d07c171f |
1 | /* |
2 | Copyright (C) 2002 Rice1964 |
3 | |
4 | This program is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU General Public License |
6 | as published by the Free Software Foundation; either version 2 |
7 | of the License, or (at your option) any later version. |
8 | |
9 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU General Public License |
15 | along with this program; if not, write to the Free Software |
16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
17 | |
18 | */ |
19 | |
20 | #include "Combiner.h" |
21 | #include "Config.h" |
22 | #include "RenderBase.h" |
23 | |
24 | //static BOOL g_bHiliteRGBAHack = FALSE; |
25 | |
26 | |
27 | #ifdef DEBUGGER |
28 | const char *constStrs[] = { |
29 | "MUX_0", |
30 | "MUX_1", |
31 | "MUX_COMBINED", |
32 | "MUX_TEXEL0", |
33 | "MUX_TEXEL1", |
34 | "MUX_PRIM", |
35 | "MUX_SHADE", |
36 | "MUX_ENV", |
37 | "MUX_COMBALPHA", |
38 | "MUX_T0_ALPHA", |
39 | "MUX_T1_ALPHA", |
40 | "MUX_PRIM_ALPHA", |
41 | "MUX_SHADE_ALPHA", |
42 | "MUX_ENV_ALPHA", |
43 | "MUX_LODFRAC", |
44 | "MUX_PRIMLODFRAC", |
45 | "MUX_K5", |
46 | "MUX_UNK", |
47 | }; |
48 | |
49 | const char *cycleTypeStrs[] = { |
50 | "1 Cycle", |
51 | "2 Cycle", |
52 | "Copy Mode", |
53 | "Fill Mode" |
54 | }; |
55 | |
56 | const char* constStr(uint32 op) |
57 | { |
58 | if(op<=MUX_UNK) |
59 | return constStrs[op]; |
60 | else |
61 | return "Invalid-Const"; |
62 | } |
63 | #endif |
64 | |
65 | void swap(uint8 &a, uint8 &b) |
66 | { |
67 | uint8 c=a; |
68 | a=b; |
69 | b=c; |
70 | } |
71 | |
72 | |
73 | //======================================================================== |
74 | |
75 | //======================================================================== |
76 | |
77 | inline IColor GetIColor(uint8 flag, uint32 curCol) |
78 | { |
79 | IColor newc; |
80 | switch(flag&MUX_MASK) |
81 | { |
82 | case MUX_0: |
83 | newc = 0; |
84 | break; |
85 | case MUX_1: |
86 | newc = 0xFFFFFFFF; |
87 | break; |
88 | case MUX_PRIM: |
89 | newc = gRDP.primitiveColor; |
90 | break; |
91 | case MUX_ENV: |
92 | newc = gRDP.envColor; |
93 | break; |
94 | case MUX_COMBINED: |
95 | case MUX_SHADE: |
96 | newc = curCol; |
97 | break; |
98 | case MUX_K5: |
99 | newc = 0xFFFFFFFF; |
100 | break; |
101 | case MUX_UNK: |
102 | newc = curCol; |
103 | if( options.enableHackForGames == HACK_FOR_CONKER ) |
104 | newc = 0xFFFFFFFF; |
105 | break; |
106 | default: |
107 | newc = curCol; |
108 | break; |
109 | } |
110 | |
111 | if( flag&MUX_COMPLEMENT ) |
112 | { |
113 | newc.Complement(); |
114 | } |
115 | |
116 | if( flag&MUX_ALPHAREPLICATE ) |
117 | { |
118 | newc.AlphaReplicate(); |
119 | } |
120 | |
121 | return newc; |
122 | } |
123 | |
124 | COLOR CalculateConstFactor(uint32 colorOp, uint32 alphaOp, uint32 curCol) |
125 | { |
126 | N64CombinerType m; |
127 | IColor color(curCol); |
128 | IColor alpha(curCol); |
129 | |
130 | // For color channel |
131 | *(uint32*)&m = colorOp; |
132 | if( m.c != MUX_0 && m.a!=m.b) |
133 | { |
134 | if( m.a != MUX_0 ) color = GetIColor(m.a, curCol); |
135 | if( m.b != MUX_0 ) color -= GetIColor(m.b, curCol); |
136 | if( m.c != MUX_1 ) color *= GetIColor(m.c, curCol); |
137 | } |
138 | if( m.d != MUX_0 ) color += GetIColor(m.d, curCol); |
139 | |
140 | // For alpha channel |
141 | *(uint32*)&m = alphaOp; |
142 | if( m.c != MUX_0 && m.a!=m.b) |
143 | { |
144 | if( m.a != MUX_0 ) alpha = GetIColor(m.a, curCol); |
145 | if( m.b != MUX_0 ) alpha -= GetIColor(m.b, curCol); |
146 | if( m.c != MUX_1 ) alpha *= GetIColor(m.c, curCol); |
147 | } |
148 | if( m.d != MUX_0 ) alpha += GetIColor(m.d, curCol); |
149 | |
150 | return (COLOR)(((uint32)color&0x00FFFFFF)|((uint32)alpha&0xFF000000)); |
151 | } |
152 | |
153 | |
154 | COLOR CColorCombiner::GetConstFactor(uint32 colorFlag, uint32 alphaFlag, uint32 defaultColor) |
155 | { |
156 | // Allows a combine mode to select what TFACTOR should be |
157 | uint32 color = defaultColor; |
158 | uint32 alpha = defaultColor; |
159 | |
160 | switch (colorFlag&MUX_MASK) |
161 | { |
162 | case MUX_0: |
163 | break; |
164 | case MUX_FORCE_0: |
165 | color = 0; |
166 | break; |
167 | case MUX_1: |
168 | color = 0xFFFFFFFF; |
169 | break; |
170 | case MUX_PRIM: |
171 | color = gRDP.primitiveColor; |
172 | break; |
173 | case MUX_ENV: |
174 | color = gRDP.envColor; |
175 | break; |
176 | case MUX_LODFRAC: |
177 | color = COLOR_RGBA(gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac); |
178 | break; |
179 | case MUX_PRIMLODFRAC: |
180 | color = COLOR_RGBA(gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac); |
181 | break; |
182 | case MUX_PRIM_ALPHA: |
183 | { |
184 | IColor col(gRDP.primitiveColor); |
185 | col.AlphaReplicate(); |
186 | color = (COLOR)col; |
187 | } |
188 | break; |
189 | case MUX_ENV_ALPHA: |
190 | { |
191 | IColor col(gRDP.envColor); |
192 | col.AlphaReplicate(); |
193 | color = (COLOR)col; |
194 | } |
195 | break; |
196 | case MUX_K5: |
197 | color = 0xFFFFFFFF; |
198 | break; |
199 | case MUX_UNK: |
200 | color = defaultColor; |
201 | if( options.enableHackForGames == HACK_FOR_CONKER ) color = 0xFFFFFFFF; |
202 | break; |
203 | default: |
204 | color = defaultColor; |
205 | break; |
206 | } |
207 | |
208 | if( colorFlag & MUX_COMPLEMENT ) |
209 | { |
210 | color = 0xFFFFFFFF - color; |
211 | } |
212 | if( colorFlag & MUX_ALPHAREPLICATE ) |
213 | { |
214 | color = color>>24; |
215 | color = color | (color<<8) | (color <<16) | (color<<24); |
216 | } |
217 | |
218 | color &= 0x00FFFFFF; // For color channel only, not the alpha channel |
219 | |
220 | |
221 | switch (alphaFlag&MUX_MASK) |
222 | { |
223 | case MUX_0: |
224 | break; |
225 | case MUX_FORCE_0: |
226 | alpha = 0; |
227 | break; |
228 | case MUX_1: |
229 | alpha = 0xFFFFFFFF; |
230 | break; |
231 | case MUX_PRIM: |
232 | alpha = gRDP.primitiveColor; |
233 | break; |
234 | case MUX_ENV: |
235 | alpha = gRDP.envColor; |
236 | break; |
237 | case MUX_LODFRAC: |
238 | alpha = COLOR_RGBA(gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac); |
239 | break; |
240 | case MUX_PRIMLODFRAC: |
241 | alpha = COLOR_RGBA(gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac); |
242 | break; |
243 | case MUX_PRIM_ALPHA: |
244 | { |
245 | IColor col(gRDP.primitiveColor); |
246 | col.AlphaReplicate(); |
247 | alpha = (COLOR)col; |
248 | } |
249 | break; |
250 | case MUX_ENV_ALPHA: |
251 | { |
252 | IColor col(gRDP.envColor); |
253 | col.AlphaReplicate(); |
254 | alpha = (COLOR)col; |
255 | } |
256 | break; |
257 | default: |
258 | alpha = defaultColor; |
259 | break; |
260 | } |
261 | |
262 | if( alphaFlag & MUX_COMPLEMENT ) |
263 | { |
264 | alpha = 0xFFFFFFFF - alpha; |
265 | } |
266 | |
267 | alpha &= 0xFF000000; |
268 | |
269 | return (color|alpha); |
270 | } |
271 | |
272 | //***************************************************************************** |
273 | // |
274 | //***************************************************************************** |
275 | bool gUsingPrimColour = false; |
276 | bool gUsingEnvColour = false; |
277 | |
278 | int CountTexel1Cycle(N64CombinerType &m) |
279 | { |
280 | int hasTexel[2]; |
281 | uint8 *p = (uint8*)&m; |
282 | |
283 | for( int i=0; i<2; i++) |
284 | { |
285 | hasTexel[i]=0; |
286 | for( int j=0; j<4; j++) |
287 | { |
288 | if( (p[j]&MUX_MASK) == MUX_TEXEL0+i ) |
289 | { |
290 | hasTexel[i]=1; |
291 | break; |
292 | } |
293 | } |
294 | } |
295 | |
296 | return hasTexel[0]+hasTexel[1]; |
297 | } |
298 | |
299 | uint32 GetTexelNumber(N64CombinerType &m) |
300 | { |
301 | if( (m.a&MUX_MASK) == MUX_TEXEL1 || (m.b&MUX_MASK) == MUX_TEXEL1 || (m.c&MUX_MASK) == MUX_TEXEL1 || (m.d&MUX_MASK) == MUX_TEXEL1 ) |
302 | return TEX_1; |
303 | else |
304 | return TEX_0; |
305 | } |
306 | |
307 | bool IsTxtrUsed(N64CombinerType &m) |
308 | { |
309 | if( (m.a&MUX_MASK) == MUX_TEXEL1 || (m.b&MUX_MASK) == MUX_TEXEL1 || (m.c&MUX_MASK) == MUX_TEXEL1 || (m.d&MUX_MASK) == MUX_TEXEL1 ) |
310 | return true; |
311 | if( (m.a&MUX_MASK) == MUX_TEXEL0 || (m.b&MUX_MASK) == MUX_TEXEL0 || (m.c&MUX_MASK) == MUX_TEXEL0 || (m.d&MUX_MASK) == MUX_TEXEL0 ) |
312 | return true; |
313 | else |
314 | return false; |
315 | } |
316 | |
317 | //======================================================================== |
318 | |
319 | void CColorCombiner::InitCombinerMode(void) |
320 | { |
321 | #ifdef DEBUGGER |
322 | LOG_UCODE(cycleTypeStrs[gRDP.otherMode.cycle_type]); |
323 | if( debuggerDropDecodedMux ) |
324 | { |
325 | UpdateCombiner(m_pDecodedMux->m_dwMux0, m_pDecodedMux->m_dwMux1); |
326 | } |
327 | #endif |
328 | |
329 | if( currentRomOptions.bNormalCombiner ) |
330 | { |
331 | DisableCombiner(); |
332 | } |
333 | else if( gRDP.otherMode.cycle_type == CYCLE_TYPE_COPY ) |
334 | { |
335 | InitCombinerCycleCopy(); |
336 | m_bCycleChanged = true; |
337 | } |
338 | else if ( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL ) |
339 | //else if ( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL && gRSP.ucode != 5 ) //hack |
340 | { |
341 | InitCombinerCycleFill(); |
342 | m_bCycleChanged = true; |
343 | } |
344 | else |
345 | { |
346 | InitCombinerCycle12(); |
347 | m_bCycleChanged = false; |
348 | } |
349 | } |
350 | |
351 | |
352 | bool bConkerHideShadow=false; |
353 | void CColorCombiner::UpdateCombiner(uint32 dwMux0, uint32 dwMux1) |
354 | { |
355 | #ifdef DEBUGGER |
356 | if( debuggerDropDecodedMux ) |
357 | { |
358 | debuggerDropDecodedMux = false; |
359 | m_pDecodedMux->m_dwMux0 = m_pDecodedMux->m_dwMux1 = 0; |
360 | m_DecodedMuxList.clear(); |
361 | } |
362 | #endif |
363 | |
364 | DecodedMux &m_decodedMux = *m_pDecodedMux; |
365 | if( m_decodedMux.m_dwMux0 != dwMux0 || m_decodedMux.m_dwMux1 != dwMux1 ) |
366 | { |
367 | if( options.enableHackForGames == HACK_FOR_DR_MARIO ) |
368 | { |
369 | // Hack for Dr. Mario |
370 | if( dwMux1 == 0xfffcf239 && |
371 | ((m_decodedMux.m_dwMux0 == dwMux0 && dwMux0 == 0x00ffffff && |
372 | m_decodedMux.m_dwMux1 != dwMux1 && m_decodedMux.m_dwMux1 == 0xfffcf279 ) || |
373 | (m_decodedMux.m_dwMux0 == 0x00ffb3ff && m_decodedMux.m_dwMux1 == 0xff64fe7f && dwMux0 == 0x00ffffff ) )) |
374 | { |
375 | //dwMux1 = 0xffcf23A; |
376 | dwMux1 = 0xfffcf438; |
377 | } |
378 | } |
379 | uint64 mux64 = (((uint64)dwMux1)<<32)+dwMux0; |
380 | int index=m_DecodedMuxList.find(mux64); |
381 | |
382 | if( options.enableHackForGames == HACK_FOR_CONKER ) |
383 | { |
384 | // Conker's shadow, to disable the shadow |
385 | //Mux=0x00ffe9ff Used in CONKER BFD |
386 | //Color0: (0 - 0) * 0 + SHADE |
387 | //Color1: (0 - 0) * 0 + SHADE |
388 | //Alpha0: (1 - TEXEL0) * SHADE + 0 |
389 | //Alpha1: (1 - TEXEL0) * SHADE + 0 |
390 | if( dwMux1 == 0xffd21f0f && dwMux0 == 0x00ffe9ff ) |
391 | { |
392 | bConkerHideShadow = true; |
393 | } |
394 | else |
395 | { |
396 | bConkerHideShadow = false; |
397 | } |
398 | } |
399 | |
400 | if( index >= 0 ) |
401 | { |
402 | m_decodedMux = m_DecodedMuxList[index]; |
403 | } |
404 | else |
405 | { |
406 | m_decodedMux.Decode(dwMux0, dwMux1); |
407 | m_decodedMux.splitType[0] = CM_FMT_TYPE_NOT_CHECKED; |
408 | m_decodedMux.splitType[1] = CM_FMT_TYPE_NOT_CHECKED; |
409 | m_decodedMux.splitType[2] = CM_FMT_TYPE_NOT_CHECKED; |
410 | m_decodedMux.splitType[3] = CM_FMT_TYPE_NOT_CHECKED; |
411 | |
412 | m_decodedMux.Hack(); |
413 | |
414 | if( !m_bSupportMultiTexture ) |
415 | { |
416 | m_decodedMux.ReplaceVal(MUX_TEXEL1, MUX_TEXEL0); |
417 | m_decodedMux.ReplaceVal(MUX_LODFRAC,1); |
418 | m_decodedMux.ReplaceVal(MUX_PRIMLODFRAC,1); |
419 | } |
420 | |
421 | m_decodedMux.Simplify(); |
422 | if( m_supportedStages>1) |
423 | m_decodedMux.SplitComplexStages(); |
424 | |
425 | m_DecodedMuxList.add(m_decodedMux.m_u64Mux, *m_pDecodedMux); |
426 | #ifdef DEBUGGER |
427 | if( logCombiners ) |
428 | { |
429 | TRACE0("Add a new mux"); |
430 | DisplayMuxString(); |
431 | } |
432 | #endif |
433 | } |
434 | |
435 | m_bTex0Enabled = m_decodedMux.m_bTexel0IsUsed; |
436 | m_bTex1Enabled = m_decodedMux.m_bTexel1IsUsed; |
437 | m_bTexelsEnable = m_bTex0Enabled||m_bTex1Enabled; |
438 | |
439 | gRSP.bProcessDiffuseColor = (m_decodedMux.m_dwShadeColorChannelFlag != MUX_0 || m_decodedMux.m_dwShadeAlphaChannelFlag != MUX_0); |
440 | gRSP.bProcessSpecularColor = false; |
441 | } |
442 | } |
443 | |
444 | |
445 | #ifdef DEBUGGER |
446 | void CColorCombiner::DisplayMuxString(void) |
447 | { |
448 | if( gRDP.otherMode.cycle_type == CYCLE_TYPE_COPY) |
449 | { |
450 | TRACE0("COPY Mode\n"); |
451 | } |
452 | else if( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL) |
453 | { |
454 | TRACE0("FILL Mode\n"); |
455 | } |
456 | |
457 | m_pDecodedMux->DisplayMuxString("Used"); |
458 | } |
459 | |
460 | void CColorCombiner::DisplaySimpleMuxString(void) |
461 | { |
462 | m_pDecodedMux->DisplaySimpliedMuxString("Used"); |
463 | } |
464 | #endif |
465 | |