| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #ifndef GrGLTexture_DEFINED |
| #define GrGLTexture_DEFINED |
| |
| #include "GrGpu.h" |
| #include "GrTexture.h" |
| #include "GrGLUtil.h" |
| |
| class GrGLGpu; |
| |
| class GrGLTexture : public GrTexture { |
| |
| public: |
| struct TexParams { |
| GrGLenum fMinFilter; |
| GrGLenum fMagFilter; |
| GrGLenum fWrapS; |
| GrGLenum fWrapT; |
| GrGLenum fMaxMipMapLevel; |
| GrGLenum fSwizzleRGBA[4]; |
| GrGLenum fSRGBDecode; |
| void invalidate() { memset(this, 0xff, sizeof(TexParams)); } |
| }; |
| |
| struct IDDesc { |
| GrGLTextureInfo fInfo; |
| GrGpuResource::LifeCycle fLifeCycle; |
| }; |
| |
| GrGLTexture(GrGLGpu*, const GrSurfaceDesc&, const IDDesc&); |
| GrGLTexture(GrGLGpu*, const GrSurfaceDesc&, const IDDesc&, bool wasMipMapDataProvided); |
| |
| GrBackendObject getTextureHandle() const override; |
| |
| void textureParamsModified() override { fTexParams.invalidate(); } |
| |
| // These functions are used to track the texture parameters associated with the texture. |
| const TexParams& getCachedTexParams(GrGpu::ResetTimestamp* timestamp) const { |
| *timestamp = fTexParamsTimestamp; |
| return fTexParams; |
| } |
| |
| void setCachedTexParams(const TexParams& texParams, |
| GrGpu::ResetTimestamp timestamp) { |
| fTexParams = texParams; |
| fTexParamsTimestamp = timestamp; |
| } |
| |
| GrGLuint textureID() const { return fInfo.fID; } |
| |
| GrGLenum target() const { return fInfo.fTarget; } |
| |
| protected: |
| // The public constructor registers this object with the cache. However, only the most derived |
| // class should register with the cache. This constructor does not do the registration and |
| // rather moves that burden onto the derived class. |
| enum Derived { kDerived }; |
| GrGLTexture(GrGLGpu*, const GrSurfaceDesc&, const IDDesc&, Derived); |
| |
| void init(const GrSurfaceDesc&, const IDDesc&); |
| |
| void onAbandon() override; |
| void onRelease() override; |
| void setMemoryBacking(SkTraceMemoryDump* traceMemoryDump, |
| const SkString& dumpName) const override; |
| |
| private: |
| TexParams fTexParams; |
| GrGpu::ResetTimestamp fTexParamsTimestamp; |
| // Holds the texture target and ID. A pointer to this may be shared to external clients for |
| // direct interaction with the GL object. |
| GrGLTextureInfo fInfo; |
| |
| // We track this separately from GrGpuResource because this may be both a texture and a render |
| // target, and the texture may be wrapped while the render target is not. |
| LifeCycle fTextureIDLifecycle; |
| |
| typedef GrTexture INHERITED; |
| }; |
| |
| #endif |