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

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• Author : Geoff Lang
  Date : 2015-09-04 16:38:24
  Hash : 3edfe034
  Message : Support primitive restart in RendererGL. Store index ranges in a new struct that tracks how many real indices were seen. Update index caching to key on primitive restart being enabled and update index counting functions to skip primitive restart indicies when needed. Passes dEQP-GLES3.functional.primitive_restart.* Change-Id: Id1e25a5adcdcd4e998836e8ff6679c64be4c3066 Reviewed-on: https://chromium-review.googlesource.com/297770 Tryjob-Request: Geoff Lang <geofflang@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• 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 "libANGLE/renderer/BufferImpl.h"
  
  namespace rx
  {
  
  class FunctionsGL;
  class StateManagerGL;
  
  class BufferGL : public BufferImpl
  {
    public:
      BufferGL(const FunctionsGL *functions, StateManagerGL *stateManager);
      ~BufferGL() override;
  
      gl::Error setData(const void* data, size_t size, GLenum usage) override;
      gl::Error setSubData(const void* data, size_t size, size_t offset) override;
      gl::Error copySubData(BufferImpl* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size) override;
      gl::Error map(GLenum access, GLvoid **mapPtr) override;
      gl::Error mapRange(size_t offset, size_t length, GLbitfield access, GLvoid **mapPtr) override;
      gl::Error unmap(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;
  
      const FunctionsGL *mFunctions;
      StateManagerGL *mStateManager;
  
      GLuint mBufferID;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_GL_BUFFERGL_H_