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

• Show log

  Commit

• Hash : 4747414e
  Author :
  Date : 2017-12-29T13:41:00
  

  Use dirty bit for element array buffer
  
  BUG=angleproject:2188
  
  Change-Id: I2b2aced542032c7c263f911ef1516af1d42190cc
  Reviewed-on: https://chromium-review.googlesource.com/846346
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  

Download

• src/libANGLE/renderer/gl/VertexArrayGL.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.
  //
  
  // VertexArrayGL.h: Defines the class interface for VertexArrayGL.
  
  #ifndef LIBANGLE_RENDERER_GL_VERTEXARRAYGL_H_
  #define LIBANGLE_RENDERER_GL_VERTEXARRAYGL_H_
  
  #include "libANGLE/renderer/VertexArrayImpl.h"
  
  namespace rx
  {
  
  class FunctionsGL;
  class StateManagerGL;
  
  class VertexArrayGL : public VertexArrayImpl
  {
    public:
      VertexArrayGL(const gl::VertexArrayState &data,
                    const FunctionsGL *functions,
                    StateManagerGL *stateManager);
      ~VertexArrayGL() override;
  
      void destroy(const gl::Context *context) override;
  
      gl::Error syncDrawArraysState(const gl::Context *context,
                                    const gl::AttributesMask &activeAttributesMask,
                                    GLint first,
                                    GLsizei count,
                                    GLsizei instanceCount) const;
      gl::Error syncDrawElementsState(const gl::Context *context,
                                      const gl::AttributesMask &activeAttributesMask,
                                      GLsizei count,
                                      GLenum type,
                                      const void *indices,
                                      GLsizei instanceCount,
                                      bool primitiveRestartEnabled,
                                      const void **outIndices) const;
  
      GLuint getVertexArrayID() const;
      GLuint getAppliedElementArrayBufferID() const;
  
      void syncState(const gl::Context *context,
                     const gl::VertexArray::DirtyBits &dirtyBits) override;
      void applyNumViewsToDivisor(int numViews);
  
    private:
      gl::Error syncDrawState(const gl::Context *context,
                              const gl::AttributesMask &activeAttributesMask,
                              GLint first,
                              GLsizei count,
                              GLenum type,
                              const void *indices,
                              GLsizei instanceCount,
                              bool primitiveRestartEnabled,
                              const void **outIndices) const;
  
      // Apply index data, only sets outIndexRange if attributesNeedStreaming is true
      gl::Error syncIndexData(const gl::Context *context,
                              GLsizei count,
                              GLenum type,
                              const void *indices,
                              bool primitiveRestartEnabled,
                              bool attributesNeedStreaming,
                              gl::IndexRange *outIndexRange,
                              const void **outIndices) const;
  
      // Returns the amount of space needed to stream all attributes that need streaming
      // and the data size of the largest attribute
      void computeStreamingAttributeSizes(const gl::AttributesMask &activeAttributesMask,
                                          GLsizei instanceCount,
                                          const gl::IndexRange &indexRange,
                                          size_t *outStreamingDataSize,
                                          size_t *outMaxAttributeDataSize) const;
  
      // Stream attributes that have client data
      gl::Error streamAttributes(const gl::AttributesMask &activeAttributesMask,
                                 GLsizei instanceCount,
                                 const gl::IndexRange &indexRange) const;
  
      void updateNeedsStreaming(size_t attribIndex);
      void updateAttribEnabled(size_t attribIndex);
      void updateAttribPointer(const gl::Context *context, size_t attribIndex);
  
      bool supportVertexAttribBinding() const;
  
      void updateAttribFormat(size_t attribIndex);
      void updateAttribBinding(size_t attribIndex);
      void updateBindingBuffer(const gl::Context *context, size_t bindingIndex);
      void updateBindingDivisor(size_t bindingIndex);
  
      void updateElementArrayBufferBinding(const gl::Context *context) const;
  
      void callVertexAttribPointer(GLuint attribIndex,
                                   const gl::VertexAttribute &attrib,
                                   GLsizei stride,
                                   GLintptr offset) const;
  
      const FunctionsGL *mFunctions;
      StateManagerGL *mStateManager;
  
      GLuint mVertexArrayID;
      int mAppliedNumViews;
  
      mutable gl::BindingPointer<gl::Buffer> mAppliedElementArrayBuffer;
  
      mutable std::vector<gl::VertexAttribute> mAppliedAttributes;
      mutable std::vector<gl::VertexBinding> mAppliedBindings;
  
      mutable size_t mStreamingElementArrayBufferSize;
      mutable GLuint mStreamingElementArrayBuffer;
  
      mutable size_t mStreamingArrayBufferSize;
      mutable GLuint mStreamingArrayBuffer;
  
      gl::AttributesMask mAttributesNeedStreaming;
  };
  }
  
  #endif  // LIBANGLE_RENDERER_GL_VERTEXARRAYGL_H_
  

Download