diff options
| author | Brian Paul <brianp@vmware.com> | 2009-05-27 19:27:31 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-05-27 19:27:31 -0600 |
| commit | 5d75124db480b37977c353511b4e228905b7cc95 (patch) | |
| tree | b44c38ba4c4467ad7230446826cfc08a7667bc9e /src/gallium/drivers | |
| parent | c13bd7488593263f2c45c136b63114ce8b4602fb (diff) | |
softpipe: fix flat shading provoking vertex for PIPE_PRIM_POLYGON
Use the first vertex, not the last.
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_context.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_draw_arrays.c | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_setup.c | 5 |
3 files changed, 6 insertions, 1 deletions
diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h index b89a7292e5..2f90d538a5 100644 --- a/src/gallium/drivers/softpipe/sp_context.h +++ b/src/gallium/drivers/softpipe/sp_context.h @@ -107,6 +107,7 @@ struct softpipe_context { /** Which vertex shader output slot contains point size */ int psize_slot; + unsigned api_prim; /**< current prim type being drawn: PIPE_PRIM_x */ unsigned reduced_api_prim; /**< PIPE_PRIM_POINTS, _LINES or _TRIANGLES */ /** Derived from scissor and surface bounds: */ diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c index f117096bf7..1460bc4b4b 100644 --- a/src/gallium/drivers/softpipe/sp_draw_arrays.c +++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c @@ -129,6 +129,7 @@ softpipe_draw_range_elements(struct pipe_context *pipe, struct draw_context *draw = sp->draw; unsigned i; + sp->api_prim = mode; sp->reduced_api_prim = reduced_prim[mode]; if (sp->dirty) diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index accc692b66..c4dd61e41e 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -512,7 +512,10 @@ static boolean setup_sort_vertices( struct setup_context *setup, const float (*v1)[4], const float (*v2)[4] ) { - setup->vprovoke = v2; + if (setup->softpipe->api_prim == PIPE_PRIM_POLYGON) + setup->vprovoke = v0; + else + setup->vprovoke = v2; /* determine bottom to top order of vertices */ { |