1 // 2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // TextureStorage11.h: Defines the abstract rx::TextureStorage11 class and its concrete derived 8 // classes TextureStorage11_2D and TextureStorage11_Cube, which act as the interface to the D3D11 texture. 9 10 #ifndef LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_ 11 #define LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_ 12 13 #include "libGLESv2/Texture.h" 14 #include "libGLESv2/renderer/TextureStorage.h" 15 16 namespace rx 17 { 18 class RenderTarget; 19 class RenderTarget11; 20 class Renderer; 21 class Renderer11; 22 class SwapChain11; 23 24 class TextureStorage11 : public TextureStorage 25 { 26 public: 27 TextureStorage11(Renderer *renderer, UINT bindFlags); 28 virtual ~TextureStorage11(); 29 30 static TextureStorage11 *makeTextureStorage11(TextureStorage *storage); 31 32 static DWORD GetTextureBindFlags(DXGI_FORMAT d3dfmt, GLenum glusage, bool forceRenderable); 33 static bool IsTextureFormatRenderable(DXGI_FORMAT format); 34 35 UINT getBindFlags() const; 36 37 virtual ID3D11Texture2D *getBaseTexture() const; 38 virtual ID3D11ShaderResourceView *getSRV() = 0; getRenderTarget()39 virtual RenderTarget *getRenderTarget() { return getRenderTarget(0); } getRenderTarget(int level)40 virtual RenderTarget *getRenderTarget(int level) { return NULL; } getRenderTarget(GLenum faceTarget)41 virtual RenderTarget *getRenderTarget(GLenum faceTarget) { return getRenderTarget(faceTarget, 0); } getRenderTarget(GLenum faceTarget,int level)42 virtual RenderTarget *getRenderTarget(GLenum faceTarget, int level) { return NULL; } 43 generateMipmap(int level)44 virtual void generateMipmap(int level) {}; generateMipmap(int face,int level)45 virtual void generateMipmap(int face, int level) {}; 46 47 virtual int getLodOffset() const; 48 virtual bool isRenderTarget() const; 49 virtual bool isManaged() const; 50 virtual int levelCount(); 51 UINT getSubresourceIndex(int level, int faceTarget); 52 53 bool updateSubresourceLevel(ID3D11Texture2D *texture, unsigned int sourceSubresource, int level, 54 int faceTarget, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height); 55 56 protected: 57 void generateMipmapLayer(RenderTarget11 *source, RenderTarget11 *dest); 58 59 Renderer11 *mRenderer; 60 int mLodOffset; 61 unsigned int mMipLevels; 62 63 ID3D11Texture2D *mTexture; 64 DXGI_FORMAT mTextureFormat; 65 DXGI_FORMAT mShaderResourceFormat; 66 DXGI_FORMAT mRenderTargetFormat; 67 DXGI_FORMAT mDepthStencilFormat; 68 unsigned int mTextureWidth; 69 unsigned int mTextureHeight; 70 71 ID3D11ShaderResourceView *mSRV; 72 73 private: 74 DISALLOW_COPY_AND_ASSIGN(TextureStorage11); 75 76 const UINT mBindFlags; 77 }; 78 79 class TextureStorage11_2D : public TextureStorage11 80 { 81 public: 82 TextureStorage11_2D(Renderer *renderer, SwapChain11 *swapchain); 83 TextureStorage11_2D(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height); 84 virtual ~TextureStorage11_2D(); 85 86 static TextureStorage11_2D *makeTextureStorage11_2D(TextureStorage *storage); 87 88 virtual ID3D11ShaderResourceView *getSRV(); 89 virtual RenderTarget *getRenderTarget(int level); 90 91 virtual void generateMipmap(int level); 92 93 private: 94 DISALLOW_COPY_AND_ASSIGN(TextureStorage11_2D); 95 96 RenderTarget11 *mRenderTarget[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS]; 97 }; 98 99 class TextureStorage11_Cube : public TextureStorage11 100 { 101 public: 102 TextureStorage11_Cube(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size); 103 virtual ~TextureStorage11_Cube(); 104 105 static TextureStorage11_Cube *makeTextureStorage11_Cube(TextureStorage *storage); 106 107 virtual ID3D11ShaderResourceView *getSRV(); 108 virtual RenderTarget *getRenderTarget(GLenum faceTarget, int level); 109 110 virtual void generateMipmap(int face, int level); 111 112 private: 113 DISALLOW_COPY_AND_ASSIGN(TextureStorage11_Cube); 114 115 RenderTarget11 *mRenderTarget[6][gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS]; 116 }; 117 118 } 119 120 #endif // LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_ 121