junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2011 Google Inc. |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "GrBinHashKey.h" |
| 18 | #include "GrGLEffect.h" |
| 19 | #include "GrGLProgram.h" |
| 20 | #include "GrGpuGLShaders.h" |
| 21 | #include "GrGpuVertex.h" |
| 22 | #include "GrMemory.h" |
| 23 | #include "GrNoncopyable.h" |
| 24 | #include "GrStringBuilder.h" |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 25 | #include "GrRandom.h" |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 26 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 27 | #define SKIP_CACHE_CHECK true |
| 28 | #define GR_UINT32_MAX static_cast<uint32_t>(-1) |
| 29 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 30 | #include "GrTHashCache.h" |
| 31 | |
| 32 | class GrGpuGLShaders::ProgramCache : public ::GrNoncopyable { |
| 33 | private: |
| 34 | class Entry; |
| 35 | |
| 36 | #if GR_DEBUG |
| 37 | typedef GrBinHashKey<Entry, 4> ProgramHashKey; // Flex the dynamic allocation muscle in debug |
| 38 | #else |
| 39 | typedef GrBinHashKey<Entry, 32> ProgramHashKey; |
| 40 | #endif |
| 41 | |
| 42 | class Entry : public ::GrNoncopyable { |
| 43 | public: |
| 44 | Entry() {} |
| 45 | private: |
| 46 | void copyAndTakeOwnership(Entry& entry) { |
| 47 | fProgramData.copyAndTakeOwnership(entry.fProgramData); |
| 48 | fKey.copyAndTakeOwnership(entry.fKey); // ownership transfer |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 49 | fLRUStamp = entry.fLRUStamp; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | public: |
| 53 | int compare(const ProgramHashKey& key) const { return fKey.compare(key); } |
| 54 | |
| 55 | public: |
| 56 | GrGLProgram::CachedData fProgramData; |
| 57 | ProgramHashKey fKey; |
| 58 | unsigned int fLRUStamp; |
| 59 | }; |
| 60 | |
| 61 | GrTHashTable<Entry, ProgramHashKey, 8> fHashCache; |
| 62 | |
| 63 | enum { |
| 64 | kMaxEntries = 32 |
| 65 | }; |
| 66 | Entry fEntries[kMaxEntries]; |
| 67 | int fCount; |
| 68 | unsigned int fCurrLRUStamp; |
| 69 | |
| 70 | public: |
| 71 | ProgramCache() |
| 72 | : fCount(0) |
| 73 | , fCurrLRUStamp(0) { |
| 74 | } |
| 75 | |
| 76 | ~ProgramCache() { |
| 77 | for (int i = 0; i < fCount; ++i) { |
| 78 | GrGpuGLShaders::DeleteProgram(&fEntries[i].fProgramData); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | void abandon() { |
| 83 | fCount = 0; |
| 84 | } |
| 85 | |
| 86 | void invalidateViewMatrices() { |
| 87 | for (int i = 0; i < fCount; ++i) { |
| 88 | // set to illegal matrix |
| 89 | fEntries[i].fProgramData.fViewMatrix = GrMatrix::InvalidMatrix(); |
| 90 | } |
| 91 | } |
| 92 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 93 | GrGLProgram::CachedData* getProgramData(const GrGLProgram& desc) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 94 | ProgramHashKey key; |
| 95 | while (key.doPass()) { |
| 96 | desc.buildKey(key); |
| 97 | } |
| 98 | Entry* entry = fHashCache.find(key); |
| 99 | if (NULL == entry) { |
| 100 | if (fCount < kMaxEntries) { |
| 101 | entry = fEntries + fCount; |
| 102 | ++fCount; |
| 103 | } else { |
| 104 | GrAssert(kMaxEntries == fCount); |
| 105 | entry = fEntries; |
| 106 | for (int i = 1; i < kMaxEntries; ++i) { |
| 107 | if (fEntries[i].fLRUStamp < entry->fLRUStamp) { |
| 108 | entry = fEntries + i; |
| 109 | } |
| 110 | } |
| 111 | fHashCache.remove(entry->fKey, entry); |
| 112 | GrGpuGLShaders::DeleteProgram(&entry->fProgramData); |
| 113 | } |
| 114 | entry->fKey.copyAndTakeOwnership(key); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 115 | if (!desc.genProgram(&entry->fProgramData)) { |
| 116 | return NULL; |
| 117 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 118 | fHashCache.insert(entry->fKey, entry); |
| 119 | } |
| 120 | |
| 121 | entry->fLRUStamp = fCurrLRUStamp; |
| 122 | if (GR_UINT32_MAX == fCurrLRUStamp) { |
| 123 | // wrap around! just trash our LRU, one time hit. |
| 124 | for (int i = 0; i < fCount; ++i) { |
| 125 | fEntries[i].fLRUStamp = 0; |
| 126 | } |
| 127 | } |
| 128 | ++fCurrLRUStamp; |
| 129 | return &entry->fProgramData; |
| 130 | } |
| 131 | }; |
| 132 | |
| 133 | void GrGpuGLShaders::DeleteProgram(GrGLProgram::CachedData* programData) { |
| 134 | GR_GL(DeleteShader(programData->fVShaderID)); |
| 135 | GR_GL(DeleteShader(programData->fFShaderID)); |
| 136 | GR_GL(DeleteProgram(programData->fProgramID)); |
| 137 | GR_DEBUGCODE(memset(programData, 0, sizeof(*programData));) |
| 138 | } |
| 139 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 140 | void GrGpuGLShaders::ProgramUnitTest() { |
| 141 | |
| 142 | static const int STAGE_OPTS[] = { |
| 143 | 0, |
| 144 | GrGLProgram::ProgramDesc::StageDesc::kNoPerspective_OptFlagBit, |
| 145 | GrGLProgram::ProgramDesc::StageDesc::kIdentity_CoordMapping |
| 146 | }; |
| 147 | static const GrGLProgram::ProgramDesc::StageDesc::Modulation STAGE_MODULATES[] = { |
| 148 | GrGLProgram::ProgramDesc::StageDesc::kColor_Modulation, |
| 149 | GrGLProgram::ProgramDesc::StageDesc::kAlpha_Modulation |
| 150 | }; |
| 151 | static const GrGLProgram::ProgramDesc::StageDesc::CoordMapping STAGE_COORD_MAPPINGS[] = { |
| 152 | GrGLProgram::ProgramDesc::StageDesc::kIdentity_CoordMapping, |
| 153 | GrGLProgram::ProgramDesc::StageDesc::kRadialGradient_CoordMapping, |
| 154 | GrGLProgram::ProgramDesc::StageDesc::kSweepGradient_CoordMapping, |
| 155 | GrGLProgram::ProgramDesc::StageDesc::kRadial2Gradient_CoordMapping |
| 156 | }; |
| 157 | static const GrGLProgram::ProgramDesc::StageDesc::FetchMode FETCH_MODES[] = { |
| 158 | GrGLProgram::ProgramDesc::StageDesc::kSingle_FetchMode, |
| 159 | GrGLProgram::ProgramDesc::StageDesc::k2x2_FetchMode, |
| 160 | }; |
| 161 | GrGLProgram program; |
| 162 | GrGLProgram::ProgramDesc& pdesc = program.fProgramDesc; |
| 163 | |
| 164 | static const int NUM_TESTS = 512; |
| 165 | |
| 166 | // GrRandoms nextU() values have patterns in the low bits |
| 167 | // So using nextU() % array_count might never take some values. |
| 168 | GrRandom random; |
| 169 | for (int t = 0; t < NUM_TESTS; ++t) { |
| 170 | |
| 171 | pdesc.fVertexLayout = 0; |
| 172 | pdesc.fEmitsPointSize = random.nextF() > .5f; |
| 173 | float colorType = random.nextF(); |
| 174 | if (colorType < 1.f / 3.f) { |
| 175 | pdesc.fColorType = GrGLProgram::ProgramDesc::kAttribute_ColorType; |
| 176 | } else if (colorType < 2.f / 3.f) { |
| 177 | pdesc.fColorType = GrGLProgram::ProgramDesc::kUniform_ColorType; |
| 178 | } else { |
| 179 | pdesc.fColorType = GrGLProgram::ProgramDesc::kNone_ColorType; |
| 180 | } |
| 181 | for (int s = 0; s < kNumStages; ++s) { |
| 182 | // enable the stage? |
| 183 | if (random.nextF() > .5f) { |
| 184 | // use separate tex coords? |
| 185 | if (random.nextF() > .5f) { |
| 186 | int t = (int)(random.nextF() * kMaxTexCoords); |
| 187 | pdesc.fVertexLayout |= StageTexCoordVertexLayoutBit(s, t); |
| 188 | } else { |
| 189 | pdesc.fVertexLayout |= StagePosAsTexCoordVertexLayoutBit(s); |
| 190 | } |
| 191 | } |
| 192 | // use text-formatted verts? |
| 193 | if (random.nextF() > .5f) { |
| 194 | pdesc.fVertexLayout |= kTextFormat_VertexLayoutBit; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | for (int s = 0; s < kNumStages; ++s) { |
| 199 | int x; |
| 200 | pdesc.fStages[s].fEnabled = VertexUsesStage(s, pdesc.fVertexLayout); |
| 201 | x = (int)(random.nextF() * GR_ARRAY_COUNT(STAGE_OPTS)); |
| 202 | pdesc.fStages[s].fOptFlags = STAGE_OPTS[x]; |
| 203 | x = (int)(random.nextF() * GR_ARRAY_COUNT(STAGE_MODULATES)); |
| 204 | pdesc.fStages[s].fModulation = STAGE_MODULATES[x]; |
| 205 | x = (int)(random.nextF() * GR_ARRAY_COUNT(STAGE_COORD_MAPPINGS)); |
| 206 | pdesc.fStages[s].fCoordMapping = STAGE_COORD_MAPPINGS[x]; |
| 207 | x = (int)(random.nextF() * GR_ARRAY_COUNT(FETCH_MODES)); |
| 208 | pdesc.fStages[s].fFetchMode = FETCH_MODES[x]; |
| 209 | } |
| 210 | GrGLProgram::CachedData cachedData; |
| 211 | program.genProgram(&cachedData); |
| 212 | DeleteProgram(&cachedData); |
| 213 | bool again = false; |
| 214 | if (again) { |
| 215 | program.genProgram(&cachedData); |
| 216 | DeleteProgram(&cachedData); |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 221 | |
| 222 | GrGpuGLShaders::GrGpuGLShaders() { |
| 223 | |
bsalomon@google.com | bcdbbe6 | 2011-04-12 15:40:00 +0000 | [diff] [blame] | 224 | resetContext(); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 225 | f4X4DownsampleFilterSupport = true; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 226 | |
| 227 | fProgramData = NULL; |
| 228 | fProgramCache = new ProgramCache(); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 229 | |
| 230 | #if 0 |
| 231 | ProgramUnitTest(); |
| 232 | #endif |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | GrGpuGLShaders::~GrGpuGLShaders() { |
| 236 | delete fProgramCache; |
| 237 | } |
| 238 | |
| 239 | const GrMatrix& GrGpuGLShaders::getHWSamplerMatrix(int stage) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 240 | GrAssert(fProgramData); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 241 | |
| 242 | if (GrGLProgram::kSetAsAttribute == |
| 243 | fProgramData->fUniLocations.fStages[stage].fTextureMatrixUni) { |
| 244 | return fHWDrawState.fSamplerStates[stage].getMatrix(); |
| 245 | } else { |
| 246 | return fProgramData->fTextureMatrices[stage]; |
| 247 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | void GrGpuGLShaders::recordHWSamplerMatrix(int stage, const GrMatrix& matrix) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 251 | GrAssert(fProgramData); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 252 | if (GrGLProgram::kSetAsAttribute == |
| 253 | fProgramData->fUniLocations.fStages[stage].fTextureMatrixUni) { |
| 254 | fHWDrawState.fSamplerStates[stage].setMatrix(matrix); |
| 255 | } else { |
| 256 | fProgramData->fTextureMatrices[stage] = matrix; |
| 257 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 258 | } |
| 259 | |
| 260 | void GrGpuGLShaders::resetContext() { |
| 261 | INHERITED::resetContext(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 262 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 263 | fHWGeometryState.fVertexLayout = 0; |
| 264 | fHWGeometryState.fVertexOffset = ~0; |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 265 | GR_GL(DisableVertexAttribArray(GrGLProgram::ColorAttributeIdx())); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 266 | for (int t = 0; t < kMaxTexCoords; ++t) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 267 | GR_GL(DisableVertexAttribArray(GrGLProgram::TexCoordAttributeIdx(t))); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 268 | } |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 269 | GR_GL(EnableVertexAttribArray(GrGLProgram::PositionAttributeIdx())); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 270 | |
| 271 | fHWProgramID = 0; |
| 272 | } |
| 273 | |
| 274 | void GrGpuGLShaders::flushViewMatrix() { |
| 275 | GrAssert(NULL != fCurrDrawState.fRenderTarget); |
| 276 | GrMatrix m ( |
| 277 | GrIntToScalar(2) / fCurrDrawState.fRenderTarget->width(), 0, -GR_Scalar1, |
| 278 | 0,-GrIntToScalar(2) / fCurrDrawState.fRenderTarget->height(), GR_Scalar1, |
| 279 | 0, 0, GrMatrix::I()[8]); |
| 280 | m.setConcat(m, fCurrDrawState.fViewMatrix); |
| 281 | |
| 282 | // ES doesn't allow you to pass true to the transpose param, |
| 283 | // so do our own transpose |
| 284 | GrScalar mt[] = { |
| 285 | m[GrMatrix::kScaleX], |
| 286 | m[GrMatrix::kSkewY], |
| 287 | m[GrMatrix::kPersp0], |
| 288 | m[GrMatrix::kSkewX], |
| 289 | m[GrMatrix::kScaleY], |
| 290 | m[GrMatrix::kPersp1], |
| 291 | m[GrMatrix::kTransX], |
| 292 | m[GrMatrix::kTransY], |
| 293 | m[GrMatrix::kPersp2] |
| 294 | }; |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 295 | |
| 296 | if (GrGLProgram::kSetAsAttribute == |
| 297 | fProgramData->fUniLocations.fViewMatrixUni) { |
| 298 | int baseIdx = GrGLProgram::ViewMatrixAttributeIdx(); |
| 299 | GR_GL(VertexAttrib4fv(baseIdx + 0, mt+0)); |
| 300 | GR_GL(VertexAttrib4fv(baseIdx + 1, mt+3)); |
| 301 | GR_GL(VertexAttrib4fv(baseIdx + 2, mt+6)); |
| 302 | } else { |
| 303 | GrAssert(GrGLProgram::kUnusedUniform != |
| 304 | fProgramData->fUniLocations.fViewMatrixUni); |
| 305 | GR_GL(UniformMatrix3fv(fProgramData->fUniLocations.fViewMatrixUni, |
| 306 | 1, false, mt)); |
| 307 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 308 | } |
| 309 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 310 | void GrGpuGLShaders::flushTextureMatrix(int s) { |
| 311 | const int& uni = fProgramData->fUniLocations.fStages[s].fTextureMatrixUni; |
| 312 | GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[s]; |
| 313 | if (NULL != texture) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 314 | if (GrGLProgram::kUnusedUniform != uni && |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 315 | (((1 << s) & fDirtyFlags.fTextureChangedMask) || |
| 316 | getHWSamplerMatrix(s) != getSamplerMatrix(s))) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 317 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 318 | GrAssert(NULL != fCurrDrawState.fTextures[s]); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 319 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 320 | GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[s]; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 321 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 322 | GrMatrix m = getSamplerMatrix(s); |
| 323 | GrSamplerState::SampleMode mode = |
| 324 | fCurrDrawState.fSamplerStates[s].getSampleMode(); |
| 325 | AdjustTextureMatrix(texture, mode, &m); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 326 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 327 | // ES doesn't allow you to pass true to the transpose param, |
| 328 | // so do our own transpose |
| 329 | GrScalar mt[] = { |
| 330 | m[GrMatrix::kScaleX], |
| 331 | m[GrMatrix::kSkewY], |
| 332 | m[GrMatrix::kPersp0], |
| 333 | m[GrMatrix::kSkewX], |
| 334 | m[GrMatrix::kScaleY], |
| 335 | m[GrMatrix::kPersp1], |
| 336 | m[GrMatrix::kTransX], |
| 337 | m[GrMatrix::kTransY], |
| 338 | m[GrMatrix::kPersp2] |
| 339 | }; |
| 340 | if (GrGLProgram::kSetAsAttribute == |
| 341 | fProgramData->fUniLocations.fStages[s].fTextureMatrixUni) { |
| 342 | int baseIdx = GrGLProgram::TextureMatrixAttributeIdx(s); |
| 343 | GR_GL(VertexAttrib4fv(baseIdx + 0, mt+0)); |
| 344 | GR_GL(VertexAttrib4fv(baseIdx + 1, mt+3)); |
| 345 | GR_GL(VertexAttrib4fv(baseIdx + 2, mt+6)); |
| 346 | } else { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 347 | GR_GL(UniformMatrix3fv(uni, 1, false, mt)); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 348 | } |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 349 | recordHWSamplerMatrix(s, getSamplerMatrix(s)); |
| 350 | } |
| 351 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 352 | } |
| 353 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 354 | void GrGpuGLShaders::flushRadial2(int s) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 355 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 356 | const int &uni = fProgramData->fUniLocations.fStages[s].fRadial2Uni; |
| 357 | const GrSamplerState& sampler = fCurrDrawState.fSamplerStates[s]; |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 358 | if (GrGLProgram::kUnusedUniform != uni && |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 359 | (fProgramData->fRadial2CenterX1[s] != sampler.getRadial2CenterX1() || |
| 360 | fProgramData->fRadial2Radius0[s] != sampler.getRadial2Radius0() || |
| 361 | fProgramData->fRadial2PosRoot[s] != sampler.isRadial2PosRoot())) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 362 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 363 | GrScalar centerX1 = sampler.getRadial2CenterX1(); |
| 364 | GrScalar radius0 = sampler.getRadial2Radius0(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 365 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 366 | GrScalar a = GrMul(centerX1, centerX1) - GR_Scalar1; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 367 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 368 | float values[6] = { |
| 369 | GrScalarToFloat(a), |
| 370 | 1 / (2.f * values[0]), |
| 371 | GrScalarToFloat(centerX1), |
| 372 | GrScalarToFloat(radius0), |
| 373 | GrScalarToFloat(GrMul(radius0, radius0)), |
| 374 | sampler.isRadial2PosRoot() ? 1.f : -1.f |
| 375 | }; |
| 376 | GR_GL(Uniform1fv(uni, 6, values)); |
| 377 | fProgramData->fRadial2CenterX1[s] = sampler.getRadial2CenterX1(); |
| 378 | fProgramData->fRadial2Radius0[s] = sampler.getRadial2Radius0(); |
| 379 | fProgramData->fRadial2PosRoot[s] = sampler.isRadial2PosRoot(); |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | void GrGpuGLShaders::flushTexelSize(int s) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 384 | const int& uni = fProgramData->fUniLocations.fStages[s].fNormalizedTexelSizeUni; |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 385 | if (GrGLProgram::kUnusedUniform != uni) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 386 | GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[s]; |
| 387 | if (texture->allocWidth() != fProgramData->fTextureWidth[s] || |
| 388 | texture->allocHeight() != fProgramData->fTextureWidth[s]) { |
| 389 | |
| 390 | float texelSize[] = {1.f / texture->allocWidth(), |
| 391 | 1.f / texture->allocHeight()}; |
| 392 | GR_GL(Uniform2fv(uni, 1, texelSize)); |
| 393 | } |
| 394 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 395 | } |
| 396 | |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 397 | void GrGpuGLShaders::flushColor() { |
| 398 | const GrGLProgram::ProgramDesc& desc = fCurrentProgram.getDesc(); |
| 399 | if (fGeometrySrc.fVertexLayout & kColor_VertexLayoutBit) { |
| 400 | // color will be specified per-vertex as an attribute |
| 401 | // invalidate the const vertex attrib color |
| 402 | fHWDrawState.fColor = GrColor_ILLEGAL; |
| 403 | } else { |
| 404 | switch (desc.fColorType) { |
| 405 | case GrGLProgram::ProgramDesc::kAttribute_ColorType: |
| 406 | if (fHWDrawState.fColor != fCurrDrawState.fColor) { |
| 407 | // OpenGL ES only supports the float varities of glVertexAttrib |
| 408 | float c[] = { |
| 409 | GrColorUnpackR(fCurrDrawState.fColor) / 255.f, |
| 410 | GrColorUnpackG(fCurrDrawState.fColor) / 255.f, |
| 411 | GrColorUnpackB(fCurrDrawState.fColor) / 255.f, |
| 412 | GrColorUnpackA(fCurrDrawState.fColor) / 255.f |
| 413 | }; |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 414 | GR_GL(VertexAttrib4fv(GrGLProgram::ColorAttributeIdx(), c)); |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 415 | fHWDrawState.fColor = fCurrDrawState.fColor; |
| 416 | } |
| 417 | break; |
| 418 | case GrGLProgram::ProgramDesc::kUniform_ColorType: |
| 419 | if (fProgramData->fColor != fCurrDrawState.fColor) { |
| 420 | // OpenGL ES only supports the float varities of glVertexAttrib |
| 421 | float c[] = { |
| 422 | GrColorUnpackR(fCurrDrawState.fColor) / 255.f, |
| 423 | GrColorUnpackG(fCurrDrawState.fColor) / 255.f, |
| 424 | GrColorUnpackB(fCurrDrawState.fColor) / 255.f, |
| 425 | GrColorUnpackA(fCurrDrawState.fColor) / 255.f |
| 426 | }; |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 427 | GrAssert(GrGLProgram::kUnusedUniform != |
| 428 | fProgramData->fUniLocations.fColorUni); |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 429 | GR_GL(Uniform4fv(fProgramData->fUniLocations.fColorUni, 1, c)); |
| 430 | fProgramData->fColor = fCurrDrawState.fColor; |
| 431 | } |
| 432 | break; |
| 433 | case GrGLProgram::ProgramDesc::kNone_ColorType: |
| 434 | GrAssert(0xffffffff == fCurrDrawState.fColor); |
| 435 | break; |
| 436 | default: |
| 437 | GrCrash("Unknown color type."); |
| 438 | } |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 443 | bool GrGpuGLShaders::flushGraphicsState(GrPrimitiveType type) { |
| 444 | if (!flushGLStateCommon(type)) { |
| 445 | return false; |
| 446 | } |
| 447 | |
| 448 | if (fDirtyFlags.fRenderTargetChanged) { |
| 449 | // our coords are in pixel space and the GL matrices map to NDC |
| 450 | // so if the viewport changed, our matrix is now wrong. |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 451 | fHWDrawState.fViewMatrix = GrMatrix::InvalidMatrix(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 452 | // we assume all shader matrices may be wrong after viewport changes |
| 453 | fProgramCache->invalidateViewMatrices(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 454 | } |
| 455 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 456 | buildProgram(type); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 457 | fProgramData = fProgramCache->getProgramData(fCurrentProgram); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 458 | if (NULL == fProgramData) { |
| 459 | GrAssert(!"Failed to create program!"); |
| 460 | return false; |
| 461 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 462 | |
| 463 | if (fHWProgramID != fProgramData->fProgramID) { |
| 464 | GR_GL(UseProgram(fProgramData->fProgramID)); |
| 465 | fHWProgramID = fProgramData->fProgramID; |
| 466 | } |
| 467 | |
| 468 | if (!fCurrentProgram.doGLSetup(type, fProgramData)) { |
| 469 | return false; |
| 470 | } |
| 471 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 472 | this->flushColor(); |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 473 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 474 | GrMatrix* currViewMatrix; |
| 475 | if (GrGLProgram::kSetAsAttribute == |
| 476 | fProgramData->fUniLocations.fViewMatrixUni) { |
| 477 | currViewMatrix = &fHWDrawState.fViewMatrix; |
| 478 | } else { |
| 479 | currViewMatrix = &fProgramData->fViewMatrix; |
| 480 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 481 | |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 482 | if (*currViewMatrix != fCurrDrawState.fViewMatrix) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 483 | flushViewMatrix(); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 484 | *currViewMatrix = fCurrDrawState.fViewMatrix; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | for (int s = 0; s < kNumStages; ++s) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 488 | this->flushTextureMatrix(s); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 489 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 490 | this->flushRadial2(s); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 491 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 492 | this->flushTexelSize(s); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 493 | } |
| 494 | resetDirtyFlags(); |
| 495 | return true; |
| 496 | } |
| 497 | |
| 498 | void GrGpuGLShaders::postDraw() { |
| 499 | fCurrentProgram.doGLPost(); |
| 500 | } |
| 501 | |
| 502 | void GrGpuGLShaders::setupGeometry(int* startVertex, |
| 503 | int* startIndex, |
| 504 | int vertexCount, |
| 505 | int indexCount) { |
| 506 | |
| 507 | int newColorOffset; |
| 508 | int newTexCoordOffsets[kMaxTexCoords]; |
| 509 | |
| 510 | GrGLsizei newStride = VertexSizeAndOffsetsByIdx(fGeometrySrc.fVertexLayout, |
| 511 | newTexCoordOffsets, |
| 512 | &newColorOffset); |
| 513 | int oldColorOffset; |
| 514 | int oldTexCoordOffsets[kMaxTexCoords]; |
| 515 | GrGLsizei oldStride = VertexSizeAndOffsetsByIdx(fHWGeometryState.fVertexLayout, |
| 516 | oldTexCoordOffsets, |
| 517 | &oldColorOffset); |
| 518 | bool indexed = NULL != startIndex; |
| 519 | |
| 520 | int extraVertexOffset; |
| 521 | int extraIndexOffset; |
| 522 | setBuffers(indexed, &extraVertexOffset, &extraIndexOffset); |
| 523 | |
| 524 | GrGLenum scalarType; |
| 525 | bool texCoordNorm; |
| 526 | if (fGeometrySrc.fVertexLayout & kTextFormat_VertexLayoutBit) { |
| 527 | scalarType = GrGLTextType; |
| 528 | texCoordNorm = GR_GL_TEXT_TEXTURE_NORMALIZED; |
| 529 | } else { |
| 530 | scalarType = GrGLType; |
| 531 | texCoordNorm = false; |
| 532 | } |
| 533 | |
| 534 | size_t vertexOffset = (*startVertex + extraVertexOffset) * newStride; |
| 535 | *startVertex = 0; |
| 536 | if (indexed) { |
| 537 | *startIndex += extraIndexOffset; |
| 538 | } |
| 539 | |
| 540 | // all the Pointers must be set if any of these are true |
| 541 | bool allOffsetsChange = fHWGeometryState.fArrayPtrsDirty || |
| 542 | vertexOffset != fHWGeometryState.fVertexOffset || |
| 543 | newStride != oldStride; |
| 544 | |
| 545 | // position and tex coord offsets change if above conditions are true |
| 546 | // or the type/normalization changed based on text vs nontext type coords. |
| 547 | bool posAndTexChange = allOffsetsChange || |
| 548 | (((GrGLTextType != GrGLType) || GR_GL_TEXT_TEXTURE_NORMALIZED) && |
| 549 | (kTextFormat_VertexLayoutBit & |
| 550 | (fHWGeometryState.fVertexLayout ^ |
| 551 | fGeometrySrc.fVertexLayout))); |
| 552 | |
| 553 | if (posAndTexChange) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 554 | int idx = GrGLProgram::PositionAttributeIdx(); |
| 555 | GR_GL(VertexAttribPointer(idx, 2, scalarType, false, newStride, |
| 556 | (GrGLvoid*)vertexOffset)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 557 | fHWGeometryState.fVertexOffset = vertexOffset; |
| 558 | } |
| 559 | |
| 560 | for (int t = 0; t < kMaxTexCoords; ++t) { |
| 561 | if (newTexCoordOffsets[t] > 0) { |
| 562 | GrGLvoid* texCoordOffset = (GrGLvoid*)(vertexOffset + newTexCoordOffsets[t]); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 563 | int idx = GrGLProgram::TexCoordAttributeIdx(t); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 564 | if (oldTexCoordOffsets[t] <= 0) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 565 | GR_GL(EnableVertexAttribArray(idx)); |
| 566 | GR_GL(VertexAttribPointer(idx, 2, scalarType, texCoordNorm, |
| 567 | newStride, texCoordOffset)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 568 | } else if (posAndTexChange || |
| 569 | newTexCoordOffsets[t] != oldTexCoordOffsets[t]) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 570 | GR_GL(VertexAttribPointer(idx, 2, scalarType, texCoordNorm, |
| 571 | newStride, texCoordOffset)); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 572 | } |
| 573 | } else if (oldTexCoordOffsets[t] > 0) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 574 | GR_GL(DisableVertexAttribArray(GrGLProgram::TexCoordAttributeIdx(t))); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 575 | } |
| 576 | } |
| 577 | |
| 578 | if (newColorOffset > 0) { |
| 579 | GrGLvoid* colorOffset = (int8_t*)(vertexOffset + newColorOffset); |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 580 | int idx = GrGLProgram::ColorAttributeIdx(); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 581 | if (oldColorOffset <= 0) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 582 | GR_GL(EnableVertexAttribArray(idx)); |
| 583 | GR_GL(VertexAttribPointer(idx, 4, GR_GL_UNSIGNED_BYTE, |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 584 | true, newStride, colorOffset)); |
| 585 | } else if (allOffsetsChange || newColorOffset != oldColorOffset) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 586 | GR_GL(VertexAttribPointer(idx, 4, GR_GL_UNSIGNED_BYTE, |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 587 | true, newStride, colorOffset)); |
| 588 | } |
| 589 | } else if (oldColorOffset > 0) { |
bsalomon@google.com | 9196130 | 2011-05-09 18:39:58 +0000 | [diff] [blame^] | 590 | GR_GL(DisableVertexAttribArray(GrGLProgram::ColorAttributeIdx())); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | fHWGeometryState.fVertexLayout = fGeometrySrc.fVertexLayout; |
| 594 | fHWGeometryState.fArrayPtrsDirty = false; |
| 595 | } |
| 596 | |
| 597 | void GrGpuGLShaders::buildProgram(GrPrimitiveType type) { |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 598 | GrGLProgram::ProgramDesc& desc = fCurrentProgram.fProgramDesc; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 599 | |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 600 | // Must initialize all fields or cache will have false negatives! |
| 601 | desc.fVertexLayout = fGeometrySrc.fVertexLayout; |
| 602 | |
| 603 | desc.fEmitsPointSize = kPoints_PrimitiveType == type; |
| 604 | |
| 605 | bool requiresAttributeColors = desc.fVertexLayout & kColor_VertexLayoutBit; |
| 606 | // fColorType records how colors are specified for the program. Strip |
| 607 | // the bit from the layout to avoid false negatives when searching for an |
| 608 | // existing program in the cache. |
| 609 | desc.fVertexLayout &= ~(kColor_VertexLayoutBit); |
| 610 | |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 611 | #if GR_AGGRESSIVE_SHADER_OPTS |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 612 | if (!requiresAttributeColors && (0xffffffff == fCurrDrawState.fColor)) { |
junov@google.com | c97db4c | 2011-04-29 17:25:42 +0000 | [diff] [blame] | 613 | desc.fColorType = GrGLProgram::ProgramDesc::kNone_ColorType; |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 614 | } else |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 615 | #endif |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 616 | #if GR_GL_NO_CONSTANT_ATTRIBUTES |
| 617 | if (!requiresAttributeColors) { |
| 618 | desc.fColorType = GrGLProgram::ProgramDesc::kUniform_ColorType; |
| 619 | } else |
| 620 | #endif |
| 621 | { |
bsalomon@google.com | 6a77cc5 | 2011-04-28 17:33:34 +0000 | [diff] [blame] | 622 | if (requiresAttributeColors) {} // suppress unused var warning |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 623 | desc.fColorType = GrGLProgram::ProgramDesc::kAttribute_ColorType; |
| 624 | } |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 625 | |
| 626 | for (int s = 0; s < kNumStages; ++s) { |
bsalomon@google.com | 4be283f | 2011-04-19 21:15:09 +0000 | [diff] [blame] | 627 | GrGLProgram::ProgramDesc::StageDesc& stage = desc.fStages[s]; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 628 | |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 629 | stage.fEnabled = this->isStageEnabled(s); |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 630 | |
| 631 | if (stage.fEnabled) { |
| 632 | GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[s]; |
| 633 | GrAssert(NULL != texture); |
| 634 | // we matrix to invert when orientation is TopDown, so make sure |
| 635 | // we aren't in that case before flagging as identity. |
| 636 | if (TextureMatrixIsIdentity(texture, fCurrDrawState.fSamplerStates[s])) { |
| 637 | stage.fOptFlags = GrGLProgram::ProgramDesc::StageDesc::kIdentityMatrix_OptFlagBit; |
| 638 | } else if (!getSamplerMatrix(s).hasPerspective()) { |
| 639 | stage.fOptFlags = GrGLProgram::ProgramDesc::StageDesc::kNoPerspective_OptFlagBit; |
| 640 | } else { |
| 641 | stage.fOptFlags = 0; |
| 642 | } |
| 643 | switch (fCurrDrawState.fSamplerStates[s].getSampleMode()) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 644 | case GrSamplerState::kNormal_SampleMode: |
| 645 | stage.fCoordMapping = GrGLProgram::ProgramDesc::StageDesc::kIdentity_CoordMapping; |
| 646 | break; |
| 647 | case GrSamplerState::kRadial_SampleMode: |
| 648 | stage.fCoordMapping = GrGLProgram::ProgramDesc::StageDesc::kRadialGradient_CoordMapping; |
| 649 | break; |
| 650 | case GrSamplerState::kRadial2_SampleMode: |
| 651 | stage.fCoordMapping = GrGLProgram::ProgramDesc::StageDesc::kRadial2Gradient_CoordMapping; |
| 652 | break; |
| 653 | case GrSamplerState::kSweep_SampleMode: |
| 654 | stage.fCoordMapping = GrGLProgram::ProgramDesc::StageDesc::kSweepGradient_CoordMapping; |
| 655 | break; |
| 656 | default: |
| 657 | GrCrash("Unexpected sample mode!"); |
| 658 | break; |
| 659 | } |
| 660 | |
| 661 | switch (fCurrDrawState.fSamplerStates[s].getFilter()) { |
| 662 | // these both can use a regular texture2D() |
| 663 | case GrSamplerState::kNearest_Filter: |
| 664 | case GrSamplerState::kBilinear_Filter: |
| 665 | stage.fFetchMode = GrGLProgram::ProgramDesc::StageDesc::kSingle_FetchMode; |
| 666 | break; |
| 667 | // performs 4 texture2D()s |
| 668 | case GrSamplerState::k4x4Downsample_Filter: |
| 669 | stage.fFetchMode = GrGLProgram::ProgramDesc::StageDesc::k2x2_FetchMode; |
| 670 | break; |
| 671 | default: |
| 672 | GrCrash("Unexpected filter!"); |
| 673 | break; |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 674 | } |
| 675 | |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 676 | if (GrPixelConfigIsAlphaOnly(texture->config())) { |
junov@google.com | f93e717 | 2011-03-31 21:26:24 +0000 | [diff] [blame] | 677 | stage.fModulation = GrGLProgram::ProgramDesc::StageDesc::kAlpha_Modulation; |
| 678 | } else { |
| 679 | stage.fModulation = GrGLProgram::ProgramDesc::StageDesc::kColor_Modulation; |
| 680 | } |
| 681 | |
| 682 | if (fCurrDrawState.fEffects[s]) { |
| 683 | fCurrentProgram.fStageEffects[s] = GrGLEffect::Create(fCurrDrawState.fEffects[s]); |
| 684 | } else { |
| 685 | delete fCurrentProgram.fStageEffects[s]; |
| 686 | fCurrentProgram.fStageEffects[s] = NULL; |
| 687 | } |
| 688 | } else { |
| 689 | stage.fOptFlags = 0; |
| 690 | stage.fCoordMapping = (GrGLProgram::ProgramDesc::StageDesc::CoordMapping)0; |
| 691 | stage.fModulation = (GrGLProgram::ProgramDesc::StageDesc::Modulation)0; |
| 692 | fCurrentProgram.fStageEffects[s] = NULL; |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | |
| 698 | |