diff options
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/CTRNormalMap.cpp')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/CTRNormalMap.cpp | 1696 |
1 files changed, 848 insertions, 848 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CTRNormalMap.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CTRNormalMap.cpp index 94c0962..a3d3f2b 100644 --- a/libraries/irrlicht-1.8/source/Irrlicht/CTRNormalMap.cpp +++ b/libraries/irrlicht-1.8/source/Irrlicht/CTRNormalMap.cpp | |||
@@ -1,848 +1,848 @@ | |||
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 | #undef IPOL_T2 | 26 | #undef IPOL_T2 |
27 | #undef IPOL_L0 | 27 | #undef IPOL_L0 |
28 | 28 | ||
29 | // define render case | 29 | // define render case |
30 | #define SUBTEXEL | 30 | #define SUBTEXEL |
31 | #define INVERSE_W | 31 | #define INVERSE_W |
32 | 32 | ||
33 | #define USE_ZBUFFER | 33 | #define USE_ZBUFFER |
34 | #define IPOL_W | 34 | #define IPOL_W |
35 | #define CMP_W | 35 | #define CMP_W |
36 | #define WRITE_W | 36 | #define WRITE_W |
37 | 37 | ||
38 | #define IPOL_C0 | 38 | #define IPOL_C0 |
39 | #define IPOL_T0 | 39 | #define IPOL_T0 |
40 | #define IPOL_T1 | 40 | #define IPOL_T1 |
41 | #define IPOL_L0 | 41 | #define IPOL_L0 |
42 | 42 | ||
43 | // apply global override | 43 | // apply global override |
44 | #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT | 44 | #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT |
45 | #undef INVERSE_W | 45 | #undef INVERSE_W |
46 | #endif | 46 | #endif |
47 | 47 | ||
48 | #ifndef SOFTWARE_DRIVER_2_SUBTEXEL | 48 | #ifndef SOFTWARE_DRIVER_2_SUBTEXEL |
49 | #undef SUBTEXEL | 49 | #undef SUBTEXEL |
50 | #endif | 50 | #endif |
51 | 51 | ||
52 | #ifndef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR | 52 | #ifndef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR |
53 | #undef IPOL_C0 | 53 | #undef IPOL_C0 |
54 | #endif | 54 | #endif |
55 | 55 | ||
56 | #if !defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) && defined ( USE_ZBUFFER ) | 56 | #if !defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) && defined ( USE_ZBUFFER ) |
57 | #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT | 57 | #ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT |
58 | #undef IPOL_W | 58 | #undef IPOL_W |
59 | #endif | 59 | #endif |
60 | #define IPOL_Z | 60 | #define IPOL_Z |
61 | 61 | ||
62 | #ifdef CMP_W | 62 | #ifdef CMP_W |
63 | #undef CMP_W | 63 | #undef CMP_W |
64 | #define CMP_Z | 64 | #define CMP_Z |
65 | #endif | 65 | #endif |
66 | 66 | ||
67 | #ifdef WRITE_W | 67 | #ifdef WRITE_W |
68 | #undef WRITE_W | 68 | #undef WRITE_W |
69 | #define WRITE_Z | 69 | #define WRITE_Z |
70 | #endif | 70 | #endif |
71 | 71 | ||
72 | #endif | 72 | #endif |
73 | 73 | ||
74 | 74 | ||
75 | namespace irr | 75 | namespace irr |
76 | { | 76 | { |
77 | 77 | ||
78 | namespace video | 78 | namespace video |
79 | { | 79 | { |
80 | 80 | ||
81 | 81 | ||
82 | class CTRNormalMap : public IBurningShader | 82 | class CTRNormalMap : public IBurningShader |
83 | { | 83 | { |
84 | public: | 84 | public: |
85 | 85 | ||
86 | //! constructor | 86 | //! constructor |
87 | CTRNormalMap(CBurningVideoDriver* driver); | 87 | CTRNormalMap(CBurningVideoDriver* driver); |
88 | 88 | ||
89 | //! draws an indexed triangle list | 89 | //! draws an indexed triangle list |
90 | virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ); | 90 | virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ); |
91 | 91 | ||
92 | 92 | ||
93 | private: | 93 | private: |
94 | void scanline_bilinear (); | 94 | void scanline_bilinear (); |
95 | 95 | ||
96 | sScanConvertData scan; | 96 | sScanConvertData scan; |
97 | sScanLineData line; | 97 | sScanLineData line; |
98 | 98 | ||
99 | }; | 99 | }; |
100 | 100 | ||
101 | //! constructor | 101 | //! constructor |
102 | CTRNormalMap::CTRNormalMap(CBurningVideoDriver* driver) | 102 | CTRNormalMap::CTRNormalMap(CBurningVideoDriver* driver) |
103 | : IBurningShader(driver) | 103 | : IBurningShader(driver) |
104 | { | 104 | { |
105 | #ifdef _DEBUG | 105 | #ifdef _DEBUG |
106 | setDebugName("CTRNormalMap"); | 106 | setDebugName("CTRNormalMap"); |
107 | #endif | 107 | #endif |
108 | } | 108 | } |
109 | 109 | ||
110 | 110 | ||
111 | 111 | ||
112 | /*! | 112 | /*! |
113 | */ | 113 | */ |
114 | void CTRNormalMap::scanline_bilinear () | 114 | void CTRNormalMap::scanline_bilinear () |
115 | { | 115 | { |
116 | tVideoSample *dst; | 116 | tVideoSample *dst; |
117 | 117 | ||
118 | #ifdef USE_ZBUFFER | 118 | #ifdef USE_ZBUFFER |
119 | fp24 *z; | 119 | fp24 *z; |
120 | #endif | 120 | #endif |
121 | 121 | ||
122 | s32 xStart; | 122 | s32 xStart; |
123 | s32 xEnd; | 123 | s32 xEnd; |
124 | s32 dx; | 124 | s32 dx; |
125 | 125 | ||
126 | 126 | ||
127 | #ifdef SUBTEXEL | 127 | #ifdef SUBTEXEL |
128 | f32 subPixel; | 128 | f32 subPixel; |
129 | #endif | 129 | #endif |
130 | 130 | ||
131 | #ifdef IPOL_Z | 131 | #ifdef IPOL_Z |
132 | f32 slopeZ; | 132 | f32 slopeZ; |
133 | #endif | 133 | #endif |
134 | #ifdef IPOL_W | 134 | #ifdef IPOL_W |
135 | fp24 slopeW; | 135 | fp24 slopeW; |
136 | #endif | 136 | #endif |
137 | #ifdef IPOL_C0 | 137 | #ifdef IPOL_C0 |
138 | sVec4 slopeC[MATERIAL_MAX_COLORS]; | 138 | sVec4 slopeC[MATERIAL_MAX_COLORS]; |
139 | #endif | 139 | #endif |
140 | #ifdef IPOL_T0 | 140 | #ifdef IPOL_T0 |
141 | sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES]; | 141 | sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES]; |
142 | #endif | 142 | #endif |
143 | #ifdef IPOL_L0 | 143 | #ifdef IPOL_L0 |
144 | sVec3 slopeL[BURNING_MATERIAL_MAX_TANGENT]; | 144 | sVec3 slopeL[BURNING_MATERIAL_MAX_TANGENT]; |
145 | #endif | 145 | #endif |
146 | 146 | ||
147 | // apply top-left fill-convention, left | 147 | // apply top-left fill-convention, left |
148 | xStart = core::ceil32( line.x[0] ); | 148 | xStart = core::ceil32( line.x[0] ); |
149 | xEnd = core::ceil32( line.x[1] ) - 1; | 149 | xEnd = core::ceil32( line.x[1] ) - 1; |
150 | 150 | ||
151 | dx = xEnd - xStart; | 151 | dx = xEnd - xStart; |
152 | 152 | ||
153 | if ( dx < 0 ) | 153 | if ( dx < 0 ) |
154 | return; | 154 | return; |
155 | 155 | ||
156 | // slopes | 156 | // slopes |
157 | const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] ); | 157 | const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] ); |
158 | 158 | ||
159 | #ifdef IPOL_Z | 159 | #ifdef IPOL_Z |
160 | slopeZ = (line.z[1] - line.z[0]) * invDeltaX; | 160 | slopeZ = (line.z[1] - line.z[0]) * invDeltaX; |
161 | #endif | 161 | #endif |
162 | #ifdef IPOL_W | 162 | #ifdef IPOL_W |
163 | slopeW = (line.w[1] - line.w[0]) * invDeltaX; | 163 | slopeW = (line.w[1] - line.w[0]) * invDeltaX; |
164 | #endif | 164 | #endif |
165 | #ifdef IPOL_C0 | 165 | #ifdef IPOL_C0 |
166 | slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX; | 166 | slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX; |
167 | #endif | 167 | #endif |
168 | #ifdef IPOL_T0 | 168 | #ifdef IPOL_T0 |
169 | slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX; | 169 | slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX; |
170 | #endif | 170 | #endif |
171 | #ifdef IPOL_T1 | 171 | #ifdef IPOL_T1 |
172 | slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX; | 172 | slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX; |
173 | #endif | 173 | #endif |
174 | #ifdef IPOL_T2 | 174 | #ifdef IPOL_T2 |
175 | slopeT[2] = (line.t[2][1] - line.t[2][0]) * invDeltaX; | 175 | slopeT[2] = (line.t[2][1] - line.t[2][0]) * invDeltaX; |
176 | #endif | 176 | #endif |
177 | #ifdef IPOL_L0 | 177 | #ifdef IPOL_L0 |
178 | slopeL[0] = (line.l[0][1] - line.l[0][0]) * invDeltaX; | 178 | slopeL[0] = (line.l[0][1] - line.l[0][0]) * invDeltaX; |
179 | #endif | 179 | #endif |
180 | 180 | ||
181 | #ifdef SUBTEXEL | 181 | #ifdef SUBTEXEL |
182 | subPixel = ( (f32) xStart ) - line.x[0]; | 182 | subPixel = ( (f32) xStart ) - line.x[0]; |
183 | #ifdef IPOL_Z | 183 | #ifdef IPOL_Z |
184 | line.z[0] += slopeZ * subPixel; | 184 | line.z[0] += slopeZ * subPixel; |
185 | #endif | 185 | #endif |
186 | #ifdef IPOL_W | 186 | #ifdef IPOL_W |
187 | line.w[0] += slopeW * subPixel; | 187 | line.w[0] += slopeW * subPixel; |
188 | #endif | 188 | #endif |
189 | #ifdef IPOL_C0 | 189 | #ifdef IPOL_C0 |
190 | line.c[0][0] += slopeC[0] * subPixel; | 190 | line.c[0][0] += slopeC[0] * subPixel; |
191 | #endif | 191 | #endif |
192 | #ifdef IPOL_T0 | 192 | #ifdef IPOL_T0 |
193 | line.t[0][0] += slopeT[0] * subPixel; | 193 | line.t[0][0] += slopeT[0] * subPixel; |
194 | #endif | 194 | #endif |
195 | #ifdef IPOL_T1 | 195 | #ifdef IPOL_T1 |
196 | line.t[1][0] += slopeT[1] * subPixel; | 196 | line.t[1][0] += slopeT[1] * subPixel; |
197 | #endif | 197 | #endif |
198 | #ifdef IPOL_T2 | 198 | #ifdef IPOL_T2 |
199 | line.t[2][0] += slopeT[2] * subPixel; | 199 | line.t[2][0] += slopeT[2] * subPixel; |
200 | #endif | 200 | #endif |
201 | #ifdef IPOL_L0 | 201 | #ifdef IPOL_L0 |
202 | line.l[0][0] += slopeL[0] * subPixel; | 202 | line.l[0][0] += slopeL[0] * subPixel; |
203 | #endif | 203 | #endif |
204 | #endif | 204 | #endif |
205 | 205 | ||
206 | dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; | 206 | dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; |
207 | 207 | ||
208 | #ifdef USE_ZBUFFER | 208 | #ifdef USE_ZBUFFER |
209 | z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; | 209 | z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart; |
210 | #endif | 210 | #endif |
211 | 211 | ||
212 | 212 | ||
213 | #ifdef INVERSE_W | 213 | #ifdef INVERSE_W |
214 | f32 inversew; | 214 | f32 inversew; |
215 | #endif | 215 | #endif |
216 | 216 | ||
217 | tFixPoint tx0, tx1; | 217 | tFixPoint tx0, tx1; |
218 | tFixPoint ty0, ty1; | 218 | tFixPoint ty0, ty1; |
219 | 219 | ||
220 | tFixPoint r0, g0, b0; | 220 | tFixPoint r0, g0, b0; |
221 | tFixPoint r1, g1, b1; | 221 | tFixPoint r1, g1, b1; |
222 | tFixPoint r2, g2, b2; | 222 | tFixPoint r2, g2, b2; |
223 | 223 | ||
224 | tFixPoint lx, ly, lz; | 224 | tFixPoint lx, ly, lz; |
225 | tFixPoint ndotl; | 225 | tFixPoint ndotl; |
226 | 226 | ||
227 | sVec3 light; | 227 | sVec3 light; |
228 | 228 | ||
229 | 229 | ||
230 | #ifdef IPOL_C0 | 230 | #ifdef IPOL_C0 |
231 | tFixPoint r3, g3, b3; | 231 | tFixPoint r3, g3, b3; |
232 | #endif | 232 | #endif |
233 | 233 | ||
234 | for ( s32 i = 0; i <= dx; i++ ) | 234 | for ( s32 i = 0; i <= dx; i++ ) |
235 | { | 235 | { |
236 | #ifdef CMP_Z | 236 | #ifdef CMP_Z |
237 | if ( line.z[0] < z[i] ) | 237 | if ( line.z[0] < z[i] ) |
238 | #endif | 238 | #endif |
239 | #ifdef CMP_W | 239 | #ifdef CMP_W |
240 | if ( line.w[0] >= z[i] ) | 240 | if ( line.w[0] >= z[i] ) |
241 | #endif | 241 | #endif |
242 | { | 242 | { |
243 | #ifdef INVERSE_W | 243 | #ifdef INVERSE_W |
244 | inversew = fix_inverse32 ( line.w[0] ); | 244 | inversew = fix_inverse32 ( line.w[0] ); |
245 | 245 | ||
246 | tx0 = tofix ( line.t[0][0].x,inversew); | 246 | tx0 = tofix ( line.t[0][0].x,inversew); |
247 | ty0 = tofix ( line.t[0][0].y,inversew); | 247 | ty0 = tofix ( line.t[0][0].y,inversew); |
248 | tx1 = tofix ( line.t[1][0].x,inversew); | 248 | tx1 = tofix ( line.t[1][0].x,inversew); |
249 | ty1 = tofix ( line.t[1][0].y,inversew); | 249 | ty1 = tofix ( line.t[1][0].y,inversew); |
250 | 250 | ||
251 | 251 | ||
252 | #ifdef IPOL_C0 | 252 | #ifdef IPOL_C0 |
253 | r3 = tofix ( line.c[0][0].y ,inversew ); | 253 | r3 = tofix ( line.c[0][0].y ,inversew ); |
254 | g3 = tofix ( line.c[0][0].z ,inversew ); | 254 | g3 = tofix ( line.c[0][0].z ,inversew ); |
255 | b3 = tofix ( line.c[0][0].w ,inversew ); | 255 | b3 = tofix ( line.c[0][0].w ,inversew ); |
256 | #endif | 256 | #endif |
257 | 257 | ||
258 | #else | 258 | #else |
259 | tx0 = tofix ( line.t[0][0].x ); | 259 | tx0 = tofix ( line.t[0][0].x ); |
260 | ty0 = tofix ( line.t[0][0].y ); | 260 | ty0 = tofix ( line.t[0][0].y ); |
261 | tx1 = tofix ( line.t[1][0].x ); | 261 | tx1 = tofix ( line.t[1][0].x ); |
262 | ty1 = tofix ( line.t[1][0].y ); | 262 | ty1 = tofix ( line.t[1][0].y ); |
263 | 263 | ||
264 | #ifdef IPOL_C0 | 264 | #ifdef IPOL_C0 |
265 | r3 = tofix ( line.c[0][0].y ); | 265 | r3 = tofix ( line.c[0][0].y ); |
266 | g3 = tofix ( line.c[0][0].z ); | 266 | g3 = tofix ( line.c[0][0].z ); |
267 | b3 = tofix ( line.c[0][0].w ); | 267 | b3 = tofix ( line.c[0][0].w ); |
268 | #endif | 268 | #endif |
269 | 269 | ||
270 | #endif | 270 | #endif |
271 | getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 ); | 271 | getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 ); |
272 | 272 | ||
273 | // normal map | 273 | // normal map |
274 | getSample_texture ( r1, g1, b1, &IT[1], tx1, ty1 ); | 274 | getSample_texture ( r1, g1, b1, &IT[1], tx1, ty1 ); |
275 | 275 | ||
276 | r1 = ( r1 - FIX_POINT_HALF_COLOR) >> (COLOR_MAX_LOG2-1); | 276 | r1 = ( r1 - FIX_POINT_HALF_COLOR) >> (COLOR_MAX_LOG2-1); |
277 | g1 = ( g1 - FIX_POINT_HALF_COLOR) >> (COLOR_MAX_LOG2-1); | 277 | g1 = ( g1 - FIX_POINT_HALF_COLOR) >> (COLOR_MAX_LOG2-1); |
278 | b1 = ( b1 - FIX_POINT_HALF_COLOR) >> (COLOR_MAX_LOG2-1); | 278 | b1 = ( b1 - FIX_POINT_HALF_COLOR) >> (COLOR_MAX_LOG2-1); |
279 | 279 | ||
280 | /* | 280 | /* |
281 | sVec3 l = line.l[0][0] * inversew; | 281 | sVec3 l = line.l[0][0] * inversew; |
282 | l.setLength( 2.f ); | 282 | l.setLength( 2.f ); |
283 | 283 | ||
284 | lx = tofix ( l.x - 0.5f ); | 284 | lx = tofix ( l.x - 0.5f ); |
285 | ly = tofix ( l.y - 0.5f ); | 285 | ly = tofix ( l.y - 0.5f ); |
286 | lz = tofix ( l.z - 0.5f ); | 286 | lz = tofix ( l.z - 0.5f ); |
287 | */ | 287 | */ |
288 | 288 | ||
289 | lx = tofix ( line.l[0][0].x, inversew ); | 289 | lx = tofix ( line.l[0][0].x, inversew ); |
290 | ly = tofix ( line.l[0][0].y, inversew ); | 290 | ly = tofix ( line.l[0][0].y, inversew ); |
291 | lz = tofix ( line.l[0][0].z, inversew ); | 291 | lz = tofix ( line.l[0][0].z, inversew ); |
292 | 292 | ||
293 | // DOT 3 Normal Map light in tangent space | 293 | // DOT 3 Normal Map light in tangent space |
294 | ndotl = saturateFix ( FIX_POINT_HALF_COLOR + (( imulFix ( r1, lx ) + imulFix ( g1, ly ) + imulFix ( b1, lz ) ) << (COLOR_MAX_LOG2-1)) ); | 294 | ndotl = saturateFix ( FIX_POINT_HALF_COLOR + (( imulFix ( r1, lx ) + imulFix ( g1, ly ) + imulFix ( b1, lz ) ) << (COLOR_MAX_LOG2-1)) ); |
295 | 295 | ||
296 | #ifdef IPOL_C0 | 296 | #ifdef IPOL_C0 |
297 | 297 | ||
298 | // N . L | 298 | // N . L |
299 | r2 = imulFix ( imulFix_tex1 ( r0, ndotl ), r3 ); | 299 | r2 = imulFix ( imulFix_tex1 ( r0, ndotl ), r3 ); |
300 | g2 = imulFix ( imulFix_tex1 ( g0, ndotl ), g3 ); | 300 | g2 = imulFix ( imulFix_tex1 ( g0, ndotl ), g3 ); |
301 | b2 = imulFix ( imulFix_tex1 ( b0, ndotl ), b3 ); | 301 | b2 = imulFix ( imulFix_tex1 ( b0, ndotl ), b3 ); |
302 | 302 | ||
303 | /* | 303 | /* |
304 | // heightmap: (1 - neu ) + alt - 0.5, on_minus_srcalpha + add signed | 304 | // heightmap: (1 - neu ) + alt - 0.5, on_minus_srcalpha + add signed |
305 | // emboss bump map | 305 | // emboss bump map |
306 | a4 -= a1; | 306 | a4 -= a1; |
307 | r2 = clampfix_maxcolor ( clampfix_mincolor ( imulFix ( r0 + a4, r3 ) ) ); | 307 | r2 = clampfix_maxcolor ( clampfix_mincolor ( imulFix ( r0 + a4, r3 ) ) ); |
308 | g2 = clampfix_maxcolor ( clampfix_mincolor ( imulFix ( g0 + a4, g3 ) ) ); | 308 | g2 = clampfix_maxcolor ( clampfix_mincolor ( imulFix ( g0 + a4, g3 ) ) ); |
309 | b2 = clampfix_maxcolor ( clampfix_mincolor ( imulFix ( b0 + a4, b3 ) ) ); | 309 | b2 = clampfix_maxcolor ( clampfix_mincolor ( imulFix ( b0 + a4, b3 ) ) ); |
310 | */ | 310 | */ |
311 | 311 | ||
312 | /* | 312 | /* |
313 | r2 = clampfix_maxcolor ( imulFix_tex1 ( r2, r1 ) ); | 313 | r2 = clampfix_maxcolor ( imulFix_tex1 ( r2, r1 ) ); |
314 | g2 = clampfix_maxcolor ( imulFix_tex1 ( g2, g1 ) ); | 314 | g2 = clampfix_maxcolor ( imulFix_tex1 ( g2, g1 ) ); |
315 | b2 = clampfix_maxcolor ( imulFix_tex1 ( b2, b1 ) ); | 315 | b2 = clampfix_maxcolor ( imulFix_tex1 ( b2, b1 ) ); |
316 | */ | 316 | */ |
317 | #else | 317 | #else |
318 | r2 = clampfix_maxcolor ( imulFix_tex4 ( r0, r1 ) ); | 318 | r2 = clampfix_maxcolor ( imulFix_tex4 ( r0, r1 ) ); |
319 | g2 = clampfix_maxcolor ( imulFix_tex4 ( g0, g1 ) ); | 319 | g2 = clampfix_maxcolor ( imulFix_tex4 ( g0, g1 ) ); |
320 | b2 = clampfix_maxcolor ( imulFix_tex4 ( b0, b1 ) ); | 320 | b2 = clampfix_maxcolor ( imulFix_tex4 ( b0, b1 ) ); |
321 | #endif | 321 | #endif |
322 | 322 | ||
323 | 323 | ||
324 | dst[i] = fix_to_color ( r2, g2, b2 ); | 324 | dst[i] = fix_to_color ( r2, g2, b2 ); |
325 | 325 | ||
326 | #ifdef WRITE_Z | 326 | #ifdef WRITE_Z |
327 | z[i] = line.z[0]; | 327 | z[i] = line.z[0]; |
328 | #endif | 328 | #endif |
329 | #ifdef WRITE_W | 329 | #ifdef WRITE_W |
330 | z[i] = line.w[0]; | 330 | z[i] = line.w[0]; |
331 | #endif | 331 | #endif |
332 | } | 332 | } |
333 | 333 | ||
334 | #ifdef IPOL_Z | 334 | #ifdef IPOL_Z |
335 | line.z[0] += slopeZ; | 335 | line.z[0] += slopeZ; |
336 | #endif | 336 | #endif |
337 | #ifdef IPOL_W | 337 | #ifdef IPOL_W |
338 | line.w[0] += slopeW; | 338 | line.w[0] += slopeW; |
339 | #endif | 339 | #endif |
340 | #ifdef IPOL_C0 | 340 | #ifdef IPOL_C0 |
341 | line.c[0][0] += slopeC[0]; | 341 | line.c[0][0] += slopeC[0]; |
342 | #endif | 342 | #endif |
343 | #ifdef IPOL_T0 | 343 | #ifdef IPOL_T0 |
344 | line.t[0][0] += slopeT[0]; | 344 | line.t[0][0] += slopeT[0]; |
345 | #endif | 345 | #endif |
346 | #ifdef IPOL_T1 | 346 | #ifdef IPOL_T1 |
347 | line.t[1][0] += slopeT[1]; | 347 | line.t[1][0] += slopeT[1]; |
348 | #endif | 348 | #endif |
349 | #ifdef IPOL_T2 | 349 | #ifdef IPOL_T2 |
350 | line.t[2][0] += slopeT[2]; | 350 | line.t[2][0] += slopeT[2]; |
351 | #endif | 351 | #endif |
352 | #ifdef IPOL_L0 | 352 | #ifdef IPOL_L0 |
353 | line.l[0][0] += slopeL[0]; | 353 | line.l[0][0] += slopeL[0]; |
354 | #endif | 354 | #endif |
355 | } | 355 | } |
356 | 356 | ||
357 | } | 357 | } |
358 | 358 | ||
359 | void CTRNormalMap::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ) | 359 | void CTRNormalMap::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c ) |
360 | { | 360 | { |
361 | // sort on height, y | 361 | // sort on height, y |
362 | if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); | 362 | if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); |
363 | if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c); | 363 | if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c); |
364 | if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); | 364 | if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b); |
365 | 365 | ||
366 | const f32 ca = c->Pos.y - a->Pos.y; | 366 | const f32 ca = c->Pos.y - a->Pos.y; |
367 | const f32 ba = b->Pos.y - a->Pos.y; | 367 | const f32 ba = b->Pos.y - a->Pos.y; |
368 | const f32 cb = c->Pos.y - b->Pos.y; | 368 | const f32 cb = c->Pos.y - b->Pos.y; |
369 | // calculate delta y of the edges | 369 | // calculate delta y of the edges |
370 | scan.invDeltaY[0] = core::reciprocal( ca ); | 370 | scan.invDeltaY[0] = core::reciprocal( ca ); |
371 | scan.invDeltaY[1] = core::reciprocal( ba ); | 371 | scan.invDeltaY[1] = core::reciprocal( ba ); |
372 | scan.invDeltaY[2] = core::reciprocal( cb ); | 372 | scan.invDeltaY[2] = core::reciprocal( cb ); |
373 | 373 | ||
374 | if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) ) | 374 | if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) ) |
375 | return; | 375 | return; |
376 | 376 | ||
377 | // find if the major edge is left or right aligned | 377 | // find if the major edge is left or right aligned |
378 | f32 temp[4]; | 378 | f32 temp[4]; |
379 | 379 | ||
380 | temp[0] = a->Pos.x - c->Pos.x; | 380 | temp[0] = a->Pos.x - c->Pos.x; |
381 | temp[1] = -ca; | 381 | temp[1] = -ca; |
382 | temp[2] = b->Pos.x - a->Pos.x; | 382 | temp[2] = b->Pos.x - a->Pos.x; |
383 | temp[3] = ba; | 383 | temp[3] = ba; |
384 | 384 | ||
385 | scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1; | 385 | scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1; |
386 | scan.right = 1 - scan.left; | 386 | scan.right = 1 - scan.left; |
387 | 387 | ||
388 | // calculate slopes for the major edge | 388 | // calculate slopes for the major edge |
389 | scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0]; | 389 | scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0]; |
390 | scan.x[0] = a->Pos.x; | 390 | scan.x[0] = a->Pos.x; |
391 | 391 | ||
392 | #ifdef IPOL_Z | 392 | #ifdef IPOL_Z |
393 | scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0]; | 393 | scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0]; |
394 | scan.z[0] = a->Pos.z; | 394 | scan.z[0] = a->Pos.z; |
395 | #endif | 395 | #endif |
396 | 396 | ||
397 | #ifdef IPOL_W | 397 | #ifdef IPOL_W |
398 | scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0]; | 398 | scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0]; |
399 | scan.w[0] = a->Pos.w; | 399 | scan.w[0] = a->Pos.w; |
400 | #endif | 400 | #endif |
401 | 401 | ||
402 | #ifdef IPOL_C0 | 402 | #ifdef IPOL_C0 |
403 | scan.slopeC[0][0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0]; | 403 | scan.slopeC[0][0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0]; |
404 | scan.c[0][0] = a->Color[0]; | 404 | scan.c[0][0] = a->Color[0]; |
405 | #endif | 405 | #endif |
406 | 406 | ||
407 | #ifdef IPOL_T0 | 407 | #ifdef IPOL_T0 |
408 | scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0]; | 408 | scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0]; |
409 | scan.t[0][0] = a->Tex[0]; | 409 | scan.t[0][0] = a->Tex[0]; |
410 | #endif | 410 | #endif |
411 | 411 | ||
412 | #ifdef IPOL_T1 | 412 | #ifdef IPOL_T1 |
413 | scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0]; | 413 | scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0]; |
414 | scan.t[1][0] = a->Tex[1]; | 414 | scan.t[1][0] = a->Tex[1]; |
415 | #endif | 415 | #endif |
416 | 416 | ||
417 | #ifdef IPOL_T2 | 417 | #ifdef IPOL_T2 |
418 | scan.slopeT[2][0] = (c->Tex[2] - a->Tex[2]) * scan.invDeltaY[0]; | 418 | scan.slopeT[2][0] = (c->Tex[2] - a->Tex[2]) * scan.invDeltaY[0]; |
419 | scan.t[2][0] = a->Tex[2]; | 419 | scan.t[2][0] = a->Tex[2]; |
420 | #endif | 420 | #endif |
421 | 421 | ||
422 | #ifdef IPOL_L0 | 422 | #ifdef IPOL_L0 |
423 | scan.slopeL[0][0] = (c->LightTangent[0] - a->LightTangent[0]) * scan.invDeltaY[0]; | 423 | scan.slopeL[0][0] = (c->LightTangent[0] - a->LightTangent[0]) * scan.invDeltaY[0]; |
424 | scan.l[0][0] = a->LightTangent[0]; | 424 | scan.l[0][0] = a->LightTangent[0]; |
425 | #endif | 425 | #endif |
426 | 426 | ||
427 | // top left fill convention y run | 427 | // top left fill convention y run |
428 | s32 yStart; | 428 | s32 yStart; |
429 | s32 yEnd; | 429 | s32 yEnd; |
430 | 430 | ||
431 | #ifdef SUBTEXEL | 431 | #ifdef SUBTEXEL |
432 | f32 subPixel; | 432 | f32 subPixel; |
433 | #endif | 433 | #endif |
434 | 434 | ||
435 | 435 | ||
436 | // rasterize upper sub-triangle | 436 | // rasterize upper sub-triangle |
437 | //if ( (f32) 0.0 != scan.invDeltaY[1] ) | 437 | //if ( (f32) 0.0 != scan.invDeltaY[1] ) |
438 | if ( F32_GREATER_0 ( scan.invDeltaY[1] ) ) | 438 | if ( F32_GREATER_0 ( scan.invDeltaY[1] ) ) |
439 | { | 439 | { |
440 | // calculate slopes for top edge | 440 | // calculate slopes for top edge |
441 | scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1]; | 441 | scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1]; |
442 | scan.x[1] = a->Pos.x; | 442 | scan.x[1] = a->Pos.x; |
443 | 443 | ||
444 | #ifdef IPOL_Z | 444 | #ifdef IPOL_Z |
445 | scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1]; | 445 | scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1]; |
446 | scan.z[1] = a->Pos.z; | 446 | scan.z[1] = a->Pos.z; |
447 | #endif | 447 | #endif |
448 | 448 | ||
449 | #ifdef IPOL_W | 449 | #ifdef IPOL_W |
450 | scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1]; | 450 | scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1]; |
451 | scan.w[1] = a->Pos.w; | 451 | scan.w[1] = a->Pos.w; |
452 | #endif | 452 | #endif |
453 | 453 | ||
454 | #ifdef IPOL_C0 | 454 | #ifdef IPOL_C0 |
455 | scan.slopeC[0][1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1]; | 455 | scan.slopeC[0][1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1]; |
456 | scan.c[0][1] = a->Color[0]; | 456 | scan.c[0][1] = a->Color[0]; |
457 | #endif | 457 | #endif |
458 | 458 | ||
459 | #ifdef IPOL_T0 | 459 | #ifdef IPOL_T0 |
460 | scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1]; | 460 | scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1]; |
461 | scan.t[0][1] = a->Tex[0]; | 461 | scan.t[0][1] = a->Tex[0]; |
462 | #endif | 462 | #endif |
463 | 463 | ||
464 | #ifdef IPOL_T1 | 464 | #ifdef IPOL_T1 |
465 | scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1]; | 465 | scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1]; |
466 | scan.t[1][1] = a->Tex[1]; | 466 | scan.t[1][1] = a->Tex[1]; |
467 | #endif | 467 | #endif |
468 | 468 | ||
469 | #ifdef IPOL_T2 | 469 | #ifdef IPOL_T2 |
470 | scan.slopeT[2][1] = (b->Tex[2] - a->Tex[2]) * scan.invDeltaY[1]; | 470 | scan.slopeT[2][1] = (b->Tex[2] - a->Tex[2]) * scan.invDeltaY[1]; |
471 | scan.t[2][1] = a->Tex[2]; | 471 | scan.t[2][1] = a->Tex[2]; |
472 | #endif | 472 | #endif |
473 | 473 | ||
474 | #ifdef IPOL_L0 | 474 | #ifdef IPOL_L0 |
475 | scan.slopeL[0][1] = (b->LightTangent[0] - a->LightTangent[0]) * scan.invDeltaY[1]; | 475 | scan.slopeL[0][1] = (b->LightTangent[0] - a->LightTangent[0]) * scan.invDeltaY[1]; |
476 | scan.l[0][1] = a->LightTangent[0]; | 476 | scan.l[0][1] = a->LightTangent[0]; |
477 | #endif | 477 | #endif |
478 | 478 | ||
479 | // apply top-left fill convention, top part | 479 | // apply top-left fill convention, top part |
480 | yStart = core::ceil32( a->Pos.y ); | 480 | yStart = core::ceil32( a->Pos.y ); |
481 | yEnd = core::ceil32( b->Pos.y ) - 1; | 481 | yEnd = core::ceil32( b->Pos.y ) - 1; |
482 | 482 | ||
483 | #ifdef SUBTEXEL | 483 | #ifdef SUBTEXEL |
484 | subPixel = ( (f32) yStart ) - a->Pos.y; | 484 | subPixel = ( (f32) yStart ) - a->Pos.y; |
485 | 485 | ||
486 | // correct to pixel center | 486 | // correct to pixel center |
487 | scan.x[0] += scan.slopeX[0] * subPixel; | 487 | scan.x[0] += scan.slopeX[0] * subPixel; |
488 | scan.x[1] += scan.slopeX[1] * subPixel; | 488 | scan.x[1] += scan.slopeX[1] * subPixel; |
489 | 489 | ||
490 | #ifdef IPOL_Z | 490 | #ifdef IPOL_Z |
491 | scan.z[0] += scan.slopeZ[0] * subPixel; | 491 | scan.z[0] += scan.slopeZ[0] * subPixel; |
492 | scan.z[1] += scan.slopeZ[1] * subPixel; | 492 | scan.z[1] += scan.slopeZ[1] * subPixel; |
493 | #endif | 493 | #endif |
494 | 494 | ||
495 | #ifdef IPOL_W | 495 | #ifdef IPOL_W |
496 | scan.w[0] += scan.slopeW[0] * subPixel; | 496 | scan.w[0] += scan.slopeW[0] * subPixel; |
497 | scan.w[1] += scan.slopeW[1] * subPixel; | 497 | scan.w[1] += scan.slopeW[1] * subPixel; |
498 | #endif | 498 | #endif |
499 | 499 | ||
500 | #ifdef IPOL_C0 | 500 | #ifdef IPOL_C0 |
501 | scan.c[0][0] += scan.slopeC[0][0] * subPixel; | 501 | scan.c[0][0] += scan.slopeC[0][0] * subPixel; |
502 | scan.c[0][1] += scan.slopeC[0][1] * subPixel; | 502 | scan.c[0][1] += scan.slopeC[0][1] * subPixel; |
503 | #endif | 503 | #endif |
504 | 504 | ||
505 | #ifdef IPOL_T0 | 505 | #ifdef IPOL_T0 |
506 | scan.t[0][0] += scan.slopeT[0][0] * subPixel; | 506 | scan.t[0][0] += scan.slopeT[0][0] * subPixel; |
507 | scan.t[0][1] += scan.slopeT[0][1] * subPixel; | 507 | scan.t[0][1] += scan.slopeT[0][1] * subPixel; |
508 | #endif | 508 | #endif |
509 | 509 | ||
510 | #ifdef IPOL_T1 | 510 | #ifdef IPOL_T1 |
511 | scan.t[1][0] += scan.slopeT[1][0] * subPixel; | 511 | scan.t[1][0] += scan.slopeT[1][0] * subPixel; |
512 | scan.t[1][1] += scan.slopeT[1][1] * subPixel; | 512 | scan.t[1][1] += scan.slopeT[1][1] * subPixel; |
513 | #endif | 513 | #endif |
514 | 514 | ||
515 | #ifdef IPOL_T2 | 515 | #ifdef IPOL_T2 |
516 | scan.t[2][0] += scan.slopeT[2][0] * subPixel; | 516 | scan.t[2][0] += scan.slopeT[2][0] * subPixel; |
517 | scan.t[2][1] += scan.slopeT[2][1] * subPixel; | 517 | scan.t[2][1] += scan.slopeT[2][1] * subPixel; |
518 | #endif | 518 | #endif |
519 | 519 | ||
520 | #ifdef IPOL_L0 | 520 | #ifdef IPOL_L0 |
521 | scan.l[0][0] += scan.slopeL[0][0] * subPixel; | 521 | scan.l[0][0] += scan.slopeL[0][0] * subPixel; |
522 | scan.l[0][1] += scan.slopeL[0][1] * subPixel; | 522 | scan.l[0][1] += scan.slopeL[0][1] * subPixel; |
523 | #endif | 523 | #endif |
524 | 524 | ||
525 | #endif | 525 | #endif |
526 | 526 | ||
527 | // rasterize the edge scanlines | 527 | // rasterize the edge scanlines |
528 | for( line.y = yStart; line.y <= yEnd; ++line.y) | 528 | for( line.y = yStart; line.y <= yEnd; ++line.y) |
529 | { | 529 | { |
530 | line.x[scan.left] = scan.x[0]; | 530 | line.x[scan.left] = scan.x[0]; |
531 | line.x[scan.right] = scan.x[1]; | 531 | line.x[scan.right] = scan.x[1]; |
532 | 532 | ||
533 | #ifdef IPOL_Z | 533 | #ifdef IPOL_Z |
534 | line.z[scan.left] = scan.z[0]; | 534 | line.z[scan.left] = scan.z[0]; |
535 | line.z[scan.right] = scan.z[1]; | 535 | line.z[scan.right] = scan.z[1]; |
536 | #endif | 536 | #endif |
537 | 537 | ||
538 | #ifdef IPOL_W | 538 | #ifdef IPOL_W |
539 | line.w[scan.left] = scan.w[0]; | 539 | line.w[scan.left] = scan.w[0]; |
540 | line.w[scan.right] = scan.w[1]; | 540 | line.w[scan.right] = scan.w[1]; |
541 | #endif | 541 | #endif |
542 | 542 | ||
543 | #ifdef IPOL_C0 | 543 | #ifdef IPOL_C0 |
544 | line.c[0][scan.left] = scan.c[0][0]; | 544 | line.c[0][scan.left] = scan.c[0][0]; |
545 | line.c[0][scan.right] = scan.c[0][1]; | 545 | line.c[0][scan.right] = scan.c[0][1]; |
546 | #endif | 546 | #endif |
547 | 547 | ||
548 | #ifdef IPOL_T0 | 548 | #ifdef IPOL_T0 |
549 | line.t[0][scan.left] = scan.t[0][0]; | 549 | line.t[0][scan.left] = scan.t[0][0]; |
550 | line.t[0][scan.right] = scan.t[0][1]; | 550 | line.t[0][scan.right] = scan.t[0][1]; |
551 | #endif | 551 | #endif |
552 | 552 | ||
553 | #ifdef IPOL_T1 | 553 | #ifdef IPOL_T1 |
554 | line.t[1][scan.left] = scan.t[1][0]; | 554 | line.t[1][scan.left] = scan.t[1][0]; |
555 | line.t[1][scan.right] = scan.t[1][1]; | 555 | line.t[1][scan.right] = scan.t[1][1]; |
556 | #endif | 556 | #endif |
557 | 557 | ||
558 | #ifdef IPOL_T2 | 558 | #ifdef IPOL_T2 |
559 | line.t[2][scan.left] = scan.t[2][0]; | 559 | line.t[2][scan.left] = scan.t[2][0]; |
560 | line.t[2][scan.right] = scan.t[2][1]; | 560 | line.t[2][scan.right] = scan.t[2][1]; |
561 | #endif | 561 | #endif |
562 | 562 | ||
563 | #ifdef IPOL_L0 | 563 | #ifdef IPOL_L0 |
564 | line.l[0][scan.left] = scan.l[0][0]; | 564 | line.l[0][scan.left] = scan.l[0][0]; |
565 | line.l[0][scan.right] = scan.l[0][1]; | 565 | line.l[0][scan.right] = scan.l[0][1]; |
566 | #endif | 566 | #endif |
567 | 567 | ||
568 | // render a scanline | 568 | // render a scanline |
569 | scanline_bilinear (); | 569 | scanline_bilinear (); |
570 | 570 | ||
571 | scan.x[0] += scan.slopeX[0]; | 571 | scan.x[0] += scan.slopeX[0]; |
572 | scan.x[1] += scan.slopeX[1]; | 572 | scan.x[1] += scan.slopeX[1]; |
573 | 573 | ||
574 | #ifdef IPOL_Z | 574 | #ifdef IPOL_Z |
575 | scan.z[0] += scan.slopeZ[0]; | 575 | scan.z[0] += scan.slopeZ[0]; |
576 | scan.z[1] += scan.slopeZ[1]; | 576 | scan.z[1] += scan.slopeZ[1]; |
577 | #endif | 577 | #endif |
578 | 578 | ||
579 | #ifdef IPOL_W | 579 | #ifdef IPOL_W |
580 | scan.w[0] += scan.slopeW[0]; | 580 | scan.w[0] += scan.slopeW[0]; |
581 | scan.w[1] += scan.slopeW[1]; | 581 | scan.w[1] += scan.slopeW[1]; |
582 | #endif | 582 | #endif |
583 | 583 | ||
584 | #ifdef IPOL_C0 | 584 | #ifdef IPOL_C0 |
585 | scan.c[0][0] += scan.slopeC[0][0]; | 585 | scan.c[0][0] += scan.slopeC[0][0]; |
586 | scan.c[0][1] += scan.slopeC[0][1]; | 586 | scan.c[0][1] += scan.slopeC[0][1]; |
587 | #endif | 587 | #endif |
588 | 588 | ||
589 | #ifdef IPOL_T0 | 589 | #ifdef IPOL_T0 |
590 | scan.t[0][0] += scan.slopeT[0][0]; | 590 | scan.t[0][0] += scan.slopeT[0][0]; |
591 | scan.t[0][1] += scan.slopeT[0][1]; | 591 | scan.t[0][1] += scan.slopeT[0][1]; |
592 | #endif | 592 | #endif |
593 | 593 | ||
594 | #ifdef IPOL_T1 | 594 | #ifdef IPOL_T1 |
595 | scan.t[1][0] += scan.slopeT[1][0]; | 595 | scan.t[1][0] += scan.slopeT[1][0]; |
596 | scan.t[1][1] += scan.slopeT[1][1]; | 596 | scan.t[1][1] += scan.slopeT[1][1]; |
597 | #endif | 597 | #endif |
598 | 598 | ||
599 | #ifdef IPOL_T2 | 599 | #ifdef IPOL_T2 |
600 | scan.t[2][0] += scan.slopeT[2][0]; | 600 | scan.t[2][0] += scan.slopeT[2][0]; |
601 | scan.t[2][1] += scan.slopeT[2][1]; | 601 | scan.t[2][1] += scan.slopeT[2][1]; |
602 | #endif | 602 | #endif |
603 | 603 | ||
604 | #ifdef IPOL_L0 | 604 | #ifdef IPOL_L0 |
605 | scan.l[0][0] += scan.slopeL[0][0]; | 605 | scan.l[0][0] += scan.slopeL[0][0]; |
606 | scan.l[0][1] += scan.slopeL[0][1]; | 606 | scan.l[0][1] += scan.slopeL[0][1]; |
607 | #endif | 607 | #endif |
608 | 608 | ||
609 | } | 609 | } |
610 | } | 610 | } |
611 | 611 | ||
612 | // rasterize lower sub-triangle | 612 | // rasterize lower sub-triangle |
613 | //if ( (f32) 0.0 != scan.invDeltaY[2] ) | 613 | //if ( (f32) 0.0 != scan.invDeltaY[2] ) |
614 | if ( F32_GREATER_0 ( scan.invDeltaY[2] ) ) | 614 | if ( F32_GREATER_0 ( scan.invDeltaY[2] ) ) |
615 | { | 615 | { |
616 | // advance to middle point | 616 | // advance to middle point |
617 | //if( (f32) 0.0 != scan.invDeltaY[1] ) | 617 | //if( (f32) 0.0 != scan.invDeltaY[1] ) |
618 | if ( F32_GREATER_0 ( scan.invDeltaY[1] ) ) | 618 | if ( F32_GREATER_0 ( scan.invDeltaY[1] ) ) |
619 | { | 619 | { |
620 | temp[0] = b->Pos.y - a->Pos.y; // dy | 620 | temp[0] = b->Pos.y - a->Pos.y; // dy |
621 | 621 | ||
622 | scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0]; | 622 | scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0]; |
623 | #ifdef IPOL_Z | 623 | #ifdef IPOL_Z |
624 | scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0]; | 624 | scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0]; |
625 | #endif | 625 | #endif |
626 | #ifdef IPOL_W | 626 | #ifdef IPOL_W |
627 | scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0]; | 627 | scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0]; |
628 | #endif | 628 | #endif |
629 | #ifdef IPOL_C0 | 629 | #ifdef IPOL_C0 |
630 | scan.c[0][0] = a->Color[0] + scan.slopeC[0][0] * temp[0]; | 630 | scan.c[0][0] = a->Color[0] + scan.slopeC[0][0] * temp[0]; |
631 | #endif | 631 | #endif |
632 | #ifdef IPOL_T0 | 632 | #ifdef IPOL_T0 |
633 | scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0]; | 633 | scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0]; |
634 | #endif | 634 | #endif |
635 | #ifdef IPOL_T1 | 635 | #ifdef IPOL_T1 |
636 | scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0]; | 636 | scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0]; |
637 | #endif | 637 | #endif |
638 | #ifdef IPOL_T2 | 638 | #ifdef IPOL_T2 |
639 | scan.t[2][0] = a->Tex[2] + scan.slopeT[2][0] * temp[0]; | 639 | scan.t[2][0] = a->Tex[2] + scan.slopeT[2][0] * temp[0]; |
640 | #endif | 640 | #endif |
641 | #ifdef IPOL_L0 | 641 | #ifdef IPOL_L0 |
642 | scan.l[0][0] = a->LightTangent[0] + scan.slopeL[0][0] * temp[0]; | 642 | scan.l[0][0] = a->LightTangent[0] + scan.slopeL[0][0] * temp[0]; |
643 | #endif | 643 | #endif |
644 | 644 | ||
645 | } | 645 | } |
646 | 646 | ||
647 | // calculate slopes for bottom edge | 647 | // calculate slopes for bottom edge |
648 | scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2]; | 648 | scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2]; |
649 | scan.x[1] = b->Pos.x; | 649 | scan.x[1] = b->Pos.x; |
650 | 650 | ||
651 | #ifdef IPOL_Z | 651 | #ifdef IPOL_Z |
652 | scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2]; | 652 | scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2]; |
653 | scan.z[1] = b->Pos.z; | 653 | scan.z[1] = b->Pos.z; |
654 | #endif | 654 | #endif |
655 | 655 | ||
656 | #ifdef IPOL_W | 656 | #ifdef IPOL_W |
657 | scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2]; | 657 | scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2]; |
658 | scan.w[1] = b->Pos.w; | 658 | scan.w[1] = b->Pos.w; |
659 | #endif | 659 | #endif |
660 | 660 | ||
661 | #ifdef IPOL_C0 | 661 | #ifdef IPOL_C0 |
662 | scan.slopeC[0][1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2]; | 662 | scan.slopeC[0][1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2]; |
663 | scan.c[0][1] = b->Color[0]; | 663 | scan.c[0][1] = b->Color[0]; |
664 | #endif | 664 | #endif |
665 | 665 | ||
666 | #ifdef IPOL_T0 | 666 | #ifdef IPOL_T0 |
667 | scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2]; | 667 | scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2]; |
668 | scan.t[0][1] = b->Tex[0]; | 668 | scan.t[0][1] = b->Tex[0]; |
669 | #endif | 669 | #endif |
670 | 670 | ||
671 | #ifdef IPOL_T1 | 671 | #ifdef IPOL_T1 |
672 | scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2]; | 672 | scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2]; |
673 | scan.t[1][1] = b->Tex[1]; | 673 | scan.t[1][1] = b->Tex[1]; |
674 | #endif | 674 | #endif |
675 | 675 | ||
676 | #ifdef IPOL_T2 | 676 | #ifdef IPOL_T2 |
677 | scan.slopeT[2][1] = (c->Tex[2] - b->Tex[2]) * scan.invDeltaY[2]; | 677 | scan.slopeT[2][1] = (c->Tex[2] - b->Tex[2]) * scan.invDeltaY[2]; |
678 | scan.t[2][1] = b->Tex[2]; | 678 | scan.t[2][1] = b->Tex[2]; |
679 | #endif | 679 | #endif |
680 | 680 | ||
681 | #ifdef IPOL_L0 | 681 | #ifdef IPOL_L0 |
682 | scan.slopeL[0][1] = (c->LightTangent[0] - b->LightTangent[0]) * scan.invDeltaY[2]; | 682 | scan.slopeL[0][1] = (c->LightTangent[0] - b->LightTangent[0]) * scan.invDeltaY[2]; |
683 | scan.l[0][1] = b->LightTangent[0]; | 683 | scan.l[0][1] = b->LightTangent[0]; |
684 | #endif | 684 | #endif |
685 | 685 | ||
686 | // apply top-left fill convention, top part | 686 | // apply top-left fill convention, top part |
687 | yStart = core::ceil32( b->Pos.y ); | 687 | yStart = core::ceil32( b->Pos.y ); |
688 | yEnd = core::ceil32( c->Pos.y ) - 1; | 688 | yEnd = core::ceil32( c->Pos.y ) - 1; |
689 | 689 | ||
690 | #ifdef SUBTEXEL | 690 | #ifdef SUBTEXEL |
691 | 691 | ||
692 | subPixel = ( (f32) yStart ) - b->Pos.y; | 692 | subPixel = ( (f32) yStart ) - b->Pos.y; |
693 | 693 | ||
694 | // correct to pixel center | 694 | // correct to pixel center |
695 | scan.x[0] += scan.slopeX[0] * subPixel; | 695 | scan.x[0] += scan.slopeX[0] * subPixel; |
696 | scan.x[1] += scan.slopeX[1] * subPixel; | 696 | scan.x[1] += scan.slopeX[1] * subPixel; |
697 | 697 | ||
698 | #ifdef IPOL_Z | 698 | #ifdef IPOL_Z |
699 | scan.z[0] += scan.slopeZ[0] * subPixel; | 699 | scan.z[0] += scan.slopeZ[0] * subPixel; |
700 | scan.z[1] += scan.slopeZ[1] * subPixel; | 700 | scan.z[1] += scan.slopeZ[1] * subPixel; |
701 | #endif | 701 | #endif |
702 | 702 | ||
703 | #ifdef IPOL_W | 703 | #ifdef IPOL_W |
704 | scan.w[0] += scan.slopeW[0] * subPixel; | 704 | scan.w[0] += scan.slopeW[0] * subPixel; |
705 | scan.w[1] += scan.slopeW[1] * subPixel; | 705 | scan.w[1] += scan.slopeW[1] * subPixel; |
706 | #endif | 706 | #endif |
707 | 707 | ||
708 | #ifdef IPOL_C0 | 708 | #ifdef IPOL_C0 |
709 | scan.c[0][0] += scan.slopeC[0][0] * subPixel; | 709 | scan.c[0][0] += scan.slopeC[0][0] * subPixel; |
710 | scan.c[0][1] += scan.slopeC[0][1] * subPixel; | 710 | scan.c[0][1] += scan.slopeC[0][1] * subPixel; |
711 | #endif | 711 | #endif |
712 | 712 | ||
713 | #ifdef IPOL_T0 | 713 | #ifdef IPOL_T0 |
714 | scan.t[0][0] += scan.slopeT[0][0] * subPixel; | 714 | scan.t[0][0] += scan.slopeT[0][0] * subPixel; |
715 | scan.t[0][1] += scan.slopeT[0][1] * subPixel; | 715 | scan.t[0][1] += scan.slopeT[0][1] * subPixel; |
716 | #endif | 716 | #endif |
717 | 717 | ||
718 | #ifdef IPOL_T1 | 718 | #ifdef IPOL_T1 |
719 | scan.t[1][0] += scan.slopeT[1][0] * subPixel; | 719 | scan.t[1][0] += scan.slopeT[1][0] * subPixel; |
720 | scan.t[1][1] += scan.slopeT[1][1] * subPixel; | 720 | scan.t[1][1] += scan.slopeT[1][1] * subPixel; |
721 | #endif | 721 | #endif |
722 | 722 | ||
723 | #ifdef IPOL_T2 | 723 | #ifdef IPOL_T2 |
724 | scan.t[2][0] += scan.slopeT[2][0] * subPixel; | 724 | scan.t[2][0] += scan.slopeT[2][0] * subPixel; |
725 | scan.t[2][1] += scan.slopeT[2][1] * subPixel; | 725 | scan.t[2][1] += scan.slopeT[2][1] * subPixel; |
726 | #endif | 726 | #endif |
727 | 727 | ||
728 | #ifdef IPOL_L0 | 728 | #ifdef IPOL_L0 |
729 | scan.l[0][0] += scan.slopeL[0][0] * subPixel; | 729 | scan.l[0][0] += scan.slopeL[0][0] * subPixel; |
730 | scan.l[0][1] += scan.slopeL[0][1] * subPixel; | 730 | scan.l[0][1] += scan.slopeL[0][1] * subPixel; |
731 | #endif | 731 | #endif |
732 | 732 | ||
733 | #endif | 733 | #endif |
734 | 734 | ||
735 | // rasterize the edge scanlines | 735 | // rasterize the edge scanlines |
736 | for( line.y = yStart; line.y <= yEnd; ++line.y) | 736 | for( line.y = yStart; line.y <= yEnd; ++line.y) |
737 | { | 737 | { |
738 | line.x[scan.left] = scan.x[0]; | 738 | line.x[scan.left] = scan.x[0]; |
739 | line.x[scan.right] = scan.x[1]; | 739 | line.x[scan.right] = scan.x[1]; |
740 | 740 | ||
741 | #ifdef IPOL_Z | 741 | #ifdef IPOL_Z |
742 | line.z[scan.left] = scan.z[0]; | 742 | line.z[scan.left] = scan.z[0]; |
743 | line.z[scan.right] = scan.z[1]; | 743 | line.z[scan.right] = scan.z[1]; |
744 | #endif | 744 | #endif |
745 | 745 | ||
746 | #ifdef IPOL_W | 746 | #ifdef IPOL_W |
747 | line.w[scan.left] = scan.w[0]; | 747 | line.w[scan.left] = scan.w[0]; |
748 | line.w[scan.right] = scan.w[1]; | 748 | line.w[scan.right] = scan.w[1]; |
749 | #endif | 749 | #endif |
750 | 750 | ||
751 | #ifdef IPOL_C0 | 751 | #ifdef IPOL_C0 |
752 | line.c[0][scan.left] = scan.c[0][0]; | 752 | line.c[0][scan.left] = scan.c[0][0]; |
753 | line.c[0][scan.right] = scan.c[0][1]; | 753 | line.c[0][scan.right] = scan.c[0][1]; |
754 | #endif | 754 | #endif |
755 | 755 | ||
756 | #ifdef IPOL_T0 | 756 | #ifdef IPOL_T0 |
757 | line.t[0][scan.left] = scan.t[0][0]; | 757 | line.t[0][scan.left] = scan.t[0][0]; |
758 | line.t[0][scan.right] = scan.t[0][1]; | 758 | line.t[0][scan.right] = scan.t[0][1]; |
759 | #endif | 759 | #endif |
760 | 760 | ||
761 | #ifdef IPOL_T1 | 761 | #ifdef IPOL_T1 |
762 | line.t[1][scan.left] = scan.t[1][0]; | 762 | line.t[1][scan.left] = scan.t[1][0]; |
763 | line.t[1][scan.right] = scan.t[1][1]; | 763 | line.t[1][scan.right] = scan.t[1][1]; |
764 | #endif | 764 | #endif |
765 | 765 | ||
766 | #ifdef IPOL_T2 | 766 | #ifdef IPOL_T2 |
767 | line.t[2][scan.left] = scan.t[2][0]; | 767 | line.t[2][scan.left] = scan.t[2][0]; |
768 | line.t[2][scan.right] = scan.t[2][1]; | 768 | line.t[2][scan.right] = scan.t[2][1]; |
769 | #endif | 769 | #endif |
770 | 770 | ||
771 | #ifdef IPOL_L0 | 771 | #ifdef IPOL_L0 |
772 | line.l[0][scan.left] = scan.l[0][0]; | 772 | line.l[0][scan.left] = scan.l[0][0]; |
773 | line.l[0][scan.right] = scan.l[0][1]; | 773 | line.l[0][scan.right] = scan.l[0][1]; |
774 | #endif | 774 | #endif |
775 | 775 | ||
776 | // render a scanline | 776 | // render a scanline |
777 | scanline_bilinear (); | 777 | scanline_bilinear (); |
778 | 778 | ||
779 | scan.x[0] += scan.slopeX[0]; | 779 | scan.x[0] += scan.slopeX[0]; |
780 | scan.x[1] += scan.slopeX[1]; | 780 | scan.x[1] += scan.slopeX[1]; |
781 | 781 | ||
782 | #ifdef IPOL_Z | 782 | #ifdef IPOL_Z |
783 | scan.z[0] += scan.slopeZ[0]; | 783 | scan.z[0] += scan.slopeZ[0]; |
784 | scan.z[1] += scan.slopeZ[1]; | 784 | scan.z[1] += scan.slopeZ[1]; |
785 | #endif | 785 | #endif |
786 | 786 | ||
787 | #ifdef IPOL_W | 787 | #ifdef IPOL_W |
788 | scan.w[0] += scan.slopeW[0]; | 788 | scan.w[0] += scan.slopeW[0]; |
789 | scan.w[1] += scan.slopeW[1]; | 789 | scan.w[1] += scan.slopeW[1]; |
790 | #endif | 790 | #endif |
791 | 791 | ||
792 | #ifdef IPOL_C0 | 792 | #ifdef IPOL_C0 |
793 | scan.c[0][0] += scan.slopeC[0][0]; | 793 | scan.c[0][0] += scan.slopeC[0][0]; |
794 | scan.c[0][1] += scan.slopeC[0][1]; | 794 | scan.c[0][1] += scan.slopeC[0][1]; |
795 | #endif | 795 | #endif |
796 | 796 | ||
797 | #ifdef IPOL_T0 | 797 | #ifdef IPOL_T0 |
798 | scan.t[0][0] += scan.slopeT[0][0]; | 798 | scan.t[0][0] += scan.slopeT[0][0]; |
799 | scan.t[0][1] += scan.slopeT[0][1]; | 799 | scan.t[0][1] += scan.slopeT[0][1]; |
800 | #endif | 800 | #endif |
801 | 801 | ||
802 | #ifdef IPOL_T1 | 802 | #ifdef IPOL_T1 |
803 | scan.t[1][0] += scan.slopeT[1][0]; | 803 | scan.t[1][0] += scan.slopeT[1][0]; |
804 | scan.t[1][1] += scan.slopeT[1][1]; | 804 | scan.t[1][1] += scan.slopeT[1][1]; |
805 | #endif | 805 | #endif |
806 | #ifdef IPOL_T2 | 806 | #ifdef IPOL_T2 |
807 | scan.t[2][0] += scan.slopeT[2][0]; | 807 | scan.t[2][0] += scan.slopeT[2][0]; |
808 | scan.t[2][1] += scan.slopeT[2][1]; | 808 | scan.t[2][1] += scan.slopeT[2][1]; |
809 | #endif | 809 | #endif |
810 | 810 | ||
811 | #ifdef IPOL_L0 | 811 | #ifdef IPOL_L0 |
812 | scan.l[0][0] += scan.slopeL[0][0]; | 812 | scan.l[0][0] += scan.slopeL[0][0]; |
813 | scan.l[0][1] += scan.slopeL[0][1]; | 813 | scan.l[0][1] += scan.slopeL[0][1]; |
814 | #endif | 814 | #endif |
815 | 815 | ||
816 | } | 816 | } |
817 | } | 817 | } |
818 | 818 | ||
819 | } | 819 | } |
820 | 820 | ||
821 | 821 | ||
822 | } // end namespace video | 822 | } // end namespace video |
823 | } // end namespace irr | 823 | } // end namespace irr |
824 | 824 | ||
825 | #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ | 825 | #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ |
826 | 826 | ||
827 | namespace irr | 827 | namespace irr |
828 | { | 828 | { |
829 | namespace video | 829 | namespace video |
830 | { | 830 | { |
831 | 831 | ||
832 | 832 | ||
833 | //! creates a triangle renderer | 833 | //! creates a triangle renderer |
834 | IBurningShader* createTRNormalMap(CBurningVideoDriver* driver) | 834 | IBurningShader* createTRNormalMap(CBurningVideoDriver* driver) |
835 | { | 835 | { |
836 | #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_ | 836 | #ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_ |
837 | return new CTRNormalMap(driver); | 837 | return new CTRNormalMap(driver); |
838 | #else | 838 | #else |
839 | return 0; | 839 | return 0; |
840 | #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ | 840 | #endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_ |
841 | } | 841 | } |
842 | 842 | ||
843 | 843 | ||
844 | } // end namespace video | 844 | } // end namespace video |
845 | } // end namespace irr | 845 | } // end namespace irr |
846 | 846 | ||
847 | 847 | ||
848 | 848 | ||