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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* 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
/// Defines graphics engine utilities
#include "../../GraphicsEngine/interface/GraphicsTypes.h"
#include "../../GraphicsEngine/interface/DepthStencilState.h"
#include "../../GraphicsEngine/interface/BlendState.h"
#include "../../GraphicsEngine/interface/RasterizerState.h"
#include "../../GraphicsEngine/interface/Sampler.h"
DILIGENT_BEGIN_NAMESPACE(Diligent)
// clang-format off
// Common depth-stencil states
static const DepthStencilStateDesc DSS_Default{};
static const DepthStencilStateDesc DSS_DisableDepth
{
False, // DepthEnable
False // DepthWriteEnable
};
// Common rasterizer states
static const RasterizerStateDesc RS_Default{};
static const RasterizerStateDesc RS_SolidFillNoCull
{
FILL_MODE_SOLID,
CULL_MODE_NONE
};
static const RasterizerStateDesc RS_WireFillNoCull
{
FILL_MODE_WIREFRAME,
CULL_MODE_NONE
};
// Blend states
static const BlendStateDesc BS_Default{};
static const BlendStateDesc BS_AlphaBlend =
{
False, // AlphaToCoverageEnable
False, // IndependentBlendEnable
RenderTargetBlendDesc // Render Target 0
{
True, // BlendEnable
False, // LogicOperationEnable
BLEND_FACTOR_SRC_ALPHA, // SrcBlend
BLEND_FACTOR_INV_SRC_ALPHA, // DestBlend
BLEND_OPERATION_ADD, // BlendOp
BLEND_FACTOR_SRC_ALPHA, // SrcBlendAlpha
BLEND_FACTOR_INV_SRC_ALPHA, // DestBlendAlpha
BLEND_OPERATION_ADD // BlendOpAlpha
}
};
// Common sampler states
static const SamplerDesc Sam_LinearClamp
{
FILTER_TYPE_LINEAR,
FILTER_TYPE_LINEAR,
FILTER_TYPE_LINEAR,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP
};
static const SamplerDesc Sam_PointClamp
{
FILTER_TYPE_POINT,
FILTER_TYPE_POINT,
FILTER_TYPE_POINT,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP
};
static const SamplerDesc Sam_LinearMirror
{
FILTER_TYPE_LINEAR,
FILTER_TYPE_LINEAR,
FILTER_TYPE_LINEAR,
TEXTURE_ADDRESS_MIRROR,
TEXTURE_ADDRESS_MIRROR,
TEXTURE_ADDRESS_MIRROR
};
static const SamplerDesc Sam_PointWrap
{
FILTER_TYPE_POINT,
FILTER_TYPE_POINT,
FILTER_TYPE_POINT,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP
};
static const SamplerDesc Sam_LinearWrap
{
FILTER_TYPE_LINEAR,
FILTER_TYPE_LINEAR,
FILTER_TYPE_LINEAR,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP
};
static const SamplerDesc Sam_ComparsionLinearClamp
{
FILTER_TYPE_COMPARISON_LINEAR,
FILTER_TYPE_COMPARISON_LINEAR,
FILTER_TYPE_COMPARISON_LINEAR,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
SamplerDesc{}.MipLODBias,
SamplerDesc{}.MaxAnisotropy,
COMPARISON_FUNC_LESS
};
static const SamplerDesc Sam_Aniso2xClamp
{
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
0.f, // MipLODBias
2 // MaxAnisotropy
};
static const SamplerDesc Sam_Aniso4xClamp
{
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
0.f, // MipLODBias
4 // MaxAnisotropy
};
static const SamplerDesc Sam_Aniso8xClamp
{
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
0.f, // MipLODBias
8 // MaxAnisotropy
};
static const SamplerDesc Sam_Aniso16xClamp
{
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
TEXTURE_ADDRESS_CLAMP,
0.f, // MipLODBias
16 // MaxAnisotropy
};
static const SamplerDesc Sam_Aniso4xWrap
{
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP,
0.f, // MipLODBias
4 // MaxAnisotropy
};
static const SamplerDesc Sam_Aniso8xWrap
{
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
FILTER_TYPE_ANISOTROPIC,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP,
TEXTURE_ADDRESS_WRAP,
0.f, // MipLODBias
8 // MaxAnisotropy
};
DILIGENT_END_NAMESPACE // namespace Diligent
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