50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GrTextureProxy_DEFINED
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#define GrTextureProxy_DEFINED
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#include "GrSurfaceProxy.h"
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#include "GrTexture.h"
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class GrTextureProvider;
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// This class delays the acquisition of textures until they are actually required
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class GrTextureProxy : public GrSurfaceProxy {
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public:
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// TODO: need to refine ownership semantics of 'srcData' if we're in completely
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// deferred mode
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static sk_sp<GrTextureProxy> Make(const GrSurfaceDesc&, SkBackingFit, SkBudgeted,
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const void* srcData = nullptr, size_t rowBytes = 0);
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static sk_sp<GrTextureProxy> Make(sk_sp<GrTexture>);
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// TODO: add asRenderTargetProxy variants
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GrTextureProxy* asTextureProxy() override { return this; }
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const GrTextureProxy* asTextureProxy() const override { return this; }
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// Actually instantiate the backing texture, if necessary
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GrTexture* instantiate(GrTextureProvider* texProvider);
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private:
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GrTextureProxy(const GrSurfaceDesc& desc, SkBackingFit fit, SkBudgeted budgeted,
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const void* /*srcData*/, size_t /*rowBytes*/)
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: INHERITED(desc, fit, budgeted) {
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// TODO: Handle 'srcData' here
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}
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// Wrapped version
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GrTextureProxy(sk_sp<GrTexture> tex);
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// For wrapped textures we store it here.
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// For deferred proxies we will fill this in when we need to instantiate the deferred resource
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sk_sp<GrTexture> fTexture;
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typedef GrSurfaceProxy INHERITED;
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};
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#endif
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