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r600g: fix polygon offset scale

Browse source 
The value was copied from r300g, which uses 1/12 subpixels, but this hw
uses 1/16 subpixels.

Should fix piglit: gl-1.4-polygon-offset (formerly a glean test)
(untested, ported from radeonsi)

Reviewed-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: mesa-stable@lists.freedesktop.org
(cherry picked from commit d335aad11b)
This commit is contained in:
Marek Olšák 2015-08-11 22:36:51 +02:00 • committed by Emil Velikov
parent e7e38e11c3
commit f40be87996
2 changed files with 2 additions and 2 deletions
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2
src/gallium/drivers/r600/evergreen_state.c
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@ -485,7 +485,7 @@ static void *evergreen_create_rs_state(struct pipe_context *ctx,
/* offset */
rs->offset_units = state->offset_units;
rs->offset_scale = state->offset_scale * 12.0f;
rs->offset_scale = state->offset_scale * 16.0f;
rs->offset_enable = state->offset_point || state->offset_line || state->offset_tri;
if (state->point_size_per_vertex) {

2
src/gallium/drivers/r600/r600_state.c
View file

@ -473,7 +473,7 @@ static void *r600_create_rs_state(struct pipe_context *ctx,
/* offset */
rs->offset_units = state->offset_units;
rs->offset_scale = state->offset_scale * 12.0f;
rs->offset_scale = state->offset_scale * 16.0f;
rs->offset_enable = state->offset_point || state->offset_line || state->offset_tri;
if (state->point_size_per_vertex) {