From 72fc47f0b0605748c9643e61c2a879b8476aa533 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 26 Mar 2010 16:37:53 -0700
Subject: [PATCH] Set variables with the sampler base type to read only.

Fixes increment3.frag.
---
 ir.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ir.cpp b/ir.cpp
index 4c1f307..90df67b 100644
--- a/ir.cpp
+++ b/ir.cpp
@@ -240,6 +240,9 @@ ir_variable::ir_variable(const struct glsl_type *type, const char *name)
 {
    this->type = type;
    this->name = name;
+
+   if (type && type->base_type == GLSL_TYPE_SAMPLER)
+      this->read_only = true;
 }
 
 
-- 
2.7.4