From f11e25ee957549ab867fac4f17a5c61fd9172794 Mon Sep 17 00:00:00 2001
From: Zack Rusin <zackr@vmware.com>
Date: Wed, 7 Jul 2010 16:41:01 -0400
Subject: slang: add some comments related to geometry shaders

---
 src/mesa/slang/slang_codegen.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/mesa/slang/slang_codegen.c')

diff --git a/src/mesa/slang/slang_codegen.c b/src/mesa/slang/slang_codegen.c
index b2fe5b1f86..8ebe298076 100644
--- a/src/mesa/slang/slang_codegen.c
+++ b/src/mesa/slang/slang_codegen.c
@@ -4191,6 +4191,9 @@ _slang_gen_variable(slang_assemble_ctx * A, slang_operation *oper)
    slang_variable *var = _slang_variable_locate(oper->locals, name, GL_TRUE);
    slang_ir_node *n;
    if (!var || !var->declared) {
+      /* Geometry shader set gl_VerticesIn at link time
+       * so we need to way with resolving this variable
+       * until then */
       if (A->program->Target == MESA_GEOMETRY_PROGRAM &&
           !strcmp((char*)name, "gl_VerticesIn") ){
          A->UnresolvedRefs = GL_TRUE;
-- 
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