nv_flinger: Use enum for pixel format instead of u32

src/core/hle/service/nvflinger/buffer_queue.cpp

@@ -138,9 +138,7 @@ u32 BufferQueue::Query(QueryType type) {
 
     switch (type) {
     case QueryType::NativeWindowFormat:
-        // TODO(Subv): Use an enum for this
-        static constexpr u32 FormatABGR8 = 1;
-        return FormatABGR8;
+        return static_cast<u32>(PixelFormat::RGBA8888);
     }
 
     UNIMPLEMENTED();

src/core/hle/service/nvflinger/buffer_queue.h

@@ -66,6 +66,16 @@ public:
         Rotate270 = 0x07,
     };
 
+    enum class PixelFormat : u32 {
+        RGBA8888 = 1,
+        RGBX8888 = 2,
+        RGB888 = 3,
+        RGB565 = 4,
+        BGRA8888 = 5,
+        RGBA5551 = 6,
+        RRGBA4444 = 7,
+    };
+
     struct Buffer {
         enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 };