| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrProcessor.h" |
| #include "GrBackendProcessorFactory.h" |
| #include "GrContext.h" |
| #include "GrCoordTransform.h" |
| #include "GrMemoryPool.h" |
| #include "SkTLS.h" |
| |
| #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| |
| /* |
| * Originally these were both in the processor unit test header, but then it seemed to cause linker |
| * problems on android. |
| */ |
| template<> |
| SkTArray<GrProcessorTestFactory<GrFragmentProcessor>*, true>* |
| GrProcessorTestFactory<GrFragmentProcessor>::GetFactories() { |
| static SkTArray<GrProcessorTestFactory<GrFragmentProcessor>*, true> gFactories; |
| return &gFactories; |
| } |
| |
| template<> |
| SkTArray<GrProcessorTestFactory<GrGeometryProcessor>*, true>* |
| GrProcessorTestFactory<GrGeometryProcessor>::GetFactories() { |
| static SkTArray<GrProcessorTestFactory<GrGeometryProcessor>*, true> gFactories; |
| return &gFactories; |
| } |
| |
| /* |
| * To ensure we always have successful static initialization, before creating from the factories |
| * we verify the count is as expected. If a new factory is added, then these numbers must be |
| * manually adjusted. |
| */ |
| static const int kFPFactoryCount = 37; |
| static const int kGPFactoryCount = 15; |
| |
| template<> |
| void GrProcessorTestFactory<GrFragmentProcessor>::VerifyFactoryCount() { |
| if (kFPFactoryCount != GetFactories()->count()) { |
| SkFAIL("Wrong number of fragment processor factories!"); |
| } |
| } |
| |
| template<> |
| void GrProcessorTestFactory<GrGeometryProcessor>::VerifyFactoryCount() { |
| if (kGPFactoryCount != GetFactories()->count()) { |
| SkFAIL("Wrong number of geometry processor factories!"); |
| } |
| } |
| |
| #endif |
| |
| namespace GrProcessorUnitTest { |
| const SkMatrix& TestMatrix(SkRandom* random) { |
| static SkMatrix gMatrices[5]; |
| static bool gOnce; |
| if (!gOnce) { |
| gMatrices[0].reset(); |
| gMatrices[1].setTranslate(SkIntToScalar(-100), SkIntToScalar(100)); |
| gMatrices[2].setRotate(SkIntToScalar(17)); |
| gMatrices[3].setRotate(SkIntToScalar(185)); |
| gMatrices[3].postTranslate(SkIntToScalar(66), SkIntToScalar(-33)); |
| gMatrices[3].postScale(SkIntToScalar(2), SK_ScalarHalf); |
| gMatrices[4].setRotate(SkIntToScalar(215)); |
| gMatrices[4].set(SkMatrix::kMPersp0, 0.00013f); |
| gMatrices[4].set(SkMatrix::kMPersp1, -0.000039f); |
| gOnce = true; |
| } |
| return gMatrices[random->nextULessThan(static_cast<uint32_t>(SK_ARRAY_COUNT(gMatrices)))]; |
| } |
| } |
| |
| class GrProcessor_Globals { |
| public: |
| static GrMemoryPool* GetTLS() { |
| return (GrMemoryPool*)SkTLS::Get(CreateTLS, DeleteTLS); |
| } |
| |
| private: |
| static void* CreateTLS() { |
| return SkNEW_ARGS(GrMemoryPool, (4096, 4096)); |
| } |
| |
| static void DeleteTLS(void* pool) { |
| SkDELETE(reinterpret_cast<GrMemoryPool*>(pool)); |
| } |
| }; |
| |
| int32_t GrBackendProcessorFactory::fCurrProcessorClassID = |
| GrBackendProcessorFactory::kIllegalProcessorClassID; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| GrProcessor::~GrProcessor() {} |
| |
| const char* GrProcessor::name() const { |
| return this->getFactory().name(); |
| } |
| |
| void GrProcessor::addTextureAccess(const GrTextureAccess* access) { |
| fTextureAccesses.push_back(access); |
| this->addGpuResource(access->getProgramTexture()); |
| } |
| |
| void* GrProcessor::operator new(size_t size) { |
| return GrProcessor_Globals::GetTLS()->allocate(size); |
| } |
| |
| void GrProcessor::operator delete(void* target) { |
| GrProcessor_Globals::GetTLS()->release(target); |
| } |
| |
| #ifdef SK_DEBUG |
| void GrProcessor::assertTexturesEqual(const GrProcessor& other) const { |
| SkASSERT(this->numTextures() == other.numTextures()); |
| for (int i = 0; i < this->numTextures(); ++i) { |
| SkASSERT(this->textureAccess(i) == other.textureAccess(i)); |
| } |
| } |
| |
| void GrProcessor::InvariantOutput::validate() const { |
| if (fIsSingleComponent) { |
| SkASSERT(0 == fValidFlags || kRGBA_GrColorComponentFlags == fValidFlags); |
| if (kRGBA_GrColorComponentFlags == fValidFlags) { |
| SkASSERT(this->colorComponentsAllEqual()); |
| } |
| } |
| |
| SkASSERT(this->validPreMulColor()); |
| |
| // If we claim that we are not using the input color we must not be modulating the input. |
| SkASSERT(fNonMulStageFound || fWillUseInputColor); |
| } |
| |
| bool GrProcessor::InvariantOutput::colorComponentsAllEqual() const { |
| unsigned colorA = GrColorUnpackA(fColor); |
| return(GrColorUnpackR(fColor) == colorA && |
| GrColorUnpackG(fColor) == colorA && |
| GrColorUnpackB(fColor) == colorA); |
| } |
| |
| bool GrProcessor::InvariantOutput::validPreMulColor() const { |
| if (kA_GrColorComponentFlag & fValidFlags) { |
| float c[4]; |
| GrColorToRGBAFloat(fColor, c); |
| if (kR_GrColorComponentFlag & fValidFlags) { |
| if (c[0] > c[3]) { |
| return false; |
| } |
| } |
| if (kG_GrColorComponentFlag & fValidFlags) { |
| if (c[1] > c[3]) { |
| return false; |
| } |
| } |
| if (kB_GrColorComponentFlag & fValidFlags) { |
| if (c[2] > c[3]) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| #endif // end DEBUG |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| void GrFragmentProcessor::addCoordTransform(const GrCoordTransform* transform) { |
| fCoordTransforms.push_back(transform); |
| SkDEBUGCODE(transform->setInProcessor();) |
| } |