From bc4034b243975089c06c4415d4e26edaaaec7a46 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 5 Aug 2010 15:22:05 -0700
Subject: glsl2: Add a pass to convert exp and log to exp2 and log2.

Fixes ir_to_mesa handling of unop_log, which used the weird ARB_vp LOG
opcode that doesn't do what we want.  This also lets the multiplication
coefficients in there get constant-folded, possibly.

Fixes:
glsl-fs-log
---
 src/glsl/linker.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/glsl/linker.cpp')

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 050116954a1..9d6de242f5f 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -1281,6 +1281,7 @@ link_shaders(struct gl_shader_program *prog)
       do_mat_op_to_vec(ir);
       do_mod_to_fract(ir);
       do_div_to_mul_rcp(ir);
+      do_explog_to_explog2(ir);
 
       do {
 	 progress = false;
-- 
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