glsl: allow usage of the keyword buffer before GLSL 430 / ESSL 310

[mesa.git] / src / compiler / glsl / glsl_lexer.ll

diff --git a/src/compiler/glsl/glsl_lexer.ll b/src/compiler/glsl/glsl_lexer.ll
index 0b7695f8d3ee38ae2ac2a39d8a96df6b10b27899..6b1ef1717e5e365a7bbce1f60eb3e16a1810a129 100644 (file)
--- a/src/compiler/glsl/glsl_lexer.ll
+++ b/src/compiler/glsl/glsl_lexer.ll
@@ -304,7 +304,7 @@ in          return IN_TOK;
 out            return OUT_TOK;
 inout          return INOUT_TOK;
 uniform                return UNIFORM;
-buffer         return BUFFER;
+buffer         KEYWORD_WITH_ALT(0, 0, 430, 310, yyextra->ARB_shader_storage_buffer_object_enable, BUFFER);
 varying                DEPRECATED_ES_KEYWORD(VARYING);
 centroid       KEYWORD(120, 300, 120, 300, CENTROID);
 invariant      KEYWORD(120, 100, 120, 100, INVARIANT);