From: Brian Paul <brianp@vmware.com>
Date: Tue, 31 Mar 2009 20:25:32 +0000 (-0600)
Subject: i965: do negation and Abs in get_src_reg_imm()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a9c62a2340794977a87cba4a352c02fc16f81505;p=mesa.git

i965: do negation and Abs in get_src_reg_imm()

Fixes regression seen with progs/glsl/bump.c
---

diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 4e99611be81..67ba59c3252 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -276,7 +276,12 @@ static struct brw_reg get_src_reg_imm(struct brw_wm_compile *c,
        const int component = GET_SWZ(src->Swizzle, index);
        const GLfloat *param =
           c->fp->program.Base.Parameters->ParameterValues[src->Index];
-       return brw_imm_f(param[component]);
+       GLfloat value = param[component];
+       if (src->NegateBase)
+          value = -value;
+       if (src->Abs)
+          value = FABSF(value);
+       return brw_imm_f(value);
     }
     else {
        return get_src_reg(c, src, index);