1 files changed, 53 insertions, 0 deletions

diff --git a/src/video_core/renderer_vulkan/vk_render_pass_cache.h b/src/video_core/renderer_vulkan/vk_render_pass_cache.h
new file mode 100644
index 000000000..db8e83f1a
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_render_pass_cache.h
@@ -0,0 +1,53 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <unordered_map>
+
+#include "video_core/surface.h"
+#include "video_core/vulkan_common/vulkan_wrapper.h"
+
+namespace Vulkan {
+
+struct RenderPassKey {
+    auto operator<=>(const RenderPassKey&) const noexcept = default;
+
+    std::array<VideoCore::Surface::PixelFormat, 8> color_formats;
+    VideoCore::Surface::PixelFormat depth_format;
+    VkSampleCountFlagBits samples;
+};
+
+} // namespace Vulkan
+
+namespace std {
+template <>
+struct hash<Vulkan::RenderPassKey> {
+    [[nodiscard]] size_t operator()(const Vulkan::RenderPassKey& key) const noexcept {
+        size_t value = static_cast<size_t>(key.depth_format) << 48;
+        value ^= static_cast<size_t>(key.samples) << 52;
+        for (size_t i = 0; i < key.color_formats.size(); ++i) {
+            value ^= static_cast<size_t>(key.color_formats[i]) << (i * 6);
+        }
+        return value;
+    }
+};
+} // namespace std
+
+namespace Vulkan {
+
+    class Device;
+
+class RenderPassCache {
+public:
+    explicit RenderPassCache(const Device& device_);
+
+    VkRenderPass Get(const RenderPassKey& key);
+
+private:
+    const Device* device{};
+    std::unordered_map<RenderPassKey, vk::RenderPass> cache;
+};
+
+} // namespace Vulkan