| |
| /* |
| * 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 GrTexture_DEFINED |
| #define GrTexture_DEFINED |
| |
| #include "GrSurface.h" |
| #include "GrTextureParams.h" |
| #include "SkPoint.h" |
| #include "SkRefCnt.h" |
| |
| class GrTexturePriv; |
| |
| class GrTexture : virtual public GrSurface { |
| public: |
| GrTexture* asTexture() override { return this; } |
| const GrTexture* asTexture() const override { return this; } |
| |
| /** |
| * Return the native ID or handle to the texture, depending on the |
| * platform. e.g. on OpenGL, return the texture ID. |
| */ |
| virtual GrBackendObject getTextureHandle() const = 0; |
| |
| /** |
| * This function indicates that the texture parameters (wrap mode, filtering, ...) have been |
| * changed externally to Skia. |
| */ |
| virtual void textureParamsModified() = 0; |
| |
| #ifdef SK_DEBUG |
| void validate() const { |
| this->INHERITED::validate(); |
| this->validateDesc(); |
| } |
| #endif |
| |
| /** Access methods that are only to be used within Skia code. */ |
| inline GrTexturePriv texturePriv(); |
| inline const GrTexturePriv texturePriv() const; |
| |
| protected: |
| GrTexture(GrGpu*, const GrSurfaceDesc&, GrSLType samplerType, |
| GrTextureParams::FilterMode highestFilterMode, bool wasMipMapDataProvided); |
| |
| void validateDesc() const; |
| |
| private: |
| void computeScratchKey(GrScratchKey*) const override; |
| size_t onGpuMemorySize() const override; |
| void dirtyMipMaps(bool mipMapsDirty); |
| |
| enum MipMapsStatus { |
| kNotAllocated_MipMapsStatus, |
| kAllocated_MipMapsStatus, |
| kValid_MipMapsStatus |
| }; |
| |
| GrSLType fSamplerType; |
| GrTextureParams::FilterMode fHighestFilterMode; |
| MipMapsStatus fMipMapsStatus; |
| int fMaxMipMapLevel; |
| SkSourceGammaTreatment fGammaTreatment; |
| friend class GrTexturePriv; |
| |
| typedef GrSurface INHERITED; |
| }; |
| |
| #endif |