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Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/COpenGLDriver.cpp')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/COpenGLDriver.cpp | 4826 |
1 files changed, 4826 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/COpenGLDriver.cpp b/libraries/irrlicht-1.8/source/Irrlicht/COpenGLDriver.cpp new file mode 100644 index 0000000..1caa9c6 --- /dev/null +++ b/libraries/irrlicht-1.8/source/Irrlicht/COpenGLDriver.cpp | |||
@@ -0,0 +1,4826 @@ | |||
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_SDL_DEVICE_ | ||
21 | #include <SDL/SDL.h> | ||
22 | #endif | ||
23 | |||
24 | namespace irr | ||
25 | { | ||
26 | namespace video | ||
27 | { | ||
28 | |||
29 | // ----------------------------------------------------------------------- | ||
30 | // WINDOWS CONSTRUCTOR | ||
31 | // ----------------------------------------------------------------------- | ||
32 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
33 | //! Windows constructor and init code | ||
34 | COpenGLDriver::COpenGLDriver(const irr::SIrrlichtCreationParameters& params, | ||
35 | io::IFileSystem* io, CIrrDeviceWin32* device) | ||
36 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
37 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), Transformation3DChanged(true), | ||
38 | AntiAlias(params.AntiAlias), RenderTargetTexture(0), | ||
39 | CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
40 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
41 | HDc(0), Window(static_cast<HWND>(params.WindowId)), Win32Device(device), | ||
42 | DeviceType(EIDT_WIN32) | ||
43 | { | ||
44 | #ifdef _DEBUG | ||
45 | setDebugName("COpenGLDriver"); | ||
46 | #endif | ||
47 | |||
48 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
49 | CgContext = 0; | ||
50 | #endif | ||
51 | } | ||
52 | |||
53 | |||
54 | bool COpenGLDriver::changeRenderContext(const SExposedVideoData& videoData, CIrrDeviceWin32* device) | ||
55 | { | ||
56 | if (videoData.OpenGLWin32.HWnd && videoData.OpenGLWin32.HDc && videoData.OpenGLWin32.HRc) | ||
57 | { | ||
58 | if (!wglMakeCurrent((HDC)videoData.OpenGLWin32.HDc, (HGLRC)videoData.OpenGLWin32.HRc)) | ||
59 | { | ||
60 | os::Printer::log("Render Context switch failed."); | ||
61 | return false; | ||
62 | } | ||
63 | else | ||
64 | { | ||
65 | HDc = (HDC)videoData.OpenGLWin32.HDc; | ||
66 | } | ||
67 | } | ||
68 | // set back to main context | ||
69 | else if (HDc != ExposedData.OpenGLWin32.HDc) | ||
70 | { | ||
71 | if (!wglMakeCurrent((HDC)ExposedData.OpenGLWin32.HDc, (HGLRC)ExposedData.OpenGLWin32.HRc)) | ||
72 | { | ||
73 | os::Printer::log("Render Context switch failed."); | ||
74 | return false; | ||
75 | } | ||
76 | else | ||
77 | { | ||
78 | HDc = (HDC)ExposedData.OpenGLWin32.HDc; | ||
79 | } | ||
80 | } | ||
81 | return true; | ||
82 | } | ||
83 | |||
84 | //! inits the open gl driver | ||
85 | bool COpenGLDriver::initDriver(CIrrDeviceWin32* device) | ||
86 | { | ||
87 | // Create a window to test antialiasing support | ||
88 | const fschar_t* ClassName = __TEXT("GLCIrrDeviceWin32"); | ||
89 | HINSTANCE lhInstance = GetModuleHandle(0); | ||
90 | |||
91 | // Register Class | ||
92 | WNDCLASSEX wcex; | ||
93 | wcex.cbSize = sizeof(WNDCLASSEX); | ||
94 | wcex.style = CS_HREDRAW | CS_VREDRAW; | ||
95 | wcex.lpfnWndProc = (WNDPROC)DefWindowProc; | ||
96 | wcex.cbClsExtra = 0; | ||
97 | wcex.cbWndExtra = 0; | ||
98 | wcex.hInstance = lhInstance; | ||
99 | wcex.hIcon = NULL; | ||
100 | wcex.hCursor = LoadCursor(NULL, IDC_ARROW); | ||
101 | wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); | ||
102 | wcex.lpszMenuName = 0; | ||
103 | wcex.lpszClassName = ClassName; | ||
104 | wcex.hIconSm = 0; | ||
105 | wcex.hIcon = 0; | ||
106 | RegisterClassEx(&wcex); | ||
107 | |||
108 | RECT clientSize; | ||
109 | clientSize.top = 0; | ||
110 | clientSize.left = 0; | ||
111 | clientSize.right = Params.WindowSize.Width; | ||
112 | clientSize.bottom = Params.WindowSize.Height; | ||
113 | |||
114 | DWORD style = WS_POPUP; | ||
115 | if (!Params.Fullscreen) | ||
116 | style = WS_SYSMENU | WS_BORDER | WS_CAPTION | WS_CLIPCHILDREN | WS_CLIPSIBLINGS; | ||
117 | |||
118 | AdjustWindowRect(&clientSize, style, FALSE); | ||
119 | |||
120 | const s32 realWidth = clientSize.right - clientSize.left; | ||
121 | const s32 realHeight = clientSize.bottom - clientSize.top; | ||
122 | |||
123 | const s32 windowLeft = (GetSystemMetrics(SM_CXSCREEN) - realWidth) / 2; | ||
124 | const s32 windowTop = (GetSystemMetrics(SM_CYSCREEN) - realHeight) / 2; | ||
125 | |||
126 | HWND temporary_wnd=CreateWindow(ClassName, __TEXT(""), style, windowLeft, | ||
127 | windowTop, realWidth, realHeight, NULL, NULL, lhInstance, NULL); | ||
128 | |||
129 | if (!temporary_wnd) | ||
130 | { | ||
131 | os::Printer::log("Cannot create a temporary window.", ELL_ERROR); | ||
132 | UnregisterClass(ClassName, lhInstance); | ||
133 | return false; | ||
134 | } | ||
135 | |||
136 | HDc = GetDC(temporary_wnd); | ||
137 | |||
138 | // Set up pixel format descriptor with desired parameters | ||
139 | PIXELFORMATDESCRIPTOR pfd = { | ||
140 | sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor | ||
141 | 1, // Version Number | ||
142 | PFD_DRAW_TO_WINDOW | // Format Must Support Window | ||
143 | PFD_SUPPORT_OPENGL | // Format Must Support OpenGL | ||
144 | (Params.Doublebuffer?PFD_DOUBLEBUFFER:0) | // Must Support Double Buffering | ||
145 | (Params.Stereobuffer?PFD_STEREO:0), // Must Support Stereo Buffer | ||
146 | PFD_TYPE_RGBA, // Request An RGBA Format | ||
147 | Params.Bits, // Select Our Color Depth | ||
148 | 0, 0, 0, 0, 0, 0, // Color Bits Ignored | ||
149 | 0, // No Alpha Buffer | ||
150 | 0, // Shift Bit Ignored | ||
151 | 0, // No Accumulation Buffer | ||
152 | 0, 0, 0, 0, // Accumulation Bits Ignored | ||
153 | Params.ZBufferBits, // Z-Buffer (Depth Buffer) | ||
154 | BYTE(Params.Stencilbuffer ? 1 : 0), // Stencil Buffer Depth | ||
155 | 0, // No Auxiliary Buffer | ||
156 | PFD_MAIN_PLANE, // Main Drawing Layer | ||
157 | 0, // Reserved | ||
158 | 0, 0, 0 // Layer Masks Ignored | ||
159 | }; | ||
160 | |||
161 | GLuint PixelFormat; | ||
162 | |||
163 | for (u32 i=0; i<6; ++i) | ||
164 | { | ||
165 | if (i == 1) | ||
166 | { | ||
167 | if (Params.Stencilbuffer) | ||
168 | { | ||
169 | os::Printer::log("Cannot create a GL device with stencil buffer, disabling stencil shadows.", ELL_WARNING); | ||
170 | Params.Stencilbuffer = false; | ||
171 | pfd.cStencilBits = 0; | ||
172 | } | ||
173 | else | ||
174 | continue; | ||
175 | } | ||
176 | else | ||
177 | if (i == 2) | ||
178 | { | ||
179 | pfd.cDepthBits = 24; | ||
180 | } | ||
181 | else | ||
182 | if (i == 3) | ||
183 | { | ||
184 | if (Params.Bits!=16) | ||
185 | pfd.cDepthBits = 16; | ||
186 | else | ||
187 | continue; | ||
188 | } | ||
189 | else | ||
190 | if (i == 4) | ||
191 | { | ||
192 | // try single buffer | ||
193 | if (Params.Doublebuffer) | ||
194 | pfd.dwFlags &= ~PFD_DOUBLEBUFFER; | ||
195 | else | ||
196 | continue; | ||
197 | } | ||
198 | else | ||
199 | if (i == 5) | ||
200 | { | ||
201 | os::Printer::log("Cannot create a GL device context", "No suitable format for temporary window.", ELL_ERROR); | ||
202 | ReleaseDC(temporary_wnd, HDc); | ||
203 | DestroyWindow(temporary_wnd); | ||
204 | UnregisterClass(ClassName, lhInstance); | ||
205 | return false; | ||
206 | } | ||
207 | |||
208 | // choose pixelformat | ||
209 | PixelFormat = ChoosePixelFormat(HDc, &pfd); | ||
210 | if (PixelFormat) | ||
211 | break; | ||
212 | } | ||
213 | |||
214 | SetPixelFormat(HDc, PixelFormat, &pfd); | ||
215 | HGLRC hrc=wglCreateContext(HDc); | ||
216 | if (!hrc) | ||
217 | { | ||
218 | os::Printer::log("Cannot create a temporary GL rendering context.", ELL_ERROR); | ||
219 | ReleaseDC(temporary_wnd, HDc); | ||
220 | DestroyWindow(temporary_wnd); | ||
221 | UnregisterClass(ClassName, lhInstance); | ||
222 | return false; | ||
223 | } | ||
224 | |||
225 | SExposedVideoData data; | ||
226 | data.OpenGLWin32.HDc = HDc; | ||
227 | data.OpenGLWin32.HRc = hrc; | ||
228 | data.OpenGLWin32.HWnd = temporary_wnd; | ||
229 | |||
230 | |||
231 | if (!changeRenderContext(data, device)) | ||
232 | { | ||
233 | os::Printer::log("Cannot activate a temporary GL rendering context.", ELL_ERROR); | ||
234 | wglDeleteContext(hrc); | ||
235 | ReleaseDC(temporary_wnd, HDc); | ||
236 | DestroyWindow(temporary_wnd); | ||
237 | UnregisterClass(ClassName, lhInstance); | ||
238 | return false; | ||
239 | } | ||
240 | |||
241 | core::stringc wglExtensions; | ||
242 | #ifdef WGL_ARB_extensions_string | ||
243 | PFNWGLGETEXTENSIONSSTRINGARBPROC irrGetExtensionsString = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB"); | ||
244 | if (irrGetExtensionsString) | ||
245 | wglExtensions = irrGetExtensionsString(HDc); | ||
246 | #elif defined(WGL_EXT_extensions_string) | ||
247 | PFNWGLGETEXTENSIONSSTRINGEXTPROC irrGetExtensionsString = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)wglGetProcAddress("wglGetExtensionsStringEXT"); | ||
248 | if (irrGetExtensionsString) | ||
249 | wglExtensions = irrGetExtensionsString(HDc); | ||
250 | #endif | ||
251 | const bool pixel_format_supported = (wglExtensions.find("WGL_ARB_pixel_format") != -1); | ||
252 | const bool multi_sample_supported = ((wglExtensions.find("WGL_ARB_multisample") != -1) || | ||
253 | (wglExtensions.find("WGL_EXT_multisample") != -1) || (wglExtensions.find("WGL_3DFX_multisample") != -1) ); | ||
254 | #ifdef _DEBUG | ||
255 | os::Printer::log("WGL_extensions", wglExtensions); | ||
256 | #endif | ||
257 | |||
258 | #ifdef WGL_ARB_pixel_format | ||
259 | PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormat_ARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB"); | ||
260 | if (pixel_format_supported && wglChoosePixelFormat_ARB) | ||
261 | { | ||
262 | // This value determines the number of samples used for antialiasing | ||
263 | // My experience is that 8 does not show a big | ||
264 | // improvement over 4, but 4 shows a big improvement | ||
265 | // over 2. | ||
266 | |||
267 | if(AntiAlias > 32) | ||
268 | AntiAlias = 32; | ||
269 | |||
270 | f32 fAttributes[] = {0.0, 0.0}; | ||
271 | s32 iAttributes[] = | ||
272 | { | ||
273 | WGL_DRAW_TO_WINDOW_ARB,1, | ||
274 | WGL_SUPPORT_OPENGL_ARB,1, | ||
275 | WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB, | ||
276 | WGL_COLOR_BITS_ARB,(Params.Bits==32) ? 24 : 15, | ||
277 | WGL_ALPHA_BITS_ARB,(Params.Bits==32) ? 8 : 1, | ||
278 | WGL_DEPTH_BITS_ARB,Params.ZBufferBits, // 10,11 | ||
279 | WGL_STENCIL_BITS_ARB,Params.Stencilbuffer ? 1 : 0, | ||
280 | WGL_DOUBLE_BUFFER_ARB,Params.Doublebuffer ? 1 : 0, | ||
281 | WGL_STEREO_ARB,Params.Stereobuffer ? 1 : 0, | ||
282 | WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB, | ||
283 | #ifdef WGL_ARB_multisample | ||
284 | WGL_SAMPLES_ARB,AntiAlias, // 20,21 | ||
285 | WGL_SAMPLE_BUFFERS_ARB, 1, | ||
286 | #elif defined(WGL_EXT_multisample) | ||
287 | WGL_SAMPLES_EXT,AntiAlias, // 20,21 | ||
288 | WGL_SAMPLE_BUFFERS_EXT, 1, | ||
289 | #elif defined(WGL_3DFX_multisample) | ||
290 | WGL_SAMPLES_3DFX,AntiAlias, // 20,21 | ||
291 | WGL_SAMPLE_BUFFERS_3DFX, 1, | ||
292 | #endif | ||
293 | #ifdef WGL_ARB_framebuffer_sRGB | ||
294 | WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, Params.HandleSRGB ? 1:0, | ||
295 | #elif defined(WGL_EXT_framebuffer_sRGB) | ||
296 | WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT, Params.HandleSRGB ? 1:0, | ||
297 | #endif | ||
298 | // WGL_DEPTH_FLOAT_EXT, 1, | ||
299 | 0,0,0,0 | ||
300 | }; | ||
301 | int iAttrSize = sizeof(iAttributes)/sizeof(int); | ||
302 | const bool framebuffer_srgb_supported = ((wglExtensions.find("WGL_ARB_framebuffer_sRGB") != -1) || | ||
303 | (wglExtensions.find("WGL_EXT_framebuffer_sRGB") != -1)); | ||
304 | if (!framebuffer_srgb_supported) | ||
305 | { | ||
306 | memmove(&iAttributes[24],&iAttributes[26],sizeof(int)*(iAttrSize-26)); | ||
307 | iAttrSize -= 2; | ||
308 | } | ||
309 | if (!multi_sample_supported) | ||
310 | { | ||
311 | memmove(&iAttributes[20],&iAttributes[24],sizeof(int)*(iAttrSize-24)); | ||
312 | iAttrSize -= 4; | ||
313 | } | ||
314 | |||
315 | s32 rv=0; | ||
316 | // Try to get an acceptable pixel format | ||
317 | do | ||
318 | { | ||
319 | int pixelFormat=0; | ||
320 | UINT numFormats=0; | ||
321 | const BOOL valid = wglChoosePixelFormat_ARB(HDc,iAttributes,fAttributes,1,&pixelFormat,&numFormats); | ||
322 | |||
323 | if (valid && numFormats) | ||
324 | rv = pixelFormat; | ||
325 | else | ||
326 | iAttributes[21] -= 1; | ||
327 | } | ||
328 | while(rv==0 && iAttributes[21]>1); | ||
329 | if (rv) | ||
330 | { | ||
331 | PixelFormat=rv; | ||
332 | AntiAlias=iAttributes[21]; | ||
333 | } | ||
334 | } | ||
335 | else | ||
336 | #endif | ||
337 | AntiAlias=0; | ||
338 | |||
339 | wglMakeCurrent(HDc, NULL); | ||
340 | wglDeleteContext(hrc); | ||
341 | ReleaseDC(temporary_wnd, HDc); | ||
342 | DestroyWindow(temporary_wnd); | ||
343 | UnregisterClass(ClassName, lhInstance); | ||
344 | |||
345 | // get hdc | ||
346 | HDc=GetDC(Window); | ||
347 | if (!HDc) | ||
348 | { | ||
349 | os::Printer::log("Cannot create a GL device context.", ELL_ERROR); | ||
350 | return false; | ||
351 | } | ||
352 | |||
353 | // search for pixel format the simple way | ||
354 | if (PixelFormat==0 || (!SetPixelFormat(HDc, PixelFormat, &pfd))) | ||
355 | { | ||
356 | for (u32 i=0; i<5; ++i) | ||
357 | { | ||
358 | if (i == 1) | ||
359 | { | ||
360 | if (Params.Stencilbuffer) | ||
361 | { | ||
362 | os::Printer::log("Cannot create a GL device with stencil buffer, disabling stencil shadows.", ELL_WARNING); | ||
363 | Params.Stencilbuffer = false; | ||
364 | pfd.cStencilBits = 0; | ||
365 | } | ||
366 | else | ||
367 | continue; | ||
368 | } | ||
369 | else | ||
370 | if (i == 2) | ||
371 | { | ||
372 | pfd.cDepthBits = 24; | ||
373 | } | ||
374 | if (i == 3) | ||
375 | { | ||
376 | if (Params.Bits!=16) | ||
377 | pfd.cDepthBits = 16; | ||
378 | else | ||
379 | continue; | ||
380 | } | ||
381 | else | ||
382 | if (i == 4) | ||
383 | { | ||
384 | os::Printer::log("Cannot create a GL device context", "No suitable format.", ELL_ERROR); | ||
385 | return false; | ||
386 | } | ||
387 | |||
388 | // choose pixelformat | ||
389 | PixelFormat = ChoosePixelFormat(HDc, &pfd); | ||
390 | if (PixelFormat) | ||
391 | break; | ||
392 | } | ||
393 | } | ||
394 | |||
395 | // set pixel format | ||
396 | if (!SetPixelFormat(HDc, PixelFormat, &pfd)) | ||
397 | { | ||
398 | os::Printer::log("Cannot set the pixel format.", ELL_ERROR); | ||
399 | return false; | ||
400 | } | ||
401 | os::Printer::log("Pixel Format", core::stringc(PixelFormat).c_str(), ELL_DEBUG); | ||
402 | |||
403 | // create rendering context | ||
404 | #ifdef WGL_ARB_create_context | ||
405 | PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribs_ARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB"); | ||
406 | if (wglCreateContextAttribs_ARB) | ||
407 | { | ||
408 | int iAttribs[] = | ||
409 | { | ||
410 | WGL_CONTEXT_MAJOR_VERSION_ARB, 3, | ||
411 | WGL_CONTEXT_MINOR_VERSION_ARB, 1, | ||
412 | 0 | ||
413 | }; | ||
414 | hrc=wglCreateContextAttribs_ARB(HDc, 0, iAttribs); | ||
415 | } | ||
416 | else | ||
417 | #endif | ||
418 | hrc=wglCreateContext(HDc); | ||
419 | |||
420 | if (!hrc) | ||
421 | { | ||
422 | os::Printer::log("Cannot create a GL rendering context.", ELL_ERROR); | ||
423 | return false; | ||
424 | } | ||
425 | |||
426 | // set exposed data | ||
427 | ExposedData.OpenGLWin32.HDc = HDc; | ||
428 | ExposedData.OpenGLWin32.HRc = hrc; | ||
429 | ExposedData.OpenGLWin32.HWnd = Window; | ||
430 | |||
431 | // activate rendering context | ||
432 | |||
433 | if (!changeRenderContext(ExposedData, device)) | ||
434 | { | ||
435 | os::Printer::log("Cannot activate GL rendering context", ELL_ERROR); | ||
436 | wglDeleteContext(hrc); | ||
437 | return false; | ||
438 | } | ||
439 | |||
440 | int pf = GetPixelFormat(HDc); | ||
441 | DescribePixelFormat(HDc, pf, sizeof(PIXELFORMATDESCRIPTOR), &pfd); | ||
442 | if (pfd.cAlphaBits != 0) | ||
443 | { | ||
444 | if (pfd.cRedBits == 8) | ||
445 | ColorFormat = ECF_A8R8G8B8; | ||
446 | else | ||
447 | ColorFormat = ECF_A1R5G5B5; | ||
448 | } | ||
449 | else | ||
450 | { | ||
451 | if (pfd.cRedBits == 8) | ||
452 | ColorFormat = ECF_R8G8B8; | ||
453 | else | ||
454 | ColorFormat = ECF_R5G6B5; | ||
455 | } | ||
456 | |||
457 | genericDriverInit(); | ||
458 | |||
459 | extGlSwapInterval(Params.Vsync ? 1 : 0); | ||
460 | return true; | ||
461 | } | ||
462 | |||
463 | #endif // _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
464 | |||
465 | // ----------------------------------------------------------------------- | ||
466 | // MacOSX CONSTRUCTOR | ||
467 | // ----------------------------------------------------------------------- | ||
468 | #ifdef _IRR_COMPILE_WITH_OSX_DEVICE_ | ||
469 | //! Windows constructor and init code | ||
470 | COpenGLDriver::COpenGLDriver(const SIrrlichtCreationParameters& params, | ||
471 | io::IFileSystem* io, CIrrDeviceMacOSX *device) | ||
472 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
473 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), Transformation3DChanged(true), | ||
474 | AntiAlias(params.AntiAlias), RenderTargetTexture(0), | ||
475 | CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
476 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
477 | OSXDevice(device), DeviceType(EIDT_OSX) | ||
478 | { | ||
479 | #ifdef _DEBUG | ||
480 | setDebugName("COpenGLDriver"); | ||
481 | #endif | ||
482 | |||
483 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
484 | CgContext = 0; | ||
485 | #endif | ||
486 | |||
487 | genericDriverInit(); | ||
488 | } | ||
489 | |||
490 | #endif | ||
491 | |||
492 | // ----------------------------------------------------------------------- | ||
493 | // LINUX CONSTRUCTOR | ||
494 | // ----------------------------------------------------------------------- | ||
495 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
496 | //! Linux constructor and init code | ||
497 | COpenGLDriver::COpenGLDriver(const SIrrlichtCreationParameters& params, | ||
498 | io::IFileSystem* io, CIrrDeviceLinux* device) | ||
499 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
500 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), | ||
501 | Transformation3DChanged(true), AntiAlias(params.AntiAlias), | ||
502 | RenderTargetTexture(0), CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
503 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
504 | X11Device(device), DeviceType(EIDT_X11) | ||
505 | { | ||
506 | #ifdef _DEBUG | ||
507 | setDebugName("COpenGLDriver"); | ||
508 | #endif | ||
509 | |||
510 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
511 | CgContext = 0; | ||
512 | #endif | ||
513 | } | ||
514 | |||
515 | |||
516 | bool COpenGLDriver::changeRenderContext(const SExposedVideoData& videoData, CIrrDeviceLinux* device) | ||
517 | { | ||
518 | if (videoData.OpenGLLinux.X11Window) | ||
519 | { | ||
520 | if (videoData.OpenGLLinux.X11Display && videoData.OpenGLLinux.X11Context) | ||
521 | { | ||
522 | if (!glXMakeCurrent((Display*)videoData.OpenGLLinux.X11Display, videoData.OpenGLLinux.X11Window, (GLXContext)videoData.OpenGLLinux.X11Context)) | ||
523 | { | ||
524 | os::Printer::log("Render Context switch failed."); | ||
525 | return false; | ||
526 | } | ||
527 | else | ||
528 | { | ||
529 | Drawable = videoData.OpenGLLinux.X11Window; | ||
530 | X11Display = (Display*)videoData.OpenGLLinux.X11Display; | ||
531 | } | ||
532 | } | ||
533 | else | ||
534 | { | ||
535 | // in case we only got a window ID, try with the existing values for display and context | ||
536 | if (!glXMakeCurrent((Display*)ExposedData.OpenGLLinux.X11Display, videoData.OpenGLLinux.X11Window, (GLXContext)ExposedData.OpenGLLinux.X11Context)) | ||
537 | { | ||
538 | os::Printer::log("Render Context switch failed."); | ||
539 | return false; | ||
540 | } | ||
541 | else | ||
542 | { | ||
543 | Drawable = videoData.OpenGLLinux.X11Window; | ||
544 | X11Display = (Display*)ExposedData.OpenGLLinux.X11Display; | ||
545 | } | ||
546 | } | ||
547 | } | ||
548 | // set back to main context | ||
549 | else if (X11Display != ExposedData.OpenGLLinux.X11Display) | ||
550 | { | ||
551 | if (!glXMakeCurrent((Display*)ExposedData.OpenGLLinux.X11Display, ExposedData.OpenGLLinux.X11Window, (GLXContext)ExposedData.OpenGLLinux.X11Context)) | ||
552 | { | ||
553 | os::Printer::log("Render Context switch failed."); | ||
554 | return false; | ||
555 | } | ||
556 | else | ||
557 | { | ||
558 | Drawable = ExposedData.OpenGLLinux.X11Window; | ||
559 | X11Display = (Display*)ExposedData.OpenGLLinux.X11Display; | ||
560 | } | ||
561 | } | ||
562 | return true; | ||
563 | } | ||
564 | |||
565 | |||
566 | //! inits the open gl driver | ||
567 | bool COpenGLDriver::initDriver(CIrrDeviceLinux* device) | ||
568 | { | ||
569 | ExposedData.OpenGLLinux.X11Context = glXGetCurrentContext(); | ||
570 | ExposedData.OpenGLLinux.X11Display = glXGetCurrentDisplay(); | ||
571 | ExposedData.OpenGLLinux.X11Window = (unsigned long)Params.WindowId; | ||
572 | Drawable = glXGetCurrentDrawable(); | ||
573 | X11Display = (Display*)ExposedData.OpenGLLinux.X11Display; | ||
574 | |||
575 | genericDriverInit(); | ||
576 | |||
577 | // set vsync | ||
578 | extGlSwapInterval(Params.Vsync ? 1 : 0); | ||
579 | return true; | ||
580 | } | ||
581 | |||
582 | #endif // _IRR_COMPILE_WITH_X11_DEVICE_ | ||
583 | |||
584 | |||
585 | // ----------------------------------------------------------------------- | ||
586 | // SDL CONSTRUCTOR | ||
587 | // ----------------------------------------------------------------------- | ||
588 | #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
589 | //! SDL constructor and init code | ||
590 | COpenGLDriver::COpenGLDriver(const SIrrlichtCreationParameters& params, | ||
591 | io::IFileSystem* io, CIrrDeviceSDL* device) | ||
592 | : CNullDriver(io, params.WindowSize), COpenGLExtensionHandler(), | ||
593 | CurrentRenderMode(ERM_NONE), ResetRenderStates(true), | ||
594 | Transformation3DChanged(true), AntiAlias(params.AntiAlias), | ||
595 | RenderTargetTexture(0), CurrentRendertargetSize(0,0), ColorFormat(ECF_R8G8B8), | ||
596 | CurrentTarget(ERT_FRAME_BUFFER), Params(params), | ||
597 | SDLDevice(device), DeviceType(EIDT_SDL) | ||
598 | { | ||
599 | #ifdef _DEBUG | ||
600 | setDebugName("COpenGLDriver"); | ||
601 | #endif | ||
602 | |||
603 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
604 | CgContext = 0; | ||
605 | #endif | ||
606 | |||
607 | genericDriverInit(); | ||
608 | } | ||
609 | |||
610 | #endif // _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
611 | |||
612 | |||
613 | //! destructor | ||
614 | COpenGLDriver::~COpenGLDriver() | ||
615 | { | ||
616 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
617 | if (CgContext) | ||
618 | cgDestroyContext(CgContext); | ||
619 | #endif | ||
620 | |||
621 | RequestedLights.clear(); | ||
622 | |||
623 | deleteMaterialRenders(); | ||
624 | |||
625 | CurrentTexture.clear(); | ||
626 | // I get a blue screen on my laptop, when I do not delete the | ||
627 | // textures manually before releasing the dc. Oh how I love this. | ||
628 | deleteAllTextures(); | ||
629 | removeAllOcclusionQueries(); | ||
630 | removeAllHardwareBuffers(); | ||
631 | |||
632 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
633 | if (DeviceType == EIDT_WIN32) | ||
634 | { | ||
635 | |||
636 | if (ExposedData.OpenGLWin32.HRc) | ||
637 | { | ||
638 | if (!wglMakeCurrent(HDc, 0)) | ||
639 | os::Printer::log("Release of dc and rc failed.", ELL_WARNING); | ||
640 | |||
641 | if (!wglDeleteContext((HGLRC)ExposedData.OpenGLWin32.HRc)) | ||
642 | os::Printer::log("Release of rendering context failed.", ELL_WARNING); | ||
643 | } | ||
644 | |||
645 | if (HDc) | ||
646 | ReleaseDC(Window, HDc); | ||
647 | } | ||
648 | #endif | ||
649 | } | ||
650 | |||
651 | // ----------------------------------------------------------------------- | ||
652 | // METHODS | ||
653 | // ----------------------------------------------------------------------- | ||
654 | |||
655 | bool COpenGLDriver::genericDriverInit() | ||
656 | { | ||
657 | Name=L"OpenGL "; | ||
658 | Name.append(glGetString(GL_VERSION)); | ||
659 | s32 pos=Name.findNext(L' ', 7); | ||
660 | if (pos != -1) | ||
661 | Name=Name.subString(0, pos); | ||
662 | printVersion(); | ||
663 | |||
664 | // print renderer information | ||
665 | const GLubyte* renderer = glGetString(GL_RENDERER); | ||
666 | const GLubyte* vendor = glGetString(GL_VENDOR); | ||
667 | if (renderer && vendor) | ||
668 | { | ||
669 | os::Printer::log(reinterpret_cast<const c8*>(renderer), reinterpret_cast<const c8*>(vendor), ELL_INFORMATION); | ||
670 | VendorName = reinterpret_cast<const c8*>(vendor); | ||
671 | } | ||
672 | |||
673 | u32 i; | ||
674 | CurrentTexture.clear(); | ||
675 | // load extensions | ||
676 | initExtensions(Params.Stencilbuffer); | ||
677 | if (queryFeature(EVDF_ARB_GLSL)) | ||
678 | { | ||
679 | char buf[32]; | ||
680 | const u32 maj = ShaderLanguageVersion/100; | ||
681 | snprintf(buf, 32, "%u.%u", maj, ShaderLanguageVersion-maj*100); | ||
682 | os::Printer::log("GLSL version", buf, ELL_INFORMATION); | ||
683 | } | ||
684 | else | ||
685 | os::Printer::log("GLSL not available.", ELL_INFORMATION); | ||
686 | DriverAttributes->setAttribute("MaxTextures", MaxTextureUnits); | ||
687 | DriverAttributes->setAttribute("MaxSupportedTextures", MaxSupportedTextures); | ||
688 | DriverAttributes->setAttribute("MaxLights", MaxLights); | ||
689 | DriverAttributes->setAttribute("MaxAnisotropy", MaxAnisotropy); | ||
690 | DriverAttributes->setAttribute("MaxUserClipPlanes", MaxUserClipPlanes); | ||
691 | DriverAttributes->setAttribute("MaxAuxBuffers", MaxAuxBuffers); | ||
692 | DriverAttributes->setAttribute("MaxMultipleRenderTargets", MaxMultipleRenderTargets); | ||
693 | DriverAttributes->setAttribute("MaxIndices", (s32)MaxIndices); | ||
694 | DriverAttributes->setAttribute("MaxTextureSize", (s32)MaxTextureSize); | ||
695 | DriverAttributes->setAttribute("MaxGeometryVerticesOut", (s32)MaxGeometryVerticesOut); | ||
696 | DriverAttributes->setAttribute("MaxTextureLODBias", MaxTextureLODBias); | ||
697 | DriverAttributes->setAttribute("Version", Version); | ||
698 | DriverAttributes->setAttribute("ShaderLanguageVersion", ShaderLanguageVersion); | ||
699 | DriverAttributes->setAttribute("AntiAlias", AntiAlias); | ||
700 | |||
701 | glPixelStorei(GL_PACK_ALIGNMENT, 1); | ||
702 | |||
703 | // Reset The Current Viewport | ||
704 | glViewport(0, 0, Params.WindowSize.Width, Params.WindowSize.Height); | ||
705 | |||
706 | UserClipPlanes.reallocate(MaxUserClipPlanes); | ||
707 | for (i=0; i<MaxUserClipPlanes; ++i) | ||
708 | UserClipPlanes.push_back(SUserClipPlane()); | ||
709 | |||
710 | for (i=0; i<ETS_COUNT; ++i) | ||
711 | setTransform(static_cast<E_TRANSFORMATION_STATE>(i), core::IdentityMatrix); | ||
712 | |||
713 | setAmbientLight(SColorf(0.0f,0.0f,0.0f,0.0f)); | ||
714 | #ifdef GL_EXT_separate_specular_color | ||
715 | if (FeatureAvailable[IRR_EXT_separate_specular_color]) | ||
716 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR); | ||
717 | #endif | ||
718 | glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1); | ||
719 | |||
720 | Params.HandleSRGB &= ((FeatureAvailable[IRR_ARB_framebuffer_sRGB] || FeatureAvailable[IRR_EXT_framebuffer_sRGB]) && | ||
721 | FeatureAvailable[IRR_EXT_texture_sRGB]); | ||
722 | #if defined(GL_ARB_framebuffer_sRGB) | ||
723 | if (Params.HandleSRGB) | ||
724 | glEnable(GL_FRAMEBUFFER_SRGB); | ||
725 | #elif defined(GL_EXT_framebuffer_sRGB) | ||
726 | if (Params.HandleSRGB) | ||
727 | glEnable(GL_FRAMEBUFFER_SRGB_EXT); | ||
728 | #endif | ||
729 | |||
730 | // This is a fast replacement for NORMALIZE_NORMALS | ||
731 | // if ((Version>101) || FeatureAvailable[IRR_EXT_rescale_normal]) | ||
732 | // glEnable(GL_RESCALE_NORMAL_EXT); | ||
733 | |||
734 | glClearDepth(1.0); | ||
735 | glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); | ||
736 | glHint(GL_LINE_SMOOTH_HINT, GL_NICEST); | ||
737 | glHint(GL_POINT_SMOOTH_HINT, GL_FASTEST); | ||
738 | glDepthFunc(GL_LEQUAL); | ||
739 | glFrontFace(GL_CW); | ||
740 | // adjust flat coloring scheme to DirectX version | ||
741 | #if defined(GL_ARB_provoking_vertex) || defined(GL_EXT_provoking_vertex) | ||
742 | extGlProvokingVertex(GL_FIRST_VERTEX_CONVENTION_EXT); | ||
743 | #endif | ||
744 | |||
745 | // create material renderers | ||
746 | createMaterialRenderers(); | ||
747 | |||
748 | // set the renderstates | ||
749 | setRenderStates3DMode(); | ||
750 | |||
751 | glAlphaFunc(GL_GREATER, 0.f); | ||
752 | |||
753 | // set fog mode | ||
754 | setFog(FogColor, FogType, FogStart, FogEnd, FogDensity, PixelFog, RangeFog); | ||
755 | |||
756 | // create matrix for flipping textures | ||
757 | TextureFlipMatrix.buildTextureTransform(0.0f, core::vector2df(0,0), core::vector2df(0,1.0f), core::vector2df(1.0f,-1.0f)); | ||
758 | |||
759 | // We need to reset once more at the beginning of the first rendering. | ||
760 | // This fixes problems with intermediate changes to the material during texture load. | ||
761 | ResetRenderStates = true; | ||
762 | |||
763 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
764 | CgContext = cgCreateContext(); | ||
765 | #endif | ||
766 | |||
767 | return true; | ||
768 | } | ||
769 | |||
770 | |||
771 | void COpenGLDriver::createMaterialRenderers() | ||
772 | { | ||
773 | // create OpenGL material renderers | ||
774 | |||
775 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_SOLID(this)); | ||
776 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_SOLID_2_LAYER(this)); | ||
777 | |||
778 | // add the same renderer for all lightmap types | ||
779 | COpenGLMaterialRenderer_LIGHTMAP* lmr = new COpenGLMaterialRenderer_LIGHTMAP(this); | ||
780 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP: | ||
781 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_ADD: | ||
782 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_M2: | ||
783 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_M4: | ||
784 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_LIGHTING: | ||
785 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_LIGHTING_M2: | ||
786 | addMaterialRenderer(lmr); // for EMT_LIGHTMAP_LIGHTING_M4: | ||
787 | lmr->drop(); | ||
788 | |||
789 | // add remaining material renderer | ||
790 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_DETAIL_MAP(this)); | ||
791 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_SPHERE_MAP(this)); | ||
792 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_REFLECTION_2_LAYER(this)); | ||
793 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_ADD_COLOR(this)); | ||
794 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL(this)); | ||
795 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF(this)); | ||
796 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA(this)); | ||
797 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_TRANSPARENT_REFLECTION_2_LAYER(this)); | ||
798 | |||
799 | // add normal map renderers | ||
800 | s32 tmp = 0; | ||
801 | video::IMaterialRenderer* renderer = 0; | ||
802 | renderer = new COpenGLNormalMapRenderer(this, tmp, MaterialRenderers[EMT_SOLID].Renderer); | ||
803 | renderer->drop(); | ||
804 | renderer = new COpenGLNormalMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_ADD_COLOR].Renderer); | ||
805 | renderer->drop(); | ||
806 | renderer = new COpenGLNormalMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_VERTEX_ALPHA].Renderer); | ||
807 | renderer->drop(); | ||
808 | |||
809 | // add parallax map renderers | ||
810 | renderer = new COpenGLParallaxMapRenderer(this, tmp, MaterialRenderers[EMT_SOLID].Renderer); | ||
811 | renderer->drop(); | ||
812 | renderer = new COpenGLParallaxMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_ADD_COLOR].Renderer); | ||
813 | renderer->drop(); | ||
814 | renderer = new COpenGLParallaxMapRenderer(this, tmp, MaterialRenderers[EMT_TRANSPARENT_VERTEX_ALPHA].Renderer); | ||
815 | renderer->drop(); | ||
816 | |||
817 | // add basic 1 texture blending | ||
818 | addAndDropMaterialRenderer(new COpenGLMaterialRenderer_ONETEXTURE_BLEND(this)); | ||
819 | } | ||
820 | |||
821 | |||
822 | //! presents the rendered scene on the screen, returns false if failed | ||
823 | bool COpenGLDriver::endScene() | ||
824 | { | ||
825 | CNullDriver::endScene(); | ||
826 | |||
827 | glFlush(); | ||
828 | |||
829 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
830 | if (DeviceType == EIDT_WIN32) | ||
831 | return SwapBuffers(HDc) == TRUE; | ||
832 | #endif | ||
833 | |||
834 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
835 | if (DeviceType == EIDT_X11) | ||
836 | { | ||
837 | glXSwapBuffers(X11Display, Drawable); | ||
838 | return true; | ||
839 | } | ||
840 | #endif | ||
841 | |||
842 | #ifdef _IRR_COMPILE_WITH_OSX_DEVICE_ | ||
843 | if (DeviceType == EIDT_OSX) | ||
844 | { | ||
845 | OSXDevice->flush(); | ||
846 | return true; | ||
847 | } | ||
848 | #endif | ||
849 | |||
850 | #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
851 | if (DeviceType == EIDT_SDL) | ||
852 | { | ||
853 | SDL_GL_SwapBuffers(); | ||
854 | return true; | ||
855 | } | ||
856 | #endif | ||
857 | |||
858 | // todo: console device present | ||
859 | |||
860 | return false; | ||
861 | } | ||
862 | |||
863 | |||
864 | //! clears the zbuffer and color buffer | ||
865 | void COpenGLDriver::clearBuffers(bool backBuffer, bool zBuffer, bool stencilBuffer, SColor color) | ||
866 | { | ||
867 | GLbitfield mask = 0; | ||
868 | if (backBuffer) | ||
869 | { | ||
870 | const f32 inv = 1.0f / 255.0f; | ||
871 | glClearColor(color.getRed() * inv, color.getGreen() * inv, | ||
872 | color.getBlue() * inv, color.getAlpha() * inv); | ||
873 | |||
874 | mask |= GL_COLOR_BUFFER_BIT; | ||
875 | } | ||
876 | |||
877 | if (zBuffer) | ||
878 | { | ||
879 | glDepthMask(GL_TRUE); | ||
880 | LastMaterial.ZWriteEnable=true; | ||
881 | mask |= GL_DEPTH_BUFFER_BIT; | ||
882 | } | ||
883 | |||
884 | if (stencilBuffer) | ||
885 | mask |= GL_STENCIL_BUFFER_BIT; | ||
886 | |||
887 | if (mask) | ||
888 | glClear(mask); | ||
889 | } | ||
890 | |||
891 | |||
892 | //! init call for rendering start | ||
893 | bool COpenGLDriver::beginScene(bool backBuffer, bool zBuffer, SColor color, | ||
894 | const SExposedVideoData& videoData, core::rect<s32>* sourceRect) | ||
895 | { | ||
896 | CNullDriver::beginScene(backBuffer, zBuffer, color, videoData, sourceRect); | ||
897 | |||
898 | switch (DeviceType) | ||
899 | { | ||
900 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
901 | case EIDT_WIN32: | ||
902 | changeRenderContext(videoData, Win32Device); | ||
903 | break; | ||
904 | #endif | ||
905 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
906 | case EIDT_X11: | ||
907 | changeRenderContext(videoData, X11Device); | ||
908 | break; | ||
909 | #endif | ||
910 | default: | ||
911 | changeRenderContext(videoData, (void*)0); | ||
912 | break; | ||
913 | } | ||
914 | |||
915 | #if defined(_IRR_COMPILE_WITH_SDL_DEVICE_) | ||
916 | if (DeviceType == EIDT_SDL) | ||
917 | { | ||
918 | // todo: SDL sets glFrontFace(GL_CCW) after driver creation, | ||
919 | // it would be better if this was fixed elsewhere. | ||
920 | glFrontFace(GL_CW); | ||
921 | } | ||
922 | #endif | ||
923 | |||
924 | clearBuffers(backBuffer, zBuffer, false, color); | ||
925 | return true; | ||
926 | } | ||
927 | |||
928 | |||
929 | //! Returns the transformation set by setTransform | ||
930 | const core::matrix4& COpenGLDriver::getTransform(E_TRANSFORMATION_STATE state) const | ||
931 | { | ||
932 | return Matrices[state]; | ||
933 | } | ||
934 | |||
935 | |||
936 | //! sets transformation | ||
937 | void COpenGLDriver::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat) | ||
938 | { | ||
939 | Matrices[state] = mat; | ||
940 | Transformation3DChanged = true; | ||
941 | |||
942 | switch (state) | ||
943 | { | ||
944 | case ETS_VIEW: | ||
945 | case ETS_WORLD: | ||
946 | { | ||
947 | // OpenGL only has a model matrix, view and world is not existent. so lets fake these two. | ||
948 | glMatrixMode(GL_MODELVIEW); | ||
949 | |||
950 | // first load the viewing transformation for user clip planes | ||
951 | glLoadMatrixf((Matrices[ETS_VIEW]).pointer()); | ||
952 | |||
953 | // we have to update the clip planes to the latest view matrix | ||
954 | for (u32 i=0; i<MaxUserClipPlanes; ++i) | ||
955 | if (UserClipPlanes[i].Enabled) | ||
956 | uploadClipPlane(i); | ||
957 | |||
958 | // now the real model-view matrix | ||
959 | glMultMatrixf(Matrices[ETS_WORLD].pointer()); | ||
960 | } | ||
961 | break; | ||
962 | case ETS_PROJECTION: | ||
963 | { | ||
964 | glMatrixMode(GL_PROJECTION); | ||
965 | glLoadMatrixf(mat.pointer()); | ||
966 | } | ||
967 | break; | ||
968 | case ETS_COUNT: | ||
969 | return; | ||
970 | default: | ||
971 | { | ||
972 | const u32 i = state - ETS_TEXTURE_0; | ||
973 | if (i >= MATERIAL_MAX_TEXTURES) | ||
974 | break; | ||
975 | |||
976 | const bool isRTT = Material.getTexture(i) && Material.getTexture(i)->isRenderTarget(); | ||
977 | |||
978 | if (MultiTextureExtension) | ||
979 | extGlActiveTexture(GL_TEXTURE0_ARB + i); | ||
980 | |||
981 | glMatrixMode(GL_TEXTURE); | ||
982 | if (!isRTT && mat.isIdentity() ) | ||
983 | glLoadIdentity(); | ||
984 | else | ||
985 | { | ||
986 | GLfloat glmat[16]; | ||
987 | if (isRTT) | ||
988 | getGLTextureMatrix(glmat, mat * TextureFlipMatrix); | ||
989 | else | ||
990 | getGLTextureMatrix(glmat, mat); | ||
991 | glLoadMatrixf(glmat); | ||
992 | } | ||
993 | break; | ||
994 | } | ||
995 | } | ||
996 | } | ||
997 | |||
998 | |||
999 | bool COpenGLDriver::updateVertexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) | ||
1000 | { | ||
1001 | if (!HWBuffer) | ||
1002 | return false; | ||
1003 | |||
1004 | if (!FeatureAvailable[IRR_ARB_vertex_buffer_object]) | ||
1005 | return false; | ||
1006 | |||
1007 | #if defined(GL_ARB_vertex_buffer_object) | ||
1008 | const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; | ||
1009 | const void* vertices=mb->getVertices(); | ||
1010 | const u32 vertexCount=mb->getVertexCount(); | ||
1011 | const E_VERTEX_TYPE vType=mb->getVertexType(); | ||
1012 | const u32 vertexSize = getVertexPitchFromType(vType); | ||
1013 | |||
1014 | const c8* vbuf = static_cast<const c8*>(vertices); | ||
1015 | core::array<c8> buffer; | ||
1016 | if (!FeatureAvailable[IRR_ARB_vertex_array_bgra] && !FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1017 | { | ||
1018 | //buffer vertex data, and convert colors... | ||
1019 | buffer.set_used(vertexSize * vertexCount); | ||
1020 | memcpy(buffer.pointer(), vertices, vertexSize * vertexCount); | ||
1021 | vbuf = buffer.const_pointer(); | ||
1022 | |||
1023 | // in order to convert the colors into opengl format (RGBA) | ||
1024 | switch (vType) | ||
1025 | { | ||
1026 | case EVT_STANDARD: | ||
1027 | { | ||
1028 | S3DVertex* pb = reinterpret_cast<S3DVertex*>(buffer.pointer()); | ||
1029 | const S3DVertex* po = static_cast<const S3DVertex*>(vertices); | ||
1030 | for (u32 i=0; i<vertexCount; i++) | ||
1031 | { | ||
1032 | po[i].Color.toOpenGLColor((u8*)&(pb[i].Color)); | ||
1033 | } | ||
1034 | } | ||
1035 | break; | ||
1036 | case EVT_2TCOORDS: | ||
1037 | { | ||
1038 | S3DVertex2TCoords* pb = reinterpret_cast<S3DVertex2TCoords*>(buffer.pointer()); | ||
1039 | const S3DVertex2TCoords* po = static_cast<const S3DVertex2TCoords*>(vertices); | ||
1040 | for (u32 i=0; i<vertexCount; i++) | ||
1041 | { | ||
1042 | po[i].Color.toOpenGLColor((u8*)&(pb[i].Color)); | ||
1043 | } | ||
1044 | } | ||
1045 | break; | ||
1046 | case EVT_TANGENTS: | ||
1047 | { | ||
1048 | S3DVertexTangents* pb = reinterpret_cast<S3DVertexTangents*>(buffer.pointer()); | ||
1049 | const S3DVertexTangents* po = static_cast<const S3DVertexTangents*>(vertices); | ||
1050 | for (u32 i=0; i<vertexCount; i++) | ||
1051 | { | ||
1052 | po[i].Color.toOpenGLColor((u8*)&(pb[i].Color)); | ||
1053 | } | ||
1054 | } | ||
1055 | break; | ||
1056 | default: | ||
1057 | { | ||
1058 | return false; | ||
1059 | } | ||
1060 | } | ||
1061 | } | ||
1062 | |||
1063 | //get or create buffer | ||
1064 | bool newBuffer=false; | ||
1065 | if (!HWBuffer->vbo_verticesID) | ||
1066 | { | ||
1067 | extGlGenBuffers(1, &HWBuffer->vbo_verticesID); | ||
1068 | if (!HWBuffer->vbo_verticesID) | ||
1069 | return false; | ||
1070 | newBuffer=true; | ||
1071 | } | ||
1072 | else if (HWBuffer->vbo_verticesSize < vertexCount*vertexSize) | ||
1073 | { | ||
1074 | newBuffer=true; | ||
1075 | } | ||
1076 | |||
1077 | extGlBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); | ||
1078 | |||
1079 | //copy data to graphics card | ||
1080 | glGetError(); // clear error storage | ||
1081 | if (!newBuffer) | ||
1082 | extGlBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * vertexSize, vbuf); | ||
1083 | else | ||
1084 | { | ||
1085 | HWBuffer->vbo_verticesSize = vertexCount*vertexSize; | ||
1086 | |||
1087 | if (HWBuffer->Mapped_Vertex==scene::EHM_STATIC) | ||
1088 | extGlBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, vbuf, GL_STATIC_DRAW); | ||
1089 | else if (HWBuffer->Mapped_Vertex==scene::EHM_DYNAMIC) | ||
1090 | extGlBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, vbuf, GL_DYNAMIC_DRAW); | ||
1091 | else //scene::EHM_STREAM | ||
1092 | extGlBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, vbuf, GL_STREAM_DRAW); | ||
1093 | } | ||
1094 | |||
1095 | extGlBindBuffer(GL_ARRAY_BUFFER, 0); | ||
1096 | |||
1097 | return (glGetError() == GL_NO_ERROR); | ||
1098 | #else | ||
1099 | return false; | ||
1100 | #endif | ||
1101 | } | ||
1102 | |||
1103 | |||
1104 | bool COpenGLDriver::updateIndexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) | ||
1105 | { | ||
1106 | if (!HWBuffer) | ||
1107 | return false; | ||
1108 | |||
1109 | if (!FeatureAvailable[IRR_ARB_vertex_buffer_object]) | ||
1110 | return false; | ||
1111 | |||
1112 | #if defined(GL_ARB_vertex_buffer_object) | ||
1113 | const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; | ||
1114 | |||
1115 | const void* indices=mb->getIndices(); | ||
1116 | u32 indexCount= mb->getIndexCount(); | ||
1117 | |||
1118 | GLenum indexSize; | ||
1119 | switch (mb->getIndexType()) | ||
1120 | { | ||
1121 | case EIT_16BIT: | ||
1122 | { | ||
1123 | indexSize=sizeof(u16); | ||
1124 | break; | ||
1125 | } | ||
1126 | case EIT_32BIT: | ||
1127 | { | ||
1128 | indexSize=sizeof(u32); | ||
1129 | break; | ||
1130 | } | ||
1131 | default: | ||
1132 | { | ||
1133 | return false; | ||
1134 | } | ||
1135 | } | ||
1136 | |||
1137 | |||
1138 | //get or create buffer | ||
1139 | bool newBuffer=false; | ||
1140 | if (!HWBuffer->vbo_indicesID) | ||
1141 | { | ||
1142 | extGlGenBuffers(1, &HWBuffer->vbo_indicesID); | ||
1143 | if (!HWBuffer->vbo_indicesID) | ||
1144 | return false; | ||
1145 | newBuffer=true; | ||
1146 | } | ||
1147 | else if (HWBuffer->vbo_indicesSize < indexCount*indexSize) | ||
1148 | { | ||
1149 | newBuffer=true; | ||
1150 | } | ||
1151 | |||
1152 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); | ||
1153 | |||
1154 | //copy data to graphics card | ||
1155 | glGetError(); // clear error storage | ||
1156 | if (!newBuffer) | ||
1157 | extGlBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, indexCount * indexSize, indices); | ||
1158 | else | ||
1159 | { | ||
1160 | HWBuffer->vbo_indicesSize = indexCount*indexSize; | ||
1161 | |||
1162 | if (HWBuffer->Mapped_Index==scene::EHM_STATIC) | ||
1163 | extGlBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STATIC_DRAW); | ||
1164 | else if (HWBuffer->Mapped_Index==scene::EHM_DYNAMIC) | ||
1165 | extGlBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_DYNAMIC_DRAW); | ||
1166 | else //scene::EHM_STREAM | ||
1167 | extGlBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STREAM_DRAW); | ||
1168 | } | ||
1169 | |||
1170 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); | ||
1171 | |||
1172 | return (glGetError() == GL_NO_ERROR); | ||
1173 | #else | ||
1174 | return false; | ||
1175 | #endif | ||
1176 | } | ||
1177 | |||
1178 | |||
1179 | //! updates hardware buffer if needed | ||
1180 | bool COpenGLDriver::updateHardwareBuffer(SHWBufferLink *HWBuffer) | ||
1181 | { | ||
1182 | if (!HWBuffer) | ||
1183 | return false; | ||
1184 | |||
1185 | if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER) | ||
1186 | { | ||
1187 | if (HWBuffer->ChangedID_Vertex != HWBuffer->MeshBuffer->getChangedID_Vertex() | ||
1188 | || !((SHWBufferLink_opengl*)HWBuffer)->vbo_verticesID) | ||
1189 | { | ||
1190 | |||
1191 | HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex(); | ||
1192 | |||
1193 | if (!updateVertexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer)) | ||
1194 | return false; | ||
1195 | } | ||
1196 | } | ||
1197 | |||
1198 | if (HWBuffer->Mapped_Index!=scene::EHM_NEVER) | ||
1199 | { | ||
1200 | if (HWBuffer->ChangedID_Index != HWBuffer->MeshBuffer->getChangedID_Index() | ||
1201 | || !((SHWBufferLink_opengl*)HWBuffer)->vbo_indicesID) | ||
1202 | { | ||
1203 | |||
1204 | HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index(); | ||
1205 | |||
1206 | if (!updateIndexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer)) | ||
1207 | return false; | ||
1208 | } | ||
1209 | } | ||
1210 | |||
1211 | return true; | ||
1212 | } | ||
1213 | |||
1214 | |||
1215 | //! Create hardware buffer from meshbuffer | ||
1216 | COpenGLDriver::SHWBufferLink *COpenGLDriver::createHardwareBuffer(const scene::IMeshBuffer* mb) | ||
1217 | { | ||
1218 | #if defined(GL_ARB_vertex_buffer_object) | ||
1219 | if (!mb || (mb->getHardwareMappingHint_Index()==scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex()==scene::EHM_NEVER)) | ||
1220 | return 0; | ||
1221 | |||
1222 | SHWBufferLink_opengl *HWBuffer=new SHWBufferLink_opengl(mb); | ||
1223 | |||
1224 | //add to map | ||
1225 | HWBufferMap.insert(HWBuffer->MeshBuffer, HWBuffer); | ||
1226 | |||
1227 | HWBuffer->ChangedID_Vertex=HWBuffer->MeshBuffer->getChangedID_Vertex(); | ||
1228 | HWBuffer->ChangedID_Index=HWBuffer->MeshBuffer->getChangedID_Index(); | ||
1229 | HWBuffer->Mapped_Vertex=mb->getHardwareMappingHint_Vertex(); | ||
1230 | HWBuffer->Mapped_Index=mb->getHardwareMappingHint_Index(); | ||
1231 | HWBuffer->LastUsed=0; | ||
1232 | HWBuffer->vbo_verticesID=0; | ||
1233 | HWBuffer->vbo_indicesID=0; | ||
1234 | HWBuffer->vbo_verticesSize=0; | ||
1235 | HWBuffer->vbo_indicesSize=0; | ||
1236 | |||
1237 | if (!updateHardwareBuffer(HWBuffer)) | ||
1238 | { | ||
1239 | deleteHardwareBuffer(HWBuffer); | ||
1240 | return 0; | ||
1241 | } | ||
1242 | |||
1243 | return HWBuffer; | ||
1244 | #else | ||
1245 | return 0; | ||
1246 | #endif | ||
1247 | } | ||
1248 | |||
1249 | |||
1250 | void COpenGLDriver::deleteHardwareBuffer(SHWBufferLink *_HWBuffer) | ||
1251 | { | ||
1252 | if (!_HWBuffer) | ||
1253 | return; | ||
1254 | |||
1255 | #if defined(GL_ARB_vertex_buffer_object) | ||
1256 | SHWBufferLink_opengl *HWBuffer=(SHWBufferLink_opengl*)_HWBuffer; | ||
1257 | if (HWBuffer->vbo_verticesID) | ||
1258 | { | ||
1259 | extGlDeleteBuffers(1, &HWBuffer->vbo_verticesID); | ||
1260 | HWBuffer->vbo_verticesID=0; | ||
1261 | } | ||
1262 | if (HWBuffer->vbo_indicesID) | ||
1263 | { | ||
1264 | extGlDeleteBuffers(1, &HWBuffer->vbo_indicesID); | ||
1265 | HWBuffer->vbo_indicesID=0; | ||
1266 | } | ||
1267 | #endif | ||
1268 | |||
1269 | CNullDriver::deleteHardwareBuffer(_HWBuffer); | ||
1270 | } | ||
1271 | |||
1272 | |||
1273 | //! Draw hardware buffer | ||
1274 | void COpenGLDriver::drawHardwareBuffer(SHWBufferLink *_HWBuffer) | ||
1275 | { | ||
1276 | if (!_HWBuffer) | ||
1277 | return; | ||
1278 | |||
1279 | updateHardwareBuffer(_HWBuffer); //check if update is needed | ||
1280 | _HWBuffer->LastUsed=0; //reset count | ||
1281 | |||
1282 | #if defined(GL_ARB_vertex_buffer_object) | ||
1283 | SHWBufferLink_opengl *HWBuffer=(SHWBufferLink_opengl*)_HWBuffer; | ||
1284 | |||
1285 | const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; | ||
1286 | const void *vertices=mb->getVertices(); | ||
1287 | const void *indexList=mb->getIndices(); | ||
1288 | |||
1289 | if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER) | ||
1290 | { | ||
1291 | extGlBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); | ||
1292 | vertices=0; | ||
1293 | } | ||
1294 | |||
1295 | if (HWBuffer->Mapped_Index!=scene::EHM_NEVER) | ||
1296 | { | ||
1297 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); | ||
1298 | indexList=0; | ||
1299 | } | ||
1300 | |||
1301 | drawVertexPrimitiveList(vertices, mb->getVertexCount(), indexList, mb->getIndexCount()/3, mb->getVertexType(), scene::EPT_TRIANGLES, mb->getIndexType()); | ||
1302 | |||
1303 | if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER) | ||
1304 | extGlBindBuffer(GL_ARRAY_BUFFER, 0); | ||
1305 | if (HWBuffer->Mapped_Index!=scene::EHM_NEVER) | ||
1306 | extGlBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); | ||
1307 | #endif | ||
1308 | } | ||
1309 | |||
1310 | |||
1311 | //! Create occlusion query. | ||
1312 | /** Use node for identification and mesh for occlusion test. */ | ||
1313 | void COpenGLDriver::addOcclusionQuery(scene::ISceneNode* node, | ||
1314 | const scene::IMesh* mesh) | ||
1315 | { | ||
1316 | if (!queryFeature(EVDF_OCCLUSION_QUERY)) | ||
1317 | return; | ||
1318 | |||
1319 | CNullDriver::addOcclusionQuery(node, mesh); | ||
1320 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1321 | if ((index != -1) && (OcclusionQueries[index].UID == 0)) | ||
1322 | extGlGenQueries(1, reinterpret_cast<GLuint*>(&OcclusionQueries[index].UID)); | ||
1323 | } | ||
1324 | |||
1325 | |||
1326 | //! Remove occlusion query. | ||
1327 | void COpenGLDriver::removeOcclusionQuery(scene::ISceneNode* node) | ||
1328 | { | ||
1329 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1330 | if (index != -1) | ||
1331 | { | ||
1332 | if (OcclusionQueries[index].UID != 0) | ||
1333 | extGlDeleteQueries(1, reinterpret_cast<GLuint*>(&OcclusionQueries[index].UID)); | ||
1334 | CNullDriver::removeOcclusionQuery(node); | ||
1335 | } | ||
1336 | } | ||
1337 | |||
1338 | |||
1339 | //! Run occlusion query. Draws mesh stored in query. | ||
1340 | /** If the mesh shall not be rendered visible, use | ||
1341 | overrideMaterial to disable the color and depth buffer. */ | ||
1342 | void COpenGLDriver::runOcclusionQuery(scene::ISceneNode* node, bool visible) | ||
1343 | { | ||
1344 | if (!node) | ||
1345 | return; | ||
1346 | |||
1347 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1348 | if (index != -1) | ||
1349 | { | ||
1350 | if (OcclusionQueries[index].UID) | ||
1351 | extGlBeginQuery( | ||
1352 | #ifdef GL_ARB_occlusion_query | ||
1353 | GL_SAMPLES_PASSED_ARB, | ||
1354 | #else | ||
1355 | 0, | ||
1356 | #endif | ||
1357 | OcclusionQueries[index].UID); | ||
1358 | CNullDriver::runOcclusionQuery(node,visible); | ||
1359 | if (OcclusionQueries[index].UID) | ||
1360 | extGlEndQuery( | ||
1361 | #ifdef GL_ARB_occlusion_query | ||
1362 | GL_SAMPLES_PASSED_ARB); | ||
1363 | #else | ||
1364 | 0); | ||
1365 | #endif | ||
1366 | testGLError(); | ||
1367 | } | ||
1368 | } | ||
1369 | |||
1370 | |||
1371 | //! Update occlusion query. Retrieves results from GPU. | ||
1372 | /** If the query shall not block, set the flag to false. | ||
1373 | Update might not occur in this case, though */ | ||
1374 | void COpenGLDriver::updateOcclusionQuery(scene::ISceneNode* node, bool block) | ||
1375 | { | ||
1376 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1377 | if (index != -1) | ||
1378 | { | ||
1379 | // not yet started | ||
1380 | if (OcclusionQueries[index].Run==u32(~0)) | ||
1381 | return; | ||
1382 | GLint available = block?GL_TRUE:GL_FALSE; | ||
1383 | if (!block) | ||
1384 | extGlGetQueryObjectiv(OcclusionQueries[index].UID, | ||
1385 | #ifdef GL_ARB_occlusion_query | ||
1386 | GL_QUERY_RESULT_AVAILABLE_ARB, | ||
1387 | #elif defined(GL_NV_occlusion_query) | ||
1388 | GL_PIXEL_COUNT_AVAILABLE_NV, | ||
1389 | #else | ||
1390 | 0, | ||
1391 | #endif | ||
1392 | &available); | ||
1393 | testGLError(); | ||
1394 | if (available==GL_TRUE) | ||
1395 | { | ||
1396 | extGlGetQueryObjectiv(OcclusionQueries[index].UID, | ||
1397 | #ifdef GL_ARB_occlusion_query | ||
1398 | GL_QUERY_RESULT_ARB, | ||
1399 | #elif defined(GL_NV_occlusion_query) | ||
1400 | GL_PIXEL_COUNT_NV, | ||
1401 | #else | ||
1402 | 0, | ||
1403 | #endif | ||
1404 | &available); | ||
1405 | if (queryFeature(EVDF_OCCLUSION_QUERY)) | ||
1406 | OcclusionQueries[index].Result = available; | ||
1407 | } | ||
1408 | testGLError(); | ||
1409 | } | ||
1410 | } | ||
1411 | |||
1412 | |||
1413 | //! Return query result. | ||
1414 | /** Return value is the number of visible pixels/fragments. | ||
1415 | The value is a safe approximation, i.e. can be larger than the | ||
1416 | actual value of pixels. */ | ||
1417 | u32 COpenGLDriver::getOcclusionQueryResult(scene::ISceneNode* node) const | ||
1418 | { | ||
1419 | const s32 index = OcclusionQueries.linear_search(SOccQuery(node)); | ||
1420 | if (index != -1) | ||
1421 | return OcclusionQueries[index].Result; | ||
1422 | else | ||
1423 | return ~0; | ||
1424 | } | ||
1425 | |||
1426 | |||
1427 | // small helper function to create vertex buffer object adress offsets | ||
1428 | static inline u8* buffer_offset(const long offset) | ||
1429 | { | ||
1430 | return ((u8*)0 + offset); | ||
1431 | } | ||
1432 | |||
1433 | |||
1434 | //! draws a vertex primitive list | ||
1435 | void COpenGLDriver::drawVertexPrimitiveList(const void* vertices, u32 vertexCount, | ||
1436 | const void* indexList, u32 primitiveCount, | ||
1437 | E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) | ||
1438 | { | ||
1439 | if (!primitiveCount || !vertexCount) | ||
1440 | return; | ||
1441 | |||
1442 | if (!checkPrimitiveCount(primitiveCount)) | ||
1443 | return; | ||
1444 | |||
1445 | CNullDriver::drawVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType); | ||
1446 | |||
1447 | if (vertices && !FeatureAvailable[IRR_ARB_vertex_array_bgra] && !FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1448 | getColorBuffer(vertices, vertexCount, vType); | ||
1449 | |||
1450 | // draw everything | ||
1451 | setRenderStates3DMode(); | ||
1452 | |||
1453 | if (MultiTextureExtension) | ||
1454 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1455 | |||
1456 | glEnableClientState(GL_COLOR_ARRAY); | ||
1457 | glEnableClientState(GL_VERTEX_ARRAY); | ||
1458 | if ((pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES)) | ||
1459 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1460 | if ((pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES)) | ||
1461 | glEnableClientState(GL_NORMAL_ARRAY); | ||
1462 | |||
1463 | //due to missing defines in OSX headers, we have to be more specific with this check | ||
1464 | //#if defined(GL_ARB_vertex_array_bgra) || defined(GL_EXT_vertex_array_bgra) | ||
1465 | #ifdef GL_BGRA | ||
1466 | const GLint colorSize=(FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra])?GL_BGRA:4; | ||
1467 | #else | ||
1468 | const GLint colorSize=4; | ||
1469 | #endif | ||
1470 | if (vertices) | ||
1471 | { | ||
1472 | if (FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1473 | { | ||
1474 | switch (vType) | ||
1475 | { | ||
1476 | case EVT_STANDARD: | ||
1477 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Color); | ||
1478 | break; | ||
1479 | case EVT_2TCOORDS: | ||
1480 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Color); | ||
1481 | break; | ||
1482 | case EVT_TANGENTS: | ||
1483 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Color); | ||
1484 | break; | ||
1485 | } | ||
1486 | } | ||
1487 | else | ||
1488 | { | ||
1489 | // avoid passing broken pointer to OpenGL | ||
1490 | _IRR_DEBUG_BREAK_IF(ColorBuffer.size()==0); | ||
1491 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, 0, &ColorBuffer[0]); | ||
1492 | } | ||
1493 | } | ||
1494 | |||
1495 | switch (vType) | ||
1496 | { | ||
1497 | case EVT_STANDARD: | ||
1498 | if (vertices) | ||
1499 | { | ||
1500 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Normal); | ||
1501 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1502 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Pos); | ||
1503 | } | ||
1504 | else | ||
1505 | { | ||
1506 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex), buffer_offset(12)); | ||
1507 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), buffer_offset(24)); | ||
1508 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1509 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex), 0); | ||
1510 | } | ||
1511 | |||
1512 | if (MultiTextureExtension && CurrentTexture[1]) | ||
1513 | { | ||
1514 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1515 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1516 | if (vertices) | ||
1517 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1518 | else | ||
1519 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1520 | } | ||
1521 | break; | ||
1522 | case EVT_2TCOORDS: | ||
1523 | if (vertices) | ||
1524 | { | ||
1525 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Normal); | ||
1526 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords); | ||
1527 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Pos); | ||
1528 | } | ||
1529 | else | ||
1530 | { | ||
1531 | glNormalPointer(GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(12)); | ||
1532 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), buffer_offset(24)); | ||
1533 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(28)); | ||
1534 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(0)); | ||
1535 | } | ||
1536 | |||
1537 | |||
1538 | if (MultiTextureExtension) | ||
1539 | { | ||
1540 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1541 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1542 | if (vertices) | ||
1543 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords2); | ||
1544 | else | ||
1545 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(36)); | ||
1546 | } | ||
1547 | break; | ||
1548 | case EVT_TANGENTS: | ||
1549 | if (vertices) | ||
1550 | { | ||
1551 | glNormalPointer(GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Normal); | ||
1552 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].TCoords); | ||
1553 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Pos); | ||
1554 | } | ||
1555 | else | ||
1556 | { | ||
1557 | glNormalPointer(GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(12)); | ||
1558 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), buffer_offset(24)); | ||
1559 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(28)); | ||
1560 | glVertexPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(0)); | ||
1561 | } | ||
1562 | |||
1563 | if (MultiTextureExtension) | ||
1564 | { | ||
1565 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1566 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1567 | if (vertices) | ||
1568 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Tangent); | ||
1569 | else | ||
1570 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(36)); | ||
1571 | |||
1572 | extGlClientActiveTexture(GL_TEXTURE2_ARB); | ||
1573 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1574 | if (vertices) | ||
1575 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Binormal); | ||
1576 | else | ||
1577 | glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(48)); | ||
1578 | } | ||
1579 | break; | ||
1580 | } | ||
1581 | |||
1582 | renderArray(indexList, primitiveCount, pType, iType); | ||
1583 | |||
1584 | if (MultiTextureExtension) | ||
1585 | { | ||
1586 | if (vType==EVT_TANGENTS) | ||
1587 | { | ||
1588 | extGlClientActiveTexture(GL_TEXTURE2_ARB); | ||
1589 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1590 | } | ||
1591 | if ((vType!=EVT_STANDARD) || CurrentTexture[1]) | ||
1592 | { | ||
1593 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1594 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1595 | } | ||
1596 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1597 | } | ||
1598 | glDisableClientState(GL_COLOR_ARRAY); | ||
1599 | glDisableClientState(GL_VERTEX_ARRAY); | ||
1600 | glDisableClientState(GL_NORMAL_ARRAY); | ||
1601 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1602 | } | ||
1603 | |||
1604 | |||
1605 | void COpenGLDriver::getColorBuffer(const void* vertices, u32 vertexCount, E_VERTEX_TYPE vType) | ||
1606 | { | ||
1607 | // convert colors to gl color format. | ||
1608 | vertexCount *= 4; //reused as color component count | ||
1609 | ColorBuffer.set_used(vertexCount); | ||
1610 | u32 i; | ||
1611 | |||
1612 | switch (vType) | ||
1613 | { | ||
1614 | case EVT_STANDARD: | ||
1615 | { | ||
1616 | const S3DVertex* p = static_cast<const S3DVertex*>(vertices); | ||
1617 | for (i=0; i<vertexCount; i+=4) | ||
1618 | { | ||
1619 | p->Color.toOpenGLColor(&ColorBuffer[i]); | ||
1620 | ++p; | ||
1621 | } | ||
1622 | } | ||
1623 | break; | ||
1624 | case EVT_2TCOORDS: | ||
1625 | { | ||
1626 | const S3DVertex2TCoords* p = static_cast<const S3DVertex2TCoords*>(vertices); | ||
1627 | for (i=0; i<vertexCount; i+=4) | ||
1628 | { | ||
1629 | p->Color.toOpenGLColor(&ColorBuffer[i]); | ||
1630 | ++p; | ||
1631 | } | ||
1632 | } | ||
1633 | break; | ||
1634 | case EVT_TANGENTS: | ||
1635 | { | ||
1636 | const S3DVertexTangents* p = static_cast<const S3DVertexTangents*>(vertices); | ||
1637 | for (i=0; i<vertexCount; i+=4) | ||
1638 | { | ||
1639 | p->Color.toOpenGLColor(&ColorBuffer[i]); | ||
1640 | ++p; | ||
1641 | } | ||
1642 | } | ||
1643 | break; | ||
1644 | } | ||
1645 | } | ||
1646 | |||
1647 | |||
1648 | void COpenGLDriver::renderArray(const void* indexList, u32 primitiveCount, | ||
1649 | scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) | ||
1650 | { | ||
1651 | GLenum indexSize=0; | ||
1652 | |||
1653 | switch (iType) | ||
1654 | { | ||
1655 | case EIT_16BIT: | ||
1656 | { | ||
1657 | indexSize=GL_UNSIGNED_SHORT; | ||
1658 | break; | ||
1659 | } | ||
1660 | case EIT_32BIT: | ||
1661 | { | ||
1662 | indexSize=GL_UNSIGNED_INT; | ||
1663 | break; | ||
1664 | } | ||
1665 | } | ||
1666 | |||
1667 | switch (pType) | ||
1668 | { | ||
1669 | case scene::EPT_POINTS: | ||
1670 | case scene::EPT_POINT_SPRITES: | ||
1671 | { | ||
1672 | #ifdef GL_ARB_point_sprite | ||
1673 | if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite]) | ||
1674 | glEnable(GL_POINT_SPRITE_ARB); | ||
1675 | #endif | ||
1676 | |||
1677 | // prepare size and attenuation (where supported) | ||
1678 | GLfloat particleSize=Material.Thickness; | ||
1679 | // if (AntiAlias) | ||
1680 | // particleSize=core::clamp(particleSize, DimSmoothedPoint[0], DimSmoothedPoint[1]); | ||
1681 | // else | ||
1682 | particleSize=core::clamp(particleSize, DimAliasedPoint[0], DimAliasedPoint[1]); | ||
1683 | #if defined(GL_VERSION_1_4) || defined(GL_ARB_point_parameters) || defined(GL_EXT_point_parameters) || defined(GL_SGIS_point_parameters) | ||
1684 | const float att[] = {1.0f, 1.0f, 0.0f}; | ||
1685 | #if defined(GL_VERSION_1_4) | ||
1686 | extGlPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, att); | ||
1687 | // extGlPointParameterf(GL_POINT_SIZE_MIN,1.f); | ||
1688 | extGlPointParameterf(GL_POINT_SIZE_MAX, particleSize); | ||
1689 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, 1.0f); | ||
1690 | #elif defined(GL_ARB_point_parameters) | ||
1691 | extGlPointParameterfv(GL_POINT_DISTANCE_ATTENUATION_ARB, att); | ||
1692 | // extGlPointParameterf(GL_POINT_SIZE_MIN_ARB,1.f); | ||
1693 | extGlPointParameterf(GL_POINT_SIZE_MAX_ARB, particleSize); | ||
1694 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 1.0f); | ||
1695 | #elif defined(GL_EXT_point_parameters) | ||
1696 | extGlPointParameterfv(GL_DISTANCE_ATTENUATION_EXT, att); | ||
1697 | // extGlPointParameterf(GL_POINT_SIZE_MIN_EXT,1.f); | ||
1698 | extGlPointParameterf(GL_POINT_SIZE_MAX_EXT, particleSize); | ||
1699 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_EXT, 1.0f); | ||
1700 | #elif defined(GL_SGIS_point_parameters) | ||
1701 | extGlPointParameterfv(GL_DISTANCE_ATTENUATION_SGIS, att); | ||
1702 | // extGlPointParameterf(GL_POINT_SIZE_MIN_SGIS,1.f); | ||
1703 | extGlPointParameterf(GL_POINT_SIZE_MAX_SGIS, particleSize); | ||
1704 | extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_SGIS, 1.0f); | ||
1705 | #endif | ||
1706 | #endif | ||
1707 | glPointSize(particleSize); | ||
1708 | |||
1709 | #ifdef GL_ARB_point_sprite | ||
1710 | if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite]) | ||
1711 | glTexEnvf(GL_POINT_SPRITE_ARB,GL_COORD_REPLACE, GL_TRUE); | ||
1712 | #endif | ||
1713 | glDrawArrays(GL_POINTS, 0, primitiveCount); | ||
1714 | #ifdef GL_ARB_point_sprite | ||
1715 | if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite]) | ||
1716 | { | ||
1717 | glDisable(GL_POINT_SPRITE_ARB); | ||
1718 | glTexEnvf(GL_POINT_SPRITE_ARB,GL_COORD_REPLACE, GL_FALSE); | ||
1719 | } | ||
1720 | #endif | ||
1721 | } | ||
1722 | break; | ||
1723 | case scene::EPT_LINE_STRIP: | ||
1724 | glDrawElements(GL_LINE_STRIP, primitiveCount+1, indexSize, indexList); | ||
1725 | break; | ||
1726 | case scene::EPT_LINE_LOOP: | ||
1727 | glDrawElements(GL_LINE_LOOP, primitiveCount, indexSize, indexList); | ||
1728 | break; | ||
1729 | case scene::EPT_LINES: | ||
1730 | glDrawElements(GL_LINES, primitiveCount*2, indexSize, indexList); | ||
1731 | break; | ||
1732 | case scene::EPT_TRIANGLE_STRIP: | ||
1733 | glDrawElements(GL_TRIANGLE_STRIP, primitiveCount+2, indexSize, indexList); | ||
1734 | break; | ||
1735 | case scene::EPT_TRIANGLE_FAN: | ||
1736 | glDrawElements(GL_TRIANGLE_FAN, primitiveCount+2, indexSize, indexList); | ||
1737 | break; | ||
1738 | case scene::EPT_TRIANGLES: | ||
1739 | glDrawElements(GL_TRIANGLES, primitiveCount*3, indexSize, indexList); | ||
1740 | break; | ||
1741 | case scene::EPT_QUAD_STRIP: | ||
1742 | glDrawElements(GL_QUAD_STRIP, primitiveCount*2+2, indexSize, indexList); | ||
1743 | break; | ||
1744 | case scene::EPT_QUADS: | ||
1745 | glDrawElements(GL_QUADS, primitiveCount*4, indexSize, indexList); | ||
1746 | break; | ||
1747 | case scene::EPT_POLYGON: | ||
1748 | glDrawElements(GL_POLYGON, primitiveCount, indexSize, indexList); | ||
1749 | break; | ||
1750 | } | ||
1751 | } | ||
1752 | |||
1753 | |||
1754 | //! draws a vertex primitive list in 2d | ||
1755 | void COpenGLDriver::draw2DVertexPrimitiveList(const void* vertices, u32 vertexCount, | ||
1756 | const void* indexList, u32 primitiveCount, | ||
1757 | E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) | ||
1758 | { | ||
1759 | if (!primitiveCount || !vertexCount) | ||
1760 | return; | ||
1761 | |||
1762 | if (!checkPrimitiveCount(primitiveCount)) | ||
1763 | return; | ||
1764 | |||
1765 | CNullDriver::draw2DVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType); | ||
1766 | |||
1767 | if (vertices && !FeatureAvailable[IRR_ARB_vertex_array_bgra] && !FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1768 | getColorBuffer(vertices, vertexCount, vType); | ||
1769 | |||
1770 | // draw everything | ||
1771 | this->setActiveTexture(0, Material.getTexture(0)); | ||
1772 | if (Material.MaterialType==EMT_ONETEXTURE_BLEND) | ||
1773 | { | ||
1774 | E_BLEND_FACTOR srcFact; | ||
1775 | E_BLEND_FACTOR dstFact; | ||
1776 | E_MODULATE_FUNC modulo; | ||
1777 | u32 alphaSource; | ||
1778 | unpack_textureBlendFunc ( srcFact, dstFact, modulo, alphaSource, Material.MaterialTypeParam); | ||
1779 | setRenderStates2DMode(alphaSource&video::EAS_VERTEX_COLOR, (Material.getTexture(0) != 0), (alphaSource&video::EAS_TEXTURE) != 0); | ||
1780 | } | ||
1781 | else | ||
1782 | setRenderStates2DMode(Material.MaterialType==EMT_TRANSPARENT_VERTEX_ALPHA, (Material.getTexture(0) != 0), Material.MaterialType==EMT_TRANSPARENT_ALPHA_CHANNEL); | ||
1783 | |||
1784 | if (MultiTextureExtension) | ||
1785 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1786 | |||
1787 | glEnableClientState(GL_COLOR_ARRAY); | ||
1788 | glEnableClientState(GL_VERTEX_ARRAY); | ||
1789 | if ((pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES)) | ||
1790 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1791 | |||
1792 | //due to missing defines in OSX headers, we have to be more specific with this check | ||
1793 | //#if defined(GL_ARB_vertex_array_bgra) || defined(GL_EXT_vertex_array_bgra) | ||
1794 | #ifdef GL_BGRA | ||
1795 | const GLint colorSize=(FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra])?GL_BGRA:4; | ||
1796 | #else | ||
1797 | const GLint colorSize=4; | ||
1798 | #endif | ||
1799 | if (vertices) | ||
1800 | { | ||
1801 | if (FeatureAvailable[IRR_ARB_vertex_array_bgra] || FeatureAvailable[IRR_EXT_vertex_array_bgra]) | ||
1802 | { | ||
1803 | switch (vType) | ||
1804 | { | ||
1805 | case EVT_STANDARD: | ||
1806 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Color); | ||
1807 | break; | ||
1808 | case EVT_2TCOORDS: | ||
1809 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Color); | ||
1810 | break; | ||
1811 | case EVT_TANGENTS: | ||
1812 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Color); | ||
1813 | break; | ||
1814 | } | ||
1815 | } | ||
1816 | else | ||
1817 | { | ||
1818 | // avoid passing broken pointer to OpenGL | ||
1819 | _IRR_DEBUG_BREAK_IF(ColorBuffer.size()==0); | ||
1820 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, 0, &ColorBuffer[0]); | ||
1821 | } | ||
1822 | } | ||
1823 | |||
1824 | switch (vType) | ||
1825 | { | ||
1826 | case EVT_STANDARD: | ||
1827 | if (vertices) | ||
1828 | { | ||
1829 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1830 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Pos); | ||
1831 | } | ||
1832 | else | ||
1833 | { | ||
1834 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex), buffer_offset(24)); | ||
1835 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1836 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex), 0); | ||
1837 | } | ||
1838 | |||
1839 | if (MultiTextureExtension && CurrentTexture[1]) | ||
1840 | { | ||
1841 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1842 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1843 | if (vertices) | ||
1844 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords); | ||
1845 | else | ||
1846 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28)); | ||
1847 | } | ||
1848 | break; | ||
1849 | case EVT_2TCOORDS: | ||
1850 | if (vertices) | ||
1851 | { | ||
1852 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords); | ||
1853 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Pos); | ||
1854 | } | ||
1855 | else | ||
1856 | { | ||
1857 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), buffer_offset(24)); | ||
1858 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(28)); | ||
1859 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(0)); | ||
1860 | } | ||
1861 | |||
1862 | if (MultiTextureExtension) | ||
1863 | { | ||
1864 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1865 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1866 | if (vertices) | ||
1867 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords2); | ||
1868 | else | ||
1869 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(36)); | ||
1870 | } | ||
1871 | break; | ||
1872 | case EVT_TANGENTS: | ||
1873 | if (vertices) | ||
1874 | { | ||
1875 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].TCoords); | ||
1876 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Pos); | ||
1877 | } | ||
1878 | else | ||
1879 | { | ||
1880 | glColorPointer(colorSize, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), buffer_offset(24)); | ||
1881 | glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(28)); | ||
1882 | glVertexPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(0)); | ||
1883 | } | ||
1884 | |||
1885 | break; | ||
1886 | } | ||
1887 | |||
1888 | renderArray(indexList, primitiveCount, pType, iType); | ||
1889 | |||
1890 | if (MultiTextureExtension) | ||
1891 | { | ||
1892 | if ((vType!=EVT_STANDARD) || CurrentTexture[1]) | ||
1893 | { | ||
1894 | extGlClientActiveTexture(GL_TEXTURE1_ARB); | ||
1895 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1896 | } | ||
1897 | extGlClientActiveTexture(GL_TEXTURE0_ARB); | ||
1898 | } | ||
1899 | glDisableClientState(GL_COLOR_ARRAY); | ||
1900 | glDisableClientState(GL_VERTEX_ARRAY); | ||
1901 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | ||
1902 | } | ||
1903 | |||
1904 | |||
1905 | //! draws a set of 2d images, using a color and the alpha channel of the | ||
1906 | //! texture if desired. | ||
1907 | void COpenGLDriver::draw2DImageBatch(const video::ITexture* texture, | ||
1908 | const core::array<core::position2d<s32> >& positions, | ||
1909 | const core::array<core::rect<s32> >& sourceRects, | ||
1910 | const core::rect<s32>* clipRect, | ||
1911 | SColor color, | ||
1912 | bool useAlphaChannelOfTexture) | ||
1913 | { | ||
1914 | if (!texture) | ||
1915 | return; | ||
1916 | |||
1917 | const u32 drawCount = core::min_<u32>(positions.size(), sourceRects.size()); | ||
1918 | |||
1919 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
1920 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
1921 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
1922 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
1923 | |||
1924 | disableTextures(1); | ||
1925 | if (!setActiveTexture(0, texture)) | ||
1926 | return; | ||
1927 | setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture); | ||
1928 | |||
1929 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
1930 | glBegin(GL_QUADS); | ||
1931 | |||
1932 | for (u32 i=0; i<drawCount; ++i) | ||
1933 | { | ||
1934 | if (!sourceRects[i].isValid()) | ||
1935 | continue; | ||
1936 | |||
1937 | core::position2d<s32> targetPos(positions[i]); | ||
1938 | core::position2d<s32> sourcePos(sourceRects[i].UpperLeftCorner); | ||
1939 | // This needs to be signed as it may go negative. | ||
1940 | core::dimension2d<s32> sourceSize(sourceRects[i].getSize()); | ||
1941 | if (clipRect) | ||
1942 | { | ||
1943 | if (targetPos.X < clipRect->UpperLeftCorner.X) | ||
1944 | { | ||
1945 | sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X; | ||
1946 | if (sourceSize.Width <= 0) | ||
1947 | continue; | ||
1948 | |||
1949 | sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X; | ||
1950 | targetPos.X = clipRect->UpperLeftCorner.X; | ||
1951 | } | ||
1952 | |||
1953 | if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X) | ||
1954 | { | ||
1955 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X; | ||
1956 | if (sourceSize.Width <= 0) | ||
1957 | continue; | ||
1958 | } | ||
1959 | |||
1960 | if (targetPos.Y < clipRect->UpperLeftCorner.Y) | ||
1961 | { | ||
1962 | sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
1963 | if (sourceSize.Height <= 0) | ||
1964 | continue; | ||
1965 | |||
1966 | sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
1967 | targetPos.Y = clipRect->UpperLeftCorner.Y; | ||
1968 | } | ||
1969 | |||
1970 | if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y) | ||
1971 | { | ||
1972 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y; | ||
1973 | if (sourceSize.Height <= 0) | ||
1974 | continue; | ||
1975 | } | ||
1976 | } | ||
1977 | |||
1978 | // clip these coordinates | ||
1979 | |||
1980 | if (targetPos.X<0) | ||
1981 | { | ||
1982 | sourceSize.Width += targetPos.X; | ||
1983 | if (sourceSize.Width <= 0) | ||
1984 | continue; | ||
1985 | |||
1986 | sourcePos.X -= targetPos.X; | ||
1987 | targetPos.X = 0; | ||
1988 | } | ||
1989 | |||
1990 | if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width) | ||
1991 | { | ||
1992 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width; | ||
1993 | if (sourceSize.Width <= 0) | ||
1994 | continue; | ||
1995 | } | ||
1996 | |||
1997 | if (targetPos.Y<0) | ||
1998 | { | ||
1999 | sourceSize.Height += targetPos.Y; | ||
2000 | if (sourceSize.Height <= 0) | ||
2001 | continue; | ||
2002 | |||
2003 | sourcePos.Y -= targetPos.Y; | ||
2004 | targetPos.Y = 0; | ||
2005 | } | ||
2006 | |||
2007 | if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height) | ||
2008 | { | ||
2009 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height; | ||
2010 | if (sourceSize.Height <= 0) | ||
2011 | continue; | ||
2012 | } | ||
2013 | |||
2014 | // ok, we've clipped everything. | ||
2015 | // now draw it. | ||
2016 | |||
2017 | const core::rect<f32> tcoords( | ||
2018 | sourcePos.X * invW, | ||
2019 | sourcePos.Y * invH, | ||
2020 | (sourcePos.X + sourceSize.Width) * invW, | ||
2021 | (sourcePos.Y + sourceSize.Height) * invH); | ||
2022 | |||
2023 | const core::rect<s32> poss(targetPos, sourceSize); | ||
2024 | |||
2025 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2026 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2027 | |||
2028 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2029 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2030 | |||
2031 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2032 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2033 | |||
2034 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2035 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2036 | } | ||
2037 | glEnd(); | ||
2038 | } | ||
2039 | |||
2040 | |||
2041 | //! draws a 2d image, using a color and the alpha channel of the texture if | ||
2042 | //! desired. The image is drawn at pos, clipped against clipRect (if != 0). | ||
2043 | //! Only the subtexture defined by sourceRect is used. | ||
2044 | void COpenGLDriver::draw2DImage(const video::ITexture* texture, | ||
2045 | const core::position2d<s32>& pos, | ||
2046 | const core::rect<s32>& sourceRect, | ||
2047 | const core::rect<s32>* clipRect, SColor color, | ||
2048 | bool useAlphaChannelOfTexture) | ||
2049 | { | ||
2050 | if (!texture) | ||
2051 | return; | ||
2052 | |||
2053 | if (!sourceRect.isValid()) | ||
2054 | return; | ||
2055 | |||
2056 | core::position2d<s32> targetPos(pos); | ||
2057 | core::position2d<s32> sourcePos(sourceRect.UpperLeftCorner); | ||
2058 | // This needs to be signed as it may go negative. | ||
2059 | core::dimension2d<s32> sourceSize(sourceRect.getSize()); | ||
2060 | if (clipRect) | ||
2061 | { | ||
2062 | if (targetPos.X < clipRect->UpperLeftCorner.X) | ||
2063 | { | ||
2064 | sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X; | ||
2065 | if (sourceSize.Width <= 0) | ||
2066 | return; | ||
2067 | |||
2068 | sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X; | ||
2069 | targetPos.X = clipRect->UpperLeftCorner.X; | ||
2070 | } | ||
2071 | |||
2072 | if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X) | ||
2073 | { | ||
2074 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X; | ||
2075 | if (sourceSize.Width <= 0) | ||
2076 | return; | ||
2077 | } | ||
2078 | |||
2079 | if (targetPos.Y < clipRect->UpperLeftCorner.Y) | ||
2080 | { | ||
2081 | sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
2082 | if (sourceSize.Height <= 0) | ||
2083 | return; | ||
2084 | |||
2085 | sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y; | ||
2086 | targetPos.Y = clipRect->UpperLeftCorner.Y; | ||
2087 | } | ||
2088 | |||
2089 | if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y) | ||
2090 | { | ||
2091 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y; | ||
2092 | if (sourceSize.Height <= 0) | ||
2093 | return; | ||
2094 | } | ||
2095 | } | ||
2096 | |||
2097 | // clip these coordinates | ||
2098 | |||
2099 | if (targetPos.X<0) | ||
2100 | { | ||
2101 | sourceSize.Width += targetPos.X; | ||
2102 | if (sourceSize.Width <= 0) | ||
2103 | return; | ||
2104 | |||
2105 | sourcePos.X -= targetPos.X; | ||
2106 | targetPos.X = 0; | ||
2107 | } | ||
2108 | |||
2109 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2110 | |||
2111 | if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width) | ||
2112 | { | ||
2113 | sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width; | ||
2114 | if (sourceSize.Width <= 0) | ||
2115 | return; | ||
2116 | } | ||
2117 | |||
2118 | if (targetPos.Y<0) | ||
2119 | { | ||
2120 | sourceSize.Height += targetPos.Y; | ||
2121 | if (sourceSize.Height <= 0) | ||
2122 | return; | ||
2123 | |||
2124 | sourcePos.Y -= targetPos.Y; | ||
2125 | targetPos.Y = 0; | ||
2126 | } | ||
2127 | |||
2128 | if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height) | ||
2129 | { | ||
2130 | sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height; | ||
2131 | if (sourceSize.Height <= 0) | ||
2132 | return; | ||
2133 | } | ||
2134 | |||
2135 | // ok, we've clipped everything. | ||
2136 | // now draw it. | ||
2137 | |||
2138 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
2139 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
2140 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
2141 | const core::rect<f32> tcoords( | ||
2142 | sourcePos.X * invW, | ||
2143 | sourcePos.Y * invH, | ||
2144 | (sourcePos.X + sourceSize.Width) * invW, | ||
2145 | (sourcePos.Y + sourceSize.Height) * invH); | ||
2146 | |||
2147 | const core::rect<s32> poss(targetPos, sourceSize); | ||
2148 | |||
2149 | disableTextures(1); | ||
2150 | if (!setActiveTexture(0, texture)) | ||
2151 | return; | ||
2152 | setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture); | ||
2153 | |||
2154 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2155 | glBegin(GL_QUADS); | ||
2156 | |||
2157 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2158 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2159 | |||
2160 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2161 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2162 | |||
2163 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2164 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2165 | |||
2166 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2167 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2168 | |||
2169 | glEnd(); | ||
2170 | } | ||
2171 | |||
2172 | |||
2173 | //! The same, but with a four element array of colors, one for each vertex | ||
2174 | void COpenGLDriver::draw2DImage(const video::ITexture* texture, const core::rect<s32>& destRect, | ||
2175 | const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect, | ||
2176 | const video::SColor* const colors, bool useAlphaChannelOfTexture) | ||
2177 | { | ||
2178 | if (!texture) | ||
2179 | return; | ||
2180 | |||
2181 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
2182 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
2183 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
2184 | const core::rect<f32> tcoords( | ||
2185 | sourceRect.UpperLeftCorner.X * invW, | ||
2186 | sourceRect.UpperLeftCorner.Y * invH, | ||
2187 | sourceRect.LowerRightCorner.X * invW, | ||
2188 | sourceRect.LowerRightCorner.Y *invH); | ||
2189 | |||
2190 | const video::SColor temp[4] = | ||
2191 | { | ||
2192 | 0xFFFFFFFF, | ||
2193 | 0xFFFFFFFF, | ||
2194 | 0xFFFFFFFF, | ||
2195 | 0xFFFFFFFF | ||
2196 | }; | ||
2197 | |||
2198 | const video::SColor* const useColor = colors ? colors : temp; | ||
2199 | |||
2200 | disableTextures(1); | ||
2201 | setActiveTexture(0, texture); | ||
2202 | setRenderStates2DMode(useColor[0].getAlpha()<255 || useColor[1].getAlpha()<255 || | ||
2203 | useColor[2].getAlpha()<255 || useColor[3].getAlpha()<255, | ||
2204 | true, useAlphaChannelOfTexture); | ||
2205 | |||
2206 | if (clipRect) | ||
2207 | { | ||
2208 | if (!clipRect->isValid()) | ||
2209 | return; | ||
2210 | |||
2211 | glEnable(GL_SCISSOR_TEST); | ||
2212 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2213 | glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height-clipRect->LowerRightCorner.Y, | ||
2214 | clipRect->getWidth(), clipRect->getHeight()); | ||
2215 | } | ||
2216 | |||
2217 | glBegin(GL_QUADS); | ||
2218 | |||
2219 | glColor4ub(useColor[0].getRed(), useColor[0].getGreen(), useColor[0].getBlue(), useColor[0].getAlpha()); | ||
2220 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2221 | glVertex2f(GLfloat(destRect.UpperLeftCorner.X), GLfloat(destRect.UpperLeftCorner.Y)); | ||
2222 | |||
2223 | glColor4ub(useColor[3].getRed(), useColor[3].getGreen(), useColor[3].getBlue(), useColor[3].getAlpha()); | ||
2224 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2225 | glVertex2f(GLfloat(destRect.LowerRightCorner.X), GLfloat(destRect.UpperLeftCorner.Y)); | ||
2226 | |||
2227 | glColor4ub(useColor[2].getRed(), useColor[2].getGreen(), useColor[2].getBlue(), useColor[2].getAlpha()); | ||
2228 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2229 | glVertex2f(GLfloat(destRect.LowerRightCorner.X), GLfloat(destRect.LowerRightCorner.Y)); | ||
2230 | |||
2231 | glColor4ub(useColor[1].getRed(), useColor[1].getGreen(), useColor[1].getBlue(), useColor[1].getAlpha()); | ||
2232 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2233 | glVertex2f(GLfloat(destRect.UpperLeftCorner.X), GLfloat(destRect.LowerRightCorner.Y)); | ||
2234 | |||
2235 | glEnd(); | ||
2236 | |||
2237 | if (clipRect) | ||
2238 | glDisable(GL_SCISSOR_TEST); | ||
2239 | } | ||
2240 | |||
2241 | |||
2242 | //! draws a set of 2d images, using a color and the alpha channel of the | ||
2243 | //! texture if desired. The images are drawn beginning at pos and concatenated | ||
2244 | //! in one line. All drawings are clipped against clipRect (if != 0). | ||
2245 | //! The subtextures are defined by the array of sourceRects and are chosen | ||
2246 | //! by the indices given. | ||
2247 | void COpenGLDriver::draw2DImage(const video::ITexture* texture, | ||
2248 | const core::position2d<s32>& pos, | ||
2249 | const core::array<core::rect<s32> >& sourceRects, | ||
2250 | const core::array<s32>& indices, | ||
2251 | const core::rect<s32>* clipRect, SColor color, | ||
2252 | bool useAlphaChannelOfTexture) | ||
2253 | { | ||
2254 | if (!texture) | ||
2255 | return; | ||
2256 | |||
2257 | disableTextures(1); | ||
2258 | if (!setActiveTexture(0, texture)) | ||
2259 | return; | ||
2260 | setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture); | ||
2261 | |||
2262 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2263 | if (clipRect) | ||
2264 | { | ||
2265 | if (!clipRect->isValid()) | ||
2266 | return; | ||
2267 | |||
2268 | glEnable(GL_SCISSOR_TEST); | ||
2269 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2270 | glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height-clipRect->LowerRightCorner.Y, | ||
2271 | clipRect->getWidth(),clipRect->getHeight()); | ||
2272 | } | ||
2273 | |||
2274 | const core::dimension2d<u32>& ss = texture->getOriginalSize(); | ||
2275 | core::position2d<s32> targetPos(pos); | ||
2276 | const f32 invW = 1.f / static_cast<f32>(ss.Width); | ||
2277 | const f32 invH = 1.f / static_cast<f32>(ss.Height); | ||
2278 | |||
2279 | for (u32 i=0; i<indices.size(); ++i) | ||
2280 | { | ||
2281 | const s32 currentIndex = indices[i]; | ||
2282 | if (!sourceRects[currentIndex].isValid()) | ||
2283 | break; | ||
2284 | |||
2285 | const core::rect<f32> tcoords( | ||
2286 | sourceRects[currentIndex].UpperLeftCorner.X * invW, | ||
2287 | sourceRects[currentIndex].UpperLeftCorner.Y * invH, | ||
2288 | sourceRects[currentIndex].LowerRightCorner.X * invW, | ||
2289 | sourceRects[currentIndex].LowerRightCorner.Y * invH); | ||
2290 | |||
2291 | const core::rect<s32> poss(targetPos, sourceRects[currentIndex].getSize()); | ||
2292 | |||
2293 | glBegin(GL_QUADS); | ||
2294 | |||
2295 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); | ||
2296 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2297 | |||
2298 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); | ||
2299 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.UpperLeftCorner.Y)); | ||
2300 | |||
2301 | glTexCoord2f(tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); | ||
2302 | glVertex2f(GLfloat(poss.LowerRightCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2303 | |||
2304 | glTexCoord2f(tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); | ||
2305 | glVertex2f(GLfloat(poss.UpperLeftCorner.X), GLfloat(poss.LowerRightCorner.Y)); | ||
2306 | |||
2307 | glEnd(); | ||
2308 | targetPos.X += sourceRects[currentIndex].getWidth(); | ||
2309 | } | ||
2310 | if (clipRect) | ||
2311 | glDisable(GL_SCISSOR_TEST); | ||
2312 | } | ||
2313 | |||
2314 | |||
2315 | //! draw a 2d rectangle | ||
2316 | void COpenGLDriver::draw2DRectangle(SColor color, const core::rect<s32>& position, | ||
2317 | const core::rect<s32>* clip) | ||
2318 | { | ||
2319 | disableTextures(); | ||
2320 | setRenderStates2DMode(color.getAlpha() < 255, false, false); | ||
2321 | |||
2322 | core::rect<s32> pos = position; | ||
2323 | |||
2324 | if (clip) | ||
2325 | pos.clipAgainst(*clip); | ||
2326 | |||
2327 | if (!pos.isValid()) | ||
2328 | return; | ||
2329 | |||
2330 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2331 | glRectf(GLfloat(pos.UpperLeftCorner.X), GLfloat(pos.UpperLeftCorner.Y), | ||
2332 | GLfloat(pos.LowerRightCorner.X), GLfloat(pos.LowerRightCorner.Y)); | ||
2333 | } | ||
2334 | |||
2335 | |||
2336 | //! draw an 2d rectangle | ||
2337 | void COpenGLDriver::draw2DRectangle(const core::rect<s32>& position, | ||
2338 | SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown, | ||
2339 | const core::rect<s32>* clip) | ||
2340 | { | ||
2341 | core::rect<s32> pos = position; | ||
2342 | |||
2343 | if (clip) | ||
2344 | pos.clipAgainst(*clip); | ||
2345 | |||
2346 | if (!pos.isValid()) | ||
2347 | return; | ||
2348 | |||
2349 | disableTextures(); | ||
2350 | |||
2351 | setRenderStates2DMode(colorLeftUp.getAlpha() < 255 || | ||
2352 | colorRightUp.getAlpha() < 255 || | ||
2353 | colorLeftDown.getAlpha() < 255 || | ||
2354 | colorRightDown.getAlpha() < 255, false, false); | ||
2355 | |||
2356 | glBegin(GL_QUADS); | ||
2357 | glColor4ub(colorLeftUp.getRed(), colorLeftUp.getGreen(), | ||
2358 | colorLeftUp.getBlue(), colorLeftUp.getAlpha()); | ||
2359 | glVertex2f(GLfloat(pos.UpperLeftCorner.X), GLfloat(pos.UpperLeftCorner.Y)); | ||
2360 | |||
2361 | glColor4ub(colorRightUp.getRed(), colorRightUp.getGreen(), | ||
2362 | colorRightUp.getBlue(), colorRightUp.getAlpha()); | ||
2363 | glVertex2f(GLfloat(pos.LowerRightCorner.X), GLfloat(pos.UpperLeftCorner.Y)); | ||
2364 | |||
2365 | glColor4ub(colorRightDown.getRed(), colorRightDown.getGreen(), | ||
2366 | colorRightDown.getBlue(), colorRightDown.getAlpha()); | ||
2367 | glVertex2f(GLfloat(pos.LowerRightCorner.X), GLfloat(pos.LowerRightCorner.Y)); | ||
2368 | |||
2369 | glColor4ub(colorLeftDown.getRed(), colorLeftDown.getGreen(), | ||
2370 | colorLeftDown.getBlue(), colorLeftDown.getAlpha()); | ||
2371 | glVertex2f(GLfloat(pos.UpperLeftCorner.X), GLfloat(pos.LowerRightCorner.Y)); | ||
2372 | |||
2373 | glEnd(); | ||
2374 | } | ||
2375 | |||
2376 | |||
2377 | //! Draws a 2d line. | ||
2378 | void COpenGLDriver::draw2DLine(const core::position2d<s32>& start, | ||
2379 | const core::position2d<s32>& end, SColor color) | ||
2380 | { | ||
2381 | if (start==end) | ||
2382 | drawPixel(start.X, start.Y, color); | ||
2383 | else | ||
2384 | { | ||
2385 | disableTextures(); | ||
2386 | setRenderStates2DMode(color.getAlpha() < 255, false, false); | ||
2387 | |||
2388 | glBegin(GL_LINES); | ||
2389 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2390 | GLfloat x=(GLfloat)start.X; | ||
2391 | GLfloat y=(GLfloat)start.Y; | ||
2392 | if (x>end.X) | ||
2393 | x += 0.5f; | ||
2394 | if (y>end.Y) | ||
2395 | y += 0.5f; | ||
2396 | glVertex2f(GLfloat(x), GLfloat(y)); | ||
2397 | x=(GLfloat)end.X; | ||
2398 | y=(GLfloat)end.Y; | ||
2399 | if (x>start.X) | ||
2400 | x += 0.5f; | ||
2401 | if (y>start.Y) | ||
2402 | y += 0.5f; | ||
2403 | glVertex2f(GLfloat(x), GLfloat(y)); | ||
2404 | glEnd(); | ||
2405 | } | ||
2406 | } | ||
2407 | |||
2408 | //! Draws a pixel | ||
2409 | void COpenGLDriver::drawPixel(u32 x, u32 y, const SColor &color) | ||
2410 | { | ||
2411 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
2412 | if (x > (u32)renderTargetSize.Width || y > (u32)renderTargetSize.Height) | ||
2413 | return; | ||
2414 | |||
2415 | disableTextures(); | ||
2416 | setRenderStates2DMode(color.getAlpha() < 255, false, false); | ||
2417 | |||
2418 | glBegin(GL_POINTS); | ||
2419 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
2420 | glVertex2i(x, y); | ||
2421 | glEnd(); | ||
2422 | } | ||
2423 | |||
2424 | bool COpenGLDriver::setActiveTexture(u32 stage, const video::ITexture* texture) | ||
2425 | { | ||
2426 | if (stage >= MaxSupportedTextures) | ||
2427 | return false; | ||
2428 | |||
2429 | if (CurrentTexture[stage]==texture) | ||
2430 | return true; | ||
2431 | |||
2432 | if (MultiTextureExtension) | ||
2433 | extGlActiveTexture(GL_TEXTURE0_ARB + stage); | ||
2434 | |||
2435 | CurrentTexture.set(stage,texture); | ||
2436 | |||
2437 | if (!texture) | ||
2438 | { | ||
2439 | glDisable(GL_TEXTURE_2D); | ||
2440 | return true; | ||
2441 | } | ||
2442 | else | ||
2443 | { | ||
2444 | if (texture->getDriverType() != EDT_OPENGL) | ||
2445 | { | ||
2446 | glDisable(GL_TEXTURE_2D); | ||
2447 | CurrentTexture.set(stage, 0); | ||
2448 | os::Printer::log("Fatal Error: Tried to set a texture not owned by this driver.", ELL_ERROR); | ||
2449 | return false; | ||
2450 | } | ||
2451 | |||
2452 | glEnable(GL_TEXTURE_2D); | ||
2453 | glBindTexture(GL_TEXTURE_2D, | ||
2454 | static_cast<const COpenGLTexture*>(texture)->getOpenGLTextureName()); | ||
2455 | } | ||
2456 | return true; | ||
2457 | } | ||
2458 | |||
2459 | |||
2460 | //! disables all textures beginning with the optional fromStage parameter. Otherwise all texture stages are disabled. | ||
2461 | //! Returns whether disabling was successful or not. | ||
2462 | bool COpenGLDriver::disableTextures(u32 fromStage) | ||
2463 | { | ||
2464 | bool result=true; | ||
2465 | for (u32 i=fromStage; i<MaxSupportedTextures; ++i) | ||
2466 | result &= setActiveTexture(i, 0); | ||
2467 | return result; | ||
2468 | } | ||
2469 | |||
2470 | |||
2471 | //! creates a matrix in supplied GLfloat array to pass to OpenGL | ||
2472 | inline void COpenGLDriver::getGLMatrix(GLfloat gl_matrix[16], const core::matrix4& m) | ||
2473 | { | ||
2474 | memcpy(gl_matrix, m.pointer(), 16 * sizeof(f32)); | ||
2475 | } | ||
2476 | |||
2477 | |||
2478 | //! creates a opengltexturematrix from a D3D style texture matrix | ||
2479 | inline void COpenGLDriver::getGLTextureMatrix(GLfloat *o, const core::matrix4& m) | ||
2480 | { | ||
2481 | o[0] = m[0]; | ||
2482 | o[1] = m[1]; | ||
2483 | o[2] = 0.f; | ||
2484 | o[3] = 0.f; | ||
2485 | |||
2486 | o[4] = m[4]; | ||
2487 | o[5] = m[5]; | ||
2488 | o[6] = 0.f; | ||
2489 | o[7] = 0.f; | ||
2490 | |||
2491 | o[8] = 0.f; | ||
2492 | o[9] = 0.f; | ||
2493 | o[10] = 1.f; | ||
2494 | o[11] = 0.f; | ||
2495 | |||
2496 | o[12] = m[8]; | ||
2497 | o[13] = m[9]; | ||
2498 | o[14] = 0.f; | ||
2499 | o[15] = 1.f; | ||
2500 | } | ||
2501 | |||
2502 | |||
2503 | //! returns a device dependent texture from a software surface (IImage) | ||
2504 | video::ITexture* COpenGLDriver::createDeviceDependentTexture(IImage* surface, const io::path& name, void* mipmapData) | ||
2505 | { | ||
2506 | return new COpenGLTexture(surface, name, mipmapData, this); | ||
2507 | } | ||
2508 | |||
2509 | |||
2510 | //! Sets a material. All 3d drawing functions draw geometry now using this material. | ||
2511 | void COpenGLDriver::setMaterial(const SMaterial& material) | ||
2512 | { | ||
2513 | Material = material; | ||
2514 | OverrideMaterial.apply(Material); | ||
2515 | |||
2516 | for (s32 i = MaxTextureUnits-1; i>= 0; --i) | ||
2517 | { | ||
2518 | setActiveTexture(i, material.getTexture(i)); | ||
2519 | setTransform ((E_TRANSFORMATION_STATE) (ETS_TEXTURE_0 + i), | ||
2520 | Material.getTextureMatrix(i)); | ||
2521 | } | ||
2522 | } | ||
2523 | |||
2524 | |||
2525 | //! prints error if an error happened. | ||
2526 | bool COpenGLDriver::testGLError() | ||
2527 | { | ||
2528 | #ifdef _DEBUG | ||
2529 | GLenum g = glGetError(); | ||
2530 | switch (g) | ||
2531 | { | ||
2532 | case GL_NO_ERROR: | ||
2533 | return false; | ||
2534 | case GL_INVALID_ENUM: | ||
2535 | os::Printer::log("GL_INVALID_ENUM", ELL_ERROR); break; | ||
2536 | case GL_INVALID_VALUE: | ||
2537 | os::Printer::log("GL_INVALID_VALUE", ELL_ERROR); break; | ||
2538 | case GL_INVALID_OPERATION: | ||
2539 | os::Printer::log("GL_INVALID_OPERATION", ELL_ERROR); break; | ||
2540 | case GL_STACK_OVERFLOW: | ||
2541 | os::Printer::log("GL_STACK_OVERFLOW", ELL_ERROR); break; | ||
2542 | case GL_STACK_UNDERFLOW: | ||
2543 | os::Printer::log("GL_STACK_UNDERFLOW", ELL_ERROR); break; | ||
2544 | case GL_OUT_OF_MEMORY: | ||
2545 | os::Printer::log("GL_OUT_OF_MEMORY", ELL_ERROR); break; | ||
2546 | case GL_TABLE_TOO_LARGE: | ||
2547 | os::Printer::log("GL_TABLE_TOO_LARGE", ELL_ERROR); break; | ||
2548 | #if defined(GL_EXT_framebuffer_object) | ||
2549 | case GL_INVALID_FRAMEBUFFER_OPERATION_EXT: | ||
2550 | os::Printer::log("GL_INVALID_FRAMEBUFFER_OPERATION", ELL_ERROR); break; | ||
2551 | #endif | ||
2552 | }; | ||
2553 | // _IRR_DEBUG_BREAK_IF(true); | ||
2554 | return true; | ||
2555 | #else | ||
2556 | return false; | ||
2557 | #endif | ||
2558 | } | ||
2559 | |||
2560 | |||
2561 | //! sets the needed renderstates | ||
2562 | void COpenGLDriver::setRenderStates3DMode() | ||
2563 | { | ||
2564 | if (CurrentRenderMode != ERM_3D) | ||
2565 | { | ||
2566 | // Reset Texture Stages | ||
2567 | glDisable(GL_BLEND); | ||
2568 | glDisable(GL_ALPHA_TEST); | ||
2569 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | ||
2570 | |||
2571 | // switch back the matrices | ||
2572 | glMatrixMode(GL_MODELVIEW); | ||
2573 | glLoadMatrixf((Matrices[ETS_VIEW] * Matrices[ETS_WORLD]).pointer()); | ||
2574 | |||
2575 | glMatrixMode(GL_PROJECTION); | ||
2576 | glLoadMatrixf(Matrices[ETS_PROJECTION].pointer()); | ||
2577 | |||
2578 | ResetRenderStates = true; | ||
2579 | #ifdef GL_EXT_clip_volume_hint | ||
2580 | if (FeatureAvailable[IRR_EXT_clip_volume_hint]) | ||
2581 | glHint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT, GL_NICEST); | ||
2582 | #endif | ||
2583 | } | ||
2584 | |||
2585 | if (ResetRenderStates || LastMaterial != Material) | ||
2586 | { | ||
2587 | // unset old material | ||
2588 | |||
2589 | if (LastMaterial.MaterialType != Material.MaterialType && | ||
2590 | static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size()) | ||
2591 | MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); | ||
2592 | |||
2593 | // set new material. | ||
2594 | if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size()) | ||
2595 | MaterialRenderers[Material.MaterialType].Renderer->OnSetMaterial( | ||
2596 | Material, LastMaterial, ResetRenderStates, this); | ||
2597 | |||
2598 | LastMaterial = Material; | ||
2599 | ResetRenderStates = false; | ||
2600 | } | ||
2601 | |||
2602 | if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size()) | ||
2603 | MaterialRenderers[Material.MaterialType].Renderer->OnRender(this, video::EVT_STANDARD); | ||
2604 | |||
2605 | CurrentRenderMode = ERM_3D; | ||
2606 | } | ||
2607 | |||
2608 | |||
2609 | //! Get native wrap mode value | ||
2610 | GLint COpenGLDriver::getTextureWrapMode(const u8 clamp) | ||
2611 | { | ||
2612 | GLint mode=GL_REPEAT; | ||
2613 | switch (clamp) | ||
2614 | { | ||
2615 | case ETC_REPEAT: | ||
2616 | mode=GL_REPEAT; | ||
2617 | break; | ||
2618 | case ETC_CLAMP: | ||
2619 | mode=GL_CLAMP; | ||
2620 | break; | ||
2621 | case ETC_CLAMP_TO_EDGE: | ||
2622 | #ifdef GL_VERSION_1_2 | ||
2623 | if (Version>101) | ||
2624 | mode=GL_CLAMP_TO_EDGE; | ||
2625 | else | ||
2626 | #endif | ||
2627 | #ifdef GL_SGIS_texture_edge_clamp | ||
2628 | if (FeatureAvailable[IRR_SGIS_texture_edge_clamp]) | ||
2629 | mode=GL_CLAMP_TO_EDGE_SGIS; | ||
2630 | else | ||
2631 | #endif | ||
2632 | // fallback | ||
2633 | mode=GL_CLAMP; | ||
2634 | break; | ||
2635 | case ETC_CLAMP_TO_BORDER: | ||
2636 | #ifdef GL_VERSION_1_3 | ||
2637 | if (Version>102) | ||
2638 | mode=GL_CLAMP_TO_BORDER; | ||
2639 | else | ||
2640 | #endif | ||
2641 | #ifdef GL_ARB_texture_border_clamp | ||
2642 | if (FeatureAvailable[IRR_ARB_texture_border_clamp]) | ||
2643 | mode=GL_CLAMP_TO_BORDER_ARB; | ||
2644 | else | ||
2645 | #endif | ||
2646 | #ifdef GL_SGIS_texture_border_clamp | ||
2647 | if (FeatureAvailable[IRR_SGIS_texture_border_clamp]) | ||
2648 | mode=GL_CLAMP_TO_BORDER_SGIS; | ||
2649 | else | ||
2650 | #endif | ||
2651 | // fallback | ||
2652 | mode=GL_CLAMP; | ||
2653 | break; | ||
2654 | case ETC_MIRROR: | ||
2655 | #ifdef GL_VERSION_1_4 | ||
2656 | if (Version>103) | ||
2657 | mode=GL_MIRRORED_REPEAT; | ||
2658 | else | ||
2659 | #endif | ||
2660 | #ifdef GL_ARB_texture_border_clamp | ||
2661 | if (FeatureAvailable[IRR_ARB_texture_mirrored_repeat]) | ||
2662 | mode=GL_MIRRORED_REPEAT_ARB; | ||
2663 | else | ||
2664 | #endif | ||
2665 | #ifdef GL_IBM_texture_mirrored_repeat | ||
2666 | if (FeatureAvailable[IRR_IBM_texture_mirrored_repeat]) | ||
2667 | mode=GL_MIRRORED_REPEAT_IBM; | ||
2668 | else | ||
2669 | #endif | ||
2670 | mode=GL_REPEAT; | ||
2671 | break; | ||
2672 | case ETC_MIRROR_CLAMP: | ||
2673 | #ifdef GL_EXT_texture_mirror_clamp | ||
2674 | if (FeatureAvailable[IRR_EXT_texture_mirror_clamp]) | ||
2675 | mode=GL_MIRROR_CLAMP_EXT; | ||
2676 | else | ||
2677 | #endif | ||
2678 | #if defined(GL_ATI_texture_mirror_once) | ||
2679 | if (FeatureAvailable[IRR_ATI_texture_mirror_once]) | ||
2680 | mode=GL_MIRROR_CLAMP_ATI; | ||
2681 | else | ||
2682 | #endif | ||
2683 | mode=GL_CLAMP; | ||
2684 | break; | ||
2685 | case ETC_MIRROR_CLAMP_TO_EDGE: | ||
2686 | #ifdef GL_EXT_texture_mirror_clamp | ||
2687 | if (FeatureAvailable[IRR_EXT_texture_mirror_clamp]) | ||
2688 | mode=GL_MIRROR_CLAMP_TO_EDGE_EXT; | ||
2689 | else | ||
2690 | #endif | ||
2691 | #if defined(GL_ATI_texture_mirror_once) | ||
2692 | if (FeatureAvailable[IRR_ATI_texture_mirror_once]) | ||
2693 | mode=GL_MIRROR_CLAMP_TO_EDGE_ATI; | ||
2694 | else | ||
2695 | #endif | ||
2696 | mode=GL_CLAMP; | ||
2697 | break; | ||
2698 | case ETC_MIRROR_CLAMP_TO_BORDER: | ||
2699 | #ifdef GL_EXT_texture_mirror_clamp | ||
2700 | if (FeatureAvailable[IRR_EXT_texture_mirror_clamp]) | ||
2701 | mode=GL_MIRROR_CLAMP_TO_BORDER_EXT; | ||
2702 | else | ||
2703 | #endif | ||
2704 | mode=GL_CLAMP; | ||
2705 | break; | ||
2706 | } | ||
2707 | return mode; | ||
2708 | } | ||
2709 | |||
2710 | |||
2711 | void COpenGLDriver::setWrapMode(const SMaterial& material) | ||
2712 | { | ||
2713 | // texture address mode | ||
2714 | // Has to be checked always because it depends on the textures | ||
2715 | for (u32 u=0; u<MaxTextureUnits; ++u) | ||
2716 | { | ||
2717 | if (!CurrentTexture[u]) | ||
2718 | continue; | ||
2719 | if (MultiTextureExtension) | ||
2720 | extGlActiveTexture(GL_TEXTURE0_ARB + u); | ||
2721 | else if (u>0) | ||
2722 | break; // stop loop | ||
2723 | |||
2724 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, getTextureWrapMode(material.TextureLayer[u].TextureWrapU)); | ||
2725 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, getTextureWrapMode(material.TextureLayer[u].TextureWrapV)); | ||
2726 | } | ||
2727 | } | ||
2728 | |||
2729 | |||
2730 | //! Can be called by an IMaterialRenderer to make its work easier. | ||
2731 | void COpenGLDriver::setBasicRenderStates(const SMaterial& material, const SMaterial& lastmaterial, | ||
2732 | bool resetAllRenderStates) | ||
2733 | { | ||
2734 | if (resetAllRenderStates || | ||
2735 | lastmaterial.ColorMaterial != material.ColorMaterial) | ||
2736 | { | ||
2737 | switch (material.ColorMaterial) | ||
2738 | { | ||
2739 | case ECM_NONE: | ||
2740 | glDisable(GL_COLOR_MATERIAL); | ||
2741 | break; | ||
2742 | case ECM_DIFFUSE: | ||
2743 | glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE); | ||
2744 | break; | ||
2745 | case ECM_AMBIENT: | ||
2746 | glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT); | ||
2747 | break; | ||
2748 | case ECM_EMISSIVE: | ||
2749 | glColorMaterial(GL_FRONT_AND_BACK, GL_EMISSION); | ||
2750 | break; | ||
2751 | case ECM_SPECULAR: | ||
2752 | glColorMaterial(GL_FRONT_AND_BACK, GL_SPECULAR); | ||
2753 | break; | ||
2754 | case ECM_DIFFUSE_AND_AMBIENT: | ||
2755 | glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); | ||
2756 | break; | ||
2757 | } | ||
2758 | if (material.ColorMaterial != ECM_NONE) | ||
2759 | glEnable(GL_COLOR_MATERIAL); | ||
2760 | } | ||
2761 | |||
2762 | if (resetAllRenderStates || | ||
2763 | lastmaterial.AmbientColor != material.AmbientColor || | ||
2764 | lastmaterial.DiffuseColor != material.DiffuseColor || | ||
2765 | lastmaterial.EmissiveColor != material.EmissiveColor || | ||
2766 | lastmaterial.ColorMaterial != material.ColorMaterial) | ||
2767 | { | ||
2768 | GLfloat color[4]; | ||
2769 | |||
2770 | const f32 inv = 1.0f / 255.0f; | ||
2771 | |||
2772 | if ((material.ColorMaterial != video::ECM_AMBIENT) && | ||
2773 | (material.ColorMaterial != video::ECM_DIFFUSE_AND_AMBIENT)) | ||
2774 | { | ||
2775 | color[0] = material.AmbientColor.getRed() * inv; | ||
2776 | color[1] = material.AmbientColor.getGreen() * inv; | ||
2777 | color[2] = material.AmbientColor.getBlue() * inv; | ||
2778 | color[3] = material.AmbientColor.getAlpha() * inv; | ||
2779 | glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color); | ||
2780 | } | ||
2781 | |||
2782 | if ((material.ColorMaterial != video::ECM_DIFFUSE) && | ||
2783 | (material.ColorMaterial != video::ECM_DIFFUSE_AND_AMBIENT)) | ||
2784 | { | ||
2785 | color[0] = material.DiffuseColor.getRed() * inv; | ||
2786 | color[1] = material.DiffuseColor.getGreen() * inv; | ||
2787 | color[2] = material.DiffuseColor.getBlue() * inv; | ||
2788 | color[3] = material.DiffuseColor.getAlpha() * inv; | ||
2789 | glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color); | ||
2790 | } | ||
2791 | |||
2792 | if (material.ColorMaterial != video::ECM_EMISSIVE) | ||
2793 | { | ||
2794 | color[0] = material.EmissiveColor.getRed() * inv; | ||
2795 | color[1] = material.EmissiveColor.getGreen() * inv; | ||
2796 | color[2] = material.EmissiveColor.getBlue() * inv; | ||
2797 | color[3] = material.EmissiveColor.getAlpha() * inv; | ||
2798 | glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, color); | ||
2799 | } | ||
2800 | } | ||
2801 | |||
2802 | if (resetAllRenderStates || | ||
2803 | lastmaterial.SpecularColor != material.SpecularColor || | ||
2804 | lastmaterial.Shininess != material.Shininess || | ||
2805 | lastmaterial.ColorMaterial != material.ColorMaterial) | ||
2806 | { | ||
2807 | GLfloat color[4]={0.f,0.f,0.f,1.f}; | ||
2808 | const f32 inv = 1.0f / 255.0f; | ||
2809 | |||
2810 | glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, material.Shininess); | ||
2811 | // disable Specular colors if no shininess is set | ||
2812 | if ((material.Shininess != 0.0f) && | ||
2813 | (material.ColorMaterial != video::ECM_SPECULAR)) | ||
2814 | { | ||
2815 | #ifdef GL_EXT_separate_specular_color | ||
2816 | if (FeatureAvailable[IRR_EXT_separate_specular_color]) | ||
2817 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR); | ||
2818 | #endif | ||
2819 | color[0] = material.SpecularColor.getRed() * inv; | ||
2820 | color[1] = material.SpecularColor.getGreen() * inv; | ||
2821 | color[2] = material.SpecularColor.getBlue() * inv; | ||
2822 | color[3] = material.SpecularColor.getAlpha() * inv; | ||
2823 | } | ||
2824 | #ifdef GL_EXT_separate_specular_color | ||
2825 | else if (FeatureAvailable[IRR_EXT_separate_specular_color]) | ||
2826 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR); | ||
2827 | #endif | ||
2828 | glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color); | ||
2829 | } | ||
2830 | |||
2831 | // Texture filter | ||
2832 | // Has to be checked always because it depends on the textures | ||
2833 | // Filtering has to be set for each texture layer | ||
2834 | for (u32 i=0; i<MaxTextureUnits; ++i) | ||
2835 | { | ||
2836 | if (!CurrentTexture[i]) | ||
2837 | continue; | ||
2838 | if (MultiTextureExtension) | ||
2839 | extGlActiveTexture(GL_TEXTURE0_ARB + i); | ||
2840 | else if (i>0) | ||
2841 | break; | ||
2842 | |||
2843 | #ifdef GL_EXT_texture_lod_bias | ||
2844 | if (FeatureAvailable[IRR_EXT_texture_lod_bias]) | ||
2845 | { | ||
2846 | if (material.TextureLayer[i].LODBias) | ||
2847 | { | ||
2848 | const float tmp = core::clamp(material.TextureLayer[i].LODBias * 0.125f, -MaxTextureLODBias, MaxTextureLODBias); | ||
2849 | glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, tmp); | ||
2850 | } | ||
2851 | else | ||
2852 | glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.f); | ||
2853 | } | ||
2854 | #endif | ||
2855 | |||
2856 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, | ||
2857 | (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); | ||
2858 | |||
2859 | if (material.UseMipMaps && CurrentTexture[i]->hasMipMaps()) | ||
2860 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, | ||
2861 | material.TextureLayer[i].TrilinearFilter ? GL_LINEAR_MIPMAP_LINEAR : | ||
2862 | material.TextureLayer[i].BilinearFilter ? GL_LINEAR_MIPMAP_NEAREST : | ||
2863 | GL_NEAREST_MIPMAP_NEAREST); | ||
2864 | else | ||
2865 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, | ||
2866 | (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); | ||
2867 | |||
2868 | #ifdef GL_EXT_texture_filter_anisotropic | ||
2869 | if (FeatureAvailable[IRR_EXT_texture_filter_anisotropic]) | ||
2870 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, | ||
2871 | material.TextureLayer[i].AnisotropicFilter>1 ? core::min_(MaxAnisotropy, material.TextureLayer[i].AnisotropicFilter) : 1); | ||
2872 | #endif | ||
2873 | } | ||
2874 | |||
2875 | // fillmode | ||
2876 | if (resetAllRenderStates || (lastmaterial.Wireframe != material.Wireframe) || (lastmaterial.PointCloud != material.PointCloud)) | ||
2877 | glPolygonMode(GL_FRONT_AND_BACK, material.Wireframe ? GL_LINE : material.PointCloud? GL_POINT : GL_FILL); | ||
2878 | |||
2879 | // shademode | ||
2880 | if (resetAllRenderStates || (lastmaterial.GouraudShading != material.GouraudShading)) | ||
2881 | { | ||
2882 | if (material.GouraudShading) | ||
2883 | glShadeModel(GL_SMOOTH); | ||
2884 | else | ||
2885 | glShadeModel(GL_FLAT); | ||
2886 | } | ||
2887 | |||
2888 | // lighting | ||
2889 | if (resetAllRenderStates || (lastmaterial.Lighting != material.Lighting)) | ||
2890 | { | ||
2891 | if (material.Lighting) | ||
2892 | glEnable(GL_LIGHTING); | ||
2893 | else | ||
2894 | glDisable(GL_LIGHTING); | ||
2895 | } | ||
2896 | |||
2897 | // zbuffer | ||
2898 | if (resetAllRenderStates || lastmaterial.ZBuffer != material.ZBuffer) | ||
2899 | { | ||
2900 | switch (material.ZBuffer) | ||
2901 | { | ||
2902 | case ECFN_NEVER: | ||
2903 | glDisable(GL_DEPTH_TEST); | ||
2904 | break; | ||
2905 | case ECFN_LESSEQUAL: | ||
2906 | glEnable(GL_DEPTH_TEST); | ||
2907 | glDepthFunc(GL_LEQUAL); | ||
2908 | break; | ||
2909 | case ECFN_EQUAL: | ||
2910 | glEnable(GL_DEPTH_TEST); | ||
2911 | glDepthFunc(GL_EQUAL); | ||
2912 | break; | ||
2913 | case ECFN_LESS: | ||
2914 | glEnable(GL_DEPTH_TEST); | ||
2915 | glDepthFunc(GL_LESS); | ||
2916 | break; | ||
2917 | case ECFN_NOTEQUAL: | ||
2918 | glEnable(GL_DEPTH_TEST); | ||
2919 | glDepthFunc(GL_NOTEQUAL); | ||
2920 | break; | ||
2921 | case ECFN_GREATEREQUAL: | ||
2922 | glEnable(GL_DEPTH_TEST); | ||
2923 | glDepthFunc(GL_GEQUAL); | ||
2924 | break; | ||
2925 | case ECFN_GREATER: | ||
2926 | glEnable(GL_DEPTH_TEST); | ||
2927 | glDepthFunc(GL_GREATER); | ||
2928 | break; | ||
2929 | case ECFN_ALWAYS: | ||
2930 | glEnable(GL_DEPTH_TEST); | ||
2931 | glDepthFunc(GL_ALWAYS); | ||
2932 | break; | ||
2933 | } | ||
2934 | } | ||
2935 | |||
2936 | // zwrite | ||
2937 | // if (resetAllRenderStates || lastmaterial.ZWriteEnable != material.ZWriteEnable) | ||
2938 | { | ||
2939 | if (material.ZWriteEnable && (AllowZWriteOnTransparent || !material.isTransparent())) | ||
2940 | { | ||
2941 | glDepthMask(GL_TRUE); | ||
2942 | } | ||
2943 | else | ||
2944 | glDepthMask(GL_FALSE); | ||
2945 | } | ||
2946 | |||
2947 | // back face culling | ||
2948 | if (resetAllRenderStates || (lastmaterial.FrontfaceCulling != material.FrontfaceCulling) || (lastmaterial.BackfaceCulling != material.BackfaceCulling)) | ||
2949 | { | ||
2950 | if ((material.FrontfaceCulling) && (material.BackfaceCulling)) | ||
2951 | { | ||
2952 | glCullFace(GL_FRONT_AND_BACK); | ||
2953 | glEnable(GL_CULL_FACE); | ||
2954 | } | ||
2955 | else | ||
2956 | if (material.BackfaceCulling) | ||
2957 | { | ||
2958 | glCullFace(GL_BACK); | ||
2959 | glEnable(GL_CULL_FACE); | ||
2960 | } | ||
2961 | else | ||
2962 | if (material.FrontfaceCulling) | ||
2963 | { | ||
2964 | glCullFace(GL_FRONT); | ||
2965 | glEnable(GL_CULL_FACE); | ||
2966 | } | ||
2967 | else | ||
2968 | glDisable(GL_CULL_FACE); | ||
2969 | } | ||
2970 | |||
2971 | // fog | ||
2972 | if (resetAllRenderStates || lastmaterial.FogEnable != material.FogEnable) | ||
2973 | { | ||
2974 | if (material.FogEnable) | ||
2975 | glEnable(GL_FOG); | ||
2976 | else | ||
2977 | glDisable(GL_FOG); | ||
2978 | } | ||
2979 | |||
2980 | // normalization | ||
2981 | if (resetAllRenderStates || lastmaterial.NormalizeNormals != material.NormalizeNormals) | ||
2982 | { | ||
2983 | if (material.NormalizeNormals) | ||
2984 | glEnable(GL_NORMALIZE); | ||
2985 | else | ||
2986 | glDisable(GL_NORMALIZE); | ||
2987 | } | ||
2988 | |||
2989 | // Color Mask | ||
2990 | if (resetAllRenderStates || lastmaterial.ColorMask != material.ColorMask) | ||
2991 | { | ||
2992 | glColorMask( | ||
2993 | (material.ColorMask & ECP_RED)?GL_TRUE:GL_FALSE, | ||
2994 | (material.ColorMask & ECP_GREEN)?GL_TRUE:GL_FALSE, | ||
2995 | (material.ColorMask & ECP_BLUE)?GL_TRUE:GL_FALSE, | ||
2996 | (material.ColorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE); | ||
2997 | } | ||
2998 | |||
2999 | if (queryFeature(EVDF_BLEND_OPERATIONS) && | ||
3000 | (resetAllRenderStates|| lastmaterial.BlendOperation != material.BlendOperation)) | ||
3001 | { | ||
3002 | if (material.BlendOperation==EBO_NONE) | ||
3003 | glDisable(GL_BLEND); | ||
3004 | else | ||
3005 | { | ||
3006 | glEnable(GL_BLEND); | ||
3007 | #if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op) || defined(GL_VERSION_1_2) | ||
3008 | switch (material.BlendOperation) | ||
3009 | { | ||
3010 | case EBO_SUBTRACT: | ||
3011 | #if defined(GL_EXT_blend_subtract) | ||
3012 | if (FeatureAvailable[IRR_EXT_blend_subtract] || (Version>=120)) | ||
3013 | extGlBlendEquation(GL_FUNC_SUBTRACT_EXT); | ||
3014 | #elif defined(GL_VERSION_1_2) | ||
3015 | if (Version>=120) | ||
3016 | extGlBlendEquation(GL_FUNC_SUBTRACT); | ||
3017 | #endif | ||
3018 | break; | ||
3019 | case EBO_REVSUBTRACT: | ||
3020 | #if defined(GL_EXT_blend_subtract) | ||
3021 | if (FeatureAvailable[IRR_EXT_blend_subtract] || (Version>=120)) | ||
3022 | extGlBlendEquation(GL_FUNC_REVERSE_SUBTRACT_EXT); | ||
3023 | #elif defined(GL_VERSION_1_2) | ||
3024 | if (Version>=120) | ||
3025 | extGlBlendEquation(GL_FUNC_REVERSE_SUBTRACT); | ||
3026 | #endif | ||
3027 | break; | ||
3028 | case EBO_MIN: | ||
3029 | #if defined(GL_EXT_blend_minmax) | ||
3030 | if (FeatureAvailable[IRR_EXT_blend_minmax] || (Version>=120)) | ||
3031 | extGlBlendEquation(GL_MIN_EXT); | ||
3032 | #elif defined(GL_VERSION_1_2) | ||
3033 | if (Version>=120) | ||
3034 | extGlBlendEquation(GL_MIN); | ||
3035 | #endif | ||
3036 | break; | ||
3037 | case EBO_MAX: | ||
3038 | #if defined(GL_EXT_blend_minmax) | ||
3039 | if (FeatureAvailable[IRR_EXT_blend_minmax] || (Version>=120)) | ||
3040 | extGlBlendEquation(GL_MAX_EXT); | ||
3041 | #elif defined(GL_VERSION_1_2) | ||
3042 | if (Version>=120) | ||
3043 | extGlBlendEquation(GL_MAX); | ||
3044 | #endif | ||
3045 | break; | ||
3046 | case EBO_MIN_FACTOR: | ||
3047 | #if defined(GL_AMD_blend_minmax_factor) | ||
3048 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
3049 | extGlBlendEquation(GL_FACTOR_MIN_AMD); | ||
3050 | #endif | ||
3051 | // fallback in case of missing extension | ||
3052 | #if defined(GL_VERSION_1_2) | ||
3053 | #if defined(GL_AMD_blend_minmax_factor) | ||
3054 | else | ||
3055 | #endif | ||
3056 | if (Version>=120) | ||
3057 | extGlBlendEquation(GL_MIN); | ||
3058 | #endif | ||
3059 | break; | ||
3060 | case EBO_MAX_FACTOR: | ||
3061 | #if defined(GL_AMD_blend_minmax_factor) | ||
3062 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
3063 | extGlBlendEquation(GL_FACTOR_MAX_AMD); | ||
3064 | #endif | ||
3065 | // fallback in case of missing extension | ||
3066 | #if defined(GL_VERSION_1_2) | ||
3067 | #if defined(GL_AMD_blend_minmax_factor) | ||
3068 | else | ||
3069 | #endif | ||
3070 | if (Version>=120) | ||
3071 | extGlBlendEquation(GL_MAX); | ||
3072 | #endif | ||
3073 | break; | ||
3074 | case EBO_MIN_ALPHA: | ||
3075 | #if defined(GL_SGIX_blend_alpha_minmax) | ||
3076 | if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax]) | ||
3077 | extGlBlendEquation(GL_ALPHA_MIN_SGIX); | ||
3078 | // fallback in case of missing extension | ||
3079 | else | ||
3080 | if (FeatureAvailable[IRR_EXT_blend_minmax]) | ||
3081 | extGlBlendEquation(GL_MIN_EXT); | ||
3082 | #endif | ||
3083 | break; | ||
3084 | case EBO_MAX_ALPHA: | ||
3085 | #if defined(GL_SGIX_blend_alpha_minmax) | ||
3086 | if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax]) | ||
3087 | extGlBlendEquation(GL_ALPHA_MAX_SGIX); | ||
3088 | // fallback in case of missing extension | ||
3089 | else | ||
3090 | if (FeatureAvailable[IRR_EXT_blend_minmax]) | ||
3091 | extGlBlendEquation(GL_MAX_EXT); | ||
3092 | #endif | ||
3093 | break; | ||
3094 | default: | ||
3095 | #if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op) | ||
3096 | extGlBlendEquation(GL_FUNC_ADD_EXT); | ||
3097 | #elif defined(GL_VERSION_1_2) | ||
3098 | extGlBlendEquation(GL_FUNC_ADD); | ||
3099 | #endif | ||
3100 | break; | ||
3101 | } | ||
3102 | #endif | ||
3103 | } | ||
3104 | } | ||
3105 | |||
3106 | // Polygon Offset | ||
3107 | if (queryFeature(EVDF_POLYGON_OFFSET) && (resetAllRenderStates || | ||
3108 | lastmaterial.PolygonOffsetDirection != material.PolygonOffsetDirection || | ||
3109 | lastmaterial.PolygonOffsetFactor != material.PolygonOffsetFactor)) | ||
3110 | { | ||
3111 | glDisable(lastmaterial.Wireframe?GL_POLYGON_OFFSET_LINE:lastmaterial.PointCloud?GL_POLYGON_OFFSET_POINT:GL_POLYGON_OFFSET_FILL); | ||
3112 | if (material.PolygonOffsetFactor) | ||
3113 | { | ||
3114 | glDisable(material.Wireframe?GL_POLYGON_OFFSET_LINE:material.PointCloud?GL_POLYGON_OFFSET_POINT:GL_POLYGON_OFFSET_FILL); | ||
3115 | glEnable(material.Wireframe?GL_POLYGON_OFFSET_LINE:material.PointCloud?GL_POLYGON_OFFSET_POINT:GL_POLYGON_OFFSET_FILL); | ||
3116 | } | ||
3117 | if (material.PolygonOffsetDirection==EPO_BACK) | ||
3118 | glPolygonOffset(1.0f, (GLfloat)material.PolygonOffsetFactor); | ||
3119 | else | ||
3120 | glPolygonOffset(-1.0f, (GLfloat)-material.PolygonOffsetFactor); | ||
3121 | } | ||
3122 | |||
3123 | // thickness | ||
3124 | if (resetAllRenderStates || lastmaterial.Thickness != material.Thickness) | ||
3125 | { | ||
3126 | if (AntiAlias) | ||
3127 | { | ||
3128 | // glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimSmoothedPoint[0], DimSmoothedPoint[1])); | ||
3129 | // we don't use point smoothing | ||
3130 | glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedPoint[0], DimAliasedPoint[1])); | ||
3131 | glLineWidth(core::clamp(static_cast<GLfloat>(material.Thickness), DimSmoothedLine[0], DimSmoothedLine[1])); | ||
3132 | } | ||
3133 | else | ||
3134 | { | ||
3135 | glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedPoint[0], DimAliasedPoint[1])); | ||
3136 | glLineWidth(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedLine[0], DimAliasedLine[1])); | ||
3137 | } | ||
3138 | } | ||
3139 | |||
3140 | // Anti aliasing | ||
3141 | if (resetAllRenderStates || lastmaterial.AntiAliasing != material.AntiAliasing) | ||
3142 | { | ||
3143 | if (FeatureAvailable[IRR_ARB_multisample]) | ||
3144 | { | ||
3145 | if (material.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) | ||
3146 | glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB); | ||
3147 | else if (lastmaterial.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) | ||
3148 | glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB); | ||
3149 | |||
3150 | if ((AntiAlias >= 2) && (material.AntiAliasing & (EAAM_SIMPLE|EAAM_QUALITY))) | ||
3151 | { | ||
3152 | glEnable(GL_MULTISAMPLE_ARB); | ||
3153 | #ifdef GL_NV_multisample_filter_hint | ||
3154 | if (FeatureAvailable[IRR_NV_multisample_filter_hint]) | ||
3155 | { | ||
3156 | if ((material.AntiAliasing & EAAM_QUALITY) == EAAM_QUALITY) | ||
3157 | glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST); | ||
3158 | else | ||
3159 | glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST); | ||
3160 | } | ||
3161 | #endif | ||
3162 | } | ||
3163 | else | ||
3164 | glDisable(GL_MULTISAMPLE_ARB); | ||
3165 | } | ||
3166 | if ((material.AntiAliasing & EAAM_LINE_SMOOTH) != (lastmaterial.AntiAliasing & EAAM_LINE_SMOOTH)) | ||
3167 | { | ||
3168 | if (material.AntiAliasing & EAAM_LINE_SMOOTH) | ||
3169 | glEnable(GL_LINE_SMOOTH); | ||
3170 | else if (lastmaterial.AntiAliasing & EAAM_LINE_SMOOTH) | ||
3171 | glDisable(GL_LINE_SMOOTH); | ||
3172 | } | ||
3173 | if ((material.AntiAliasing & EAAM_POINT_SMOOTH) != (lastmaterial.AntiAliasing & EAAM_POINT_SMOOTH)) | ||
3174 | { | ||
3175 | if (material.AntiAliasing & EAAM_POINT_SMOOTH) | ||
3176 | // often in software, and thus very slow | ||
3177 | glEnable(GL_POINT_SMOOTH); | ||
3178 | else if (lastmaterial.AntiAliasing & EAAM_POINT_SMOOTH) | ||
3179 | glDisable(GL_POINT_SMOOTH); | ||
3180 | } | ||
3181 | } | ||
3182 | |||
3183 | setWrapMode(material); | ||
3184 | |||
3185 | // be sure to leave in texture stage 0 | ||
3186 | if (MultiTextureExtension) | ||
3187 | extGlActiveTexture(GL_TEXTURE0_ARB); | ||
3188 | } | ||
3189 | |||
3190 | |||
3191 | //! Enable the 2d override material | ||
3192 | void COpenGLDriver::enableMaterial2D(bool enable) | ||
3193 | { | ||
3194 | if (!enable) | ||
3195 | CurrentRenderMode = ERM_NONE; | ||
3196 | CNullDriver::enableMaterial2D(enable); | ||
3197 | } | ||
3198 | |||
3199 | |||
3200 | //! sets the needed renderstates | ||
3201 | void COpenGLDriver::setRenderStates2DMode(bool alpha, bool texture, bool alphaChannel) | ||
3202 | { | ||
3203 | if (CurrentRenderMode != ERM_2D || Transformation3DChanged) | ||
3204 | { | ||
3205 | // unset last 3d material | ||
3206 | if (CurrentRenderMode == ERM_3D) | ||
3207 | { | ||
3208 | if (static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size()) | ||
3209 | MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); | ||
3210 | } | ||
3211 | if (Transformation3DChanged) | ||
3212 | { | ||
3213 | glMatrixMode(GL_PROJECTION); | ||
3214 | |||
3215 | const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize(); | ||
3216 | core::matrix4 m(core::matrix4::EM4CONST_NOTHING); | ||
3217 | m.buildProjectionMatrixOrthoLH(f32(renderTargetSize.Width), f32(-(s32)(renderTargetSize.Height)), -1.0f, 1.0f); | ||
3218 | m.setTranslation(core::vector3df(-1,1,0)); | ||
3219 | glLoadMatrixf(m.pointer()); | ||
3220 | |||
3221 | glMatrixMode(GL_MODELVIEW); | ||
3222 | glLoadIdentity(); | ||
3223 | glTranslatef(0.375f, 0.375f, 0.0f); | ||
3224 | |||
3225 | // Make sure we set first texture matrix | ||
3226 | if (MultiTextureExtension) | ||
3227 | extGlActiveTexture(GL_TEXTURE0_ARB); | ||
3228 | |||
3229 | Transformation3DChanged = false; | ||
3230 | } | ||
3231 | if (!OverrideMaterial2DEnabled) | ||
3232 | { | ||
3233 | setBasicRenderStates(InitMaterial2D, LastMaterial, true); | ||
3234 | LastMaterial = InitMaterial2D; | ||
3235 | } | ||
3236 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | ||
3237 | #ifdef GL_EXT_clip_volume_hint | ||
3238 | if (FeatureAvailable[IRR_EXT_clip_volume_hint]) | ||
3239 | glHint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT, GL_FASTEST); | ||
3240 | #endif | ||
3241 | |||
3242 | } | ||
3243 | if (OverrideMaterial2DEnabled) | ||
3244 | { | ||
3245 | OverrideMaterial2D.Lighting=false; | ||
3246 | setBasicRenderStates(OverrideMaterial2D, LastMaterial, false); | ||
3247 | LastMaterial = OverrideMaterial2D; | ||
3248 | } | ||
3249 | |||
3250 | // no alphaChannel without texture | ||
3251 | alphaChannel &= texture; | ||
3252 | |||
3253 | if (alphaChannel || alpha) | ||
3254 | { | ||
3255 | glEnable(GL_BLEND); | ||
3256 | glEnable(GL_ALPHA_TEST); | ||
3257 | glAlphaFunc(GL_GREATER, 0.f); | ||
3258 | } | ||
3259 | else | ||
3260 | { | ||
3261 | glDisable(GL_BLEND); | ||
3262 | glDisable(GL_ALPHA_TEST); | ||
3263 | } | ||
3264 | |||
3265 | if (texture) | ||
3266 | { | ||
3267 | if (!OverrideMaterial2DEnabled) | ||
3268 | { | ||
3269 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); | ||
3270 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); | ||
3271 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); | ||
3272 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); | ||
3273 | } | ||
3274 | Material.setTexture(0, const_cast<video::ITexture*>(CurrentTexture[0])); | ||
3275 | setTransform(ETS_TEXTURE_0, core::IdentityMatrix); | ||
3276 | // Due to the transformation change, the previous line would call a reset each frame | ||
3277 | // but we can safely reset the variable as it was false before | ||
3278 | Transformation3DChanged=false; | ||
3279 | |||
3280 | if (alphaChannel) | ||
3281 | { | ||
3282 | // if alpha and alpha texture just modulate, otherwise use only the alpha channel | ||
3283 | if (alpha) | ||
3284 | { | ||
3285 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3286 | } | ||
3287 | else | ||
3288 | { | ||
3289 | #if defined(GL_ARB_texture_env_combine) || defined(GL_EXT_texture_env_combine) | ||
3290 | if (FeatureAvailable[IRR_ARB_texture_env_combine]||FeatureAvailable[IRR_EXT_texture_env_combine]) | ||
3291 | { | ||
3292 | #ifdef GL_ARB_texture_env_combine | ||
3293 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB); | ||
3294 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE); | ||
3295 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE); | ||
3296 | // rgb always modulates | ||
3297 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE); | ||
3298 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE); | ||
3299 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB); | ||
3300 | #else | ||
3301 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT); | ||
3302 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE); | ||
3303 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE); | ||
3304 | // rgb always modulates | ||
3305 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE); | ||
3306 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE); | ||
3307 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT); | ||
3308 | #endif | ||
3309 | } | ||
3310 | else | ||
3311 | #endif | ||
3312 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3313 | } | ||
3314 | } | ||
3315 | else | ||
3316 | { | ||
3317 | if (alpha) | ||
3318 | { | ||
3319 | #if defined(GL_ARB_texture_env_combine) || defined(GL_EXT_texture_env_combine) | ||
3320 | if (FeatureAvailable[IRR_ARB_texture_env_combine]||FeatureAvailable[IRR_EXT_texture_env_combine]) | ||
3321 | { | ||
3322 | #ifdef GL_ARB_texture_env_combine | ||
3323 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB); | ||
3324 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE); | ||
3325 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB); | ||
3326 | // rgb always modulates | ||
3327 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE); | ||
3328 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE); | ||
3329 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB); | ||
3330 | #else | ||
3331 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT); | ||
3332 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE); | ||
3333 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT); | ||
3334 | // rgb always modulates | ||
3335 | glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE); | ||
3336 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE); | ||
3337 | glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT); | ||
3338 | #endif | ||
3339 | } | ||
3340 | else | ||
3341 | #endif | ||
3342 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3343 | } | ||
3344 | else | ||
3345 | { | ||
3346 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); | ||
3347 | } | ||
3348 | } | ||
3349 | } | ||
3350 | |||
3351 | CurrentRenderMode = ERM_2D; | ||
3352 | } | ||
3353 | |||
3354 | |||
3355 | //! \return Returns the name of the video driver. | ||
3356 | const wchar_t* COpenGLDriver::getName() const | ||
3357 | { | ||
3358 | return Name.c_str(); | ||
3359 | } | ||
3360 | |||
3361 | |||
3362 | //! deletes all dynamic lights there are | ||
3363 | void COpenGLDriver::deleteAllDynamicLights() | ||
3364 | { | ||
3365 | for (s32 i=0; i<MaxLights; ++i) | ||
3366 | glDisable(GL_LIGHT0 + i); | ||
3367 | |||
3368 | RequestedLights.clear(); | ||
3369 | |||
3370 | CNullDriver::deleteAllDynamicLights(); | ||
3371 | } | ||
3372 | |||
3373 | |||
3374 | //! adds a dynamic light | ||
3375 | s32 COpenGLDriver::addDynamicLight(const SLight& light) | ||
3376 | { | ||
3377 | CNullDriver::addDynamicLight(light); | ||
3378 | |||
3379 | RequestedLights.push_back(RequestedLight(light)); | ||
3380 | |||
3381 | u32 newLightIndex = RequestedLights.size() - 1; | ||
3382 | |||
3383 | // Try and assign a hardware light just now, but don't worry if I can't | ||
3384 | assignHardwareLight(newLightIndex); | ||
3385 | |||
3386 | return (s32)newLightIndex; | ||
3387 | } | ||
3388 | |||
3389 | |||
3390 | void COpenGLDriver::assignHardwareLight(u32 lightIndex) | ||
3391 | { | ||
3392 | setTransform(ETS_WORLD, core::matrix4()); | ||
3393 | |||
3394 | s32 lidx; | ||
3395 | for (lidx=GL_LIGHT0; lidx < GL_LIGHT0 + MaxLights; ++lidx) | ||
3396 | { | ||
3397 | if(!glIsEnabled(lidx)) | ||
3398 | { | ||
3399 | RequestedLights[lightIndex].HardwareLightIndex = lidx; | ||
3400 | break; | ||
3401 | } | ||
3402 | } | ||
3403 | |||
3404 | if(lidx == GL_LIGHT0 + MaxLights) // There's no room for it just now | ||
3405 | return; | ||
3406 | |||
3407 | GLfloat data[4]; | ||
3408 | const SLight & light = RequestedLights[lightIndex].LightData; | ||
3409 | |||
3410 | switch (light.Type) | ||
3411 | { | ||
3412 | case video::ELT_SPOT: | ||
3413 | data[0] = light.Direction.X; | ||
3414 | data[1] = light.Direction.Y; | ||
3415 | data[2] = light.Direction.Z; | ||
3416 | data[3] = 0.0f; | ||
3417 | glLightfv(lidx, GL_SPOT_DIRECTION, data); | ||
3418 | |||
3419 | // set position | ||
3420 | data[0] = light.Position.X; | ||
3421 | data[1] = light.Position.Y; | ||
3422 | data[2] = light.Position.Z; | ||
3423 | data[3] = 1.0f; // 1.0f for positional light | ||
3424 | glLightfv(lidx, GL_POSITION, data); | ||
3425 | |||
3426 | glLightf(lidx, GL_SPOT_EXPONENT, light.Falloff); | ||
3427 | glLightf(lidx, GL_SPOT_CUTOFF, light.OuterCone); | ||
3428 | break; | ||
3429 | case video::ELT_POINT: | ||
3430 | // set position | ||
3431 | data[0] = light.Position.X; | ||
3432 | data[1] = light.Position.Y; | ||
3433 | data[2] = light.Position.Z; | ||
3434 | data[3] = 1.0f; // 1.0f for positional light | ||
3435 | glLightfv(lidx, GL_POSITION, data); | ||
3436 | |||
3437 | glLightf(lidx, GL_SPOT_EXPONENT, 0.0f); | ||
3438 | glLightf(lidx, GL_SPOT_CUTOFF, 180.0f); | ||
3439 | break; | ||
3440 | case video::ELT_DIRECTIONAL: | ||
3441 | // set direction | ||
3442 | data[0] = -light.Direction.X; | ||
3443 | data[1] = -light.Direction.Y; | ||
3444 | data[2] = -light.Direction.Z; | ||
3445 | data[3] = 0.0f; // 0.0f for directional light | ||
3446 | glLightfv(lidx, GL_POSITION, data); | ||
3447 | |||
3448 | glLightf(lidx, GL_SPOT_EXPONENT, 0.0f); | ||
3449 | glLightf(lidx, GL_SPOT_CUTOFF, 180.0f); | ||
3450 | break; | ||
3451 | default: | ||
3452 | break; | ||
3453 | } | ||
3454 | |||
3455 | // set diffuse color | ||
3456 | data[0] = light.DiffuseColor.r; | ||
3457 | data[1] = light.DiffuseColor.g; | ||
3458 | data[2] = light.DiffuseColor.b; | ||
3459 | data[3] = light.DiffuseColor.a; | ||
3460 | glLightfv(lidx, GL_DIFFUSE, data); | ||
3461 | |||
3462 | // set specular color | ||
3463 | data[0] = light.SpecularColor.r; | ||
3464 | data[1] = light.SpecularColor.g; | ||
3465 | data[2] = light.SpecularColor.b; | ||
3466 | data[3] = light.SpecularColor.a; | ||
3467 | glLightfv(lidx, GL_SPECULAR, data); | ||
3468 | |||
3469 | // set ambient color | ||
3470 | data[0] = light.AmbientColor.r; | ||
3471 | data[1] = light.AmbientColor.g; | ||
3472 | data[2] = light.AmbientColor.b; | ||
3473 | data[3] = light.AmbientColor.a; | ||
3474 | glLightfv(lidx, GL_AMBIENT, data); | ||
3475 | |||
3476 | // 1.0f / (constant + linear * d + quadratic*(d*d); | ||
3477 | |||
3478 | // set attenuation | ||
3479 | glLightf(lidx, GL_CONSTANT_ATTENUATION, light.Attenuation.X); | ||
3480 | glLightf(lidx, GL_LINEAR_ATTENUATION, light.Attenuation.Y); | ||
3481 | glLightf(lidx, GL_QUADRATIC_ATTENUATION, light.Attenuation.Z); | ||
3482 | |||
3483 | glEnable(lidx); | ||
3484 | } | ||
3485 | |||
3486 | |||
3487 | //! Turns a dynamic light on or off | ||
3488 | //! \param lightIndex: the index returned by addDynamicLight | ||
3489 | //! \param turnOn: true to turn the light on, false to turn it off | ||
3490 | void COpenGLDriver::turnLightOn(s32 lightIndex, bool turnOn) | ||
3491 | { | ||
3492 | if(lightIndex < 0 || lightIndex >= (s32)RequestedLights.size()) | ||
3493 | return; | ||
3494 | |||
3495 | RequestedLight & requestedLight = RequestedLights[lightIndex]; | ||
3496 | |||
3497 | requestedLight.DesireToBeOn = turnOn; | ||
3498 | |||
3499 | if(turnOn) | ||
3500 | { | ||
3501 | if(-1 == requestedLight.HardwareLightIndex) | ||
3502 | assignHardwareLight(lightIndex); | ||
3503 | } | ||
3504 | else | ||
3505 | { | ||
3506 | if(-1 != requestedLight.HardwareLightIndex) | ||
3507 | { | ||
3508 | // It's currently assigned, so free up the hardware light | ||
3509 | glDisable(requestedLight.HardwareLightIndex); | ||
3510 | requestedLight.HardwareLightIndex = -1; | ||
3511 | |||
3512 | // Now let the first light that's waiting on a free hardware light grab it | ||
3513 | for(u32 requested = 0; requested < RequestedLights.size(); ++requested) | ||
3514 | if(RequestedLights[requested].DesireToBeOn | ||
3515 | && | ||
3516 | -1 == RequestedLights[requested].HardwareLightIndex) | ||
3517 | { | ||
3518 | assignHardwareLight(requested); | ||
3519 | break; | ||
3520 | } | ||
3521 | } | ||
3522 | } | ||
3523 | } | ||
3524 | |||
3525 | |||
3526 | //! returns the maximal amount of dynamic lights the device can handle | ||
3527 | u32 COpenGLDriver::getMaximalDynamicLightAmount() const | ||
3528 | { | ||
3529 | return MaxLights; | ||
3530 | } | ||
3531 | |||
3532 | |||
3533 | //! Sets the dynamic ambient light color. The default color is | ||
3534 | //! (0,0,0,0) which means it is dark. | ||
3535 | //! \param color: New color of the ambient light. | ||
3536 | void COpenGLDriver::setAmbientLight(const SColorf& color) | ||
3537 | { | ||
3538 | GLfloat data[4] = {color.r, color.g, color.b, color.a}; | ||
3539 | glLightModelfv(GL_LIGHT_MODEL_AMBIENT, data); | ||
3540 | } | ||
3541 | |||
3542 | |||
3543 | // this code was sent in by Oliver Klems, thank you! (I modified the glViewport | ||
3544 | // method just a bit. | ||
3545 | void COpenGLDriver::setViewPort(const core::rect<s32>& area) | ||
3546 | { | ||
3547 | if (area == ViewPort) | ||
3548 | return; | ||
3549 | core::rect<s32> vp = area; | ||
3550 | core::rect<s32> rendert(0,0, getCurrentRenderTargetSize().Width, getCurrentRenderTargetSize().Height); | ||
3551 | vp.clipAgainst(rendert); | ||
3552 | |||
3553 | if (vp.getHeight()>0 && vp.getWidth()>0) | ||
3554 | { | ||
3555 | glViewport(vp.UpperLeftCorner.X, | ||
3556 | getCurrentRenderTargetSize().Height - vp.UpperLeftCorner.Y - vp.getHeight(), | ||
3557 | vp.getWidth(), vp.getHeight()); | ||
3558 | |||
3559 | ViewPort = vp; | ||
3560 | } | ||
3561 | } | ||
3562 | |||
3563 | |||
3564 | //! Draws a shadow volume into the stencil buffer. To draw a stencil shadow, do | ||
3565 | //! this: First, draw all geometry. Then use this method, to draw the shadow | ||
3566 | //! volume. Next use IVideoDriver::drawStencilShadow() to visualize the shadow. | ||
3567 | void COpenGLDriver::drawStencilShadowVolume(const core::array<core::vector3df>& triangles, bool zfail, u32 debugDataVisible) | ||
3568 | { | ||
3569 | const u32 count=triangles.size(); | ||
3570 | if (!StencilBuffer || !count) | ||
3571 | return; | ||
3572 | |||
3573 | // unset last 3d material | ||
3574 | if (CurrentRenderMode == ERM_3D && | ||
3575 | static_cast<u32>(Material.MaterialType) < MaterialRenderers.size()) | ||
3576 | { | ||
3577 | MaterialRenderers[Material.MaterialType].Renderer->OnUnsetMaterial(); | ||
3578 | ResetRenderStates = true; | ||
3579 | } | ||
3580 | |||
3581 | // store current OpenGL state | ||
3582 | glPushAttrib(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ENABLE_BIT | | ||
3583 | GL_POLYGON_BIT | GL_STENCIL_BUFFER_BIT); | ||
3584 | |||
3585 | glDisable(GL_LIGHTING); | ||
3586 | glDisable(GL_FOG); | ||
3587 | glDepthFunc(GL_LESS); | ||
3588 | glDepthMask(GL_FALSE); // no depth buffer writing | ||
3589 | if (debugDataVisible & scene::EDS_MESH_WIRE_OVERLAY) | ||
3590 | glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); | ||
3591 | if (!(debugDataVisible & (scene::EDS_SKELETON|scene::EDS_MESH_WIRE_OVERLAY))) | ||
3592 | { | ||
3593 | glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); // no color buffer drawing | ||
3594 | glEnable(GL_STENCIL_TEST); | ||
3595 | } | ||
3596 | |||
3597 | glEnableClientState(GL_VERTEX_ARRAY); | ||
3598 | glVertexPointer(3,GL_FLOAT,sizeof(core::vector3df),triangles.const_pointer()); | ||
3599 | glStencilMask(~0); | ||
3600 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3601 | |||
3602 | GLenum incr = GL_INCR; | ||
3603 | GLenum decr = GL_DECR; | ||
3604 | #ifdef GL_EXT_stencil_wrap | ||
3605 | if (FeatureAvailable[IRR_EXT_stencil_wrap]) | ||
3606 | { | ||
3607 | incr = GL_INCR_WRAP_EXT; | ||
3608 | decr = GL_DECR_WRAP_EXT; | ||
3609 | } | ||
3610 | #endif | ||
3611 | #ifdef GL_NV_depth_clamp | ||
3612 | if (FeatureAvailable[IRR_NV_depth_clamp]) | ||
3613 | glEnable(GL_DEPTH_CLAMP_NV); | ||
3614 | #endif | ||
3615 | |||
3616 | // The first parts are not correctly working, yet. | ||
3617 | #if 0 | ||
3618 | #ifdef GL_EXT_stencil_two_side | ||
3619 | if (FeatureAvailable[IRR_EXT_stencil_two_side]) | ||
3620 | { | ||
3621 | glEnable(GL_STENCIL_TEST_TWO_SIDE_EXT); | ||
3622 | glDisable(GL_CULL_FACE); | ||
3623 | if (zfail) | ||
3624 | { | ||
3625 | extGlActiveStencilFace(GL_BACK); | ||
3626 | glStencilOp(GL_KEEP, incr, GL_KEEP); | ||
3627 | glStencilMask(~0); | ||
3628 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3629 | |||
3630 | extGlActiveStencilFace(GL_FRONT); | ||
3631 | glStencilOp(GL_KEEP, decr, GL_KEEP); | ||
3632 | } | ||
3633 | else // zpass | ||
3634 | { | ||
3635 | extGlActiveStencilFace(GL_BACK); | ||
3636 | glStencilOp(GL_KEEP, GL_KEEP, decr); | ||
3637 | glStencilMask(~0); | ||
3638 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3639 | |||
3640 | extGlActiveStencilFace(GL_FRONT); | ||
3641 | glStencilOp(GL_KEEP, GL_KEEP, incr); | ||
3642 | } | ||
3643 | glStencilMask(~0); | ||
3644 | glStencilFunc(GL_ALWAYS, 0, ~0); | ||
3645 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3646 | glDisable(GL_STENCIL_TEST_TWO_SIDE_EXT); | ||
3647 | } | ||
3648 | else | ||
3649 | #endif | ||
3650 | if (FeatureAvailable[IRR_ATI_separate_stencil]) | ||
3651 | { | ||
3652 | glDisable(GL_CULL_FACE); | ||
3653 | if (zfail) | ||
3654 | { | ||
3655 | extGlStencilOpSeparate(GL_BACK, GL_KEEP, incr, GL_KEEP); | ||
3656 | extGlStencilOpSeparate(GL_FRONT, GL_KEEP, decr, GL_KEEP); | ||
3657 | } | ||
3658 | else // zpass | ||
3659 | { | ||
3660 | extGlStencilOpSeparate(GL_BACK, GL_KEEP, GL_KEEP, decr); | ||
3661 | extGlStencilOpSeparate(GL_FRONT, GL_KEEP, GL_KEEP, incr); | ||
3662 | } | ||
3663 | extGlStencilFuncSeparate(GL_ALWAYS, GL_ALWAYS, 0, ~0); | ||
3664 | glStencilMask(~0); | ||
3665 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3666 | } | ||
3667 | else | ||
3668 | #endif | ||
3669 | { | ||
3670 | glEnable(GL_CULL_FACE); | ||
3671 | if (zfail) | ||
3672 | { | ||
3673 | glCullFace(GL_FRONT); | ||
3674 | glStencilOp(GL_KEEP, incr, GL_KEEP); | ||
3675 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3676 | |||
3677 | glCullFace(GL_BACK); | ||
3678 | glStencilOp(GL_KEEP, decr, GL_KEEP); | ||
3679 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3680 | } | ||
3681 | else // zpass | ||
3682 | { | ||
3683 | glCullFace(GL_BACK); | ||
3684 | glStencilOp(GL_KEEP, GL_KEEP, incr); | ||
3685 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3686 | |||
3687 | glCullFace(GL_FRONT); | ||
3688 | glStencilOp(GL_KEEP, GL_KEEP, decr); | ||
3689 | glDrawArrays(GL_TRIANGLES,0,count); | ||
3690 | } | ||
3691 | } | ||
3692 | #ifdef GL_NV_depth_clamp | ||
3693 | if (FeatureAvailable[IRR_NV_depth_clamp]) | ||
3694 | glDisable(GL_DEPTH_CLAMP_NV); | ||
3695 | #endif | ||
3696 | |||
3697 | glDisable(GL_POLYGON_OFFSET_FILL); | ||
3698 | glDisableClientState(GL_VERTEX_ARRAY); //not stored on stack | ||
3699 | glPopAttrib(); | ||
3700 | } | ||
3701 | |||
3702 | //! Fills the stencil shadow with color. After the shadow volume has been drawn | ||
3703 | //! into the stencil buffer using IVideoDriver::drawStencilShadowVolume(), use this | ||
3704 | //! to draw the color of the shadow. | ||
3705 | void COpenGLDriver::drawStencilShadow(bool clearStencilBuffer, video::SColor leftUpEdge, | ||
3706 | video::SColor rightUpEdge, video::SColor leftDownEdge, video::SColor rightDownEdge) | ||
3707 | { | ||
3708 | if (!StencilBuffer) | ||
3709 | return; | ||
3710 | |||
3711 | disableTextures(); | ||
3712 | |||
3713 | // store attributes | ||
3714 | glPushAttrib(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ENABLE_BIT | GL_POLYGON_BIT | GL_STENCIL_BUFFER_BIT | GL_LIGHTING_BIT); | ||
3715 | |||
3716 | glDisable(GL_LIGHTING); | ||
3717 | glDisable(GL_FOG); | ||
3718 | glDepthMask(GL_FALSE); | ||
3719 | |||
3720 | glShadeModel(GL_FLAT); | ||
3721 | glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); | ||
3722 | |||
3723 | glEnable(GL_BLEND); | ||
3724 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | ||
3725 | |||
3726 | glEnable(GL_STENCIL_TEST); | ||
3727 | glStencilFunc(GL_NOTEQUAL, 0, ~0); | ||
3728 | glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); | ||
3729 | |||
3730 | // draw a shadow rectangle covering the entire screen using stencil buffer | ||
3731 | glMatrixMode(GL_MODELVIEW); | ||
3732 | glPushMatrix(); | ||
3733 | glLoadIdentity(); | ||
3734 | glMatrixMode(GL_PROJECTION); | ||
3735 | glPushMatrix(); | ||
3736 | glLoadIdentity(); | ||
3737 | |||
3738 | glBegin(GL_QUADS); | ||
3739 | |||
3740 | glColor4ub(leftDownEdge.getRed(), leftDownEdge.getGreen(), leftDownEdge.getBlue(), leftDownEdge.getAlpha()); | ||
3741 | glVertex3f(-1.f,-1.f,-0.9f); | ||
3742 | |||
3743 | glColor4ub(leftUpEdge.getRed(), leftUpEdge.getGreen(), leftUpEdge.getBlue(), leftUpEdge.getAlpha()); | ||
3744 | glVertex3f(-1.f, 1.f,-0.9f); | ||
3745 | |||
3746 | glColor4ub(rightUpEdge.getRed(), rightUpEdge.getGreen(), rightUpEdge.getBlue(), rightUpEdge.getAlpha()); | ||
3747 | glVertex3f(1.f, 1.f,-0.9f); | ||
3748 | |||
3749 | glColor4ub(rightDownEdge.getRed(), rightDownEdge.getGreen(), rightDownEdge.getBlue(), rightDownEdge.getAlpha()); | ||
3750 | glVertex3f(1.f,-1.f,-0.9f); | ||
3751 | |||
3752 | glEnd(); | ||
3753 | |||
3754 | clearBuffers(false, false, clearStencilBuffer, 0x0); | ||
3755 | |||
3756 | // restore settings | ||
3757 | glPopMatrix(); | ||
3758 | glMatrixMode(GL_MODELVIEW); | ||
3759 | glPopMatrix(); | ||
3760 | glPopAttrib(); | ||
3761 | } | ||
3762 | |||
3763 | |||
3764 | //! Sets the fog mode. | ||
3765 | void COpenGLDriver::setFog(SColor c, E_FOG_TYPE fogType, f32 start, | ||
3766 | f32 end, f32 density, bool pixelFog, bool rangeFog) | ||
3767 | { | ||
3768 | CNullDriver::setFog(c, fogType, start, end, density, pixelFog, rangeFog); | ||
3769 | |||
3770 | glFogf(GL_FOG_MODE, GLfloat((fogType==EFT_FOG_LINEAR)? GL_LINEAR : (fogType==EFT_FOG_EXP)?GL_EXP:GL_EXP2)); | ||
3771 | |||
3772 | #ifdef GL_EXT_fog_coord | ||
3773 | if (FeatureAvailable[IRR_EXT_fog_coord]) | ||
3774 | glFogi(GL_FOG_COORDINATE_SOURCE, GL_FRAGMENT_DEPTH); | ||
3775 | #endif | ||
3776 | #ifdef GL_NV_fog_distance | ||
3777 | if (FeatureAvailable[IRR_NV_fog_distance]) | ||
3778 | { | ||
3779 | if (rangeFog) | ||
3780 | glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_RADIAL_NV); | ||
3781 | else | ||
3782 | glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV); | ||
3783 | } | ||
3784 | #endif | ||
3785 | |||
3786 | if (fogType==EFT_FOG_LINEAR) | ||
3787 | { | ||
3788 | glFogf(GL_FOG_START, start); | ||
3789 | glFogf(GL_FOG_END, end); | ||
3790 | } | ||
3791 | else | ||
3792 | glFogf(GL_FOG_DENSITY, density); | ||
3793 | |||
3794 | if (pixelFog) | ||
3795 | glHint(GL_FOG_HINT, GL_NICEST); | ||
3796 | else | ||
3797 | glHint(GL_FOG_HINT, GL_FASTEST); | ||
3798 | |||
3799 | SColorf color(c); | ||
3800 | GLfloat data[4] = {color.r, color.g, color.b, color.a}; | ||
3801 | glFogfv(GL_FOG_COLOR, data); | ||
3802 | } | ||
3803 | |||
3804 | |||
3805 | //! Draws a 3d line. | ||
3806 | void COpenGLDriver::draw3DLine(const core::vector3df& start, | ||
3807 | const core::vector3df& end, SColor color) | ||
3808 | { | ||
3809 | setRenderStates3DMode(); | ||
3810 | |||
3811 | glBegin(GL_LINES); | ||
3812 | glColor4ub(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); | ||
3813 | glVertex3f(start.X, start.Y, start.Z); | ||
3814 | |||
3815 | glVertex3f(end.X, end.Y, end.Z); | ||
3816 | glEnd(); | ||
3817 | } | ||
3818 | |||
3819 | |||
3820 | //! Removes a texture from the texture cache and deletes it, freeing lot of memory. | ||
3821 | void COpenGLDriver::removeTexture(ITexture* texture) | ||
3822 | { | ||
3823 | if (!texture) | ||
3824 | return; | ||
3825 | |||
3826 | CNullDriver::removeTexture(texture); | ||
3827 | // Remove this texture from CurrentTexture as well | ||
3828 | CurrentTexture.remove(texture); | ||
3829 | } | ||
3830 | |||
3831 | |||
3832 | //! Only used by the internal engine. Used to notify the driver that | ||
3833 | //! the window was resized. | ||
3834 | void COpenGLDriver::OnResize(const core::dimension2d<u32>& size) | ||
3835 | { | ||
3836 | CNullDriver::OnResize(size); | ||
3837 | glViewport(0, 0, size.Width, size.Height); | ||
3838 | Transformation3DChanged = true; | ||
3839 | } | ||
3840 | |||
3841 | |||
3842 | //! Returns type of video driver | ||
3843 | E_DRIVER_TYPE COpenGLDriver::getDriverType() const | ||
3844 | { | ||
3845 | return EDT_OPENGL; | ||
3846 | } | ||
3847 | |||
3848 | |||
3849 | //! returns color format | ||
3850 | ECOLOR_FORMAT COpenGLDriver::getColorFormat() const | ||
3851 | { | ||
3852 | return ColorFormat; | ||
3853 | } | ||
3854 | |||
3855 | |||
3856 | //! Sets a vertex shader constant. | ||
3857 | void COpenGLDriver::setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) | ||
3858 | { | ||
3859 | #ifdef GL_ARB_vertex_program | ||
3860 | for (s32 i=0; i<constantAmount; ++i) | ||
3861 | extGlProgramLocalParameter4fv(GL_VERTEX_PROGRAM_ARB, startRegister+i, &data[i*4]); | ||
3862 | #endif | ||
3863 | } | ||
3864 | |||
3865 | //! Sets a pixel shader constant. | ||
3866 | void COpenGLDriver::setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) | ||
3867 | { | ||
3868 | #ifdef GL_ARB_fragment_program | ||
3869 | for (s32 i=0; i<constantAmount; ++i) | ||
3870 | extGlProgramLocalParameter4fv(GL_FRAGMENT_PROGRAM_ARB, startRegister+i, &data[i*4]); | ||
3871 | #endif | ||
3872 | } | ||
3873 | |||
3874 | //! Sets a constant for the vertex shader based on a name. | ||
3875 | bool COpenGLDriver::setVertexShaderConstant(const c8* name, const f32* floats, int count) | ||
3876 | { | ||
3877 | //pass this along, as in GLSL the same routine is used for both vertex and fragment shaders | ||
3878 | return setPixelShaderConstant(name, floats, count); | ||
3879 | } | ||
3880 | |||
3881 | //! Bool interface for the above. | ||
3882 | bool COpenGLDriver::setVertexShaderConstant(const c8* name, const bool* bools, int count) | ||
3883 | { | ||
3884 | return setPixelShaderConstant(name, bools, count); | ||
3885 | } | ||
3886 | |||
3887 | //! Int interface for the above. | ||
3888 | bool COpenGLDriver::setVertexShaderConstant(const c8* name, const s32* ints, int count) | ||
3889 | { | ||
3890 | return setPixelShaderConstant(name, ints, count); | ||
3891 | } | ||
3892 | |||
3893 | //! Sets a constant for the pixel shader based on a name. | ||
3894 | bool COpenGLDriver::setPixelShaderConstant(const c8* name, const f32* floats, int count) | ||
3895 | { | ||
3896 | os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); | ||
3897 | return false; | ||
3898 | } | ||
3899 | |||
3900 | //! Bool interface for the above. | ||
3901 | bool COpenGLDriver::setPixelShaderConstant(const c8* name, const bool* bools, int count) | ||
3902 | { | ||
3903 | os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); | ||
3904 | return false; | ||
3905 | } | ||
3906 | |||
3907 | //! Int interface for the above. | ||
3908 | bool COpenGLDriver::setPixelShaderConstant(const c8* name, const s32* ints, int count) | ||
3909 | { | ||
3910 | os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); | ||
3911 | return false; | ||
3912 | } | ||
3913 | |||
3914 | |||
3915 | //! Adds a new material renderer to the VideoDriver, using pixel and/or | ||
3916 | //! vertex shaders to render geometry. | ||
3917 | s32 COpenGLDriver::addShaderMaterial(const c8* vertexShaderProgram, | ||
3918 | const c8* pixelShaderProgram, | ||
3919 | IShaderConstantSetCallBack* callback, | ||
3920 | E_MATERIAL_TYPE baseMaterial, s32 userData) | ||
3921 | { | ||
3922 | s32 nr = -1; | ||
3923 | COpenGLShaderMaterialRenderer* r = new COpenGLShaderMaterialRenderer( | ||
3924 | this, nr, vertexShaderProgram, pixelShaderProgram, | ||
3925 | callback, getMaterialRenderer(baseMaterial), userData); | ||
3926 | |||
3927 | r->drop(); | ||
3928 | return nr; | ||
3929 | } | ||
3930 | |||
3931 | |||
3932 | //! Adds a new material renderer to the VideoDriver, using GLSL to render geometry. | ||
3933 | s32 COpenGLDriver::addHighLevelShaderMaterial( | ||
3934 | const c8* vertexShaderProgram, | ||
3935 | const c8* vertexShaderEntryPointName, | ||
3936 | E_VERTEX_SHADER_TYPE vsCompileTarget, | ||
3937 | const c8* pixelShaderProgram, | ||
3938 | const c8* pixelShaderEntryPointName, | ||
3939 | E_PIXEL_SHADER_TYPE psCompileTarget, | ||
3940 | const c8* geometryShaderProgram, | ||
3941 | const c8* geometryShaderEntryPointName, | ||
3942 | E_GEOMETRY_SHADER_TYPE gsCompileTarget, | ||
3943 | scene::E_PRIMITIVE_TYPE inType, | ||
3944 | scene::E_PRIMITIVE_TYPE outType, | ||
3945 | u32 verticesOut, | ||
3946 | IShaderConstantSetCallBack* callback, | ||
3947 | E_MATERIAL_TYPE baseMaterial, | ||
3948 | s32 userData, E_GPU_SHADING_LANGUAGE shadingLang) | ||
3949 | { | ||
3950 | s32 nr = -1; | ||
3951 | |||
3952 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
3953 | if (shadingLang == EGSL_CG) | ||
3954 | { | ||
3955 | COpenGLCgMaterialRenderer* r = new COpenGLCgMaterialRenderer( | ||
3956 | this, nr, | ||
3957 | vertexShaderProgram, vertexShaderEntryPointName, vsCompileTarget, | ||
3958 | pixelShaderProgram, pixelShaderEntryPointName, psCompileTarget, | ||
3959 | geometryShaderProgram, geometryShaderEntryPointName, gsCompileTarget, | ||
3960 | inType, outType, verticesOut, | ||
3961 | callback,getMaterialRenderer(baseMaterial), userData); | ||
3962 | |||
3963 | r->drop(); | ||
3964 | } | ||
3965 | else | ||
3966 | #endif | ||
3967 | { | ||
3968 | COpenGLSLMaterialRenderer* r = new COpenGLSLMaterialRenderer( | ||
3969 | this, nr, | ||
3970 | vertexShaderProgram, vertexShaderEntryPointName, vsCompileTarget, | ||
3971 | pixelShaderProgram, pixelShaderEntryPointName, psCompileTarget, | ||
3972 | geometryShaderProgram, geometryShaderEntryPointName, gsCompileTarget, | ||
3973 | inType, outType, verticesOut, | ||
3974 | callback,getMaterialRenderer(baseMaterial), userData); | ||
3975 | |||
3976 | r->drop(); | ||
3977 | } | ||
3978 | |||
3979 | return nr; | ||
3980 | } | ||
3981 | |||
3982 | |||
3983 | //! Returns a pointer to the IVideoDriver interface. (Implementation for | ||
3984 | //! IMaterialRendererServices) | ||
3985 | IVideoDriver* COpenGLDriver::getVideoDriver() | ||
3986 | { | ||
3987 | return this; | ||
3988 | } | ||
3989 | |||
3990 | |||
3991 | ITexture* COpenGLDriver::addRenderTargetTexture(const core::dimension2d<u32>& size, | ||
3992 | const io::path& name, | ||
3993 | const ECOLOR_FORMAT format) | ||
3994 | { | ||
3995 | //disable mip-mapping | ||
3996 | bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS); | ||
3997 | setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false); | ||
3998 | |||
3999 | video::ITexture* rtt = 0; | ||
4000 | #if defined(GL_EXT_framebuffer_object) | ||
4001 | // if driver supports FrameBufferObjects, use them | ||
4002 | if (queryFeature(EVDF_FRAMEBUFFER_OBJECT)) | ||
4003 | { | ||
4004 | rtt = new COpenGLFBOTexture(size, name, this, format); | ||
4005 | if (rtt) | ||
4006 | { | ||
4007 | bool success = false; | ||
4008 | addTexture(rtt); | ||
4009 | ITexture* tex = createDepthTexture(rtt); | ||
4010 | if (tex) | ||
4011 | { | ||
4012 | success = static_cast<video::COpenGLFBODepthTexture*>(tex)->attach(rtt); | ||
4013 | if ( !success ) | ||
4014 | { | ||
4015 | removeDepthTexture(tex); | ||
4016 | } | ||
4017 | tex->drop(); | ||
4018 | } | ||
4019 | rtt->drop(); | ||
4020 | if (!success) | ||
4021 | { | ||
4022 | removeTexture(rtt); | ||
4023 | rtt=0; | ||
4024 | } | ||
4025 | } | ||
4026 | } | ||
4027 | else | ||
4028 | #endif | ||
4029 | { | ||
4030 | // the simple texture is only possible for size <= screensize | ||
4031 | // we try to find an optimal size with the original constraints | ||
4032 | core::dimension2du destSize(core::min_(size.Width,ScreenSize.Width), core::min_(size.Height,ScreenSize.Height)); | ||
4033 | destSize = destSize.getOptimalSize((size==size.getOptimalSize()), false, false); | ||
4034 | rtt = addTexture(destSize, name, ECF_A8R8G8B8); | ||
4035 | if (rtt) | ||
4036 | { | ||
4037 | static_cast<video::COpenGLTexture*>(rtt)->setIsRenderTarget(true); | ||
4038 | } | ||
4039 | } | ||
4040 | |||
4041 | //restore mip-mapping | ||
4042 | setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels); | ||
4043 | |||
4044 | return rtt; | ||
4045 | } | ||
4046 | |||
4047 | |||
4048 | //! Returns the maximum amount of primitives (mostly vertices) which | ||
4049 | //! the device is able to render with one drawIndexedTriangleList | ||
4050 | //! call. | ||
4051 | u32 COpenGLDriver::getMaximalPrimitiveCount() const | ||
4052 | { | ||
4053 | return 0x7fffffff; | ||
4054 | } | ||
4055 | |||
4056 | |||
4057 | //! set or reset render target | ||
4058 | bool COpenGLDriver::setRenderTarget(video::E_RENDER_TARGET target, bool clearTarget, | ||
4059 | bool clearZBuffer, SColor color) | ||
4060 | { | ||
4061 | if (target != CurrentTarget) | ||
4062 | setRenderTarget(0, false, false, 0x0); | ||
4063 | |||
4064 | if (ERT_RENDER_TEXTURE == target) | ||
4065 | { | ||
4066 | os::Printer::log("For render textures call setRenderTarget with the actual texture as first parameter.", ELL_ERROR); | ||
4067 | return false; | ||
4068 | } | ||
4069 | if (ERT_MULTI_RENDER_TEXTURES == target) | ||
4070 | { | ||
4071 | os::Printer::log("For multiple render textures call setRenderTarget with the texture array as first parameter.", ELL_ERROR); | ||
4072 | return false; | ||
4073 | } | ||
4074 | |||
4075 | if (Params.Stereobuffer && (ERT_STEREO_RIGHT_BUFFER == target)) | ||
4076 | { | ||
4077 | if (Params.Doublebuffer) | ||
4078 | glDrawBuffer(GL_BACK_RIGHT); | ||
4079 | else | ||
4080 | glDrawBuffer(GL_FRONT_RIGHT); | ||
4081 | } | ||
4082 | else if (Params.Stereobuffer && ERT_STEREO_BOTH_BUFFERS == target) | ||
4083 | { | ||
4084 | if (Params.Doublebuffer) | ||
4085 | glDrawBuffer(GL_BACK); | ||
4086 | else | ||
4087 | glDrawBuffer(GL_FRONT); | ||
4088 | } | ||
4089 | else if ((target >= ERT_AUX_BUFFER0) && (target-ERT_AUX_BUFFER0 < MaxAuxBuffers)) | ||
4090 | { | ||
4091 | glDrawBuffer(GL_AUX0+target-ERT_AUX_BUFFER0); | ||
4092 | } | ||
4093 | else | ||
4094 | { | ||
4095 | if (Params.Doublebuffer) | ||
4096 | glDrawBuffer(GL_BACK_LEFT); | ||
4097 | else | ||
4098 | glDrawBuffer(GL_FRONT_LEFT); | ||
4099 | // exit with false, but also with working color buffer | ||
4100 | if (target != ERT_FRAME_BUFFER) | ||
4101 | return false; | ||
4102 | } | ||
4103 | CurrentTarget=target; | ||
4104 | clearBuffers(clearTarget, clearZBuffer, false, color); | ||
4105 | return true; | ||
4106 | } | ||
4107 | |||
4108 | |||
4109 | //! set or reset render target | ||
4110 | bool COpenGLDriver::setRenderTarget(video::ITexture* texture, bool clearBackBuffer, | ||
4111 | bool clearZBuffer, SColor color) | ||
4112 | { | ||
4113 | // check for right driver type | ||
4114 | |||
4115 | if (texture && texture->getDriverType() != EDT_OPENGL) | ||
4116 | { | ||
4117 | os::Printer::log("Fatal Error: Tried to set a texture not owned by this driver.", ELL_ERROR); | ||
4118 | return false; | ||
4119 | } | ||
4120 | |||
4121 | #if defined(GL_EXT_framebuffer_object) | ||
4122 | if (CurrentTarget==ERT_MULTI_RENDER_TEXTURES) | ||
4123 | { | ||
4124 | for (u32 i=0; i<MRTargets.size(); ++i) | ||
4125 | { | ||
4126 | if (MRTargets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4127 | { | ||
4128 | for (++i; i<MRTargets.size(); ++i) | ||
4129 | if (MRTargets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4130 | extGlFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i, GL_TEXTURE_2D, 0, 0); | ||
4131 | } | ||
4132 | } | ||
4133 | MRTargets.clear(); | ||
4134 | } | ||
4135 | #endif | ||
4136 | |||
4137 | // check if we should set the previous RT back | ||
4138 | if ((RenderTargetTexture != texture) || | ||
4139 | (CurrentTarget==ERT_MULTI_RENDER_TEXTURES)) | ||
4140 | { | ||
4141 | setActiveTexture(0, 0); | ||
4142 | ResetRenderStates=true; | ||
4143 | if (RenderTargetTexture!=0) | ||
4144 | { | ||
4145 | RenderTargetTexture->unbindRTT(); | ||
4146 | } | ||
4147 | |||
4148 | if (texture) | ||
4149 | { | ||
4150 | // we want to set a new target. so do this. | ||
4151 | glViewport(0, 0, texture->getSize().Width, texture->getSize().Height); | ||
4152 | RenderTargetTexture = static_cast<COpenGLTexture*>(texture); | ||
4153 | // calls glDrawBuffer as well | ||
4154 | RenderTargetTexture->bindRTT(); | ||
4155 | CurrentRendertargetSize = texture->getSize(); | ||
4156 | CurrentTarget=ERT_RENDER_TEXTURE; | ||
4157 | } | ||
4158 | else | ||
4159 | { | ||
4160 | glViewport(0,0,ScreenSize.Width,ScreenSize.Height); | ||
4161 | RenderTargetTexture = 0; | ||
4162 | CurrentRendertargetSize = core::dimension2d<u32>(0,0); | ||
4163 | CurrentTarget=ERT_FRAME_BUFFER; | ||
4164 | glDrawBuffer(Params.Doublebuffer?GL_BACK_LEFT:GL_FRONT_LEFT); | ||
4165 | } | ||
4166 | // we need to update the matrices due to the rendersize change. | ||
4167 | Transformation3DChanged=true; | ||
4168 | } | ||
4169 | |||
4170 | clearBuffers(clearBackBuffer, clearZBuffer, false, color); | ||
4171 | |||
4172 | return true; | ||
4173 | } | ||
4174 | |||
4175 | |||
4176 | //! Sets multiple render targets | ||
4177 | bool COpenGLDriver::setRenderTarget(const core::array<video::IRenderTarget>& targets, | ||
4178 | bool clearBackBuffer, bool clearZBuffer, SColor color) | ||
4179 | { | ||
4180 | // if simply disabling the MRT via array call | ||
4181 | if (targets.size()==0) | ||
4182 | return setRenderTarget(0, clearBackBuffer, clearZBuffer, color); | ||
4183 | // if disabling old MRT, but enabling new one as well | ||
4184 | if ((MRTargets.size()!=0) && (targets != MRTargets)) | ||
4185 | setRenderTarget(0, clearBackBuffer, clearZBuffer, color); | ||
4186 | // if no change, simply clear buffers | ||
4187 | else if (targets == MRTargets) | ||
4188 | { | ||
4189 | clearBuffers(clearBackBuffer, clearZBuffer, false, color); | ||
4190 | return true; | ||
4191 | } | ||
4192 | |||
4193 | // copy to storage for correct disabling | ||
4194 | MRTargets=targets; | ||
4195 | |||
4196 | u32 maxMultipleRTTs = core::min_(static_cast<u32>(MaxMultipleRenderTargets), targets.size()); | ||
4197 | |||
4198 | // determine common size | ||
4199 | core::dimension2du rttSize = CurrentRendertargetSize; | ||
4200 | if (targets[0].TargetType==ERT_RENDER_TEXTURE) | ||
4201 | { | ||
4202 | if (!targets[0].RenderTexture) | ||
4203 | { | ||
4204 | os::Printer::log("Missing render texture for MRT.", ELL_ERROR); | ||
4205 | return false; | ||
4206 | } | ||
4207 | rttSize=targets[0].RenderTexture->getSize(); | ||
4208 | } | ||
4209 | |||
4210 | for (u32 i = 0; i < maxMultipleRTTs; ++i) | ||
4211 | { | ||
4212 | // check for right driver type | ||
4213 | if (targets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4214 | { | ||
4215 | if (!targets[i].RenderTexture) | ||
4216 | { | ||
4217 | maxMultipleRTTs=i; | ||
4218 | os::Printer::log("Missing render texture for MRT.", ELL_WARNING); | ||
4219 | break; | ||
4220 | } | ||
4221 | if (targets[i].RenderTexture->getDriverType() != EDT_OPENGL) | ||
4222 | { | ||
4223 | maxMultipleRTTs=i; | ||
4224 | os::Printer::log("Tried to set a texture not owned by this driver.", ELL_WARNING); | ||
4225 | break; | ||
4226 | } | ||
4227 | |||
4228 | // check for valid render target | ||
4229 | if (!targets[i].RenderTexture->isRenderTarget() || !static_cast<COpenGLTexture*>(targets[i].RenderTexture)->isFrameBufferObject()) | ||
4230 | { | ||
4231 | maxMultipleRTTs=i; | ||
4232 | os::Printer::log("Tried to set a non FBO-RTT as render target.", ELL_WARNING); | ||
4233 | break; | ||
4234 | } | ||
4235 | |||
4236 | // check for valid size | ||
4237 | if (rttSize != targets[i].RenderTexture->getSize()) | ||
4238 | { | ||
4239 | maxMultipleRTTs=i; | ||
4240 | os::Printer::log("Render target texture has wrong size.", ELL_WARNING); | ||
4241 | break; | ||
4242 | } | ||
4243 | } | ||
4244 | } | ||
4245 | if (maxMultipleRTTs==0) | ||
4246 | { | ||
4247 | os::Printer::log("No valid MRTs.", ELL_ERROR); | ||
4248 | return false; | ||
4249 | } | ||
4250 | |||
4251 | // init FBO, if any | ||
4252 | for (u32 i=0; i<maxMultipleRTTs; ++i) | ||
4253 | { | ||
4254 | if (targets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4255 | { | ||
4256 | setRenderTarget(targets[i].RenderTexture, false, false, 0x0); | ||
4257 | break; // bind only first RTT | ||
4258 | } | ||
4259 | } | ||
4260 | // init other main buffer, if necessary | ||
4261 | if (targets[0].TargetType!=ERT_RENDER_TEXTURE) | ||
4262 | setRenderTarget(targets[0].TargetType, false, false, 0x0); | ||
4263 | |||
4264 | // attach other textures and store buffers into array | ||
4265 | if (maxMultipleRTTs > 1) | ||
4266 | { | ||
4267 | CurrentTarget=ERT_MULTI_RENDER_TEXTURES; | ||
4268 | core::array<GLenum> MRTs; | ||
4269 | MRTs.set_used(maxMultipleRTTs); | ||
4270 | for(u32 i = 0; i < maxMultipleRTTs; i++) | ||
4271 | { | ||
4272 | if (FeatureAvailable[IRR_EXT_draw_buffers2]) | ||
4273 | { | ||
4274 | extGlColorMaskIndexed(i, | ||
4275 | (targets[i].ColorMask & ECP_RED)?GL_TRUE:GL_FALSE, | ||
4276 | (targets[i].ColorMask & ECP_GREEN)?GL_TRUE:GL_FALSE, | ||
4277 | (targets[i].ColorMask & ECP_BLUE)?GL_TRUE:GL_FALSE, | ||
4278 | (targets[i].ColorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE); | ||
4279 | if (targets[i].BlendOp==EBO_NONE) | ||
4280 | extGlDisableIndexed(GL_BLEND, i); | ||
4281 | else | ||
4282 | extGlEnableIndexed(GL_BLEND, i); | ||
4283 | } | ||
4284 | #if defined(GL_AMD_draw_buffers_blend) || defined(GL_ARB_draw_buffers_blend) | ||
4285 | if (FeatureAvailable[IRR_AMD_draw_buffers_blend] || FeatureAvailable[IRR_ARB_draw_buffers_blend]) | ||
4286 | { | ||
4287 | extGlBlendFuncIndexed(i, getGLBlend(targets[i].BlendFuncSrc), getGLBlend(targets[i].BlendFuncDst)); | ||
4288 | switch(targets[i].BlendOp) | ||
4289 | { | ||
4290 | case EBO_SUBTRACT: | ||
4291 | extGlBlendEquationIndexed(i, GL_FUNC_SUBTRACT); | ||
4292 | break; | ||
4293 | case EBO_REVSUBTRACT: | ||
4294 | extGlBlendEquationIndexed(i, GL_FUNC_REVERSE_SUBTRACT); | ||
4295 | break; | ||
4296 | case EBO_MIN: | ||
4297 | extGlBlendEquationIndexed(i, GL_MIN); | ||
4298 | break; | ||
4299 | case EBO_MAX: | ||
4300 | extGlBlendEquationIndexed(i, GL_MAX); | ||
4301 | break; | ||
4302 | case EBO_MIN_FACTOR: | ||
4303 | case EBO_MIN_ALPHA: | ||
4304 | #if defined(GL_AMD_blend_minmax_factor) | ||
4305 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
4306 | extGlBlendEquationIndexed(i, GL_FACTOR_MIN_AMD); | ||
4307 | // fallback in case of missing extension | ||
4308 | else | ||
4309 | #endif | ||
4310 | extGlBlendEquation(GL_MIN); | ||
4311 | break; | ||
4312 | case EBO_MAX_FACTOR: | ||
4313 | case EBO_MAX_ALPHA: | ||
4314 | #if defined(GL_AMD_blend_minmax_factor) | ||
4315 | if (FeatureAvailable[IRR_AMD_blend_minmax_factor]) | ||
4316 | extGlBlendEquationIndexed(i, GL_FACTOR_MAX_AMD); | ||
4317 | // fallback in case of missing extension | ||
4318 | else | ||
4319 | #endif | ||
4320 | extGlBlendEquation(GL_MAX); | ||
4321 | break; | ||
4322 | default: | ||
4323 | extGlBlendEquationIndexed(i, GL_FUNC_ADD); | ||
4324 | break; | ||
4325 | } | ||
4326 | } | ||
4327 | #endif | ||
4328 | if (targets[i].TargetType==ERT_RENDER_TEXTURE) | ||
4329 | { | ||
4330 | GLenum attachment = GL_NONE; | ||
4331 | #ifdef GL_EXT_framebuffer_object | ||
4332 | // attach texture to FrameBuffer Object on Color [i] | ||
4333 | attachment = GL_COLOR_ATTACHMENT0_EXT+i; | ||
4334 | if ((i != 0) && (targets[i].RenderTexture != RenderTargetTexture)) | ||
4335 | extGlFramebufferTexture2D(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, static_cast<COpenGLTexture*>(targets[i].RenderTexture)->getOpenGLTextureName(), 0); | ||
4336 | #endif | ||
4337 | MRTs[i]=attachment; | ||
4338 | } | ||
4339 | else | ||
4340 | { | ||
4341 | switch(targets[i].TargetType) | ||
4342 | { | ||
4343 | case ERT_FRAME_BUFFER: | ||
4344 | MRTs[i]=GL_BACK_LEFT; | ||
4345 | break; | ||
4346 | case ERT_STEREO_BOTH_BUFFERS: | ||
4347 | MRTs[i]=GL_BACK; | ||
4348 | break; | ||
4349 | case ERT_STEREO_RIGHT_BUFFER: | ||
4350 | MRTs[i]=GL_BACK_RIGHT; | ||
4351 | break; | ||
4352 | case ERT_STEREO_LEFT_BUFFER: | ||
4353 | MRTs[i]=GL_BACK_LEFT; | ||
4354 | break; | ||
4355 | default: | ||
4356 | MRTs[i]=GL_AUX0+(targets[i].TargetType-ERT_AUX_BUFFER0); | ||
4357 | break; | ||
4358 | } | ||
4359 | } | ||
4360 | } | ||
4361 | |||
4362 | extGlDrawBuffers(maxMultipleRTTs, MRTs.const_pointer()); | ||
4363 | } | ||
4364 | |||
4365 | clearBuffers(clearBackBuffer, clearZBuffer, false, color); | ||
4366 | return true; | ||
4367 | } | ||
4368 | |||
4369 | |||
4370 | // returns the current size of the screen or rendertarget | ||
4371 | const core::dimension2d<u32>& COpenGLDriver::getCurrentRenderTargetSize() const | ||
4372 | { | ||
4373 | if (CurrentRendertargetSize.Width == 0) | ||
4374 | return ScreenSize; | ||
4375 | else | ||
4376 | return CurrentRendertargetSize; | ||
4377 | } | ||
4378 | |||
4379 | |||
4380 | //! Clears the ZBuffer. | ||
4381 | void COpenGLDriver::clearZBuffer() | ||
4382 | { | ||
4383 | clearBuffers(false, true, false, 0x0); | ||
4384 | } | ||
4385 | |||
4386 | |||
4387 | //! Returns an image created from the last rendered frame. | ||
4388 | IImage* COpenGLDriver::createScreenShot(video::ECOLOR_FORMAT format, video::E_RENDER_TARGET target) | ||
4389 | { | ||
4390 | if (target==video::ERT_MULTI_RENDER_TEXTURES || target==video::ERT_RENDER_TEXTURE || target==video::ERT_STEREO_BOTH_BUFFERS) | ||
4391 | return 0; | ||
4392 | |||
4393 | // allows to read pixels in top-to-bottom order | ||
4394 | #ifdef GL_MESA_pack_invert | ||
4395 | if (FeatureAvailable[IRR_MESA_pack_invert]) | ||
4396 | glPixelStorei(GL_PACK_INVERT_MESA, GL_TRUE); | ||
4397 | #endif | ||
4398 | |||
4399 | if (format==video::ECF_UNKNOWN) | ||
4400 | format=getColorFormat(); | ||
4401 | GLenum fmt; | ||
4402 | GLenum type; | ||
4403 | switch (format) | ||
4404 | { | ||
4405 | case ECF_A1R5G5B5: | ||
4406 | fmt = GL_BGRA; | ||
4407 | type = GL_UNSIGNED_SHORT_1_5_5_5_REV; | ||
4408 | break; | ||
4409 | case ECF_R5G6B5: | ||
4410 | fmt = GL_RGB; | ||
4411 | type = GL_UNSIGNED_SHORT_5_6_5; | ||
4412 | break; | ||
4413 | case ECF_R8G8B8: | ||
4414 | fmt = GL_RGB; | ||
4415 | type = GL_UNSIGNED_BYTE; | ||
4416 | break; | ||
4417 | case ECF_A8R8G8B8: | ||
4418 | fmt = GL_BGRA; | ||
4419 | if (Version > 101) | ||
4420 | type = GL_UNSIGNED_INT_8_8_8_8_REV; | ||
4421 | else | ||
4422 | type = GL_UNSIGNED_BYTE; | ||
4423 | break; | ||
4424 | case ECF_R16F: | ||
4425 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4426 | fmt = GL_RED; | ||
4427 | else | ||
4428 | fmt = GL_LUMINANCE; | ||
4429 | #ifdef GL_ARB_half_float_pixel | ||
4430 | if (FeatureAvailable[IRR_ARB_half_float_pixel]) | ||
4431 | type = GL_HALF_FLOAT_ARB; | ||
4432 | else | ||
4433 | #endif | ||
4434 | { | ||
4435 | type = GL_FLOAT; | ||
4436 | format = ECF_R32F; | ||
4437 | } | ||
4438 | break; | ||
4439 | case ECF_G16R16F: | ||
4440 | #ifdef GL_ARB_texture_rg | ||
4441 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4442 | fmt = GL_RG; | ||
4443 | else | ||
4444 | #endif | ||
4445 | fmt = GL_LUMINANCE_ALPHA; | ||
4446 | #ifdef GL_ARB_half_float_pixel | ||
4447 | if (FeatureAvailable[IRR_ARB_half_float_pixel]) | ||
4448 | type = GL_HALF_FLOAT_ARB; | ||
4449 | else | ||
4450 | #endif | ||
4451 | { | ||
4452 | type = GL_FLOAT; | ||
4453 | format = ECF_G32R32F; | ||
4454 | } | ||
4455 | break; | ||
4456 | case ECF_A16B16G16R16F: | ||
4457 | fmt = GL_BGRA; | ||
4458 | #ifdef GL_ARB_half_float_pixel | ||
4459 | if (FeatureAvailable[IRR_ARB_half_float_pixel]) | ||
4460 | type = GL_HALF_FLOAT_ARB; | ||
4461 | else | ||
4462 | #endif | ||
4463 | { | ||
4464 | type = GL_FLOAT; | ||
4465 | format = ECF_A32B32G32R32F; | ||
4466 | } | ||
4467 | break; | ||
4468 | case ECF_R32F: | ||
4469 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4470 | fmt = GL_RED; | ||
4471 | else | ||
4472 | fmt = GL_LUMINANCE; | ||
4473 | type = GL_FLOAT; | ||
4474 | break; | ||
4475 | case ECF_G32R32F: | ||
4476 | #ifdef GL_ARB_texture_rg | ||
4477 | if (FeatureAvailable[IRR_ARB_texture_rg]) | ||
4478 | fmt = GL_RG; | ||
4479 | else | ||
4480 | #endif | ||
4481 | fmt = GL_LUMINANCE_ALPHA; | ||
4482 | type = GL_FLOAT; | ||
4483 | break; | ||
4484 | case ECF_A32B32G32R32F: | ||
4485 | fmt = GL_BGRA; | ||
4486 | type = GL_FLOAT; | ||
4487 | break; | ||
4488 | default: | ||
4489 | fmt = GL_BGRA; | ||
4490 | type = GL_UNSIGNED_BYTE; | ||
4491 | break; | ||
4492 | } | ||
4493 | IImage* newImage = createImage(format, ScreenSize); | ||
4494 | |||
4495 | u8* pixels = 0; | ||
4496 | if (newImage) | ||
4497 | pixels = static_cast<u8*>(newImage->lock()); | ||
4498 | if (pixels) | ||
4499 | { | ||
4500 | GLenum tgt=GL_FRONT; | ||
4501 | switch (target) | ||
4502 | { | ||
4503 | case video::ERT_FRAME_BUFFER: | ||
4504 | break; | ||
4505 | case video::ERT_STEREO_LEFT_BUFFER: | ||
4506 | tgt=GL_FRONT_LEFT; | ||
4507 | break; | ||
4508 | case video::ERT_STEREO_RIGHT_BUFFER: | ||
4509 | tgt=GL_FRONT_RIGHT; | ||
4510 | break; | ||
4511 | default: | ||
4512 | tgt=GL_AUX0+(target-video::ERT_AUX_BUFFER0); | ||
4513 | break; | ||
4514 | } | ||
4515 | glReadBuffer(tgt); | ||
4516 | glReadPixels(0, 0, ScreenSize.Width, ScreenSize.Height, fmt, type, pixels); | ||
4517 | testGLError(); | ||
4518 | glReadBuffer(GL_BACK); | ||
4519 | } | ||
4520 | |||
4521 | #ifdef GL_MESA_pack_invert | ||
4522 | if (FeatureAvailable[IRR_MESA_pack_invert]) | ||
4523 | glPixelStorei(GL_PACK_INVERT_MESA, GL_FALSE); | ||
4524 | else | ||
4525 | #endif | ||
4526 | if (pixels) | ||
4527 | { | ||
4528 | // opengl images are horizontally flipped, so we have to fix that here. | ||
4529 | const s32 pitch=newImage->getPitch(); | ||
4530 | u8* p2 = pixels + (ScreenSize.Height - 1) * pitch; | ||
4531 | u8* tmpBuffer = new u8[pitch]; | ||
4532 | for (u32 i=0; i < ScreenSize.Height; i += 2) | ||
4533 | { | ||
4534 | memcpy(tmpBuffer, pixels, pitch); | ||
4535 | // for (u32 j=0; j<pitch; ++j) | ||
4536 | // { | ||
4537 | // pixels[j]=(u8)(p2[j]*255.f); | ||
4538 | // } | ||
4539 | memcpy(pixels, p2, pitch); | ||
4540 | // for (u32 j=0; j<pitch; ++j) | ||
4541 | // { | ||
4542 | // p2[j]=(u8)(tmpBuffer[j]*255.f); | ||
4543 | // } | ||
4544 | memcpy(p2, tmpBuffer, pitch); | ||
4545 | pixels += pitch; | ||
4546 | p2 -= pitch; | ||
4547 | } | ||
4548 | delete [] tmpBuffer; | ||
4549 | } | ||
4550 | |||
4551 | if (newImage) | ||
4552 | { | ||
4553 | newImage->unlock(); | ||
4554 | if (testGLError() || !pixels) | ||
4555 | { | ||
4556 | newImage->drop(); | ||
4557 | return 0; | ||
4558 | } | ||
4559 | } | ||
4560 | return newImage; | ||
4561 | } | ||
4562 | |||
4563 | |||
4564 | //! get depth texture for the given render target texture | ||
4565 | ITexture* COpenGLDriver::createDepthTexture(ITexture* texture, bool shared) | ||
4566 | { | ||
4567 | if ((texture->getDriverType() != EDT_OPENGL) || (!texture->isRenderTarget())) | ||
4568 | return 0; | ||
4569 | COpenGLTexture* tex = static_cast<COpenGLTexture*>(texture); | ||
4570 | |||
4571 | if (!tex->isFrameBufferObject()) | ||
4572 | return 0; | ||
4573 | |||
4574 | if (shared) | ||
4575 | { | ||
4576 | for (u32 i=0; i<DepthTextures.size(); ++i) | ||
4577 | { | ||
4578 | if (DepthTextures[i]->getSize()==texture->getSize()) | ||
4579 | { | ||
4580 | DepthTextures[i]->grab(); | ||
4581 | return DepthTextures[i]; | ||
4582 | } | ||
4583 | } | ||
4584 | DepthTextures.push_back(new COpenGLFBODepthTexture(texture->getSize(), "depth1", this)); | ||
4585 | return DepthTextures.getLast(); | ||
4586 | } | ||
4587 | return (new COpenGLFBODepthTexture(texture->getSize(), "depth1", this)); | ||
4588 | } | ||
4589 | |||
4590 | |||
4591 | void COpenGLDriver::removeDepthTexture(ITexture* texture) | ||
4592 | { | ||
4593 | for (u32 i=0; i<DepthTextures.size(); ++i) | ||
4594 | { | ||
4595 | if (texture==DepthTextures[i]) | ||
4596 | { | ||
4597 | DepthTextures.erase(i); | ||
4598 | return; | ||
4599 | } | ||
4600 | } | ||
4601 | } | ||
4602 | |||
4603 | |||
4604 | //! Set/unset a clipping plane. | ||
4605 | bool COpenGLDriver::setClipPlane(u32 index, const core::plane3df& plane, bool enable) | ||
4606 | { | ||
4607 | if (index >= MaxUserClipPlanes) | ||
4608 | return false; | ||
4609 | |||
4610 | UserClipPlanes[index].Plane=plane; | ||
4611 | enableClipPlane(index, enable); | ||
4612 | return true; | ||
4613 | } | ||
4614 | |||
4615 | |||
4616 | void COpenGLDriver::uploadClipPlane(u32 index) | ||
4617 | { | ||
4618 | // opengl needs an array of doubles for the plane equation | ||
4619 | GLdouble clip_plane[4]; | ||
4620 | clip_plane[0] = UserClipPlanes[index].Plane.Normal.X; | ||
4621 | clip_plane[1] = UserClipPlanes[index].Plane.Normal.Y; | ||
4622 | clip_plane[2] = UserClipPlanes[index].Plane.Normal.Z; | ||
4623 | clip_plane[3] = UserClipPlanes[index].Plane.D; | ||
4624 | glClipPlane(GL_CLIP_PLANE0 + index, clip_plane); | ||
4625 | } | ||
4626 | |||
4627 | |||
4628 | //! Enable/disable a clipping plane. | ||
4629 | void COpenGLDriver::enableClipPlane(u32 index, bool enable) | ||
4630 | { | ||
4631 | if (index >= MaxUserClipPlanes) | ||
4632 | return; | ||
4633 | if (enable) | ||
4634 | { | ||
4635 | if (!UserClipPlanes[index].Enabled) | ||
4636 | { | ||
4637 | uploadClipPlane(index); | ||
4638 | glEnable(GL_CLIP_PLANE0 + index); | ||
4639 | } | ||
4640 | } | ||
4641 | else | ||
4642 | glDisable(GL_CLIP_PLANE0 + index); | ||
4643 | |||
4644 | UserClipPlanes[index].Enabled=enable; | ||
4645 | } | ||
4646 | |||
4647 | |||
4648 | core::dimension2du COpenGLDriver::getMaxTextureSize() const | ||
4649 | { | ||
4650 | return core::dimension2du(MaxTextureSize, MaxTextureSize); | ||
4651 | } | ||
4652 | |||
4653 | |||
4654 | //! Convert E_PRIMITIVE_TYPE to OpenGL equivalent | ||
4655 | GLenum COpenGLDriver::primitiveTypeToGL(scene::E_PRIMITIVE_TYPE type) const | ||
4656 | { | ||
4657 | switch (type) | ||
4658 | { | ||
4659 | case scene::EPT_POINTS: | ||
4660 | return GL_POINTS; | ||
4661 | case scene::EPT_LINE_STRIP: | ||
4662 | return GL_LINE_STRIP; | ||
4663 | case scene::EPT_LINE_LOOP: | ||
4664 | return GL_LINE_LOOP; | ||
4665 | case scene::EPT_LINES: | ||
4666 | return GL_LINES; | ||
4667 | case scene::EPT_TRIANGLE_STRIP: | ||
4668 | return GL_TRIANGLE_STRIP; | ||
4669 | case scene::EPT_TRIANGLE_FAN: | ||
4670 | return GL_TRIANGLE_FAN; | ||
4671 | case scene::EPT_TRIANGLES: | ||
4672 | return GL_TRIANGLES; | ||
4673 | case scene::EPT_QUAD_STRIP: | ||
4674 | return GL_QUAD_STRIP; | ||
4675 | case scene::EPT_QUADS: | ||
4676 | return GL_QUADS; | ||
4677 | case scene::EPT_POLYGON: | ||
4678 | return GL_POLYGON; | ||
4679 | case scene::EPT_POINT_SPRITES: | ||
4680 | #ifdef GL_ARB_point_sprite | ||
4681 | return GL_POINT_SPRITE_ARB; | ||
4682 | #else | ||
4683 | return GL_POINTS; | ||
4684 | #endif | ||
4685 | } | ||
4686 | return GL_TRIANGLES; | ||
4687 | } | ||
4688 | |||
4689 | |||
4690 | GLenum COpenGLDriver::getGLBlend(E_BLEND_FACTOR factor) const | ||
4691 | { | ||
4692 | GLenum r = 0; | ||
4693 | switch (factor) | ||
4694 | { | ||
4695 | case EBF_ZERO: r = GL_ZERO; break; | ||
4696 | case EBF_ONE: r = GL_ONE; break; | ||
4697 | case EBF_DST_COLOR: r = GL_DST_COLOR; break; | ||
4698 | case EBF_ONE_MINUS_DST_COLOR: r = GL_ONE_MINUS_DST_COLOR; break; | ||
4699 | case EBF_SRC_COLOR: r = GL_SRC_COLOR; break; | ||
4700 | case EBF_ONE_MINUS_SRC_COLOR: r = GL_ONE_MINUS_SRC_COLOR; break; | ||
4701 | case EBF_SRC_ALPHA: r = GL_SRC_ALPHA; break; | ||
4702 | case EBF_ONE_MINUS_SRC_ALPHA: r = GL_ONE_MINUS_SRC_ALPHA; break; | ||
4703 | case EBF_DST_ALPHA: r = GL_DST_ALPHA; break; | ||
4704 | case EBF_ONE_MINUS_DST_ALPHA: r = GL_ONE_MINUS_DST_ALPHA; break; | ||
4705 | case EBF_SRC_ALPHA_SATURATE: r = GL_SRC_ALPHA_SATURATE; break; | ||
4706 | } | ||
4707 | return r; | ||
4708 | } | ||
4709 | |||
4710 | GLenum COpenGLDriver::getZBufferBits() const | ||
4711 | { | ||
4712 | GLenum bits = 0; | ||
4713 | switch (Params.ZBufferBits) | ||
4714 | { | ||
4715 | case 16: | ||
4716 | bits = GL_DEPTH_COMPONENT16; | ||
4717 | break; | ||
4718 | case 24: | ||
4719 | bits = GL_DEPTH_COMPONENT24; | ||
4720 | break; | ||
4721 | case 32: | ||
4722 | bits = GL_DEPTH_COMPONENT32; | ||
4723 | break; | ||
4724 | default: | ||
4725 | bits = GL_DEPTH_COMPONENT; | ||
4726 | break; | ||
4727 | } | ||
4728 | return bits; | ||
4729 | } | ||
4730 | |||
4731 | #ifdef _IRR_COMPILE_WITH_CG_ | ||
4732 | const CGcontext& COpenGLDriver::getCgContext() | ||
4733 | { | ||
4734 | return CgContext; | ||
4735 | } | ||
4736 | #endif | ||
4737 | |||
4738 | |||
4739 | } // end namespace | ||
4740 | } // end namespace | ||
4741 | |||
4742 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4743 | |||
4744 | namespace irr | ||
4745 | { | ||
4746 | namespace video | ||
4747 | { | ||
4748 | |||
4749 | |||
4750 | // ----------------------------------- | ||
4751 | // WINDOWS VERSION | ||
4752 | // ----------------------------------- | ||
4753 | #ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
4754 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4755 | io::IFileSystem* io, CIrrDeviceWin32* device) | ||
4756 | { | ||
4757 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4758 | COpenGLDriver* ogl = new COpenGLDriver(params, io, device); | ||
4759 | if (!ogl->initDriver(device)) | ||
4760 | { | ||
4761 | ogl->drop(); | ||
4762 | ogl = 0; | ||
4763 | } | ||
4764 | return ogl; | ||
4765 | #else | ||
4766 | return 0; | ||
4767 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4768 | } | ||
4769 | #endif // _IRR_COMPILE_WITH_WINDOWS_DEVICE_ | ||
4770 | |||
4771 | // ----------------------------------- | ||
4772 | // MACOSX VERSION | ||
4773 | // ----------------------------------- | ||
4774 | #if defined(_IRR_COMPILE_WITH_OSX_DEVICE_) | ||
4775 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4776 | io::IFileSystem* io, CIrrDeviceMacOSX *device) | ||
4777 | { | ||
4778 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4779 | return new COpenGLDriver(params, io, device); | ||
4780 | #else | ||
4781 | return 0; | ||
4782 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4783 | } | ||
4784 | #endif // _IRR_COMPILE_WITH_OSX_DEVICE_ | ||
4785 | |||
4786 | // ----------------------------------- | ||
4787 | // X11 VERSION | ||
4788 | // ----------------------------------- | ||
4789 | #ifdef _IRR_COMPILE_WITH_X11_DEVICE_ | ||
4790 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4791 | io::IFileSystem* io, CIrrDeviceLinux* device) | ||
4792 | { | ||
4793 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4794 | COpenGLDriver* ogl = new COpenGLDriver(params, io, device); | ||
4795 | if (!ogl->initDriver(device)) | ||
4796 | { | ||
4797 | ogl->drop(); | ||
4798 | ogl = 0; | ||
4799 | } | ||
4800 | return ogl; | ||
4801 | #else | ||
4802 | return 0; | ||
4803 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4804 | } | ||
4805 | #endif // _IRR_COMPILE_WITH_X11_DEVICE_ | ||
4806 | |||
4807 | |||
4808 | // ----------------------------------- | ||
4809 | // SDL VERSION | ||
4810 | // ----------------------------------- | ||
4811 | #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
4812 | IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, | ||
4813 | io::IFileSystem* io, CIrrDeviceSDL* device) | ||
4814 | { | ||
4815 | #ifdef _IRR_COMPILE_WITH_OPENGL_ | ||
4816 | return new COpenGLDriver(params, io, device); | ||
4817 | #else | ||
4818 | return 0; | ||
4819 | #endif // _IRR_COMPILE_WITH_OPENGL_ | ||
4820 | } | ||
4821 | #endif // _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
4822 | |||
4823 | } // end namespace | ||
4824 | } // end namespace | ||
4825 | |||
4826 | |||