LibVirtGPU: Add enum for Gallium texture formats

Author: https://github.com/sunverwerth
Commit: 65a1ebcccf
Pull-request: https://github.com/SerenityOS/serenity/pull/16590
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/ccapitalK
Reviewed-by: https://github.com/gmta ✅
Reviewed-by: https://github.com/supercomputer7 ✅

Userland/Libraries/LibVirtGPU/VirGLProtocol.h

@@ -212,6 +212,10 @@ enum class ShaderType : u32 {
     SHADER_TYPES
 };
 
+enum class PipeFormat : u32 {
+    R32G32B32_FLOAT = 30
+};
+
 }
 
 }