| // |
| // Copyright (c) 2002-2012 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_ |
| |
| #define GL_APICALL |
| #include <GLES2/gl2.h> |
| #include <d3d9.h> |
| |
| #include "common/debug.h" |
| |
| namespace rx |
| { |
| class Renderer; |
| class SwapChain; |
| class RenderTarget; |
| class Blit; |
| |
| class TextureStorage |
| { |
| public: |
| TextureStorage() {}; |
| virtual ~TextureStorage() {}; |
| |
| virtual int getLodOffset() const = 0; |
| virtual bool isRenderTarget() const = 0; |
| virtual bool isManaged() const = 0; |
| virtual int levelCount() = 0; |
| |
| virtual RenderTarget *getRenderTarget() const = 0; |
| virtual RenderTarget *getRenderTarget(GLenum faceTarget) const = 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 unsigned int getRenderTargetSerial(GLenum target) const = 0; |
| |
| virtual int getLodOffset() const; |
| virtual bool isRenderTarget() const; |
| virtual bool isManaged() const; |
| virtual int levelCount(); |
| |
| 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, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height); |
| virtual ~TextureStorageInterface2D(); |
| |
| void generateMipmap(int level); |
| RenderTarget *getRenderTarget() const; |
| |
| virtual unsigned int getRenderTargetSerial(GLenum target) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorageInterface2D); |
| |
| const unsigned int mRenderTargetSerial; |
| }; |
| |
| class TextureStorageInterfaceCube : public TextureStorageInterface |
| { |
| public: |
| TextureStorageInterfaceCube(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size); |
| virtual ~TextureStorageInterfaceCube(); |
| |
| void generateMipmap(int face, int level); |
| RenderTarget *getRenderTarget(GLenum faceTarget) const; |
| |
| virtual unsigned int getRenderTargetSerial(GLenum target) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureStorageInterfaceCube); |
| |
| const unsigned int mFirstRenderTargetSerial; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_RENDERER_TEXTURESTORAGE_H_ |
| |