kc3-lang/angle/src/libANGLE/renderer/wgpu/VertexArrayWgpu.h

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• Hash : 0b610712
  Author :
  Date : 2024-09-20T12:00:17
  

  WebGPU: Sync index buffers, add indexed draw calls
  
  Bug: angleproject:368600230
  Change-Id: Ibf1c4921635b525b7650e70ce7dc939e2bad2ebb
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5828229
  Reviewed-by: Liza Burakova <liza@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/libANGLE/renderer/wgpu/VertexArrayWgpu.h

• //
  // Copyright 2024 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.
  //
  // VertexArrayWgpu.h:
  //    Defines the class interface for VertexArrayWgpu, implementing VertexArrayImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_WGPU_VERTEXARRAYWGPU_H_
  #define LIBANGLE_RENDERER_WGPU_VERTEXARRAYWGPU_H_
  
  #include "libANGLE/renderer/VertexArrayImpl.h"
  #include "libANGLE/renderer/wgpu/BufferWgpu.h"
  #include "libANGLE/renderer/wgpu/wgpu_pipeline_state.h"
  
  namespace rx
  {
  
  class VertexArrayWgpu : public VertexArrayImpl
  {
    public:
      VertexArrayWgpu(const gl::VertexArrayState &data);
  
      angle::Result syncState(const gl::Context *context,
                              const gl::VertexArray::DirtyBits &dirtyBits,
                              gl::VertexArray::DirtyAttribBitsArray *attribBits,
                              gl::VertexArray::DirtyBindingBitsArray *bindingBits) override;
  
      webgpu::BufferHelper *getVertexBuffer(size_t slot) const { return mCurrentArrayBuffers[slot]; }
      webgpu::BufferHelper *getIndexBuffer() const { return mCurrentIndexBuffer; }
  
      angle::Result syncClientArrays(const gl::Context *context,
                                     const gl::AttributesMask &activeAttributesMask,
                                     GLint first,
                                     GLsizei count,
                                     gl::DrawElementsType drawElementsTypeOrInvalid,
                                     const void *indices,
                                     GLsizei instanceCount,
                                     bool primitiveRestartEnabled,
                                     const void **adjustedIndicesPtr);
  
    private:
      angle::Result syncDirtyAttrib(ContextWgpu *contextWgpu,
                                    const gl::VertexAttribute &attrib,
                                    const gl::VertexBinding &binding,
                                    size_t attribIndex);
      angle::Result syncDirtyElementArrayBuffer(ContextWgpu *contextWgpu);
  
      gl::AttribArray<webgpu::PackedVertexAttribute> mCurrentAttribs;
      gl::AttribArray<webgpu::BufferHelper *> mCurrentArrayBuffers;
      webgpu::BufferHelper *mCurrentIndexBuffer = nullptr;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_WGPU_VERTEXARRAYWGPU_H_
  

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