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Viewing changes to source/Irrlicht/CTRTextureLightMap2_Add.cpp

  • Committer: Mantas Kriaučiūnas
  • Date: 2011-07-18 13:06:25 UTC
  • Revision ID: mantas@akl.lt-20110718130625-c5pvifp61e7kj1ol
Included whole irrlicht SVN libraries to work around launchpad recipe issue with quilt, see https://answers.launchpad.net/launchpad/+question/165193

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source/Irrlicht/CTRTextureLightMap2_Add.cpp
 
1
// Copyright (C) 2002-2011 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 CTRTextureLightMap2_Add : public IBurningShader
 
78
{
 
79
public:
 
80
 
 
81
        //! constructor
 
82
        CTRTextureLightMap2_Add(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
CTRTextureLightMap2_Add::CTRTextureLightMap2_Add(CBurningVideoDriver* driver)
 
98
: IBurningShader(driver)
 
99
{
 
100
        #ifdef _DEBUG
 
101
        setDebugName("CTRTextureLightMap2_Add");
 
102
        #endif
 
103
}
 
104
 
 
105
 
 
106
 
 
107
/*!
 
108
*/
 
109
REALINLINE void CTRTextureLightMap2_Add::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[1] - line.c[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] += 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
 
 
194
 
 
195
#ifdef BURNINGVIDEO_RENDERER_FAST
 
196
        u32 dIndex = ( line.y & 3 ) << 2;
 
197
 
 
198
 
 
199
#else
 
200
        // 
 
201
        tFixPoint r0, g0, b0;
 
202
        tFixPoint r1, g1, b1;
 
203
#endif
 
204
 
 
205
 
 
206
        for ( s32 i = 0; i <= dx; i++ )
 
207
        {
 
208
#ifdef CMP_Z
 
209
                if ( line.z[0] < z[i] )
 
210
#endif
 
211
#ifdef CMP_W
 
212
                if ( line.w[0] >= z[i] )
 
213
#endif
 
214
                {
 
215
 
 
216
#ifdef WRITE_Z
 
217
                        z[i] = line.z[0];
 
218
#endif
 
219
#ifdef WRITE_W
 
220
                        z[i] = line.w[0];
 
221
#endif
 
222
 
 
223
#ifdef BURNINGVIDEO_RENDERER_FAST
 
224
 
 
225
#ifdef INVERSE_W
 
226
 
 
227
                        const f32 inversew = fix_inverse32 ( line.w[0] );
 
228
 
 
229
                        const tFixPointu d = dithermask [ dIndex | ( i ) & 3 ];
 
230
 
 
231
                        dst[i] = PixelAdd32 (
 
232
                                        getTexel_plain ( &IT[0],        d + tofix ( line.t[0][0].x,inversew), 
 
233
                                                                                                d + tofix ( line.t[0][0].y,inversew) ),
 
234
                                        getTexel_plain ( &IT[1],        d + tofix ( line.t[1][0].x,inversew), 
 
235
                                                                                                d + tofix ( line.t[1][0].y,inversew) )
 
236
                                                        );
 
237
#else
 
238
                        const tFixPointu d = dithermask [ dIndex | ( i ) & 3 ];
 
239
 
 
240
                        dst[i] = PixelAdd32 (
 
241
                                        getTexel_plain ( &IT[0],        d + tofix ( line.t[0][0].x), 
 
242
                                                                                                d + tofix ( line.t[0][0].y) ),
 
243
                                        getTexel_plain ( &IT[1],        d + tofix ( line.t[1][0].x), 
 
244
                                                                                                d + tofix ( line.t[1][0].y) )
 
245
                                                        );
 
246
 
 
247
#endif
 
248
 
 
249
#else
 
250
                        const f32 inversew = fix_inverse32 ( line.w[0] );
 
251
 
 
252
                        getSample_texture ( r0, g0, b0, &IT[0], tofix ( line.t[0][0].x,inversew), tofix ( line.t[0][0].y,inversew) );
 
253
                        getSample_texture ( r1, g1, b1, &IT[1], tofix ( line.t[0][1].x,inversew), tofix ( line.t[0][1].y,inversew) );
 
254
 
 
255
                        dst[i] = fix_to_color ( clampfix_maxcolor ( r0 + r1 ),
 
256
                                                                        clampfix_maxcolor ( g0 + g1 ),
 
257
                                                                        clampfix_maxcolor ( b0 + b1 )
 
258
                                                                );
 
259
#endif
 
260
 
 
261
                }
 
262
 
 
263
#ifdef IPOL_Z
 
264
                line.z[0] += slopeZ;
 
265
#endif
 
266
#ifdef IPOL_W
 
267
                line.w[0] += slopeW;
 
268
#endif
 
269
#ifdef IPOL_C0
 
270
                line.c[0] += slopeC;
 
271
#endif
 
272
#ifdef IPOL_T0
 
273
                line.t[0][0] += slopeT[0];
 
274
#endif
 
275
#ifdef IPOL_T1
 
276
                line.t[1][0] += slopeT[1];
 
277
#endif
 
278
        }
 
279
 
 
280
}
 
281
 
 
282
void CTRTextureLightMap2_Add::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c )
 
283
{
 
284
        // sort on height, y
 
285
        if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
 
286
        if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c);
 
287
        if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
 
288
 
 
289
        const f32 ca = c->Pos.y - a->Pos.y;
 
290
        const f32 ba = b->Pos.y - a->Pos.y;
 
291
        const f32 cb = c->Pos.y - b->Pos.y;
 
292
        // calculate delta y of the edges
 
293
        scan.invDeltaY[0] = core::reciprocal( ca );
 
294
        scan.invDeltaY[1] = core::reciprocal( ba );
 
295
        scan.invDeltaY[2] = core::reciprocal( cb );
 
296
 
 
297
        if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) )
 
298
                return;
 
299
 
 
300
        // find if the major edge is left or right aligned
 
301
        f32 temp[4];
 
302
 
 
303
        temp[0] = a->Pos.x - c->Pos.x;
 
304
        temp[1] = -ca;
 
305
        temp[2] = b->Pos.x - a->Pos.x;
 
306
        temp[3] = ba;
 
307
 
 
308
        scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1;
 
309
        scan.right = 1 - scan.left;
 
310
 
 
311
        // calculate slopes for the major edge
 
312
        scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0];
 
313
        scan.x[0] = a->Pos.x;
 
314
 
 
315
#ifdef IPOL_Z
 
316
        scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0];
 
317
        scan.z[0] = a->Pos.z;
 
318
#endif
 
319
 
 
320
#ifdef IPOL_W
 
321
        scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0];
 
322
        scan.w[0] = a->Pos.w;
 
323
#endif
 
324
 
 
325
#ifdef IPOL_C0
 
326
        scan.slopeC[0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0];
 
327
        scan.c[0] = a->Color[0];
 
328
#endif
 
329
 
 
330
#ifdef IPOL_T0
 
331
        scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0];
 
332
        scan.t[0][0] = a->Tex[0];
 
333
#endif
 
334
 
 
335
#ifdef IPOL_T1
 
336
        scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0];
 
337
        scan.t[1][0] = a->Tex[1];
 
338
#endif
 
339
 
 
340
        // top left fill convention y run
 
341
        s32 yStart;
 
342
        s32 yEnd;
 
343
 
 
344
#ifdef SUBTEXEL
 
345
        f32 subPixel;
 
346
#endif
 
347
 
 
348
        // rasterize upper sub-triangle
 
349
        if ( (f32) 0.0 != scan.invDeltaY[1]  )
 
350
        {
 
351
                // calculate slopes for top edge
 
352
                scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1];
 
353
                scan.x[1] = a->Pos.x;
 
354
 
 
355
#ifdef IPOL_Z
 
356
                scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1];
 
357
                scan.z[1] = a->Pos.z;
 
358
#endif
 
359
 
 
360
#ifdef IPOL_W
 
361
                scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1];
 
362
                scan.w[1] = a->Pos.w;
 
363
#endif
 
364
 
 
365
#ifdef IPOL_C0
 
366
                scan.slopeC[1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1];
 
367
                scan.c[1] = a->Color[0];
 
368
#endif
 
369
 
 
370
#ifdef IPOL_T0
 
371
                scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1];
 
372
                scan.t[0][1] = a->Tex[0];
 
373
#endif
 
374
 
 
375
#ifdef IPOL_T1
 
376
                scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1];
 
377
                scan.t[1][1] = a->Tex[1];
 
378
#endif
 
379
 
 
380
                // apply top-left fill convention, top part
 
381
                yStart = core::ceil32( a->Pos.y );
 
382
                yEnd = core::ceil32( b->Pos.y ) - 1;
 
383
 
 
384
#ifdef SUBTEXEL
 
385
                subPixel = ( (f32) yStart ) - a->Pos.y;
 
386
 
 
387
                // correct to pixel center
 
388
                scan.x[0] += scan.slopeX[0] * subPixel;
 
389
                scan.x[1] += scan.slopeX[1] * subPixel;         
 
390
 
 
391
#ifdef IPOL_Z
 
392
                scan.z[0] += scan.slopeZ[0] * subPixel;
 
393
                scan.z[1] += scan.slopeZ[1] * subPixel;         
 
394
#endif
 
395
 
 
396
#ifdef IPOL_W
 
397
                scan.w[0] += scan.slopeW[0] * subPixel;
 
398
                scan.w[1] += scan.slopeW[1] * subPixel;         
 
399
#endif
 
400
 
 
401
#ifdef IPOL_C0
 
402
                scan.c[0] += scan.slopeC[0] * subPixel;
 
403
                scan.c[1] += scan.slopeC[1] * subPixel;         
 
404
#endif
 
405
 
 
406
#ifdef IPOL_T0
 
407
                scan.t[0][0] += scan.slopeT[0][0] * subPixel;
 
408
                scan.t[0][1] += scan.slopeT[0][1] * subPixel;           
 
409
#endif
 
410
 
 
411
#ifdef IPOL_T1
 
412
                scan.t[1][0] += scan.slopeT[1][0] * subPixel;
 
413
                scan.t[1][1] += scan.slopeT[1][1] * subPixel;           
 
414
#endif
 
415
 
 
416
#endif
 
417
 
 
418
                // rasterize the edge scanlines
 
419
                for( line.y = yStart; line.y <= yEnd; ++line.y)
 
420
                {
 
421
                        line.x[scan.left] = scan.x[0];
 
422
                        line.x[scan.right] = scan.x[1];
 
423
 
 
424
#ifdef IPOL_Z
 
425
                        line.z[scan.left] = scan.z[0];
 
426
                        line.z[scan.right] = scan.z[1];
 
427
#endif
 
428
 
 
429
#ifdef IPOL_W
 
430
                        line.w[scan.left] = scan.w[0];
 
431
                        line.w[scan.right] = scan.w[1];
 
432
#endif
 
433
 
 
434
#ifdef IPOL_C0
 
435
                        line.c[scan.left] = scan.c[0];
 
436
                        line.c[scan.right] = scan.c[1];
 
437
#endif
 
438
 
 
439
#ifdef IPOL_T0
 
440
                        line.t[0][scan.left] = scan.t[0][0];
 
441
                        line.t[0][scan.right] = scan.t[0][1];
 
442
#endif
 
443
 
 
444
#ifdef IPOL_T1
 
445
                        line.t[1][scan.left] = scan.t[1][0];
 
446
                        line.t[1][scan.right] = scan.t[1][1];
 
447
#endif
 
448
 
 
449
                        // render a scanline
 
450
                        scanline_bilinear ();
 
451
 
 
452
                        scan.x[0] += scan.slopeX[0];
 
453
                        scan.x[1] += scan.slopeX[1];
 
454
 
 
455
#ifdef IPOL_Z
 
456
                        scan.z[0] += scan.slopeZ[0];
 
457
                        scan.z[1] += scan.slopeZ[1];
 
458
#endif
 
459
 
 
460
#ifdef IPOL_W
 
461
                        scan.w[0] += scan.slopeW[0];
 
462
                        scan.w[1] += scan.slopeW[1];
 
463
#endif
 
464
 
 
465
#ifdef IPOL_C0
 
466
                        scan.c[0] += scan.slopeC[0];
 
467
                        scan.c[1] += scan.slopeC[1];
 
468
#endif
 
469
 
 
470
#ifdef IPOL_T0
 
471
                        scan.t[0][0] += scan.slopeT[0][0];
 
472
                        scan.t[0][1] += scan.slopeT[0][1];
 
473
#endif
 
474
 
 
475
#ifdef IPOL_T1
 
476
                        scan.t[1][0] += scan.slopeT[1][0];
 
477
                        scan.t[1][1] += scan.slopeT[1][1];
 
478
#endif
 
479
 
 
480
                }
 
481
        }
 
482
 
 
483
        // rasterize lower sub-triangle
 
484
        if ( (f32) 0.0 != scan.invDeltaY[2] )
 
485
        {
 
486
                // advance to middle point
 
487
                if( (f32) 0.0 != scan.invDeltaY[1] )
 
488
                {
 
489
                        temp[0] = b->Pos.y - a->Pos.y;  // dy
 
490
 
 
491
                        scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0];
 
492
#ifdef IPOL_Z
 
493
                        scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0];
 
494
#endif
 
495
#ifdef IPOL_W
 
496
                        scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0];
 
497
#endif
 
498
#ifdef IPOL_C0
 
499
                        scan.c[0] = a->Color[0] + scan.slopeC[0] * temp[0];
 
500
#endif
 
501
#ifdef IPOL_T0
 
502
                        scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0];
 
503
#endif
 
504
#ifdef IPOL_T1
 
505
                        scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0];
 
506
#endif
 
507
 
 
508
                }
 
509
 
 
510
                // calculate slopes for bottom edge
 
511
                scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2];
 
512
                scan.x[1] = b->Pos.x;
 
513
 
 
514
#ifdef IPOL_Z
 
515
                scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2];
 
516
                scan.z[1] = b->Pos.z;
 
517
#endif
 
518
 
 
519
#ifdef IPOL_W
 
520
                scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2];
 
521
                scan.w[1] = b->Pos.w;
 
522
#endif
 
523
 
 
524
#ifdef IPOL_C0
 
525
                scan.slopeC[1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2];
 
526
                scan.c[1] = b->Color[0];
 
527
#endif
 
528
 
 
529
#ifdef IPOL_T0
 
530
                scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2];
 
531
                scan.t[0][1] = b->Tex[0];
 
532
#endif
 
533
 
 
534
#ifdef IPOL_T1
 
535
                scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2];
 
536
                scan.t[1][1] = b->Tex[1];
 
537
#endif
 
538
 
 
539
                // apply top-left fill convention, top part
 
540
                yStart = core::ceil32( b->Pos.y );
 
541
                yEnd = core::ceil32( c->Pos.y ) - 1;
 
542
 
 
543
#ifdef SUBTEXEL
 
544
 
 
545
                subPixel = ( (f32) yStart ) - b->Pos.y;
 
546
 
 
547
                // correct to pixel center
 
548
                scan.x[0] += scan.slopeX[0] * subPixel;
 
549
                scan.x[1] += scan.slopeX[1] * subPixel;         
 
550
 
 
551
#ifdef IPOL_Z
 
552
                scan.z[0] += scan.slopeZ[0] * subPixel;
 
553
                scan.z[1] += scan.slopeZ[1] * subPixel;         
 
554
#endif
 
555
 
 
556
#ifdef IPOL_W
 
557
                scan.w[0] += scan.slopeW[0] * subPixel;
 
558
                scan.w[1] += scan.slopeW[1] * subPixel;         
 
559
#endif
 
560
 
 
561
#ifdef IPOL_C0
 
562
                scan.c[0] += scan.slopeC[0] * subPixel;
 
563
                scan.c[1] += scan.slopeC[1] * subPixel;         
 
564
#endif
 
565
 
 
566
#ifdef IPOL_T0
 
567
                scan.t[0][0] += scan.slopeT[0][0] * subPixel;
 
568
                scan.t[0][1] += scan.slopeT[0][1] * subPixel;           
 
569
#endif
 
570
 
 
571
#ifdef IPOL_T1
 
572
                scan.t[1][0] += scan.slopeT[1][0] * subPixel;
 
573
                scan.t[1][1] += scan.slopeT[1][1] * subPixel;           
 
574
#endif
 
575
 
 
576
#endif
 
577
 
 
578
                // rasterize the edge scanlines
 
579
                for( line.y = yStart; line.y <= yEnd; ++line.y)
 
580
                {
 
581
                        line.x[scan.left] = scan.x[0];
 
582
                        line.x[scan.right] = scan.x[1];
 
583
 
 
584
#ifdef IPOL_Z
 
585
                        line.z[scan.left] = scan.z[0];
 
586
                        line.z[scan.right] = scan.z[1];
 
587
#endif
 
588
 
 
589
#ifdef IPOL_W
 
590
                        line.w[scan.left] = scan.w[0];
 
591
                        line.w[scan.right] = scan.w[1];
 
592
#endif
 
593
 
 
594
#ifdef IPOL_C0
 
595
                        line.c[scan.left] = scan.c[0];
 
596
                        line.c[scan.right] = scan.c[1];
 
597
#endif
 
598
 
 
599
#ifdef IPOL_T0
 
600
                        line.t[0][scan.left] = scan.t[0][0];
 
601
                        line.t[0][scan.right] = scan.t[0][1];
 
602
#endif
 
603
 
 
604
#ifdef IPOL_T1
 
605
                        line.t[1][scan.left] = scan.t[1][0];
 
606
                        line.t[1][scan.right] = scan.t[1][1];
 
607
#endif
 
608
 
 
609
                        // render a scanline
 
610
                        scanline_bilinear ();
 
611
 
 
612
                        scan.x[0] += scan.slopeX[0];
 
613
                        scan.x[1] += scan.slopeX[1];
 
614
 
 
615
#ifdef IPOL_Z
 
616
                        scan.z[0] += scan.slopeZ[0];
 
617
                        scan.z[1] += scan.slopeZ[1];
 
618
#endif
 
619
 
 
620
#ifdef IPOL_W
 
621
                        scan.w[0] += scan.slopeW[0];
 
622
                        scan.w[1] += scan.slopeW[1];
 
623
#endif
 
624
 
 
625
#ifdef IPOL_C0
 
626
                        scan.c[0] += scan.slopeC[0];
 
627
                        scan.c[1] += scan.slopeC[1];
 
628
#endif
 
629
 
 
630
#ifdef IPOL_T0
 
631
                        scan.t[0][0] += scan.slopeT[0][0];
 
632
                        scan.t[0][1] += scan.slopeT[0][1];
 
633
#endif
 
634
 
 
635
#ifdef IPOL_T1
 
636
                        scan.t[1][0] += scan.slopeT[1][0];
 
637
                        scan.t[1][1] += scan.slopeT[1][1];
 
638
#endif
 
639
 
 
640
                }
 
641
        }
 
642
 
 
643
 
 
644
}
 
645
 
 
646
 
 
647
} // end namespace video
 
648
} // end namespace irr
 
649
 
 
650
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
 
651
 
 
652
namespace irr
 
653
{
 
654
namespace video
 
655
{
 
656
 
 
657
//! creates a flat triangle renderer
 
658
IBurningShader* createTriangleRendererTextureLightMap2_Add(CBurningVideoDriver* driver)
 
659
{
 
660
        #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
 
661
        return new CTRTextureLightMap2_Add(driver);
 
662
        #else
 
663
        return 0;
 
664
        #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
 
665
}
 
666
 
 
667
 
 
668
} // end namespace video
 
669
} // end namespace irr
 
670
 
 
671
 
 
672