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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 GrMtlGpu_DEFINED
#define GrMtlGpu_DEFINED
#include "GrGpu.h"
#include "GrRenderTarget.h"
#include "GrSemaphore.h"
#include "GrTexture.h"
#include "GrMtlCaps.h"
#import <Metal/Metal.h>
class GrSemaphore;
struct GrMtlBackendContext;
class GrMtlGpu : public GrGpu {
public:
static sk_sp<GrGpu> Make(GrContext* context, const GrContextOptions& options,
id<MTLDevice> device, id<MTLCommandQueue> queue);
~GrMtlGpu() override {}
const GrMtlCaps& mtlCaps() const { return *fMtlCaps.get(); }
id<MTLDevice> device() const { return fDevice; }
bool onGetReadPixelsInfo(GrSurface* srcSurface, GrSurfaceOrigin origin,
int readWidth, int readHeight, size_t rowBytes,
GrPixelConfig readConfig, DrawPreference*,
ReadPixelTempDrawInfo*) override { return false; }
bool onGetWritePixelsInfo(GrSurface* dstSurface, GrSurfaceOrigin dstOrigin,
int width, int height,
GrPixelConfig srcConfig, DrawPreference*,
WritePixelTempDrawInfo*) override { return false; }
bool onCopySurface(GrSurface* dst, GrSurfaceOrigin dstOrigin,
GrSurface* src, GrSurfaceOrigin srcOrigin,
const SkIRect& srcRect,
const SkIPoint& dstPoint) override { return false; }
void onQueryMultisampleSpecs(GrRenderTarget*, GrSurfaceOrigin, const GrStencilSettings&,
int* effectiveSampleCnt, SamplePattern*) override {}
GrGpuRTCommandBuffer* createCommandBuffer(
GrRenderTarget*, GrSurfaceOrigin,
const GrGpuRTCommandBuffer::LoadAndStoreInfo&,
const GrGpuRTCommandBuffer::StencilLoadAndStoreInfo&) override {
return nullptr;
}
GrGpuTextureCommandBuffer* createCommandBuffer(GrTexture*, GrSurfaceOrigin) override {
return nullptr;
}
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; }
private:
GrMtlGpu(GrContext* context, const GrContextOptions& options,
id<MTLDevice> device, id<MTLCommandQueue> queue, MTLFeatureSet featureSet);
void onResetContext(uint32_t resetBits) override {}
void xferBarrier(GrRenderTarget*, GrXferBarrierType) override {}
sk_sp<GrTexture> onCreateTexture(const GrSurfaceDesc& desc, SkBudgeted budgeted,
const GrMipLevel texels[], int mipLevelCount) override;
sk_sp<GrTexture> onWrapBackendTexture(const GrBackendTexture&, GrWrapOwnership) override {
return nullptr;
}
sk_sp<GrTexture> onWrapRenderableBackendTexture(const GrBackendTexture&,
int sampleCnt,
GrWrapOwnership) override {
return nullptr;
}
sk_sp<GrRenderTarget> onWrapBackendRenderTarget(const GrBackendRenderTarget&) override {
return nullptr;
}
sk_sp<GrRenderTarget> onWrapBackendTextureAsRenderTarget(const GrBackendTexture&,
int sampleCnt) override {
return nullptr;
}
GrBuffer* onCreateBuffer(size_t, GrBufferType, GrAccessPattern, const void*) override {
return nullptr;
}
gr_instanced::InstancedRendering* onCreateInstancedRendering() override { return nullptr; }
bool onReadPixels(GrSurface* surface, GrSurfaceOrigin,
int left, int top, int width, int height,
GrPixelConfig,
void* buffer,
size_t rowBytes) override {
return false;
}
bool onWritePixels(GrSurface* surface, GrSurfaceOrigin,
int left, int top, int width, int height,
GrPixelConfig config,
const GrMipLevel texels[], int mipLevelCount) override {
return false;
}
bool onTransferPixels(GrTexture* texture,
int left, int top, int width, int height,
GrPixelConfig config, GrBuffer* transferBuffer,
size_t offset, size_t rowBytes) override {
return false;
}
void onResolveRenderTarget(GrRenderTarget* target, GrSurfaceOrigin) override { return; }
void onFinishFlush(bool insertedSemaphores) override {}
GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget*,
int width,
int height) override {
return nullptr;
}
void clearStencil(GrRenderTarget* target, int clearValue) override {}
GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h,
GrPixelConfig config, bool isRT,
GrMipMapped) override {
return 0;
}
bool isTestingOnlyBackendTexture(GrBackendObject ) const override { return false; }
void deleteTestingOnlyBackendTexture(GrBackendObject, bool abandonTexture) override {}
sk_sp<GrMtlCaps> fMtlCaps;
id<MTLDevice> fDevice;
id<MTLCommandQueue> fQueue;
typedef GrGpu INHERITED;
};
#endif
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