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

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• Hash : fc09350a
  Author :
  Date : 2021-08-18T12:24:39
  

  GL: Update VertexArrayGL to use ANGLE_GL_TRY.
  
  Bug: angleproject:3020
  Change-Id: If3409d0d4bc9fdc5c990cece92461e2526c752c9
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1809058
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Peng Huang <penghuang@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  

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• 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"
  
  #include "common/mathutil.h"
  #include "libANGLE/Context.h"
  #include "libANGLE/renderer/gl/ContextGL.h"
  
  namespace rx
  {
  
  class FunctionsGL;
  class StateManagerGL;
  struct VertexArrayStateGL;
  
  class VertexArrayGL : public VertexArrayImpl
  {
    public:
      VertexArrayGL(const gl::VertexArrayState &data, GLuint id);
      VertexArrayGL(const gl::VertexArrayState &data, GLuint id, VertexArrayStateGL *sharedState);
      ~VertexArrayGL() override;
  
      void destroy(const gl::Context *context) override;
  
      angle::Result syncClientSideData(const gl::Context *context,
                                       const gl::AttributesMask &activeAttributesMask,
                                       GLint first,
                                       GLsizei count,
                                       GLsizei instanceCount) const;
      angle::Result syncDrawElementsState(const gl::Context *context,
                                          const gl::AttributesMask &activeAttributesMask,
                                          GLsizei count,
                                          gl::DrawElementsType type,
                                          const void *indices,
                                          GLsizei instanceCount,
                                          bool primitiveRestartEnabled,
                                          const void **outIndices) const;
  
      GLuint getVertexArrayID() const;
      VertexArrayStateGL *getNativeState() const;
  
      angle::Result syncState(const gl::Context *context,
                              const gl::VertexArray::DirtyBits &dirtyBits,
                              gl::VertexArray::DirtyAttribBitsArray *attribBits,
                              gl::VertexArray::DirtyBindingBitsArray *bindingBits) override;
  
      angle::Result applyNumViewsToDivisor(const gl::Context *context, int numViews);
      angle::Result applyActiveAttribLocationsMask(const gl::Context *context,
                                                   const gl::AttributesMask &activeMask);
  
      angle::Result validateState(const gl::Context *context) const;
  
      angle::Result recoverForcedStreamingAttributesForDrawArraysInstanced(
          const gl::Context *context) const;
  
    private:
      angle::Result syncDrawState(const gl::Context *context,
                                  const gl::AttributesMask &activeAttributesMask,
                                  GLint first,
                                  GLsizei count,
                                  gl::DrawElementsType type,
                                  const void *indices,
                                  GLsizei instanceCount,
                                  bool primitiveRestartEnabled,
                                  const void **outIndices) const;
  
      // Apply index data, only sets outIndexRange if attributesNeedStreaming is true
      angle::Result syncIndexData(const gl::Context *context,
                                  GLsizei count,
                                  gl::DrawElementsType 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 &attribsToStream,
                                          GLsizei instanceCount,
                                          const gl::IndexRange &indexRange,
                                          size_t *outStreamingDataSize,
                                          size_t *outMaxAttributeDataSize) const;
  
      // Stream attributes that have client data
      angle::Result streamAttributes(const gl::Context *context,
                                     const gl::AttributesMask &attribsToStream,
                                     GLsizei instanceCount,
                                     const gl::IndexRange &indexRange,
                                     bool applyExtraOffsetWorkaroundForInstancedAttributes) const;
      angle::Result syncDirtyAttrib(const gl::Context *context,
                                    size_t attribIndex,
                                    const gl::VertexArray::DirtyAttribBits &dirtyAttribBits);
      angle::Result syncDirtyBinding(const gl::Context *context,
                                     size_t bindingIndex,
                                     const gl::VertexArray::DirtyBindingBits &dirtyBindingBits);
  
      angle::Result updateAttribEnabled(const gl::Context *context, size_t attribIndex);
      angle::Result updateAttribPointer(const gl::Context *context, size_t attribIndex);
  
      bool supportVertexAttribBinding(const gl::Context *context) const;
  
      angle::Result updateAttribFormat(const gl::Context *context, size_t attribIndex);
      angle::Result updateAttribBinding(const gl::Context *context, size_t attribIndex);
      angle::Result updateBindingBuffer(const gl::Context *context, size_t bindingIndex);
      angle::Result updateBindingDivisor(const gl::Context *context, size_t bindingIndex);
  
      angle::Result updateElementArrayBufferBinding(const gl::Context *context) const;
  
      angle::Result callVertexAttribPointer(const gl::Context *context,
                                            GLuint attribIndex,
                                            const gl::VertexAttribute &attrib,
                                            GLsizei stride,
                                            GLintptr offset) const;
  
      angle::Result recoverForcedStreamingAttributesForDrawArraysInstanced(
          const gl::Context *context,
          gl::AttributesMask *attributeMask) const;
  
      GLuint mVertexArrayID = 0;
      int mAppliedNumViews  = 1;
  
      // Remember the program's active attrib location mask so that attributes can be enabled/disabled
      // based on whether they are active in the program
      gl::AttributesMask mProgramActiveAttribLocationsMask;
  
      bool mOwnsNativeState            = false;
      VertexArrayStateGL *mNativeState = nullptr;
  
      mutable gl::BindingPointer<gl::Buffer> mElementArrayBuffer;
      mutable std::array<gl::BindingPointer<gl::Buffer>, gl::MAX_VERTEX_ATTRIBS> mArrayBuffers;
  
      mutable size_t mStreamingElementArrayBufferSize = 0;
      mutable GLuint mStreamingElementArrayBuffer     = 0;
  
      mutable size_t mStreamingArrayBufferSize = 0;
      mutable GLuint mStreamingArrayBuffer     = 0;
  
      // Used for Mac Intel instanced draw workaround
      mutable gl::AttributesMask mForcedStreamingAttributesForDrawArraysInstancedMask;
      mutable gl::AttributesMask mInstancedAttributesMask;
      mutable std::array<GLint, gl::MAX_VERTEX_ATTRIBS> mForcedStreamingAttributesFirstOffsets;
  };
  
  ANGLE_INLINE angle::Result VertexArrayGL::syncDrawElementsState(
      const gl::Context *context,
      const gl::AttributesMask &activeAttributesMask,
      GLsizei count,
      gl::DrawElementsType type,
      const void *indices,
      GLsizei instanceCount,
      bool primitiveRestartEnabled,
      const void **outIndices) const
  {
      return syncDrawState(context, activeAttributesMask, 0, count, type, indices, instanceCount,
                           primitiveRestartEnabled, outIndices);
  }
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_VERTEXARRAYGL_H_
  

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