Mesa (master): r600: Add support for B5G5R5A1.

[Marek Olšák]

Module: Mesa
Branch: master
Commit: e6d7937b86d8f3c7e0605741de8721caf991af05
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e6d7937b86d8f3c7e0605741de8721caf991af05

Author: Michal Srb <msrb at suse.com>
Date:   Mon Jul 17 09:34:44 2017 +0200

r600: Add support for B5G5R5A1.

Fixes rendercheck errors when using glamor acceleration in X server.

Signed-off-by: Marek Olšák <marek.olsak at amd.com>

---

 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 f5c0e80919..a0f28d2776 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -2376,6 +2376,12 @@ void r600_vertex_data_type(enum pipe_format pformat,
 		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;