kc3-lang/angle/src/libANGLE/renderer/d3d/d3d9/Buffer9.h

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• Hash : ad18dc93
  Author :
  Date : 2025-04-02T16:23:50
  

  D3D11: Remove the message from Buffer11 to gl::Buffer
  
  This CL removes the D3D back end's usage of Subject/Observer from
  Buffer11 to gl::Buffer. BufferFeedback argument has been added to
  various functions and directly applied to gl::Buffer object (which will
  propagate to VertexArray and texture/XFB if needed).
  gl::Buffer::mImplObserver is removed in this CL, and no longer a
  Observer.
  
  Bug: angleproject:400711938
  Change-Id: Idf4d423904d057ab3a1e52acf8e2496df606cb89
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6514288
  Commit-Queue: Charlie Lao <cclao@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d9/Buffer9.h

• //
  // Copyright 2014 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.
  //
  
  // Buffer9.h: Defines the rx::Buffer9 class which implements rx::BufferImpl via rx::BufferD3D.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D9_BUFFER9_H_
  #define LIBANGLE_RENDERER_D3D_D3D9_BUFFER9_H_
  
  #include "common/MemoryBuffer.h"
  #include "libANGLE/angletypes.h"
  #include "libANGLE/renderer/d3d/BufferD3D.h"
  
  namespace rx
  {
  class Renderer9;
  
  class Buffer9 : public BufferD3D
  {
    public:
      Buffer9(const gl::BufferState &state, Renderer9 *renderer);
      ~Buffer9() override;
  
      // BufferD3D implementation
      size_t getSize() const override;
      bool supportsDirectBinding() const override;
      angle::Result getData(const gl::Context *context, const uint8_t **outData) override;
  
      // BufferImpl implementation
      angle::Result setData(const gl::Context *context,
                            gl::BufferBinding target,
                            const void *data,
                            size_t size,
                            gl::BufferUsage usage,
                            BufferFeedback *feedback) override;
      angle::Result setSubData(const gl::Context *context,
                               gl::BufferBinding target,
                               const void *data,
                               size_t size,
                               size_t offset,
                               BufferFeedback *feedback) override;
      angle::Result copySubData(const gl::Context *context,
                                BufferImpl *source,
                                GLintptr sourceOffset,
                                GLintptr destOffset,
                                GLsizeiptr size,
                                BufferFeedback *feedback) override;
      angle::Result map(const gl::Context *context,
                        GLenum access,
                        void **mapPtr,
                        BufferFeedback *feedback) override;
      angle::Result mapRange(const gl::Context *context,
                             size_t offset,
                             size_t length,
                             GLbitfield access,
                             void **mapPtr,
                             BufferFeedback *feedback) override;
      angle::Result unmap(const gl::Context *context,
                          GLboolean *result,
                          BufferFeedback *feedback) override;
      angle::Result markTransformFeedbackUsage(const gl::Context *context,
                                               BufferFeedback *feedback) override;
  
    private:
      angle::MemoryBuffer mMemory;
      size_t mSize;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_D3D_D3D9_BUFFER9_H_
  

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