diff options
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp index 6d9c31f2336..cfa67925e4a 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp @@ -1919,15 +1919,14 @@ fs_visitor::visit(ir_discard *ir) if (brw->gen >= 6) { /* For performance, after a discard, jump to the end of the shader. - * However, many people will do foliage by discarding based on a - * texture's alpha mask, and then continue on to texture with the - * remaining pixels. To avoid trashing the derivatives for those - * texture samples, we'll only jump if all of the pixels in the subspan - * have been discarded. + * Only jump if all relevant channels have been discarded. */ fs_inst *discard_jump = emit(FS_OPCODE_DISCARD_JUMP); discard_jump->flag_subreg = 1; - discard_jump->predicate = BRW_PREDICATE_ALIGN1_ANY4H; + + discard_jump->predicate = (dispatch_width == 8) + ? BRW_PREDICATE_ALIGN1_ANY8H + : BRW_PREDICATE_ALIGN1_ANY16H; discard_jump->predicate_inverse = true; } } |