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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 GrMtlTexture_DEFINED
#define GrMtlTexture_DEFINED
#include "GrTexture.h"
#import <Metal/Metal.h>
class GrMtlGpu;
class GrMtlTexture : public GrTexture {
public:
static sk_sp<GrMtlTexture> CreateNewTexture(GrMtlGpu*, SkBudgeted budgeted,
const GrSurfaceDesc&,
MTLTextureDescriptor*,
GrMipMapsStatus);
static sk_sp<GrMtlTexture> MakeWrappedTexture(GrMtlGpu*, const GrSurfaceDesc&,
id<MTLTexture>);
~GrMtlTexture() override;
id<MTLTexture> mtlTexture() const { return fTexture; }
GrBackendTexture getBackendTexture() const override;
void textureParamsModified() override {}
bool reallocForMipmap(GrMtlGpu* gpu, uint32_t mipLevels);
void setRelease(sk_sp<GrReleaseProcHelper> releaseHelper) override {
// Since all MTLResources are inherently ref counted, we can call the Release proc when we
// delete the GrMtlTexture without worry of the MTLTexture getting deleted before it is done
// on the GPU.
fReleaseHelper = std::move(releaseHelper);
}
protected:
GrMtlTexture(GrMtlGpu*, const GrSurfaceDesc&, id<MTLTexture>, GrMipMapsStatus);
GrMtlGpu* getMtlGpu() const;
void onAbandon() override {
fTexture = nil;
}
void onRelease() override {
fTexture = nil;
}
bool onStealBackendTexture(GrBackendTexture*, SkImage::BackendTextureReleaseProc*) override {
return false;
}
private:
enum Wrapped { kWrapped };
GrMtlTexture(GrMtlGpu*, SkBudgeted, const GrSurfaceDesc&, id<MTLTexture>,
GrMipMapsStatus);
GrMtlTexture(GrMtlGpu*, Wrapped, const GrSurfaceDesc&, id<MTLTexture>, GrMipMapsStatus);
id<MTLTexture> fTexture;
sk_sp<GrReleaseProcHelper> fReleaseHelper;
typedef GrTexture INHERITED;
};
#endif
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