ae7d3f3992
TBR=bsalomon@google.com Change-Id: I590dcdc85fb60706c7eb06277694791dc04c9141 Reviewed-on: https://skia-review.googlesource.com/49543 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
103 lines
3.1 KiB
C++
103 lines
3.1 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 "GrSamplerState.h"
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#include "GrSurfaceProxy.h"
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class GrCaps;
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class GrResourceCache;
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class GrResourceProvider;
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class GrTextureOpList;
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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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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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bool instantiate(GrResourceProvider*) override;
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void setMipColorMode(SkDestinationSurfaceColorMode colorMode);
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GrSamplerState::Filter highestFilterMode() const;
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GrSLType imageStorageType() const {
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if (GrPixelConfigIsSint(this->config())) {
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return kIImageStorage2D_GrSLType;
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} else {
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return kImageStorage2D_GrSLType;
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}
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}
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bool isMipMapped() const { return fIsMipMapped; }
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/**
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* Return the texture proxy's unique key. It will be invalid if the proxy doesn't have one.
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*/
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const GrUniqueKey& getUniqueKey() const {
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#ifdef SK_DEBUG
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if (fTarget && fUniqueKey.isValid()) {
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SkASSERT(fTarget->getUniqueKey().isValid());
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// It is possible for a non-keyed proxy to have a uniquely keyed resource assigned to
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// it. This just means that a future user of the resource will be filling it with unique
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// data. However, if the proxy has a unique key its attached resource should also
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// have that key.
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SkASSERT(fUniqueKey == fTarget->getUniqueKey());
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}
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#endif
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return fUniqueKey;
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}
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/**
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* Internal-only helper class used for manipulations of the resource by the cache.
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*/
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class CacheAccess;
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inline CacheAccess cacheAccess();
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inline const CacheAccess cacheAccess() const;
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protected:
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friend class GrSurfaceProxy; // for ctors
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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, uint32_t flags);
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// Wrapped version
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GrTextureProxy(sk_sp<GrSurface>, GrSurfaceOrigin);
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~GrTextureProxy() override;
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SkDestinationSurfaceColorMode mipColorMode() const { return fMipColorMode; }
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sk_sp<GrSurface> createSurface(GrResourceProvider*) const override;
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private:
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bool fIsMipMapped;
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SkDestinationSurfaceColorMode fMipColorMode;
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GrUniqueKey fUniqueKey;
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GrResourceCache* fCache; // only set when fUniqueKey is valid
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size_t onUninstantiatedGpuMemorySize() const override;
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// Methods made available via GrTextureProxy::CacheAccess
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void setUniqueKey(GrResourceCache*, const GrUniqueKey&);
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void clearUniqueKey();
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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 in 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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