| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "GrGLProgramEffects.h" | 8 #include "GrGLProgramEffects.h" |
| 9 #include "gl/GrGLEffect.h" | 9 #include "gl/GrGLEffect.h" |
| 10 #include "gl/GrGLPathRendering.h" | 10 #include "gl/GrGLPathRendering.h" |
| 11 #include "gl/builders/GrGLFullProgramBuilder.h" | 11 #include "gl/builders/GrGLFullProgramBuilder.h" |
| 12 #include "gl/builders/GrGLFragmentOnlyProgramBuilder.h" | 12 #include "gl/builders/GrGLFragmentOnlyProgramBuilder.h" |
| 13 #include "gl/GrGLGeometryProcessor.h" | 13 #include "gl/GrGLGeometryProcessor.h" |
| 14 #include "gl/GrGpuGL.h" | 14 #include "gl/GrGpuGL.h" |
| 15 | 15 |
| 16 typedef GrGLProgramEffects::TransformedCoords TransformedCoords; | 16 typedef GrGLEffect::TransformedCoords TransformedCoords; |
| 17 typedef GrGLProgramEffects::TransformedCoordsArray TransformedCoordsArray; | 17 typedef GrGLEffect::TransformedCoordsArray TransformedCoordsArray; |
| 18 typedef GrGLProgramEffects::TextureSampler TextureSampler; | 18 typedef GrGLEffect::TextureSampler TextureSampler; |
| 19 typedef GrGLProgramEffects::TextureSamplerArray TextureSamplerArray; | 19 typedef GrGLEffect::TextureSamplerArray TextureSamplerArray; |
| 20 | |
| 21 /** | |
| 22 * We specialize the vertex code for each of these matrix types. | |
| 23 */ | |
| 24 enum MatrixType { | |
| 25 kNoPersp_MatrixType = 0, | |
| 26 kGeneral_MatrixType = 1, | |
| 27 }; | |
| 28 | |
| 29 /** | |
| 30 * The key for an individual coord transform is made up of a matrix type and a b
it that | |
| 31 * indicates the source of the input coords. | |
| 32 */ | |
| 33 enum { | |
| 34 kMatrixTypeKeyBits = 1, | |
| 35 kMatrixTypeKeyMask = (1 << kMatrixTypeKeyBits) - 1, | |
| 36 kPositionCoords_Flag = (1 << kMatrixTypeKeyBits), | |
| 37 kTransformKeyBits = kMatrixTypeKeyBits + 1, | |
| 38 }; | |
| 39 | 20 |
| 40 namespace { | 21 namespace { |
| 41 | |
| 42 /** | |
| 43 * Do we need to either map r,g,b->a or a->r. configComponentMask indicates whic
h channels are | |
| 44 * present in the texture's config. swizzleComponentMask indicates the channels
present in the | |
| 45 * shader swizzle. | |
| 46 */ | |
| 47 inline bool swizzle_requires_alpha_remapping(const GrGLCaps& caps, | |
| 48 uint32_t configComponentMask, | |
| 49 uint32_t swizzleComponentMask) { | |
| 50 if (caps.textureSwizzleSupport()) { | |
| 51 // Any remapping is handled using texture swizzling not shader modificat
ions. | |
| 52 return false; | |
| 53 } | |
| 54 // check if the texture is alpha-only | |
| 55 if (kA_GrColorComponentFlag == configComponentMask) { | |
| 56 if (caps.textureRedSupport() && (kA_GrColorComponentFlag & swizzleCompon
entMask)) { | |
| 57 // we must map the swizzle 'a's to 'r'. | |
| 58 return true; | |
| 59 } | |
| 60 if (kRGB_GrColorComponentFlags & swizzleComponentMask) { | |
| 61 // The 'r', 'g', and/or 'b's must be mapped to 'a' according to our
semantics that | |
| 62 // alpha-only textures smear alpha across all four channels when rea
d. | |
| 63 return true; | |
| 64 } | |
| 65 } | |
| 66 return false; | |
| 67 } | |
| 68 | |
| 69 /** | |
| 70 * Retrieves the matrix type from transformKey for the transform at transformIdx
. | |
| 71 */ | |
| 72 MatrixType get_matrix_type(uint32_t transformKey, int transformIdx) { | |
| 73 return static_cast<MatrixType>( | |
| 74 (transformKey >> (kTransformKeyBits * transformIdx)) & kMatrixTyp
eKeyMask); | |
| 75 } | |
| 76 | |
| 77 /** | |
| 78 * Retrieves the source coords from transformKey for the transform at transformI
dx. It may not be | |
| 79 * the same coordinate set as the original GrCoordTransform if the position and
local coords are | |
| 80 * identical for this program. | |
| 81 */ | |
| 82 GrCoordSet get_source_coords(uint32_t transformKey, int transformIdx) { | |
| 83 return (transformKey >> (kTransformKeyBits * transformIdx)) & kPositionCoord
s_Flag ? | |
| 84 kPosition_GrCoordSet : | |
| 85 kLocal_GrCoordSet; | |
| 86 } | |
| 87 | |
| 88 /** | 22 /** |
| 89 * Retrieves the final matrix that a transform needs to apply to its source coor
ds. | 23 * Retrieves the final matrix that a transform needs to apply to its source coor
ds. |
| 90 */ | 24 */ |
| 91 SkMatrix get_transform_matrix(const GrEffectStage& effectStage, | 25 SkMatrix get_transform_matrix(const GrEffectStage& effectStage, |
| 92 bool useExplicitLocalCoords, | 26 bool useExplicitLocalCoords, |
| 93 int transformIdx) { | 27 int transformIdx) { |
| 94 const GrCoordTransform& coordTransform = effectStage.getEffect()->coordTrans
form(transformIdx); | 28 const GrCoordTransform& coordTransform = effectStage.getEffect()->coordTrans
form(transformIdx); |
| 95 SkMatrix combined; | 29 SkMatrix combined; |
| 96 | 30 |
| 97 if (kLocal_GrCoordSet == coordTransform.sourceCoords()) { | 31 if (kLocal_GrCoordSet == coordTransform.sourceCoords()) { |
| (...skipping 13 matching lines...) Expand all Loading... |
| 111 combined[SkMatrix::kMPersp1] - combined[SkMatrix::kMScaleY]); | 45 combined[SkMatrix::kMPersp1] - combined[SkMatrix::kMScaleY]); |
| 112 combined.set(SkMatrix::kMTransY, | 46 combined.set(SkMatrix::kMTransY, |
| 113 combined[SkMatrix::kMPersp2] - combined[SkMatrix::kMTransY]); | 47 combined[SkMatrix::kMPersp2] - combined[SkMatrix::kMTransY]); |
| 114 } | 48 } |
| 115 return combined; | 49 return combined; |
| 116 } | 50 } |
| 117 } | 51 } |
| 118 | 52 |
| 119 //////////////////////////////////////////////////////////////////////////////// | 53 //////////////////////////////////////////////////////////////////////////////// |
| 120 | 54 |
| 121 bool GrGLProgramEffects::GenEffectMetaKey(const GrEffectStage& effectStage, | |
| 122 bool useExplicitLocalCoords, | |
| 123 const GrGLCaps& caps, | |
| 124 GrEffectKeyBuilder* b) { | |
| 125 | |
| 126 uint32_t textureKey = GrGLProgramEffects::GenTextureKey(effectStage.getEffec
t(), caps); | |
| 127 uint32_t transformKey = GrGLProgramEffects::GenTransformKey(effectStage,useE
xplicitLocalCoords); | |
| 128 uint32_t attribKey = GrGLProgramEffects::GenAttribKey(effectStage.getEffect(
)); | |
| 129 uint32_t classID = effectStage.getEffect()->getFactory().effectClassID(); | |
| 130 | |
| 131 // Currently we allow 16 bits for each of the above portions of the meta-key
. Fail if they | |
| 132 // don't fit. | |
| 133 static const uint32_t kMetaKeyInvalidMask = ~((uint32_t) SK_MaxU16); | |
| 134 if ((textureKey | transformKey | attribKey | classID) & kMetaKeyInvalidMask)
{ | |
| 135 return false; | |
| 136 } | |
| 137 | |
| 138 uint32_t* key = b->add32n(2); | |
| 139 key[0] = (textureKey << 16 | transformKey); | |
| 140 key[1] = (classID << 16 | attribKey); | |
| 141 return true; | |
| 142 } | |
| 143 | |
| 144 uint32_t GrGLProgramEffects::GenAttribKey(const GrEffect* effect) { | |
| 145 uint32_t key = 0; | |
| 146 | |
| 147 const GrEffect::VertexAttribArray& vars = effect->getVertexAttribs(); | |
| 148 int numAttributes = vars.count(); | |
| 149 SkASSERT(numAttributes <= 2); | |
| 150 for (int a = 0; a < numAttributes; ++a) { | |
| 151 uint32_t value = 1 << a; | |
| 152 key |= value; | |
| 153 } | |
| 154 return key; | |
| 155 } | |
| 156 | |
| 157 uint32_t GrGLProgramEffects::GenTransformKey(const GrEffectStage& effectStage, | |
| 158 bool useExplicitLocalCoords) { | |
| 159 uint32_t totalKey = 0; | |
| 160 int numTransforms = effectStage.getEffect()->numTransforms(); | |
| 161 for (int t = 0; t < numTransforms; ++t) { | |
| 162 uint32_t key = 0; | |
| 163 const GrCoordTransform& coordTransform = effectStage.getEffect()->coordT
ransform(t); | |
| 164 SkMatrix::TypeMask type0 = coordTransform.getMatrix().getType(); | |
| 165 SkMatrix::TypeMask type1 = SkMatrix::kIdentity_Mask; | |
| 166 if (kLocal_GrCoordSet == coordTransform.sourceCoords() && !useExplicitLo
calCoords) { | |
| 167 type1 = effectStage.getCoordChangeMatrix().getType(); | |
| 168 } else if (kPosition_GrCoordSet == coordTransform.sourceCoords() && useE
xplicitLocalCoords) { | |
| 169 // We only make the key indicate that device coords are referenced w
hen the local coords | |
| 170 // are not actually determined by positions. Otherwise the local coo
rds var and position | |
| 171 // var are identical. | |
| 172 key |= kPositionCoords_Flag; | |
| 173 } | |
| 174 | |
| 175 int combinedTypes = type0 | type1; | |
| 176 | |
| 177 if (SkMatrix::kPerspective_Mask & combinedTypes) { | |
| 178 key |= kGeneral_MatrixType; | |
| 179 } else { | |
| 180 key |= kNoPersp_MatrixType; | |
| 181 } | |
| 182 key <<= kTransformKeyBits * t; | |
| 183 SkASSERT(0 == (totalKey & key)); // keys for each transform ought not to
overlap | |
| 184 totalKey |= key; | |
| 185 } | |
| 186 return totalKey; | |
| 187 } | |
| 188 | |
| 189 uint32_t GrGLProgramEffects::GenTextureKey(const GrEffect* effect, const GrGLCap
s& caps) { | |
| 190 uint32_t key = 0; | |
| 191 int numTextures = effect->numTextures(); | |
| 192 for (int t = 0; t < numTextures; ++t) { | |
| 193 const GrTextureAccess& access = effect->textureAccess(t); | |
| 194 uint32_t configComponentMask = GrPixelConfigComponentMask(access.getText
ure()->config()); | |
| 195 if (swizzle_requires_alpha_remapping(caps, configComponentMask, access.s
wizzleMask())) { | |
| 196 key |= 1 << t; | |
| 197 } | |
| 198 } | |
| 199 return key; | |
| 200 } | |
| 201 | |
| 202 GrGLProgramEffects::~GrGLProgramEffects() { | 55 GrGLProgramEffects::~GrGLProgramEffects() { |
| 203 int numEffects = fGLEffects.count(); | 56 int numEffects = fGLEffects.count(); |
| 204 for (int e = 0; e < numEffects; ++e) { | 57 for (int e = 0; e < numEffects; ++e) { |
| 205 SkDELETE(fGLEffects[e]); | 58 SkDELETE(fGLEffects[e]); |
| 206 } | 59 } |
| 207 } | 60 } |
| 208 | 61 |
| 209 void GrGLProgramEffects::emitSamplers(GrGLProgramBuilder* builder, | |
| 210 const GrEffect& effect, | |
| 211 TextureSamplerArray* outSamplers) { | |
| 212 SkTArray<Sampler, true>& samplers = fSamplers.push_back(); | |
| 213 int numTextures = effect.numTextures(); | |
| 214 samplers.push_back_n(numTextures); | |
| 215 SkString name; | |
| 216 for (int t = 0; t < numTextures; ++t) { | |
| 217 name.printf("Sampler%d", t); | |
| 218 samplers[t].fUniform = builder->addUniform(GrGLProgramBuilder::kFragment
_Visibility, | |
| 219 kSampler2D_GrSLType, | |
| 220 name.c_str()); | |
| 221 SkNEW_APPEND_TO_TARRAY(outSamplers, TextureSampler, | |
| 222 (samplers[t].fUniform, effect.textureAccess(t))); | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 void GrGLProgramEffects::initSamplers(const GrGLProgramDataManager& programResou
rceManager, int* texUnitIdx) { | 62 void GrGLProgramEffects::initSamplers(const GrGLProgramDataManager& programResou
rceManager, int* texUnitIdx) { |
| 227 int numEffects = fGLEffects.count(); | 63 int numEffects = fGLEffects.count(); |
| 228 SkASSERT(numEffects == fSamplers.count()); | 64 SkASSERT(numEffects == fSamplers.count()); |
| 229 for (int e = 0; e < numEffects; ++e) { | 65 for (int e = 0; e < numEffects; ++e) { |
| 230 SkTArray<Sampler, true>& samplers = fSamplers[e]; | 66 SkTArray<Sampler, true>& samplers = fSamplers[e]; |
| 231 int numSamplers = samplers.count(); | 67 int numSamplers = samplers.count(); |
| 232 for (int s = 0; s < numSamplers; ++s) { | 68 for (int s = 0; s < numSamplers; ++s) { |
| 233 SkASSERT(samplers[s].fUniform.isValid()); | 69 SkASSERT(samplers[s].fUniform.isValid()); |
| 234 programResourceManager.setSampler(samplers[s].fUniform, *texUnitIdx)
; | 70 programResourceManager.setSampler(samplers[s].fUniform, *texUnitIdx)
; |
| 235 samplers[s].fTextureUnit = (*texUnitIdx)++; | 71 samplers[s].fTextureUnit = (*texUnitIdx)++; |
| 236 } | 72 } |
| 237 } | 73 } |
| 238 } | 74 } |
| 239 | 75 |
| 240 void GrGLProgramEffects::bindTextures(GrGpuGL* gpu, const GrEffect& effect, int
effectIdx) { | 76 void GrGLProgramEffects::bindTextures(GrGpuGL* gpu, const GrEffect& effect, int
effectIdx) { |
| 241 const SkTArray<Sampler, true>& samplers = fSamplers[effectIdx]; | 77 const SkTArray<Sampler, true>& samplers = fSamplers[effectIdx]; |
| 242 int numSamplers = samplers.count(); | 78 int numSamplers = samplers.count(); |
| 243 SkASSERT(numSamplers == effect.numTextures()); | 79 SkASSERT(numSamplers == effect.numTextures()); |
| 244 for (int s = 0; s < numSamplers; ++s) { | 80 for (int s = 0; s < numSamplers; ++s) { |
| 245 SkASSERT(samplers[s].fTextureUnit >= 0); | 81 SkASSERT(samplers[s].fTextureUnit >= 0); |
| 246 const GrTextureAccess& textureAccess = effect.textureAccess(s); | 82 const GrTextureAccess& textureAccess = effect.textureAccess(s); |
| 247 gpu->bindTexture(samplers[s].fTextureUnit, | 83 gpu->bindTexture(samplers[s].fTextureUnit, |
| 248 textureAccess.getParams(), | 84 textureAccess.getParams(), |
| 249 static_cast<GrGLTexture*>(textureAccess.getTexture())); | 85 static_cast<GrGLTexture*>(textureAccess.getTexture())); |
| 250 } | 86 } |
| 251 } | 87 } |
| 252 | 88 |
| 253 //////////////////////////////////////////////////////////////////////////////// | 89 //////////////////////////////////////////////////////////////////////////////// |
| 254 | 90 |
| 255 void GrGLVertexProgramEffects::emitEffect(GrGLFullProgramBuilder* builder, | |
| 256 const GrEffectStage& stage, | |
| 257 const GrEffectKey& key, | |
| 258 const char* outColor, | |
| 259 const char* inColor, | |
| 260 int stageIndex) { | |
| 261 const GrEffect& effect = *stage.getEffect(); | |
| 262 SkSTArray<2, TransformedCoords> coords(effect.numTransforms()); | |
| 263 SkSTArray<4, TextureSampler> samplers(effect.numTextures()); | |
| 264 | |
| 265 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); | |
| 266 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | |
| 267 vsBuilder->emitAttributes(stage); | |
| 268 this->emitTransforms(builder, stage, &coords); | |
| 269 this->emitSamplers(builder, effect, &samplers); | |
| 270 | |
| 271 GrGLEffect* glEffect = effect.getFactory().createGLInstance(effect); | |
| 272 fGLEffects.push_back(glEffect); | |
| 273 | |
| 274 // Enclose custom code in a block to avoid namespace conflicts | |
| 275 SkString openBrace; | |
| 276 openBrace.printf("\t{ // Stage %d: %s\n", stageIndex, glEffect->name()); | |
| 277 fsBuilder->codeAppend(openBrace.c_str()); | |
| 278 vsBuilder->codeAppend(openBrace.c_str()); | |
| 279 | |
| 280 if (glEffect->isVertexEffect()) { | |
| 281 GrGLGeometryProcessor* vertexEffect = static_cast<GrGLGeometryProcessor*
>(glEffect); | |
| 282 vertexEffect->emitCode(builder, effect, key, outColor, inColor, coords,
samplers); | |
| 283 } else { | |
| 284 glEffect->emitCode(builder, effect, key, outColor, inColor, coords, samp
lers); | |
| 285 } | |
| 286 | |
| 287 vsBuilder->codeAppend("\t}\n"); | |
| 288 fsBuilder->codeAppend("\t}\n"); | |
| 289 } | |
| 290 | |
| 291 void GrGLVertexProgramEffects::emitTransforms(GrGLFullProgramBuilder* builder, | |
| 292 const GrEffectStage& effectStage, | |
| 293 TransformedCoordsArray* outCoords)
{ | |
| 294 SkTArray<Transform, true>& transforms = fTransforms.push_back(); | |
| 295 uint32_t totalKey = GenTransformKey(effectStage, fHasExplicitLocalCoords); | |
| 296 int numTransforms = effectStage.getEffect()->numTransforms(); | |
| 297 transforms.push_back_n(numTransforms); | |
| 298 | |
| 299 SkTArray<PathTransform, true>* pathTransforms = NULL; | |
| 300 const GrGLCaps* glCaps = builder->ctxInfo().caps(); | |
| 301 if (glCaps->pathRenderingSupport() && | |
| 302 builder->gpu()->glPathRendering()->texturingMode() == | |
| 303 GrGLPathRendering::SeparableShaders_TexturingMode) { | |
| 304 pathTransforms = &fPathTransforms.push_back(); | |
| 305 pathTransforms->push_back_n(numTransforms); | |
| 306 } | |
| 307 | |
| 308 for (int t = 0; t < numTransforms; t++) { | |
| 309 GrSLType varyingType = kVoid_GrSLType; | |
| 310 const char* uniName; | |
| 311 switch (get_matrix_type(totalKey, t)) { | |
| 312 case kNoPersp_MatrixType: | |
| 313 uniName = "StageMatrix"; | |
| 314 varyingType = kVec2f_GrSLType; | |
| 315 break; | |
| 316 case kGeneral_MatrixType: | |
| 317 uniName = "StageMatrix"; | |
| 318 varyingType = kVec3f_GrSLType; | |
| 319 break; | |
| 320 default: | |
| 321 SkFAIL("Unexpected key."); | |
| 322 } | |
| 323 SkString suffixedUniName; | |
| 324 if (0 != t) { | |
| 325 suffixedUniName.append(uniName); | |
| 326 suffixedUniName.appendf("_%i", t); | |
| 327 uniName = suffixedUniName.c_str(); | |
| 328 } | |
| 329 transforms[t].fHandle = builder->addUniform(GrGLProgramBuilder::kVertex_
Visibility, | |
| 330 kMat33f_GrSLType, | |
| 331 uniName, | |
| 332 &uniName); | |
| 333 | |
| 334 const char* varyingName = "MatrixCoord"; | |
| 335 SkString suffixedVaryingName; | |
| 336 if (0 != t) { | |
| 337 suffixedVaryingName.append(varyingName); | |
| 338 suffixedVaryingName.appendf("_%i", t); | |
| 339 varyingName = suffixedVaryingName.c_str(); | |
| 340 } | |
| 341 const char* vsVaryingName; | |
| 342 const char* fsVaryingName; | |
| 343 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); | |
| 344 if (pathTransforms) { | |
| 345 (*pathTransforms)[t].fHandle = | |
| 346 builder->addSeparableVarying(varyingType, varyingName, &vsVaryin
gName, &fsVaryingName); | |
| 347 (*pathTransforms)[t].fType = varyingType; | |
| 348 } else { | |
| 349 builder->addVarying(varyingType, varyingName, &vsVaryingName, &fsVar
yingName); | |
| 350 } | |
| 351 | |
| 352 const GrGLShaderVar& coords = kPosition_GrCoordSet == get_source_coords(
totalKey, t) ? | |
| 353 vsBuilder->positionAttribute() : | |
| 354 vsBuilder->localCoordsAttribute(); | |
| 355 // varying = matrix * coords (logically) | |
| 356 SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingTyp
e); | |
| 357 if (kVec2f_GrSLType == varyingType) { | |
| 358 vsBuilder->codeAppendf("\t%s = (%s * vec3(%s, 1)).xy;\n", | |
| 359 vsVaryingName, uniName, coords.c_str()); | |
| 360 } else { | |
| 361 vsBuilder->codeAppendf("\t%s = %s * vec3(%s, 1);\n", | |
| 362 vsVaryingName, uniName, coords.c_str()); | |
| 363 } | |
| 364 SkNEW_APPEND_TO_TARRAY(outCoords, TransformedCoords, | |
| 365 (SkString(fsVaryingName), varyingType)); | |
| 366 } | |
| 367 } | |
| 368 | |
| 369 void GrGLVertexProgramEffects::setData(GrGpuGL* gpu, | 91 void GrGLVertexProgramEffects::setData(GrGpuGL* gpu, |
| 370 GrGpu::DrawType drawType, | 92 GrGpu::DrawType drawType, |
| 371 const GrGLProgramDataManager& programData
Manager, | 93 const GrGLProgramDataManager& programData
Manager, |
| 372 const GrEffectStage* effectStages[]) { | 94 const GrEffectStage* effectStages[]) { |
| 373 int numEffects = fGLEffects.count(); | 95 int numEffects = fGLEffects.count(); |
| 374 SkASSERT(numEffects == fTransforms.count()); | 96 SkASSERT(numEffects == fTransforms.count()); |
| 375 SkASSERT(numEffects == fSamplers.count()); | 97 SkASSERT(numEffects == fSamplers.count()); |
| 376 for (int e = 0; e < numEffects; ++e) { | 98 for (int e = 0; e < numEffects; ++e) { |
| 377 const GrEffectStage& effectStage = *effectStages[e]; | 99 const GrEffectStage& effectStage = *effectStages[e]; |
| 378 const GrEffect& effect = *effectStage.getEffect(); | 100 const GrEffect& effect = *effectStage.getEffect(); |
| 379 fGLEffects[e]->setData(programDataManager, effect); | 101 fGLEffects[e]->setData(programDataManager, effect); |
| 380 if (GrGpu::IsPathRenderingDrawType(drawType)) { | 102 if (GrGpu::IsPathRenderingDrawType(drawType)) { |
| 381 this->setPathTransformData(gpu, programDataManager, effectStage, e); | 103 this->setPathTransformData(gpu, programDataManager, effectStage, e); |
| 382 } else { | 104 } else { |
| 383 this->setTransformData(gpu, programDataManager, effectStage, e); | 105 this->setTransformData(gpu, programDataManager, effectStage, e); |
| 384 } | 106 } |
| 385 | 107 |
| 386 this->bindTextures(gpu, effect, e); | 108 this->bindTextures(gpu, effect, e); |
| 387 } | 109 } |
| 388 } | 110 } |
| 389 | 111 |
| 390 void GrGLVertexProgramEffects::setData(GrGpuGL* gpu, | |
| 391 GrGpu::DrawType drawType, | |
| 392 const GrGLProgramDataManager& programData
Manager, | |
| 393 const GrEffectStage* effectStage) { | |
| 394 SkASSERT(1 == fTransforms.count()); | |
| 395 SkASSERT(1 == fSamplers.count()); | |
| 396 SkASSERT(1 == fGLEffects.count()); | |
| 397 const GrEffect& effect = *effectStage->getEffect(); | |
| 398 fGLEffects[0]->setData(programDataManager, effect); | |
| 399 if (GrGpu::IsPathRenderingDrawType(drawType)) { | |
| 400 this->setPathTransformData(gpu, programDataManager, *effectStage, 0); | |
| 401 } else { | |
| 402 this->setTransformData(gpu, programDataManager, *effectStage, 0); | |
| 403 } | |
| 404 | |
| 405 this->bindTextures(gpu, effect, 0); | |
| 406 } | |
| 407 | |
| 408 void GrGLVertexProgramEffects::setTransformData(GrGpuGL* gpu, | 112 void GrGLVertexProgramEffects::setTransformData(GrGpuGL* gpu, |
| 409 const GrGLProgramDataManager& pd
man, | 113 const GrGLProgramDataManager& pd
man, |
| 410 const GrEffectStage& effectStage
, | 114 const GrEffectStage& effectStage
, |
| 411 int effectIdx) { | 115 int effectIdx) { |
| 412 SkTArray<Transform, true>& transforms = fTransforms[effectIdx]; | 116 SkTArray<Transform, true>& transforms = fTransforms[effectIdx]; |
| 413 int numTransforms = transforms.count(); | 117 int numTransforms = transforms.count(); |
| 414 SkASSERT(numTransforms == effectStage.getEffect()->numTransforms()); | 118 SkASSERT(numTransforms == effectStage.getEffect()->numTransforms()); |
| 415 for (int t = 0; t < numTransforms; ++t) { | 119 for (int t = 0; t < numTransforms; ++t) { |
| 416 SkASSERT(transforms[t].fHandle.isValid()); | 120 SkASSERT(transforms[t].fHandle.isValid()); |
| 417 const SkMatrix& matrix = get_transform_matrix(effectStage, fHasExplicitL
ocalCoords, t); | 121 const SkMatrix& matrix = get_transform_matrix(effectStage, fHasExplicitL
ocalCoords, t); |
| (...skipping 24 matching lines...) Expand all Loading... |
| 442 break; | 146 break; |
| 443 case kVec3f_GrSLType: | 147 case kVec3f_GrSLType: |
| 444 pdman.setProgramPathFragmentInputTransform(transforms[t].fHandle
, 3, transform); | 148 pdman.setProgramPathFragmentInputTransform(transforms[t].fHandle
, 3, transform); |
| 445 break; | 149 break; |
| 446 default: | 150 default: |
| 447 SkFAIL("Unexpected matrix type."); | 151 SkFAIL("Unexpected matrix type."); |
| 448 } | 152 } |
| 449 } | 153 } |
| 450 } | 154 } |
| 451 | 155 |
| 452 GrGLVertexProgramEffectsBuilder::GrGLVertexProgramEffectsBuilder(GrGLFullProgram
Builder* builder, | |
| 453 int reserveCoun
t) | |
| 454 : fBuilder(builder) | |
| 455 , fProgramEffects(SkNEW_ARGS(GrGLVertexProgramEffects, | |
| 456 (reserveCount, | |
| 457 fBuilder->getVertexShaderBuilder()->hasExplici
tLocalCoords()))) { | |
| 458 } | |
| 459 void GrGLVertexProgramEffectsBuilder::emitEffect(const GrEffectStage& stage, | |
| 460 const GrEffectKey& key, | |
| 461 const char* outColor, | |
| 462 const char* inColor, | |
| 463 int stageIndex) { | |
| 464 SkASSERT(fProgramEffects.get()); | |
| 465 fProgramEffects->emitEffect(fBuilder, stage, key, outColor, inColor, stageIn
dex); | |
| 466 } | |
| 467 | |
| 468 //////////////////////////////////////////////////////////////////////////////// | 156 //////////////////////////////////////////////////////////////////////////////// |
| 469 | 157 |
| 470 void GrGLPathTexGenProgramEffects::emitEffect(GrGLFragmentOnlyProgramBuilder* bu
ilder, | |
| 471 const GrEffectStage& stage, | |
| 472 const GrEffectKey& key, | |
| 473 const char* outColor, | |
| 474 const char* inColor, | |
| 475 int stageIndex) { | |
| 476 const GrEffect& effect = *stage.getEffect(); | |
| 477 SkSTArray<2, TransformedCoords> coords(effect.numTransforms()); | |
| 478 SkSTArray<4, TextureSampler> samplers(effect.numTextures()); | |
| 479 | |
| 480 SkASSERT(0 == effect.getVertexAttribs().count()); | |
| 481 this->setupPathTexGen(builder, stage, &coords); | |
| 482 this->emitSamplers(builder, effect, &samplers); | |
| 483 | |
| 484 GrGLEffect* glEffect = effect.getFactory().createGLInstance(effect); | |
| 485 fGLEffects.push_back(glEffect); | |
| 486 | |
| 487 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | |
| 488 // Enclose custom code in a block to avoid namespace conflicts | |
| 489 SkString openBrace; | |
| 490 openBrace.printf("\t{ // Stage %d: %s\n", stageIndex, glEffect->name()); | |
| 491 fsBuilder->codeAppend(openBrace.c_str()); | |
| 492 | |
| 493 SkASSERT(!glEffect->isVertexEffect()); | |
| 494 glEffect->emitCode(builder, effect, key, outColor, inColor, coords, samplers
); | |
| 495 | |
| 496 fsBuilder->codeAppend("\t}\n"); | |
| 497 } | |
| 498 | |
| 499 void GrGLPathTexGenProgramEffects::setupPathTexGen(GrGLFragmentOnlyProgramBuilde
r* builder, | |
| 500 const GrEffectStage& effectStage, | |
| 501 TransformedCoordsArray* outCoords) { | |
| 502 int numTransforms = effectStage.getEffect()->numTransforms(); | |
| 503 uint32_t totalKey = GenTransformKey(effectStage, false); | |
| 504 int texCoordIndex = builder->addTexCoordSets(numTransforms); | |
| 505 SkNEW_APPEND_TO_TARRAY(&fTransforms, Transforms, (totalKey, texCoordIndex)); | |
| 506 SkString name; | |
| 507 for (int t = 0; t < numTransforms; ++t) { | |
| 508 GrSLType type = kGeneral_MatrixType == get_matrix_type(totalKey, t) ? | |
| 509 kVec3f_GrSLType : | |
| 510 kVec2f_GrSLType; | |
| 511 name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex
++); | |
| 512 SkNEW_APPEND_TO_TARRAY(outCoords, TransformedCoords, (name, type)); | |
| 513 } | |
| 514 } | |
| 515 | |
| 516 void GrGLPathTexGenProgramEffects::setData(GrGpuGL* gpu, | 158 void GrGLPathTexGenProgramEffects::setData(GrGpuGL* gpu, |
| 517 GrGpu::DrawType, | 159 GrGpu::DrawType, |
| 518 const GrGLProgramDataManager& pdman, | 160 const GrGLProgramDataManager& pdman, |
| 519 const GrEffectStage* effectStages[])
{ | 161 const GrEffectStage* effectStages[])
{ |
| 520 int numEffects = fGLEffects.count(); | 162 int numEffects = fGLEffects.count(); |
| 521 SkASSERT(numEffects == fTransforms.count()); | 163 SkASSERT(numEffects == fTransforms.count()); |
| 522 SkASSERT(numEffects == fSamplers.count()); | 164 SkASSERT(numEffects == fSamplers.count()); |
| 523 for (int e = 0; e < numEffects; ++e) { | 165 for (int e = 0; e < numEffects; ++e) { |
| 524 const GrEffectStage& effectStage = *effectStages[e]; | 166 const GrEffectStage& effectStage = *effectStages[e]; |
| 525 const GrEffect& effect = *effectStage.getEffect(); | 167 const GrEffect& effect = *effectStage.getEffect(); |
| 526 fGLEffects[e]->setData(pdman, effect); | 168 fGLEffects[e]->setData(pdman, effect); |
| 527 this->setPathTexGenState(gpu, effectStage, e); | 169 this->setPathTexGenState(gpu, effectStage, e); |
| 528 this->bindTextures(gpu, effect, e); | 170 this->bindTextures(gpu, effect, e); |
| 529 } | 171 } |
| 530 } | 172 } |
| 531 | 173 |
| 532 void GrGLPathTexGenProgramEffects::setPathTexGenState(GrGpuGL* gpu, | 174 void GrGLPathTexGenProgramEffects::setPathTexGenState(GrGpuGL* gpu, |
| 533 const GrEffectStage& effectStage, | 175 const GrEffectStage& effectStage, |
| 534 int effectIdx) { | 176 int effectIdx) { |
| 535 uint32_t totalKey = fTransforms[effectIdx].fTransformKey; | |
| 536 int texCoordIndex = fTransforms[effectIdx].fTexCoordIndex; | 177 int texCoordIndex = fTransforms[effectIdx].fTexCoordIndex; |
| 537 int numTransforms = effectStage.getEffect()->numTransforms(); | 178 int numTransforms = effectStage.getEffect()->numTransforms(); |
| 538 for (int t = 0; t < numTransforms; ++t) { | 179 for (int t = 0; t < numTransforms; ++t) { |
| 539 switch (get_matrix_type(totalKey, t)) { | 180 const SkMatrix& transform = get_transform_matrix(effectStage, false, t); |
| 540 case kNoPersp_MatrixType: { | 181 GrGLPathRendering::PathTexGenComponents components = |
| 541 const SkMatrix& transform = get_transform_matrix(effectStage, fa
lse, t); | 182 GrGLPathRendering::kST_PathTexGenComponents; |
| 542 gpu->glPathRendering()->enablePathTexGen( | 183 if (effectStage.isPerspectiveCoordTransform(t, false)) { |
| 543 texCoordIndex++, | 184 components = GrGLPathRendering::kSTR_PathTexGenComponents; |
| 544 GrGLPathRendering::kST_PathTexGenComponents, | |
| 545 transform); | |
| 546 break; | |
| 547 } | |
| 548 case kGeneral_MatrixType: { | |
| 549 const SkMatrix& transform = get_transform_matrix(effectStage, fa
lse, t); | |
| 550 gpu->glPathRendering()->enablePathTexGen( | |
| 551 texCoordIndex++, | |
| 552 GrGLPathRendering::kSTR_PathTexGenComponents, | |
| 553 transform); | |
| 554 break; | |
| 555 } | |
| 556 default: | |
| 557 SkFAIL("Unexpected matrixs type."); | |
| 558 } | 185 } |
| 186 gpu->glPathRendering()->enablePathTexGen(texCoordIndex++, components, tr
ansform); |
| 559 } | 187 } |
| 560 } | 188 } |
| 561 | |
| 562 GrGLPathTexGenProgramEffectsBuilder::GrGLPathTexGenProgramEffectsBuilder( | |
| 563 GrGLFragmentOnlyProgramBuilder* builder, | |
| 564 int reserveCount) | |
| 565 : fBuilder(builder) | |
| 566 , fProgramEffects(SkNEW_ARGS(GrGLPathTexGenProgramEffects, (reserveCount)))
{ | |
| 567 } | |
| 568 void GrGLPathTexGenProgramEffectsBuilder::emitEffect(const GrEffectStage& stage, | |
| 569 const GrEffectKey& key, | |
| 570 const char* outColor, | |
| 571 const char* inColor, | |
| 572 int stageIndex) { | |
| 573 SkASSERT(fProgramEffects.get()); | |
| 574 fProgramEffects->emitEffect(fBuilder, stage, key, outColor, inColor, stageIn
dex); | |
| 575 } | |
| 576 | |
| OLD | NEW |