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authorDavid Walter Seikel2013-01-13 18:54:10 +1000
committerDavid Walter Seikel2013-01-13 18:54:10 +1000
commit959831f4ef5a3e797f576c3de08cd65032c997ad (patch)
treee7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudVertexAlpha2.cpp
parentAdd info about changes to Irrlicht. (diff)
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Remove damned ancient DOS line endings from Irrlicht. Hopefully I did not go overboard.
Diffstat (limited to '')
-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudVertexAlpha2.cpp1380
1 files changed, 690 insertions, 690 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudVertexAlpha2.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudVertexAlpha2.cpp
index 5dad045..e8f00e2 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudVertexAlpha2.cpp
+++ b/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudVertexAlpha2.cpp
@@ -1,690 +1,690 @@
1// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten 1// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
2// This file is part of the "Irrlicht Engine". 2// This file is part of the "Irrlicht Engine".
3// For conditions of distribution and use, see copyright notice in irrlicht.h 3// For conditions of distribution and use, see copyright notice in irrlicht.h
4 4
5#include "IrrCompileConfig.h" 5#include "IrrCompileConfig.h"
6#include "IBurningShader.h" 6#include "IBurningShader.h"
7 7
8#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_ 8#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
9 9
10// compile flag for this file 10// compile flag for this file
11#undef USE_ZBUFFER 11#undef USE_ZBUFFER
12#undef IPOL_Z 12#undef IPOL_Z
13#undef CMP_Z 13#undef CMP_Z
14#undef WRITE_Z 14#undef WRITE_Z
15 15
16#undef IPOL_W 16#undef IPOL_W
17#undef CMP_W 17#undef CMP_W
18#undef WRITE_W 18#undef WRITE_W
19 19
20#undef SUBTEXEL 20#undef SUBTEXEL
21#undef INVERSE_W 21#undef INVERSE_W
22 22
23#undef IPOL_C0 23#undef IPOL_C0
24#undef IPOL_T0 24#undef IPOL_T0
25#undef IPOL_T1 25#undef IPOL_T1
26 26
27// define render case 27// define render case
28#define SUBTEXEL 28#define SUBTEXEL
29#define INVERSE_W 29#define INVERSE_W
30 30
31#define USE_ZBUFFER 31#define USE_ZBUFFER
32#define IPOL_W 32#define IPOL_W
33#define CMP_W 33#define CMP_W
34//#define WRITE_W 34//#define WRITE_W
35 35
36#define IPOL_C0 36#define IPOL_C0
37#define IPOL_T0 37#define IPOL_T0
38//#define IPOL_T1 38//#define IPOL_T1
39 39
40// apply global override 40// apply global override
41#ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT 41#ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT
42 #undef INVERSE_W 42 #undef INVERSE_W
43#endif 43#endif
44 44
45#ifndef SOFTWARE_DRIVER_2_SUBTEXEL 45#ifndef SOFTWARE_DRIVER_2_SUBTEXEL
46 #undef SUBTEXEL 46 #undef SUBTEXEL
47#endif 47#endif
48 48
49#ifndef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR 49#ifndef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR
50 #undef IPOL_C0 50 #undef IPOL_C0
51#endif 51#endif
52 52
53#if !defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) && defined ( USE_ZBUFFER ) 53#if !defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) && defined ( USE_ZBUFFER )
54 #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT 54 #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT
55 #undef IPOL_W 55 #undef IPOL_W
56 #endif 56 #endif
57 #define IPOL_Z 57 #define IPOL_Z
58 58
59 #ifdef CMP_W 59 #ifdef CMP_W
60 #undef CMP_W 60 #undef CMP_W
61 #define CMP_Z 61 #define CMP_Z
62 #endif 62 #endif
63 63
64 #ifdef WRITE_W 64 #ifdef WRITE_W
65 #undef WRITE_W 65 #undef WRITE_W
66 #define WRITE_Z 66 #define WRITE_Z
67 #endif 67 #endif
68 68
69#endif 69#endif
70 70
71namespace irr 71namespace irr
72{ 72{
73 73
74namespace video 74namespace video
75{ 75{
76 76
77class CTRTextureVertexAlpha2 : public IBurningShader 77class CTRTextureVertexAlpha2 : public IBurningShader
78{ 78{
79public: 79public:
80 80
81 //! constructor 81 //! constructor
82 CTRTextureVertexAlpha2(CBurningVideoDriver* driver); 82 CTRTextureVertexAlpha2(CBurningVideoDriver* driver);
83 83
84 //! draws an indexed triangle list 84 //! draws an indexed triangle list
85 virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ); 85 virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c );
86 86
87 87
88private: 88private:
89 void scanline_bilinear (); 89 void scanline_bilinear ();
90 sScanConvertData scan; 90 sScanConvertData scan;
91 sScanLineData line; 91 sScanLineData line;
92 92
93}; 93};
94 94
95//! constructor 95//! constructor
96CTRTextureVertexAlpha2::CTRTextureVertexAlpha2(CBurningVideoDriver* driver) 96CTRTextureVertexAlpha2::CTRTextureVertexAlpha2(CBurningVideoDriver* driver)
97: IBurningShader(driver) 97: IBurningShader(driver)
98{ 98{
99 #ifdef _DEBUG 99 #ifdef _DEBUG
100 setDebugName("CTRTextureVertexAlpha2"); 100 setDebugName("CTRTextureVertexAlpha2");
101 #endif 101 #endif
102} 102}
103 103
104 104
105 105
106/*! 106/*!
107*/ 107*/
108void CTRTextureVertexAlpha2::scanline_bilinear ( ) 108void CTRTextureVertexAlpha2::scanline_bilinear ( )
109{ 109{
110 tVideoSample *dst; 110 tVideoSample *dst;
111 111
112#ifdef USE_ZBUFFER 112#ifdef USE_ZBUFFER
113 fp24 *z; 113 fp24 *z;
114#endif 114#endif
115 115
116 s32 xStart; 116 s32 xStart;
117 s32 xEnd; 117 s32 xEnd;
118 s32 dx; 118 s32 dx;
119 119
120 120
121#ifdef SUBTEXEL 121#ifdef SUBTEXEL
122 f32 subPixel; 122 f32 subPixel;
123#endif 123#endif
124 124
125#ifdef IPOL_Z 125#ifdef IPOL_Z
126 f32 slopeZ; 126 f32 slopeZ;
127#endif 127#endif
128#ifdef IPOL_W 128#ifdef IPOL_W
129 fp24 slopeW; 129 fp24 slopeW;
130#endif 130#endif
131#ifdef IPOL_C0 131#ifdef IPOL_C0
132 sVec4 slopeC; 132 sVec4 slopeC;
133#endif 133#endif
134#ifdef IPOL_T0 134#ifdef IPOL_T0
135 sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES]; 135 sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
136#endif 136#endif
137 137
138 // apply top-left fill-convention, left 138 // apply top-left fill-convention, left
139 xStart = core::ceil32( line.x[0] ); 139 xStart = core::ceil32( line.x[0] );
140 xEnd = core::ceil32( line.x[1] ) - 1; 140 xEnd = core::ceil32( line.x[1] ) - 1;
141 141
142 dx = xEnd - xStart; 142 dx = xEnd - xStart;
143 143
144 if ( dx < 0 ) 144 if ( dx < 0 )
145 return; 145 return;
146 146
147 // slopes 147 // slopes
148 const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] ); 148 const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
149 149
150#ifdef IPOL_Z 150#ifdef IPOL_Z
151 slopeZ = (line.z[1] - line.z[0]) * invDeltaX; 151 slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
152#endif 152#endif
153#ifdef IPOL_W 153#ifdef IPOL_W
154 slopeW = (line.w[1] - line.w[0]) * invDeltaX; 154 slopeW = (line.w[1] - line.w[0]) * invDeltaX;
155#endif 155#endif
156#ifdef IPOL_C0 156#ifdef IPOL_C0
157 slopeC = (line.c[0][1] - line.c[0][0]) * invDeltaX; 157 slopeC = (line.c[0][1] - line.c[0][0]) * invDeltaX;
158#endif 158#endif
159#ifdef IPOL_T0 159#ifdef IPOL_T0
160 slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX; 160 slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
161#endif 161#endif
162#ifdef IPOL_T1 162#ifdef IPOL_T1
163 slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX; 163 slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
164#endif 164#endif
165 165
166#ifdef SUBTEXEL 166#ifdef SUBTEXEL
167 subPixel = ( (f32) xStart ) - line.x[0]; 167 subPixel = ( (f32) xStart ) - line.x[0];
168#ifdef IPOL_Z 168#ifdef IPOL_Z
169 line.z[0] += slopeZ * subPixel; 169 line.z[0] += slopeZ * subPixel;
170#endif 170#endif
171#ifdef IPOL_W 171#ifdef IPOL_W
172 line.w[0] += slopeW * subPixel; 172 line.w[0] += slopeW * subPixel;
173#endif 173#endif
174#ifdef IPOL_C0 174#ifdef IPOL_C0
175 line.c[0][0] += slopeC * subPixel; 175 line.c[0][0] += slopeC * subPixel;
176#endif 176#endif
177#ifdef IPOL_T0 177#ifdef IPOL_T0
178 line.t[0][0] += slopeT[0] * subPixel; 178 line.t[0][0] += slopeT[0] * subPixel;
179#endif 179#endif
180#ifdef IPOL_T1 180#ifdef IPOL_T1
181 line.t[1][0] += slopeT[1] * subPixel; 181 line.t[1][0] += slopeT[1] * subPixel;
182#endif 182#endif
183#endif 183#endif
184 184
185 dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; 185 dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
186 186
187#ifdef USE_ZBUFFER 187#ifdef USE_ZBUFFER
188 z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; 188 z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
189#endif 189#endif
190 190
191 191
192#ifdef INVERSE_W 192#ifdef INVERSE_W
193 f32 inversew; 193 f32 inversew;
194#endif 194#endif
195 195
196//#define __TEST_THIS 196//#define __TEST_THIS
197 197
198#ifdef __TEST_THIS 198#ifdef __TEST_THIS
199 199
200#else 200#else
201 tFixPoint tx0; 201 tFixPoint tx0;
202 tFixPoint ty0; 202 tFixPoint ty0;
203 203
204 tFixPoint r0, g0, b0; 204 tFixPoint r0, g0, b0;
205 tFixPoint r1, g1, b1; 205 tFixPoint r1, g1, b1;
206 tFixPoint r2, g2, b2; 206 tFixPoint r2, g2, b2;
207#endif 207#endif
208 208
209 209
210#ifdef IPOL_C0 210#ifdef IPOL_C0
211 tFixPoint a3; 211 tFixPoint a3;
212#endif 212#endif
213 213
214 214
215 for ( s32 i = 0; i <= dx; ++i ) 215 for ( s32 i = 0; i <= dx; ++i )
216 { 216 {
217#ifdef CMP_Z 217#ifdef CMP_Z
218 if ( line.z[0] < z[i] ) 218 if ( line.z[0] < z[i] )
219#endif 219#endif
220#ifdef CMP_W 220#ifdef CMP_W
221 if ( line.w[0] >= z[i] ) 221 if ( line.w[0] >= z[i] )
222#endif 222#endif
223 223
224 { 224 {
225#ifdef __TEST_THIS 225#ifdef __TEST_THIS
226 226
227 inversew = fix_inverse32 ( line.w[0] ); 227 inversew = fix_inverse32 ( line.w[0] );
228 228
229 dst[i] = PixelAdd32 ( 229 dst[i] = PixelAdd32 (
230 dst[i], 230 dst[i],
231 getTexel_plain ( &IT[0], tofix ( line.t[0][0].x,inversew), 231 getTexel_plain ( &IT[0], tofix ( line.t[0][0].x,inversew),
232 tofix ( line.t[0][0].y,inversew) ) 232 tofix ( line.t[0][0].y,inversew) )
233 ); 233 );
234 234
235#else 235#else
236 236
237#ifdef INVERSE_W 237#ifdef INVERSE_W
238 inversew = fix_inverse32 ( line.w[0] ); 238 inversew = fix_inverse32 ( line.w[0] );
239 239
240 tx0 = tofix ( line.t[0][0].x,inversew); 240 tx0 = tofix ( line.t[0][0].x,inversew);
241 ty0 = tofix ( line.t[0][0].y,inversew); 241 ty0 = tofix ( line.t[0][0].y,inversew);
242 242
243#ifdef IPOL_C0 243#ifdef IPOL_C0
244 a3 = tofix ( line.c[0][0].y,inversew ); 244 a3 = tofix ( line.c[0][0].y,inversew );
245#endif 245#endif
246 246
247#else 247#else
248 tx0 = tofix ( line.t[0][0].x ); 248 tx0 = tofix ( line.t[0][0].x );
249 ty0 = tofix ( line.t[0][0].y ); 249 ty0 = tofix ( line.t[0][0].y );
250 250
251#ifdef IPOL_C0 251#ifdef IPOL_C0
252 a3 = tofix ( line.c[0][0].y ); 252 a3 = tofix ( line.c[0][0].y );
253#endif 253#endif
254 254
255 255
256#endif 256#endif
257 257
258 getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 ); 258 getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 );
259 color_to_fix ( r1, g1, b1, dst[i] ); 259 color_to_fix ( r1, g1, b1, dst[i] );
260 260
261#ifdef IPOL_C0 261#ifdef IPOL_C0
262 r2 = clampfix_maxcolor ( r1 + imulFix ( r0, a3 ) ); 262 r2 = clampfix_maxcolor ( r1 + imulFix ( r0, a3 ) );
263 g2 = clampfix_maxcolor ( g1 + imulFix ( g0, a3 ) ); 263 g2 = clampfix_maxcolor ( g1 + imulFix ( g0, a3 ) );
264 b2 = clampfix_maxcolor ( b1 + imulFix ( b0, a3 ) ); 264 b2 = clampfix_maxcolor ( b1 + imulFix ( b0, a3 ) );
265#else 265#else
266 r2 = clampfix_maxcolor ( r1 + r0 ); 266 r2 = clampfix_maxcolor ( r1 + r0 );
267 g2 = clampfix_maxcolor ( g1 + g0 ); 267 g2 = clampfix_maxcolor ( g1 + g0 );
268 b2 = clampfix_maxcolor ( b1 + b0 ); 268 b2 = clampfix_maxcolor ( b1 + b0 );
269#endif 269#endif
270 270
271 dst[i] = fix_to_color ( r2, g2, b2 ); 271 dst[i] = fix_to_color ( r2, g2, b2 );
272 272
273#ifdef WRITE_Z 273#ifdef WRITE_Z
274 z[i] = line.z[0]; 274 z[i] = line.z[0];
275#endif 275#endif
276#ifdef WRITE_W 276#ifdef WRITE_W
277 z[i] = line.w[0]; 277 z[i] = line.w[0];
278#endif 278#endif
279#endif 279#endif
280 } 280 }
281 281
282#ifdef IPOL_Z 282#ifdef IPOL_Z
283 line.z[0] += slopeZ; 283 line.z[0] += slopeZ;
284#endif 284#endif
285#ifdef IPOL_W 285#ifdef IPOL_W
286 line.w[0] += slopeW; 286 line.w[0] += slopeW;
287#endif 287#endif
288#ifdef IPOL_C0 288#ifdef IPOL_C0
289 line.c[0][0] += slopeC; 289 line.c[0][0] += slopeC;
290#endif 290#endif
291#ifdef IPOL_T0 291#ifdef IPOL_T0
292 line.t[0][0] += slopeT[0]; 292 line.t[0][0] += slopeT[0];
293#endif 293#endif
294#ifdef IPOL_T1 294#ifdef IPOL_T1
295 line.t[1][0] += slopeT[1]; 295 line.t[1][0] += slopeT[1];
296#endif 296#endif
297 } 297 }
298 298
299} 299}
300 300
301void CTRTextureVertexAlpha2::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ) 301void CTRTextureVertexAlpha2::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c )
302{ 302{
303 // sort on height, y 303 // sort on height, y
304 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); 304 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
305 if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c); 305 if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c);
306 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); 306 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
307 307
308 const f32 ca = c->Pos.y - a->Pos.y; 308 const f32 ca = c->Pos.y - a->Pos.y;
309 const f32 ba = b->Pos.y - a->Pos.y; 309 const f32 ba = b->Pos.y - a->Pos.y;
310 const f32 cb = c->Pos.y - b->Pos.y; 310 const f32 cb = c->Pos.y - b->Pos.y;
311 // calculate delta y of the edges 311 // calculate delta y of the edges
312 scan.invDeltaY[0] = core::reciprocal( ca ); 312 scan.invDeltaY[0] = core::reciprocal( ca );
313 scan.invDeltaY[1] = core::reciprocal( ba ); 313 scan.invDeltaY[1] = core::reciprocal( ba );
314 scan.invDeltaY[2] = core::reciprocal( cb ); 314 scan.invDeltaY[2] = core::reciprocal( cb );
315 315
316 if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) ) 316 if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) )
317 return; 317 return;
318 318
319 // find if the major edge is left or right aligned 319 // find if the major edge is left or right aligned
320 f32 temp[4]; 320 f32 temp[4];
321 321
322 temp[0] = a->Pos.x - c->Pos.x; 322 temp[0] = a->Pos.x - c->Pos.x;
323 temp[1] = -ca; 323 temp[1] = -ca;
324 temp[2] = b->Pos.x - a->Pos.x; 324 temp[2] = b->Pos.x - a->Pos.x;
325 temp[3] = ba; 325 temp[3] = ba;
326 326
327 scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1; 327 scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1;
328 scan.right = 1 - scan.left; 328 scan.right = 1 - scan.left;
329 329
330 // calculate slopes for the major edge 330 // calculate slopes for the major edge
331 scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0]; 331 scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0];
332 scan.x[0] = a->Pos.x; 332 scan.x[0] = a->Pos.x;
333 333
334#ifdef IPOL_Z 334#ifdef IPOL_Z
335 scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0]; 335 scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0];
336 scan.z[0] = a->Pos.z; 336 scan.z[0] = a->Pos.z;
337#endif 337#endif
338 338
339#ifdef IPOL_W 339#ifdef IPOL_W
340 scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0]; 340 scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0];
341 scan.w[0] = a->Pos.w; 341 scan.w[0] = a->Pos.w;
342#endif 342#endif
343 343
344#ifdef IPOL_C0 344#ifdef IPOL_C0
345 scan.slopeC[0][0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0]; 345 scan.slopeC[0][0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0];
346 scan.c[0][0] = a->Color[0]; 346 scan.c[0][0] = a->Color[0];
347#endif 347#endif
348 348
349#ifdef IPOL_T0 349#ifdef IPOL_T0
350 scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0]; 350 scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0];
351 scan.t[0][0] = a->Tex[0]; 351 scan.t[0][0] = a->Tex[0];
352#endif 352#endif
353 353
354#ifdef IPOL_T1 354#ifdef IPOL_T1
355 scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0]; 355 scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0];
356 scan.t[1][0] = a->Tex[1]; 356 scan.t[1][0] = a->Tex[1];
357#endif 357#endif
358 358
359 // top left fill convention y run 359 // top left fill convention y run
360 s32 yStart; 360 s32 yStart;
361 s32 yEnd; 361 s32 yEnd;
362 362
363#ifdef SUBTEXEL 363#ifdef SUBTEXEL
364 f32 subPixel; 364 f32 subPixel;
365#endif 365#endif
366 366
367 // rasterize upper sub-triangle 367 // rasterize upper sub-triangle
368 if ( (f32) 0.0 != scan.invDeltaY[1] ) 368 if ( (f32) 0.0 != scan.invDeltaY[1] )
369 { 369 {
370 // calculate slopes for top edge 370 // calculate slopes for top edge
371 scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1]; 371 scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1];
372 scan.x[1] = a->Pos.x; 372 scan.x[1] = a->Pos.x;
373 373
374#ifdef IPOL_Z 374#ifdef IPOL_Z
375 scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1]; 375 scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1];
376 scan.z[1] = a->Pos.z; 376 scan.z[1] = a->Pos.z;
377#endif 377#endif
378 378
379#ifdef IPOL_W 379#ifdef IPOL_W
380 scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1]; 380 scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1];
381 scan.w[1] = a->Pos.w; 381 scan.w[1] = a->Pos.w;
382#endif 382#endif
383 383
384#ifdef IPOL_C0 384#ifdef IPOL_C0
385 scan.slopeC[0][1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1]; 385 scan.slopeC[0][1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1];
386 scan.c[0][1] = a->Color[0]; 386 scan.c[0][1] = a->Color[0];
387#endif 387#endif
388 388
389#ifdef IPOL_T0 389#ifdef IPOL_T0
390 scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1]; 390 scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1];
391 scan.t[0][1] = a->Tex[0]; 391 scan.t[0][1] = a->Tex[0];
392#endif 392#endif
393 393
394#ifdef IPOL_T1 394#ifdef IPOL_T1
395 scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1]; 395 scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1];
396 scan.t[1][1] = a->Tex[1]; 396 scan.t[1][1] = a->Tex[1];
397#endif 397#endif
398 398
399 // apply top-left fill convention, top part 399 // apply top-left fill convention, top part
400 yStart = core::ceil32( a->Pos.y ); 400 yStart = core::ceil32( a->Pos.y );
401 yEnd = core::ceil32( b->Pos.y ) - 1; 401 yEnd = core::ceil32( b->Pos.y ) - 1;
402 402
403#ifdef SUBTEXEL 403#ifdef SUBTEXEL
404 subPixel = ( (f32) yStart ) - a->Pos.y; 404 subPixel = ( (f32) yStart ) - a->Pos.y;
405 405
406 // correct to pixel center 406 // correct to pixel center
407 scan.x[0] += scan.slopeX[0] * subPixel; 407 scan.x[0] += scan.slopeX[0] * subPixel;
408 scan.x[1] += scan.slopeX[1] * subPixel; 408 scan.x[1] += scan.slopeX[1] * subPixel;
409 409
410#ifdef IPOL_Z 410#ifdef IPOL_Z
411 scan.z[0] += scan.slopeZ[0] * subPixel; 411 scan.z[0] += scan.slopeZ[0] * subPixel;
412 scan.z[1] += scan.slopeZ[1] * subPixel; 412 scan.z[1] += scan.slopeZ[1] * subPixel;
413#endif 413#endif
414 414
415#ifdef IPOL_W 415#ifdef IPOL_W
416 scan.w[0] += scan.slopeW[0] * subPixel; 416 scan.w[0] += scan.slopeW[0] * subPixel;
417 scan.w[1] += scan.slopeW[1] * subPixel; 417 scan.w[1] += scan.slopeW[1] * subPixel;
418#endif 418#endif
419 419
420#ifdef IPOL_C0 420#ifdef IPOL_C0
421 scan.c[0][0] += scan.slopeC[0][0] * subPixel; 421 scan.c[0][0] += scan.slopeC[0][0] * subPixel;
422 scan.c[0][1] += scan.slopeC[0][1] * subPixel; 422 scan.c[0][1] += scan.slopeC[0][1] * subPixel;
423#endif 423#endif
424 424
425#ifdef IPOL_T0 425#ifdef IPOL_T0
426 scan.t[0][0] += scan.slopeT[0][0] * subPixel; 426 scan.t[0][0] += scan.slopeT[0][0] * subPixel;
427 scan.t[0][1] += scan.slopeT[0][1] * subPixel; 427 scan.t[0][1] += scan.slopeT[0][1] * subPixel;
428#endif 428#endif
429 429
430#ifdef IPOL_T1 430#ifdef IPOL_T1
431 scan.t[1][0] += scan.slopeT[1][0] * subPixel; 431 scan.t[1][0] += scan.slopeT[1][0] * subPixel;
432 scan.t[1][1] += scan.slopeT[1][1] * subPixel; 432 scan.t[1][1] += scan.slopeT[1][1] * subPixel;
433#endif 433#endif
434 434
435#endif 435#endif
436 436
437 // rasterize the edge scanlines 437 // rasterize the edge scanlines
438 for( line.y = yStart; line.y <= yEnd; ++line.y) 438 for( line.y = yStart; line.y <= yEnd; ++line.y)
439 { 439 {
440 line.x[scan.left] = scan.x[0]; 440 line.x[scan.left] = scan.x[0];
441 line.x[scan.right] = scan.x[1]; 441 line.x[scan.right] = scan.x[1];
442 442
443#ifdef IPOL_Z 443#ifdef IPOL_Z
444 line.z[scan.left] = scan.z[0]; 444 line.z[scan.left] = scan.z[0];
445 line.z[scan.right] = scan.z[1]; 445 line.z[scan.right] = scan.z[1];
446#endif 446#endif
447 447
448#ifdef IPOL_W 448#ifdef IPOL_W
449 line.w[scan.left] = scan.w[0]; 449 line.w[scan.left] = scan.w[0];
450 line.w[scan.right] = scan.w[1]; 450 line.w[scan.right] = scan.w[1];
451#endif 451#endif
452 452
453#ifdef IPOL_C0 453#ifdef IPOL_C0
454 line.c[0][scan.left] = scan.c[0][0]; 454 line.c[0][scan.left] = scan.c[0][0];
455 line.c[0][scan.right] = scan.c[0][1]; 455 line.c[0][scan.right] = scan.c[0][1];
456#endif 456#endif
457 457
458#ifdef IPOL_T0 458#ifdef IPOL_T0
459 line.t[0][scan.left] = scan.t[0][0]; 459 line.t[0][scan.left] = scan.t[0][0];
460 line.t[0][scan.right] = scan.t[0][1]; 460 line.t[0][scan.right] = scan.t[0][1];
461#endif 461#endif
462 462
463#ifdef IPOL_T1 463#ifdef IPOL_T1
464 line.t[1][scan.left] = scan.t[1][0]; 464 line.t[1][scan.left] = scan.t[1][0];
465 line.t[1][scan.right] = scan.t[1][1]; 465 line.t[1][scan.right] = scan.t[1][1];
466#endif 466#endif
467 467
468 // render a scanline 468 // render a scanline
469 scanline_bilinear (); 469 scanline_bilinear ();
470 470
471 scan.x[0] += scan.slopeX[0]; 471 scan.x[0] += scan.slopeX[0];
472 scan.x[1] += scan.slopeX[1]; 472 scan.x[1] += scan.slopeX[1];
473 473
474#ifdef IPOL_Z 474#ifdef IPOL_Z
475 scan.z[0] += scan.slopeZ[0]; 475 scan.z[0] += scan.slopeZ[0];
476 scan.z[1] += scan.slopeZ[1]; 476 scan.z[1] += scan.slopeZ[1];
477#endif 477#endif
478 478
479#ifdef IPOL_W 479#ifdef IPOL_W
480 scan.w[0] += scan.slopeW[0]; 480 scan.w[0] += scan.slopeW[0];
481 scan.w[1] += scan.slopeW[1]; 481 scan.w[1] += scan.slopeW[1];
482#endif 482#endif
483 483
484#ifdef IPOL_C0 484#ifdef IPOL_C0
485 scan.c[0][0] += scan.slopeC[0][0]; 485 scan.c[0][0] += scan.slopeC[0][0];
486 scan.c[0][1] += scan.slopeC[0][1]; 486 scan.c[0][1] += scan.slopeC[0][1];
487#endif 487#endif
488 488
489#ifdef IPOL_T0 489#ifdef IPOL_T0
490 scan.t[0][0] += scan.slopeT[0][0]; 490 scan.t[0][0] += scan.slopeT[0][0];
491 scan.t[0][1] += scan.slopeT[0][1]; 491 scan.t[0][1] += scan.slopeT[0][1];
492#endif 492#endif
493 493
494#ifdef IPOL_T1 494#ifdef IPOL_T1
495 scan.t[1][0] += scan.slopeT[1][0]; 495 scan.t[1][0] += scan.slopeT[1][0];
496 scan.t[1][1] += scan.slopeT[1][1]; 496 scan.t[1][1] += scan.slopeT[1][1];
497#endif 497#endif
498 498
499 } 499 }
500 } 500 }
501 501
502 // rasterize lower sub-triangle 502 // rasterize lower sub-triangle
503 if ( (f32) 0.0 != scan.invDeltaY[2] ) 503 if ( (f32) 0.0 != scan.invDeltaY[2] )
504 { 504 {
505 // advance to middle point 505 // advance to middle point
506 if( (f32) 0.0 != scan.invDeltaY[1] ) 506 if( (f32) 0.0 != scan.invDeltaY[1] )
507 { 507 {
508 temp[0] = b->Pos.y - a->Pos.y; // dy 508 temp[0] = b->Pos.y - a->Pos.y; // dy
509 509
510 scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0]; 510 scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0];
511#ifdef IPOL_Z 511#ifdef IPOL_Z
512 scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0]; 512 scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0];
513#endif 513#endif
514#ifdef IPOL_W 514#ifdef IPOL_W
515 scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0]; 515 scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0];
516#endif 516#endif
517#ifdef IPOL_C0 517#ifdef IPOL_C0
518 scan.c[0][0] = a->Color[0] + scan.slopeC[0][0] * temp[0]; 518 scan.c[0][0] = a->Color[0] + scan.slopeC[0][0] * temp[0];
519#endif 519#endif
520#ifdef IPOL_T0 520#ifdef IPOL_T0
521 scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0]; 521 scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0];
522#endif 522#endif
523#ifdef IPOL_T1 523#ifdef IPOL_T1
524 scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0]; 524 scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0];
525#endif 525#endif
526 526
527 } 527 }
528 528
529 // calculate slopes for bottom edge 529 // calculate slopes for bottom edge
530 scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2]; 530 scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2];
531 scan.x[1] = b->Pos.x; 531 scan.x[1] = b->Pos.x;
532 532
533#ifdef IPOL_Z 533#ifdef IPOL_Z
534 scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2]; 534 scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2];
535 scan.z[1] = b->Pos.z; 535 scan.z[1] = b->Pos.z;
536#endif 536#endif
537 537
538#ifdef IPOL_W 538#ifdef IPOL_W
539 scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2]; 539 scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2];
540 scan.w[1] = b->Pos.w; 540 scan.w[1] = b->Pos.w;
541#endif 541#endif
542 542
543#ifdef IPOL_C0 543#ifdef IPOL_C0
544 scan.slopeC[0][1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2]; 544 scan.slopeC[0][1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2];
545 scan.c[0][1] = b->Color[0]; 545 scan.c[0][1] = b->Color[0];
546#endif 546#endif
547 547
548#ifdef IPOL_T0 548#ifdef IPOL_T0
549 scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2]; 549 scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2];
550 scan.t[0][1] = b->Tex[0]; 550 scan.t[0][1] = b->Tex[0];
551#endif 551#endif
552 552
553#ifdef IPOL_T1 553#ifdef IPOL_T1
554 scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2]; 554 scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2];
555 scan.t[1][1] = b->Tex[1]; 555 scan.t[1][1] = b->Tex[1];
556#endif 556#endif
557 557
558 // apply top-left fill convention, top part 558 // apply top-left fill convention, top part
559 yStart = core::ceil32( b->Pos.y ); 559 yStart = core::ceil32( b->Pos.y );
560 yEnd = core::ceil32( c->Pos.y ) - 1; 560 yEnd = core::ceil32( c->Pos.y ) - 1;
561 561
562#ifdef SUBTEXEL 562#ifdef SUBTEXEL
563 563
564 subPixel = ( (f32) yStart ) - b->Pos.y; 564 subPixel = ( (f32) yStart ) - b->Pos.y;
565 565
566 // correct to pixel center 566 // correct to pixel center
567 scan.x[0] += scan.slopeX[0] * subPixel; 567 scan.x[0] += scan.slopeX[0] * subPixel;
568 scan.x[1] += scan.slopeX[1] * subPixel; 568 scan.x[1] += scan.slopeX[1] * subPixel;
569 569
570#ifdef IPOL_Z 570#ifdef IPOL_Z
571 scan.z[0] += scan.slopeZ[0] * subPixel; 571 scan.z[0] += scan.slopeZ[0] * subPixel;
572 scan.z[1] += scan.slopeZ[1] * subPixel; 572 scan.z[1] += scan.slopeZ[1] * subPixel;
573#endif 573#endif
574 574
575#ifdef IPOL_W 575#ifdef IPOL_W
576 scan.w[0] += scan.slopeW[0] * subPixel; 576 scan.w[0] += scan.slopeW[0] * subPixel;
577 scan.w[1] += scan.slopeW[1] * subPixel; 577 scan.w[1] += scan.slopeW[1] * subPixel;
578#endif 578#endif
579 579
580#ifdef IPOL_C0 580#ifdef IPOL_C0
581 scan.c[0][0] += scan.slopeC[0][0] * subPixel; 581 scan.c[0][0] += scan.slopeC[0][0] * subPixel;
582 scan.c[0][1] += scan.slopeC[0][1] * subPixel; 582 scan.c[0][1] += scan.slopeC[0][1] * subPixel;
583#endif 583#endif
584 584
585#ifdef IPOL_T0 585#ifdef IPOL_T0
586 scan.t[0][0] += scan.slopeT[0][0] * subPixel; 586 scan.t[0][0] += scan.slopeT[0][0] * subPixel;
587 scan.t[0][1] += scan.slopeT[0][1] * subPixel; 587 scan.t[0][1] += scan.slopeT[0][1] * subPixel;
588#endif 588#endif
589 589
590#ifdef IPOL_T1 590#ifdef IPOL_T1
591 scan.t[1][0] += scan.slopeT[1][0] * subPixel; 591 scan.t[1][0] += scan.slopeT[1][0] * subPixel;
592 scan.t[1][1] += scan.slopeT[1][1] * subPixel; 592 scan.t[1][1] += scan.slopeT[1][1] * subPixel;
593#endif 593#endif
594 594
595#endif 595#endif
596 596
597 // rasterize the edge scanlines 597 // rasterize the edge scanlines
598 for( line.y = yStart; line.y <= yEnd; ++line.y) 598 for( line.y = yStart; line.y <= yEnd; ++line.y)
599 { 599 {
600 line.x[scan.left] = scan.x[0]; 600 line.x[scan.left] = scan.x[0];
601 line.x[scan.right] = scan.x[1]; 601 line.x[scan.right] = scan.x[1];
602 602
603#ifdef IPOL_Z 603#ifdef IPOL_Z
604 line.z[scan.left] = scan.z[0]; 604 line.z[scan.left] = scan.z[0];
605 line.z[scan.right] = scan.z[1]; 605 line.z[scan.right] = scan.z[1];
606#endif 606#endif
607 607
608#ifdef IPOL_W 608#ifdef IPOL_W
609 line.w[scan.left] = scan.w[0]; 609 line.w[scan.left] = scan.w[0];
610 line.w[scan.right] = scan.w[1]; 610 line.w[scan.right] = scan.w[1];
611#endif 611#endif
612 612
613#ifdef IPOL_C0 613#ifdef IPOL_C0
614 line.c[0][scan.left] = scan.c[0][0]; 614 line.c[0][scan.left] = scan.c[0][0];
615 line.c[0][scan.right] = scan.c[0][1]; 615 line.c[0][scan.right] = scan.c[0][1];
616#endif 616#endif
617 617
618#ifdef IPOL_T0 618#ifdef IPOL_T0
619 line.t[0][scan.left] = scan.t[0][0]; 619 line.t[0][scan.left] = scan.t[0][0];
620 line.t[0][scan.right] = scan.t[0][1]; 620 line.t[0][scan.right] = scan.t[0][1];
621#endif 621#endif
622 622
623#ifdef IPOL_T1 623#ifdef IPOL_T1
624 line.t[1][scan.left] = scan.t[1][0]; 624 line.t[1][scan.left] = scan.t[1][0];
625 line.t[1][scan.right] = scan.t[1][1]; 625 line.t[1][scan.right] = scan.t[1][1];
626#endif 626#endif
627 627
628 // render a scanline 628 // render a scanline
629 scanline_bilinear (); 629 scanline_bilinear ();
630 630
631 scan.x[0] += scan.slopeX[0]; 631 scan.x[0] += scan.slopeX[0];
632 scan.x[1] += scan.slopeX[1]; 632 scan.x[1] += scan.slopeX[1];
633 633
634#ifdef IPOL_Z 634#ifdef IPOL_Z
635 scan.z[0] += scan.slopeZ[0]; 635 scan.z[0] += scan.slopeZ[0];
636 scan.z[1] += scan.slopeZ[1]; 636 scan.z[1] += scan.slopeZ[1];
637#endif 637#endif
638 638
639#ifdef IPOL_W 639#ifdef IPOL_W
640 scan.w[0] += scan.slopeW[0]; 640 scan.w[0] += scan.slopeW[0];
641 scan.w[1] += scan.slopeW[1]; 641 scan.w[1] += scan.slopeW[1];
642#endif 642#endif
643 643
644#ifdef IPOL_C0 644#ifdef IPOL_C0
645 scan.c[0][0] += scan.slopeC[0][0]; 645 scan.c[0][0] += scan.slopeC[0][0];
646 scan.c[0][1] += scan.slopeC[0][1]; 646 scan.c[0][1] += scan.slopeC[0][1];
647#endif 647#endif
648 648
649#ifdef IPOL_T0 649#ifdef IPOL_T0
650 scan.t[0][0] += scan.slopeT[0][0]; 650 scan.t[0][0] += scan.slopeT[0][0];
651 scan.t[0][1] += scan.slopeT[0][1]; 651 scan.t[0][1] += scan.slopeT[0][1];
652#endif 652#endif
653 653
654#ifdef IPOL_T1 654#ifdef IPOL_T1
655 scan.t[1][0] += scan.slopeT[1][0]; 655 scan.t[1][0] += scan.slopeT[1][0];
656 scan.t[1][1] += scan.slopeT[1][1]; 656 scan.t[1][1] += scan.slopeT[1][1];
657#endif 657#endif
658 658
659 } 659 }
660 } 660 }
661 661
662} 662}
663 663
664 664
665} // end namespace video 665} // end namespace video
666} // end namespace irr 666} // end namespace irr
667 667
668#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ 668#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
669 669
670namespace irr 670namespace irr
671{ 671{
672namespace video 672namespace video
673{ 673{
674 674
675//! creates a flat triangle renderer 675//! creates a flat triangle renderer
676IBurningShader* createTriangleRendererTextureVertexAlpha2(CBurningVideoDriver* driver) 676IBurningShader* createTriangleRendererTextureVertexAlpha2(CBurningVideoDriver* driver)
677{ 677{
678 #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_ 678 #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
679 return new CTRTextureVertexAlpha2(driver); 679 return new CTRTextureVertexAlpha2(driver);
680 #else 680 #else
681 return 0; 681 return 0;
682 #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ 682 #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
683} 683}
684 684
685 685
686} // end namespace video 686} // end namespace video
687} // end namespace irr 687} // end namespace irr
688 688
689 689
690 690
generated by cgit v1.1 at 2024-07-11 19:40:18 +0000