blob: 29482ccc63f90a154cd5bc5bc025c34721e82e22 [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 "GrContext.h"
#include "GrGeometryProcessor.h"
#include "GrInvariantOutput.h"
#include "GrMemoryPool.h"
#include "GrXferProcessor.h"
#include "SkSpinlock.h"
#if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
class GrFragmentProcessor;
class GrGeometryProcessor;
/*
* 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<GrXPFactory>*, true>*
GrProcessorTestFactory<GrXPFactory>::GetFactories() {
static SkTArray<GrProcessorTestFactory<GrXPFactory>*, 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 = 40;
static const int kGPFactoryCount = 14;
static const int kXPFactoryCount = 6;
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!");
}
}
template<>
void GrProcessorTestFactory<GrXPFactory>::VerifyFactoryCount() {
if (kXPFactoryCount != GetFactories()->count()) {
SkFAIL("Wrong number of xp factory factories!");
}
}
#endif
// We use a global pool protected by a mutex(spinlock). Chrome may use the same GrContext on
// different threads. The GrContext is not used concurrently on different threads and there is a
// memory barrier between accesses of a context on different threads. Also, there may be multiple
// GrContexts and those contexts may be in use concurrently on different threads.
namespace {
static SkSpinlock gProcessorSpinlock;
class MemoryPoolAccessor {
public:
MemoryPoolAccessor() { gProcessorSpinlock.acquire(); }
~MemoryPoolAccessor() { gProcessorSpinlock.release(); }
GrMemoryPool* pool() const {
static GrMemoryPool gPool(4096, 4096);
return &gPool;
}
};
}
int32_t GrProcessor::gCurrProcessorClassID = GrProcessor::kIllegalProcessorClassID;
///////////////////////////////////////////////////////////////////////////////
GrProcessor::~GrProcessor() {}
void GrProcessor::addTextureAccess(const GrTextureAccess* access) {
fTextureAccesses.push_back(access);
this->addGpuResource(access->getProgramTexture());
}
void GrProcessor::addBufferAccess(const GrBufferAccess* access) {
fBufferAccesses.push_back(access);
this->addGpuResource(access->getProgramBuffer());
}
void* GrProcessor::operator new(size_t size) {
return MemoryPoolAccessor().pool()->allocate(size);
}
void GrProcessor::operator delete(void* target) {
return MemoryPoolAccessor().pool()->release(target);
}
bool GrProcessor::hasSameSamplers(const GrProcessor& that) const {
if (this->numTextures() != that.numTextures() || this->numBuffers() != that.numBuffers()) {
return false;
}
for (int i = 0; i < this->numTextures(); ++i) {
if (this->textureAccess(i) != that.textureAccess(i)) {
return false;
}
}
for (int i = 0; i < this->numBuffers(); ++i) {
if (this->bufferAccess(i) != that.bufferAccess(i)) {
return false;
}
}
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// Initial static variable from GrXPFactory
int32_t GrXPFactory::gCurrXPFClassID =
GrXPFactory::kIllegalXPFClassID;