Mesa (glsl2): glsl2: Unmark unwritten varyings as varying.

[Eric Anholt]

Module: Mesa
Branch: glsl2
Commit: a6c7606ab6e2ba8b4fc253e93a83ca2f18a874b4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a6c7606ab6e2ba8b4fc253e93a83ca2f18a874b4

Author: Eric Anholt <eric at anholt.net>
Date:   Wed Jul 28 13:42:36 2010 -0700

glsl2: Unmark unwritten varyings as varying.

This fixes an assertion failure in ir_to_mesa, and the varying won't
take up varying space.

---

 src/glsl/linker.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index e7bc700..ec3cc01 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -1132,6 +1132,7 @@ assign_varying_locations(gl_shader *producer, gl_shader *consumer)
        * by the previous stage.
        */
       var->shader_in = (var->location != -1);
+      var->mode = ir_var_auto;
    }
 }