diff options
| author | Marek Olšák <[email protected]> | 2015-01-11 18:38:03 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2015-01-19 20:15:27 +0100 |
| commit | 5b01512df3328711968dea7240ae817721c79774 (patch) | |
| tree | cd8607a4a77203219030be47e38730c2b45f05c8 /src/mesa/state_tracker/st_atom_shader.c | |
| parent | ccc5b60b06269a5d847b7fe9ebe08dc61b4d2030 (diff) | |
st/mesa: don't set vs.key.clamp_color if a shader doesn't write any colors
And update some comments.
Diffstat (limited to 'src/mesa/state_tracker/st_atom_shader.c')
| -rw-r--r-- | src/mesa/state_tracker/st_atom_shader.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c index 6515a98a3fb..73768ed1237 100644 --- a/src/mesa/state_tracker/st_atom_shader.c +++ b/src/mesa/state_tracker/st_atom_shader.c @@ -149,7 +149,12 @@ update_vp( struct st_context *st ) key.passthrough_edgeflags = st->vertdata_edgeflags; key.clamp_color = st->clamp_vert_color_in_shader && - st->ctx->Light._ClampVertexColor; + st->ctx->Light._ClampVertexColor && + (stvp->Base.Base.OutputsWritten & + (VARYING_SLOT_COL0 | + VARYING_SLOT_COL1 | + VARYING_SLOT_BFC0 | + VARYING_SLOT_BFC1)); st->vp_variant = st_get_vp_variant(st, stvp, &key); |