diff options
| author | Eric Anholt <eric@anholt.net> | 2009-08-04 14:13:27 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-09-04 14:12:36 -0700 |
| commit | 3d6c73513c5918a3f833ebf402803946b78828b8 (patch) | |
| tree | 164f56395b721b24521ba3ff697e1ebb7e04e365 | |
| parent | 83e6c67363d77d89ab4b6e2e202c8634d582c907 (diff) | |
i965: Emit conditional code updates as required for GLSL VS if statements.
Previously, we'd be branching based on whatever condition code happened to be
laying around.
(cherry picked from commit 7007f8b352763af89805f287153cb7972bff0523)
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index b95079a5d1..4887cdea5b 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -1448,6 +1448,19 @@ void brw_vs_emit(struct brw_vs_compile *c ) "unknown"); } + /* Set the predication update on the last instruction of the native + * instruction sequence. + * + * This would be problematic if it was set on a math instruction, + * but that shouldn't be the case with the current GLSL compiler. + */ + if (inst->CondUpdate) { + struct brw_instruction *hw_insn = &p->store[p->nr_insn - 1]; + + assert(hw_insn->header.destreg__conditionalmod == 0); + hw_insn->header.destreg__conditionalmod = BRW_CONDITIONAL_NZ; + } + if ((inst->DstReg.File == PROGRAM_OUTPUT) && (inst->DstReg.Index != VERT_RESULT_HPOS) && c->output_regs[inst->DstReg.Index].used_in_src) { |