Mesa (master): r600: Fix maximum line width
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Sat Jan 4 16:37:46 UTC 2020
Module: Mesa
Branch: master
Commit: e8559ae4484c3240c81c0cbf49caf5be338f8395
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e8559ae4484c3240c81c0cbf49caf5be338f8395
Author: Gert Wollny <gert.wollny at collabora.com>
Date: Sat Dec 28 15:35:13 2019 +0100
r600: Fix maximum line width
There are only 13 bits available to store the line width, hence
it can't be larger than 8191
v2: Add Fixes tag
v3: - Unify value since for all r600 archs (Konstantin Kharlamov)
- Correct the value the line width value is emitted as a 12.4
fixed point value of 1/2 line width on r600-r700 and as
8 * line width on Evergreen and newer.
Fixes: 06bfb2d28f7adca7edc6be9c210a7a3583023652
r600: fork and import gallium/radeon
Signed-off-by: Gert Wollny <gert.wollny at collabora.com>
Reviewed-by: Konstantin Kharlamov <hi-angel at yandex.ru>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3286>
---
src/gallium/drivers/r600/r600_pipe_common.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_pipe_common.c b/src/gallium/drivers/r600/r600_pipe_common.c
index b2b832903d3..91607ca71ea 100644
--- a/src/gallium/drivers/r600/r600_pipe_common.c
+++ b/src/gallium/drivers/r600/r600_pipe_common.c
@@ -817,10 +817,7 @@ static float r600_get_paramf(struct pipe_screen* pscreen,
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
case PIPE_CAPF_MAX_POINT_WIDTH:
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
- if (rscreen->family >= CHIP_CEDAR)
- return 16384.0f;
- else
- return 8192.0f;
+ return 8191.0f;
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
return 16.0f;
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
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