diff --git a/src/common/settings.h b/src/common/settings.h
index a09db08225..9da447ce09 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -64,6 +64,7 @@ enum class ScalingFilter : u32 {
Bilinear = 0,
Bicubic = 1,
ScaleForce = 2,
+ Fsr = 3,
};
struct ResolutionScalingInfo {
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 6aac7f305d..91a30fef71 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -132,6 +132,8 @@ add_library(video_core STATIC
renderer_vulkan/vk_descriptor_pool.h
renderer_vulkan/vk_fence_manager.cpp
renderer_vulkan/vk_fence_manager.h
+ renderer_vulkan/vk_fsr.cpp
+ renderer_vulkan/vk_fsr.h
renderer_vulkan/vk_graphics_pipeline.cpp
renderer_vulkan/vk_graphics_pipeline.h
renderer_vulkan/vk_master_semaphore.cpp
diff --git a/src/video_core/host_shaders/CMakeLists.txt b/src/video_core/host_shaders/CMakeLists.txt
index 664d6ce5d3..32e2ab5004 100644
--- a/src/video_core/host_shaders/CMakeLists.txt
+++ b/src/video_core/host_shaders/CMakeLists.txt
@@ -1,3 +1,11 @@
+set(FIDELITYFX_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/externals/FidelityFX-FSR/ffx-fsr)
+
+set(GLSL_INCLUDES
+ fidelityfx_fsr.comp
+ ${FIDELITYFX_INCLUDE_DIR}/ffx_a.h
+ ${FIDELITYFX_INCLUDE_DIR}/ffx_fsr1.h
+)
+
set(SHADER_FILES
astc_decoder.comp
block_linear_unswizzle_2d.comp
@@ -13,6 +21,8 @@ set(SHADER_FILES
present_bicubic.frag
vulkan_blit_color_float.frag
vulkan_blit_depth_stencil.frag
+ vulkan_fidelityfx_fsr_easu.comp
+ vulkan_fidelityfx_fsr_rcas.comp
vulkan_present.frag
vulkan_present.vert
vulkan_quad_indexed.comp
@@ -78,7 +88,7 @@ foreach(FILENAME IN ITEMS ${SHADER_FILES})
OUTPUT
${SPIRV_HEADER_FILE}
COMMAND
- ${GLSLANGVALIDATOR} -V ${QUIET_FLAG} ${GLSL_FLAGS} --variable-name ${SPIRV_VARIABLE_NAME} -o ${SPIRV_HEADER_FILE} ${SOURCE_FILE}
+ ${GLSLANGVALIDATOR} -V ${QUIET_FLAG} -I"${FIDELITYFX_INCLUDE_DIR}" ${GLSL_FLAGS} --variable-name ${SPIRV_VARIABLE_NAME} -o ${SPIRV_HEADER_FILE} ${SOURCE_FILE}
MAIN_DEPENDENCY
${SOURCE_FILE}
)
@@ -86,9 +96,12 @@ foreach(FILENAME IN ITEMS ${SHADER_FILES})
endif()
endforeach()
+set(SHADER_SOURCES ${SHADER_FILES})
+list(APPEND SHADER_SOURCES ${GLSL_INCLUDES})
+
add_custom_target(host_shaders
DEPENDS
${SHADER_HEADERS}
SOURCES
- ${SHADER_FILES}
+ ${SHADER_SOURCES}
)
diff --git a/src/video_core/host_shaders/fidelityfx_fsr.comp b/src/video_core/host_shaders/fidelityfx_fsr.comp
new file mode 100644
index 0000000000..cbb6015802
--- /dev/null
+++ b/src/video_core/host_shaders/fidelityfx_fsr.comp
@@ -0,0 +1,114 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+//!#version 460 core
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+#extension GL_GOOGLE_include_directive : enable
+#extension GL_EXT_shader_explicit_arithmetic_types : require
+
+// 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( push_constant ) uniform constants {
+ u32vec2 input_size;
+};
+
+uvec4 Const0;
+uvec4 Const1;
+uvec4 Const2;
+uvec4 Const3;
+
+#define A_GPU 1
+#define A_GLSL 1
+#define A_HALF
+
+#include "ffx_a.h"
+
+f16vec4 LinearToSRGB(f16vec4 linear) {
+ bvec4 selector = greaterThan(linear, f16vec4(0.00313066844250063));
+ f16vec4 low = linear * float16_t(12.92);
+ f16vec4 high = float16_t(1.055) * pow(linear, f16vec4(1 / 2.4)) - float16_t(0.055);
+ return mix(low, high, selector);
+}
+
+f16vec4 SRGBToLinear(f16vec4 srgb) {
+ bvec4 selector = greaterThan(srgb, f16vec4(0.0404482362771082));
+ f16vec4 low = srgb * float16_t(1.0 / 12.92);
+ f16vec4 high = pow((srgb + float16_t(0.055)) * float16_t(1.0 / 1.055), f16vec4(2.4));
+ return mix(low, high, selector);
+}
+
+#if USE_EASU
+ #define FSR_EASU_H 1
+ f16vec4 FsrEasuRH(vec2 p) { f16vec4 res = f16vec4(textureGather(InputTexture, p, 0)); return res; }
+ f16vec4 FsrEasuGH(vec2 p) { f16vec4 res = f16vec4(textureGather(InputTexture, p, 1)); return res; }
+ f16vec4 FsrEasuBH(vec2 p) { f16vec4 res = f16vec4(textureGather(InputTexture, p, 2)); return res; }
+#endif
+#if USE_RCAS
+ #define FSR_RCAS_H 1
+ f16vec4 FsrRcasLoadH(ASW2 p) { return f16vec4(texelFetch(InputTexture, ASU2(p), 0)); }
+ void FsrRcasInputH(inout float16_t r, inout float16_t g, inout float16_t b) {}
+#endif
+
+#include "ffx_fsr1.h"
+
+void CurrFilter(u32vec2 pos) {
+ // For debugging
+#if USE_BILINEAR
+ vec2 pp = (vec2(pos) * vec2_AU2(Const0.xy) + vec2_AU2(Const0.zw)) * vec2_AU2(Const1.xy) + vec2(0.5, -0.5) * vec2_AU2(Const1.zw);
+ imageStore(OutputTexture, ivec2(pos), textureLod(InputTexture, pp, 0.0));
+#endif
+#if USE_EASU
+ f16vec3 c;
+ FsrEasuH(c, pos, Const0, Const1, Const2, Const3);
+ imageStore(OutputTexture, ivec2(pos), f16vec4(c, 1));
+#endif
+#if USE_RCAS
+ f16vec3 c;
+ FsrRcasH(c.r, c.g, c.b, pos, Const0);
+ imageStore(OutputTexture, ivec2(pos), f16vec4(c, 1));
+#endif
+
+}
+
+layout(local_size_x=64) in;
+void main() {
+
+#if USE_EASU || USE_BILINEAR
+ vec2 ires = vec2(input_size);
+ vec2 tres = textureSize(InputTexture, 0);
+ vec2 ores = imageSize(OutputTexture);
+ FsrEasuCon(Const0, Const1, Const2, Const3, ires.x, ires.y, tres.x, tres.y, ores.x, ores.y);
+#endif
+#if USE_RCAS
+ FsrRcasCon(Const0, 0.25f);
+#endif
+
+ // Do remapping of local xy in workgroup for a more PS-like swizzle pattern.
+ AU2 gxy = ARmp8x8(gl_LocalInvocationID.x) + AU2(gl_WorkGroupID.x << 4u, gl_WorkGroupID.y << 4u);
+ CurrFilter(gxy);
+ gxy.x += 8u;
+ CurrFilter(gxy);
+ gxy.y += 8u;
+ CurrFilter(gxy);
+ gxy.x -= 8u;
+ CurrFilter(gxy);
+}
diff --git a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu.comp b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu.comp
new file mode 100644
index 0000000000..6525eeeb56
--- /dev/null
+++ b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu.comp
@@ -0,0 +1,13 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#version 460 core
+#extension GL_GOOGLE_include_directive : enable
+
+layout(set=0,binding=0) uniform sampler2D InputTexture;
+layout(set=0,binding=1,rgba16f) uniform image2D OutputTexture;
+
+#define USE_EASU 1
+
+#include "fidelityfx_fsr.comp"
diff --git a/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas.comp b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas.comp
new file mode 100644
index 0000000000..9463ed842d
--- /dev/null
+++ b/src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas.comp
@@ -0,0 +1,13 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#version 460 core
+#extension GL_GOOGLE_include_directive : enable
+
+layout(set=0,binding=0) uniform sampler2D InputTexture;
+layout(set=0,binding=1,rgba16f) uniform image2D OutputTexture;
+
+#define USE_RCAS 1
+
+#include "fidelityfx_fsr.comp"
diff --git a/src/video_core/renderer_vulkan/vk_blit_screen.cpp b/src/video_core/renderer_vulkan/vk_blit_screen.cpp
index c91b24e3af..8ce60e874c 100644
--- a/src/video_core/renderer_vulkan/vk_blit_screen.cpp
+++ b/src/video_core/renderer_vulkan/vk_blit_screen.cpp
@@ -23,6 +23,7 @@
#include "video_core/host_shaders/vulkan_present_vert_spv.h"
#include "video_core/renderer_vulkan/renderer_vulkan.h"
#include "video_core/renderer_vulkan/vk_blit_screen.h"
+#include "video_core/renderer_vulkan/vk_fsr.h"
#include "video_core/renderer_vulkan/vk_master_semaphore.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_shader_util.h"
@@ -147,8 +148,12 @@ VkSemaphore VKBlitScreen::Draw(const Tegra::FramebufferConfig& framebuffer,
scheduler.Wait(resource_ticks[image_index]);
resource_ticks[image_index] = scheduler.CurrentTick();
- UpdateDescriptorSet(image_index,
- use_accelerated ? screen_info.image_view : *raw_image_views[image_index]);
+ const VkImageView source_image_view =
+ use_accelerated ? screen_info.image_view : *raw_image_views[image_index];
+
+ if (!fsr) {
+ UpdateDescriptorSet(image_index, source_image_view);
+ }
BufferData data;
SetUniformData(data, layout);
@@ -225,9 +230,26 @@ VkSemaphore VKBlitScreen::Draw(const Tegra::FramebufferConfig& framebuffer,
read_barrier);
cmdbuf.CopyBufferToImage(*buffer, image, VK_IMAGE_LAYOUT_GENERAL, copy);
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
- VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, write_barrier);
+ VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT |
+ VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
+ 0, write_barrier);
});
}
+
+ if (fsr) {
+ auto crop_rect = framebuffer.crop_rect;
+ if (crop_rect.GetWidth() == 0) {
+ crop_rect.right = framebuffer.width;
+ }
+ if (crop_rect.GetHeight() == 0) {
+ crop_rect.bottom = framebuffer.height;
+ }
+ crop_rect = crop_rect.Scale(Settings::values.resolution_info.up_factor);
+ VkImageView fsr_image_view =
+ fsr->Draw(scheduler, image_index, source_image_view, crop_rect);
+ UpdateDescriptorSet(image_index, fsr_image_view);
+ }
+
scheduler.Record(
[this, host_framebuffer, image_index, size = render_area](vk::CommandBuffer cmdbuf) {
const f32 bg_red = Settings::values.bg_red.GetValue() / 255.0f;
@@ -325,6 +347,13 @@ void VKBlitScreen::CreateDynamicResources() {
CreateRenderPass();
CreateFramebuffers();
CreateGraphicsPipeline();
+ fsr.reset();
+ if (Settings::values.scaling_filter.GetValue() == Settings::ScalingFilter::Fsr) {
+ const auto& layout = render_window.GetFramebufferLayout();
+ fsr = std::make_unique<FSR>(
+ device, memory_allocator, image_count,
+ VkExtent2D{.width = layout.screen.GetWidth(), .height = layout.screen.GetHeight()});
+ }
}
void VKBlitScreen::RefreshResources(const Tegra::FramebufferConfig& framebuffer) {
@@ -716,13 +745,14 @@ void VKBlitScreen::CreateGraphicsPipeline() {
}
void VKBlitScreen::CreateSampler() {
+ bool linear = Settings::values.scaling_filter.GetValue() != Settings::ScalingFilter::Fsr;
const VkSamplerCreateInfo ci{
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
- .magFilter = VK_FILTER_LINEAR,
- .minFilter = VK_FILTER_LINEAR,
- .mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR,
+ .magFilter = linear ? VK_FILTER_LINEAR : VK_FILTER_NEAREST,
+ .minFilter = linear ? VK_FILTER_LINEAR : VK_FILTER_NEAREST,
+ .mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
@@ -905,17 +935,19 @@ void VKBlitScreen::SetVertexData(BufferData& data, const Tegra::FramebufferConfi
UNIMPLEMENTED_IF(framebuffer_crop_rect.top != 0);
UNIMPLEMENTED_IF(framebuffer_crop_rect.left != 0);
- // Scale the output by the crop width/height. This is commonly used with 1280x720 rendering
- // (e.g. handheld mode) on a 1920x1080 framebuffer.
f32 scale_u = 1.0f;
f32 scale_v = 1.0f;
- if (framebuffer_crop_rect.GetWidth() > 0) {
- scale_u = static_cast<f32>(framebuffer_crop_rect.GetWidth()) /
- static_cast<f32>(screen_info.width);
- }
- if (framebuffer_crop_rect.GetHeight() > 0) {
- scale_v = static_cast<f32>(framebuffer_crop_rect.GetHeight()) /
- static_cast<f32>(screen_info.height);
+ // Scale the output by the crop width/height. This is commonly used with 1280x720 rendering
+ // (e.g. handheld mode) on a 1920x1080 framebuffer.
+ if (!fsr) {
+ if (framebuffer_crop_rect.GetWidth() > 0) {
+ scale_u = static_cast<f32>(framebuffer_crop_rect.GetWidth()) /
+ static_cast<f32>(screen_info.width);
+ }
+ if (framebuffer_crop_rect.GetHeight() > 0) {
+ scale_v = static_cast<f32>(framebuffer_crop_rect.GetHeight()) /
+ static_cast<f32>(screen_info.height);
+ }
}
const auto& screen = layout.screen;
diff --git a/src/video_core/renderer_vulkan/vk_blit_screen.h b/src/video_core/renderer_vulkan/vk_blit_screen.h
index d3a16f0ba2..337931468f 100644
--- a/src/video_core/renderer_vulkan/vk_blit_screen.h
+++ b/src/video_core/renderer_vulkan/vk_blit_screen.h
@@ -38,6 +38,8 @@ class RasterizerVulkan;
class VKScheduler;
class VKSwapchain;
+class FSR;
+
struct VKScreenInfo {
VkImageView image_view{};
u32 width{};
@@ -132,6 +134,8 @@ private:
std::vector<MemoryCommit> raw_buffer_commits;
u32 raw_width = 0;
u32 raw_height = 0;
+
+ std::unique_ptr<FSR> fsr;
};
} // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_fsr.cpp b/src/video_core/renderer_vulkan/vk_fsr.cpp
new file mode 100644
index 0000000000..fd0a4aa423
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_fsr.cpp
@@ -0,0 +1,375 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/div_ceil.h"
+#include "video_core/host_shaders/vulkan_fidelityfx_fsr_easu_comp_spv.h"
+#include "video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_comp_spv.h"
+#include "video_core/renderer_vulkan/vk_fsr.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 {
+
+FSR::FSR(const Device& device, MemoryAllocator& memory_allocator, size_t image_count,
+ VkExtent2D output_size)
+ : device{device}, memory_allocator{memory_allocator}, image_count{image_count},
+ output_size{output_size} {
+
+ CreateImages();
+ CreateSampler();
+ CreateShaders();
+ CreateDescriptorPool();
+ CreateDescriptorSetLayout();
+ CreateDescriptorSets();
+ CreatePipelineLayout();
+ CreatePipeline();
+}
+
+VkImageView FSR::Draw(VKScheduler& scheduler, size_t image_index, VkImageView image_view,
+ const Common::Rectangle<int>& crop_rect) {
+
+ UpdateDescriptorSet(image_index, image_view);
+
+ scheduler.Record([this, image_index, crop_rect](vk::CommandBuffer cmdbuf) {
+ const VkImageMemoryBarrier base_barrier{
+ .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
+ .pNext = nullptr,
+ .srcAccessMask = 0,
+ .dstAccessMask = 0,
+ .oldLayout = VK_IMAGE_LAYOUT_GENERAL,
+ .newLayout = VK_IMAGE_LAYOUT_GENERAL,
+ .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .image = {},
+ .subresourceRange =
+ {
+ .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+ .baseMipLevel = 0,
+ .levelCount = 1,
+ .baseArrayLayer = 0,
+ .layerCount = 1,
+ },
+ };
+
+ // TODO: Support clear color
+ cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_COMPUTE, *easu_pipeline);
+ cmdbuf.PushConstants(*pipeline_layout, VK_SHADER_STAGE_COMPUTE_BIT,
+ VkExtent2D{
+ .width = static_cast<u32>(crop_rect.GetWidth()),
+ .height = static_cast<u32>(crop_rect.GetHeight()),
+ });
+
+ {
+ VkImageMemoryBarrier fsr_write_barrier = base_barrier;
+ fsr_write_barrier.image = *images[image_index],
+ fsr_write_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+
+ cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
+ VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, fsr_write_barrier);
+ }
+
+ cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_COMPUTE, *pipeline_layout, 0,
+ descriptor_sets[image_index * 2], {});
+ cmdbuf.Dispatch(Common::DivCeil(output_size.width, 16u),
+ Common::DivCeil(output_size.height, 16u), 1);
+
+ cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_COMPUTE, *rcas_pipeline);
+ cmdbuf.PushConstants(*pipeline_layout, VK_SHADER_STAGE_COMPUTE_BIT, output_size);
+
+ {
+ std::array<VkImageMemoryBarrier, 2> barriers;
+ auto& fsr_read_barrier = barriers[0];
+ auto& blit_write_barrier = barriers[1];
+
+ fsr_read_barrier = base_barrier;
+ fsr_read_barrier.image = *images[image_index];
+ fsr_read_barrier.srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT;
+ fsr_read_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
+
+ blit_write_barrier = base_barrier;
+ blit_write_barrier.image = *images[image_count + image_index];
+ blit_write_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+ blit_write_barrier.newLayout = VK_IMAGE_LAYOUT_GENERAL;
+
+ cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
+ VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, {}, {}, barriers);
+ }
+
+ cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_COMPUTE, *pipeline_layout, 0,
+ descriptor_sets[image_index * 2 + 1], {});
+ cmdbuf.Dispatch(Common::DivCeil(output_size.width, 16u),
+ Common::DivCeil(output_size.height, 16u), 1);
+
+ {
+ std::array<VkImageMemoryBarrier, 1> barriers;
+ auto& blit_read_barrier = barriers[0];
+
+ blit_read_barrier = base_barrier;
+ blit_read_barrier.image = *images[image_count + image_index];
+ blit_read_barrier.srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT;
+ blit_read_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
+
+ cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
+ VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, {}, {}, barriers);
+ }
+ });
+
+ return *image_views[image_count + image_index];
+}
+
+void FSR::CreateDescriptorPool() {
+ const std::array<VkDescriptorPoolSize, 2> pool_sizes{{
+ {
+ .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+ .descriptorCount = static_cast<u32>(image_count * 2),
+ },
+ {
+ .type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+ .descriptorCount = static_cast<u32>(image_count * 2),
+ },
+ }};
+
+ const VkDescriptorPoolCreateInfo ci{
+ .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,
+ .maxSets = static_cast<u32>(image_count * 2),
+ .poolSizeCount = static_cast<u32>(pool_sizes.size()),
+ .pPoolSizes = pool_sizes.data(),
+ };
+ descriptor_pool = device.GetLogical().CreateDescriptorPool(ci);
+}
+
+void FSR::CreateDescriptorSetLayout() {
+ const std::array<VkDescriptorSetLayoutBinding, 2> layout_bindings{{
+ {
+ .binding = 0,
+ .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+ .descriptorCount = 1,
+ .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
+ .pImmutableSamplers = sampler.address(),
+ },
+ {
+ .binding = 1,
+ .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+ .descriptorCount = 1,
+ .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
+ .pImmutableSamplers = sampler.address(),
+ },
+ }};
+
+ const VkDescriptorSetLayoutCreateInfo ci{
+ .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .bindingCount = static_cast<u32>(layout_bindings.size()),
+ .pBindings = layout_bindings.data(),
+ };
+
+ descriptor_set_layout = device.GetLogical().CreateDescriptorSetLayout(ci);
+}
+
+void FSR::CreateDescriptorSets() {
+ const u32 sets = static_cast<u32>(image_count * 2);
+ const std::vector layouts(sets, *descriptor_set_layout);
+
+ const VkDescriptorSetAllocateInfo ai{
+ .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
+ .pNext = nullptr,
+ .descriptorPool = *descriptor_pool,
+ .descriptorSetCount = sets,
+ .pSetLayouts = layouts.data(),
+ };
+
+ descriptor_sets = descriptor_pool.Allocate(ai);
+}
+
+void FSR::CreateImages() {
+ images.resize(image_count * 2);
+ image_views.resize(image_count * 2);
+ buffer_commits.resize(image_count * 2);
+
+ for (size_t i = 0; i < image_count * 2; ++i) {
+ images[i] = device.GetLogical().CreateImage(VkImageCreateInfo{
+ .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .imageType = VK_IMAGE_TYPE_2D,
+ .format = VK_FORMAT_R16G16B16A16_SFLOAT,
+ .extent =
+ {
+ .width = output_size.width,
+ .height = output_size.height,
+ .depth = 1,
+ },
+ .mipLevels = 1,
+ .arrayLayers = 1,
+ .samples = VK_SAMPLE_COUNT_1_BIT,
+ .tiling = VK_IMAGE_TILING_OPTIMAL,
+ .usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_STORAGE_BIT |
+ VK_IMAGE_USAGE_SAMPLED_BIT,
+ .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
+ .queueFamilyIndexCount = 0,
+ .pQueueFamilyIndices = nullptr,
+ .initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
+ });
+ buffer_commits[i] = memory_allocator.Commit(images[i], MemoryUsage::DeviceLocal);
+ image_views[i] = device.GetLogical().CreateImageView(VkImageViewCreateInfo{
+ .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .image = *images[i],
+ .viewType = VK_IMAGE_VIEW_TYPE_2D,
+ .format = VK_FORMAT_R16G16B16A16_SFLOAT,
+ .components =
+ {
+ .r = VK_COMPONENT_SWIZZLE_IDENTITY,
+ .g = VK_COMPONENT_SWIZZLE_IDENTITY,
+ .b = VK_COMPONENT_SWIZZLE_IDENTITY,
+ .a = VK_COMPONENT_SWIZZLE_IDENTITY,
+ },
+ .subresourceRange =
+ {
+ .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+ .baseMipLevel = 0,
+ .levelCount = 1,
+ .baseArrayLayer = 0,
+ .layerCount = 1,
+ },
+ });
+ }
+}
+
+void FSR::CreatePipelineLayout() {
+ VkPushConstantRange push_const{
+ .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
+ .offset = 0,
+ .size = sizeof(std::array<u32, 2>),
+ };
+ VkPipelineLayoutCreateInfo ci{
+ .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .setLayoutCount = 1,
+ .pSetLayouts = descriptor_set_layout.address(),
+ .pushConstantRangeCount = 1,
+ .pPushConstantRanges = &push_const,
+ };
+
+ pipeline_layout = device.GetLogical().CreatePipelineLayout(ci);
+}
+
+void FSR::UpdateDescriptorSet(std::size_t image_index, VkImageView image_view) const {
+ const auto fsr_image_view = *image_views[image_index];
+ const auto blit_image_view = *image_views[image_count + image_index];
+
+ const VkDescriptorImageInfo image_info{
+ .imageView = image_view,
+ .imageLayout = VK_IMAGE_LAYOUT_GENERAL,
+ };
+ const VkDescriptorImageInfo fsr_image_info{
+ .imageView = fsr_image_view,
+ .imageLayout = VK_IMAGE_LAYOUT_GENERAL,
+ };
+ const VkDescriptorImageInfo blit_image_info{
+ .imageView = blit_image_view,
+ .imageLayout = VK_IMAGE_LAYOUT_GENERAL,
+ };
+
+ VkWriteDescriptorSet sampler_write{
+ .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+ .pNext = nullptr,
+ .dstSet = descriptor_sets[image_index * 2],
+ .dstBinding = 0,
+ .dstArrayElement = 0,
+ .descriptorCount = 1,
+ .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+ .pImageInfo = &image_info,
+ .pBufferInfo = nullptr,
+ .pTexelBufferView = nullptr,
+ };
+
+ VkWriteDescriptorSet output_write{
+ .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+ .pNext = nullptr,
+ .dstSet = descriptor_sets[image_index * 2],
+ .dstBinding = 1,
+ .dstArrayElement = 0,
+ .descriptorCount = 1,
+ .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+ .pImageInfo = &fsr_image_info,
+ .pBufferInfo = nullptr,
+ .pTexelBufferView = nullptr,
+ };
+
+ device.GetLogical().UpdateDescriptorSets(std::array{sampler_write, output_write}, {});
+
+ sampler_write.dstSet = descriptor_sets[image_index * 2 + 1];
+ sampler_write.pImageInfo = &fsr_image_info;
+ output_write.dstSet = descriptor_sets[image_index * 2 + 1];
+ output_write.pImageInfo = &blit_image_info;
+
+ device.GetLogical().UpdateDescriptorSets(std::array{sampler_write, output_write}, {});
+}
+
+void FSR::CreateSampler() {
+ const VkSamplerCreateInfo ci{
+ .sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .magFilter = VK_FILTER_LINEAR,
+ .minFilter = VK_FILTER_LINEAR,
+ .mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR,
+ .addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
+ .addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
+ .addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
+ .mipLodBias = 0.0f,
+ .anisotropyEnable = VK_FALSE,
+ .maxAnisotropy = 0.0f,
+ .compareEnable = VK_FALSE,
+ .compareOp = VK_COMPARE_OP_NEVER,
+ .minLod = 0.0f,
+ .maxLod = 0.0f,
+ .borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK,
+ .unnormalizedCoordinates = VK_FALSE,
+ };
+
+ sampler = device.GetLogical().CreateSampler(ci);
+}
+
+void FSR::CreateShaders() {
+ easu_shader = BuildShader(device, VULKAN_FIDELITYFX_FSR_EASU_COMP_SPV);
+ rcas_shader = BuildShader(device, VULKAN_FIDELITYFX_FSR_EASU_COMP_SPV);
+}
+
+void FSR::CreatePipeline() {
+ VkPipelineShaderStageCreateInfo shader_stage{
+
+ .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .stage = VK_SHADER_STAGE_COMPUTE_BIT,
+ .pName = "main",
+ .pSpecializationInfo = nullptr,
+ };
+
+ VkComputePipelineCreateInfo pipeline_ci{
+ .sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
+ .pNext = nullptr,
+ .flags = 0,
+ .layout = *pipeline_layout,
+ .basePipelineIndex = 0,
+ };
+
+ shader_stage.module = *easu_shader;
+ pipeline_ci.stage = shader_stage;
+ easu_pipeline = device.GetLogical().CreateComputePipeline(pipeline_ci);
+
+ shader_stage.module = *rcas_shader;
+ pipeline_ci.stage = shader_stage;
+ rcas_pipeline = device.GetLogical().CreateComputePipeline(pipeline_ci);
+}
+
+} // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_fsr.h b/src/video_core/renderer_vulkan/vk_fsr.h
new file mode 100644
index 0000000000..8391e2e586
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_fsr.h
@@ -0,0 +1,54 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#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 VKScheduler;
+
+class FSR {
+public:
+ explicit FSR(const Device& device, MemoryAllocator& memory_allocator, size_t image_count,
+ VkExtent2D output_size);
+ VkImageView Draw(VKScheduler& scheduler, size_t image_index, VkImageView image_view,
+ const Common::Rectangle<int>& crop_rect);
+
+private:
+ void CreateDescriptorPool();
+ void CreateDescriptorSetLayout();
+ void CreateDescriptorSets();
+ void CreateImages();
+ void CreateSampler();
+ void CreateShaders();
+ void CreatePipeline();
+ void CreatePipelineLayout();
+
+ void UpdateDescriptorSet(std::size_t image_index, VkImageView image_view) const;
+
+ const Device& device;
+ MemoryAllocator& memory_allocator;
+ size_t image_count;
+ VkExtent2D output_size;
+
+ vk::DescriptorPool descriptor_pool;
+ vk::DescriptorSetLayout descriptor_set_layout;
+ vk::DescriptorSets descriptor_sets;
+ vk::PipelineLayout pipeline_layout;
+ vk::ShaderModule easu_shader;
+ vk::ShaderModule rcas_shader;
+ vk::Pipeline easu_pipeline;
+ vk::Pipeline rcas_pipeline;
+ vk::Sampler sampler;
+ std::vector<vk::Image> images;
+ std::vector<vk::ImageView> image_views;
+ std::vector<MemoryCommit> buffer_commits;
+};
+
+} // namespace Vulkan
diff --git a/src/yuzu/configuration/configure_graphics.ui b/src/yuzu/configuration/configure_graphics.ui
index d5e0d4e897..014ca6683b 100644
--- a/src/yuzu/configuration/configure_graphics.ui
+++ b/src/yuzu/configuration/configure_graphics.ui
@@ -402,6 +402,11 @@
<string>ScaleForce</string>
</property>
</item>
+ <item>
+ <property name="text">
+ <string>FidelityFX Super Resolution</string>
+ </property>
+ </item>
</widget>
</item>
</layout>