diff options
| author | Eric Anholt <eric@anholt.net> | 2009-08-04 14:13:27 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-08-04 18:06:34 -0700 |
| commit | 7007f8b352763af89805f287153cb7972bff0523 (patch) | |
| tree | b929f3401a3e5474002eb7a4122970c449b46d05 | |
| parent | 011244853b538a1a5adf602c8ed2de5c0f047548 (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.
| -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 f0eb6eb2b6..bd584d2189 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -1558,6 +1558,19 @@ 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) { |