michael@0: //
michael@0: // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // TextureStorage11.h: Defines the abstract rx::TextureStorage11 class and its concrete derived
michael@0: // classes TextureStorage11_2D and TextureStorage11_Cube, which act as the interface to the D3D11 texture.
michael@0: 
michael@0: #ifndef LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_
michael@0: #define LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_
michael@0: 
michael@0: #include "libGLESv2/Texture.h"
michael@0: #include "libGLESv2/renderer/TextureStorage.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: class RenderTarget;
michael@0: class RenderTarget11;
michael@0: class Renderer;
michael@0: class Renderer11;
michael@0: class SwapChain11;
michael@0: 
michael@0: class TextureStorage11 : public TextureStorage
michael@0: {
michael@0:   public:
michael@0:     TextureStorage11(Renderer *renderer, UINT bindFlags);
michael@0:     virtual ~TextureStorage11();
michael@0: 
michael@0:     static TextureStorage11 *makeTextureStorage11(TextureStorage *storage);
michael@0: 
michael@0:     static DWORD GetTextureBindFlags(DXGI_FORMAT d3dfmt, GLenum glusage, bool forceRenderable);
michael@0:     static bool IsTextureFormatRenderable(DXGI_FORMAT format);
michael@0: 
michael@0:     UINT getBindFlags() const;
michael@0: 
michael@0:     virtual ID3D11Texture2D *getBaseTexture() const;
michael@0:     virtual ID3D11ShaderResourceView *getSRV() = 0;
michael@0:     virtual RenderTarget *getRenderTarget() { return getRenderTarget(0); }
michael@0:     virtual RenderTarget *getRenderTarget(int level) { return NULL; }
michael@0:     virtual RenderTarget *getRenderTarget(GLenum faceTarget) { return getRenderTarget(faceTarget, 0); }
michael@0:     virtual RenderTarget *getRenderTarget(GLenum faceTarget, int level) { return NULL; }
michael@0: 
michael@0:     virtual void generateMipmap(int level) {};
michael@0:     virtual void generateMipmap(int face, int level) {};
michael@0: 
michael@0:     virtual int getLodOffset() const;
michael@0:     virtual bool isRenderTarget() const;
michael@0:     virtual bool isManaged() const;
michael@0:     virtual int levelCount();
michael@0:     UINT getSubresourceIndex(int level, int faceTarget);
michael@0: 
michael@0:     bool updateSubresourceLevel(ID3D11Texture2D *texture, unsigned int sourceSubresource, int level,
michael@0:                                 int faceTarget, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
michael@0: 
michael@0:   protected:
michael@0:     void generateMipmapLayer(RenderTarget11 *source, RenderTarget11 *dest);
michael@0: 
michael@0:     Renderer11 *mRenderer;
michael@0:     int mLodOffset;
michael@0:     unsigned int mMipLevels;
michael@0: 
michael@0:     ID3D11Texture2D *mTexture;
michael@0:     DXGI_FORMAT mTextureFormat;
michael@0:     DXGI_FORMAT mShaderResourceFormat;
michael@0:     DXGI_FORMAT mRenderTargetFormat;
michael@0:     DXGI_FORMAT mDepthStencilFormat;
michael@0:     unsigned int mTextureWidth;
michael@0:     unsigned int mTextureHeight;
michael@0: 
michael@0:     ID3D11ShaderResourceView *mSRV;
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(TextureStorage11);
michael@0: 
michael@0:     const UINT mBindFlags;
michael@0: };
michael@0: 
michael@0: class TextureStorage11_2D : public TextureStorage11
michael@0: {
michael@0:   public:
michael@0:     TextureStorage11_2D(Renderer *renderer, SwapChain11 *swapchain);
michael@0:     TextureStorage11_2D(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height);
michael@0:     virtual ~TextureStorage11_2D();
michael@0: 
michael@0:     static TextureStorage11_2D *makeTextureStorage11_2D(TextureStorage *storage);
michael@0: 
michael@0:     virtual ID3D11ShaderResourceView *getSRV();
michael@0:     virtual RenderTarget *getRenderTarget(int level);
michael@0: 
michael@0:     virtual void generateMipmap(int level);
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(TextureStorage11_2D);
michael@0: 
michael@0:     RenderTarget11 *mRenderTarget[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
michael@0: };
michael@0: 
michael@0: class TextureStorage11_Cube : public TextureStorage11
michael@0: {
michael@0:   public:
michael@0:     TextureStorage11_Cube(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size);
michael@0:     virtual ~TextureStorage11_Cube();
michael@0: 
michael@0:     static TextureStorage11_Cube *makeTextureStorage11_Cube(TextureStorage *storage);
michael@0: 
michael@0:     virtual ID3D11ShaderResourceView *getSRV();
michael@0:     virtual RenderTarget *getRenderTarget(GLenum faceTarget, int level);
michael@0: 
michael@0:     virtual void generateMipmap(int face, int level);
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(TextureStorage11_Cube);
michael@0: 
michael@0:     RenderTarget11 *mRenderTarget[6][gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif // LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_