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| author | Kenneth Graunke <kenneth@whitecape.org> | 2015-02-10 03:36:48 -0800 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2015-02-17 15:24:15 -0800 |
| commit | 598d144cef412f114bddccc5d3c428682b41a7c2 (patch) | |
| tree | f97cee0e201ec9e19b30c8228430c90c5e2b9915 /src/mesa/drivers/dri/i915 | |
| parent | 7bf774034a20e6864d63caf8c65cc424454b1bed (diff) | |
| download | external_mesa3d-598d144cef412f114bddccc5d3c428682b41a7c2.zip external_mesa3d-598d144cef412f114bddccc5d3c428682b41a7c2.tar.gz external_mesa3d-598d144cef412f114bddccc5d3c428682b41a7c2.tar.bz2 | |
i915c: Use the actual MIN instruction.
Matt Turner noticed that the hardware has always had a MIN
instruction, but the driver always used MAX+MOV for no
apparent reason.
This should cut an instruction, and a temporary, allowing
more programs to run in hardware.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'src/mesa/drivers/dri/i915')
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_fragprog.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c index 96fdd3c..d42da5a 100644 --- a/src/mesa/drivers/dri/i915/i915_fragprog.c +++ b/src/mesa/drivers/dri/i915/i915_fragprog.c @@ -671,21 +671,7 @@ upload_program(struct i915_fragment_program *p) break; case OPCODE_MIN: - src0 = src_vector(p, &inst->SrcReg[0], program); - src1 = src_vector(p, &inst->SrcReg[1], program); - tmp = i915_get_utemp(p); - flags = get_result_flags(inst); - - i915_emit_arith(p, - A0_MAX, - tmp, flags & A0_DEST_CHANNEL_ALL, 0, - negate(src0, 1, 1, 1, 1), - negate(src1, 1, 1, 1, 1), 0); - - i915_emit_arith(p, - A0_MOV, - get_result_vector(p, inst), - flags, 0, negate(tmp, 1, 1, 1, 1), 0, 0); + EMIT_2ARG_ARITH(A0_MIN); break; case OPCODE_MOV: |