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-rw-r--r-- | libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMapGouraud2_M4.cpp | 690 |
1 files changed, 690 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMapGouraud2_M4.cpp b/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMapGouraud2_M4.cpp new file mode 100644 index 0000000..d7397f4 --- /dev/null +++ b/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMapGouraud2_M4.cpp | |||
@@ -0,0 +1,690 @@ | |||
1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten | ||
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 "IrrCompileConfig.h" | ||
6 | #include "IBurningShader.h" | ||
7 | |||
8 | #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_ | ||
9 | |||
10 | // compile flag for this file | ||
11 | #undef USE_ZBUFFER | ||
12 | #undef IPOL_Z | ||
13 | #undef CMP_Z | ||
14 | #undef WRITE_Z | ||
15 | |||
16 | #undef IPOL_W | ||
17 | #undef CMP_W | ||
18 | #undef WRITE_W | ||
19 | |||
20 | #undef SUBTEXEL | ||
21 | #undef INVERSE_W | ||
22 | |||
23 | #undef IPOL_C0 | ||
24 | #undef IPOL_T0 | ||
25 | #undef IPOL_T1 | ||
26 | |||
27 | // define render case | ||
28 | #define SUBTEXEL | ||
29 | #define INVERSE_W | ||
30 | |||
31 | #define USE_ZBUFFER | ||
32 | #define IPOL_W | ||
33 | #define CMP_W | ||
34 | #define WRITE_W | ||
35 | |||
36 | #define IPOL_C0 | ||
37 | #define IPOL_T0 | ||
38 | #define IPOL_T1 | ||
39 | |||
40 | // apply global override | ||
41 | #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT | ||
42 | #undef INVERSE_W | ||
43 | #endif | ||
44 | |||
45 | #ifndef SOFTWARE_DRIVER_2_SUBTEXEL | ||
46 | #undef SUBTEXEL | ||
47 | #endif | ||
48 | |||
49 | #ifndef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR | ||
50 | #undef IPOL_C0 | ||
51 | #endif | ||
52 | |||
53 | #if !defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) && defined ( USE_ZBUFFER ) | ||
54 | #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT | ||
55 | #undef IPOL_W | ||
56 | #endif | ||
57 | #define IPOL_Z | ||
58 | |||
59 | #ifdef CMP_W | ||
60 | #undef CMP_W | ||
61 | #define CMP_Z | ||
62 | #endif | ||
63 | |||
64 | #ifdef WRITE_W | ||
65 | #undef WRITE_W | ||
66 | #define WRITE_Z | ||
67 | #endif | ||
68 | |||
69 | #endif | ||
70 | |||
71 | namespace irr | ||
72 | { | ||
73 | |||
74 | namespace video | ||
75 | { | ||
76 | |||
77 | class CTRGTextureLightMap2_M4 : public IBurningShader | ||
78 | { | ||
79 | public: | ||
80 | |||
81 | //! constructor | ||
82 | CTRGTextureLightMap2_M4(CBurningVideoDriver* driver); | ||
83 | |||
84 | //! draws an indexed triangle list | ||
85 | virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ); | ||
86 | |||
87 | |||
88 | private: | ||
89 | void scanline_bilinear (); | ||
90 | |||
91 | sScanConvertData scan; | ||
92 | sScanLineData line; | ||
93 | |||
94 | }; | ||
95 | |||
96 | //! constructor | ||
97 | CTRGTextureLightMap2_M4::CTRGTextureLightMap2_M4(CBurningVideoDriver* driver) | ||
98 | : IBurningShader(driver) | ||
99 | { | ||
100 | #ifdef _DEBUG | ||
101 | setDebugName("CTRGTextureLightMap2_M4"); | ||
102 | #endif | ||
103 | } | ||
104 | |||
105 | |||
106 | |||
107 | /*! | ||
108 | */ | ||
109 | void CTRGTextureLightMap2_M4::scanline_bilinear () | ||
110 | { | ||
111 | tVideoSample *dst; | ||
112 | |||
113 | #ifdef USE_ZBUFFER | ||
114 | fp24 *z; | ||
115 | #endif | ||
116 | |||
117 | s32 xStart; | ||
118 | s32 xEnd; | ||
119 | s32 dx; | ||
120 | |||
121 | |||
122 | #ifdef SUBTEXEL | ||
123 | f32 subPixel; | ||
124 | #endif | ||
125 | |||
126 | #ifdef IPOL_Z | ||
127 | f32 slopeZ; | ||
128 | #endif | ||
129 | #ifdef IPOL_W | ||
130 | fp24 slopeW; | ||
131 | #endif | ||
132 | #ifdef IPOL_C0 | ||
133 | sVec4 slopeC; | ||
134 | #endif | ||
135 | #ifdef IPOL_T0 | ||
136 | sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES]; | ||
137 | #endif | ||
138 | |||
139 | // apply top-left fill-convention, left | ||
140 | xStart = core::ceil32( line.x[0] ); | ||
141 | xEnd = core::ceil32( line.x[1] ) - 1; | ||
142 | |||
143 | dx = xEnd - xStart; | ||
144 | |||
145 | if ( dx < 0 ) | ||
146 | return; | ||
147 | |||
148 | // slopes | ||
149 | const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] ); | ||
150 | |||
151 | #ifdef IPOL_Z | ||
152 | slopeZ = (line.z[1] - line.z[0]) * invDeltaX; | ||
153 | #endif | ||
154 | #ifdef IPOL_W | ||
155 | slopeW = (line.w[1] - line.w[0]) * invDeltaX; | ||
156 | #endif | ||
157 | #ifdef IPOL_C0 | ||
158 | slopeC = (line.c[0][1] - line.c[0][0]) * invDeltaX; | ||
159 | #endif | ||
160 | #ifdef IPOL_T0 | ||
161 | slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX; | ||
162 | #endif | ||
163 | #ifdef IPOL_T1 | ||
164 | slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX; | ||
165 | #endif | ||
166 | |||
167 | #ifdef SUBTEXEL | ||
168 | subPixel = ( (f32) xStart ) - line.x[0]; | ||
169 | #ifdef IPOL_Z | ||
170 | line.z[0] += slopeZ * subPixel; | ||
171 | #endif | ||
172 | #ifdef IPOL_W | ||
173 | line.w[0] += slopeW * subPixel; | ||
174 | #endif | ||
175 | #ifdef IPOL_C0 | ||
176 | line.c[0][0] += slopeC * subPixel; | ||
177 | #endif | ||
178 | #ifdef IPOL_T0 | ||
179 | line.t[0][0] += slopeT[0] * subPixel; | ||
180 | #endif | ||
181 | #ifdef IPOL_T1 | ||
182 | line.t[1][0] += slopeT[1] * subPixel; | ||
183 | #endif | ||
184 | #endif | ||
185 | |||
186 | dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; | ||
187 | |||
188 | #ifdef USE_ZBUFFER | ||
189 | z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; | ||
190 | #endif | ||
191 | |||
192 | |||
193 | #ifdef INVERSE_W | ||
194 | f32 inversew; | ||
195 | #endif | ||
196 | |||
197 | tFixPoint tx0, tx1; | ||
198 | tFixPoint ty0, ty1; | ||
199 | |||
200 | tFixPoint r0, g0, b0; | ||
201 | tFixPoint r1, g1, b1; | ||
202 | tFixPoint r2, g2, b2; | ||
203 | |||
204 | #ifdef IPOL_C0 | ||
205 | tFixPoint r3, g3, b3; | ||
206 | #endif | ||
207 | |||
208 | for ( s32 i = 0; i <= dx; i++ ) | ||
209 | { | ||
210 | #ifdef CMP_Z | ||
211 | if ( line.z[0] < z[i] ) | ||
212 | #endif | ||
213 | #ifdef CMP_W | ||
214 | if ( line.w[0] >= z[i] ) | ||
215 | #endif | ||
216 | { | ||
217 | #ifdef INVERSE_W | ||
218 | inversew = fix_inverse32 ( line.w[0] ); | ||
219 | |||
220 | tx0 = tofix ( line.t[0][0].x,inversew); | ||
221 | ty0 = tofix ( line.t[0][0].y,inversew); | ||
222 | tx1 = tofix ( line.t[1][0].x,inversew); | ||
223 | ty1 = tofix ( line.t[1][0].y,inversew); | ||
224 | |||
225 | #ifdef IPOL_C0 | ||
226 | r3 = tofix ( line.c[0][0].y ,inversew ); | ||
227 | g3 = tofix ( line.c[0][0].z ,inversew ); | ||
228 | b3 = tofix ( line.c[0][0].w ,inversew ); | ||
229 | #endif | ||
230 | |||
231 | #else | ||
232 | tx0 = tofix ( line.t[0][0].x ); | ||
233 | ty0 = tofix ( line.t[0][0].y ); | ||
234 | tx1 = tofix ( line.t[1][0].x ); | ||
235 | ty1 = tofix ( line.t[1][0].y ); | ||
236 | |||
237 | #ifdef IPOL_C0 | ||
238 | r3 = tofix ( line.c[0][0].y ); | ||
239 | g3 = tofix ( line.c[0][0].z ); | ||
240 | b3 = tofix ( line.c[0][0].w ); | ||
241 | #endif | ||
242 | |||
243 | #endif | ||
244 | getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 ); | ||
245 | getSample_texture ( r1, g1, b1, &IT[1], tx1, ty1 ); | ||
246 | |||
247 | #ifdef IPOL_C0 | ||
248 | r2 = imulFix ( r0, r3 ); | ||
249 | g2 = imulFix ( g0, g3 ); | ||
250 | b2 = imulFix ( b0, b3 ); | ||
251 | |||
252 | r2 = clampfix_maxcolor ( imulFix_tex4 ( r2, r1 ) ); | ||
253 | g2 = clampfix_maxcolor ( imulFix_tex4 ( g2, g1 ) ); | ||
254 | b2 = clampfix_maxcolor ( imulFix_tex4 ( b2, b1 ) ); | ||
255 | /* | ||
256 | r2 = r3 << 8; | ||
257 | g2 = g3 << 8; | ||
258 | b2 = b3 << 8; | ||
259 | */ | ||
260 | #else | ||
261 | r2 = clampfix_maxcolor ( imulFix_tex4 ( r0, r1 ) ); | ||
262 | g2 = clampfix_maxcolor ( imulFix_tex4 ( g0, g1 ) ); | ||
263 | b2 = clampfix_maxcolor ( imulFix_tex4 ( b0, b1 ) ); | ||
264 | #endif | ||
265 | |||
266 | |||
267 | dst[i] = fix_to_color ( r2, g2, b2 ); | ||
268 | |||
269 | #ifdef WRITE_Z | ||
270 | z[i] = line.z[0]; | ||
271 | #endif | ||
272 | #ifdef WRITE_W | ||
273 | z[i] = line.w[0]; | ||
274 | #endif | ||
275 | } | ||
276 | |||
277 | #ifdef IPOL_Z | ||
278 | line.z[0] += slopeZ; | ||
279 | #endif | ||
280 | #ifdef IPOL_W | ||
281 | line.w[0] += slopeW; | ||
282 | #endif | ||
283 | #ifdef IPOL_C0 | ||
284 | line.c[0][0] += slopeC; | ||
285 | #endif | ||
286 | #ifdef IPOL_T0 | ||
287 | line.t[0][0] += slopeT[0]; | ||
288 | #endif | ||
289 | #ifdef IPOL_T1 | ||
290 | line.t[1][0] += slopeT[1]; | ||
291 | #endif | ||
292 | } | ||
293 | |||
294 | } | ||
295 | |||
296 | void CTRGTextureLightMap2_M4::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ) | ||
297 | { | ||
298 | // sort on height, y | ||
299 | if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); | ||
300 | if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c); | ||
301 | if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); | ||
302 | |||
303 | const f32 ca = c->Pos.y - a->Pos.y; | ||
304 | const f32 ba = b->Pos.y - a->Pos.y; | ||
305 | const f32 cb = c->Pos.y - b->Pos.y; | ||
306 | // calculate delta y of the edges | ||
307 | scan.invDeltaY[0] = core::reciprocal( ca ); | ||
308 | scan.invDeltaY[1] = core::reciprocal( ba ); | ||
309 | scan.invDeltaY[2] = core::reciprocal( cb ); | ||
310 | |||
311 | if ( F32_LOWER_0 ( scan.invDeltaY[0] ) ) | ||
312 | return; | ||
313 | |||
314 | // find if the major edge is left or right aligned | ||
315 | f32 temp[4]; | ||
316 | |||
317 | temp[0] = a->Pos.x - c->Pos.x; | ||
318 | temp[1] = -ca; | ||
319 | temp[2] = b->Pos.x - a->Pos.x; | ||
320 | temp[3] = ba; | ||
321 | |||
322 | scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1; | ||
323 | scan.right = 1 - scan.left; | ||
324 | |||
325 | // calculate slopes for the major edge | ||
326 | scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0]; | ||
327 | scan.x[0] = a->Pos.x; | ||
328 | |||
329 | #ifdef IPOL_Z | ||
330 | scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0]; | ||
331 | scan.z[0] = a->Pos.z; | ||
332 | #endif | ||
333 | |||
334 | #ifdef IPOL_W | ||
335 | scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0]; | ||
336 | scan.w[0] = a->Pos.w; | ||
337 | #endif | ||
338 | |||
339 | #ifdef IPOL_C0 | ||
340 | scan.slopeC[0][0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0]; | ||
341 | scan.c[0][0] = a->Color[0]; | ||
342 | #endif | ||
343 | |||
344 | #ifdef IPOL_T0 | ||
345 | scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0]; | ||
346 | scan.t[0][0] = a->Tex[0]; | ||
347 | #endif | ||
348 | |||
349 | #ifdef IPOL_T1 | ||
350 | scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0]; | ||
351 | scan.t[1][0] = a->Tex[1]; | ||
352 | #endif | ||
353 | |||
354 | // top left fill convention y run | ||
355 | s32 yStart; | ||
356 | s32 yEnd; | ||
357 | |||
358 | #ifdef SUBTEXEL | ||
359 | f32 subPixel; | ||
360 | #endif | ||
361 | |||
362 | |||
363 | // rasterize upper sub-triangle | ||
364 | //if ( (f32) 0.0 != scan.invDeltaY[1] ) | ||
365 | if ( F32_GREATER_0 ( scan.invDeltaY[1] ) ) | ||
366 | { | ||
367 | // calculate slopes for top edge | ||
368 | scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1]; | ||
369 | scan.x[1] = a->Pos.x; | ||
370 | |||
371 | #ifdef IPOL_Z | ||
372 | scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1]; | ||
373 | scan.z[1] = a->Pos.z; | ||
374 | #endif | ||
375 | |||
376 | #ifdef IPOL_W | ||
377 | scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1]; | ||
378 | scan.w[1] = a->Pos.w; | ||
379 | #endif | ||
380 | |||
381 | #ifdef IPOL_C0 | ||
382 | scan.slopeC[0][1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1]; | ||
383 | scan.c[0][1] = a->Color[0]; | ||
384 | #endif | ||
385 | |||
386 | #ifdef IPOL_T0 | ||
387 | scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1]; | ||
388 | scan.t[0][1] = a->Tex[0]; | ||
389 | #endif | ||
390 | |||
391 | #ifdef IPOL_T1 | ||
392 | scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1]; | ||
393 | scan.t[1][1] = a->Tex[1]; | ||
394 | #endif | ||
395 | |||
396 | // apply top-left fill convention, top part | ||
397 | yStart = core::ceil32( a->Pos.y ); | ||
398 | yEnd = core::ceil32( b->Pos.y ) - 1; | ||
399 | |||
400 | #ifdef SUBTEXEL | ||
401 | subPixel = ( (f32) yStart ) - a->Pos.y; | ||
402 | |||
403 | // correct to pixel center | ||
404 | scan.x[0] += scan.slopeX[0] * subPixel; | ||
405 | scan.x[1] += scan.slopeX[1] * subPixel; | ||
406 | |||
407 | #ifdef IPOL_Z | ||
408 | scan.z[0] += scan.slopeZ[0] * subPixel; | ||
409 | scan.z[1] += scan.slopeZ[1] * subPixel; | ||
410 | #endif | ||
411 | |||
412 | #ifdef IPOL_W | ||
413 | scan.w[0] += scan.slopeW[0] * subPixel; | ||
414 | scan.w[1] += scan.slopeW[1] * subPixel; | ||
415 | #endif | ||
416 | |||
417 | #ifdef IPOL_C0 | ||
418 | scan.c[0][0] += scan.slopeC[0][0] * subPixel; | ||
419 | scan.c[0][1] += scan.slopeC[0][1] * subPixel; | ||
420 | #endif | ||
421 | |||
422 | #ifdef IPOL_T0 | ||
423 | scan.t[0][0] += scan.slopeT[0][0] * subPixel; | ||
424 | scan.t[0][1] += scan.slopeT[0][1] * subPixel; | ||
425 | #endif | ||
426 | |||
427 | #ifdef IPOL_T1 | ||
428 | scan.t[1][0] += scan.slopeT[1][0] * subPixel; | ||
429 | scan.t[1][1] += scan.slopeT[1][1] * subPixel; | ||
430 | #endif | ||
431 | |||
432 | #endif | ||
433 | |||
434 | // rasterize the edge scanlines | ||
435 | for( line.y = yStart; line.y <= yEnd; ++line.y) | ||
436 | { | ||
437 | line.x[scan.left] = scan.x[0]; | ||
438 | line.x[scan.right] = scan.x[1]; | ||
439 | |||
440 | #ifdef IPOL_Z | ||
441 | line.z[scan.left] = scan.z[0]; | ||
442 | line.z[scan.right] = scan.z[1]; | ||
443 | #endif | ||
444 | |||
445 | #ifdef IPOL_W | ||
446 | line.w[scan.left] = scan.w[0]; | ||
447 | line.w[scan.right] = scan.w[1]; | ||
448 | #endif | ||
449 | |||
450 | #ifdef IPOL_C0 | ||
451 | line.c[0][scan.left] = scan.c[0][0]; | ||
452 | line.c[0][scan.right] = scan.c[0][1]; | ||
453 | #endif | ||
454 | |||
455 | #ifdef IPOL_T0 | ||
456 | line.t[0][scan.left] = scan.t[0][0]; | ||
457 | line.t[0][scan.right] = scan.t[0][1]; | ||
458 | #endif | ||
459 | |||
460 | #ifdef IPOL_T1 | ||
461 | line.t[1][scan.left] = scan.t[1][0]; | ||
462 | line.t[1][scan.right] = scan.t[1][1]; | ||
463 | #endif | ||
464 | |||
465 | // render a scanline | ||
466 | scanline_bilinear (); | ||
467 | |||
468 | scan.x[0] += scan.slopeX[0]; | ||
469 | scan.x[1] += scan.slopeX[1]; | ||
470 | |||
471 | #ifdef IPOL_Z | ||
472 | scan.z[0] += scan.slopeZ[0]; | ||
473 | scan.z[1] += scan.slopeZ[1]; | ||
474 | #endif | ||
475 | |||
476 | #ifdef IPOL_W | ||
477 | scan.w[0] += scan.slopeW[0]; | ||
478 | scan.w[1] += scan.slopeW[1]; | ||
479 | #endif | ||
480 | |||
481 | #ifdef IPOL_C0 | ||
482 | scan.c[0][0] += scan.slopeC[0][0]; | ||
483 | scan.c[0][1] += scan.slopeC[0][1]; | ||
484 | #endif | ||
485 | |||
486 | #ifdef IPOL_T0 | ||
487 | scan.t[0][0] += scan.slopeT[0][0]; | ||
488 | scan.t[0][1] += scan.slopeT[0][1]; | ||
489 | #endif | ||
490 | |||
491 | #ifdef IPOL_T1 | ||
492 | scan.t[1][0] += scan.slopeT[1][0]; | ||
493 | scan.t[1][1] += scan.slopeT[1][1]; | ||
494 | #endif | ||
495 | |||
496 | } | ||
497 | } | ||
498 | |||
499 | // rasterize lower sub-triangle | ||
500 | //if ( (f32) 0.0 != scan.invDeltaY[2] ) | ||
501 | if ( F32_GREATER_0 ( scan.invDeltaY[2] ) ) | ||
502 | { | ||
503 | // advance to middle point | ||
504 | //if( (f32) 0.0 != scan.invDeltaY[1] ) | ||
505 | if ( F32_GREATER_0 ( scan.invDeltaY[1] ) ) | ||
506 | { | ||
507 | temp[0] = b->Pos.y - a->Pos.y; // dy | ||
508 | |||
509 | scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0]; | ||
510 | #ifdef IPOL_Z | ||
511 | scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0]; | ||
512 | #endif | ||
513 | #ifdef IPOL_W | ||
514 | scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0]; | ||
515 | #endif | ||
516 | #ifdef IPOL_C0 | ||
517 | scan.c[0][0] = a->Color[0] + scan.slopeC[0][0] * temp[0]; | ||
518 | #endif | ||
519 | #ifdef IPOL_T0 | ||
520 | scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0]; | ||
521 | #endif | ||
522 | #ifdef IPOL_T1 | ||
523 | scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0]; | ||
524 | #endif | ||
525 | |||
526 | } | ||
527 | |||
528 | // calculate slopes for bottom edge | ||
529 | scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2]; | ||
530 | scan.x[1] = b->Pos.x; | ||
531 | |||
532 | #ifdef IPOL_Z | ||
533 | scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2]; | ||
534 | scan.z[1] = b->Pos.z; | ||
535 | #endif | ||
536 | |||
537 | #ifdef IPOL_W | ||
538 | scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2]; | ||
539 | scan.w[1] = b->Pos.w; | ||
540 | #endif | ||
541 | |||
542 | #ifdef IPOL_C0 | ||
543 | scan.slopeC[0][1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2]; | ||
544 | scan.c[0][1] = b->Color[0]; | ||
545 | #endif | ||
546 | |||
547 | #ifdef IPOL_T0 | ||
548 | scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2]; | ||
549 | scan.t[0][1] = b->Tex[0]; | ||
550 | #endif | ||
551 | |||
552 | #ifdef IPOL_T1 | ||
553 | scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2]; | ||
554 | scan.t[1][1] = b->Tex[1]; | ||
555 | #endif | ||
556 | |||
557 | // apply top-left fill convention, top part | ||
558 | yStart = core::ceil32( b->Pos.y ); | ||
559 | yEnd = core::ceil32( c->Pos.y ) - 1; | ||
560 | |||
561 | #ifdef SUBTEXEL | ||
562 | |||
563 | subPixel = ( (f32) yStart ) - b->Pos.y; | ||
564 | |||
565 | // correct to pixel center | ||
566 | scan.x[0] += scan.slopeX[0] * subPixel; | ||
567 | scan.x[1] += scan.slopeX[1] * subPixel; | ||
568 | |||
569 | #ifdef IPOL_Z | ||
570 | scan.z[0] += scan.slopeZ[0] * subPixel; | ||
571 | scan.z[1] += scan.slopeZ[1] * subPixel; | ||
572 | #endif | ||
573 | |||
574 | #ifdef IPOL_W | ||
575 | scan.w[0] += scan.slopeW[0] * subPixel; | ||
576 | scan.w[1] += scan.slopeW[1] * subPixel; | ||
577 | #endif | ||
578 | |||
579 | #ifdef IPOL_C0 | ||
580 | scan.c[0][0] += scan.slopeC[0][0] * subPixel; | ||
581 | scan.c[0][1] += scan.slopeC[0][1] * subPixel; | ||
582 | #endif | ||
583 | |||
584 | #ifdef IPOL_T0 | ||
585 | scan.t[0][0] += scan.slopeT[0][0] * subPixel; | ||
586 | scan.t[0][1] += scan.slopeT[0][1] * subPixel; | ||
587 | #endif | ||
588 | |||
589 | #ifdef IPOL_T1 | ||
590 | scan.t[1][0] += scan.slopeT[1][0] * subPixel; | ||
591 | scan.t[1][1] += scan.slopeT[1][1] * subPixel; | ||
592 | #endif | ||
593 | |||
594 | #endif | ||
595 | |||
596 | // rasterize the edge scanlines | ||
597 | for( line.y = yStart; line.y <= yEnd; ++line.y) | ||
598 | { | ||
599 | line.x[scan.left] = scan.x[0]; | ||
600 | line.x[scan.right] = scan.x[1]; | ||
601 | |||
602 | #ifdef IPOL_Z | ||
603 | line.z[scan.left] = scan.z[0]; | ||
604 | line.z[scan.right] = scan.z[1]; | ||
605 | #endif | ||
606 | |||
607 | #ifdef IPOL_W | ||
608 | line.w[scan.left] = scan.w[0]; | ||
609 | line.w[scan.right] = scan.w[1]; | ||
610 | #endif | ||
611 | |||
612 | #ifdef IPOL_C0 | ||
613 | line.c[0][scan.left] = scan.c[0][0]; | ||
614 | line.c[0][scan.right] = scan.c[0][1]; | ||
615 | #endif | ||
616 | |||
617 | #ifdef IPOL_T0 | ||
618 | line.t[0][scan.left] = scan.t[0][0]; | ||
619 | line.t[0][scan.right] = scan.t[0][1]; | ||
620 | #endif | ||
621 | |||
622 | #ifdef IPOL_T1 | ||
623 | line.t[1][scan.left] = scan.t[1][0]; | ||
624 | line.t[1][scan.right] = scan.t[1][1]; | ||
625 | #endif | ||
626 | |||
627 | // render a scanline | ||
628 | scanline_bilinear (); | ||
629 | |||
630 | scan.x[0] += scan.slopeX[0]; | ||
631 | scan.x[1] += scan.slopeX[1]; | ||
632 | |||
633 | #ifdef IPOL_Z | ||
634 | scan.z[0] += scan.slopeZ[0]; | ||
635 | scan.z[1] += scan.slopeZ[1]; | ||
636 | #endif | ||
637 | |||
638 | #ifdef IPOL_W | ||
639 | scan.w[0] += scan.slopeW[0]; | ||
640 | scan.w[1] += scan.slopeW[1]; | ||
641 | #endif | ||
642 | |||
643 | #ifdef IPOL_C0 | ||
644 | scan.c[0][0] += scan.slopeC[0][0]; | ||
645 | scan.c[0][1] += scan.slopeC[0][1]; | ||
646 | #endif | ||
647 | |||
648 | #ifdef IPOL_T0 | ||
649 | scan.t[0][0] += scan.slopeT[0][0]; | ||
650 | scan.t[0][1] += scan.slopeT[0][1]; | ||
651 | #endif | ||
652 | |||
653 | #ifdef IPOL_T1 | ||
654 | scan.t[1][0] += scan.slopeT[1][0]; | ||
655 | scan.t[1][1] += scan.slopeT[1][1]; | ||
656 | #endif | ||
657 | |||
658 | } | ||
659 | } | ||
660 | |||
661 | } | ||
662 | |||
663 | |||
664 | } // end namespace video | ||
665 | } // end namespace irr | ||
666 | |||
667 | #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ | ||
668 | |||
669 | namespace irr | ||
670 | { | ||
671 | namespace video | ||
672 | { | ||
673 | |||
674 | |||
675 | //! creates a flat triangle renderer | ||
676 | IBurningShader* createTriangleRendererGTextureLightMap2_M4(CBurningVideoDriver* driver) | ||
677 | { | ||
678 | #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_ | ||
679 | return new CTRGTextureLightMap2_M4(driver); | ||
680 | #else | ||
681 | return 0; | ||
682 | #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ | ||
683 | } | ||
684 | |||
685 | |||
686 | } // end namespace video | ||
687 | } // end namespace irr | ||
688 | |||
689 | |||
690 | |||