Mesa (master): Revert "nvc0: fix line width on GM20x+"

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Module: Mesa
Branch: master
Commit: 2d489f76f48095799392a915dcedc074bbb5e52a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2d489f76f48095799392a915dcedc074bbb5e52a

Author: Karol Herbst <kherbst at redhat.com>
Date:   Wed Apr 15 22:24:35 2020 +0200

Revert "nvc0: fix line width on GM20x+"

This reverts commit a0e57432b76c32f2109dab0ad3df0ba03967441c.

It's unclear what caused the test to fail back then. Now it's seems to be
reversed. I tested with a close enough piglit and mesa branch and wasn't
able to reproduce the same test result I've got in some older piglit runs.

Fixes:
dEQP-GLES2.functional.rasterization.primitives.lines_wide
dEQP-GLES2.functional.rasterization.primitives.line_strip_wide
dEQP-GLES2.functional.rasterization.primitives.line_loop_wide
dEQP-GLES2.functional.rasterization.limits.points
dEQP-GLES2.functional.clipping.line.wide_line_z_clip
dEQP-GLES2.functional.clipping.line.wide_line_z_clip_viewport_center
dEQP-GLES2.functional.clipping.line.wide_line_z_clip_viewport_corner
dEQP-GLES2.functional.clipping.line.wide_line_clip
dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_center
dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_corner
dEQP-GLES2.functional.clipping.line.wide_line_attrib_clip
dEQP-GLES2.functional.polygon_offset.default_result_depth_clamp
dEQP-GLES2.functional.polygon_offset.default_factor_1_slope
dEQP-GLES2.functional.polygon_offset.fixed16_result_depth_clamp
dEQP-GLES2.functional.polygon_offset.fixed16_factor_1_slope

Signed-off-by: Karol Herbst <kherbst at redhat.com>
Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4575>

---

 src/gallium/drivers/nouveau/nvc0/nvc0_state.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
index d53a6cb2a26..5cb07609dae 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
@@ -235,10 +235,7 @@ 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);
-    /* 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)
+    if (cso->line_smooth || cso->multisample)
        SB_BEGIN_3D(so, LINE_WIDTH_SMOOTH, 1);
     else
        SB_BEGIN_3D(so, LINE_WIDTH_ALIASED, 1);