1 files changed, 41 insertions, 0 deletions
diff --git a/src/video_core/guest_driver.h b/src/video_core/guest_driver.h
new file mode 100644
index 000000000..fc1917347
--- /dev/null
+++ b/src/video_core/guest_driver.h
@@ -0,0 +1,41 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace VideoCore {
+
+/**
+ * The GuestDriverProfile class is used to learn about the GPU drivers behavior and collect
+ * information necessary for impossible to avoid HLE methods like shader tracks as they are
+ * Entscheidungsproblems.
+ */
+class GuestDriverProfile {
+public:
+    void DeduceTextureHandlerSize(std::vector<u32>&& bound_offsets);
+
+    u32 GetTextureHandlerSize() const {
+        return texture_handler_size;
+    }
+
+    bool TextureHandlerSizeKnown() const {
+        return texture_handler_size_deduced;
+    }
+
+private:
+    // Minimum size of texture handler any driver can use.
+    static constexpr u32 min_texture_handler_size = 4;
+    // This goes with Vulkan and OpenGL standards but Nvidia GPUs can easily
+    // use 4 bytes instead. Thus, certain drivers may squish the size.
+    static constexpr u32 default_texture_handler_size = 8;
+
+    u32 texture_handler_size = default_texture_handler_size;
+    bool texture_handler_size_deduced = false;
+};
+
+} // namespace VideoCore