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i965: Handle the negate and abs swizzles on brw_wm_glsl.c immediate args.

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Fixes piglit glsl-orangebook-ch06-bump, regressed with
4fc5732225
This commit is contained in:
Eric Anholt 2010-03-24 10:26:05 -07:00
parent 01f7acb700
commit 3695cdd606
1 changed files with 12 additions and 2 deletions
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14
src/mesa/drivers/dri/i965/brw_wm_glsl.c
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@ -583,11 +583,21 @@ static struct brw_reg get_src_reg(struct brw_wm_compile *c,
if (component == SWIZZLE_ZERO) {
return brw_imm_f(0.0F);
} else if (component == SWIZZLE_ONE) {
return brw_imm_f(1.0F);
if (src->Negate)
return brw_imm_f(-1.0F);
else
return brw_imm_f(1.0F);
}
if (src->File == PROGRAM_CONSTANT) {
return brw_imm_f(params->ParameterValues[src->Index][component]);
float f = params->ParameterValues[src->Index][component];
if (src->Abs)
f = fabs(f);
if (src->Negate)
f = -f;
return brw_imm_f(f);
}
}