1 files changed, 51 insertions, 0 deletions

diff --git a/src/video_core/texture_cache/render_targets.h b/src/video_core/texture_cache/render_targets.h
new file mode 100644
index 000000000..9b9544b07
--- /dev/null
+++ b/src/video_core/texture_cache/render_targets.h
@@ -0,0 +1,51 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <algorithm>
+#include <span>
+#include <utility>
+
+#include "common/bit_cast.h"
+#include "video_core/texture_cache/types.h"
+
+namespace VideoCommon {
+
+/// Framebuffer properties used to lookup a framebuffer
+struct RenderTargets {
+    constexpr auto operator<=>(const RenderTargets&) const noexcept = default;
+
+    constexpr bool Contains(std::span<const ImageViewId> elements) const noexcept {
+        const auto contains = [elements](ImageViewId item) {
+            return std::ranges::find(elements, item) != elements.end();
+        };
+        return std::ranges::any_of(color_buffer_ids, contains) || contains(depth_buffer_id);
+    }
+
+    std::array<ImageViewId, NUM_RT> color_buffer_ids;
+    ImageViewId depth_buffer_id;
+    std::array<u8, NUM_RT> draw_buffers{};
+    Extent2D size;
+};
+
+} // namespace VideoCommon
+
+namespace std {
+
+template <>
+struct hash<VideoCommon::RenderTargets> {
+    size_t operator()(const VideoCommon::RenderTargets& rt) const noexcept {
+        using VideoCommon::ImageViewId;
+        size_t value = std::hash<ImageViewId>{}(rt.depth_buffer_id);
+        for (const ImageViewId color_buffer_id : rt.color_buffer_ids) {
+            value ^= std::hash<ImageViewId>{}(color_buffer_id);
+        }
+        value ^= Common::BitCast<u64>(rt.draw_buffers);
+        value ^= Common::BitCast<u64>(rt.size);
+        return value;
+    }
+};
+
+} // namespace std