Hack for Warcraft (bug 8060): allow 'vertex.weight' to be referenced in
vertex program, even though it's not really supported. Results will be
undefined, but Warcraft doesn't actually use the attribute.
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index 898be0f..6c6ec07 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -1491,8 +1491,13 @@
GLint weight;
err = parse_weight_num (ctx, inst, Program, &weight);
*inputReg = VERT_ATTRIB_WEIGHT;
+#if 1
+ /* hack for Warcraft (see bug 8060) */
+ _mesa_warning(ctx, "Application error: vertex program uses 'vertex.weight' but GL_ARB_vertex_blend not supported.");
+#else
program_error(ctx, Program->Position,
"ARB_vertex_blend not supported");
+#endif
}
return 1;
@@ -3784,6 +3789,11 @@
&& !enable_ext(ctx, id, "draw_buffers"))
return GL_FALSE;
+#if 1
+ /* hack for Warcraft (see bug 8060) */
+ enable_ext(ctx, id, "vertex_blend");
+#endif
+
return GL_TRUE;
}