mesa: fix issues causing warnings on Windows
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 7c5a20b..161e8b6 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -512,7 +512,7 @@
{
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 @@
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) {