kc3-lang/angle/src/libANGLE/renderer/d3d/d3d9/Blit9.h

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• Hash : 4928b7ca
  Author :
  Date : 2017-06-20T12:57:39
  

  Proliferate gl::Context everywhere.
  
  This gives the D3D back-end access to the GL state almost anywhere.
  This uses the onDestroy hook for Textures to push errors up from
  destructors, although they still don't quite make it to the Context.
  
  There are places, such as in EGL object (Context/Surface) destruction,
  where we end up calling through to GL implementation internals without
  having access to a gl::Context. We handle this via a proxy Context
  to a Display, basically a null context, that has access to impl-side
  state like the Renderer pointer if necessary. It does not have access
  to the normal GL state.
  
  Also Pass gl::Context to RefCountObject::release(). Since we're using
  destroy() methods now, we should not ever call the destructor directly.
  
  BUG=angleproject:1156
  
  Change-Id: Ie4c32ad6bf6caaff0289901f30b5c6bafa2ce259
  Reviewed-on: https://chromium-review.googlesource.com/529707
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d9/Blit9.h

• //
  // Copyright (c) 2002-2010 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.
  //
  
  // Blit9.cpp: Surface copy utility class.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
  #define LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  
  #include <GLES2/gl2.h>
  
  namespace gl
  {
  class Context;
  class Framebuffer;
  class Texture;
  struct Extents;
  struct Offset;
  }
  
  namespace rx
  {
  class Renderer9;
  class TextureStorage;
  
  class Blit9 : angle::NonCopyable
  {
    public:
      explicit Blit9(Renderer9 *renderer);
      ~Blit9();
  
      gl::Error initialize();
  
      // Copy from source surface to dest surface.
      // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
      gl::Error copy2D(const gl::Context *context,
                       const gl::Framebuffer *framebuffer,
                       const RECT &sourceRect,
                       GLenum destFormat,
                       const gl::Offset &destOffset,
                       TextureStorage *storage,
                       GLint level);
      gl::Error copyCube(const gl::Context *context,
                         const gl::Framebuffer *framebuffer,
                         const RECT &sourceRect,
                         GLenum destFormat,
                         const gl::Offset &destOffset,
                         TextureStorage *storage,
                         GLenum target,
                         GLint level);
      gl::Error copyTexture(const gl::Context *context,
                            const gl::Texture *source,
                            GLint sourceLevel,
                            const RECT &sourceRect,
                            GLenum destFormat,
                            const gl::Offset &destOffset,
                            TextureStorage *storage,
                            GLenum destTarget,
                            GLint destLevel,
                            bool flipY,
                            bool premultiplyAlpha,
                            bool unmultiplyAlpha);
  
      // 2x2 box filter sample from source to dest.
      // Requires that source is RGB(A) and dest has the same format as source.
      gl::Error boxFilter(IDirect3DSurface9 *source, IDirect3DSurface9 *dest);
  
    private:
      Renderer9 *mRenderer;
  
      bool mGeometryLoaded;
      IDirect3DVertexBuffer9 *mQuadVertexBuffer;
      IDirect3DVertexDeclaration9 *mQuadVertexDeclaration;
  
      // Copy from source texture to dest surface.
      // sourceRect, xoffset, yoffset are in D3D coordinates (0,0 in upper-left)
      // source is interpreted as RGBA and destFormat specifies the desired result format. For
      // example, if destFormat = GL_RGB, the alpha channel will be forced to 0.
      gl::Error formatConvert(IDirect3DBaseTexture9 *source,
                              const RECT &sourceRect,
                              const gl::Extents &sourceSize,
                              GLenum destFormat,
                              const gl::Offset &destOffset,
                              IDirect3DSurface9 *dest,
                              bool flipY,
                              bool premultiplyAlpha,
                              bool unmultiplyAlpha);
      gl::Error setFormatConvertShaders(GLenum destFormat,
                                        bool flipY,
                                        bool premultiplyAlpha,
                                        bool unmultiplyAlpha);
  
      gl::Error copy(IDirect3DSurface9 *source,
                     IDirect3DBaseTexture9 *sourceTexture,
                     const RECT &sourceRect,
                     GLenum destFormat,
                     const gl::Offset &destOffset,
                     IDirect3DSurface9 *dest,
                     bool flipY,
                     bool premultiplyAlpha,
                     bool unmultiplyAlpha);
      gl::Error copySurfaceToTexture(IDirect3DSurface9 *surface,
                                     const RECT &sourceRect,
                                     IDirect3DBaseTexture9 **outTexture);
      void setViewportAndShaderConstants(const RECT &sourceRect,
                                         const gl::Extents &sourceSize,
                                         const RECT &destRect,
                                         bool flipY);
      void setCommonBlitState();
      RECT getSurfaceRect(IDirect3DSurface9 *surface) const;
      gl::Extents getSurfaceSize(IDirect3DSurface9 *surface) const;
  
      // This enum is used to index mCompiledShaders and mShaderSource.
      enum ShaderId
      {
          SHADER_VS_STANDARD,
          SHADER_PS_PASSTHROUGH,
          SHADER_PS_LUMINANCE,
          SHADER_PS_LUMINANCE_PREMULTIPLY_ALPHA,
          SHADER_PS_LUMINANCE_UNMULTIPLY_ALPHA,
          SHADER_PS_COMPONENTMASK,
          SHADER_PS_COMPONENTMASK_PREMULTIPLY_ALPHA,
          SHADER_PS_COMPONENTMASK_UNMULTIPLY_ALPHA,
          SHADER_COUNT,
      };
  
      // This actually contains IDirect3DVertexShader9 or IDirect3DPixelShader9 casted to IUnknown.
      IUnknown *mCompiledShaders[SHADER_COUNT];
  
      template <class D3DShaderType>
      gl::Error setShader(ShaderId source, const char *profile,
                          gl::Error (Renderer9::*createShader)(const DWORD *, size_t length, D3DShaderType **outShader),
                          HRESULT (WINAPI IDirect3DDevice9::*setShader)(D3DShaderType*));
  
      gl::Error setVertexShader(ShaderId shader);
      gl::Error setPixelShader(ShaderId shader);
      void render();
  
      void saveState();
      void restoreState();
      IDirect3DStateBlock9 *mSavedStateBlock;
      IDirect3DSurface9 *mSavedRenderTarget;
      IDirect3DSurface9 *mSavedDepthStencil;
  };
  
  }
  
  #endif   // LIBANGLE_RENDERER_D3D_D3D9_BLIT9_H_
  

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