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nvc0: fix line width on GM20x+

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This has the side-effect of fixing polygon-offset piglit test failures.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Rhys Perry 2018-04-20 23:32:05 +01:00 committed by Ilia Mirkin
parent 7b20329107
commit a0e57432b7
1 changed files with 4 additions and 1 deletions
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5
src/gallium/drivers/nouveau/nvc0/nvc0_state.c
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@ -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);