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3 commits
2988972107
...
08609ab94d
Author | SHA1 | Date | |
---|---|---|---|
08609ab94d | |||
efe9c30997 | |||
f33a771d58 |
13 changed files with 161 additions and 3 deletions
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@ -166,7 +166,7 @@ ENUM(ResolutionSetup,
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Res7X,
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Res7X,
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Res8X);
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Res8X);
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ENUM(ScalingFilter, NearestNeighbor, Bilinear, Bicubic, Gaussian, ScaleForce, Fsr, Area, MaxEnum);
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ENUM(ScalingFilter, NearestNeighbor, Bilinear, Bicubic, Spline1, Gaussian, Lanczos, ScaleForce, Fsr, Area, MaxEnum);
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ENUM(AntiAliasing, None, Fxaa, Smaa, MaxEnum);
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ENUM(AntiAliasing, None, Fxaa, Smaa, MaxEnum);
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@ -572,7 +572,9 @@ std::unique_ptr<ComboboxTranslationMap> ComboboxEnumeration(QObject* parent)
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PAIR(ScalingFilter, NearestNeighbor, tr("Nearest Neighbor")),
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PAIR(ScalingFilter, NearestNeighbor, tr("Nearest Neighbor")),
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PAIR(ScalingFilter, Bilinear, tr("Bilinear")),
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PAIR(ScalingFilter, Bilinear, tr("Bilinear")),
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PAIR(ScalingFilter, Bicubic, tr("Bicubic")),
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PAIR(ScalingFilter, Bicubic, tr("Bicubic")),
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PAIR(ScalingFilter, Spline1, tr("Spline-1")),
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PAIR(ScalingFilter, Gaussian, tr("Gaussian")),
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PAIR(ScalingFilter, Gaussian, tr("Gaussian")),
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PAIR(ScalingFilter, Lanczos, tr("Lanczos")),
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PAIR(ScalingFilter, ScaleForce, tr("ScaleForce")),
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PAIR(ScalingFilter, ScaleForce, tr("ScaleForce")),
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PAIR(ScalingFilter, Fsr, tr("AMD FidelityFX™️ Super Resolution")),
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PAIR(ScalingFilter, Fsr, tr("AMD FidelityFX™️ Super Resolution")),
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PAIR(ScalingFilter, Area, tr("Area")),
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PAIR(ScalingFilter, Area, tr("Area")),
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@ -38,8 +38,12 @@ static const std::map<Settings::ScalingFilter, QString> scaling_filter_texts_map
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{Settings::ScalingFilter::Bilinear,
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{Settings::ScalingFilter::Bilinear,
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Bilinear"))},
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Bilinear"))},
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{Settings::ScalingFilter::Bicubic, QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Bicubic"))},
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{Settings::ScalingFilter::Bicubic, QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Bicubic"))},
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{Settings::ScalingFilter::Spline1,
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Spline-1"))},
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{Settings::ScalingFilter::Gaussian,
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{Settings::ScalingFilter::Gaussian,
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Gaussian"))},
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Gaussian"))},
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{Settings::ScalingFilter::Lanczos,
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "Lanczos"))},
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{Settings::ScalingFilter::ScaleForce,
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{Settings::ScalingFilter::ScaleForce,
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "ScaleForce"))},
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QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "ScaleForce"))},
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{Settings::ScalingFilter::Fsr, QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "FSR"))},
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{Settings::ScalingFilter::Fsr, QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "FSR"))},
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@ -1,5 +1,5 @@
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# SPDX-FileCopyrightText: 2018 yuzu Emulator Project
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# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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# SPDX-License-Identifier: GPL-2.0-or-later
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# SPDX-License-Identifier: GPL-3.0-or-later
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set(FIDELITYFX_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/externals/FidelityFX-FSR/ffx-fsr)
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set(FIDELITYFX_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/externals/FidelityFX-FSR/ffx-fsr)
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@ -45,6 +45,8 @@ set(SHADER_FILES
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present_area.frag
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present_area.frag
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present_bicubic.frag
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present_bicubic.frag
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present_gaussian.frag
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present_gaussian.frag
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present_lanczos.frag
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present_spline1.frag
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queries_prefix_scan_sum.comp
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queries_prefix_scan_sum.comp
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queries_prefix_scan_sum_nosubgroups.comp
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queries_prefix_scan_sum_nosubgroups.comp
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resolve_conditional_render.comp
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resolve_conditional_render.comp
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40
src/video_core/host_shaders/present_lanczos.frag
Normal file
40
src/video_core/host_shaders/present_lanczos.frag
Normal file
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@ -0,0 +1,40 @@
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// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// https://en.wikipedia.org/wiki/Lanczos_resampling
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#version 460 core
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layout (location = 0) in vec2 frag_tex_coord;
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layout (location = 0) out vec4 color;
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layout (binding = 0) uniform sampler2D color_texture;
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#define PI 3.1415926535897932384626433
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float sinc(float x) {
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return x == 0.0f ? 1.0f : sin(PI * x) / (PI * x);
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}
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float lanczos(vec2 v, float a) {
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float d = length(v);
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return sinc(d) / sinc(d / a);
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}
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vec4 textureLanczos(sampler2D textureSampler, vec2 p) {
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vec3 c_sum = vec3(0.0f);
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float w_sum = 0.0f;
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vec2 res = vec2(textureSize(textureSampler, 0));
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vec2 cc = floor(p * res) / res;
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// kernel size = (2r + 1)^2
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const int r = 3; //radius (1 = 3 steps)
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for (int x = -r; x <= r; x++)
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for (int y = -r; y <= r; y++) {
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vec2 kp = 0.5f * (vec2(x, y) / res); // 0.5 = half-pixel level resampling
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vec2 uv = cc + kp;
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float w = lanczos(kp, float(r));
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c_sum += w * texture(textureSampler, p + kp).rgb;
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w_sum += w;
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}
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return vec4(c_sum / w_sum, 1.0f);
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}
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void main() {
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color = textureLanczos(color_texture, frag_tex_coord);
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}
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24
src/video_core/host_shaders/present_spline1.frag
Normal file
24
src/video_core/host_shaders/present_spline1.frag
Normal file
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@ -0,0 +1,24 @@
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// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// Spline (smooth linear inerpolation) with 1 texel fetch (needs bilinear to work)
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// Emulates bicubic without actually doing bicubic
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// See https://iquilezles.org/articles/texture, unfortunely there are issues with the original
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// where smoothstep "expansion" actually results in worse codegen (SPIRV-Opt does a direct conv to smoothstep)
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// TODO: Numerical analysis - fract is sawtooth func and floor, reuse params? Perhaps - no need for precision
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#version 460 core
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layout (location = 0) in vec2 frag_tex_coord;
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layout (location = 0) out vec4 color;
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layout (binding = 0) uniform sampler2D color_texture;
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vec4 textureSpline1(sampler2D sam, vec2 uv) {
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float r = float(textureSize(sam, 0).x);
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vec2 x = fract(uv * r + 0.5);
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return texture(sam, (floor(uv * r + 0.5) + smoothstep(0.0, 1.0, x) - 0.5) / r);
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}
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void main() {
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color = textureSpline1(color_texture, frag_tex_coord);
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}
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@ -89,6 +89,12 @@ void BlitScreen::CreateWindowAdapt() {
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case Settings::ScalingFilter::Gaussian:
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case Settings::ScalingFilter::Gaussian:
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window_adapt = MakeGaussian(device);
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window_adapt = MakeGaussian(device);
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break;
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break;
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case Settings::ScalingFilter::Spline1:
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window_adapt = MakeSpline1(device);
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break;
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case Settings::ScalingFilter::Lanczos:
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window_adapt = MakeLanczos(device);
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break;
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case Settings::ScalingFilter::ScaleForce:
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case Settings::ScalingFilter::ScaleForce:
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window_adapt = MakeScaleForce(device);
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window_adapt = MakeScaleForce(device);
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break;
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break;
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@ -12,6 +12,7 @@
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#include "video_core/host_shaders/present_area_frag.h"
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#include "video_core/host_shaders/present_area_frag.h"
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#include "video_core/host_shaders/present_bicubic_frag.h"
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#include "video_core/host_shaders/present_bicubic_frag.h"
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#include "video_core/host_shaders/present_gaussian_frag.h"
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#include "video_core/host_shaders/present_gaussian_frag.h"
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#include "video_core/host_shaders/present_lanczos_frag.h"
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#include "video_core/renderer_opengl/present/filters.h"
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#include "video_core/renderer_opengl/present/filters.h"
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#include "video_core/renderer_opengl/present/util.h"
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#include "video_core/renderer_opengl/present/util.h"
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@ -27,6 +28,11 @@ std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device) {
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HostShaders::OPENGL_PRESENT_FRAG);
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HostShaders::OPENGL_PRESENT_FRAG);
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}
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}
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std::unique_ptr<WindowAdaptPass> MakeSpline1(const Device& device) {
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return std::make_unique<WindowAdaptPass>(device, CreateBilinearSampler(),
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HostShaders::PRESENT_SPLINE1_FRAG);
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}
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device) {
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device) {
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return std::make_unique<WindowAdaptPass>(device, CreateBilinearSampler(),
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return std::make_unique<WindowAdaptPass>(device, CreateBilinearSampler(),
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HostShaders::PRESENT_BICUBIC_FRAG);
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HostShaders::PRESENT_BICUBIC_FRAG);
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@ -37,6 +43,11 @@ std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device) {
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HostShaders::PRESENT_GAUSSIAN_FRAG);
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HostShaders::PRESENT_GAUSSIAN_FRAG);
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}
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}
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std::unique_ptr<WindowAdaptPass> MakeLanczos(const Device& device) {
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return std::make_unique<WindowAdaptPass>(device, CreateBilinearSampler(),
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HostShaders::PRESENT_LANCZOS_FRAG);
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}
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device) {
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device) {
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return std::make_unique<WindowAdaptPass>(
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return std::make_unique<WindowAdaptPass>(
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device, CreateBilinearSampler(),
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device, CreateBilinearSampler(),
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@ -18,6 +18,8 @@ std::unique_ptr<WindowAdaptPass> MakeNearestNeighbor(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeSpline1(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeLanczos(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeArea(const Device& device);
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std::unique_ptr<WindowAdaptPass> MakeArea(const Device& device);
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@ -12,6 +12,7 @@
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#include "video_core/host_shaders/present_area_frag_spv.h"
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#include "video_core/host_shaders/present_area_frag_spv.h"
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#include "video_core/host_shaders/present_bicubic_frag_spv.h"
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#include "video_core/host_shaders/present_bicubic_frag_spv.h"
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#include "video_core/host_shaders/present_gaussian_frag_spv.h"
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#include "video_core/host_shaders/present_gaussian_frag_spv.h"
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#include "video_core/host_shaders/present_lanczos_frag_spv.h"
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#include "video_core/host_shaders/vulkan_present_frag_spv.h"
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#include "video_core/host_shaders/vulkan_present_frag_spv.h"
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#include "video_core/host_shaders/vulkan_present_scaleforce_fp16_frag_spv.h"
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#include "video_core/host_shaders/vulkan_present_scaleforce_fp16_frag_spv.h"
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#include "video_core/host_shaders/vulkan_present_scaleforce_fp32_frag_spv.h"
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#include "video_core/host_shaders/vulkan_present_scaleforce_fp32_frag_spv.h"
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@ -45,6 +46,11 @@ std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device, VkFormat fra
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BuildShader(device, VULKAN_PRESENT_FRAG_SPV));
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BuildShader(device, VULKAN_PRESENT_FRAG_SPV));
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}
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}
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std::unique_ptr<WindowAdaptPass> MakeSpline1(const Device& device, VkFormat frame_format) {
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return std::make_unique<WindowAdaptPass>(device, frame_format, CreateBilinearSampler(device),
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BuildShader(device, PRESENT_SPLINE1_FRAG_SPV));
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}
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device, VkFormat frame_format) {
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device, VkFormat frame_format) {
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// No need for handrolled shader -- if the VK impl can do it for us ;)
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// No need for handrolled shader -- if the VK impl can do it for us ;)
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if (device.IsExtFilterCubicSupported())
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if (device.IsExtFilterCubicSupported())
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@ -59,6 +65,11 @@ std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device, VkFormat fra
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BuildShader(device, PRESENT_GAUSSIAN_FRAG_SPV));
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BuildShader(device, PRESENT_GAUSSIAN_FRAG_SPV));
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}
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}
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std::unique_ptr<WindowAdaptPass> MakeLanczos(const Device& device, VkFormat frame_format) {
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return std::make_unique<WindowAdaptPass>(device, frame_format, CreateBilinearSampler(device),
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BuildShader(device, PRESENT_LANCZOS_FRAG_SPV));
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}
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device, VkFormat frame_format) {
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device, VkFormat frame_format) {
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return std::make_unique<WindowAdaptPass>(device, frame_format, CreateBilinearSampler(device),
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return std::make_unique<WindowAdaptPass>(device, frame_format, CreateBilinearSampler(device),
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SelectScaleForceShader(device));
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SelectScaleForceShader(device));
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@ -18,7 +18,9 @@ class MemoryAllocator;
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std::unique_ptr<WindowAdaptPass> MakeNearestNeighbor(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeNearestNeighbor(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeSpline1(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeLanczos(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeArea(const Device& device, VkFormat frame_format);
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std::unique_ptr<WindowAdaptPass> MakeArea(const Device& device, VkFormat frame_format);
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@ -43,9 +43,15 @@ void BlitScreen::SetWindowAdaptPass() {
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case Settings::ScalingFilter::Bicubic:
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case Settings::ScalingFilter::Bicubic:
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window_adapt = MakeBicubic(device, swapchain_view_format);
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window_adapt = MakeBicubic(device, swapchain_view_format);
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break;
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break;
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case Settings::ScalingFilter::Spline1:
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window_adapt = MakeSpline1(device, swapchain_view_format);
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break;
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case Settings::ScalingFilter::Gaussian:
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case Settings::ScalingFilter::Gaussian:
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window_adapt = MakeGaussian(device, swapchain_view_format);
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window_adapt = MakeGaussian(device, swapchain_view_format);
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break;
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break;
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case Settings::ScalingFilter::Lanczos:
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window_adapt = MakeLanczos(device, swapchain_view_format);
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break;
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case Settings::ScalingFilter::ScaleForce:
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case Settings::ScalingFilter::ScaleForce:
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window_adapt = MakeScaleForce(device, swapchain_view_format);
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window_adapt = MakeScaleForce(device, swapchain_view_format);
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break;
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break;
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48
tools/lanczos_gen.c
Normal file
48
tools/lanczos_gen.c
Normal file
|
@ -0,0 +1,48 @@
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||||||
|
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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|
// SPDX-License-Identifier: GPL-3.0-or-later
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|
// clang -lm tools/lanczos_gen.c -o tools/lanczos_gen && ./tools/lanczos_gen
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#include <stdio.h>
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#include <math.h>
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double sinc(double x) {
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return x == 0.0f ? 1.0f : sin(M_PI * x) / (M_PI * x);
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}
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typedef struct vec2 {
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double x;
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double y;
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||||||
|
} vec2;
|
||||||
|
|
||||||
|
double lanczos(vec2 v, float a) {
|
||||||
|
double d = sqrt(v.x * v.x + v.y * v.y);
|
||||||
|
return sinc(d) / sinc(d / a);
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char* argv[]) {
|
||||||
|
const int r = 3; //radius (1 = 3 steps)
|
||||||
|
const int k_size = (r * 2 + 1) * (r * 2 + 1);
|
||||||
|
double w_sum = 0.0f;
|
||||||
|
// kernel size = (r * 2 + 1) ^ 2
|
||||||
|
printf("const float w_kernel[%i] = float[] (\n ", k_size);
|
||||||
|
double factor = 1.0f / ((double)r + 1.0f);
|
||||||
|
for (int x = -r; x <= r; x++)
|
||||||
|
for (int y = -r; y <= r; y++) {
|
||||||
|
double w = lanczos((vec2){ .x = x, .y = y }, (double)r);
|
||||||
|
printf("%lff, ", w);
|
||||||
|
w_sum += w;
|
||||||
|
}
|
||||||
|
printf("\n);\n");
|
||||||
|
printf("const vec2 w_pos[%i] = vec2[] (\n ", k_size);
|
||||||
|
for (int x = -r; x <= r; x++)
|
||||||
|
for (int y = -r; y <= r; y++) {
|
||||||
|
vec2 kp = (vec2){
|
||||||
|
.x = x * factor,
|
||||||
|
.y = y * factor
|
||||||
|
};
|
||||||
|
printf("vec2(%lff, %lff), ", kp.x, kp.y);
|
||||||
|
}
|
||||||
|
printf("\n);\n");
|
||||||
|
printf("const float w_sum = %lff;\n", w_sum);
|
||||||
|
return 0;
|
||||||
|
}
|
Loading…
Add table
Add a link
Reference in a new issue