45 lines
2.3 KiB
C++
45 lines
2.3 KiB
C++
// This file is part of the FidelityFX Super Resolution 3.1 Unreal Engine Plugin.
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//
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// Copyright (c) 2023-2025 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include "FFXRHIBackend.h"
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#include "GlobalShader.h"
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//-------------------------------------------------------------------------------------
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// Permutation variables for FFX shaders.
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//-------------------------------------------------------------------------------------
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class FFX_UseHalf : SHADER_PERMUTATION_BOOL("FFX_HALF");
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class FFX_PreferWave64 : SHADER_PERMUTATION_BOOL("_FFX_PREFER_WAVE64_");
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//-------------------------------------------------------------------------------------
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// Common base class for the FFX shaders that handles the permutation support.
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//-------------------------------------------------------------------------------------
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class FFXRHIBACKEND_API FFXGlobalShader : public FGlobalShader
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{
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public:
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FFXGlobalShader() = default;
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FFXGlobalShader(const ShaderMetaType::CompiledShaderInitializerType Init) : FGlobalShader(Init) {}
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static bool ShouldCompilePermutation(const FGlobalShaderPermutationParameters& Parameters);
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static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment, bool bPreferWave64);
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};
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