// Copyright (c) 2024 Nico de Poel
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// 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. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma kernel CS

#pragma multi_compile_local __ FFX_HALF
#pragma multi_compile_local __ FFX_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE
#pragma multi_compile_local __ FFX_FSR2_OPTION_HDR_COLOR_INPUT
#pragma multi_compile_local __ FFX_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS
#pragma multi_compile_local __ FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
#pragma multi_compile_local __ FFX_FSR2_OPTION_INVERTED_DEPTH
#pragma multi_compile_local __ FFX_FSR2_OPTION_APPLY_SHARPENING

#pragma multi_compile_local __ UNITY_FSR_HDRP
#pragma multi_compile __ DISABLE_TEXTURE2D_X_ARRAY

#include "ffx_fsr_unity_common.cginc"

// Ensure the correct value is defined for this keyword, as it is used to select one of multiple sampler functions
#ifdef FFX_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE
#undef FFX_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE
#define FFX_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE 1
#endif

#include "shaders/ffx_fsr2_accumulate_pass.hlsl"