kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.h

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• Hash : bdc1e2a2
  Author :
  Date : 2017-05-24T14:40:27
  

  D3D11: Consolidate Buffer allocation.
  
  We now allocate and release all buffer resources from a single place,
  allowing us to allocate junk memory, clear on init, and track the
  currently allocated buffer memory.
  
  BUG=angleproject:2034
  
  Change-Id: Id60b63a7f77bc369dfc494a7587ab06c8d34a8e2
  Reviewed-on: https://chromium-review.googlesource.com/503253
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d11/VertexBuffer11.h

• //
  // Copyright (c) 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.
  //
  
  // VertexBuffer11.h: Defines the D3D11 VertexBuffer implementation.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D11_VERTEXBUFFER11_H_
  #define LIBANGLE_RENDERER_D3D_D3D11_VERTEXBUFFER11_H_
  
  #include <stdint.h>
  
  #include "libANGLE/renderer/d3d/VertexBuffer.h"
  #include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
  
  namespace rx
  {
  class Renderer11;
  
  class VertexBuffer11 : public VertexBuffer
  {
    public:
      explicit VertexBuffer11(Renderer11 *const renderer);
  
      gl::Error initialize(unsigned int size, bool dynamicUsage) override;
  
      // Warning: you should ensure binding really matches attrib.bindingIndex before using this
      // function.
      gl::Error storeVertexAttributes(const gl::VertexAttribute &attrib,
                                      const gl::VertexBinding &binding,
                                      GLenum currentValueType,
                                      GLint start,
                                      GLsizei count,
                                      GLsizei instances,
                                      unsigned int offset,
                                      const uint8_t *sourceData) override;
  
      unsigned int getBufferSize() const override;
      gl::Error setBufferSize(unsigned int size) override;
      gl::Error discard() override;
  
      void hintUnmapResource() override;
  
      const d3d11::Buffer &getBuffer() const;
  
    private:
      ~VertexBuffer11() override;
      gl::Error mapResource();
  
      Renderer11 *const mRenderer;
  
      d3d11::Buffer mBuffer;
      unsigned int mBufferSize;
      bool mDynamicUsage;
  
      uint8_t *mMappedResourceData;
  };
  
  }  // namespace rx
  
  #endif // LIBANGLE_RENDERER_D3D_D3D11_VERTEXBUFFER11_H_
  

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