diff options
Diffstat (limited to 'src/mesa/state_tracker/st_atom_shader.c')
-rw-r--r-- | src/mesa/state_tracker/st_atom_shader.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c index 09baff875b..46c8cbb309 100644 --- a/src/mesa/state_tracker/st_atom_shader.c +++ b/src/mesa/state_tracker/st_atom_shader.c @@ -106,7 +106,18 @@ find_translated_vp(struct st_context *st, /* Nothing in our key yet. This will change: */ memset(&key, 0, sizeof key); - key.dummy = 0; + + /* When this is true, we will add an extra input to the vertex + * shader translation (for edgeflags), an extra output with + * edgeflag semantics, and extend the vertex shader to pass through + * the input to the output. We'll need to use similar logic to set + * up the extra vertex_element input for edgeflags. + * _NEW_POLYGON, ST_NEW_EDGEFLAGS_DATA + */ + key.passthrough_edgeflags = (st->vertdata_edgeflags && ( + st->ctx->Polygon.FrontMode != GL_FILL || + st->ctx->Polygon.BackMode != GL_FILL)); + /* Do we need to throw away old translations after a change in the * GL program string? @@ -218,8 +229,8 @@ update_vp( struct st_context *st ) const struct st_tracked_state st_update_vp = { "st_update_vp", /* name */ { /* dirty */ - 0, /* mesa */ - ST_NEW_VERTEX_PROGRAM /* st */ + _NEW_POLYGON, /* mesa */ + ST_NEW_VERTEX_PROGRAM | ST_NEW_EDGEFLAGS_DATA /* st */ }, update_vp /* update */ }; |