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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrMockGpu_DEFINED
#define GrMockGpu_DEFINED
#include "GrGpu.h"
#include "GrRenderTarget.h"
#include "GrSemaphore.h"
#include "GrTexture.h"
#include "SkTHash.h"
class GrMockGpuCommandBuffer;
struct GrMockOptions;
class GrPipeline;
class GrMockGpu : public GrGpu {
public:
static GrGpu* Create(GrBackendContext, const GrContextOptions&, GrContext*);
static GrGpu* Create(const GrMockOptions*, const GrContextOptions&, GrContext*);
~GrMockGpu() override {}
bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes,
GrPixelConfig readConfig, DrawPreference*,
ReadPixelTempDrawInfo*) override { return true; }
bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
GrPixelConfig srcConfig, DrawPreference*,
WritePixelTempDrawInfo*) override { return true; }
bool onCopySurface(GrSurface* dst,
GrSurface* src,
const SkIRect& srcRect,
const SkIPoint& dstPoint) override { return true; }
void onQueryMultisampleSpecs(GrRenderTarget* rt, const GrStencilSettings&,
int* effectiveSampleCnt, SamplePattern*) override {
*effectiveSampleCnt = rt->numStencilSamples();
}
GrGpuCommandBuffer* createCommandBuffer(const GrGpuCommandBuffer::LoadAndStoreInfo&,
const GrGpuCommandBuffer::LoadAndStoreInfo&) override;
GrFence SK_WARN_UNUSED_RESULT insertFence() override { return 0; }
bool waitFence(GrFence, uint64_t) override { return true; }
void deleteFence(GrFence) const override {}
sk_sp<GrSemaphore> SK_WARN_UNUSED_RESULT makeSemaphore(bool isOwned) override {
return nullptr;
}
sk_sp<GrSemaphore> wrapBackendSemaphore(const GrBackendSemaphore& semaphore,
GrWrapOwnership ownership) override { return nullptr; }
void insertSemaphore(sk_sp<GrSemaphore> semaphore, bool flush) override {}
void waitSemaphore(sk_sp<GrSemaphore> semaphore) override {}
sk_sp<GrSemaphore> prepareTextureForCrossContextUsage(GrTexture*) override { return nullptr; }
void submitCommandBuffer(const GrMockGpuCommandBuffer*);
private:
GrMockGpu(GrContext* context, const GrMockOptions&, const GrContextOptions&);
void onResetContext(uint32_t resetBits) override {}
void xferBarrier(GrRenderTarget*, GrXferBarrierType) override {}
sk_sp<GrTexture> onCreateTexture(const GrSurfaceDesc&, SkBudgeted,
const GrMipLevel texels[], int mipLevelCount) override;
sk_sp<GrTexture> onWrapBackendTexture(const GrBackendTexture&,
GrSurfaceOrigin,
GrWrapOwnership) override {
return nullptr;
}
sk_sp<GrTexture> onWrapRenderableBackendTexture(const GrBackendTexture&,
GrSurfaceOrigin,
int sampleCnt,
GrWrapOwnership) override {
return nullptr;
}
sk_sp<GrRenderTarget> onWrapBackendRenderTarget(const GrBackendRenderTarget&,
GrSurfaceOrigin) override {
return nullptr;
}
sk_sp<GrRenderTarget> onWrapBackendTextureAsRenderTarget(const GrBackendTexture&,
GrSurfaceOrigin,
int sampleCnt) override {
return nullptr;
}
GrBuffer* onCreateBuffer(size_t sizeInBytes, GrBufferType, GrAccessPattern,
const void*) override;
gr_instanced::InstancedRendering* onCreateInstancedRendering() override { return nullptr; }
bool onReadPixels(GrSurface* surface,
int left, int top, int width, int height,
GrPixelConfig,
void* buffer,
size_t rowBytes) override {
return true;
}
bool onWritePixels(GrSurface* surface,
int left, int top, int width, int height,
GrPixelConfig config,
const GrMipLevel texels[], int mipLevelCount) override {
return true;
}
bool onTransferPixels(GrTexture* texture,
int left, int top, int width, int height,
GrPixelConfig config, GrBuffer* transferBuffer,
size_t offset, size_t rowBytes) override {
return true;
}
void onResolveRenderTarget(GrRenderTarget* target) override { return; }
GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget*,
int width,
int height) override;
void clearStencil(GrRenderTarget* target) override {}
GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h, GrPixelConfig,
bool isRT) override;
bool isTestingOnlyBackendTexture(GrBackendObject) const override;
void deleteTestingOnlyBackendTexture(GrBackendObject, bool abandonTexture) override;
static int NextInternalTextureID();
static int NextExternalTextureID();
SkTHashSet<int> fOutstandingTestingOnlyTextureIDs;
typedef GrGpu INHERITED;
};
#endif
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