glsl: Fix tautological comparison.

[mesa.git] / src / glsl / ir_reader.cpp

diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp
index ae00e793496c5cbc1c90fcaedfdcdad0e632e246..fd318c046e200436ea32d1d799004a8bca048900 100644 (file)
--- a/src/glsl/ir_reader.cpp
+++ b/src/glsl/ir_reader.cpp
@@ -972,7 +972,7 @@ ir_reader::read_texture(s_expression *expr)
       op = ir_query_levels;
    } else if (MATCH(expr, other_pattern)) {
       op = ir_texture::get_opcode(tag->value());
-      if (op == -1)
+      if (op == (ir_texture_opcode) -1)
         return NULL;
    } else {
       ir_read_error(NULL, "unexpected texture pattern %s", tag->value());