Mesa (master): i965: Drop code for emitting OPCODE_SUB, since brw_wm_fp. c makes it an ADD.
Eric Anholt
anholt at kemper.freedesktop.org
Wed Aug 12 19:51:26 UTC 2009
Module: Mesa
Branch: master
Commit: 4de8b8902f66843a99f5fb703658fecd5a117133
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=4de8b8902f66843a99f5fb703658fecd5a117133
Author: Eric Anholt <eric at anholt.net>
Date: Tue Aug 11 16:40:20 2009 -0700
i965: Drop code for emitting OPCODE_SUB, since brw_wm_fp.c makes it an ADD.
---
src/mesa/drivers/dri/i965/brw_wm_glsl.c | 21 ---------------------
1 files changed, 0 insertions(+), 21 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 5f49279..3a68e05 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -1208,24 +1208,6 @@ static void emit_arl(struct brw_wm_compile *c,
brw_set_saturate(p, 0);
}
-static void emit_sub(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- struct brw_reg src0, src1, dst;
- GLuint mask = inst->DstReg.WriteMask;
- int i;
- brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0);
- for (i = 0 ; i < 4; i++) {
- if (mask & (1<<i)) {
- dst = get_dst_reg(c, inst, i);
- src0 = get_src_reg(c, inst, 0, i);
- src1 = get_src_reg_imm(c, inst, 1, i);
- brw_ADD(p, dst, src0, negate(src1));
- }
- }
- brw_set_saturate(p, 0);
-}
static void emit_mul(struct brw_wm_compile *c,
const struct prog_instruction *inst)
@@ -2861,9 +2843,6 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
case OPCODE_ARL:
emit_arl(c, inst);
break;
- case OPCODE_SUB:
- emit_sub(c, inst);
- break;
case OPCODE_FRC:
emit_frc(c, inst);
break;
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