diff --git a/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/IntSetting.kt b/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/IntSetting.kt
index 8608616c3..9aa4b5902 100644
--- a/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/IntSetting.kt
+++ b/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/IntSetting.kt
@@ -28,6 +28,7 @@ enum class IntSetting(override val key: String) : AbstractIntSetting {
LOCK_DRAWER("lock_drawer"),
VERTICAL_ALIGNMENT("vertical_alignment"),
FSR_SHARPENING_SLIDER("fsr_sharpening_slider"),
+ FSR2_QUALITY_MODE("fsr2_quality_mode"),
// Zep Zone settings
MEMORY_LAYOUT_MODE("memory_layout_mode"),
diff --git a/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/view/SettingsItem.kt b/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/view/SettingsItem.kt
index 922d63dd3..8a5765166 100644
--- a/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/view/SettingsItem.kt
+++ b/src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/view/SettingsItem.kt
@@ -245,6 +245,15 @@ abstract class SettingsItem(
units = "%"
)
)
+ put(
+ SingleChoiceSetting(
+ IntSetting.FSR2_QUALITY_MODE,
+ titleId = R.string.fsr2_quality_mode,
+ descriptionId = R.string.fsr2_quality_mode_description,
+ choicesId = R.array.fsr2QualityModeNames,
+ valuesId = R.array.fsr2QualityModeValues
+ )
+ )
put(
SingleChoiceSetting(
IntSetting.RENDERER_ANTI_ALIASING,
diff --git a/src/android/app/src/main/java/org/citron/citron_emu/features/settings/ui/SettingsFragmentPresenter.kt b/src/android/app/src/main/java/org/citron/citron_emu/features/settings/ui/SettingsFragmentPresenter.kt
index 6b7919c34..3f8bd9e09 100644
--- a/src/android/app/src/main/java/org/citron/citron_emu/features/settings/ui/SettingsFragmentPresenter.kt
+++ b/src/android/app/src/main/java/org/citron/citron_emu/features/settings/ui/SettingsFragmentPresenter.kt
@@ -182,6 +182,7 @@ class SettingsFragmentPresenter(
add(IntSetting.RENDERER_VSYNC.key)
add(IntSetting.RENDERER_SCALING_FILTER.key)
add(IntSetting.FSR_SHARPENING_SLIDER.key)
+ add(IntSetting.FSR2_QUALITY_MODE.key)
add(IntSetting.RENDERER_ANTI_ALIASING.key)
add(IntSetting.MAX_ANISOTROPY.key)
add(IntSetting.RENDERER_SCREEN_LAYOUT.key)
diff --git a/src/android/app/src/main/res/values-fr/strings.xml b/src/android/app/src/main/res/values-fr/strings.xml
index b8950180c..537d85f59 100644
--- a/src/android/app/src/main/res/values-fr/strings.xml
+++ b/src/android/app/src/main/res/values-fr/strings.xml
@@ -228,6 +228,12 @@
Filtre de fenêtre adaptatif
Netteté FSR
Détermine à quel point l\'image sera affinée lors de l\'utilisation du contraste dynamique FSR.
+ Mode qualité FSR 2.0
+ Sélectionne le mode qualité pour l\'upscaling FSR 2.0. Qualité offre une meilleure qualité d\'image, Performance offre de meilleures performances.
+ Qualité
+ Équilibré
+ Performance
+ Performance Ultra
Méthode d\'anticrénelage
Forcer les fréquences maximales (Adreno uniquement)
Forcer le GPU à fonctionner à ses fréquences maximales possibles (les contraintes thermiques seront toujours appliquées).
@@ -558,6 +564,7 @@
Gaussien
ScaleForce
AMD FidelityFX™ Super Resolution
+ AMD FidelityFX™ Super Resolution 2.0
Aucune
diff --git a/src/android/app/src/main/res/values/arrays.xml b/src/android/app/src/main/res/values/arrays.xml
index cf9c29058..62d98fcbc 100644
--- a/src/android/app/src/main/res/values/arrays.xml
+++ b/src/android/app/src/main/res/values/arrays.xml
@@ -160,6 +160,7 @@
- @string/scaling_filter_gaussian
- @string/scaling_filter_scale_force
- @string/scaling_filter_fsr
+ - @string/scaling_filter_fsr2
@@ -169,6 +170,21 @@
- 3
- 4
- 5
+ - 6
+
+
+
+ - @string/fsr2_quality_quality
+ - @string/fsr2_quality_balanced
+ - @string/fsr2_quality_performance
+ - @string/fsr2_quality_ultra_performance
+
+
+
+ - 0
+ - 1
+ - 2
+ - 3
diff --git a/src/android/app/src/main/res/values/strings.xml b/src/android/app/src/main/res/values/strings.xml
index 38c219001..df19d9491 100644
--- a/src/android/app/src/main/res/values/strings.xml
+++ b/src/android/app/src/main/res/values/strings.xml
@@ -229,6 +229,12 @@
Window adapting filter
FSR sharpness
Determines how sharpened the image will look while using FSR\'s dynamic contrast
+ FSR 2.0 Quality Mode
+ Selects the quality mode for FSR 2.0 upscaling. Quality provides better image quality, Performance provides better performance.
+ Quality
+ Balanced
+ Performance
+ Ultra Performance
Anti-aliasing method
Force maximum clocks (Adreno only)
Forces the GPU to run at the maximum possible clocks (thermal constraints will still be applied).
@@ -587,6 +593,7 @@
Gaussian
ScaleForce
AMD FidelityFX™ Super Resolution
+ AMD FidelityFX™ Super Resolution 2.0
None
diff --git a/src/citron/configuration/configure_graphics.cpp b/src/citron/configuration/configure_graphics.cpp
index 0c814b043..f3910ebaf 100644
--- a/src/citron/configuration/configure_graphics.cpp
+++ b/src/citron/configuration/configure_graphics.cpp
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: 2016 Citra Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include
@@ -288,6 +289,11 @@ void ConfigureGraphics::Setup(const ConfigurationShared::Builder& builder) {
continue;
}
+ // Store reference to the FSR sharpness widget for later use
+ if (setting->Id() == Settings::values.fsr_sharpening_slider.Id()) {
+ fsr_sharpness_widget = widget;
+ }
+
if (setting->Id() == Settings::values.renderer_backend.Id()) {
// Add the renderer combobox now so it's at the top
api_grid_layout->addWidget(widget);
@@ -366,6 +372,41 @@ void ConfigureGraphics::Setup(const ConfigurationShared::Builder& builder) {
api_grid_layout->addWidget(widget);
}
+ // Set up FSR sharpness slider conditional enabling
+ if (fsr_sharpness_widget) {
+ // Create a function to update the enabled state based on scaling filter
+ auto update_fsr_sharpness_enabled = [this]() {
+ if (fsr_sharpness_widget) {
+ const auto scaling_filter = Settings::values.scaling_filter.GetValue();
+ const bool fsr2_selected = (scaling_filter == Settings::ScalingFilter::Fsr2);
+ fsr_sharpness_widget->setEnabled(!fsr2_selected);
+
+ // Grey out the widget when disabled
+ if (fsr2_selected) {
+ fsr_sharpness_widget->setStyleSheet(QStringLiteral("QWidget { color: gray; }"));
+ } else {
+ fsr_sharpness_widget->setStyleSheet(QStringLiteral(""));
+ }
+ }
+ };
+
+ // Initial state
+ update_fsr_sharpness_enabled();
+
+ // Connect to scaling filter changes
+ if (!Settings::IsConfiguringGlobal()) {
+ // Find the scaling filter widget and connect to its changes
+ for (const auto& [id, widget] : hold_graphics) {
+ if (id == Settings::values.scaling_filter.Id()) {
+ auto* config_widget = static_cast(widget);
+ QObject::connect(config_widget->combobox, QOverload::of(&QComboBox::activated),
+ [update_fsr_sharpness_enabled]() { update_fsr_sharpness_enabled(); });
+ break;
+ }
+ }
+ }
+ }
+
// Background color is too specific to build into the new system, so we manage it here
// (3 settings, all collected into a single widget with a QColor to manage on top)
if (Settings::IsConfiguringGlobal()) {
diff --git a/src/citron/configuration/configure_graphics.h b/src/citron/configuration/configure_graphics.h
index eae4a627a..33ae92031 100644
--- a/src/citron/configuration/configure_graphics.h
+++ b/src/citron/configuration/configure_graphics.h
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: 2016 Citra Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
@@ -113,4 +114,5 @@ private:
QWidget* shader_backend_widget;
QComboBox* aspect_ratio_combobox;
QComboBox* resolution_combobox;
+ QWidget* fsr_sharpness_widget;
};
diff --git a/src/citron/configuration/shared_translation.cpp b/src/citron/configuration/shared_translation.cpp
index 120e0a72a..aa9e2482d 100644
--- a/src/citron/configuration/shared_translation.cpp
+++ b/src/citron/configuration/shared_translation.cpp
@@ -127,6 +127,8 @@ std::unique_ptr InitializeTranslations(QWidget* parent) {
INSERT(Settings, scaling_filter, tr("Window Adapting Filter:"), QStringLiteral());
INSERT(Settings, fsr_sharpening_slider, tr("FSR Sharpness:"),
tr("Determines how sharpened the image will look while using FSR's dynamic contrast."));
+ INSERT(Settings, fsr2_quality_mode, tr("FSR 2.0 Quality Mode:"),
+ tr("Selects the quality mode for FSR 2.0 upscaling. Quality provides better image quality, Performance provides better performance."));
INSERT(Settings, anti_aliasing, tr("Anti-Aliasing Method:"),
tr("The anti-aliasing method to use.\nSMAA offers the best quality.\nFXAA has a "
"lower performance impact and can produce a better and more stable picture under "
@@ -394,6 +396,7 @@ std::unique_ptr ComboboxEnumeration(QWidget* parent) {
PAIR(ScalingFilter, Gaussian, tr("Gaussian")),
PAIR(ScalingFilter, ScaleForce, tr("ScaleForce")),
PAIR(ScalingFilter, Fsr, tr("AMD FidelityFX™️ Super Resolution")),
+ PAIR(ScalingFilter, Fsr2, tr("AMD FidelityFX™️ Super Resolution 2.0")),
}});
translations->insert({Settings::EnumMetadata::Index(),
{
@@ -401,6 +404,13 @@ std::unique_ptr ComboboxEnumeration(QWidget* parent) {
PAIR(AntiAliasing, Fxaa, tr("FXAA")),
PAIR(AntiAliasing, Smaa, tr("SMAA")),
}});
+ translations->insert({Settings::EnumMetadata::Index(),
+ {
+ PAIR(FSR2QualityMode, Quality, tr("Quality")),
+ PAIR(FSR2QualityMode, Balanced, tr("Balanced")),
+ PAIR(FSR2QualityMode, Performance, tr("Performance")),
+ PAIR(FSR2QualityMode, UltraPerformance, tr("Ultra Performance")),
+ }});
translations->insert({Settings::EnumMetadata::Index(),
{
PAIR(AspectRatio, R16_9, tr("Default (16:9)")),
diff --git a/src/citron/configuration/shared_translation.h b/src/citron/configuration/shared_translation.h
index d5fc3b8de..6664e209a 100644
--- a/src/citron/configuration/shared_translation.h
+++ b/src/citron/configuration/shared_translation.h
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
@@ -40,6 +41,7 @@ static const std::map scaling_filter_texts_map
{Settings::ScalingFilter::ScaleForce,
QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "ScaleForce"))},
{Settings::ScalingFilter::Fsr, QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "FSR"))},
+ {Settings::ScalingFilter::Fsr2, QStringLiteral(QT_TRANSLATE_NOOP("GMainWindow", "FSR 2.0"))},
};
static const std::map use_docked_mode_texts_map = {
diff --git a/src/common/settings.h b/src/common/settings.h
index a7ce9e5e8..dd82c4994 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -348,6 +348,16 @@ struct Values {
true,
true};
+ SwitchableSetting fsr2_quality_mode{linkage,
+ FSR2QualityMode::Performance, // Performance by default
+ FSR2QualityMode::Quality,
+ FSR2QualityMode::UltraPerformance,
+ "fsr2_quality_mode",
+ Category::Renderer,
+ Specialization::Default,
+ true,
+ true};
+
SwitchableSetting bg_red{
linkage, 0, "bg_red", Category::Renderer, Specialization::Default, true, true};
SwitchableSetting bg_green{
diff --git a/src/common/settings_enums.h b/src/common/settings_enums.h
index 7afbf41ac..6151e7619 100644
--- a/src/common/settings_enums.h
+++ b/src/common/settings_enums.h
@@ -147,10 +147,12 @@ ENUM(NvdecEmulation, Off, Cpu, Gpu);
ENUM(ResolutionSetup, Res1_2X, Res3_4X, Res1X, Res3_2X, Res2X, Res3X, Res4X, Res5X, Res6X, Res7X,
Res8X);
-ENUM(ScalingFilter, NearestNeighbor, Bilinear, Bicubic, Gaussian, ScaleForce, Fsr, MaxEnum);
+ENUM(ScalingFilter, NearestNeighbor, Bilinear, Bicubic, Gaussian, ScaleForce, Fsr, Fsr2, MaxEnum);
ENUM(AntiAliasing, None, Fxaa, Smaa, MaxEnum);
+ENUM(FSR2QualityMode, Quality, Balanced, Performance, UltraPerformance);
+
ENUM(AspectRatio, R16_9, R4_3, R21_9, R16_10, R32_9, Stretch);
ENUM(ConsoleMode, Handheld, Docked);
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 28b773688..0f6d0239a 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -123,6 +123,8 @@ add_library(video_core STATIC
renderer_opengl/present/filters.h
renderer_opengl/present/fsr.cpp
renderer_opengl/present/fsr.h
+ renderer_opengl/present/fsr2.cpp
+ renderer_opengl/present/fsr2.h
renderer_opengl/present/fxaa.cpp
renderer_opengl/present/fxaa.h
renderer_opengl/present/layer.cpp
@@ -178,6 +180,8 @@ add_library(video_core STATIC
renderer_vulkan/present/filters.h
renderer_vulkan/present/fsr.cpp
renderer_vulkan/present/fsr.h
+ renderer_vulkan/present/fsr2.cpp
+ renderer_vulkan/present/fsr2.h
renderer_vulkan/present/fxaa.cpp
renderer_vulkan/present/fxaa.h
renderer_vulkan/present/layer.cpp
diff --git a/src/video_core/renderer_opengl/gl_blit_screen.cpp b/src/video_core/renderer_opengl/gl_blit_screen.cpp
index 9260a4dc4..091b09ef3 100644
--- a/src/video_core/renderer_opengl/gl_blit_screen.cpp
+++ b/src/video_core/renderer_opengl/gl_blit_screen.cpp
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/settings.h"
@@ -87,6 +88,7 @@ void BlitScreen::CreateWindowAdapt() {
window_adapt = MakeScaleForce(device);
break;
case Settings::ScalingFilter::Fsr:
+ case Settings::ScalingFilter::Fsr2:
case Settings::ScalingFilter::Bilinear:
default:
window_adapt = MakeBilinear(device);
diff --git a/src/video_core/renderer_opengl/present/fsr2.cpp b/src/video_core/renderer_opengl/present/fsr2.cpp
new file mode 100644
index 000000000..572ab6595
--- /dev/null
+++ b/src/video_core/renderer_opengl/present/fsr2.cpp
@@ -0,0 +1,109 @@
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/common_types.h"
+#include "common/settings.h"
+#include "video_core/fsr.h"
+#include "video_core/host_shaders/ffx_a_h.h"
+#include "video_core/host_shaders/ffx_fsr1_h.h"
+#include "video_core/host_shaders/full_screen_triangle_vert.h"
+#include "video_core/host_shaders/opengl_fidelityfx_fsr_easu_frag.h"
+#include "video_core/host_shaders/opengl_fidelityfx_fsr_frag.h"
+#include "video_core/host_shaders/opengl_fidelityfx_fsr_rcas_frag.h"
+#include "video_core/renderer_opengl/gl_shader_manager.h"
+#include "video_core/renderer_opengl/gl_shader_util.h"
+#include "video_core/renderer_opengl/present/fsr2.h"
+#include "video_core/renderer_opengl/present/util.h"
+
+namespace OpenGL {
+using namespace FSR;
+
+using FsrConstants = std::array;
+
+FSR2::FSR2(u32 output_width_, u32 output_height_) : width(output_width_), height(output_height_) {
+ std::string fsr_source{HostShaders::OPENGL_FIDELITYFX_FSR_FRAG};
+ ReplaceInclude(fsr_source, "ffx_a.h", HostShaders::FFX_A_H);
+ ReplaceInclude(fsr_source, "ffx_fsr1.h", HostShaders::FFX_FSR1_H);
+
+ std::string fsr_easu_source{HostShaders::OPENGL_FIDELITYFX_FSR_EASU_FRAG};
+ std::string fsr_rcas_source{HostShaders::OPENGL_FIDELITYFX_FSR_RCAS_FRAG};
+ ReplaceInclude(fsr_easu_source, "opengl_fidelityfx_fsr.frag", fsr_source);
+ ReplaceInclude(fsr_rcas_source, "opengl_fidelityfx_fsr.frag", fsr_source);
+
+ vert = CreateProgram(HostShaders::FULL_SCREEN_TRIANGLE_VERT, GL_VERTEX_SHADER);
+ easu_frag = CreateProgram(fsr_easu_source, GL_FRAGMENT_SHADER);
+ rcas_frag = CreateProgram(fsr_rcas_source, GL_FRAGMENT_SHADER);
+
+ glProgramUniform2f(vert.handle, 0, 1.0f, -1.0f);
+ glProgramUniform2f(vert.handle, 1, 0.0f, 1.0f);
+
+ sampler = CreateBilinearSampler();
+ framebuffer.Create();
+
+ easu_tex.Create(GL_TEXTURE_2D);
+ glTextureStorage2D(easu_tex.handle, 1, GL_RGBA16F, width, height);
+
+ rcas_tex.Create(GL_TEXTURE_2D);
+ glTextureStorage2D(rcas_tex.handle, 1, GL_RGBA16F, width, height);
+}
+
+FSR2::~FSR2() = default;
+
+GLuint FSR2::Draw(ProgramManager& program_manager, GLuint texture, u32 input_image_width,
+ u32 input_image_height, const Common::Rectangle& crop_rect) {
+ const f32 input_width = static_cast(input_image_width);
+ const f32 input_height = static_cast(input_image_height);
+ const f32 output_width = static_cast(width);
+ const f32 output_height = static_cast(height);
+ const f32 viewport_width = (crop_rect.right - crop_rect.left) * input_width;
+ const f32 viewport_x = crop_rect.left * input_width;
+ const f32 viewport_height = (crop_rect.bottom - crop_rect.top) * input_height;
+ const f32 viewport_y = crop_rect.top * input_height;
+
+ FsrConstants easu_con{};
+ FsrConstants rcas_con{};
+
+ FsrEasuConOffset(easu_con.data() + 0, easu_con.data() + 4, easu_con.data() + 8,
+ easu_con.data() + 12, viewport_width, viewport_height, input_width,
+ input_height, output_width, output_height, viewport_x, viewport_y);
+
+ // FSR 2.0 uses a different sharpening calculation based on quality mode
+ const auto quality_mode = Settings::values.fsr2_quality_mode.GetValue();
+ const float sharpening = [quality_mode]() {
+ switch (quality_mode) {
+ case Settings::FSR2QualityMode::Quality:
+ return 0.2f;
+ case Settings::FSR2QualityMode::Balanced:
+ return 0.4f;
+ case Settings::FSR2QualityMode::Performance:
+ return 0.6f;
+ case Settings::FSR2QualityMode::UltraPerformance:
+ return 0.8f;
+ default:
+ return 0.4f;
+ }
+ }();
+
+ FsrRcasCon(rcas_con.data(), sharpening);
+
+ glProgramUniform4uiv(easu_frag.handle, 0, sizeof(easu_con), easu_con.data());
+ glProgramUniform4uiv(rcas_frag.handle, 0, sizeof(rcas_con), rcas_con.data());
+
+ glFrontFace(GL_CW);
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer.handle);
+ glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, easu_tex.handle, 0);
+ glViewportIndexedf(0, 0.0f, 0.0f, output_width, output_height);
+ program_manager.BindPresentPrograms(vert.handle, easu_frag.handle);
+ glBindTextureUnit(0, texture);
+ glBindSampler(0, sampler.handle);
+ glDrawArrays(GL_TRIANGLES, 0, 3);
+
+ glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, rcas_tex.handle, 0);
+ program_manager.BindPresentPrograms(vert.handle, rcas_frag.handle);
+ glDrawArrays(GL_TRIANGLES, 0, 3);
+
+ glFrontFace(GL_CCW);
+ return rcas_tex.handle;
+}
+
+} // namespace OpenGL
\ No newline at end of file
diff --git a/src/video_core/renderer_opengl/present/fsr2.h b/src/video_core/renderer_opengl/present/fsr2.h
new file mode 100644
index 000000000..9284d5af2
--- /dev/null
+++ b/src/video_core/renderer_opengl/present/fsr2.h
@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "common/math_util.h"
+#include "video_core/renderer_opengl/gl_resource_manager.h"
+
+namespace OpenGL {
+
+class ProgramManager;
+
+class FSR2 {
+public:
+ explicit FSR2(u32 output_width_, u32 output_height_);
+ ~FSR2();
+
+ GLuint Draw(ProgramManager& program_manager, GLuint texture, u32 input_image_width,
+ u32 input_image_height, const Common::Rectangle& crop_rect);
+
+ bool NeedsRecreation(const Common::Rectangle& screen) const {
+ return screen.GetWidth() != width || screen.GetHeight() != height;
+ }
+
+private:
+ const u32 width;
+ const u32 height;
+
+ OGLProgram vert;
+ OGLProgram easu_frag;
+ OGLProgram rcas_frag;
+ OGLSampler sampler;
+ OGLFramebuffer framebuffer;
+ OGLTexture easu_tex;
+ OGLTexture rcas_tex;
+};
+
+} // namespace OpenGL
\ No newline at end of file
diff --git a/src/video_core/renderer_opengl/present/layer.cpp b/src/video_core/renderer_opengl/present/layer.cpp
index a0f865937..0bdec4cb5 100644
--- a/src/video_core/renderer_opengl/present/layer.cpp
+++ b/src/video_core/renderer_opengl/present/layer.cpp
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/framebuffer_config.h"
@@ -6,6 +7,7 @@
#include "video_core/renderer_opengl/gl_blit_screen.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/present/fsr.h"
+#include "video_core/renderer_opengl/present/fsr2.h"
#include "video_core/renderer_opengl/present/fxaa.h"
#include "video_core/renderer_opengl/present/layer.h"
#include "video_core/renderer_opengl/present/present_uniforms.h"
@@ -74,6 +76,14 @@ GLuint Layer::ConfigureDraw(std::array& out_matrix,
texture = fsr->Draw(program_manager, texture, info.scaled_width, info.scaled_height, crop);
crop = {0, 0, 1, 1};
}
+ if (filters.get_scaling_filter() == Settings::ScalingFilter::Fsr2) {
+ if (!fsr2 || fsr2->NeedsRecreation(layout.screen)) {
+ fsr2 = std::make_unique(layout.screen.GetWidth(), layout.screen.GetHeight());
+ }
+
+ texture = fsr2->Draw(program_manager, texture, info.scaled_width, info.scaled_height, crop);
+ crop = {0, 0, 1, 1};
+ }
out_matrix =
MakeOrthographicMatrix(static_cast(layout.width), static_cast(layout.height));
diff --git a/src/video_core/renderer_opengl/present/layer.h b/src/video_core/renderer_opengl/present/layer.h
index 5b15b730f..0cfd6df99 100644
--- a/src/video_core/renderer_opengl/present/layer.h
+++ b/src/video_core/renderer_opengl/present/layer.h
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
@@ -27,6 +28,7 @@ namespace OpenGL {
struct FramebufferTextureInfo;
class FSR;
+class FSR2;
class FXAA;
class ProgramManager;
class RasterizerOpenGL;
@@ -77,6 +79,7 @@ private:
TextureInfo framebuffer_texture;
std::unique_ptr fsr;
+ std::unique_ptr fsr2;
std::unique_ptr fxaa;
std::unique_ptr smaa;
};
diff --git a/src/video_core/renderer_vulkan/present/fsr2.cpp b/src/video_core/renderer_vulkan/present/fsr2.cpp
new file mode 100644
index 000000000..714f12942
--- /dev/null
+++ b/src/video_core/renderer_vulkan/present/fsr2.cpp
@@ -0,0 +1,240 @@
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/common_types.h"
+#include "common/div_ceil.h"
+#include "common/settings.h"
+
+#include "video_core/fsr.h"
+#include "video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp16_frag_spv.h"
+#include "video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp32_frag_spv.h"
+#include "video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp16_frag_spv.h"
+#include "video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp32_frag_spv.h"
+#include "video_core/host_shaders/vulkan_fidelityfx_fsr_vert_spv.h"
+#include "video_core/renderer_vulkan/present/fsr2.h"
+#include "video_core/renderer_vulkan/present/util.h"
+#include "video_core/renderer_vulkan/vk_scheduler.h"
+#include "video_core/renderer_vulkan/vk_shader_util.h"
+#include "video_core/vulkan_common/vulkan_device.h"
+
+namespace Vulkan {
+using namespace FSR;
+
+using PushConstants = std::array;
+
+FSR2::FSR2(const Device& device, MemoryAllocator& memory_allocator, size_t image_count,
+ VkExtent2D extent)
+ : m_device{device}, m_memory_allocator{memory_allocator},
+ m_image_count{image_count}, m_extent{extent} {
+
+ CreateImages();
+ CreateRenderPasses();
+ CreateSampler();
+ CreateShaders();
+ CreateDescriptorPool();
+ CreateDescriptorSetLayout();
+ CreateDescriptorSets();
+ CreatePipelineLayouts();
+ CreatePipelines();
+}
+
+void FSR2::CreateImages() {
+ m_dynamic_images.resize(m_image_count);
+ for (auto& images : m_dynamic_images) {
+ images.images[Easu] =
+ CreateWrappedImage(m_memory_allocator, m_extent, VK_FORMAT_R16G16B16A16_SFLOAT);
+ images.images[Rcas] =
+ CreateWrappedImage(m_memory_allocator, m_extent, VK_FORMAT_R16G16B16A16_SFLOAT);
+ images.image_views[Easu] =
+ CreateWrappedImageView(m_device, images.images[Easu], VK_FORMAT_R16G16B16A16_SFLOAT);
+ images.image_views[Rcas] =
+ CreateWrappedImageView(m_device, images.images[Rcas], VK_FORMAT_R16G16B16A16_SFLOAT);
+ }
+}
+
+void FSR2::CreateRenderPasses() {
+ m_renderpass = CreateWrappedRenderPass(m_device, VK_FORMAT_R16G16B16A16_SFLOAT);
+
+ for (auto& images : m_dynamic_images) {
+ images.framebuffers[Easu] =
+ CreateWrappedFramebuffer(m_device, m_renderpass, images.image_views[Easu], m_extent);
+ images.framebuffers[Rcas] =
+ CreateWrappedFramebuffer(m_device, m_renderpass, images.image_views[Rcas], m_extent);
+ }
+}
+
+void FSR2::CreateSampler() {
+ m_sampler = CreateBilinearSampler(m_device);
+}
+
+void FSR2::CreateShaders() {
+ m_vert_shader = BuildShader(m_device, VULKAN_FIDELITYFX_FSR_VERT_SPV);
+
+ if (m_device.IsFloat16Supported()) {
+ m_easu_shader = BuildShader(m_device, VULKAN_FIDELITYFX_FSR_EASU_FP16_FRAG_SPV);
+ m_rcas_shader = BuildShader(m_device, VULKAN_FIDELITYFX_FSR_RCAS_FP16_FRAG_SPV);
+ } else {
+ m_easu_shader = BuildShader(m_device, VULKAN_FIDELITYFX_FSR_EASU_FP32_FRAG_SPV);
+ m_rcas_shader = BuildShader(m_device, VULKAN_FIDELITYFX_FSR_RCAS_FP32_FRAG_SPV);
+ }
+}
+
+void FSR2::CreateDescriptorPool() {
+ // EASU: 1 descriptor
+ // RCAS: 1 descriptor
+ // 2 descriptors, 2 descriptor sets per invocation
+ m_descriptor_pool = CreateWrappedDescriptorPool(m_device, 2 * m_image_count, 2 * m_image_count);
+}
+
+void FSR2::CreateDescriptorSetLayout() {
+ m_descriptor_set_layout =
+ CreateWrappedDescriptorSetLayout(m_device, {VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER});
+}
+
+void FSR2::CreateDescriptorSets() {
+ std::vector layouts(MaxFsr2Stage, *m_descriptor_set_layout);
+
+ for (auto& images : m_dynamic_images) {
+ images.descriptor_sets = CreateWrappedDescriptorSets(m_descriptor_pool, layouts);
+ }
+}
+
+void FSR2::CreatePipelineLayouts() {
+ const VkPushConstantRange range{
+ .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
+ .offset = 0,
+ .size = sizeof(PushConstants),
+ };
+ VkPipelineLayoutCreateInfo ci{
+ .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .setLayoutCount = 1,
+ .pSetLayouts = m_descriptor_set_layout.address(),
+ .pushConstantRangeCount = 1,
+ .pPushConstantRanges = &range,
+ };
+
+ m_pipeline_layout = m_device.GetLogical().CreatePipelineLayout(ci);
+}
+
+void FSR2::CreatePipelines() {
+ m_easu_pipeline = CreateWrappedPipeline(m_device, m_renderpass, m_pipeline_layout,
+ std::tie(m_vert_shader, m_easu_shader));
+ m_rcas_pipeline = CreateWrappedPipeline(m_device, m_renderpass, m_pipeline_layout,
+ std::tie(m_vert_shader, m_rcas_shader));
+}
+
+void FSR2::UpdateDescriptorSets(VkImageView image_view, size_t image_index) {
+ Images& images = m_dynamic_images[image_index];
+ std::vector image_infos;
+ std::vector updates;
+ image_infos.reserve(2);
+
+ updates.push_back(CreateWriteDescriptorSet(image_infos, *m_sampler, image_view,
+ images.descriptor_sets[Easu], 0));
+ updates.push_back(CreateWriteDescriptorSet(image_infos, *m_sampler, *images.image_views[Easu],
+ images.descriptor_sets[Rcas], 0));
+
+ m_device.GetLogical().UpdateDescriptorSets(updates, {});
+}
+
+void FSR2::UploadImages(Scheduler& scheduler) {
+ if (m_images_ready) {
+ return;
+ }
+
+ scheduler.Record([&](vk::CommandBuffer cmdbuf) {
+ for (auto& image : m_dynamic_images) {
+ ClearColorImage(cmdbuf, *image.images[Easu]);
+ ClearColorImage(cmdbuf, *image.images[Rcas]);
+ }
+ });
+ scheduler.Finish();
+
+ m_images_ready = true;
+}
+
+VkImageView FSR2::Draw(Scheduler& scheduler, size_t image_index, VkImage source_image,
+ VkImageView source_image_view, VkExtent2D input_image_extent,
+ const Common::Rectangle& crop_rect) {
+ Images& images = m_dynamic_images[image_index];
+
+ VkImage easu_image = *images.images[Easu];
+ VkImage rcas_image = *images.images[Rcas];
+ VkDescriptorSet easu_descriptor_set = images.descriptor_sets[Easu];
+ VkDescriptorSet rcas_descriptor_set = images.descriptor_sets[Rcas];
+ VkFramebuffer easu_framebuffer = *images.framebuffers[Easu];
+ VkFramebuffer rcas_framebuffer = *images.framebuffers[Rcas];
+ VkPipeline easu_pipeline = *m_easu_pipeline;
+ VkPipeline rcas_pipeline = *m_rcas_pipeline;
+ VkPipelineLayout pipeline_layout = *m_pipeline_layout;
+ VkRenderPass renderpass = *m_renderpass;
+ VkExtent2D extent = m_extent;
+
+ const f32 input_image_width = static_cast(input_image_extent.width);
+ const f32 input_image_height = static_cast(input_image_extent.height);
+ const f32 output_image_width = static_cast(extent.width);
+ const f32 output_image_height = static_cast(extent.height);
+ const f32 viewport_width = (crop_rect.right - crop_rect.left) * input_image_width;
+ const f32 viewport_x = crop_rect.left * input_image_width;
+ const f32 viewport_height = (crop_rect.bottom - crop_rect.top) * input_image_height;
+ const f32 viewport_y = crop_rect.top * input_image_height;
+
+ PushConstants easu_con{};
+ PushConstants rcas_con{};
+ FsrEasuConOffset(easu_con.data() + 0, easu_con.data() + 4, easu_con.data() + 8,
+ easu_con.data() + 12, viewport_width, viewport_height, input_image_width,
+ input_image_height, output_image_width, output_image_height, viewport_x,
+ viewport_y);
+
+ // FSR 2.0 uses a different sharpening calculation based on quality mode
+ const auto quality_mode = Settings::values.fsr2_quality_mode.GetValue();
+ const float sharpening = [quality_mode]() {
+ switch (quality_mode) {
+ case Settings::FSR2QualityMode::Quality:
+ return 0.2f;
+ case Settings::FSR2QualityMode::Balanced:
+ return 0.4f;
+ case Settings::FSR2QualityMode::Performance:
+ return 0.6f;
+ case Settings::FSR2QualityMode::UltraPerformance:
+ return 0.8f;
+ default:
+ return 0.4f;
+ }
+ }();
+ FsrRcasCon(rcas_con.data(), sharpening);
+
+ UploadImages(scheduler);
+ UpdateDescriptorSets(source_image_view, image_index);
+
+ scheduler.RequestOutsideRenderPassOperationContext();
+ scheduler.Record([=](vk::CommandBuffer cmdbuf) {
+ TransitionImageLayout(cmdbuf, source_image, VK_IMAGE_LAYOUT_GENERAL);
+ TransitionImageLayout(cmdbuf, easu_image, VK_IMAGE_LAYOUT_GENERAL);
+ BeginRenderPass(cmdbuf, renderpass, easu_framebuffer, extent);
+ cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, easu_pipeline);
+ cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout, 0,
+ easu_descriptor_set, {});
+ cmdbuf.PushConstants(pipeline_layout, VK_SHADER_STAGE_FRAGMENT_BIT, easu_con);
+ cmdbuf.Draw(3, 1, 0, 0);
+ cmdbuf.EndRenderPass();
+
+ TransitionImageLayout(cmdbuf, easu_image, VK_IMAGE_LAYOUT_GENERAL);
+ TransitionImageLayout(cmdbuf, rcas_image, VK_IMAGE_LAYOUT_GENERAL);
+ BeginRenderPass(cmdbuf, renderpass, rcas_framebuffer, extent);
+ cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, rcas_pipeline);
+ cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout, 0,
+ rcas_descriptor_set, {});
+ cmdbuf.PushConstants(pipeline_layout, VK_SHADER_STAGE_FRAGMENT_BIT, rcas_con);
+ cmdbuf.Draw(3, 1, 0, 0);
+ cmdbuf.EndRenderPass();
+
+ TransitionImageLayout(cmdbuf, rcas_image, VK_IMAGE_LAYOUT_GENERAL);
+ });
+
+ return *images.image_views[Rcas];
+}
+
+} // namespace Vulkan
\ No newline at end of file
diff --git a/src/video_core/renderer_vulkan/present/fsr2.h b/src/video_core/renderer_vulkan/present/fsr2.h
new file mode 100644
index 000000000..8a68eb329
--- /dev/null
+++ b/src/video_core/renderer_vulkan/present/fsr2.h
@@ -0,0 +1,69 @@
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/math_util.h"
+#include "video_core/vulkan_common/vulkan_memory_allocator.h"
+#include "video_core/vulkan_common/vulkan_wrapper.h"
+
+namespace Vulkan {
+
+class Device;
+class Scheduler;
+
+class FSR2 {
+public:
+ explicit FSR2(const Device& device, MemoryAllocator& memory_allocator, size_t image_count,
+ VkExtent2D extent);
+ VkImageView Draw(Scheduler& scheduler, size_t image_index, VkImage source_image,
+ VkImageView source_image_view, VkExtent2D input_image_extent,
+ const Common::Rectangle& crop_rect);
+
+private:
+ void CreateImages();
+ void CreateRenderPasses();
+ void CreateSampler();
+ void CreateShaders();
+ void CreateDescriptorPool();
+ void CreateDescriptorSetLayout();
+ void CreateDescriptorSets();
+ void CreatePipelineLayouts();
+ void CreatePipelines();
+
+ void UploadImages(Scheduler& scheduler);
+ void UpdateDescriptorSets(VkImageView image_view, size_t image_index);
+
+ const Device& m_device;
+ MemoryAllocator& m_memory_allocator;
+ const size_t m_image_count;
+ const VkExtent2D m_extent;
+
+ enum Fsr2Stage {
+ Easu,
+ Rcas,
+ MaxFsr2Stage,
+ };
+
+ vk::DescriptorPool m_descriptor_pool;
+ vk::DescriptorSetLayout m_descriptor_set_layout;
+ vk::PipelineLayout m_pipeline_layout;
+ vk::ShaderModule m_vert_shader;
+ vk::ShaderModule m_easu_shader;
+ vk::ShaderModule m_rcas_shader;
+ vk::Pipeline m_easu_pipeline;
+ vk::Pipeline m_rcas_pipeline;
+ vk::RenderPass m_renderpass;
+ vk::Sampler m_sampler;
+
+ struct Images {
+ vk::DescriptorSets descriptor_sets;
+ std::array images;
+ std::array image_views;
+ std::array framebuffers;
+ };
+ std::vector m_dynamic_images;
+ bool m_images_ready{};
+};
+
+} // namespace Vulkan
\ No newline at end of file
diff --git a/src/video_core/renderer_vulkan/present/layer.cpp b/src/video_core/renderer_vulkan/present/layer.cpp
index 4e41afe5b..57dbf76db 100644
--- a/src/video_core/renderer_vulkan/present/layer.cpp
+++ b/src/video_core/renderer_vulkan/present/layer.cpp
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/present.h"
@@ -7,6 +8,7 @@
#include "common/settings.h"
#include "video_core/framebuffer_config.h"
#include "video_core/renderer_vulkan/present/fsr.h"
+#include "video_core/renderer_vulkan/present/fsr2.h"
#include "video_core/renderer_vulkan/present/fxaa.h"
#include "video_core/renderer_vulkan/present/layer.h"
#include "video_core/renderer_vulkan/present/present_push_constants.h"
@@ -57,6 +59,9 @@ Layer::Layer(const Device& device_, MemoryAllocator& memory_allocator_, Schedule
if (filters.get_scaling_filter() == Settings::ScalingFilter::Fsr) {
CreateFSR(output_size);
}
+ if (filters.get_scaling_filter() == Settings::ScalingFilter::Fsr2) {
+ CreateFSR2(output_size);
+ }
}
Layer::~Layer() {
@@ -107,6 +112,11 @@ void Layer::ConfigureDraw(PresentPushConstants* out_push_constants,
render_extent, crop_rect);
crop_rect = {0, 0, 1, 1};
}
+ if (fsr2) {
+ source_image_view = fsr2->Draw(scheduler, image_index, source_image, source_image_view,
+ render_extent, crop_rect);
+ crop_rect = {0, 0, 1, 1};
+ }
SetMatrixData(*out_push_constants, layout);
SetVertexData(*out_push_constants, layout, crop_rect);
@@ -157,6 +167,10 @@ void Layer::CreateFSR(VkExtent2D output_size) {
fsr = std::make_unique(device, memory_allocator, image_count, output_size);
}
+void Layer::CreateFSR2(VkExtent2D output_size) {
+ fsr2 = std::make_unique(device, memory_allocator, image_count, output_size);
+}
+
void Layer::RefreshResources(const Tegra::FramebufferConfig& framebuffer) {
if (framebuffer.width == raw_width && framebuffer.height == raw_height &&
framebuffer.pixel_format == pixel_format && !raw_images.empty()) {
diff --git a/src/video_core/renderer_vulkan/present/layer.h b/src/video_core/renderer_vulkan/present/layer.h
index f5effdcd7..348f1d650 100644
--- a/src/video_core/renderer_vulkan/present/layer.h
+++ b/src/video_core/renderer_vulkan/present/layer.h
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
@@ -30,6 +31,7 @@ namespace Vulkan {
class AntiAliasPass;
class Device;
class FSR;
+class FSR2;
class MemoryAllocator;
struct PresentPushConstants;
class RasterizerVulkan;
@@ -55,6 +57,7 @@ private:
void CreateStagingBuffer(const Tegra::FramebufferConfig& framebuffer);
void CreateRawImages(const Tegra::FramebufferConfig& framebuffer);
void CreateFSR(VkExtent2D output_size);
+ void CreateFSR2(VkExtent2D output_size);
void RefreshResources(const Tegra::FramebufferConfig& framebuffer);
void SetAntiAliasPass();
@@ -90,6 +93,7 @@ private:
std::unique_ptr anti_alias{};
std::unique_ptr fsr{};
+ std::unique_ptr fsr2{};
std::vector resource_ticks{};
};
diff --git a/src/video_core/renderer_vulkan/vk_blit_screen.cpp b/src/video_core/renderer_vulkan/vk_blit_screen.cpp
index b7797f833..5a1300b40 100644
--- a/src/video_core/renderer_vulkan/vk_blit_screen.cpp
+++ b/src/video_core/renderer_vulkan/vk_blit_screen.cpp
@@ -1,4 +1,5 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/framebuffer_config.h"
@@ -44,6 +45,7 @@ void BlitScreen::SetWindowAdaptPass() {
window_adapt = MakeScaleForce(device, swapchain_view_format);
break;
case Settings::ScalingFilter::Fsr:
+ case Settings::ScalingFilter::Fsr2:
case Settings::ScalingFilter::Bilinear:
default:
window_adapt = MakeBilinear(device, swapchain_view_format);