kc3-lang/angle/src/libGLESv2/renderer/d3d/d3d11/Buffer11.h

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• Hash : 5c1e58d0
  Author :
  Date : 2014-08-04T10:47:58
  

  Add missing cache clears to D3D buffer classes.
  
  BUG=angle:709
  
  Change-Id: I93f92b916a0da26975cd459399cc2873cb4ab9f0
  Reviewed-on: https://chromium-review.googlesource.com/210642
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Nicolas Capens <capn@chromium.org>
  

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• src/libGLESv2/renderer/d3d/d3d11/Buffer11.h

• //
  // Copyright 2014 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.
  //
  
  // Buffer11.h: Defines the rx::Buffer11 class which implements rx::BufferImpl via rx::BufferD3D.
  
  #ifndef LIBGLESV2_RENDERER_BUFFER11_H_
  #define LIBGLESV2_RENDERER_BUFFER11_H_
  
  #include "libGLESv2/renderer/d3d/BufferD3D.h"
  #include "libGLESv2/renderer/d3d/MemoryBuffer.h"
  #include "libGLESv2/angletypes.h"
  
  namespace rx
  {
  class Renderer11;
  
  enum BufferUsage
  {
      BUFFER_USAGE_STAGING,
      BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK,
      BUFFER_USAGE_INDEX,
      BUFFER_USAGE_PIXEL_UNPACK,
      BUFFER_USAGE_PIXEL_PACK,
      BUFFER_USAGE_UNIFORM,
  };
  
  struct PackPixelsParams
  {
      PackPixelsParams();
      PackPixelsParams(const gl::Rectangle &area, GLenum format, GLenum type, GLuint outputPitch,
                       const gl::PixelPackState &pack, ptrdiff_t offset);
  
      gl::Rectangle area;
      GLenum format;
      GLenum type;
      GLuint outputPitch;
      gl::Buffer *packBuffer;
      gl::PixelPackState pack;
      ptrdiff_t offset;
  };
  
  typedef size_t DataRevision;
  
  class Buffer11 : public BufferD3D
  {
    public:
      Buffer11(rx::Renderer11 *renderer);
      virtual ~Buffer11();
  
      static Buffer11 *makeBuffer11(BufferImpl *buffer);
  
      ID3D11Buffer *getBuffer(BufferUsage usage);
      ID3D11ShaderResourceView *getSRV(DXGI_FORMAT srvFormat);
      bool isMapped() const { return mMappedStorage != NULL; }
      void packPixels(ID3D11Texture2D *srcTexure, UINT srcSubresource, const PackPixelsParams &params);
  
      // BufferD3D implementation
      virtual size_t getSize() const { return mSize; }
      virtual bool supportsDirectBinding() const { return true; }
      virtual Renderer* getRenderer();
  
      // BufferImpl implementation
      virtual void setData(const void* data, size_t size, GLenum usage);
      virtual void *getData();
      virtual void setSubData(const void* data, size_t size, size_t offset);
      virtual void copySubData(BufferImpl* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size);
      virtual GLvoid* map(size_t offset, size_t length, GLbitfield access);
      virtual void unmap();
      virtual void markTransformFeedbackUsage();
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Buffer11);
  
      class BufferStorage11;
      class NativeBuffer11;
      class PackStorage11;
  
      rx::Renderer11 *mRenderer;
      size_t mSize;
  
      BufferStorage11 *mMappedStorage;
  
      std::map<BufferUsage, BufferStorage11*> mBufferStorages;
  
      typedef std::pair<ID3D11Buffer *, ID3D11ShaderResourceView *> BufferSRVPair;
      std::map<DXGI_FORMAT, BufferSRVPair> mBufferResourceViews;
  
      MemoryBuffer mResolvedData;
      DataRevision mResolvedDataRevision;
      unsigned int mReadUsageCount;
  
      void markBufferUsage();
      NativeBuffer11 *getStagingBuffer();
      PackStorage11 *getPackStorage();
  
      BufferStorage11 *getBufferStorage(BufferUsage usage);
      BufferStorage11 *getLatestBufferStorage() const;
  };
  
  }
  
  #endif // LIBGLESV2_RENDERER_BUFFER11_H_
  

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