| // |
| // 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::TextureStorageInterface class and its concrete derived |
| // classes TextureStorageInterface2D and TextureStorageInterfaceCube, which act as the interface to the |
| // GPU-side texture. |
| |
| #ifndef LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ |
| #define LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ |
| |
| #include "common/debug.h" |
| |
| 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(int level) = 0; |
| virtual RenderTarget *getRenderTargetFace(GLenum faceTarget, int level) = 0; |
| virtual RenderTarget *getRenderTargetLayer(int mipLevel, int layer) = 0; |
| virtual void generateMipmap(int level) = 0; |
| virtual void generateMipmap(int face, int level) = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorage); |
| |
| }; |
| |
| class TextureStorageInterface |
| { |
| public: |
| TextureStorageInterface(); |
| virtual ~TextureStorageInterface(); |
| |
| TextureStorage *getStorageInstance() { return mInstance; } |
| |
| unsigned int getTextureSerial() const; |
| |
| virtual int getTopLevel() const; |
| virtual bool isRenderTarget() const; |
| virtual bool isManaged() const; |
| virtual int getLevelCount() const; |
| |
| protected: |
| TextureStorage *mInstance; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorageInterface); |
| |
| const unsigned int mTextureSerial; |
| static unsigned int issueTextureSerial(); |
| |
| static unsigned int mCurrentTextureSerial; |
| }; |
| |
| class TextureStorageInterface2D : public TextureStorageInterface |
| { |
| public: |
| TextureStorageInterface2D(Renderer *renderer, SwapChain *swapchain); |
| TextureStorageInterface2D(Renderer *renderer, GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels); |
| virtual ~TextureStorageInterface2D(); |
| |
| void generateMipmap(int level); |
| RenderTarget *getRenderTarget(GLint level) const; |
| |
| unsigned int getRenderTargetSerial(GLint level) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorageInterface2D); |
| |
| unsigned int mFirstRenderTargetSerial; |
| }; |
| |
| class TextureStorageInterfaceCube : public TextureStorageInterface |
| { |
| public: |
| TextureStorageInterfaceCube(Renderer *renderer, GLenum internalformat, bool renderTarget, int size, int levels); |
| virtual ~TextureStorageInterfaceCube(); |
| |
| void generateMipmap(int faceIndex, int level); |
| RenderTarget *getRenderTarget(GLenum faceTarget, GLint level) const; |
| |
| virtual unsigned int getRenderTargetSerial(GLenum target, GLint level) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorageInterfaceCube); |
| |
| unsigned int mFirstRenderTargetSerial; |
| }; |
| |
| class TextureStorageInterface3D : public TextureStorageInterface |
| { |
| public: |
| TextureStorageInterface3D(Renderer *renderer, GLenum internalformat, bool renderTarget, |
| GLsizei width, GLsizei height, GLsizei depth, int levels); |
| virtual ~TextureStorageInterface3D(); |
| |
| void generateMipmap(int level); |
| RenderTarget *getRenderTarget(GLint level) const; |
| RenderTarget *getRenderTarget(GLint level, GLint layer) const; |
| |
| virtual unsigned int getRenderTargetSerial(GLint level, GLint layer) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorageInterface3D); |
| |
| unsigned int mFirstRenderTargetSerial; |
| }; |
| |
| class TextureStorageInterface2DArray : public TextureStorageInterface |
| { |
| public: |
| TextureStorageInterface2DArray(Renderer *renderer, GLenum internalformat, bool renderTarget, |
| GLsizei width, GLsizei height, GLsizei depth, int levels); |
| virtual ~TextureStorageInterface2DArray(); |
| |
| void generateMipmap(int level); |
| RenderTarget *getRenderTarget(GLint level, GLint layer) const; |
| |
| virtual unsigned int getRenderTargetSerial(GLint level, GLint layer) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorageInterface2DArray); |
| |
| unsigned int mFirstRenderTargetSerial; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ |