1 files changed, 69 insertions, 0 deletions
diff --git a/src/video_core/renderer_vulkan/present/fsr.h b/src/video_core/renderer_vulkan/present/fsr.h
new file mode 100644
index 000000000..8602e8146
--- /dev/null
+++ b/src/video_core/renderer_vulkan/present/fsr.h
@@ -0,0 +1,69 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu 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 FSR {
+public:
+    explicit FSR(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<f32>& 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 FsrStage {
+        Easu,
+        Rcas,
+        MaxFsrStage,
+    };
+
+    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<vk::Image, MaxFsrStage> images;
+        std::array<vk::ImageView, MaxFsrStage> image_views;
+        std::array<vk::Framebuffer, MaxFsrStage> framebuffers;
+    };
+    std::vector<Images> m_dynamic_images;
+    bool m_images_ready{};
+};
+
+} // namespace Vulkan