kc3-lang/angle/src/libGLESv2/renderer/TextureStorage.h

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• Hash : 8614fbac
  Author :
  Date : 2012-11-28T19:40:02
  

  Adds RenderTarget pointer to TextureStorage.
  
  TRAC #22094
  
  Signed-off-by: Nicolas Capens
  Signed-off-by: Daniel Koch
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1447 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/renderer/TextureStorage.h

• //
  // 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::TextureStorage class and its concrete derived
  // classes TextureStorage2D and TextureStorageCubeMap, which act as the interface to the
  // D3D-side texture.
  
  #ifndef LIBGLESV2_TEXTURESTORAGE_H_
  #define LIBGLESV2_TEXTURESTORAGE_H_
  
  #define GL_APICALL
  #include <GLES2/gl2.h>
  #include <d3d9.h>
  
  #include "common/debug.h"
  
  namespace rx
  {
  class Renderer9;
  class SwapChain9;
  class RenderTarget;
  class RenderTarget9;
  class Blit;
  
  class TextureStorage
  {
    public:
      TextureStorage(rx::Renderer9 *renderer, DWORD usage);
  
      virtual ~TextureStorage();
  
      static DWORD GetTextureUsage(D3DFORMAT d3dfmt, GLenum glusage, bool forceRenderable);
      static bool IsTextureFormatRenderable(D3DFORMAT format);
  
      bool isRenderTarget() const;
      bool isManaged() const;
      D3DPOOL getPool() const;
      DWORD getUsage() const;
      unsigned int getTextureSerial() const;
      virtual IDirect3DBaseTexture9 *getBaseTexture() const = 0;
      virtual unsigned int getRenderTargetSerial(GLenum target) const = 0;
      int getLodOffset() const;
      int levelCount();
  
    protected:
      int mLodOffset;
      rx::Renderer9 *mRenderer;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureStorage);
  
      const DWORD mD3DUsage;
      const D3DPOOL mD3DPool;
  
      const unsigned int mTextureSerial;
      static unsigned int issueTextureSerial();
  
      static unsigned int mCurrentTextureSerial;
  };
  
  class TextureStorage2D : public TextureStorage
  {
    public:
      explicit TextureStorage2D(rx::Renderer9 *renderer, rx::SwapChain9 *swapchain);
      TextureStorage2D(rx::Renderer9 *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height);
  
      virtual ~TextureStorage2D();
  
      IDirect3DSurface9 *getSurfaceLevel(int level, bool dirty);
      RenderTarget *getRenderTarget() const;
      virtual IDirect3DBaseTexture9 *getBaseTexture() const;
      void generateMipmap(int level);
  
      virtual unsigned int getRenderTargetSerial(GLenum target) const;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureStorage2D);
  
      void initializeRenderTarget();
  
      IDirect3DTexture9 *mTexture;
      RenderTarget9 *mRenderTarget;
      const unsigned int mRenderTargetSerial;
  };
  
  class TextureStorageCubeMap : public TextureStorage
  {
    public:
      TextureStorageCubeMap(rx::Renderer9 *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size);
  
      virtual ~TextureStorageCubeMap();
  
      IDirect3DSurface9 *getCubeMapSurface(GLenum faceTarget, int level, bool dirty);
      RenderTarget *getRenderTarget(GLenum faceTarget) const;
      virtual IDirect3DBaseTexture9 *getBaseTexture() const;
      void generateMipmap(int face, int level);
  
      virtual unsigned int getRenderTargetSerial(GLenum target) const;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(TextureStorageCubeMap);
  
      void initializeRenderTarget();
  
      IDirect3DCubeTexture9 *mTexture;
      RenderTarget9 *mRenderTarget[6];
      const unsigned int mFirstRenderTargetSerial;
  };
  
  }
  
  #endif // LIBGLESV2_TEXTURESTORAGE_H_
  
  

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