Mesa (master): radeonsi: Allow 16 samples MSAA mode for PIPE_FORMAT_NONE

[Dave Airlie]

Module: Mesa
Branch: master
Commit: bb1bd0ddd70706c765053bc84deecac77d9b2349
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=bb1bd0ddd70706c765053bc84deecac77d9b2349

Author: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Date:   Sun Mar 20 14:50:04 2016 +1100

radeonsi: Allow 16 samples MSAA mode for PIPE_FORMAT_NONE

For ARB_framebuffer_no_attachment; A is_format_supported() query
with 'PIPE_FORMAT_NONE' passed implies a query of the number of
samples supported from the framebuffer with no attachment.

Signed-off-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeonsi/si_state.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 10d691a..415b03a 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2000,6 +2000,11 @@ boolean si_is_format_supported(struct pipe_screen *screen,
 		case 4:
 		case 8:
 			break;
+		case 16:
+			if (format == PIPE_FORMAT_NONE)
+				return TRUE;
+			else
+				return FALSE;
 		default:
 			return FALSE;
 		}