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/*
* 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 "GrMemoryPool.h"
#include "GrSamplerState.h"
#include "GrTextureProxy.h"
#include "GrXferProcessor.h"
#include "SkSpinlock.h"
#if GR_TEST_UTILS
GrResourceProvider* GrProcessorTestData::resourceProvider() {
return fContext->resourceProvider();
}
const GrCaps* GrProcessorTestData::caps() {
return fContext->caps();
}
#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<GrFragmentProcessorTestFactory*, true>* GrFragmentProcessorTestFactory::GetFactories() {
static SkTArray<GrFragmentProcessorTestFactory*, true> gFactories;
return &gFactories;
}
template <>
SkTArray<GrGeometryProcessorTestFactory*, true>* GrGeometryProcessorTestFactory::GetFactories() {
static SkTArray<GrGeometryProcessorTestFactory*, true> gFactories;
return &gFactories;
}
SkTArray<GrXPFactoryTestFactory*, true>* GrXPFactoryTestFactory::GetFactories() {
static SkTArray<GrXPFactoryTestFactory*, 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 = 42;
static const int kGPFactoryCount = 14;
static const int kXPFactoryCount = 4;
template <>
void GrFragmentProcessorTestFactory::VerifyFactoryCount() {
if (kFPFactoryCount != GetFactories()->count()) {
SkDebugf("\nExpected %d fragment processor factories, found %d.\n",
kFPFactoryCount, GetFactories()->count());
SK_ABORT("Wrong number of fragment processor factories!");
}
}
template <>
void GrGeometryProcessorTestFactory::VerifyFactoryCount() {
if (kGPFactoryCount != GetFactories()->count()) {
SkDebugf("\nExpected %d geometry processor factories, found %d.\n",
kGPFactoryCount, GetFactories()->count());
SK_ABORT("Wrong number of geometry processor factories!");
}
}
void GrXPFactoryTestFactory::VerifyFactoryCount() {
if (kXPFactoryCount != GetFactories()->count()) {
SkDebugf("\nExpected %d xp factory factories, found %d.\n",
kXPFactoryCount, GetFactories()->count());
SK_ABORT("Wrong number of xp factory factories!");
}
}
#endif
#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 {
#if !defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
static SkSpinlock gProcessorSpinlock;
#endif
class MemoryPoolAccessor {
public:
// We know in the Android framework there is only one GrContext.
#if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
MemoryPoolAccessor() {}
~MemoryPoolAccessor() {}
#else
MemoryPoolAccessor() { gProcessorSpinlock.acquire(); }
~MemoryPoolAccessor() { gProcessorSpinlock.release(); }
#endif
GrMemoryPool* pool() const {
static GrMemoryPool gPool(4096, 4096);
return &gPool;
}
};
}
///////////////////////////////////////////////////////////////////////////////
void* GrProcessor::operator new(size_t size) { return MemoryPoolAccessor().pool()->allocate(size); }
void GrProcessor::operator delete(void* target) {
return MemoryPoolAccessor().pool()->release(target);
}
///////////////////////////////////////////////////////////////////////////////
void GrResourceIOProcessor::addTextureSampler(const TextureSampler* access) {
fTextureSamplers.push_back(access);
}
void GrResourceIOProcessor::addBufferAccess(const BufferAccess* access) {
fBufferAccesses.push_back(access);
}
void GrResourceIOProcessor::addPendingIOs() const {
for (const auto& sampler : fTextureSamplers) {
sampler->programProxy()->markPendingIO();
}
for (const auto& buffer : fBufferAccesses) {
buffer->programBuffer()->markPendingIO();
}
}
void GrResourceIOProcessor::removeRefs() const {
for (const auto& sampler : fTextureSamplers) {
sampler->programProxy()->removeRef();
}
for (const auto& buffer : fBufferAccesses) {
buffer->programBuffer()->removeRef();
}
}
void GrResourceIOProcessor::pendingIOComplete() const {
for (const auto& sampler : fTextureSamplers) {
sampler->programProxy()->pendingIOComplete();
}
for (const auto& buffer : fBufferAccesses) {
buffer->programBuffer()->pendingIOComplete();
}
}
bool GrResourceIOProcessor::instantiate(GrResourceProvider* resourceProvider) const {
for (const auto& sampler : fTextureSamplers) {
if (!sampler->instantiate(resourceProvider)) {
return false;
}
}
// MDB TODO: instantiate 'fBufferAccesses' here as well
return true;
}
bool GrResourceIOProcessor::hasSameSamplersAndAccesses(const GrResourceIOProcessor& that) const {
if (this->numTextureSamplers() != that.numTextureSamplers() ||
this->numBuffers() != that.numBuffers()) {
return false;
}
for (int i = 0; i < this->numTextureSamplers(); ++i) {
if (this->textureSampler(i) != that.textureSampler(i)) {
return false;
}
}
for (int i = 0; i < this->numBuffers(); ++i) {
if (this->bufferAccess(i) != that.bufferAccess(i)) {
return false;
}
}
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
GrResourceIOProcessor::TextureSampler::TextureSampler() {}
GrResourceIOProcessor::TextureSampler::TextureSampler(sk_sp<GrTextureProxy> proxy,
const GrSamplerState& samplerState) {
this->reset(std::move(proxy), samplerState);
}
GrResourceIOProcessor::TextureSampler::TextureSampler(sk_sp<GrTextureProxy> proxy,
GrSamplerState::Filter filterMode,
GrSamplerState::WrapMode wrapXAndY,
GrShaderFlags visibility) {
this->reset(std::move(proxy), filterMode, wrapXAndY, visibility);
}
void GrResourceIOProcessor::TextureSampler::reset(sk_sp<GrTextureProxy> proxy,
const GrSamplerState& samplerState,
GrShaderFlags visibility) {
fSamplerState = samplerState;
fProxyRef.setProxy(std::move(proxy), kRead_GrIOType);
fSamplerState.setFilterMode(SkTMin(samplerState.filter(), this->proxy()->highestFilterMode()));
fVisibility = visibility;
}
void GrResourceIOProcessor::TextureSampler::reset(sk_sp<GrTextureProxy> proxy,
GrSamplerState::Filter filterMode,
GrSamplerState::WrapMode wrapXAndY,
GrShaderFlags visibility) {
fProxyRef.setProxy(std::move(proxy), kRead_GrIOType);
filterMode = SkTMin(filterMode, this->proxy()->highestFilterMode());
fSamplerState = GrSamplerState(wrapXAndY, filterMode);
fVisibility = visibility;
}
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