Mesa (glsl2): ir_to_mesa: Support gl_FragDepth.

[Eric Anholt]

Module: Mesa
Branch: glsl2
Commit: 88c20c46b8f708e89adef28f341c51ea7883b6a0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=88c20c46b8f708e89adef28f341c51ea7883b6a0

Author: Eric Anholt <eric at anholt.net>
Date:   Wed Jun 30 14:55:45 2010 -0700

ir_to_mesa: Support gl_FragDepth.

Fixes glsl-bug-22603.

---

 src/mesa/shader/ir_to_mesa.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp
index c39621b..ef9a96e 100644
--- a/src/mesa/shader/ir_to_mesa.cpp
+++ b/src/mesa/shader/ir_to_mesa.cpp
@@ -222,7 +222,7 @@ static const struct {
    {"gl_FragCoord", PROGRAM_INPUT, FRAG_ATTRIB_WPOS},
    {"gl_FrontFacing", PROGRAM_INPUT, FRAG_ATTRIB_FACE},
    {"gl_FragColor", PROGRAM_OUTPUT, FRAG_ATTRIB_COL0},
-   {"gl_FragDepth", PROGRAM_UNDEFINED, FRAG_ATTRIB_WPOS}, /* FINISHME: WPOS.z */
+   {"gl_FragDepth", PROGRAM_OUTPUT, FRAG_RESULT_DEPTH},
 
    /* 110_deprecated_fs */
    {"gl_Color", PROGRAM_INPUT, FRAG_ATTRIB_COL0},