d07c171f |
1 | /* |
2 | Copyright (C) 2003 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 | #include "OGLExtensions.h" |
20 | |
21 | #include "OGLCombinerTNT2.h" |
22 | #include "OGLRender.h" |
23 | #include "OGLGraphicsContext.h" |
24 | #include "OGLTexture.h" |
25 | |
26 | //======================================================================== |
27 | COGLColorCombinerTNT2::COGLColorCombinerTNT2(CRender *pRender) |
28 | :COGLColorCombiner4(pRender) |
29 | { |
30 | m_bTNT2Supported=false; |
31 | delete m_pDecodedMux; |
32 | m_pDecodedMux = new COGLDecodedMux; |
33 | m_ppDecodedMux = &m_pDecodedMux; |
34 | } |
35 | |
36 | |
37 | bool COGLColorCombinerTNT2::Initialize(void) |
38 | { |
39 | m_bTNT2Supported = false; |
40 | |
41 | if( COGLColorCombiner4::Initialize() ) |
42 | { |
43 | m_bSupportMultiTexture = true; |
44 | COGLGraphicsContext *pcontext = (COGLGraphicsContext *)(CGraphicsContext::g_pGraphicsContext); |
45 | if( pcontext->IsExtensionSupported("GL_NV_texture_env_combine4") ) |
46 | { |
47 | m_bTNT2Supported = true; |
48 | } |
49 | else |
50 | { |
51 | DebugMessage(M64MSG_ERROR, "Your video card does not support OpenGL TNT2 extension combiner, you can only use the OpenGL Ext combiner functions"); |
52 | } |
53 | return true; |
54 | } |
55 | return false; |
56 | } |
57 | |
58 | //======================================================================== |
59 | |
60 | void COGLColorCombinerTNT2::InitCombinerCycle12(void) |
61 | { |
62 | if( !m_bOGLExtCombinerSupported ) { COGLColorCombiner4::InitCombinerCycle12(); return;} |
63 | |
64 | #ifdef DEBUGGER |
65 | if( debuggerDropCombiners ) |
66 | { |
67 | m_vCompiledTNTSettings.clear(); |
68 | m_dwLastMux0 = m_dwLastMux1 = 0; |
69 | debuggerDropCombiners = false; |
70 | } |
71 | #endif |
72 | |
73 | m_pOGLRender->EnableMultiTexture(); |
74 | |
75 | bool combinerIsChanged = false; |
76 | |
77 | if( m_pDecodedMux->m_dwMux0 != m_dwLastMux0 || m_pDecodedMux->m_dwMux1 != m_dwLastMux1 || m_lastIndex < 0 ) |
78 | { |
79 | combinerIsChanged = true; |
80 | m_lastIndex = CNvTNTCombiner::FindCompiledMux(); |
81 | if( m_lastIndex < 0 ) // Can not found |
82 | { |
83 | m_lastIndex = CNvTNTCombiner::ParseDecodedMux(); |
84 | } |
85 | m_dwLastMux0 = m_pDecodedMux->m_dwMux0; |
86 | m_dwLastMux1 = m_pDecodedMux->m_dwMux1; |
87 | } |
88 | |
89 | m_pOGLRender->SetAllTexelRepeatFlag(); |
90 | |
91 | if( m_bCycleChanged || combinerIsChanged || gRDP.texturesAreReloaded || gRDP.colorsAreReloaded ) |
92 | { |
93 | gRDP.texturesAreReloaded = false; |
94 | |
95 | if( m_bCycleChanged || combinerIsChanged ) |
96 | { |
97 | GenerateCombinerSettingConstants(m_lastIndex); |
98 | GenerateCombinerSetting(m_lastIndex); |
99 | } |
100 | else if( gRDP.colorsAreReloaded ) |
101 | { |
102 | GenerateCombinerSettingConstants(m_lastIndex); |
103 | } |
104 | |
105 | gRDP.colorsAreReloaded = false; |
106 | } |
107 | } |
108 | |
109 | const char* COGLColorCombinerTNT2::GetOpStr(GLenum op) |
110 | { |
111 | switch( op ) |
112 | { |
113 | case GL_ADD: |
114 | return "MOD"; |
115 | default: |
116 | return "ADD_SIGNED"; |
117 | } |
118 | } |
119 | |
120 | |
121 | #ifdef DEBUGGER |
122 | void COGLColorCombinerTNT2::DisplaySimpleMuxString(void) |
123 | { |
124 | COGLColorCombiner::DisplaySimpleMuxString(); |
125 | CNvTNTCombiner::DisplaySimpleMuxString(); |
126 | } |
127 | #endif |
128 | |
129 | //======================================================================== |
130 | |
131 | GLint COGLColorCombinerTNT2::RGBArgsMap[] = |
132 | { |
133 | GL_ZERO, //MUX_0 |
134 | GL_ZERO, //MUX_1 |
135 | GL_PREVIOUS_EXT, //MUX_COMBINED, |
136 | GL_TEXTURE0_ARB, //MUX_TEXEL0, |
137 | GL_TEXTURE1_ARB, //MUX_TEXEL1, |
138 | GL_CONSTANT_EXT, //MUX_PRIM, |
139 | GL_PRIMARY_COLOR_EXT, //MUX_SHADE, |
140 | GL_CONSTANT_EXT, //MUX_ENV, |
141 | GL_PREVIOUS_EXT, //MUX_COMBALPHA, |
142 | GL_TEXTURE0_ARB, //MUX_T0_ALPHA, |
143 | GL_TEXTURE1_ARB, //MUX_T1_ALPHA, |
144 | GL_CONSTANT_EXT, //MUX_PRIM_ALPHA, |
145 | GL_PRIMARY_COLOR_EXT, //MUX_SHADE_ALPHA, |
146 | GL_CONSTANT_EXT, //MUX_ENV_ALPHA, |
147 | GL_CONSTANT_EXT, //MUX_LODFRAC, |
148 | GL_CONSTANT_EXT, //MUX_PRIMLODFRAC, |
149 | GL_ZERO, //MUX_K5 |
150 | GL_ZERO //MUX_UNK |
151 | }; |
152 | |
153 | |
154 | //======================================================================== |
155 | |
156 | GLint COGLColorCombinerTNT2::MapRGBArgs(uint8 arg) |
157 | { |
158 | return RGBArgsMap[arg&MUX_MASK]; |
159 | } |
160 | |
161 | GLint COGLColorCombinerTNT2::MapRGBArgFlags(uint8 arg) |
162 | { |
163 | if( (arg & MUX_ALPHAREPLICATE) && (arg & MUX_COMPLEMENT) ) |
164 | { |
165 | return GL_ONE_MINUS_SRC_ALPHA; |
166 | } |
167 | else if( (arg & MUX_ALPHAREPLICATE) ) |
168 | { |
169 | if( arg == MUX_1 ) |
170 | return GL_ONE_MINUS_SRC_ALPHA; |
171 | else |
172 | return GL_SRC_ALPHA; |
173 | } |
174 | else if(arg & MUX_COMPLEMENT || arg == MUX_1) |
175 | { |
176 | return GL_ONE_MINUS_SRC_COLOR; |
177 | } |
178 | else |
179 | return GL_SRC_COLOR; |
180 | } |
181 | |
182 | GLint COGLColorCombinerTNT2::MapAlphaArgs(uint8 arg) |
183 | { |
184 | return RGBArgsMap[arg&MUX_MASK]; |
185 | } |
186 | |
187 | GLint COGLColorCombinerTNT2::MapAlphaArgFlags(uint8 arg) |
188 | { |
189 | if(arg & MUX_COMPLEMENT || arg == MUX_1) |
190 | { |
191 | return GL_ONE_MINUS_SRC_ALPHA; |
192 | } |
193 | else |
194 | return GL_SRC_ALPHA; |
195 | } |
196 | |
197 | //======================================================================== |
198 | |
199 | void COGLColorCombinerTNT2::GenerateCombinerSetting(int index) |
200 | { |
201 | TNT2CombinerSaveType &res = m_vCompiledTNTSettings[index]; |
202 | |
203 | // Texture unit 0 |
204 | COGLTexture* pTexture = g_textures[gRSP.curTile].m_pCOGLTexture; |
205 | COGLTexture* pTexture1 = g_textures[(gRSP.curTile+1)&7].m_pCOGLTexture; |
206 | |
207 | if( pTexture ) m_pOGLRender->BindTexture(pTexture->m_dwTextureName, 0); |
208 | if( pTexture1 ) m_pOGLRender->BindTexture(pTexture1->m_dwTextureName, 1); |
209 | |
210 | // Texture unit 0 |
211 | pglActiveTexture(GL_TEXTURE0_ARB); |
212 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV); |
213 | m_pOGLRender->EnableTexUnit(0,TRUE); |
214 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, res.unit1.rgbOp); |
215 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, res.unit1.alphaOp); |
216 | |
217 | if( res.unit1.rgbOp == GL_SUBTRACT_ARB ) |
218 | { |
219 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, MapRGBArgs(res.unit1.rgbArg0^MUX_COMPLEMENT)); |
220 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg0^MUX_COMPLEMENT)); |
221 | } |
222 | else |
223 | { |
224 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, MapRGBArgs(res.unit1.rgbArg0)); |
225 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg0)); |
226 | } |
227 | |
228 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, MapRGBArgs(res.unit1.rgbArg1)); |
229 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg1)); |
230 | |
231 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, MapRGBArgs(res.unit1.rgbArg2)); |
232 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, MapRGBArgFlags(res.unit1.rgbArg2)); |
233 | |
234 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_EXT, MapRGBArgs(res.unit1.rgbArg3)); |
235 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_EXT, MapRGBArgFlags(res.unit1.rgbArg3)); |
236 | |
237 | if( res.unit1.alphaOp == GL_SUBTRACT_ARB ) |
238 | { |
239 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg0^MUX_COMPLEMENT)); |
240 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg0^MUX_COMPLEMENT)); |
241 | } |
242 | else |
243 | { |
244 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg0)); |
245 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg0)); |
246 | } |
247 | |
248 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg1)); |
249 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg1)); |
250 | |
251 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, MapRGBArgs(res.unit1.alphaArg2)); |
252 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, MapAlphaArgFlags(res.unit1.alphaArg2)); |
253 | |
254 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_EXT, MapRGBArgs(res.unit1.rgbArg3)); |
255 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_EXT, MapAlphaArgFlags(res.unit1.rgbArg3)); |
256 | |
257 | pglActiveTexture(GL_TEXTURE1_ARB); |
258 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV); |
259 | |
260 | if( m_maxTexUnits > 1 && res.numOfUnits > 1 ) |
261 | { |
262 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, res.unit2.rgbOp); |
263 | glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, res.unit2.alphaOp); |
264 | |
265 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, MapRGBArgs(res.unit2.rgbArg0)); |
266 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, MapRGBArgFlags(res.unit2.rgbArg0)); |
267 | |
268 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, MapRGBArgs(res.unit2.rgbArg1)); |
269 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, MapRGBArgFlags(res.unit2.rgbArg1)); |
270 | |
271 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, MapRGBArgs(res.unit2.rgbArg2)); |
272 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, MapRGBArgFlags(res.unit2.rgbArg2)); |
273 | |
274 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_RGB_EXT, MapRGBArgs(res.unit2.rgbArg3)); |
275 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_RGB_EXT, MapRGBArgFlags(res.unit2.rgbArg3)); |
276 | |
277 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, MapRGBArgs(res.unit2.alphaArg0)); |
278 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, MapAlphaArgFlags(res.unit2.alphaArg0)); |
279 | |
280 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, MapRGBArgs(res.unit2.alphaArg1)); |
281 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, MapAlphaArgFlags(res.unit2.alphaArg1)); |
282 | |
283 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, MapRGBArgs(res.unit2.alphaArg2)); |
284 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, MapAlphaArgFlags(res.unit2.alphaArg2)); |
285 | |
286 | glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE3_ALPHA_EXT, MapRGBArgs(res.unit2.alphaArg3)); |
287 | glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND3_ALPHA_EXT, MapAlphaArgFlags(res.unit2.alphaArg3)); |
288 | |
289 | m_pOGLRender->EnableTexUnit(1,TRUE); |
290 | } |
291 | else |
292 | { |
293 | //m_pOGLRender->EnableTexUnit(1,FALSE); |
294 | } |
295 | } |
296 | |
297 | void COGLColorCombinerTNT2::GenerateCombinerSettingConstants(int index) |
298 | { |
299 | TNT2CombinerSaveType &res = m_vCompiledTNTSettings[index]; |
300 | for( int i=0; i<2; i++ ) |
301 | { |
302 | float *fv; |
303 | pglActiveTextureARB(GL_TEXTURE0_ARB+i); |
304 | switch( res.units[i].constant & MUX_MASK ) |
305 | { |
306 | case MUX_PRIM: |
307 | fv = GetPrimitiveColorfv(); |
308 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,fv); |
309 | break; |
310 | case MUX_ENV: |
311 | fv = GetEnvColorfv(); |
312 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,fv); |
313 | break; |
314 | case MUX_LODFRAC: |
315 | { |
316 | float frac = gRDP.LODFrac / 255.0f; |
317 | float tempf[4] = {frac,frac,frac,frac}; |
318 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,tempf); |
319 | break; |
320 | } |
321 | case MUX_PRIMLODFRAC: |
322 | { |
323 | float frac = gRDP.primLODFrac / 255.0f; |
324 | float tempf[4] = {frac,frac,frac,frac}; |
325 | glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,tempf); |
326 | break; |
327 | } |
328 | } |
329 | } |
330 | } |
331 | |
332 | |