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path: root/Source/Core/VideoBackends/D3D12/D3D12VertexManager.h
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// Copyright 2019 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <memory>

#include "VideoBackends/D3D12/D3D12StreamBuffer.h"
#include "VideoBackends/D3D12/DescriptorHeapManager.h"
#include "VideoCommon/VertexManagerBase.h"

namespace DX12
{
class VertexManager final : public VertexManagerBase
{
public:
  VertexManager();
  ~VertexManager() override;

  bool Initialize() override;

  void UploadUtilityUniforms(const void* uniforms, u32 uniforms_size) override;
  bool UploadTexelBuffer(const void* data, u32 data_size, TexelBufferFormat format,
                         u32* out_offset) override;
  bool UploadTexelBuffer(const void* data, u32 data_size, TexelBufferFormat format, u32* out_offset,
                         const void* palette_data, u32 palette_size,
                         TexelBufferFormat palette_format, u32* out_palette_offset) override;

protected:
  void ResetBuffer(u32 vertex_stride) override;
  void CommitBuffer(u32 num_vertices, u32 vertex_stride, u32 num_indices, u32* out_base_vertex,
                    u32* out_base_index) override;
  void UploadUniforms() override;

  void UpdateVertexShaderConstants();
  void UpdateGeometryShaderConstants();
  void UpdatePixelShaderConstants();
  void UpdateCustomShaderConstants();

  // Allocates storage in the uniform buffer of the specified size. If this storage cannot be
  // allocated immediately, the current command buffer will be submitted and all stage's
  // constants will be re-uploaded. false will be returned in this case, otherwise true.
  bool ReserveConstantStorage();
  void UploadAllConstants();

  StreamBuffer m_vertex_stream_buffer;
  StreamBuffer m_index_stream_buffer;
  StreamBuffer m_uniform_stream_buffer;
  StreamBuffer m_texel_stream_buffer;
  std::array<DescriptorHandle, NUM_TEXEL_BUFFER_FORMATS> m_texel_buffer_views = {};
  DescriptorHandle m_vertex_srv = {};
};

}  // namespace DX12