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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and 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.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
#if SUPPORT_D3D11
#include "States_DX11.h"
//--------------------------------------------------------------------------------
void GFSDK::SSAO::D3D11::States::CreateBlendStates(ID3D11Device* pD3DDevice)
{
//
// Create BlendState_Disabled
//
D3D11_BLEND_DESC BlendStateDesc;
BlendStateDesc.AlphaToCoverageEnable = FALSE;
BlendStateDesc.IndependentBlendEnable = TRUE;
for (UINT i = 0; i < SIZEOF_ARRAY(BlendStateDesc.RenderTarget); ++i)
{
BlendStateDesc.RenderTarget[i].BlendEnable = FALSE;
BlendStateDesc.RenderTarget[i].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
}
SAFE_D3D_CALL( pD3DDevice->CreateBlendState(&BlendStateDesc, &m_pBlendState_Disabled) );
//
// Create BlendState_Multiply_PreserveAlpha
//
BlendStateDesc.RenderTarget[0].BlendEnable = TRUE;
BlendStateDesc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_RED | D3D11_COLOR_WRITE_ENABLE_GREEN | D3D11_COLOR_WRITE_ENABLE_BLUE;
BlendStateDesc.RenderTarget[0].SrcBlend = D3D11_BLEND_ZERO;
BlendStateDesc.RenderTarget[0].DestBlend = D3D11_BLEND_SRC_COLOR;
BlendStateDesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
BlendStateDesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ZERO;
BlendStateDesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ONE;
BlendStateDesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
SAFE_D3D_CALL( pD3DDevice->CreateBlendState(&BlendStateDesc, &m_pBlendState_Multiply_PreserveAlpha) );
//
// Create BlendState_Disabled_PreserveAlpha
//
BlendStateDesc.RenderTarget[0].BlendEnable = FALSE;
SAFE_D3D_CALL( pD3DDevice->CreateBlendState(&BlendStateDesc, &m_pBlendState_Disabled_PreserveAlpha) );
}
//--------------------------------------------------------------------------------
void GFSDK::SSAO::D3D11::States::CreateDepthStencilStates(ID3D11Device* pD3DDevice)
{
//
// Create DepthStencilState_Disabled
//
static D3D11_DEPTH_STENCIL_DESC DepthStencilDesc =
{0x0, //DepthEnable
D3D11_DEPTH_WRITE_MASK_ZERO, //DepthWriteMask
D3D11_COMPARISON_NEVER, //DepthFunc
0x0, //StencilEnable
0xFF, //StencilReadMask
0xFF, //StencilWriteMask
{D3D11_STENCIL_OP_KEEP, //StencilFailOp
D3D11_STENCIL_OP_KEEP, //StencilDepthFailOp
D3D11_STENCIL_OP_KEEP, //StencilPassOp
D3D11_COMPARISON_ALWAYS //StencilFunc
}, //FrontFace
{D3D11_STENCIL_OP_KEEP, //StencilFailOp
D3D11_STENCIL_OP_KEEP, //StencilDepthFailOp
D3D11_STENCIL_OP_KEEP, //StencilPassOp
D3D11_COMPARISON_ALWAYS //StencilFunc
} //BackFace
};
SAFE_D3D_CALL( pD3DDevice->CreateDepthStencilState(&DepthStencilDesc, &m_pDepthStencilState_Disabled) );
}
//--------------------------------------------------------------------------------
void GFSDK::SSAO::D3D11::States::CreateRasterizerStates(ID3D11Device* pD3DDevice)
{
//
// Create RasterizerState_Fullscreen_NoScissor
//
static D3D11_RASTERIZER_DESC D3D11_RASTERIZER_DESC_0 =
{D3D11_FILL_SOLID, //FillMode
D3D11_CULL_BACK, //CullMode
0x0, //FrontCounterClockwise
0x0/*0.000000f*/, //DepthBias
0.f, //DepthBiasClamp
0.f, //SlopeScaledDepthBias
0x1, //DepthClipEnable
0x0, //ScissorEnable
0x0, //MultisampleEnable
0x0 //AntialiasedLineEnable
};
SAFE_D3D_CALL( pD3DDevice->CreateRasterizerState(&D3D11_RASTERIZER_DESC_0, &m_pRasterizerState_Fullscreen_NoScissor) );
}
//--------------------------------------------------------------------------------
void GFSDK::SSAO::D3D11::States::CreateSamplerStates(ID3D11Device* pD3DDevice)
{
//
// Create SamplerState_PointClamp
//
D3D11_SAMPLER_DESC SamplerDesc;
memset(&SamplerDesc, 0, sizeof(SamplerDesc));
SamplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
SamplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
SamplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
SamplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
SamplerDesc.MipLODBias = 0.0f;
SamplerDesc.MaxAnisotropy = 1;
SamplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
SamplerDesc.BorderColor[0] = -D3D11_FLOAT32_MAX;
SamplerDesc.MinLOD = 0;
SamplerDesc.MaxLOD = 0;
SAFE_D3D_CALL( pD3DDevice->CreateSamplerState(&SamplerDesc, &m_pSamplerState_PointClamp) );
//
// Create SamplerState_PointBorder
//
SamplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_BORDER;
SamplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_BORDER;
SAFE_D3D_CALL( pD3DDevice->CreateSamplerState(&SamplerDesc, &m_pSamplerState_PointBorder) );
//
// Create SamplerState_LinearClamp
//
SamplerDesc.Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT;
SamplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
SamplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
SAFE_D3D_CALL( pD3DDevice->CreateSamplerState(&SamplerDesc, &m_pSamplerState_LinearClamp) );
#if ENABLE_DEBUG_MODES
//
// Create SamplerState_PointWrap
//
SamplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
SamplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP;
SamplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
SAFE_D3D_CALL( pD3DDevice->CreateSamplerState(&SamplerDesc, &m_pSamplerState_PointWrap) );
#endif
}
//--------------------------------------------------------------------------------
void GFSDK::SSAO::D3D11::States::Create(ID3D11Device* pD3DDevice)
{
CreateBlendStates(pD3DDevice);
CreateDepthStencilStates(pD3DDevice);
CreateRasterizerStates(pD3DDevice);
CreateSamplerStates(pD3DDevice);
}
//--------------------------------------------------------------------------------
void GFSDK::SSAO::D3D11::States::Release()
{
SAFE_RELEASE(m_pBlendState_Disabled);
SAFE_RELEASE(m_pBlendState_Multiply_PreserveAlpha);
SAFE_RELEASE(m_pBlendState_Disabled_PreserveAlpha);
SAFE_RELEASE(m_pDepthStencilState_Disabled);
SAFE_RELEASE(m_pRasterizerState_Fullscreen_NoScissor);
SAFE_RELEASE(m_pSamplerState_PointClamp);
SAFE_RELEASE(m_pSamplerState_PointBorder);
SAFE_RELEASE(m_pSamplerState_LinearClamp);
#if ENABLE_DEBUG_MODES
SAFE_RELEASE(m_pSamplerState_PointWrap);
#endif
}
#endif // SUPPORT_D3D11
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