metal: create renderer

include/panda_qt/main_window.hpp

@@ -129,6 +129,7 @@ class MainWindow : public QMainWindow {
 	// Tracks whether we are using an OpenGL-backed renderer or a Vulkan-backed renderer
 	bool usingGL = false;
 	bool usingVk = false;
+	bool usingMtl = false;
 
 	// Variables to keep track of whether the user is controlling the 3DS analog stick with their keyboard
 	// This is done so when a gamepad is connected, we won't automatically override the 3DS analog stick settings with the gamepad's state

include/renderer.hpp

@@ -17,7 +17,8 @@ enum class RendererType : s8 {
 	Null = 0,
 	OpenGL = 1,
 	Vulkan = 2,
-	Software = 3,
+	Metal = 3,
+	Software = 4,
 };
 
 struct EmulatorConfig;

include/renderer_gl/surface_cache.hpp

@@ -19,8 +19,8 @@ template <typename SurfaceType, size_t capacity, bool evictOnOverflow = false>
 class SurfaceCache {
     // Vanilla std::optional can't hold actual references
     using OptionalRef = std::optional<std::reference_wrapper<SurfaceType>>;
-    static_assert(std::is_same<SurfaceType, ColourBuffer>() || std::is_same<SurfaceType, DepthBuffer>()  ||
-        std::is_same<SurfaceType, Texture>(), "Invalid surface type");
+    //static_assert(std::is_same<SurfaceType, ColourBuffer>() || std::is_same<SurfaceType, DepthBuffer>()  ||
+    //    std::is_same<SurfaceType, Texture>(), "Invalid surface type");
 
     size_t size;
     size_t evictionIndex;