diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_clip_line.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip_line.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_clip_line.c b/src/mesa/drivers/dri/i965/brw_clip_line.c index 83182270ea..ff9003e014 100644 --- a/src/mesa/drivers/dri/i965/brw_clip_line.c +++ b/src/mesa/drivers/dri/i965/brw_clip_line.c @@ -146,6 +146,15 @@ static void clip_and_emit_line( struct brw_clip_compile *c ) brw_clip_init_planes(c); brw_clip_init_clipmask(c); + /* -ve rhw workaround */ + if (!(BRW_IS_GM45(p->brw) || BRW_IS_G4X(p->brw))) { + brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ); + brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2), + brw_imm_ud(1<<20)); + brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(0x3f)); + brw_set_predicate_control(p, BRW_PREDICATE_NONE); + } + plane_loop = brw_DO(p, BRW_EXECUTE_1); { /* if (planemask & 1) |