blob: 79798b6b8247f8be45e1f51fc08bd349ffc83cee [file] [log] [blame]
/*
* 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);
}
bool GrProcessor::hasSameTextureAccesses(const GrProcessor& that) const {
if (this->numTextures() != that.numTextures()) {
return false;
}
for (int i = 0; i < this->numTextures(); ++i) {
if (this->textureAccess(i) != that.textureAccess(i)) {
return false;
}
}
return true;
}
#ifdef SK_DEBUG
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();)
}
bool GrFragmentProcessor::hasSameTransforms(const GrFragmentProcessor& that) const {
if (fCoordTransforms.count() != that.fCoordTransforms.count()) {
return false;
}
int count = fCoordTransforms.count();
for (int i = 0; i < count; ++i) {
if (*fCoordTransforms[i] != *that.fCoordTransforms[i]) {
return false;
}
}
return true;
}