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-rw-r--r--src/glsl/glcpp/glcpp-parse.y3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y
index ff5bdfe5db5..fb1c1d0466d 100644
--- a/src/glsl/glcpp/glcpp-parse.y
+++ b/src/glsl/glcpp/glcpp-parse.y
@@ -1245,6 +1245,9 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api)
if (extensions->ARB_shading_language_420pack)
add_builtin_define(parser, "GL_ARB_shading_language_420pack", 1);
+
+ if (extensions->MESA_shader_integer_mix)
+ add_builtin_define(parser, "GL_MESA_shader_integer_mix", 1);
}
}