1 files changed, 67 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/surface_view.h b/src/video_core/texture_cache/surface_view.h
new file mode 100644
index 000000000..04ca5639b
--- /dev/null
+++ b/src/video_core/texture_cache/surface_view.h
@@ -0,0 +1,67 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+
+#include "common/common_types.h"
+#include "video_core/surface.h"
+#include "video_core/texture_cache/surface_params.h"
+
+namespace VideoCommon {
+
+struct ViewParams {
+    ViewParams(VideoCore::Surface::SurfaceTarget target, u32 base_layer, u32 num_layers,
+               u32 base_level, u32 num_levels)
+        : target{target}, base_layer{base_layer}, num_layers{num_layers}, base_level{base_level},
+          num_levels{num_levels} {}
+
+    std::size_t Hash() const;
+
+    bool operator==(const ViewParams& rhs) const;
+
+    VideoCore::Surface::SurfaceTarget target{};
+    u32 base_layer{};
+    u32 num_layers{};
+    u32 base_level{};
+    u32 num_levels{};
+
+    bool IsLayered() const {
+        switch (target) {
+        case VideoCore::Surface::SurfaceTarget::Texture1DArray:
+        case VideoCore::Surface::SurfaceTarget::Texture2DArray:
+        case VideoCore::Surface::SurfaceTarget::TextureCubemap:
+        case VideoCore::Surface::SurfaceTarget::TextureCubeArray:
+            return true;
+        default:
+            return false;
+        }
+    }
+};
+
+class ViewBase {
+public:
+    ViewBase(const ViewParams& params) : params{params} {}
+
+    const ViewParams& GetViewParams() const {
+        return params;
+    }
+
+protected:
+    ViewParams params;
+};
+
+} // namespace VideoCommon
+
+namespace std {
+
+template <>
+struct hash<VideoCommon::ViewParams> {
+    std::size_t operator()(const VideoCommon::ViewParams& k) const noexcept {
+        return k.Hash();
+    }
+};
+
+} // namespace std