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/*
* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#pragma once
#include "Common.h"
#include "UserTexture.h"
namespace GFSDK
{
namespace SSAO
{
#if SUPPORT_D3D11
namespace D3D11
{
//--------------------------------------------------------------------------------
enum BlendPassEnumType
{
BLEND_PASS_0,
BLEND_PASS_1,
BLEND_PASS_COUNT,
};
//--------------------------------------------------------------------------------
struct OutputInfo
{
GFSDK::SSAO::D3D11::UserTextureRTV RenderTarget;
GFSDK::SSAO::D3D11::UserTextureDSV DepthStencilBuffer;
UINT BlendPassCount;
GFSDK_SSAO_BlendState_D3D11 Blend[BLEND_PASS_COUNT];
GFSDK_SSAO_DepthStencilState_D3D11 DepthStencil[BLEND_PASS_COUNT];
OutputInfo()
{
ZERO_STRUCT(*this);
}
GFSDK_SSAO_Status Init(const GFSDK_SSAO_Output_D3D11& Output)
{
GFSDK_SSAO_Status Status;
Status = RenderTarget.Init(Output.pRenderTargetView);
if (Status != GFSDK_SSAO_OK)
{
return Status;
}
Status = InitBlendState(Output);
if (Status != GFSDK_SSAO_OK)
{
return Status;
}
return GFSDK_SSAO_OK;
}
GFSDK_SSAO_Status InitBlendState(const GFSDK_SSAO_Output_D3D11& Output)
{
if (Output.TwoPassBlend.Enable)
{
return InitTwoPassBlend(Output.TwoPassBlend);
}
return InitSinglePassBlend(Output.Blend);
}
private:
GFSDK_SSAO_Status InitSinglePassBlend(const GFSDK_SSAO_BlendState_D3D11& BlendState)
{
BlendPassCount = 1;
Blend[BLEND_PASS_0] = BlendState;
return GFSDK_SSAO_OK;
}
GFSDK_SSAO_Status InitTwoPassBlend(const GFSDK_SSAO_TwoPassBlend_D3D11& TwoPassBlend)
{
GFSDK_SSAO_Status Status = DepthStencilBuffer.Init(TwoPassBlend.pDepthStencilView);
if (Status != GFSDK_SSAO_OK)
{
return Status;
}
BlendPassCount = 2;
Blend[BLEND_PASS_0] = TwoPassBlend.FirstPass.Blend;
Blend[BLEND_PASS_1] = TwoPassBlend.SecondPass.Blend;
DepthStencil[BLEND_PASS_0] = TwoPassBlend.FirstPass.DepthStencil;
DepthStencil[BLEND_PASS_1] = TwoPassBlend.SecondPass.DepthStencil;
return GFSDK_SSAO_OK;
}
};
} // namespace D3D11
#endif // SUPPORT_D3D11
#if SUPPORT_D3D12
namespace D3D12
{
//--------------------------------------------------------------------------------
struct OutputInfo
{
OutputInfo()
{
}
GFSDK_SSAO_Status Init(const GFSDK_SSAO_Output_D3D12& Output)
{
GFSDK_SSAO_Status Status;
Status = RenderTarget.Init(Output.pRenderTargetView);
if (Status != GFSDK_SSAO_OK)
{
return Status;
}
Blend = Output.Blend;
return GFSDK_SSAO_OK;
}
GFSDK::SSAO::D3D12::UserTextureRTV RenderTarget;
GFSDK_SSAO_BlendState_D3D12 Blend;
};
} // namespace D3D12
#endif // SUPPORT_D3D12
//--------------------------------------------------------------------------------
#if SUPPORT_GL
namespace GL
{
struct OutputInfo
{
OutputInfo()
: FboId(0)
, SampleCount(0)
{
}
GFSDK_SSAO_Status Init(const GFSDK_SSAO_Output_GL& Output)
{
FboId = Output.OutputFBO;
SampleCount = 1;
Blend = Output.Blend;
return GFSDK_SSAO_OK;
}
GLuint FboId;
UINT SampleCount;
GFSDK_SSAO_BlendState_GL Blend;
};
} // namespace GL
#endif // SUPPORT_GL
} // namespace SSAO
} // namespace GFSDK
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