| // |
| // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // TextureStorage.h: Defines the abstract rx::TextureStorage class. |
| |
| #ifndef LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ |
| #define LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ |
| |
| #include "common/debug.h" |
| |
| #include <GLES2/gl2.h> |
| |
| namespace gl |
| { |
| struct ImageIndex; |
| } |
| |
| namespace rx |
| { |
| class Renderer; |
| class SwapChain; |
| class RenderTarget; |
| |
| class TextureStorage |
| { |
| public: |
| TextureStorage(); |
| virtual ~TextureStorage() {}; |
| |
| virtual int getTopLevel() const = 0; |
| virtual bool isRenderTarget() const = 0; |
| virtual bool isManaged() const = 0; |
| virtual int getLevelCount() const = 0; |
| |
| virtual RenderTarget *getRenderTarget(const gl::ImageIndex &index) = 0; |
| virtual void generateMipmaps() = 0; |
| |
| unsigned int getRenderTargetSerial(const gl::ImageIndex &index) const; |
| unsigned int getTextureSerial() const; |
| |
| protected: |
| void initializeSerials(unsigned int rtSerialsToReserve, unsigned int rtSerialsLayerStride); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorage); |
| |
| const unsigned int mTextureSerial; |
| static unsigned int issueTextureSerial(); |
| |
| static unsigned int mCurrentTextureSerial; |
| |
| unsigned int mFirstRenderTargetSerial; |
| unsigned int mRenderTargetSerialsLayerStride; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ |