From 6bc8749cd593e29e7950da36cd166aa1c9ebc34b Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 25 Jul 2008 08:34:54 -0600
Subject: mesa: fix issues causing warnings on Windows

---
 src/mesa/shader/shader_api.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/mesa/shader/shader_api.c')

diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 7c5a20bbbe..161e8b6160 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -512,7 +512,7 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
 {
    struct gl_shader_program *shProg;
    const GLint size = -1; /* unknown size */
-   GLint i;
+   GLint i, oldIndex;
    GLenum datatype = GL_FLOAT_VEC4;
 
    shProg = _mesa_lookup_shader_program_err(ctx, program,
@@ -535,6 +535,14 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
       return;
    }
 
+   if (shProg->LinkStatus) {
+      /* get current index/location for the attribute */
+      oldIndex = _mesa_get_attrib_location(ctx, program, name);
+   }
+   else {
+      oldIndex = -1;
+   }
+
    /* this will replace the current value if it's already in the list */
    i = _mesa_add_attribute(shProg->Attributes, name, size, datatype, index);
    if (i < 0) {
-- 
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