/*     Copyright 2019 Diligent Graphics LLC
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
 *
 *  In no event and under no legal theory, whether in tort (including negligence), 
 *  contract, or otherwise, unless required by applicable law (such as deliberate 
 *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
 *  liable for any damages, including any direct, indirect, special, incidental, 
 *  or consequential damages of any character arising as a result of this License or 
 *  out of the use or inability to use the software (including but not limited to damages 
 *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
 *  all other commercial damages or losses), even if such Contributor has been advised 
 *  of the possibility of such damages.
 */

#pragma once

/// \file
/// Declaration of Diligent::RenderDeviceD3D11Impl class

#include "RenderDeviceD3D11.h"
#include "RenderDeviceD3DBase.h"
#include "DeviceContextD3D11.h"

namespace Diligent
{

/// Render device implementation in Direct3D11 backend.
class RenderDeviceD3D11Impl final : public RenderDeviceD3DBase<IRenderDeviceD3D11>
{
public:
    using TRenderDeviceBase = RenderDeviceD3DBase<IRenderDeviceD3D11>;

    RenderDeviceD3D11Impl(IReferenceCounters*          pRefCounters,
                          IMemoryAllocator&            RawMemAllocator,
                          IEngineFactory*              pEngineFactory,
                          const EngineD3D11CreateInfo& EngineAttribs,
                          ID3D11Device*                pd3d11Device,
                          Uint32                       NumDeferredContexts);
    virtual void QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface) override final;

    /// Implementation of IRenderDevice::CreateBuffer() in Direct3D11 backend.
    virtual void CreateBuffer(const BufferDesc& BuffDesc, const BufferData* pBuffData, IBuffer** ppBuffer) override final;

    /// Implementation of IRenderDevice::CreateShader() in Direct3D11 backend.
    virtual void CreateShader(const ShaderCreateInfo& ShaderCI, IShader** ppShader) override final;

    /// Implementation of IRenderDevice::CreateTexture() in Direct3D11 backend.
    virtual void CreateTexture(const TextureDesc& TexDesc, const TextureData* pData, ITexture** ppTexture) override final;

    /// Implementation of IRenderDevice::CreateSampler() in Direct3D11 backend.
    virtual void CreateSampler(const SamplerDesc& SamplerDesc, ISampler** ppSampler) override final;

    /// Implementation of IRenderDevice::CreatePipelineState() in Direct3D11 backend.
    virtual void CreatePipelineState(const PipelineStateDesc& PipelineDesc, IPipelineState** ppPipelineState) override final;

    /// Implementation of IRenderDevice::CreateFence() in Direct3D11 backend.
    virtual void CreateFence(const FenceDesc& Desc, IFence** ppFence) override final;

    /// Implementation of IRenderDeviceD3D11::GetD3D11Device() in Direct3D11 backend.
    ID3D11Device* GetD3D11Device() override final { return m_pd3d11Device; }

    /// Implementation of IRenderDeviceD3D11::CreateBufferFromD3DResource() in Direct3D11 backend.
    virtual void CreateBufferFromD3DResource(ID3D11Buffer* pd3d11Buffer, const BufferDesc& BuffDesc, RESOURCE_STATE InitialState, IBuffer** ppBuffer) override final;

    /// Implementation of IRenderDeviceD3D11::CreateTextureFromD3DResource() for 1D textures in Direct3D11 backend.
    virtual void CreateTextureFromD3DResource(ID3D11Texture1D* pd3d11Texture, RESOURCE_STATE InitialState, ITexture** ppTexture) override final;

    /// Implementation of IRenderDeviceD3D11::CreateTextureFromD3DResource() for 2D textures in Direct3D11 backend.
    virtual void CreateTextureFromD3DResource(ID3D11Texture2D* pd3d11Texture, RESOURCE_STATE InitialState, ITexture** ppTexture) override final;

    /// Implementation of IRenderDeviceD3D11::CreateTextureFromD3DResource() for 3D textures in Direct3D11 backend.
    virtual void CreateTextureFromD3DResource(ID3D11Texture3D* pd3d11Texture, RESOURCE_STATE InitialState, ITexture** ppTexture) override final;

    /// Implementation of IRenderDevice::ReleaseStaleResources() in Direct3D11 backend.
    virtual void ReleaseStaleResources(bool ForceRelease = false) override final {}

    /// Implementation of IRenderDevice::IdleGPU() in Direct3D11 backend.
    virtual void IdleGPU() override final;

    size_t GetCommandQueueCount() const { return 1; }
    Uint64 GetCommandQueueMask() const { return Uint64{1}; }

private:
    virtual void TestTextureFormat(TEXTURE_FORMAT TexFormat) override final;

    EngineD3D11CreateInfo m_EngineAttribs;

    /// D3D11 device
    CComPtr<ID3D11Device> m_pd3d11Device;
};

} // namespace Diligent
