From 1cb7cd1292dc8592d4912194d91355eb61361be5 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Mon, 2 Feb 2009 16:29:08 -0700
Subject: glsl: update program->InputsRead when referencing input attributes

This info will be used in the linker for allocating generic vertex attribs.
---
 src/mesa/shader/slang/slang_emit.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/mesa/shader/slang/slang_emit.c')

diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index ea446fa5d49..2dd122c9a54 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -2120,6 +2120,10 @@ emit_var_ref(slang_emit_info *emitInfo, slang_ir_node *n)
       /* mark var as used */
       _mesa_use_uniform(emitInfo->prog->Parameters, (char *) n->Var->a_name);
    }
+   else if (n->Store->File == PROGRAM_INPUT) {
+      assert(n->Store->Index >= 0);
+      emitInfo->prog->InputsRead |= (1 << n->Store->Index);
+   }
 
    if (n->Store->Index < 0) {
       /* probably ran out of registers */
-- 
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