From c4a49eb1ddc1da32e4f915fd7421161cedee2e8f Mon Sep 17 00:00:00 2001 From: Wollnashorn Date: Sun, 1 Jan 2023 19:22:46 +0100 Subject: video_core/opengl: Add FSR upscaling filter to the OpenGL renderer --- src/video_core/host_shaders/CMakeLists.txt | 30 +++++- .../host_shaders/opengl_fidelityfx_fsr.frag | 108 +++++++++++++++++++++ .../host_shaders/opengl_fidelityfx_fsr_easu.frag | 9 ++ .../host_shaders/opengl_fidelityfx_fsr_rcas.frag | 9 ++ 4 files changed, 154 insertions(+), 2 deletions(-) create mode 100644 src/video_core/host_shaders/opengl_fidelityfx_fsr.frag create mode 100644 src/video_core/host_shaders/opengl_fidelityfx_fsr_easu.frag create mode 100644 src/video_core/host_shaders/opengl_fidelityfx_fsr_rcas.frag (limited to 'src/video_core/host_shaders') diff --git a/src/video_core/host_shaders/CMakeLists.txt b/src/video_core/host_shaders/CMakeLists.txt index e968ae220..dad7b07d4 100644 --- a/src/video_core/host_shaders/CMakeLists.txt +++ b/src/video_core/host_shaders/CMakeLists.txt @@ -3,12 +3,16 @@ set(FIDELITYFX_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/externals/FidelityFX-FSR/ffx-fsr) -set(GLSL_INCLUDES - fidelityfx_fsr.comp +set(FIDELITYFX_FILES ${FIDELITYFX_INCLUDE_DIR}/ffx_a.h ${FIDELITYFX_INCLUDE_DIR}/ffx_fsr1.h ) +set(GLSL_INCLUDES + fidelityfx_fsr.comp + ${FIDELITYFX_FILES} +) + set(SHADER_FILES astc_decoder.comp blit_color_float.frag @@ -24,6 +28,9 @@ set(SHADER_FILES fxaa.vert opengl_convert_s8d24.comp opengl_copy_bc4.comp + opengl_fidelityfx_fsr.frag + opengl_fidelityfx_fsr_easu.frag + opengl_fidelityfx_fsr_rcas.frag opengl_present.frag opengl_present.vert opengl_present_scaleforce.frag @@ -118,6 +125,25 @@ foreach(FILENAME IN ITEMS ${SHADER_FILES}) endif() endforeach() +foreach(FILEPATH IN ITEMS ${FIDELITYFX_FILES}) + get_filename_component(FILENAME ${FILEPATH} NAME) + string(REPLACE "." "_" HEADER_NAME ${FILENAME}) + set(SOURCE_FILE ${FILEPATH}) + set(SOURCE_HEADER_FILE ${SHADER_DIR}/${HEADER_NAME}.h) + add_custom_command( + OUTPUT + ${SOURCE_HEADER_FILE} + COMMAND + ${CMAKE_COMMAND} -P ${HEADER_GENERATOR} ${SOURCE_FILE} ${SOURCE_HEADER_FILE} ${INPUT_FILE} + MAIN_DEPENDENCY + ${SOURCE_FILE} + DEPENDS + ${INPUT_FILE} + # HEADER_GENERATOR should be included here but msbuild seems to assume it's always modified + ) + set(SHADER_HEADERS ${SHADER_HEADERS} ${SOURCE_HEADER_FILE}) +endforeach() + set(SHADER_SOURCES ${SHADER_FILES}) list(APPEND SHADER_SOURCES ${GLSL_INCLUDES}) diff --git a/src/video_core/host_shaders/opengl_fidelityfx_fsr.frag b/src/video_core/host_shaders/opengl_fidelityfx_fsr.frag new file mode 100644 index 000000000..16d22f58e --- /dev/null +++ b/src/video_core/host_shaders/opengl_fidelityfx_fsr.frag @@ -0,0 +1,108 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +//!#version 460 core +#extension GL_ARB_separate_shader_objects : enable +#extension GL_ARB_shading_language_420pack : enable + +#extension GL_AMD_gpu_shader_half_float : enable +#extension GL_NV_gpu_shader5 : enable + +// FidelityFX Super Resolution Sample +// +// Copyright (c) 2021 Advanced Micro Devices, Inc. All rights reserved. +// 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. + +layout (location = 0) uniform uvec4 constants[4]; + +#define A_GPU 1 +#define A_GLSL 1 + +#ifdef YUZU_USE_FP16 + #define A_HALF +#endif +#include "ffx_a.h" + +#ifndef YUZU_USE_FP16 + layout (binding=0) uniform sampler2D InputTexture; + #if USE_EASU + #define FSR_EASU_F 1 + AF4 FsrEasuRF(AF2 p) { AF4 res = textureGather(InputTexture, p, 0); return res; } + AF4 FsrEasuGF(AF2 p) { AF4 res = textureGather(InputTexture, p, 1); return res; } + AF4 FsrEasuBF(AF2 p) { AF4 res = textureGather(InputTexture, p, 2); return res; } + #endif + #if USE_RCAS + #define FSR_RCAS_F + AF4 FsrRcasLoadF(ASU2 p) { return texelFetch(InputTexture, ASU2(p), 0); } + void FsrRcasInputF(inout AF1 r, inout AF1 g, inout AF1 b) {} + #endif +#else + layout (binding=0) uniform sampler2D InputTexture; + #if USE_EASU + #define FSR_EASU_H 1 + AH4 FsrEasuRH(AF2 p) { AH4 res = AH4(textureGather(InputTexture, p, 0)); return res; } + AH4 FsrEasuGH(AF2 p) { AH4 res = AH4(textureGather(InputTexture, p, 1)); return res; } + AH4 FsrEasuBH(AF2 p) { AH4 res = AH4(textureGather(InputTexture, p, 2)); return res; } + #endif + #if USE_RCAS + #define FSR_RCAS_H + AH4 FsrRcasLoadH(ASW2 p) { return AH4(texelFetch(InputTexture, ASU2(p), 0)); } + void FsrRcasInputH(inout AH1 r,inout AH1 g,inout AH1 b){} + #endif +#endif + +#include "ffx_fsr1.h" + +#if USE_RCAS + layout(location = 0) in vec2 frag_texcoord; +#endif +layout (location = 0) out vec4 frag_color; + +void CurrFilter(AU2 pos) +{ +#if USE_EASU + #ifndef YUZU_USE_FP16 + AF3 c; + FsrEasuF(c, pos, constants[0], constants[1], constants[2], constants[3]); + frag_color = AF4(c, 1.0); + #else + AH3 c; + FsrEasuH(c, pos, constants[0], constants[1], constants[2], constants[3]); + frag_color = AH4(c, 1.0); + #endif +#endif +#if USE_RCAS + #ifndef YUZU_USE_FP16 + AF3 c; + FsrRcasF(c.r, c.g, c.b, pos, constants[0]); + frag_color = AF4(c, 1.0); + #else + AH3 c; + FsrRcasH(c.r, c.g, c.b, pos, constants[0]); + frag_color = AH4(c, 1.0); + #endif +#endif +} + +void main() +{ +#if USE_RCAS + CurrFilter(AU2(frag_texcoord * vec2(textureSize(InputTexture, 0)))); +#else + CurrFilter(AU2(gl_FragCoord.xy)); +#endif +} diff --git a/src/video_core/host_shaders/opengl_fidelityfx_fsr_easu.frag b/src/video_core/host_shaders/opengl_fidelityfx_fsr_easu.frag new file mode 100644 index 000000000..d39f80ac1 --- /dev/null +++ b/src/video_core/host_shaders/opengl_fidelityfx_fsr_easu.frag @@ -0,0 +1,9 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#version 460 core +#extension GL_GOOGLE_include_directive : enable + +#define USE_EASU 1 + +#include "opengl_fidelityfx_fsr.frag" diff --git a/src/video_core/host_shaders/opengl_fidelityfx_fsr_rcas.frag b/src/video_core/host_shaders/opengl_fidelityfx_fsr_rcas.frag new file mode 100644 index 000000000..cfa78ddc7 --- /dev/null +++ b/src/video_core/host_shaders/opengl_fidelityfx_fsr_rcas.frag @@ -0,0 +1,9 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#version 460 core +#extension GL_GOOGLE_include_directive : enable + +#define USE_RCAS 1 + +#include "opengl_fidelityfx_fsr.frag" -- cgit v1.2.3