9113edfff8
This CL also centralizes the instantiation code in GrSurfaceProxy and adds a test. GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4494 Change-Id: I0081d9a216dc0af293179f23bcb88acf6a822324 Reviewed-on: https://skia-review.googlesource.com/4494 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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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 GrCaps;
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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 : virtual 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 GrCaps&, GrTextureProvider*, const GrSurfaceDesc&,
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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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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*);
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protected:
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// Deferred version
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GrTextureProxy(const GrSurfaceDesc& srcDesc, SkBackingFit, SkBudgeted,
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const void* srcData, size_t srcRowBytes);
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// Wrapped version
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GrTextureProxy(sk_sp<GrTexture> tex);
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private:
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size_t onGpuMemorySize() const override;
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// For wrapped proxies the GrTexture pointer is stored in GrIORefProxy.
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// For deferred proxies that pointer will be filled n when we need to instantiate
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// the deferred resource
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typedef GrSurfaceProxy INHERITED;
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};
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#endif
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