711 | { | ||
3712 | if (!StencilBuffer) | ||
3713 | return; | ||
3714 | |||
3715 | disableTextures(); | ||
3716 | |||
3717 | // store attributes | ||
3718 | glPushAttrib(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ENABLE_BIT | GL_POLYGON_BIT | GL_STENCIL_BUFFER_BIT | GL_LIGHTING_BIT); | ||
3719 | |||
3720 | glDisable(GL_LIGHTING); | ||
3721 | glDisable(GL_FOG); | ||
3722 | glDepthMask(GL_FALSE); | ||
3723 | |||
3724 | glShadeModel(GL_FLAT); | ||
3725 | glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); | ||
3726 | |||
3727 | glEnable(GL_BLEND); | ||
3728 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | ||
3729 | |||
3730 | glEnable(GL_STENCIL_TEST); | ||
3731 | glStencilFunc(GL_NOTEQUAL, 0, ~0); | ||
3732 | glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); | ||
3733 | |||
3734 | // draw a shadow rectangle covering the entire screen using stencil buffer | ||
3735 | glMatrixMode(GL_MODELVIEW); | ||
3736 | glPushMatrix(); | ||
3737 | glLoadIdentity(); | ||
3738 | glMatrixMode(GL_PROJECTION); | ||
3739 | glPushMatrix(); | ||
3740 | glLoadIdentity(); | ||
3741 | |||
3742 | glBegin(GL_QUADS); | ||
3743 | |||
3744 | glColor4ub(leftDownEdge.getRed(), leftDownEdge.getGreen(), leftDownEdge.getBlue(), leftDownEdge.getAlpha()); | ||
3745 | glVertex3f(-1.f,-1.f,-0.9f); | ||
3746 | |||
3747 | glColor4ub(leftUpEdge.getRed(), leftUpEdge.getGreen(), leftUpEdge.getBlue(), leftUpEdge.getAlpha()); | ||
3748 | glVertex3f(-1.f, 1.f,-0.9f); | ||
3749 | |||
3750 | glColor4ub(rightUpEdge.getRed(), rightUpEdge.getGreen(), rightUpEdge.getBlue(), rightUpEdge.getAlpha()); | ||
3751 | glVertex3f(1.f, 1.f,-0.9f); | ||
3752 | |||
3753 | glColor4ub(rightDownEdge.getRed(), rightDownEdge.getGreen(), rightDownEdge.getBlue(), rightDownEdge.getAlpha()); | ||
3754 | glVertex3f(1.f,-1.f,-0.9f); | ||
3755 | |||
3756 | glEnd(); | ||
3757 | |||
3758 | clearBuffers(false, false, clearStencilBuffer, 0x0); | ||
3759 | |||
3760 | // restore settings | ||
3761 | glPopMatrix(); | ||
3762 | glMatrixMode(GL_MODELVIEW); | ||
3763 | glPopMatrix(); | ||
3764 | glPopAttrib(); | ||
3765 | } | ||
3766 | |||
3767 | |||
3768 | //! Sets the fog mode. | ||
3769 | void COpenGLDriver::setFog(SColor c, E_FOG_TYPE fogType, f32 start, | ||
3770 | f32 end, f32 density, bool pixelFog, bool rangeFog) | ||
3771 | { | ||
3772 | CNullDriver::setFog(c, fogType, start, end, density, pixelFog, rangeFog); | ||
3773 | |||
3774 | glFogf(GL_FOG_MODE, GLfloat((fogType==EFT_FOG_LINEAR)? GL_LINEAR : (fogType==EFT_FOG_EXP)?GL_EXP:GL_EXP2)); | ||
3775 | |||
3776 | #ifdef GL_EXT_fog_coord | ||
3777 | if (FeatureAvailable[IRR_EXT_fog_coord]) | ||
3778 | glFogi(GL_FOG_COORDINATE_SOURCE, GL_FRAGMENT_DEPTH); | ||
3779 | #endif | ||
3780 | #ifdef GL_NV_fog_distance | ||
3781 | if (FeatureAvailable[IRR_NV_fog_distance]) | ||
3782 | { | ||
3783 | if (rangeFog) | ||
3784 | glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_RADIAL_NV); | ||
3785 | else | ||
3786 | glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV); | ||
3787 | } | ||
3788 | #endif | ||
3789 | |||
3790 | if (fogType==EFT_FOG_LINEAR) | ||
3791 | { | ||
3792 | glFogf(GL_FOG_START, start); | ||
3793 | glFogf(GL_FOG_END, end); | ||
3794 | } | ||
3795 | else | ||
3796 | glFogf(GL_FOG_DENSITY, density); | ||
3797 | |||
3798 | if (pixelFog) | ||
3799 | glHint(GL_FOG_HINT, GL_NICEST); | ||
3800 | else | ||
3801 | glHint(GL_FOG_HINT, GL_FASTEST); | ||
3802 | |||
3803 | SColorf color(c); | ||
3804 | GLfloat data[4] = {color.r, color.g, color.b, color.a}; | ||
3805 | glFogfv(GL_FOG_COLOR, data); | ||
3806 | } | ||
3807 | |||
3808 | |||
3809 | //! Draws a 3d line. | ||
3810 | void COpenGLDriver::draw3DLine(const core::vector3df& start, | ||
3811 | const core::vector3df& end, SColor color) | ||
3812 | { | ||
3813 | setRenderStates3DMode(); | ||
3814 | |||
3815 | glBegin(GL_LINES); | ||
3816 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
3817 | glVertex3f(start.X, start.Y, start.Z); | ||
3818 | |||
3819 | glVertex3f(end.X, end.Y, end.Z); | ||
3820 | glEnd(); | ||
3821 | } | ||
3822 | |||
3823 | |||
3824 | //! Removes a texture from the texture cache and deletes it, freeing lot of memory. | ||
3825 | void COpenGLDriver::removeTexture(ITexture* texture) | ||
3826 | { | ||
3827 | if (!texture) | ||
3828 | return; | ||
3829 | |||
3830 | CNullDriver::removeTexture(texture); | ||
3831 | // Remove this texture from CurrentTexture as well | ||
3832 | CurrentTexture.remove(texture); | ||
3833 | } | ||
3834 | |||
3835 | |||
3836 | //! Only used by the internal engine. Used to notify the driver that | ||
3837 | //! the window was resized. | ||
3838 | void COpenGLDriver::OnResize(const core::dimension2d<u32>& size) | ||
3839 | { | ||
3840 | CNullDriver::OnResize(size); | ||
3841 | glViewport(0, 0, size.Width, size.Height); | ||
3842 | Transformation3DChanged = true; | ||
3843 | } | ||
3844 | |||
3845 | |||
3846 | //! Returns type of video driver | ||
3847 | E_DRIVER_TYPE COpenGLDriver::getDriverType() const | ||
3848 | { | ||
3849 | return EDT_OPENGL; | ||
3850 | } | ||
3851 | |||
3852 | |||
3853 | //! returns color format | ||
3854 | ECOLOR_FORMAT COpenGLDriver::getColorFormat() const | ||
3855 | { | ||
3856 | return ColorFormat; | ||
3857 | } | ||
3858 | |||
3859 | |||
3860 | //! Sets a vertex shader constant. | ||
3861 | void COpenGLDriver::setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) | ||
3862 | { | ||
3863 | #ifdef GL_ARB_vertex_program | ||
3864 | for (s32 i=0; i<constantAmount; ++i) | ||
3865 | extGlProgramLocalParameter4fv(GL_VERTEX_PROGRAM_ARB, startRegister+i, &data[i*4]); | ||
3866 | #endif | ||
3867 | } | ||
3868 | |||
3869 | //! Sets a pixel shader constant. | ||
3870 | void COpenGLDriver::setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) | ||
3871 | { | ||
3872 | #ifdef GL_ARB_fragment_program | ||
3873 | for (s32 i=0; i<constantAmount; ++i) | ||
3874 | extGlProgramLocalParameter4fv(GL_FRAGMENT_PROGRAM_ARB, startRegister+i, &data[i*4]); | ||
3875 | #endif | ||
3876 | } | ||
3877 | |||
3878 | //! Sets a constant for the vertex shader based on a name. | ||
3879 | bool COpenGLDriver::setVertexShaderConstant(const c8* name, const f32* floats, int count) | ||
3880 | { | ||
3881 | //pass this along, as in GLSL the same routine is used for both vertex and fragment shaders | ||
3882 | return setPixelShaderConstant(name, floats, count); | ||
3883 | } | ||
3884 | |||
3885 | //! Bool interface for the above. | ||
3886 | bool COpenGLDriver::setVertexShaderConstant(const c8* name, const bool* bools, int count) | ||
3887 | { | ||
3888 | return setPixelShaderConstant(name, bools, count); | ||
3889 | } | ||
3890 | |||
3891 | //! Int interface for the above. | ||
3892 | bool COpenGLDriver::setVertexShaderConstant(const c8* name, const s32* ints, int count) | ||
3893 | { | ||
3894 | return setPixelShaderConstant(name, ints, count); | ||
3895 | } | ||
3896 | |||
3897 | //! Sets a constant for the pixel shader based on a name. | ||
3898 | bool COpenGLDriver::setPixelShaderConstant(const c8* name, const f32* floats, int count) | ||
3899 | { | ||
3900 | os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); | ||
3901 | return false; | ||
3902 | } | ||
3903 | |||
3904 | //! Bool interface for the above. | ||
3905 | bool COpenGLDriver::setPixelShaderConstant(const c8* name, const bool* bools, int count) | ||
3906 | { | ||
3907 | os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); | ||
3908 | return false; | ||
3909 | } | ||
3910 | |||
3911 | //! Int interface for the above. | ||
3912 | bool COpenGLDriver::setPixelShaderConstant(const c8* name, const s32* ints, int count) | ||
3913 | { | ||
3914 | os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); | ||
3915 | return false; | ||
3916 | } | ||
3917 | |||
3918 | |||
3919 | //! Adds a new material renderer to the VideoDriver, using pixel and/or | ||
3920 | //! vertex shaders to render geometry. | ||
3921 | s32 COpenGLDriver::addShaderMaterial(const c8* vertexShaderProgram, | ||
3922 | const c8* pixelShaderProgram, | ||
3923 | IShaderConstantSetCallBack* callback, | ||
3924 | E_MATERIAL_TYPE baseMaterial, s32 userData) | ||
3925 | { | ||
3926 | s32 nr = -1; | ||
3927 | COpenGLShaderMaterialRenderer* r = new COpenGLShaderMaterialRenderer( | ||
3928 | this, nr, vertexShaderProgram, pixelShaderProgram, | ||
3929 | callback, getMaterialRenderer(baseMaterial), userData); | ||
3930 | |||
3931 | r->drop(); | ||
3932 | return nr; | ||
3933 | } | ||
3934 | |||
3935 | |||
3936 | //! Adds a new material renderer to the VideoDriver, using GLSL to render geometry. | ||
3937 | s32 COpenGLDriver::addHighLevelShaderMaterial( | ||
3938 | const c8* vertexShaderProgram, | ||
3939 | const c8* vertexShaderEntryPointName, | ||
3940 | E_VERTEX_SHADER_TYPE vsCompileTarget, | ||
3941 | const c8* pixelShaderProgram, | ||
3942 | const c8* pixelShaderEntryPointName, | ||
3943 | E_PIXEL_SHADER_TYPE psCompileTarget, | ||
3944 | const c8* geometryShaderProgram, | ||
3945 | const c8* geometryShaderEntryPointName, | ||
3946 | E_GEOMETRY_SHADER_TYPE gsCompileTarget, | ||
3947 | scene::E_PRIMITIVE_TYPE inType, | ||
3948 | scene::E_PRIMITIVE_TYPE outType, | ||
3949 | u32 verticesOut, | ||
3950 | IShaderConstantSetCallBack* callback, | ||
3951 | E_MATERIAL_TYPE baseMaterial, | ||
3952 | s32 userData, E_GPU_SHADING_LANGUAGE shadingLang) | ||
3953 | { | ||
3954 | s32 nr = -1; | ||
3955 | |||
3956 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
3957 | if (shadingLang == EGSL_CG) | ||
3958 | { | ||
3959 | COpenGLCgMaterialRenderer* r = new COpenGLCgMaterialRenderer( | ||
3960 | this, nr, | ||
3961 | vertexShaderProgram, vertexShaderEntryPointName, vsCompileTarget, | ||
3962 | pixelShaderProgram, pixelShaderEntryPointName, psCompileTarget, | ||
3963 | geometryShaderProgram, geometryShaderEntryPointName, gsCompileTarget, | ||
3964 | inType, outType, verticesOut, | ||
3965 | callback,getMaterialRenderer(baseMaterial), userData); | ||
3966 | |||
3967 | r->drop(); | ||
3968 | } | ||
3969 | else | ||
3970 | #endif | ||
3971 | { | ||
3972 | COpenGLSLMaterialRenderer* r = new COpenGLSLMaterialRenderer( | ||
3973 | this, nr, | ||
3974 | vertexShaderProgram, vertexShaderEntryPointName, vsCompileTarget, | ||
3975 | pixelShaderProgram, pixelShaderEntryPointName, psCompileTarget, | ||
3976 | geometryShaderProgram, geometryShaderEntryPointName, gsCompileTarget, | ||
3977 | inType, outType, verticesOut, | ||
3978 | callback,getMaterialRenderer(baseMaterial), userData); | ||
3979 | |||
3980 | r->drop(); | ||
3981 | } | ||
3982 | |||
3983 | return nr; | ||
3984 | } | ||
3985 | |||
3986 | |||
3987 | //! Returns a pointer to the IVideoDriver interface. (Implementation for | ||
3988 | //! IMaterialRendererServices) | ||
3989 | IVideoDriver* COpenGLDriver::getVideoDriver() | ||
3990 | { | ||
3991 | return this; | ||
3992 | } | ||
3993 | |||
3994 | |||
3995 | ITexture* COpenGLDriver::addRenderTargetTexture(const core::dimension2d<u32>& size, | ||
3996 | const io::path& name, | ||
3997 | const ECOLOR_FORMAT format) | ||
3998 | { | ||
3999 | //disable mip-mapping | ||
4000 | bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS); | ||
4001 | setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false); | ||
4002 | |||
4003 | video::ITexture* rtt = 0; | ||
4004 | #if defined(GL_EXT_framebuffer_object) | ||
4005 | // if driver supports FrameBufferObjects, use them | ||
4006 | if (queryFeature(EVDF_FRAMEBUFFER_OBJECT)) | ||
4007 | { | ||
4008 | rtt = new COpenGLFBOTexture(size, name, this, format); | ||
4009 | if (rtt) | ||
4010 | { | ||
4011 | bool success = false; | ||
4012 | addTexture(rtt); | ||
4013 | ITexture* tex = createDepthTexture(rtt); | ||
4014 | if (tex) | ||
4015 | { | ||
4016 | success = static_cast<video::COpenGLFBODepthTexture*>(tex)->attach(rtt); | ||
4017 | if ( !success ) | ||
4018 | { | ||
4019 | removeDepthTexture(tex); | ||
4020 | } | ||
4021 | tex->drop(); | ||
4022 | } | ||
4023 | rtt->drop(); | ||
4024 | if (!success) | ||
4025 | { | ||
4026 | removeTexture(rtt); | ||
4027 | rtt=0; | ||
4028 | } | ||
4029 | } | ||
4030 | } | ||
4031 | else | ||
4032 | #endif | ||
4033 | { | ||
4034 | // the simple texture is only possible for size <= screensize | ||
4035 | // we try to find an optimal size with the original constraints | ||
4036 | core::dimension2du destSize(core::min_(size.Width,ScreenSize.Width), core::min_(size.Height,ScreenSize.Height)); | ||
4037 | destSize = destSize.getOptimalSize((size==size.getOptimalSize()), false, false); | ||
4038 | rtt = addTexture(destSize, name, ECF_A8R8G8B8); | ||
4039 | if (rtt) | ||
4040 | { | ||
4041 | static_cast<video::COpenGLTexture*>(rtt)->setIsRenderTarget(true); | ||
4042 | } | ||
4043 | } | ||
4044 | |||
4045 | //restore mip-mapping | ||
4046 | setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels); | ||
4047 | |||
4048 | return rtt; | ||
4049 | } | ||
4050 | |||
4051 | |||
4052 | //! Returns the maximum amount of primitives (mostly vertices) which | ||
4053 | //! the device is able to render with one drawIndexedTriangleList | ||
4054 | //! call. | ||
4055 | u32 COpenGLDriver::getMaximalPrimitiveCount() const | ||
4056 | { | ||
4057 | return 0x7fffffff; | ||
4058 | } | ||
4059 | |||
4060 | |||
4061 | //! set or reset render target | ||
4062 | bool COpenGLDriver::setRenderTarget(video::E_RENDER_TARGET target, bool clearTarget, | ||
4063 | bool clearZBuffer, SColor color) | ||
4064 | { | ||
4065 | if (target != CurrentTarget) | ||
4066 | setRenderTarget(0, false, false, 0x0); | ||
4067 | |||
4068 | if (ERT_RENDER_TEXTURE == target) | ||
4069 | { | ||
4070 | os::Printer::log("For render textures call setRenderTarget with the actual texture as first parameter.", ELL_ERROR); | ||
4071 | return false; | ||
4072 | } | ||
4073 | if (ERT_MULTI_RENDER_TEXTURES == target) | ||
4074 | { | ||
4075 | os::Printer::log("For multiple render textures call setRenderTarget with the texture array as first parameter.", ELL_ERROR); | ||
4076 | return false; | ||
4077 | } | ||
4078 | |||
4079 | if (Params.Stereobuffer && (ERT_STEREO_RIGHT_BUFFER == target)) | ||
4080 | { | ||
4081 | if (Params.Doublebuffer) | ||
4082 | glDrawBuffer(GL_BACK_RIGHT); | ||
4083 | else | ||
4084 | glDrawBuffer(GL_FRONT_RIGHT); | ||
4085 | } | ||
4086 | else if (Params.Stereobuffer && ERT_STEREO_BOTH_BUFFERS == target) | ||
4087 | { | ||
4088 | if (Params.Doublebuffer) | ||
4089 | glDrawBuffer(GL_BACK); | ||
4090 | else | ||
4091 | glDrawBuffer(GL_FRONT); | ||
4092 | } | ||
4093 | else if ((target >= ERT_AUX_BUFFER0) && (target-ERT_AUX_BUFFER0 < MaxAuxBuffers)) | ||
4094 | { | ||
4095 | glDrawBuffer(GL_AUX0+target-ERT_AUX_BUFFER0); | ||
4096 | } | ||
4097 | else | ||
4098 | { | ||
4099 | if (Params.Doublebuffer) | ||
4100 | glDrawBuffer(GL_BACK_LEFT); | ||
4101 | else | ||
4102 | glDrawBuffer(GL_FRONT_LEFT); | ||
4103 | // exit with false, but also with working color buffer | ||
4104 | if (target != ERT_FRAME_BUFFER) | ||
4105 | return false; | ||
4106 | } | ||
4107 | CurrentTarget=target; | ||
4108 | clearBuffers(clearTarget, clearZBuffer, false, color); | ||
4109 | return true; | ||
4110 | } | ||
4111 | |||
4112 | |||
4113 | //! set or reset render target | ||
4114 | bool COpenGLDriver::setRenderTarget(video::ITexture* texture, bool clearBackBuffer, | ||
4115 | bool clearZBuffer, SColor color) | ||
4116 | { | ||
4117 | // check for right driver type | ||
4118 | |||
4119 | if (texture && texture->getDriverType() != EDT_OPENGL) | ||
4120 | { | ||
4121 | os::Printer::log("Fatal Error: Tried to set a texture not owned by this driver.", ELL_ERROR); | ||
4122 | return false; | ||
4123 | } | ||
4124 | |||
4125 | #if defined(GL_EXT_framebuffer_object) | ||
4126 | if (CurrentTarget==ERT_MULTI_RENDER_TEXTURES) | ||
4127 | { | ||
4128 | for (u32 i=0; i<MRTargets.size(); ++i) | ||
4129 | { | ||
4130 | if (MRTargets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4131 | { | ||
4132 | for (++i; i<MRTargets.size(); ++i) | ||
4133 | if (MRTargets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4134 | extGlFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i, GL_TEXTURE_2D, 0, 0); | ||
4135 | } | ||
4136 | } | ||
4137 | MRTargets.clear(); | ||
4138 | } | ||
4139 | #endif | ||
4140 | |||
4141 | // check if we should set the previous RT back | ||
4142 | if ((RenderTargetTexture != texture) || | ||
4143 | (CurrentTarget==ERT_MULTI_RENDER_TEXTURES)) | ||
4144 | { | ||
4145 | setActiveTexture(0, 0); | ||
4146 | ResetRenderStates=true; | ||
4147 | if (RenderTargetTexture!=0) | ||
4148 | { | ||
4149 | RenderTargetTexture->unbindRTT(); | ||
4150 | } | ||
4151 | |||
4152 | if (texture) | ||
4153 | { | ||
4154 | // we want to set a new target. so do this. | ||
4155 | glViewport(0, 0, texture->getSize().Width, texture->getSize().Height); | ||
4156 | RenderTargetTexture = static_cast<COpenGLTexture*>(texture); | ||
4157 | // calls glDrawBuffer as well | ||
4158 | RenderTargetTexture->bindRTT(); | ||
4159 | CurrentRendertargetSize = texture->getSize(); | ||
4160 | CurrentTarget=ERT_RENDER_TEXTURE; | ||
4161 | } | ||
4162 | else | ||
4163 | { | ||
4164 | glViewport(0,0,ScreenSize.Width,ScreenSize.Height); | ||
4165 | RenderTargetTexture = 0; | ||
4166 | CurrentRendertargetSize = core::dimension2d<u32>(0,0); | ||
4167 | CurrentTarget=ERT_FRAME_BUFFER; | ||
4168 | glDrawBuffer(Params.Doublebuffer?GL_BACK_LEFT:GL_FRONT_LEFT); | ||
4169 | } | ||
4170 | // we need to update the matrices due to the rendersize change. | ||
4171 | Transformation3DChanged=true; | ||
4172 | } | ||
4173 | |||
4174 | clearBuffers(clearBackBuffer, clearZBuffer, false, color); | ||
4175 | |||
4176 | return true; | ||
4177 | } | ||
4178 | |||
4179 | |||
4180 | //! Sets multiple render targets | ||
4181 | bool COpenGLDriver::setRenderTarget(const core::array<video::IRenderTarget>& targets, | ||
4182 | bool clearBackBuffer, bool clearZBuffer, SColor color) | ||
4183 | { | ||
4184 | // if simply disabling the MRT via array call | ||
4185 | if (targets.size()==0) | ||
4186 | return setRenderTarget(0, clearBackBuffer, clearZBuffer, color); | ||
4187 | // if disabling old MRT, but enabling new one as well | ||
4188 | if ((MRTargets.size()!=0) && (targets != MRTargets)) | ||
4189 | setRenderTarget(0, clearBackBuffer, clearZBuffer, color); | ||
4190 | // if no change, simply clear buffers | ||
4191 | else if (targets == MRTargets) | ||
4192 | { | ||
4193 | clearBuffers(clearBackBuffer, clearZBuffer, false, color); | ||
4194 | return true; | ||
4195 | } | ||
4196 | |||
4197 | // copy to storage for correct disabling | ||
4198 | MRTargets=targets; | ||
4199 | |||
4200 | u32 maxMultipleRTTs = core::min_(static_cast<u32>(MaxMultipleRenderTargets), targets.size()); | ||
4201 | |||
4202 | // determine common size | ||
4203 | core::dimension2du rttSize = CurrentRendertargetSize; | ||
4204 | if (targets[0].TargetType==ERT_RENDER_TEXTURE) | ||
4205 | { | ||
4206 | if (!targets[0].RenderTexture) | ||
4207 | { | ||
4208 | os::Printer::log("Missing render texture for MRT.", ELL_ERROR); | ||
4209 | return false; | ||
4210 | } | ||
4211 | rttSize=targets[0].RenderTexture->getSize(); | ||
4212 | } | ||
4213 | |||
4214 | for (u32 i = 0; i < maxMultipleRTTs; ++i) | ||
4215 | { | ||
4216 | // check for right driver type | ||
4217 | if (targets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4218 | { | ||
4219 | if (!targets[i].RenderTexture) | ||
4220 | { | ||
4221 | maxMultipleRTTs=i; | ||
4222 | os::Printer::log("Missing render texture for MRT.", ELL_WARNING); | ||
4223 | break; | ||
4224 | } | ||
4225 | if (targets[i].RenderTexture->getDriverType() != EDT_OPENGL) | ||
4226 | { | ||
4227 | maxMultipleRTTs=i; | ||
4228 | os::Printer::log("Tried to set a texture not owned by this driver.", ELL_WARNING); | ||
4229 | break; | ||
4230 | } | ||
4231 | |||
4232 | // check for valid render target | ||
4233 | if (!targets[i].RenderTexture->isRenderTarget() || !static_cast<COpenGLTexture*>(targets[i].RenderTexture)->isFrameBufferObject()) | ||
4234 | { | ||
4235 | maxMultipleRTTs=i; | ||
4236 | os::Printer::log("Tried to set a non FBO-RTT as render target.", ELL_WARNING); | ||
4237 | break; | ||
4238 | } | ||
4239 | |||
4240 | // check for valid size | ||
4241 | if (rttSize != targets[i].RenderTexture->getSize()) | ||
4242 | { | ||
4243 | maxMultipleRTTs=i; | ||
4244 | os::Printer::log("Render target texture has wrong size.", ELL_WARNING); | ||
4245 | break; | ||
4246 | } | ||
4247 | } | ||
4248 | } | ||
4249 | if (maxMultipleRTTs==0) | ||
4250 | { | ||
4251 | os::Printer::log("No valid MRTs.", ELL_ERROR); | ||
4252 | return false; | ||
4253 | } | ||
4254 | |||
4255 | // init FBO, if any | ||
4256 | for (u32 i=0; i<maxMultipleRTTs; ++i) | ||
4257 | { | ||
4258 | if (targets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4259 | { | ||
4260 | setRenderTarget(targets[i].RenderTexture, false, false, 0x0); | ||
4261 | break; // bind only first RTT | ||
4262 | } | ||
4263 | } | ||
4264 | // init other main buffer, if necessary | ||
4265 | if (targets[0].TargetType!=ERT_RENDER_TEXTURE) | ||
4266 | setRenderTarget(targets[0].TargetType, false, false, 0x0); | ||
4267 | |||
4268 | // attach other textures and store buffers into array | ||
4269 | if (maxMultipleRTTs > 1) | ||
4270 | { | ||
4271 | CurrentTarget=ERT_MULTI_RENDER_TEXTURES; | ||
4272 | core::array<GLenum> MRTs; | ||
4273 | MRTs.set_used(maxMultipleRTTs); | ||
4274 | for(u32 i = 0; i < maxMultipleRTTs; i++) | ||
4275 | { | ||
4276 | if (FeatureAvailable[IRR_EXT_draw_buffers2]) | ||
4277 | { | ||
4278 | extGlColorMaskIndexed(i, | ||
4279 | (targets[i].ColorMask & ECP_RED)?GL_TRUE:GL_FALSE, | ||
4280 | (targets[i].ColorMask & ECP_GREEN)?GL_TRUE:GL_FALSE, | ||
4281 | (targets[i].ColorMask & ECP_BLUE)?GL_TRUE:GL_FALSE, | ||
4282 | (targets[i].ColorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE); | ||
4283 | if (targets[i].BlendOp==EBO_NONE) | ||
4284 | extGlDisableIndexed(GL_BLEND, i); | ||
4285 | else | ||
4286 | extGlEnableIndexed(GL_BLEND, i); | ||
4287 | } | ||
4288 | #if defined(GL_AMD_draw_buffers_blend) || defined(GL_ARB_draw_buffers_blend) | ||
4289 | if (FeatureAvailable[IRR_AMD_draw_buffers_blend] || FeatureAvailable[IRR_ARB_draw_buffers_blend]) | ||
4290 | { | ||
4291 | extGlBlendFuncIndexed(i, getGLBlend(targets[i].BlendFuncSrc), getGLBlend(targets[i].BlendFuncDst)); | ||
4292 | switch(targets[i].BlendOp) | ||
4293 | { | ||
4294 | case EBO_SUBTRACT: | ||
4295 | extGlBlendEquationIndexed(i, GL_FUNC_SUBTRACT); | ||
4296 | break; | ||
4297 | case EBO_REVSUBTRACT: | ||
4298 | extGlBlendEquationIndexed(i, GL_FUNC_REVERSE_SUBTRACT); | ||
4299 | break; | ||
4300 | case EBO_MIN: | ||
4301 | extGlBlendEquationIndexed(i, GL_MIN); | ||
4302 | break; | ||
4303 | case EBO_MAX: | ||
4304 | extGlBlendEquationIndexed(i, GL_MAX); | ||
4305 | break; | ||
4306 | case EBO_MIN_FACTOR: | ||
4307 | case EBO_MIN_ALPHA: | ||
4308 | #if defined(GL_AMD_blend_minmax_factor) | ||
4309 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
4310 | extGlBlendEquationIndexed(i, GL_FACTOR_MIN_AMD); | ||
4311 | // fallback in case of missing extension | ||
4312 | else | ||
4313 | #endif | ||
4314 | extGlBlendEquation(GL_MIN); | ||
4315 | break; | ||
4316 | case EBO_MAX_FACTOR: | ||
4317 | case EBO_MAX_ALPHA: | ||
4318 | #if defined(GL_AMD_blend_minmax_factor) | ||
4319 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
4320 | extGlBlendEquationIndexed(i, GL_FACTOR_MAX_AMD); | ||
4321 | // fallback in case of missing extension | ||
4322 | else | ||
4323 | #endif | ||
4324 | extGlBlendEquation(GL_MAX); | ||
4325 | break; | ||
4326 | default: | ||
4327 | extGlBlendEquationIndexed(i, GL_FUNC_ADD); | ||
4328 | break; | ||
4329 | } | ||
4330 | } | ||
4331 | #endif | ||
4332 | if (targets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4333 | { | ||
4334 | GLenum attachment = GL_NONE; | ||
4335 | #ifdef GL_EXT_framebuffer_object | ||
4336 | // attach texture to FrameBuffer Object on Color [i] | ||
4337 | attachment = GL_COLOR_ATTACHMENT0_EXT+i; | ||
4338 | if ((i != 0) && (targets[i].RenderTexture != RenderTargetTexture)) | ||
4339 | extGlFramebufferTexture2D(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, static_cast<COpenGLTexture*>(targets[i].RenderTexture)->getOpenGLTextureName(), 0); | ||
4340 | #endif | ||
4341 | MRTs[i]=attachment; | ||
4342 | } | ||
4343 | else | ||
4344 | { | ||
4345 | switch(targets[i].TargetType) | ||
4346 | { | ||
4347 | case ERT_FRAME_BUFFER: | ||
4348 | MRTs[i]=GL_BACK_LEFT; | ||
4349 | break; | ||
4350 | case ERT_STEREO_BOTH_BUFFERS: | ||
4351 | MRTs[i]=GL_BACK; | ||
4352 | break; | ||
4353 | case ERT_STEREO_RIGHT_BUFFER: | ||
4354 | MRTs[i]=GL_BACK_RIGHT; | ||
4355 | break; | ||
4356 | case ERT_STEREO_LEFT_BUFFER: | ||
4357 | MRTs[i]=GL_BACK_LEFT; | ||
4358 | break; | ||
4359 | default: | ||
4360 | MRTs[i]=GL_AUX0+(targets[i].TargetType-ERT_AUX_BUFFER0); | ||
4361 | break; | ||
4362 | } | ||
4363 | } | ||
4364 | } | ||
4365 | |||
4366 | extGlDrawBuffers(maxMultipleRTTs, MRTs.const_pointer()); | ||
4367 | } | ||
4368 | |||
4369 | clearBuffers(clearBackBuffer, clearZBuffer, false, color); | ||
4370 | return true; | ||
4371 | } | ||
4372 | |||
4373 | |||
4374 | // returns the current size of the screen or rendertarget | ||
4375 | const core::dimension2d<u32>& COpenGLDriver::getCurrentRenderTargetSize() const | ||
4376 | { | ||
4377 | if (CurrentRendertargetSize.Width == 0) | ||
4378 | return ScreenSize; | ||
4379 | else | ||
4380 | return CurrentRendertargetSize; | ||
4381 | } | ||
4382 | |||
4383 | |||
4384 | //! Clears the ZBuffer. | ||
4385 | void COpenGLDriver::clearZBuffer() | ||
4386 | { | ||
4387 | clearBuffers(false, true, false, 0x0); | ||
4388 | } | ||
4389 | |||
4390 | |||
4391 | //! Returns an image created from the last rendered frame. | ||
4392 | IImage* COpenGLDriver::createScreenShot(video::ECOLOR_FORMAT format, video::E_RENDER_TARGET target) | ||
4393 | { | ||
4394 | if (target==video::ERT_MULTI_RENDER_TEXTURES || target==video::ERT_RENDER_TEXTURE || target==video::ERT_STEREO_BOTH_BUFFERS) | ||
4395 | return 0; | ||
4396 | |||
4397 | // allows to read pixels in top-to-bottom order | ||
4398 | #ifdef GL_MESA_pack_invert | ||
4399 | if (FeatureAvailable[IRR_MESA_pack_invert]) | ||
4400 | glPixelStorei(GL_PACK_INVERT_MESA, GL_TRUE); | ||
4401 | #endif | ||
4402 | |||
4403 | if (format==video::ECF_UNKNOWN) | ||
4404 | format=getColorFormat(); | ||
4405 | GLenum fmt; | ||
4406 | GLenum type; | ||
4407 | switch (format) | ||
4408 | { | ||
4409 | case ECF_A1R5G5B5: | ||
4410 | fmt = GL_BGRA; | ||
4411 | type = GL_UNSIGNED_SHORT_1_5_5_5_REV; | ||
4412 | break; | ||
4413 | case ECF_R5G6B5: | ||
4414 | fmt = GL_RGB; | ||
4415 | type = GL_UNSIGNED_SHORT_5_6_5; | ||
4416 | break; | ||
4417 | case ECF_R8G8B8: | ||
4418 | fmt = GL_RGB; | ||
4419 | type = GL_UNSIGNED_BYTE; | ||
4420 | break; | ||
4421 | case ECF_A8R8G8B8: | ||
4422 | fmt = GL_BGRA; | ||
4423 | if (Version > 101) | ||
4424 | type = GL_UNSIGNED_INT_8_8_8_8_REV; | ||
4425 | else | ||
4426 | type = GL_UNSIGNED_BYTE; | ||
4427 | break; | ||
4428 | case ECF_R16F: | ||
4429 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4430 | fmt = GL_RED; | ||
4431 | else | ||
4432 | fmt = GL_LUMINANCE; | ||
4433 | #ifdef GL_ARB_half_float_pixel | ||
4434 | if (FeatureAvailable[IRR_ARB_half_float_pixel]) | ||
4435 | type = GL_HALF_FLOAT_ARB; | ||
4436 | else | ||
4437 | #endif | ||
4438 | { | ||
4439 | type = GL_FLOAT; | ||
4440 | format = ECF_R32F; | ||
4441 | } | ||
4442 | break; | ||
4443 | case ECF_G16R16F: | ||
4444 | #ifdef GL_ARB_texture_rg | ||
4445 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4446 | fmt = GL_RG; | ||
4447 | else | ||
4448 | #endif | ||
4449 | fmt = GL_LUMINANCE_ALPHA; | ||
4450 | #ifdef GL_ARB_half_float_pixel | ||
4451 | if (FeatureAvailable[IRR_ARB_half_float_pixel]) | ||
4452 | type = GL_HALF_FLOAT_ARB; | ||
4453 | else | ||
4454 | #endif | ||
4455 | { | ||
4456 | type = GL_FLOAT; | ||
4457 | format = ECF_G32R32F; | ||
4458 | } | ||
4459 | break; | ||
4460 | case ECF_A16B16G16R16F: | ||
4461 | fmt = GL_BGRA; | ||
4462 | #ifdef GL_ARB_half_float_pixel | ||
4463 | if (FeatureAvailable[IRR_ARB_half_float_pixel]) | ||
4464 | type = GL_HALF_FLOAT_ARB; | ||
4465 | else | ||
4466 | #endif | ||
4467 | { | ||
4468 | type = GL_FLOAT; | ||
4469 | format = ECF_A32B32G32R32F; | ||
4470 | } | ||
4471 | break; | ||
4472 | case ECF_R32F: | ||
4473 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4474 | fmt = GL_RED; | ||
4475 | else | ||
4476 | fmt = GL_LUMINANCE; | ||
4477 | type = GL_FLOAT; | ||
4478 | break; | ||
4479 | case ECF_G32R32F: | ||
4480 | #ifdef GL_ARB_texture_rg | ||
4481 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4482 | fmt = GL_RG; | ||
4483 | else | ||
4484 | #endif | ||
4485 | fmt = GL_LUMINANCE_ALPHA; | ||
4486 | type = GL_FLOAT; | ||
4487 | break; | ||
4488 | case ECF_A32B32G32R32F: | ||
4489 | fmt = GL_BGRA; | ||
4490 | type = GL_FLOAT; | ||
4491 | break; | ||
4492 | default: | ||
4493 | fmt = GL_BGRA; | ||
4494 | type = GL_UNSIGNED_BYTE; | ||
4495 | break; | ||
4496 | } | ||
4497 | IImage* newImage = createImage(format, ScreenSize); | ||
4498 | |||
4499 | u8* pixels = 0; | ||
4500 | if (newImage) | ||
4501 | pixels = static_cast<u8*>(newImage->lock()); | ||
4502 | if (pixels) | ||
4503 | { | ||
4504 | GLenum tgt=GL_FRONT; | ||
4505 | switch (target) | ||
4506 | { | ||
4507 | case video::ERT_FRAME_BUFFER: | ||
4508 | break; | ||
4509 | case video::ERT_STEREO_LEFT_BUFFER: | ||
4510 | tgt=GL_FRONT_LEFT; | ||
4511 | break; | ||
4512 | case video::ERT_STEREO_RIGHT_BUFFER: | ||
4513 | tgt=GL_FRONT_RIGHT; | ||
4514 | break; | ||
4515 | default: | ||
4516 | tgt=GL_AUX0+(target-video::ERT_AUX_BUFFER0); | ||
4517 | break; | ||
4518 | } | ||
4519 | glReadBuffer(tgt); | ||
4520 | glReadPixels(0, 0, ScreenSize.Width, ScreenSize.Height, fmt, type, pixels); | ||
4521 | testGLError(); | ||
4522 | glReadBuffer(GL_BACK); | ||
4523 | } | ||
4524 | |||
4525 | #ifdef GL_MESA_pack_invert | ||
4526 | if (FeatureAvailable[IRR_MESA_pack_invert]) | ||
4527 | glPixelStorei(GL_PACK_INVERT_MESA, GL_FALSE); | ||
4528 | else | ||
4529 | #endif | ||
4530 | if (pixels) | ||
4531 | { | ||
4532 | // opengl images are horizontally flipped, so we have to fix that here. | ||
4533 | const s32 pitch=newImage->getPitch(); | ||
4534 | u8* p2 = pixels + (ScreenSize.Height - 1) * pitch; | ||
4535 | u8* tmpBuffer = new u8[pitch]; | ||
4536 | for (u32 i=0; i < ScreenSize.Height; i += 2) | ||
4537 | { | ||
4538 | memcpy(tmpBuffer, pixels, pitch); | ||
4539 | // for (u32 j=0; j<pitch; ++j) | ||
4540 | // { | ||
4541 | // pixels[j]=(u8)(p2[j]*255.f); | ||
4542 | // } | ||
4543 | memcpy(pixels, p2, pitch); | ||
4544 | // for (u32 j=0; j<pitch; ++j) | ||
4545 | // { | ||
4546 | // p2[j]=(u8)(tmpBuffer[j]*255.f); | ||
4547 | // } | ||
4548 | memcpy(p2, tmpBuffer, pitch); | ||
4549 | pixels += pitch; | ||
4550 | p2 -= pitch; | ||
4551 | } | ||
4552 | delete [] tmpBuffer; | ||
4553 | } | ||
4554 | |||
4555 | if (newImage) | ||
4556 | { | ||
4557 | newImage->unlock(); | ||
4558 | if (testGLError() || !pixels) | ||
4559 | { | ||
4560 | newImage->drop(); | ||
4561 | return 0; | ||
4562 | } | ||
4563 | } | ||
4564 | return newImage; | ||
4565 | } | ||
4566 | |||
4567 | |||
4568 | //! get depth texture for the given render target texture | ||
4569 | ITexture* COpenGLDriver::createDepthTexture(ITexture* texture, bool shared) | ||
4570 | { | ||
4571 | if ((texture->getDriverType() != EDT_OPENGL) || (!texture->isRenderTarget())) | ||
4572 | return 0; | ||
4573 | COpenGLTexture* tex = static_cast<COpenGLTexture*>(texture); | ||
4574 | |||
4575 | if (!tex->isFrameBufferObject()) | ||
4576 | return 0; | ||
4577 | |||
4578 | if (shared) | ||
4579 | { | ||
4580 | for (u32 i=0; i<DepthTextures.size(); ++i) | ||
4581 | { | ||
4582 | if (DepthTextures[i]->getSize()==texture->getSize()) | ||
4583 | { | ||
4584 | DepthTextures[i]->grab(); | ||
4585 | return DepthTextures[i]; | ||
4586 | } | ||
4587 | } | ||
4588 | DepthTextures.push_back(new COpenGLFBODepthTexture(texture->getSize(), "depth1", this)); | ||
4589 | return DepthTextures.getLast(); | ||
4590 | } | ||
4591 | return (new COpenGLFBODepthTexture(texture->getSize(), "depth1", this)); | ||
4592 | } | ||
4593 | |||
4594 | |||
4595 | void COpenGLDriver::removeDepthTexture(ITexture* texture) | ||
4596 | { | ||
4597 | for (u32 i=0; i<DepthTextures.size(); ++i) | ||
4598 | { | ||
4599 | if (texture==DepthTextures[i]) | ||
4600 | { | ||
4601 | DepthTextures.erase(i); | ||
4602 | return; | ||
4603 | } | ||
4604 | } | ||
4605 | } | ||
4606 | |||
4607 | |||
4608 | //! Set/unset a clipping plane. | ||
4609 | bool COpenGLDriver::setClipPlane(u32 index, const core::plane3df& plane, bool enable) | ||
4610 | { | ||
4611 | if (index >= MaxUserClipPlanes) | ||
4612 | return false; | ||
4613 | |||
4614 | UserClipPlanes[index].Plane=plane; | ||
4615 | enableClipPlane(index, enable); | ||
4616 | return true; | ||
4617 | } | ||
4618 | |||
4619 | |||
4620 | void COpenGLDriver::uploadClipPlane(u32 index) | ||
4621 | { | ||
4622 | // opengl needs an array of doubles for the plane equation | ||
4623 | GLdouble clip_plane[4]; | ||
4624 | clip_plane[0] = UserClipPlanes[index].Plane.Normal.X; | ||
4625 | clip_plane[1] = UserClipPlanes[index].Plane.Normal.Y; | ||
4626 | clip_plane[2] = UserClipPlanes[index].Plane.Normal.Z; | ||
4627 | clip_plane[3] = UserClipPlanes[index].Plane.D; | ||
4628 | glClipPlane(GL_CLIP_PLANE0 + index, clip_plane); | ||
4629 | } | ||
4630 | |||
4631 | |||
4632 | //! Enable/disable a clipping plane. | ||
4633 | void COpenGLDriver::enableClipPlane(u32 index, bool enable) | ||
4634 | { | ||
4635 | if (index >= MaxUserClipPlanes) | ||
4636 | return; | ||
4637 | if (enable) | ||
4638 | { | ||
4639 | if (!UserClipPlanes[index].Enabled) | ||
4640 | { | ||
4641 | uploadClipPlane(index); | ||
4642 | glEnable(GL_CLIP_PLANE0 + index); | ||
4643 | } | ||
4644 | } | ||
4645 | else | ||
4646 | glDisable(GL_CLIP_PLANE0 + index); | ||
4647 | |||
4648 | UserClipPlanes[index].Enabled=enable; | ||
4649 | } | ||
4650 | |||
4651 | |||
4652 | core::dimension2du COpenGLDriver::getMaxTextureSize() const | ||
4653 | { | ||
4654 | return core::dimension2du(MaxTextureSize, MaxTextureSize); | ||
4655 | } | ||
4656 | |||
4657 | |||
4658 | //! Convert E_PRIMITIVE_TYPE to OpenGL equivalent | ||
4659 | GLenum COpenGLDriver::primitiveTypeToGL(scene::E_PRIMITIVE_TYPE type) const | ||
4660 | { | ||
4661 | switch (type) | ||
4662 | { | ||
4663 | case scene::EPT_POINTS: | ||
4664 | return GL_POINTS; | ||
4665 | case scene::EPT_LINE_STRIP: | ||
4666 | return GL_LINE_STRIP; | ||
4667 | case scene::EPT_LINE_LOOP: | ||
4668 | return GL_LINE_LOOP; | ||
4669 | case scene::EPT_LINES: | ||
4670 | return GL_LINES; | ||
4671 | case scene::EPT_TRIANGLE_STRIP: | ||
4672 | return GL_TRIANGLE_STRIP; | ||
4673 | case scene::EPT_TRIANGLE_FAN: | ||
4674 | return GL_TRIANGLE_FAN; | ||
4675 | case scene::EPT_TRIANGLES: | ||
4676 | return GL_TRIANGLES; | ||
4677 | case scene::EPT_QUAD_STRIP: | ||
4678 | return GL_QUAD_STRIP; | ||
4679 | case scene::EPT_QUADS: | ||
4680 | return GL_QUADS; | ||
4681 | case scene::EPT_POLYGON: | ||
4682 | return GL_POLYGON; | ||
4683 | case scene::EPT_POINT_SPRITES: | ||
4684 | #ifdef GL_ARB_point_sprite | ||
4685 | return GL_POINT_SPRITE_ARB; | ||
4686 | #else | ||
4687 | return GL_POINTS; | ||
4688 | #endif | ||
4689 | } | ||
4690 | return GL_TRIANGLES; | ||
4691 | } | ||
4692 | |||
4693 | |||
4694 | GLenum COpenGLDriver::getGLBlend(E_BLEND_FACTOR factor) const | ||
4695 | { | ||
4696 | GLenum r = 0; | ||
4697 | switch (factor) | ||
4698 | { | ||
4699 | case EBF_ZERO: r = GL_ZERO; break; | ||
4700 | case EBF_ONE: r = GL_ONE; break; | ||
4701 | case EBF_DST_COLOR: r = GL_DST_COLOR; break; | ||
4702 | case EBF_ONE_MINUS_DST_COLOR: r = GL_ONE_MINUS_DST_COLOR; break; | ||
4703 | case EBF_SRC_COLOR: r = GL_SRC_COLOR; break; | ||
4704 | case EBF_ONE_MINUS_SRC_COLOR: r = GL_ONE_MINUS_SRC_COLOR; break; | ||
4705 | case EBF_SRC_ALPHA: r = GL_SRC_ALPHA; break; | ||
4706 | case EBF_ONE_MINUS_SRC_ALPHA: r = GL_ONE_MINUS_SRC_ALPHA; break; | ||
4707 | case EBF_DST_ALPHA: r = GL_DST_ALPHA; break; | ||
4708 | case EBF_ONE_MINUS_DST_ALPHA: r = GL_ONE_MINUS_DST_ALPHA; break; | ||
4709 | case EBF_SRC_ALPHA_SATURATE: r = GL_SRC_ALPHA_SATURATE; break; | ||
4710 | } | ||
4711 | return r; | ||
4712 | } | ||
4713 | |||
4714 | GLenum COpenGLDriver::getZBufferBits() const | ||
4715 | { | ||
4716 | GLenum bits = 0; | ||
4717 | switch (Params.ZBufferBits) | ||
4718 | { | ||
4719 | case 16: | ||
4720 | bits = GL_DEPTH_COMPONENT16; | ||
4721 | break; | ||
4722 | case 24: | ||
4723 | bits = GL_DEPTH_COMPONENT24; | ||
4724 | break; | ||
4725 | case 32: | ||
4726 | bits = GL_DEPTH_COMPONENT32; | ||
4727 | break; | ||
4728 | default: | ||
4729 | bits = GL_DEPTH_COMPONENT; | ||
4730 | break; | ||
4731 | } | ||
4732 | return bits; | ||
4733 | } | ||
4734 | |||
4735 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
4736 | const CGcontext& COpenGLDriver::getCgContext() | ||
4737 | { | ||
4738 | return CgContext; | ||
4739 | } | ||
4740 | #endif | ||
4741 | |||
4742 | |||
4743 | } // end namespace | ||
4744 | } // end namespace | ||
4745 | |||
4746 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4747 | |||
4748 | namespace irr | ||
4749 | { | ||
4750 | namespace video | ||
4751 | { | ||
4752 | |||
4753 | |||
4754 | // ----------------------------------- | ||
4755 | // WINDOWS VERSION | ||
4756 | // ----------------------------------- | ||
4757 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
4758 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4759 | io::IFileSystem* io, CIrrDeviceWin32* device) | ||
4760 | { | ||
4761 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4762 | COpenGLDriver* ogl = new COpenGLDriver(params, io, device); | ||
4763 | if (!ogl->initDriver(device)) | ||
4764 | { | ||
4765 | ogl->drop(); | ||
4766 | ogl = 0; | ||
4767 | } | ||
4768 | return ogl; | ||
4769 | #else | ||
4770 | return 0; | ||
4771 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4772 | } | ||
4773 | #endif // _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
4774 | |||
4775 | // ----------------------------------- | ||
4776 | // MACOSX VERSION | ||
4777 | // ----------------------------------- | ||
4778 | #if defined(_IRR_COMPILE_WITH_OSX_DEVICE_) | ||
4779 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4780 | io::IFileSystem* io, CIrrDeviceMacOSX *device) | ||
4781 | { | ||
4782 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4783 | return new COpenGLDriver(params, io, device); | ||
4784 | #else | ||
4785 | return 0; | ||
4786 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4787 | } | ||
4788 | #endif // _IRR_COMPILE_WITH_OSX_DEVICE_ | ||
4789 | |||
4790 | // ----------------------------------- | ||
4791 | // X11 VERSION | ||
4792 | // ----------------------------------- | ||
4793 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
4794 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4795 | io::IFileSystem* io, CIrrDeviceLinux* device) | ||
4796 | { | ||
4797 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4798 | COpenGLDriver* ogl = new COpenGLDriver(params, io, device); | ||
4799 | if (!ogl->initDriver(device)) | ||
4800 | { | ||
4801 | ogl->drop(); | ||
4802 | ogl = 0; | ||
4803 | } | ||
4804 | return ogl; | ||
4805 | #else | ||
4806 | return 0; | ||
4807 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4808 | } | ||
4809 | #endif // _IRR_COMPILE_WITH_X11_DEVICE_ | ||
4810 | |||
4811 | |||
4812 | // ----------------------------------- | ||
4813 | // SDL VERSION | ||
4814 | // ----------------------------------- | ||
4815 | #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
4816 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4817 | io::IFileSystem* io, CIrrDeviceSDL* device) | ||
4818 | { | ||
4819 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4820 | return new COpenGLDriver(params, io, device); | ||
4821 | #else | ||
4822 | return 0; | ||
4823 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4824 | } | ||
4825 | #endif // _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
4826 | |||
4827 | } // end namespace | ||
4828 | } // end namespace | ||
4829 | |||
4830 | |||