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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 GrMtlTextureRenderTarget_DEFINED
#define GrMtlTextureRenderTarget_DEFINED
#include "GrMtlRenderTarget.h"
#include "GrMtlTexture.h"
class GrMtlTextureRenderTarget: public GrMtlTexture, public GrMtlRenderTarget {
public:
static sk_sp<GrMtlTextureRenderTarget> CreateNewTextureRenderTarget(GrMtlGpu*,
SkBudgeted,
const GrSurfaceDesc&,
MTLTextureDescriptor*,
GrMipMapsStatus);
static sk_sp<GrMtlTextureRenderTarget> MakeWrappedTextureRenderTarget(GrMtlGpu*,
const GrSurfaceDesc&,
id<MTLTexture>);
protected:
void onAbandon() override {
GrMtlRenderTarget::onAbandon();
GrMtlTexture::onAbandon();
}
void onRelease() override {
GrMtlRenderTarget::onRelease();
GrMtlTexture::onRelease();
}
private:
GrMtlTextureRenderTarget(GrMtlGpu* gpu,
SkBudgeted budgeted,
const GrSurfaceDesc& desc,
id<MTLTexture> renderTexture,
id<MTLTexture> resolveTexture,
GrMipMapsStatus);
GrMtlTextureRenderTarget(GrMtlGpu* gpu,
SkBudgeted budgeted,
const GrSurfaceDesc& desc,
id<MTLTexture> renderTexture,
GrMipMapsStatus);
GrMtlTextureRenderTarget(GrMtlGpu* gpu,
const GrSurfaceDesc& desc,
id<MTLTexture> renderTexture,
id<MTLTexture> resolveTexture,
GrMipMapsStatus);
GrMtlTextureRenderTarget(GrMtlGpu* gpu,
const GrSurfaceDesc& desc,
id<MTLTexture> renderTexture,
GrMipMapsStatus);
static sk_sp<GrMtlTextureRenderTarget> Make(GrMtlGpu*,
const GrSurfaceDesc&,
id<MTLTexture> resolveTexture,
GrMipMapsStatus,
SkBudgeted budgeted,
bool isWrapped);
size_t onGpuMemorySize() const override {
// TODO: When used as render targets certain formats may actually have a larger size than
// the base format size. Check to make sure we are reporting the correct value here.
// The plus 1 is to account for the resolve texture or if not using msaa the RT itself
int numColorSamples = this->numColorSamples();
if (numColorSamples > 1) {
++numColorSamples;
}
return GrSurface::ComputeSize(this->config(), this->width(), this->height(),
numColorSamples, GrMipMapped::kNo, false);
}
};
#endif
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