File U_r600-Add-support-for-B5G5R5A1.patch of Package Mesa.5370

Author: Michal Srb <michalsrb@gmail.com>
Subject: r600: Add support for B5G5R5A1.
Patch-Mainline: To be upstreamed
References: bnc#1047154

Fixes rendercheck errors when using glamor acceleration in X server.
---
 src/gallium/drivers/r600/r600_asm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 9e00528c5c..be2a086594 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -2350,6 +2350,12 @@ void r600_vertex_data_type(enum pipe_for
 		return;
 	}
 
+	if (pformat == PIPE_FORMAT_B5G5R5A1_UNORM) {
+		*format = FMT_1_5_5_5;
+		*endian = r600_endian_swap(16);
+		return;
+	}
+
 	desc = util_format_description(pformat);
 	if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) {
 		goto out_unknown;