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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkImage_Gpu_DEFINED
#define SkImage_Gpu_DEFINED
#include "SkAtomics.h"
#include "GrTexture.h"
#include "GrGpuResourcePriv.h"
#include "SkBitmap.h"
#include "SkGr.h"
#include "SkImage_Base.h"
#include "SkImagePriv.h"
#include "SkSurface.h"
class SkImage_Gpu : public SkImage_Base {
public:
/**
* An "image" can be a subset/window into a larger texture, so we explicit take the
* width and height.
*/
SkImage_Gpu(int w, int h, uint32_t uniqueID, SkAlphaType, GrTexture*, sk_sp<SkColorSpace>,
SkBudgeted);
~SkImage_Gpu() override;
SkImageInfo onImageInfo() const override;
SkAlphaType onAlphaType() const override { return fAlphaType; }
void applyBudgetDecision() const {
if (SkBudgeted::kYes == fBudgeted) {
fTexture->resourcePriv().makeBudgeted();
} else {
fTexture->resourcePriv().makeUnbudgeted();
}
}
bool getROPixels(SkBitmap*, CachingHint) const override;
GrTexture* asTextureRef(GrContext* ctx, const GrTextureParams& params,
SkSourceGammaTreatment) const override;
sk_sp<SkImage> onMakeSubset(const SkIRect&) const override;
GrTexture* peekTexture() const override { return fTexture; }
sk_sp<GrTexture> refPinnedTexture(uint32_t* uniqueID) const override {
*uniqueID = this->uniqueID();
return sk_ref_sp(fTexture.get());
}
bool onReadPixels(const SkImageInfo&, void* dstPixels, size_t dstRowBytes,
int srcX, int srcY, CachingHint) const override;
sk_sp<SkSurface> onNewSurface(const SkImageInfo& info) const override {
return SkSurface::MakeRenderTarget(fTexture->getContext(), SkBudgeted::kNo, info);
}
private:
SkAutoTUnref<GrTexture> fTexture;
const SkAlphaType fAlphaType;
const SkBudgeted fBudgeted;
sk_sp<SkColorSpace> fColorSpace;
mutable SkAtomic<bool> fAddedRasterVersionToCache;
typedef SkImage_Base INHERITED;
};
#endif
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