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llvmpipe: add missing checks for polygon offset point/line modes 

The llvm pipeline handles regular filled triangle offsets, but it
doesn't handle offsets for triangles drawn in point or line mode.

Fixes failures found with new piglit polygon-mode-offset test.

Note: This is a candidate for the stable branches.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Brian Paul 2013-02-21 08:22:10 -07:00
parent d6b8b116ee
commit f93c580063
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
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@ -46,6 +46,10 @@ clear_flags(struct pipe_rasterizer_state *rast)
{
rast->light_twoside = 0;
rast->offset_tri = 0;
rast->offset_line = 0;
rast->offset_point = 0;
rast->offset_units = 0.0f;
rast->offset_scale = 0.0f;
}
@ -74,6 +78,8 @@ llvmpipe_create_rasterizer_state(struct pipe_context *pipe,
*/
need_pipeline = (rast->fill_front != PIPE_POLYGON_MODE_FILL ||
rast->fill_back != PIPE_POLYGON_MODE_FILL ||
rast->offset_point ||
rast->offset_line ||
rast->point_smooth ||
rast->line_smooth ||
rast->line_stipple_enable ||