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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/CTRTextureGouraudAdd2.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 'libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudAdd2.cpp')
-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudAdd2.cpp1360
1 files changed, 680 insertions, 680 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudAdd2.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudAdd2.cpp
index 1738f33..0eb556d 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudAdd2.cpp
+++ b/libraries/irrlicht-1.8/source/Irrlicht/CTRTextureGouraudAdd2.cpp
@@ -1,680 +1,680 @@
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
71 71
72 72
73namespace irr 73namespace irr
74{ 74{
75 75
76namespace video 76namespace video
77{ 77{
78 78
79class CTRTextureGouraudAdd2 : public IBurningShader 79class CTRTextureGouraudAdd2 : public IBurningShader
80{ 80{
81public: 81public:
82 82
83 //! constructor 83 //! constructor
84 CTRTextureGouraudAdd2(CBurningVideoDriver* driver); 84 CTRTextureGouraudAdd2(CBurningVideoDriver* driver);
85 85
86 //! draws an indexed triangle list 86 //! draws an indexed triangle list
87 virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ); 87 virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c );
88 88
89 89
90private: 90private:
91 void scanline_bilinear (); 91 void scanline_bilinear ();
92 sScanLineData line; 92 sScanLineData line;
93 93
94}; 94};
95 95
96//! constructor 96//! constructor
97CTRTextureGouraudAdd2::CTRTextureGouraudAdd2(CBurningVideoDriver* driver) 97CTRTextureGouraudAdd2::CTRTextureGouraudAdd2(CBurningVideoDriver* driver)
98: IBurningShader(driver) 98: IBurningShader(driver)
99{ 99{
100 #ifdef _DEBUG 100 #ifdef _DEBUG
101 setDebugName("CTRTextureGouraudAdd2"); 101 setDebugName("CTRTextureGouraudAdd2");
102 #endif 102 #endif
103} 103}
104 104
105 105
106 106
107/*! 107/*!
108*/ 108*/
109void CTRTextureGouraudAdd2::scanline_bilinear () 109void CTRTextureGouraudAdd2::scanline_bilinear ()
110{ 110{
111 tVideoSample *dst; 111 tVideoSample *dst;
112 112
113#ifdef USE_ZBUFFER 113#ifdef USE_ZBUFFER
114 fp24 *z; 114 fp24 *z;
115#endif 115#endif
116 116
117 s32 xStart; 117 s32 xStart;
118 s32 xEnd; 118 s32 xEnd;
119 s32 dx; 119 s32 dx;
120 120
121 121
122#ifdef SUBTEXEL 122#ifdef SUBTEXEL
123 f32 subPixel; 123 f32 subPixel;
124#endif 124#endif
125 125
126#ifdef IPOL_Z 126#ifdef IPOL_Z
127 f32 slopeZ; 127 f32 slopeZ;
128#endif 128#endif
129#ifdef IPOL_W 129#ifdef IPOL_W
130 fp24 slopeW; 130 fp24 slopeW;
131#endif 131#endif
132#ifdef IPOL_C0 132#ifdef IPOL_C0
133 sVec4 slopeC; 133 sVec4 slopeC;
134#endif 134#endif
135#ifdef IPOL_T0 135#ifdef IPOL_T0
136 sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES]; 136 sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
137#endif 137#endif
138 138
139 // apply top-left fill-convention, left 139 // apply top-left fill-convention, left
140 xStart = core::ceil32( line.x[0] ); 140 xStart = core::ceil32( line.x[0] );
141 xEnd = core::ceil32( line.x[1] ) - 1; 141 xEnd = core::ceil32( line.x[1] ) - 1;
142 142
143 dx = xEnd - xStart; 143 dx = xEnd - xStart;
144 144
145 if ( dx < 0 ) 145 if ( dx < 0 )
146 return; 146 return;
147 147
148 // slopes 148 // slopes
149 const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] ); 149 const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
150 150
151#ifdef IPOL_Z 151#ifdef IPOL_Z
152 slopeZ = (line.z[1] - line.z[0]) * invDeltaX; 152 slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
153#endif 153#endif
154#ifdef IPOL_W 154#ifdef IPOL_W
155 slopeW = (line.w[1] - line.w[0]) * invDeltaX; 155 slopeW = (line.w[1] - line.w[0]) * invDeltaX;
156#endif 156#endif
157#ifdef IPOL_C0 157#ifdef IPOL_C0
158 slopeC = (line.c[1] - line.c[0]) * invDeltaX; 158 slopeC = (line.c[1] - line.c[0]) * invDeltaX;
159#endif 159#endif
160#ifdef IPOL_T0 160#ifdef IPOL_T0
161 slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX; 161 slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
162#endif 162#endif
163#ifdef IPOL_T1 163#ifdef IPOL_T1
164 slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX; 164 slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
165#endif 165#endif
166 166
167#ifdef SUBTEXEL 167#ifdef SUBTEXEL
168 subPixel = ( (f32) xStart ) - line.x[0]; 168 subPixel = ( (f32) xStart ) - line.x[0];
169#ifdef IPOL_Z 169#ifdef IPOL_Z
170 line.z[0] += slopeZ * subPixel; 170 line.z[0] += slopeZ * subPixel;
171#endif 171#endif
172#ifdef IPOL_W 172#ifdef IPOL_W
173 line.w[0] += slopeW * subPixel; 173 line.w[0] += slopeW * subPixel;
174#endif 174#endif
175#ifdef IPOL_C0 175#ifdef IPOL_C0
176 line.c[0] += slopeC * subPixel; 176 line.c[0] += slopeC * subPixel;
177#endif 177#endif
178#ifdef IPOL_T0 178#ifdef IPOL_T0
179 line.t[0][0] += slopeT[0] * subPixel; 179 line.t[0][0] += slopeT[0] * subPixel;
180#endif 180#endif
181#ifdef IPOL_T1 181#ifdef IPOL_T1
182 line.t[1][0] += slopeT[1] * subPixel; 182 line.t[1][0] += slopeT[1] * subPixel;
183#endif 183#endif
184#endif 184#endif
185 185
186 dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; 186 dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
187 187
188#ifdef USE_ZBUFFER 188#ifdef USE_ZBUFFER
189 z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; 189 z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
190#endif 190#endif
191 191
192 192
193#ifdef INVERSE_W 193#ifdef INVERSE_W
194 f32 inversew; 194 f32 inversew;
195#endif 195#endif
196 196
197 197
198#ifdef BURNINGVIDEO_RENDERER_FAST 198#ifdef BURNINGVIDEO_RENDERER_FAST
199 u32 dIndex = ( line.y & 3 ) << 2; 199 u32 dIndex = ( line.y & 3 ) << 2;
200 200
201#else 201#else
202 tFixPoint tx0; 202 tFixPoint tx0;
203 tFixPoint ty0; 203 tFixPoint ty0;
204 204
205 tFixPoint r0, g0, b0; 205 tFixPoint r0, g0, b0;
206 tFixPoint r1, g1, b1; 206 tFixPoint r1, g1, b1;
207#endif 207#endif
208 208
209 209
210 for ( s32 i = 0; i <= dx; ++i ) 210 for ( s32 i = 0; i <= dx; ++i )
211 { 211 {
212#ifdef CMP_Z 212#ifdef CMP_Z
213 if ( line.z[0] < z[i] ) 213 if ( line.z[0] < z[i] )
214#endif 214#endif
215#ifdef CMP_W 215#ifdef CMP_W
216 if ( line.w[0] >= z[i] ) 216 if ( line.w[0] >= z[i] )
217#endif 217#endif
218 218
219 { 219 {
220 220
221 221
222#ifdef BURNINGVIDEO_RENDERER_FAST 222#ifdef BURNINGVIDEO_RENDERER_FAST
223 223
224 const tFixPointu d = dithermask [ dIndex | ( i ) & 3 ]; 224 const tFixPointu d = dithermask [ dIndex | ( i ) & 3 ];
225 225
226 226
227#ifdef INVERSE_W 227#ifdef INVERSE_W
228 inversew = fix_inverse32 ( line.w[0] ); 228 inversew = fix_inverse32 ( line.w[0] );
229 229
230 dst[i] = PixelAdd32 ( 230 dst[i] = PixelAdd32 (
231 dst[i], 231 dst[i],
232 getTexel_plain ( &IT[0], d + tofix ( line.t[0][0].x,inversew), 232 getTexel_plain ( &IT[0], d + tofix ( line.t[0][0].x,inversew),
233 d + tofix ( line.t[0][0].y,inversew) ) 233 d + tofix ( line.t[0][0].y,inversew) )
234 ); 234 );
235#else 235#else
236 dst[i] = PixelAdd32 ( 236 dst[i] = PixelAdd32 (
237 dst[i], 237 dst[i],
238 getTexel_plain ( &IT[0], d + tofix ( line.t[0][0].x), 238 getTexel_plain ( &IT[0], d + tofix ( line.t[0][0].x),
239 d + tofix ( line.t[0][0].y) ) 239 d + tofix ( line.t[0][0].y) )
240 ); 240 );
241 241
242#endif 242#endif
243#else 243#else
244 244
245#ifdef INVERSE_W 245#ifdef INVERSE_W
246 inversew = fix_inverse32 ( line.w[0] ); 246 inversew = fix_inverse32 ( line.w[0] );
247 247
248 tx0 = tofix ( line.t[0][0].x,inversew); 248 tx0 = tofix ( line.t[0][0].x,inversew);
249 ty0 = tofix ( line.t[0][0].y,inversew); 249 ty0 = tofix ( line.t[0][0].y,inversew);
250#else 250#else
251 tx0 = tofix ( line.t[0][0].x ); 251 tx0 = tofix ( line.t[0][0].x );
252 ty0 = tofix ( line.t[0][0].y ); 252 ty0 = tofix ( line.t[0][0].y );
253#endif 253#endif
254 getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 ); 254 getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
255 255
256 color_to_fix ( r1, g1, b1, dst[i] ); 256 color_to_fix ( r1, g1, b1, dst[i] );
257 257
258 dst[i] = fix_to_color ( clampfix_maxcolor ( r1 + r0 ), 258 dst[i] = fix_to_color ( clampfix_maxcolor ( r1 + r0 ),
259 clampfix_maxcolor ( g1 + g0 ), 259 clampfix_maxcolor ( g1 + g0 ),
260 clampfix_maxcolor ( b1 + b0 ) 260 clampfix_maxcolor ( b1 + b0 )
261 ); 261 );
262#endif 262#endif
263 263
264#ifdef WRITE_Z 264#ifdef WRITE_Z
265 z[i] = line.z[0]; 265 z[i] = line.z[0];
266#endif 266#endif
267#ifdef WRITE_W 267#ifdef WRITE_W
268 z[i] = line.w[0]; 268 z[i] = line.w[0];
269#endif 269#endif
270 270
271 } 271 }
272 272
273#ifdef IPOL_Z 273#ifdef IPOL_Z
274 line.z[0] += slopeZ; 274 line.z[0] += slopeZ;
275#endif 275#endif
276#ifdef IPOL_W 276#ifdef IPOL_W
277 line.w[0] += slopeW; 277 line.w[0] += slopeW;
278#endif 278#endif
279#ifdef IPOL_C0 279#ifdef IPOL_C0
280 line.c[0] += slopeC; 280 line.c[0] += slopeC;
281#endif 281#endif
282#ifdef IPOL_T0 282#ifdef IPOL_T0
283 line.t[0][0] += slopeT[0]; 283 line.t[0][0] += slopeT[0];
284#endif 284#endif
285#ifdef IPOL_T1 285#ifdef IPOL_T1
286 line.t[1][0] += slopeT[1]; 286 line.t[1][0] += slopeT[1];
287#endif 287#endif
288 } 288 }
289 289
290} 290}
291 291
292void CTRTextureGouraudAdd2::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ) 292void CTRTextureGouraudAdd2::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c )
293{ 293{
294 sScanConvertData scan; 294 sScanConvertData scan;
295 295
296 // sort on height, y 296 // sort on height, y
297 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); 297 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
298 if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c); 298 if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c);
299 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); 299 if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
300 300
301 const f32 ca = c->Pos.y - a->Pos.y; 301 const f32 ca = c->Pos.y - a->Pos.y;
302 const f32 ba = b->Pos.y - a->Pos.y; 302 const f32 ba = b->Pos.y - a->Pos.y;
303 const f32 cb = c->Pos.y - b->Pos.y; 303 const f32 cb = c->Pos.y - b->Pos.y;
304 // calculate delta y of the edges 304 // calculate delta y of the edges
305 scan.invDeltaY[0] = core::reciprocal( ca ); 305 scan.invDeltaY[0] = core::reciprocal( ca );
306 scan.invDeltaY[1] = core::reciprocal( ba ); 306 scan.invDeltaY[1] = core::reciprocal( ba );
307 scan.invDeltaY[2] = core::reciprocal( cb ); 307 scan.invDeltaY[2] = core::reciprocal( cb );
308 308
309 // find if the major edge is left or right aligned 309 // find if the major edge is left or right aligned
310 f32 temp[4]; 310 f32 temp[4];
311 311
312 temp[0] = a->Pos.x - c->Pos.x; 312 temp[0] = a->Pos.x - c->Pos.x;
313 temp[1] = -ca; 313 temp[1] = -ca;
314 temp[2] = b->Pos.x - a->Pos.x; 314 temp[2] = b->Pos.x - a->Pos.x;
315 temp[3] = ba; 315 temp[3] = ba;
316 316
317 scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1; 317 scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1;
318 scan.right = 1 - scan.left; 318 scan.right = 1 - scan.left;
319 319
320 // calculate slopes for the major edge 320 // calculate slopes for the major edge
321 scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0]; 321 scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0];
322 scan.x[0] = a->Pos.x; 322 scan.x[0] = a->Pos.x;
323 323
324#ifdef IPOL_Z 324#ifdef IPOL_Z
325 scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0]; 325 scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0];
326 scan.z[0] = a->Pos.z; 326 scan.z[0] = a->Pos.z;
327#endif 327#endif
328 328
329#ifdef IPOL_W 329#ifdef IPOL_W
330 scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0]; 330 scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0];
331 scan.w[0] = a->Pos.w; 331 scan.w[0] = a->Pos.w;
332#endif 332#endif
333 333
334#ifdef IPOL_C0 334#ifdef IPOL_C0
335 scan.slopeC[0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0]; 335 scan.slopeC[0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0];
336 scan.c[0] = a->Color[0]; 336 scan.c[0] = a->Color[0];
337#endif 337#endif
338 338
339#ifdef IPOL_T0 339#ifdef IPOL_T0
340 scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0]; 340 scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0];
341 scan.t[0][0] = a->Tex[0]; 341 scan.t[0][0] = a->Tex[0];
342#endif 342#endif
343 343
344#ifdef IPOL_T1 344#ifdef IPOL_T1
345 scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0]; 345 scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0];
346 scan.t[1][0] = a->Tex[1]; 346 scan.t[1][0] = a->Tex[1];
347#endif 347#endif
348 348
349 // top left fill convention y run 349 // top left fill convention y run
350 s32 yStart; 350 s32 yStart;
351 s32 yEnd; 351 s32 yEnd;
352 352
353#ifdef SUBTEXEL 353#ifdef SUBTEXEL
354 f32 subPixel; 354 f32 subPixel;
355#endif 355#endif
356 356
357 // rasterize upper sub-triangle 357 // rasterize upper sub-triangle
358 if ( F32_GREATER_0 ( scan.invDeltaY[1] ) ) 358 if ( F32_GREATER_0 ( scan.invDeltaY[1] ) )
359 { 359 {
360 // calculate slopes for top edge 360 // calculate slopes for top edge
361 scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1]; 361 scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1];
362 scan.x[1] = a->Pos.x; 362 scan.x[1] = a->Pos.x;
363 363
364#ifdef IPOL_Z 364#ifdef IPOL_Z
365 scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1]; 365 scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1];
366 scan.z[1] = a->Pos.z; 366 scan.z[1] = a->Pos.z;
367#endif 367#endif
368 368
369#ifdef IPOL_W 369#ifdef IPOL_W
370 scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1]; 370 scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1];
371 scan.w[1] = a->Pos.w; 371 scan.w[1] = a->Pos.w;
372#endif 372#endif
373 373
374#ifdef IPOL_C0 374#ifdef IPOL_C0
375 scan.slopeC[1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1]; 375 scan.slopeC[1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1];
376 scan.c[1] = a->Color[0]; 376 scan.c[1] = a->Color[0];
377#endif 377#endif
378 378
379#ifdef IPOL_T0 379#ifdef IPOL_T0
380 scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1]; 380 scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1];
381 scan.t[0][1] = a->Tex[0]; 381 scan.t[0][1] = a->Tex[0];
382#endif 382#endif
383 383
384#ifdef IPOL_T1 384#ifdef IPOL_T1
385 scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1]; 385 scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1];
386 scan.t[1][1] = a->Tex[1]; 386 scan.t[1][1] = a->Tex[1];
387#endif 387#endif
388 388
389 // apply top-left fill convention, top part 389 // apply top-left fill convention, top part
390 yStart = core::ceil32( a->Pos.y ); 390 yStart = core::ceil32( a->Pos.y );
391 yEnd = core::ceil32( b->Pos.y ) - 1; 391 yEnd = core::ceil32( b->Pos.y ) - 1;
392 392
393#ifdef SUBTEXEL 393#ifdef SUBTEXEL
394 subPixel = ( (f32) yStart ) - a->Pos.y; 394 subPixel = ( (f32) yStart ) - a->Pos.y;
395 395
396 // correct to pixel center 396 // correct to pixel center
397 scan.x[0] += scan.slopeX[0] * subPixel; 397 scan.x[0] += scan.slopeX[0] * subPixel;
398 scan.x[1] += scan.slopeX[1] * subPixel; 398 scan.x[1] += scan.slopeX[1] * subPixel;
399 399
400#ifdef IPOL_Z 400#ifdef IPOL_Z
401 scan.z[0] += scan.slopeZ[0] * subPixel; 401 scan.z[0] += scan.slopeZ[0] * subPixel;
402 scan.z[1] += scan.slopeZ[1] * subPixel; 402 scan.z[1] += scan.slopeZ[1] * subPixel;
403#endif 403#endif
404 404
405#ifdef IPOL_W 405#ifdef IPOL_W
406 scan.w[0] += scan.slopeW[0] * subPixel; 406 scan.w[0] += scan.slopeW[0] * subPixel;
407 scan.w[1] += scan.slopeW[1] * subPixel; 407 scan.w[1] += scan.slopeW[1] * subPixel;
408#endif 408#endif
409 409
410#ifdef IPOL_C0 410#ifdef IPOL_C0
411 scan.c[0] += scan.slopeC[0] * subPixel; 411 scan.c[0] += scan.slopeC[0] * subPixel;
412 scan.c[1] += scan.slopeC[1] * subPixel; 412 scan.c[1] += scan.slopeC[1] * subPixel;
413#endif 413#endif
414 414
415#ifdef IPOL_T0 415#ifdef IPOL_T0
416 scan.t[0][0] += scan.slopeT[0][0] * subPixel; 416 scan.t[0][0] += scan.slopeT[0][0] * subPixel;
417 scan.t[0][1] += scan.slopeT[0][1] * subPixel; 417 scan.t[0][1] += scan.slopeT[0][1] * subPixel;
418#endif 418#endif
419 419
420#ifdef IPOL_T1 420#ifdef IPOL_T1
421 scan.t[1][0] += scan.slopeT[1][0] * subPixel; 421 scan.t[1][0] += scan.slopeT[1][0] * subPixel;
422 scan.t[1][1] += scan.slopeT[1][1] * subPixel; 422 scan.t[1][1] += scan.slopeT[1][1] * subPixel;
423#endif 423#endif
424 424
425#endif 425#endif
426 426
427 // rasterize the edge scanlines 427 // rasterize the edge scanlines
428 for( line.y = yStart; line.y <= yEnd; ++line.y) 428 for( line.y = yStart; line.y <= yEnd; ++line.y)
429 { 429 {
430 line.x[scan.left] = scan.x[0]; 430 line.x[scan.left] = scan.x[0];
431 line.x[scan.right] = scan.x[1]; 431 line.x[scan.right] = scan.x[1];
432 432
433#ifdef IPOL_Z 433#ifdef IPOL_Z
434 line.z[scan.left] = scan.z[0]; 434 line.z[scan.left] = scan.z[0];
435 line.z[scan.right] = scan.z[1]; 435 line.z[scan.right] = scan.z[1];
436#endif 436#endif
437 437
438#ifdef IPOL_W 438#ifdef IPOL_W
439 line.w[scan.left] = scan.w[0]; 439 line.w[scan.left] = scan.w[0];
440 line.w[scan.right] = scan.w[1]; 440 line.w[scan.right] = scan.w[1];
441#endif 441#endif
442 442
443#ifdef IPOL_C0 443#ifdef IPOL_C0
444 line.c[scan.left] = scan.c[0]; 444 line.c[scan.left] = scan.c[0];
445 line.c[scan.right] = scan.c[1]; 445 line.c[scan.right] = scan.c[1];
446#endif 446#endif
447 447
448#ifdef IPOL_T0 448#ifdef IPOL_T0
449 line.t[0][scan.left] = scan.t[0][0]; 449 line.t[0][scan.left] = scan.t[0][0];
450 line.t[0][scan.right] = scan.t[0][1]; 450 line.t[0][scan.right] = scan.t[0][1];
451#endif 451#endif
452 452
453#ifdef IPOL_T1 453#ifdef IPOL_T1
454 line.t[1][scan.left] = scan.t[1][0]; 454 line.t[1][scan.left] = scan.t[1][0];
455 line.t[1][scan.right] = scan.t[1][1]; 455 line.t[1][scan.right] = scan.t[1][1];
456#endif 456#endif
457 457
458 // render a scanline 458 // render a scanline
459 scanline_bilinear (); 459 scanline_bilinear ();
460 460
461 scan.x[0] += scan.slopeX[0]; 461 scan.x[0] += scan.slopeX[0];
462 scan.x[1] += scan.slopeX[1]; 462 scan.x[1] += scan.slopeX[1];
463 463
464#ifdef IPOL_Z 464#ifdef IPOL_Z
465 scan.z[0] += scan.slopeZ[0]; 465 scan.z[0] += scan.slopeZ[0];
466 scan.z[1] += scan.slopeZ[1]; 466 scan.z[1] += scan.slopeZ[1];
467#endif 467#endif
468 468
469#ifdef IPOL_W 469#ifdef IPOL_W
470 scan.w[0] += scan.slopeW[0]; 470 scan.w[0] += scan.slopeW[0];
471 scan.w[1] += scan.slopeW[1]; 471 scan.w[1] += scan.slopeW[1];
472#endif 472#endif
473 473
474#ifdef IPOL_C0 474#ifdef IPOL_C0
475 scan.c[0] += scan.slopeC[0]; 475 scan.c[0] += scan.slopeC[0];
476 scan.c[1] += scan.slopeC[1]; 476 scan.c[1] += scan.slopeC[1];
477#endif 477#endif
478 478
479#ifdef IPOL_T0 479#ifdef IPOL_T0
480 scan.t[0][0] += scan.slopeT[0][0]; 480 scan.t[0][0] += scan.slopeT[0][0];
481 scan.t[0][1] += scan.slopeT[0][1]; 481 scan.t[0][1] += scan.slopeT[0][1];
482#endif 482#endif
483 483
484#ifdef IPOL_T1 484#ifdef IPOL_T1
485 scan.t[1][0] += scan.slopeT[1][0]; 485 scan.t[1][0] += scan.slopeT[1][0];
486 scan.t[1][1] += scan.slopeT[1][1]; 486 scan.t[1][1] += scan.slopeT[1][1];
487#endif 487#endif
488 488
489 } 489 }
490 } 490 }
491 491
492 // rasterize lower sub-triangle 492 // rasterize lower sub-triangle
493 if ( (f32) 0.0 != scan.invDeltaY[2] ) 493 if ( (f32) 0.0 != scan.invDeltaY[2] )
494 { 494 {
495 // advance to middle point 495 // advance to middle point
496 if( (f32) 0.0 != scan.invDeltaY[1] ) 496 if( (f32) 0.0 != scan.invDeltaY[1] )
497 { 497 {
498 temp[0] = b->Pos.y - a->Pos.y; // dy 498 temp[0] = b->Pos.y - a->Pos.y; // dy
499 499
500 scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0]; 500 scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0];
501#ifdef IPOL_Z 501#ifdef IPOL_Z
502 scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0]; 502 scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0];
503#endif 503#endif
504#ifdef IPOL_W 504#ifdef IPOL_W
505 scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0]; 505 scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0];
506#endif 506#endif
507#ifdef IPOL_C0 507#ifdef IPOL_C0
508 scan.c[0] = a->Color[0] + scan.slopeC[0] * temp[0]; 508 scan.c[0] = a->Color[0] + scan.slopeC[0] * temp[0];
509#endif 509#endif
510#ifdef IPOL_T0 510#ifdef IPOL_T0
511 scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0]; 511 scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0];
512#endif 512#endif
513#ifdef IPOL_T1 513#ifdef IPOL_T1
514 scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0]; 514 scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0];
515#endif 515#endif
516 516
517 } 517 }
518 518
519 // calculate slopes for bottom edge 519 // calculate slopes for bottom edge
520 scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2]; 520 scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2];
521 scan.x[1] = b->Pos.x; 521 scan.x[1] = b->Pos.x;
522 522
523#ifdef IPOL_Z 523#ifdef IPOL_Z
524 scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2]; 524 scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2];
525 scan.z[1] = b->Pos.z; 525 scan.z[1] = b->Pos.z;
526#endif 526#endif
527 527
528#ifdef IPOL_W 528#ifdef IPOL_W
529 scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2]; 529 scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2];
530 scan.w[1] = b->Pos.w; 530 scan.w[1] = b->Pos.w;
531#endif 531#endif
532 532
533#ifdef IPOL_C0 533#ifdef IPOL_C0
534 scan.slopeC[1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2]; 534 scan.slopeC[1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2];
535 scan.c[1] = b->Color[0]; 535 scan.c[1] = b->Color[0];
536#endif 536#endif
537 537
538#ifdef IPOL_T0 538#ifdef IPOL_T0
539 scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2]; 539 scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2];
540 scan.t[0][1] = b->Tex[0]; 540 scan.t[0][1] = b->Tex[0];
541#endif 541#endif
542 542
543#ifdef IPOL_T1 543#ifdef IPOL_T1
544 scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2]; 544 scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2];
545 scan.t[1][1] = b->Tex[1]; 545 scan.t[1][1] = b->Tex[1];
546#endif 546#endif
547 547
548 // apply top-left fill convention, top part 548 // apply top-left fill convention, top part
549 yStart = core::ceil32( b->Pos.y ); 549 yStart = core::ceil32( b->Pos.y );
550 yEnd = core::ceil32( c->Pos.y ) - 1; 550 yEnd = core::ceil32( c->Pos.y ) - 1;
551 551
552#ifdef SUBTEXEL 552#ifdef SUBTEXEL
553 553
554 subPixel = ( (f32) yStart ) - b->Pos.y; 554 subPixel = ( (f32) yStart ) - b->Pos.y;
555 555
556 // correct to pixel center 556 // correct to pixel center
557 scan.x[0] += scan.slopeX[0] * subPixel; 557 scan.x[0] += scan.slopeX[0] * subPixel;
558 scan.x[1] += scan.slopeX[1] * subPixel; 558 scan.x[1] += scan.slopeX[1] * subPixel;
559 559
560#ifdef IPOL_Z 560#ifdef IPOL_Z
561 scan.z[0] += scan.slopeZ[0] * subPixel; 561 scan.z[0] += scan.slopeZ[0] * subPixel;
562 scan.z[1] += scan.slopeZ[1] * subPixel; 562 scan.z[1] += scan.slopeZ[1] * subPixel;
563#endif 563#endif
564 564
565#ifdef IPOL_W 565#ifdef IPOL_W
566 scan.w[0] += scan.slopeW[0] * subPixel; 566 scan.w[0] += scan.slopeW[0] * subPixel;
567 scan.w[1] += scan.slopeW[1] * subPixel; 567 scan.w[1] += scan.slopeW[1] * subPixel;
568#endif 568#endif
569 569
570#ifdef IPOL_C0 570#ifdef IPOL_C0
571 scan.c[0] += scan.slopeC[0] * subPixel; 571 scan.c[0] += scan.slopeC[0] * subPixel;
572 scan.c[1] += scan.slopeC[1] * subPixel; 572 scan.c[1] += scan.slopeC[1] * subPixel;
573#endif 573#endif
574 574
575#ifdef IPOL_T0 575#ifdef IPOL_T0
576 scan.t[0][0] += scan.slopeT[0][0] * subPixel; 576 scan.t[0][0] += scan.slopeT[0][0] * subPixel;
577 scan.t[0][1] += scan.slopeT[0][1] * subPixel; 577 scan.t[0][1] += scan.slopeT[0][1] * subPixel;
578#endif 578#endif
579 579
580#ifdef IPOL_T1 580#ifdef IPOL_T1
581 scan.t[1][0] += scan.slopeT[1][0] * subPixel; 581 scan.t[1][0] += scan.slopeT[1][0] * subPixel;
582 scan.t[1][1] += scan.slopeT[1][1] * subPixel; 582 scan.t[1][1] += scan.slopeT[1][1] * subPixel;
583#endif 583#endif
584 584
585#endif 585#endif
586 586
587 // rasterize the edge scanlines 587 // rasterize the edge scanlines
588 for( line.y = yStart; line.y <= yEnd; ++line.y) 588 for( line.y = yStart; line.y <= yEnd; ++line.y)
589 { 589 {
590 line.x[scan.left] = scan.x[0]; 590 line.x[scan.left] = scan.x[0];
591 line.x[scan.right] = scan.x[1]; 591 line.x[scan.right] = scan.x[1];
592 592
593#ifdef IPOL_Z 593#ifdef IPOL_Z
594 line.z[scan.left] = scan.z[0]; 594 line.z[scan.left] = scan.z[0];
595 line.z[scan.right] = scan.z[1]; 595 line.z[scan.right] = scan.z[1];
596#endif 596#endif
597 597
598#ifdef IPOL_W 598#ifdef IPOL_W
599 line.w[scan.left] = scan.w[0]; 599 line.w[scan.left] = scan.w[0];
600 line.w[scan.right] = scan.w[1]; 600 line.w[scan.right] = scan.w[1];
601#endif 601#endif
602 602
603#ifdef IPOL_C0 603#ifdef IPOL_C0
604 line.c[scan.left] = scan.c[0]; 604 line.c[scan.left] = scan.c[0];
605 line.c[scan.right] = scan.c[1]; 605 line.c[scan.right] = scan.c[1];
606#endif 606#endif
607 607
608#ifdef IPOL_T0 608#ifdef IPOL_T0
609 line.t[0][scan.left] = scan.t[0][0]; 609 line.t[0][scan.left] = scan.t[0][0];
610 line.t[0][scan.right] = scan.t[0][1]; 610 line.t[0][scan.right] = scan.t[0][1];
611#endif 611#endif
612 612
613#ifdef IPOL_T1 613#ifdef IPOL_T1
614 line.t[1][scan.left] = scan.t[1][0]; 614 line.t[1][scan.left] = scan.t[1][0];
615 line.t[1][scan.right] = scan.t[1][1]; 615 line.t[1][scan.right] = scan.t[1][1];
616#endif 616#endif
617 617
618 // render a scanline 618 // render a scanline
619 scanline_bilinear (); 619 scanline_bilinear ();
620 620
621 scan.x[0] += scan.slopeX[0]; 621 scan.x[0] += scan.slopeX[0];
622 scan.x[1] += scan.slopeX[1]; 622 scan.x[1] += scan.slopeX[1];
623 623
624#ifdef IPOL_Z 624#ifdef IPOL_Z
625 scan.z[0] += scan.slopeZ[0]; 625 scan.z[0] += scan.slopeZ[0];
626 scan.z[1] += scan.slopeZ[1]; 626 scan.z[1] += scan.slopeZ[1];
627#endif 627#endif
628 628
629#ifdef IPOL_W 629#ifdef IPOL_W
630 scan.w[0] += scan.slopeW[0]; 630 scan.w[0] += scan.slopeW[0];
631 scan.w[1] += scan.slopeW[1]; 631 scan.w[1] += scan.slopeW[1];
632#endif 632#endif
633 633
634#ifdef IPOL_C0 634#ifdef IPOL_C0
635 scan.c[0] += scan.slopeC[0]; 635 scan.c[0] += scan.slopeC[0];
636 scan.c[1] += scan.slopeC[1]; 636 scan.c[1] += scan.slopeC[1];
637#endif 637#endif
638 638
639#ifdef IPOL_T0 639#ifdef IPOL_T0
640 scan.t[0][0] += scan.slopeT[0][0]; 640 scan.t[0][0] += scan.slopeT[0][0];
641 scan.t[0][1] += scan.slopeT[0][1]; 641 scan.t[0][1] += scan.slopeT[0][1];
642#endif 642#endif
643 643
644#ifdef IPOL_T1 644#ifdef IPOL_T1
645 scan.t[1][0] += scan.slopeT[1][0]; 645 scan.t[1][0] += scan.slopeT[1][0];
646 scan.t[1][1] += scan.slopeT[1][1]; 646 scan.t[1][1] += scan.slopeT[1][1];
647#endif 647#endif
648 648
649 } 649 }
650 } 650 }
651 651
652} 652}
653 653
654 654
655} // end namespace video 655} // end namespace video
656} // end namespace irr 656} // end namespace irr
657 657
658#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ 658#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
659 659
660namespace irr 660namespace irr
661{ 661{
662namespace video 662namespace video
663{ 663{
664 664
665//! creates a flat triangle renderer 665//! creates a flat triangle renderer
666IBurningShader* createTRTextureGouraudAdd2(CBurningVideoDriver* driver) 666IBurningShader* createTRTextureGouraudAdd2(CBurningVideoDriver* driver)
667{ 667{
668 #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_ 668 #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
669 return new CTRTextureGouraudAdd2(driver); 669 return new CTRTextureGouraudAdd2(driver);
670 #else 670 #else
671 return 0; 671 return 0;
672 #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ 672 #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
673} 673}
674 674
675 675
676} // end namespace video 676} // end namespace video
677} // end namespace irr 677} // end namespace irr
678 678
679 679
680 680
generated by cgit v1.1 at 2024-07-18 14:11:39 +0000