gpu: Add several framebuffer formats to RenderTargetFormat.

src/video_core/gpu.h

@@ -15,7 +15,10 @@ namespace Tegra {
 
 enum class RenderTargetFormat : u32 {
     NONE = 0x0,
+    RGBA16_FLOAT = 0xCA,
+    RGB10_A2_UNORM = 0xD1,
     RGBA8_UNORM = 0xD5,
+    RGBA8_SRGB = 0xD6,
 };
 
 class DebugContext;