6a0176bf03
Bug: skia: Change-Id: I0cd11a539fd6b16d4b3f9512694f84e0a429518c Reviewed-on: https://skia-review.googlesource.com/101341 Commit-Queue: Greg Daniel <egdaniel@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com>
96 lines
3.0 KiB
C++
96 lines
3.0 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 "GrBackendSurface.h"
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#include "GrSamplerState.h"
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#include "GrSurface.h"
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#include "SkImage.h"
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#include "SkPoint.h"
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#include "SkRefCnt.h"
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#include "../private/GrTypesPriv.h"
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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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virtual GrBackendTexture getBackendTexture() 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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/**
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* This function steals the backend texture from a uniquely owned GrTexture with no pending
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* IO, passing it out to the caller. The GrTexture is deleted in the process.
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*
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* Note that if the GrTexture is not uniquely owned (no other refs), or has pending IO, this
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* function will fail.
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*/
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static bool StealBackendTexture(sk_sp<GrTexture>&&,
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GrBackendTexture*,
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SkImage::BackendTextureReleaseProc*);
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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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}
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#endif
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virtual void setRelease(sk_sp<GrReleaseProcHelper> releaseHelper) = 0;
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// These match the definitions in SkImage, from whence they came.
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// TODO: Either move Chrome over to new api or remove their need to call this on GrTexture
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typedef void* ReleaseCtx;
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typedef void (*ReleaseProc)(ReleaseCtx);
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void setRelease(ReleaseProc proc, ReleaseCtx ctx) {
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sk_sp<GrReleaseProcHelper> helper(new GrReleaseProcHelper(proc, ctx));
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this->setRelease(std::move(helper));
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}
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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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GrSamplerState::Filter highestFilterMode, GrMipMapsStatus);
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virtual bool onStealBackendTexture(GrBackendTexture*, SkImage::BackendTextureReleaseProc*) = 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 markMipMapsDirty();
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void markMipMapsClean();
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GrSLType fSamplerType;
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GrSamplerState::Filter fHighestFilterMode;
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GrMipMapsStatus 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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