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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 "GrContext.h"
#include "GrCustomStage.h"
#include "GrMemoryPool.h"
#include "SkString.h"
#include "SkTLS.h"
SK_DEFINE_INST_COUNT(GrCustomStage)
class GrCustomStage_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 GrProgramStageFactory::fCurrStageClassID =
GrProgramStageFactory::kIllegalStageClassID;
GrTextureAccess::GrTextureAccess(const GrTexture* texture, const SkString& swizzle)
: fTexture(texture) {
GrAssert(swizzle.size() <= 4);
for (unsigned int offset = 0; offset < swizzle.size(); ++offset) {
fSwizzle[offset] = swizzle[offset];
}
if (swizzle.size() < 4) {
fSwizzle[swizzle.size()] = 0;
}
}
GrCustomStage::GrCustomStage() {
}
GrCustomStage::~GrCustomStage() {
}
bool GrCustomStage::isOpaque(bool inputTextureIsOpaque) const {
return false;
}
bool GrCustomStage::isEqual(const GrCustomStage& s) const {
if (this->numTextures() != s.numTextures()) {
return false;
}
for (unsigned int i = 0; i < this->numTextures(); ++i) {
if (this->texture(i) != s.texture(i)) {
return false;
}
}
return true;
}
unsigned int GrCustomStage::numTextures() const {
return 0;
}
GrTexture* GrCustomStage::texture(unsigned int index) const {
return NULL;
}
const GrTextureAccess* GrCustomStage::textureAccess(unsigned int index) const {
return NULL;
}
void * GrCustomStage::operator new(size_t size) {
return GrCustomStage_Globals::GetTLS()->allocate(size);
}
void GrCustomStage::operator delete(void* target) {
GrCustomStage_Globals::GetTLS()->release(target);
}
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