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

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• Hash : 6d3d381e
  Author :
  Date : 2019-08-23T16:45:05
  

  GL: Update BufferGL to use ANGLE_GL_TRY.
  
  Refactor the check for keeping shadow data into a feature so it's only
  initialized once.
  
  Bug: angleproject:3020
  Change-Id: I45575c246afa7cd54e3a07d7a8464f4d4f45b3be
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1769064
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: 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, GLuint buffer);
      ~BufferGL() override;
  
      void destroy(const gl::Context *context) override;
  
      angle::Result setData(const gl::Context *context,
                            gl::BufferBinding target,
                            const void *data,
                            size_t size,
                            gl::BufferUsage usage) override;
      angle::Result setSubData(const gl::Context *context,
                               gl::BufferBinding target,
                               const void *data,
                               size_t size,
                               size_t offset) override;
      angle::Result copySubData(const gl::Context *context,
                                BufferImpl *source,
                                GLintptr sourceOffset,
                                GLintptr destOffset,
                                GLsizeiptr size) override;
      angle::Result map(const gl::Context *context, GLenum access, void **mapPtr) override;
      angle::Result mapRange(const gl::Context *context,
                             size_t offset,
                             size_t length,
                             GLbitfield access,
                             void **mapPtr) override;
      angle::Result unmap(const gl::Context *context, GLboolean *result) override;
  
      angle::Result getIndexRange(const gl::Context *context,
                                  gl::DrawElementsType 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;
  
      angle::MemoryBuffer mShadowCopy;
  
      size_t mBufferSize;
  
      GLuint mBufferID;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_BUFFERGL_H_
  

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