kc3-lang/angle/src/libANGLE/renderer/gl/BufferGL.h

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• Hash : c564c070
  Author :
  Date : 2017-06-01T12:45:42
  

  Pass gl::Context to impl methods instead of ContextImpl.
  
  In some cases we might have to call back into the GL layer, passing
  the Context, and if we just have a ContextImpl pointer this isn't
  possible. It also removes the need for SafeGetImpl.
  
  BUG=angleproject:2044
  
  Change-Id: I6363e84b25648c992c25779d4c43f795aa2866d6
  Reviewed-on: https://chromium-review.googlesource.com/516835
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/gl/BufferGL.h

• //
  // Copyright 2015 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.
  //
  
  // BufferGL.h: Defines the class interface for BufferGL.
  
  #ifndef LIBANGLE_RENDERER_GL_BUFFERGL_H_
  #define LIBANGLE_RENDERER_GL_BUFFERGL_H_
  
  #include "common/MemoryBuffer.h"
  #include "libANGLE/renderer/BufferImpl.h"
  
  namespace rx
  {
  
  class FunctionsGL;
  class StateManagerGL;
  
  class BufferGL : public BufferImpl
  {
    public:
      BufferGL(const gl::BufferState &state,
               const FunctionsGL *functions,
               StateManagerGL *stateManager);
      ~BufferGL() override;
  
      gl::Error setData(const gl::Context *context,
                        GLenum target,
                        const void *data,
                        size_t size,
                        GLenum usage) override;
      gl::Error setSubData(const gl::Context *context,
                           GLenum target,
                           const void *data,
                           size_t size,
                           size_t offset) override;
      gl::Error copySubData(const gl::Context *context,
                            BufferImpl *source,
                            GLintptr sourceOffset,
                            GLintptr destOffset,
                            GLsizeiptr size) override;
      gl::Error map(const gl::Context *context, GLenum access, void **mapPtr) override;
      gl::Error mapRange(const gl::Context *context,
                         size_t offset,
                         size_t length,
                         GLbitfield access,
                         void **mapPtr) override;
      gl::Error unmap(const gl::Context *context, GLboolean *result) override;
  
      gl::Error getIndexRange(GLenum type,
                              size_t offset,
                              size_t count,
                              bool primitiveRestartEnabled,
                              gl::IndexRange *outRange) override;
  
      GLuint getBufferID() const;
  
    private:
      bool mIsMapped;
      size_t mMapOffset;
      size_t mMapSize;
  
      bool mShadowBufferData;
      angle::MemoryBuffer mShadowCopy;
  
      size_t mBufferSize;
  
      const FunctionsGL *mFunctions;
      StateManagerGL *mStateManager;
  
      GLuint mBufferID;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_BUFFERGL_H_
  

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