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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkImage_GpuBase_DEFINED
#define SkImage_GpuBase_DEFINED
#include "GrBackendSurface.h"
#include "GrContext.h"
#include "GrTypesPriv.h"
#include "SkDeferredDisplayListRecorder.h"
#include "SkImage_Base.h"
#include "SkYUVAIndex.h"
class GrColorSpaceXform;
class SkColorSpace;
class SkImage_GpuBase : public SkImage_Base {
public:
SkImage_GpuBase(sk_sp<GrContext>, int width, int height, uint32_t uniqueID, SkColorType,
SkAlphaType, sk_sp<SkColorSpace>);
~SkImage_GpuBase() override;
GrContext* context() const final { return fContext.get(); }
bool getROPixels(SkBitmap*, CachingHint) const final;
sk_sp<SkImage> onMakeSubset(GrRecordingContext*, const SkIRect& subset) const final;
bool onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRB,
int srcX, int srcY, CachingHint) const override;
sk_sp<GrTextureProxy> asTextureProxyRef(GrRecordingContext* context) const override {
// we shouldn't end up calling this
SkASSERT(false);
return this->INHERITED::asTextureProxyRef(context);
}
sk_sp<GrTextureProxy> asTextureProxyRef(GrRecordingContext*, const GrSamplerState&,
SkScalar scaleAdjust[2]) const final;
sk_sp<GrTextureProxy> refPinnedTextureProxy(GrRecordingContext* context,
uint32_t* uniqueID) const final {
*uniqueID = this->uniqueID();
return this->asTextureProxyRef(context);
}
GrBackendTexture onGetBackendTexture(bool flushPendingGrContextIO,
GrSurfaceOrigin* origin) const final;
GrTexture* onGetTexture() const final;
bool onIsValid(GrContext*) const final;
#if GR_TEST_UTILS
void resetContext(sk_sp<GrContext> newContext);
#endif
static bool ValidateBackendTexture(GrContext* ctx, const GrBackendTexture& tex,
GrPixelConfig* config, SkColorType ct, SkAlphaType at,
sk_sp<SkColorSpace> cs);
static bool MakeTempTextureProxies(GrContext* ctx, const GrBackendTexture yuvaTextures[],
int numTextures, const SkYUVAIndex [4],
GrSurfaceOrigin imageOrigin,
sk_sp<GrTextureProxy> tempTextureProxies[4]);
static SkAlphaType GetAlphaTypeFromYUVAIndices(const SkYUVAIndex yuvaIndices[4]) {
return -1 != yuvaIndices[SkYUVAIndex::kA_Index].fIndex ? kPremul_SkAlphaType
: kOpaque_SkAlphaType;
}
using PromiseImageTextureContext = SkDeferredDisplayListRecorder::PromiseImageTextureContext;
using PromiseImageTextureFulfillProc =
SkDeferredDisplayListRecorder::PromiseImageTextureFulfillProc;
using PromiseImageTextureReleaseProc =
SkDeferredDisplayListRecorder::PromiseImageTextureReleaseProc;
using PromiseImageTextureDoneProc = SkDeferredDisplayListRecorder::PromiseImageTextureDoneProc;
protected:
using PromiseImageApiVersion = SkDeferredDisplayListRecorder::PromiseImageApiVersion;
// Helper for making a lazy proxy for a promise image. The PromiseDoneProc we be called,
// if not null, immediately if this function fails. Othwerwise, it is installed in the
// proxy along with the TextureFulfillProc and TextureReleaseProc. PromiseDoneProc must not
// be null.
static sk_sp<GrTextureProxy> MakePromiseImageLazyProxy(
GrContext*, int width, int height, GrSurfaceOrigin, GrPixelConfig, GrBackendFormat,
GrMipMapped, PromiseImageTextureFulfillProc, PromiseImageTextureReleaseProc,
PromiseImageTextureDoneProc, PromiseImageTextureContext, PromiseImageApiVersion);
static bool RenderYUVAToRGBA(GrContext* ctx, GrRenderTargetContext* renderTargetContext,
const SkRect& rect, SkYUVColorSpace yuvColorSpace,
sk_sp<GrColorSpaceXform> colorSpaceXform,
const sk_sp<GrTextureProxy> proxies[4],
const SkYUVAIndex yuvaIndices[4]);
sk_sp<GrContext> fContext;
private:
typedef SkImage_Base INHERITED;
};
#endif