140 lines
3.7 KiB
C++
140 lines
3.7 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Graphics/GPUDevice.h"
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#include "Engine/Graphics/GPUResource.h"
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#include "Engine/Core/Collections/Dictionary.h"
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#include "../GPUDeviceDX.h"
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#include "../IncludeDirectXHeaders.h"
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#if GRAPHICS_API_DIRECTX11
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class Engine;
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class GPUContextDX11;
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class GPUSwapChainDX11;
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/// <summary>
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/// Implementation of Graphics Device for DirectX 11 backend.
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/// </summary>
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class GPUDeviceDX11 : public GPUDeviceDX
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{
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friend GPUContextDX11;
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friend GPUSwapChainDX11;
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private:
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// Private Stuff
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ID3D11Device* _device;
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ID3D11DeviceContext* _imContext;
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IDXGIFactory* _factoryDXGI;
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GPUContextDX11* _mainContext;
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bool _allowTearing = false;
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// Static Samplers
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ID3D11SamplerState* _samplerLinearClamp;
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ID3D11SamplerState* _samplerPointClamp;
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ID3D11SamplerState* _samplerLinearWrap;
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ID3D11SamplerState* _samplerPointWrap;
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ID3D11SamplerState* _samplerShadow;
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ID3D11SamplerState* _samplerShadowPCF;
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// Shared data for pipeline states
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CriticalSection BlendStatesWriteLocker;
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Dictionary<BlendingMode, ID3D11BlendState*> BlendStates;
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ID3D11RasterizerState* RasterizerStates[3 * 2 * 2]; // Index = CullMode[0-2] + Wireframe[0?3] + DepthClipEnable[0?6]
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ID3D11DepthStencilState* DepthStencilStates[9 * 2 * 2]; // Index = ComparisonFunc[0-8] + DepthTestEnable[0?9] + DepthWriteEnable[0?18]
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public:
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static GPUDevice* Create();
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GPUDeviceDX11(IDXGIFactory* dxgiFactory, GPUAdapterDX* adapter);
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~GPUDeviceDX11();
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public:
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// Gets DX11 device
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ID3D11Device* GetDevice() const
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{
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return _device;
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}
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// Gets DXGI factory
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IDXGIFactory* GetDXGIFactory() const
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{
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return _factoryDXGI;
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}
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// Gets immediate context
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ID3D11DeviceContext* GetIM() const
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{
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return _imContext;
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}
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GPUContextDX11* GetMainContextDX11()
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{
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return _mainContext;
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}
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ID3D11BlendState* GetBlendState(const BlendingMode& blending);
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public:
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// [GPUDeviceDX]
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GPUContext* GetMainContext() override
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{
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return reinterpret_cast<GPUContext*>(_mainContext);
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}
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void* GetNativePtr() const override
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{
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return _device;
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}
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bool Init() override;
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void Dispose() override;
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void WaitForGPU() override;
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void DrawEnd() override;
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GPUTexture* CreateTexture(const StringView& name) override;
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GPUShader* CreateShader(const StringView& name) override;
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GPUPipelineState* CreatePipelineState() override;
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GPUTimerQuery* CreateTimerQuery() override;
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GPUBuffer* CreateBuffer(const StringView& name) override;
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GPUSampler* CreateSampler() override;
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GPUSwapChain* CreateSwapChain(Window* window) override;
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GPUConstantBuffer* CreateConstantBuffer(uint32 size, const StringView& name) override;
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};
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/// <summary>
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/// Base interface for GPU resources on DirectX 11
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/// </summary>
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class IGPUResourceDX11
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{
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public:
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/// <summary>
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/// Gets DirectX 11 resource object handle.
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/// </summary>
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virtual ID3D11Resource* GetResource() = 0;
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};
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/// <summary>
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/// GPU resource implementation for DirectX 11 backend.
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/// </summary>
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template<class BaseType>
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class GPUResourceDX11 : public GPUResourceBase<GPUDeviceDX11, BaseType>, public IGPUResourceDX11
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{
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="GPUResourceDX11"/> class.
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/// </summary>
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/// <param name="device">The graphics device.</param>
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/// <param name="name">The resource name.</param>
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GPUResourceDX11(GPUDeviceDX11* device, const StringView& name) noexcept
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: GPUResourceBase<GPUDeviceDX11, BaseType>(device, name)
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{
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}
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};
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extern GPUDevice* CreateGPUDeviceDX11();
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#endif
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