cef213c97e
Bug: skia: Change-Id: I0dbe421ebd17ef7d21fd2f4f027d2a3bdcf04b7b Reviewed-on: https://skia-review.googlesource.com/14031 Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Greg Daniel <egdaniel@google.com>
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
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/*
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* Copyright 2011 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 GrTexture_DEFINED
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#define GrTexture_DEFINED
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#include "GrSurface.h"
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#include "GrSamplerParams.h"
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#include "SkPoint.h"
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#include "SkRefCnt.h"
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class GrExternalTextureData;
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class GrTexturePriv;
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class GrTexture : virtual public GrSurface {
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public:
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GrTexture* asTexture() override { return this; }
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const GrTexture* asTexture() const override { return this; }
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/**
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* Return the native ID or handle to the texture, depending on the
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* platform. e.g. on OpenGL, return the texture ID.
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*/
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virtual GrBackendObject getTextureHandle() const = 0;
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/**
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* This function indicates that the texture parameters (wrap mode, filtering, ...) have been
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* changed externally to Skia.
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*/
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virtual void textureParamsModified() = 0;
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#ifdef SK_DEBUG
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void validate() const {
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this->INHERITED::validate();
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this->validateDesc();
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}
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#endif
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// These match the definitions in SkImage, for whence they came
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typedef void* ReleaseCtx;
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typedef void (*ReleaseProc)(ReleaseCtx);
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virtual void setRelease(ReleaseProc proc, ReleaseCtx ctx) = 0;
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/** Access methods that are only to be used within Skia code. */
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inline GrTexturePriv texturePriv();
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inline const GrTexturePriv texturePriv() const;
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protected:
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GrTexture(GrGpu*, const GrSurfaceDesc&, GrSLType samplerType,
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GrSamplerParams::FilterMode highestFilterMode, bool wasMipMapDataProvided);
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void validateDesc() const;
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virtual std::unique_ptr<GrExternalTextureData> detachBackendTexture() = 0;
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private:
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void computeScratchKey(GrScratchKey*) const override;
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size_t onGpuMemorySize() const override;
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void dirtyMipMaps(bool mipMapsDirty);
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enum MipMapsStatus {
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kNotAllocated_MipMapsStatus,
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kAllocated_MipMapsStatus,
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kValid_MipMapsStatus
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};
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GrSLType fSamplerType;
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GrSamplerParams::FilterMode fHighestFilterMode;
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MipMapsStatus fMipMapsStatus;
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int fMaxMipMapLevel;
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SkDestinationSurfaceColorMode fMipColorMode;
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friend class GrTexturePriv;
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typedef GrSurface INHERITED;
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};
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#endif
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