nv40: dump meaningful names for surface formats

src/gallium/drivers/nv40/nv40_fragtex.c

@@ -41,6 +41,7 @@ static struct nv40_texture_format *
 nv40_fragtex_format(uint pipe_format)
 {
 	struct nv40_texture_format *tf = nv40_texture_formats;
+	char fs[128];
 
 	while (tf->defined) {
 		if (tf->pipe == pipe_format)
@@ -48,6 +49,8 @@ nv40_fragtex_format(uint pipe_format)
 		tf++;
 	}
 
+	pf_sprint_name(fs, pipe_format);
+	NOUVEAU_ERR("unknown texture format %s\n", fs);
 	return NULL;
 }
 

src/gallium/drivers/nv40/nv40_vbo.c

@@ -30,9 +30,13 @@ nv40_vbo_type(uint format)
 	case PIPE_FORMAT_TYPE_UNORM:
 		return NV40TCL_VTXFMT_TYPE_UBYTE;
 	default:
-		NOUVEAU_ERR("Unknown format 0x%08x\n", format);
+	{
+		char fs[128];
+		pf_sprint_name(fs, format);
+		NOUVEAU_ERR("Unknown format %s\n", fs);
 		return NV40TCL_VTXFMT_TYPE_FLOAT;
 	}
+	}
 }
 
 static boolean