#pragma once

#include <array>

#include "d3d11_buffer.h"
#include "d3d11_input_layout.h"
#include "d3d11_sampler.h"
#include "d3d11_shader.h"
#include "d3d11_state.h"
#include "d3d11_uav.h"
#include "d3d11_view.h"

namespace dxvk {
  
  using D3D11ConstantBufferBindings = std::array<
    Com<D3D11Buffer>, D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT>;
  
  
  using D3D11SamplerBindings = std::array<
    Com<D3D11SamplerState>, D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT>;
    
  
  using D3D11ShaderResourceBindings = std::array<
    Com<D3D11ShaderResourceView>, D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT>;
    
    
  using D3D11UnorderedAccessBindings = std::array<
    Com<D3D11UnorderedAccessView>, D3D11_1_UAV_SLOT_COUNT>;
    
  
  struct D3D11ContextStateVS {
    Com<D3D11VertexShader>        shader;
    D3D11ConstantBufferBindings   constantBuffers;
    D3D11SamplerBindings          samplers;
    D3D11ShaderResourceBindings   shaderResources;
  };
  
  
  struct D3D11ContextStateHS {
    Com<D3D11HullShader>          shader;
    D3D11ConstantBufferBindings   constantBuffers;
    D3D11SamplerBindings          samplers;
    D3D11ShaderResourceBindings   shaderResources;
  };
  
  
  struct D3D11ContextStateDS {
    Com<D3D11DomainShader>        shader;
    D3D11ConstantBufferBindings   constantBuffers;
    D3D11SamplerBindings          samplers;
    D3D11ShaderResourceBindings   shaderResources;
  };
  
  
  struct D3D11ContextStateGS {
    Com<D3D11GeometryShader>      shader;
    D3D11ConstantBufferBindings   constantBuffers;
    D3D11SamplerBindings          samplers;
    D3D11ShaderResourceBindings   shaderResources;
  };
  
  
  struct D3D11ContextStatePS {
    Com<D3D11PixelShader>         shader;
    D3D11ConstantBufferBindings   constantBuffers;
    D3D11SamplerBindings          samplers;
    D3D11ShaderResourceBindings   shaderResources;
    D3D11UnorderedAccessBindings  unorderedAccessViews;
  };
  
  
  struct D3D11ContextStateCS {
    Com<D3D11ComputeShader>       shader;
    D3D11ConstantBufferBindings   constantBuffers;
    D3D11SamplerBindings          samplers;
    D3D11ShaderResourceBindings   shaderResources;
    D3D11UnorderedAccessBindings  unorderedAccessViews;
  };
  
  
  struct D3D11VertexBufferBinding {
    Com<D3D11Buffer> buffer = nullptr;
    UINT             offset = 0;
    UINT             stride = 0;
  };
  
  
  struct D3D11IndexBufferBinding {
    Com<D3D11Buffer> buffer = nullptr;
    UINT             offset = 0;
    DXGI_FORMAT      format = DXGI_FORMAT_UNKNOWN;
  };
  
  
  struct D3D11ContextStateIA {
    Com<D3D11InputLayout>    inputLayout;
    D3D11_PRIMITIVE_TOPOLOGY primitiveTopology = D3D11_PRIMITIVE_TOPOLOGY_UNDEFINED;
    
    std::array<D3D11VertexBufferBinding, D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT> vertexBuffers;
    D3D11IndexBufferBinding                                                         indexBuffer;
  };
  
  
  struct D3D11ContextStateOM {
    std::array<Com<D3D11RenderTargetView>, D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT> renderTargetViews;
    Com<D3D11DepthStencilView>                                                     depthStencilView;
    
    Com<D3D11BlendState>        cbState = nullptr;
    Com<D3D11DepthStencilState> dsState = nullptr;
    
    FLOAT blendFactor[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
    UINT  sampleMask     = 0xFFFFFFFFu;
    UINT  stencilRef     = 0u;
  };
  
  
  struct D3D11ContextStateRS {
    uint32_t numViewports = 0;
    uint32_t numScissors  = 0;
    
    std::array<D3D11_VIEWPORT, D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE> viewports;
    std::array<D3D11_RECT,     D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE> scissors;
    
    Com<D3D11RasterizerState> state;
  };
  
  
  /**
   * \brief Context state
   */
  struct D3D11ContextState {
    D3D11ContextStateCS cs;
    D3D11ContextStateDS ds;
    D3D11ContextStateGS gs;
    D3D11ContextStateHS hs;
    D3D11ContextStatePS ps;
    D3D11ContextStateVS vs;
    
    D3D11ContextStateIA ia;
    D3D11ContextStateOM om;
    D3D11ContextStateRS rs;
  };
  
}