Module: Mesa
Branch: master
Commit: a0e57432b76c32f2109dab0ad3df0ba03967441c
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a0e57432b76c32f2109dab0ad3df0ba03967441c
Author: Rhys Perry <pendingchao...@gmail.com>
Date: Fri Apr 20 23:32:05 2018 +0100
nvc0: fix line width on GM20x+
This has the side-effect of fixing polygon-offset piglit test failures.
Signed-off-by: Rhys Perry <pendingchao...@gmail.com>
Reviewed-by: Ilia Mirkin <imir...@alum.mit.edu>
---
src/gallium/drivers/nouveau/nvc0/nvc0_state.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
index 99d45a238a..3e204f09a4 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
@@ -233,7 +233,10 @@ nvc0_rasterizer_state_create(struct pipe_context *pipe,
SB_IMMED_3D(so, MULTISAMPLE_ENABLE, cso->multisample);
SB_IMMED_3D(so, LINE_SMOOTH_ENABLE, cso->line_smooth);
- if (cso->line_smooth || cso->multisample)
+ /* On GM20x+, LINE_WIDTH_SMOOTH controls both aliased and smooth
+ * rendering and LINE_WIDTH_ALIASED seems to be ignored
+ */
+ if (cso->line_smooth || cso->multisample || class_3d >= GM200_3D_CLASS)
SB_BEGIN_3D(so, LINE_WIDTH_SMOOTH, 1);
else
SB_BEGIN_3D(so, LINE_WIDTH_ALIASED, 1);
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