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fix invalid error detection problem in _mesa_bind_attrib_location(), bug 10602

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This commit is contained in:
Brian 2007-04-11 09:00:56 -06:00
parent 183d8e0620
commit 9f66025f54
1 changed files with 11 additions and 7 deletions
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18
src/mesa/shader/shader_api.c
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@ -323,7 +323,13 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
return;
}
oldIndex = _mesa_get_attrib_location(ctx, program, name);
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, index);
@ -331,14 +337,12 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindAttribLocation");
}
if (shProg->VertexProgram && oldIndex >= 0) {
if (shProg->VertexProgram && oldIndex >= 0 && oldIndex != index) {
/* If the index changed, need to search/replace references to that attribute
* in the vertex program.
*/
_slang_remap_attribute(&shProg->VertexProgram->Base, oldIndex, index);
}
#if 0
printf("===== post BindAttrib:\n");
_mesa_print_program(&shProg->VertexProgram->Base);
#endif
}