Update to latest upstream release candidate.

Update patches.

4 files changed, 439 insertions, 23 deletions

diff --git a/src/mesa/shader/slang/library/gc_to_bin.c b/src/mesa/shader/slang/library/gc_to_bin.c
index 69895d84bfd..ce9a6541acc 100755
--- a/src/mesa/shader/slang/library/gc_to_bin.c
+++ b/src/mesa/shader/slang/library/gc_to_bin.c
@@ -1,12 +1,13 @@
 #include "../../grammar/grammar_crt.h"
 #include "../../grammar/grammar_crt.c"
+#include <stdlib.h>
 #include <stdio.h>
 
 static const char *slang_shader_syn =
 #include "slang_shader_syn.h"
 ;
 
-static void gc_to_bin (grammar id, const char *in, const char *out)
+static int gc_to_bin (grammar id, const char *in, const char *out)
 {
 	FILE *f;
 	byte *source, *prod;
@@ -16,7 +17,7 @@ static void gc_to_bin (grammar id, const char *in, const char *out)
 
 	f = fopen (in, "r");
 	if (f == NULL)
-		return;
+		return 1;
 	fseek (f, 0, SEEK_END);
 	size = ftell (f);
 	fseek (f, 0, SEEK_SET);
@@ -27,7 +28,7 @@ static void gc_to_bin (grammar id, const char *in, const char *out)
 	if (!grammar_fast_check (id, source, &prod, &size, 65536))
 	{
 		grammar_alloc_free (source);
-		return;
+		return 1;
 	}
 
 	f = fopen (out, "w");
@@ -59,29 +60,23 @@ static void gc_to_bin (grammar id, const char *in, const char *out)
 	fprintf (f, "\n");
 	fclose (f);
 	grammar_alloc_free (prod);
+   return 0;
 }
 
-int main ()
+int main (int argc, char *argv[])
 {
-	grammar id;
-
-	id = grammar_load_from_text ((const byte *) slang_shader_syn);
-	if (id == 0)
-		return 1;
-
-	grammar_set_reg8 (id, (const byte *) "parsing_builtin", 1);
-
-	grammar_set_reg8 (id, (const byte *) "shader_type", 1);
-	gc_to_bin (id, "slang_core.gc", "slang_core_gc.h");
-	gc_to_bin (id, "slang_common_builtin.gc", "slang_common_builtin_gc.h");
-	gc_to_bin (id, "slang_fragment_builtin.gc", "slang_fragment_builtin_gc.h");
-   gc_to_bin (id, "slang_builtin_vec4.gc", "slang_builtin_vec4_gc.h");
-
-	grammar_set_reg8 (id, (const byte *) "shader_type", 2);
-	gc_to_bin (id, "slang_vertex_builtin.gc", "slang_vertex_builtin_gc.h");
-
-	grammar_destroy (id);
+   grammar id;
 
-	return 0;
+   id = grammar_load_from_text ((const byte *) slang_shader_syn);
+   if (id == 0)
+      return 1;
+   grammar_set_reg8 (id, (const byte *) "parsing_builtin", 1);
+   grammar_set_reg8 (id, (const byte *) "shader_type", atoi (argv[1]));
+   if (gc_to_bin (id, argv[2], argv[3])) {
+      grammar_destroy (id);
+      return 1;
+   }
+   grammar_destroy (id);
+   return 0;
 }
 
diff --git a/src/mesa/shader/slang/library/slang_pp_directives_syn.h b/src/mesa/shader/slang/library/slang_pp_directives_syn.h
new file mode 100644
index 00000000000..35e7bc27616
--- /dev/null
+++ b/src/mesa/shader/slang/library/slang_pp_directives_syn.h
@@ -0,0 +1,239 @@
+
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE .syn FILE */
+
+".syntax source;\n"
+".emtcode ESCAPE_TOKEN 0\n"
+".emtcode TOKEN_END 0\n"
+".emtcode TOKEN_DEFINE 1\n"
+".emtcode TOKEN_UNDEF 2\n"
+".emtcode TOKEN_IF 3\n"
+".emtcode TOKEN_ELSE 4\n"
+".emtcode TOKEN_ELIF 5\n"
+".emtcode TOKEN_ENDIF 6\n"
+".emtcode TOKEN_ERROR 7\n"
+".emtcode TOKEN_PRAGMA 8\n"
+".emtcode TOKEN_EXTENSION 9\n"
+".emtcode TOKEN_LINE 10\n"
+".emtcode PARAM_END 0\n"
+".emtcode PARAM_PARAMETER 1\n"
+".emtcode BEHAVIOR_REQUIRE 1\n"
+".emtcode BEHAVIOR_ENABLE 2\n"
+".emtcode BEHAVIOR_WARN 3\n"
+".emtcode BEHAVIOR_DISABLE 4\n"
+"source\n"
+" optional_directive .and .loop source_element .and '\\0' .emit ESCAPE_TOKEN .emit TOKEN_END;\n"
+"source_element\n"
+" c_style_comment_block .or cpp_style_comment_block .or new_line_directive .or source_token;\n"
+"c_style_comment_block\n"
+" '/' .and '*' .and c_style_comment_rest .and .true .emit ' ';\n"
+"c_style_comment_rest\n"
+" .loop c_style_comment_body .and c_style_comment_end;\n"
+"c_style_comment_body\n"
+" c_style_comment_char_nostar .or c_style_comment_char_star_noslashstar;\n"
+"c_style_comment_char_nostar\n"
+" new_line .or '\\x2B'-'\\xFF' .or '\\x01'-'\\x29';\n"
+"c_style_comment_char_star_noslashstar\n"
+" '*' .and c_style_comment_char_star_noslashstar_1;\n"
+"c_style_comment_char_star_noslashstar_1\n"
+" c_style_comment_char_noslashstar .or c_style_comment_char_star_noslashstar;\n"
+"c_style_comment_char_noslashstar\n"
+" new_line .or '\\x30'-'\\xFF' .or '\\x01'-'\\x29' .or '\\x2B'-'\\x2E';\n"
+"c_style_comment_end\n"
+" '*' .and .loop c_style_comment_char_star .and '/';\n"
+"c_style_comment_char_star\n"
+" '*';\n"
+"cpp_style_comment_block\n"
+" '/' .and '/' .and cpp_style_comment_block_1;\n"
+"cpp_style_comment_block_1\n"
+" cpp_style_comment_block_2 .or cpp_style_comment_block_3;\n"
+"cpp_style_comment_block_2\n"
+" .loop cpp_style_comment_char .and new_line_directive;\n"
+"cpp_style_comment_block_3\n"
+" .loop cpp_style_comment_char;\n"
+"cpp_style_comment_char\n"
+" '\\x0E'-'\\xFF' .or '\\x01'-'\\x09' .or '\\x0B'-'\\x0C';\n"
+"new_line_directive\n"
+" new_line .and optional_directive;\n"
+"new_line\n"
+" generic_new_line .emit '\\n';\n"
+"generic_new_line\n"
+" carriage_return_line_feed .or line_feed_carriage_return .or '\\n' .or '\\r';\n"
+"carriage_return_line_feed\n"
+" '\\r' .and '\\n';\n"
+"line_feed_carriage_return\n"
+" '\\n' .and '\\r';\n"
+"optional_directive\n"
+" directive .emit ESCAPE_TOKEN .or .true;\n"
+"directive\n"
+" dir_define .emit TOKEN_DEFINE .or\n"
+" dir_undef .emit TOKEN_UNDEF .or\n"
+" dir_if .emit TOKEN_IF .or\n"
+" dir_ifdef .emit TOKEN_IF .emit 'd' .emit 'e' .emit 'f' .emit 'i' .emit 'n' .emit 'e' .emit 'd'\n"
+" .emit ' ' .or\n"
+" dir_ifndef .emit TOKEN_IF .emit '!' .emit 'd' .emit 'e' .emit 'f' .emit 'i' .emit 'n' .emit 'e'\n"
+" .emit 'd' .emit ' ' .or\n"
+" dir_else .emit TOKEN_ELSE .or\n"
+" dir_elif .emit TOKEN_ELIF .or\n"
+" dir_endif .emit TOKEN_ENDIF .or\n"
+" dir_ext .emit TOKEN_EXTENSION .or\n"
+" dir_line .emit TOKEN_LINE;\n"
+"dir_define\n"
+" optional_space .and '#' .and optional_space .and \"define\" .and symbol .and opt_parameters .and\n"
+" definition;\n"
+"dir_undef\n"
+" optional_space .and '#' .and optional_space .and \"undef\" .and symbol;\n"
+"dir_if\n"
+" optional_space .and '#' .and optional_space .and \"if\" .and expression;\n"
+"dir_ifdef\n"
+" optional_space .and '#' .and optional_space .and \"ifdef\" .and symbol;\n"
+"dir_ifndef\n"
+" optional_space .and '#' .and optional_space .and \"ifndef\" .and symbol;\n"
+"dir_else\n"
+" optional_space .and '#' .and optional_space .and \"else\";\n"
+"dir_elif\n"
+" optional_space .and '#' .and optional_space .and \"elif\" .and expression;\n"
+"dir_endif\n"
+" optional_space .and '#' .and optional_space .and \"endif\";\n"
+"dir_ext\n"
+" optional_space .and '#' .and optional_space .and \"extension\" .and space .and extension_name .and\n"
+" optional_space .and ':' .and optional_space .and extension_behavior;\n"
+"dir_line\n"
+" optional_space .and '#' .and optional_space .and \"line\" .and expression;\n"
+"symbol\n"
+" space .and symbol_character .emit * .and .loop symbol_character2 .emit * .and .true .emit '\\0';\n"
+"opt_parameters\n"
+" parameters .or .true .emit PARAM_END;\n"
+"parameters\n"
+" '(' .and parameters_1 .and optional_space .and ')' .emit PARAM_END;\n"
+"parameters_1\n"
+" parameters_2 .or .true;\n"
+"parameters_2\n"
+" parameter .emit PARAM_PARAMETER .and .loop parameters_3;\n"
+"parameters_3\n"
+" optional_space .and ',' .and parameter .emit PARAM_PARAMETER;\n"
+"parameter\n"
+" optional_space .and symbol_character .emit * .and .loop symbol_character2 .emit * .and\n"
+" .true .emit '\\0';\n"
+"definition\n"
+" .loop definition_character .emit * .and .true .emit '\\0';\n"
+"definition_character\n"
+" '\\x0E'-'\\xFF' .or '\\x01'-'\\x09' .or '\\x0B'-'\\x0C';\n"
+"expression\n"
+" expression_element .and .loop expression_element .and .true .emit '\\0';\n"
+"expression_element\n"
+" expression_character .emit *;\n"
+"expression_character\n"
+" '\\x0E'-'\\xFF' .or '\\x01'-'\\x09' .or '\\x0B'-'\\x0C';\n"
+"extension_name\n"
+" symbol_character .emit * .and .loop symbol_character2 .emit * .and .true .emit '\\0';\n"
+"extension_behavior\n"
+" \"require\" .emit BEHAVIOR_REQUIRE .or\n"
+" \"enable\" .emit BEHAVIOR_ENABLE .or\n"
+" \"warn\" .emit BEHAVIOR_WARN .or\n"
+" \"disable\" .emit BEHAVIOR_DISABLE;\n"
+"optional_space\n"
+" .loop single_space;\n"
+"space\n"
+" single_space .and .loop single_space;\n"
+"single_space\n"
+" ' ' .or '\\t';\n"
+"source_token\n"
+" space .emit ' ' .or complex_token .or source_token_1;\n"
+"source_token_1\n"
+" simple_token .emit ' ' .and .true .emit ' ';\n"
+"complex_token\n"
+" identifier .or number;\n"
+"simple_token\n"
+" increment .or decrement .or lequal .or gequal .or equal .or nequal .or and .or xor .or or .or\n"
+" addto .or subtractfrom .or multiplyto .or divideto .or other;\n"
+"identifier\n"
+" identifier_char1 .emit * .and .loop identifier_char2 .emit *;\n"
+"identifier_char1\n"
+" 'a'-'z' .or 'A'-'Z' .or '_';\n"
+"identifier_char2\n"
+" 'a'-'z' .or 'A'-'Z' .or '0'-'9' .or '_';\n"
+"number\n"
+" float .or integer;\n"
+"digit_oct\n"
+" '0'-'7';\n"
+"digit_dec\n"
+" '0'-'9';\n"
+"digit_hex\n"
+" '0'-'9' .or 'A'-'F' .or 'a'-'f';\n"
+"float\n"
+" float_1 .or float_2;\n"
+"float_1\n"
+" float_fractional_constant .and float_optional_exponent_part;\n"
+"float_2\n"
+" float_digit_sequence .and float_exponent_part;\n"
+"float_fractional_constant\n"
+" float_fractional_constant_1 .or float_fractional_constant_2 .or float_fractional_constant_3;\n"
+"float_fractional_constant_1\n"
+" float_digit_sequence .and '.' .emit '.' .and float_digit_sequence;\n"
+"float_fractional_constant_2\n"
+" float_digit_sequence .and '.' .emit '.';\n"
+"float_fractional_constant_3\n"
+" '.' .emit '.' .and float_digit_sequence;\n"
+"float_optional_exponent_part\n"
+" float_exponent_part .or .true;\n"
+"float_digit_sequence\n"
+" digit_dec .emit * .and .loop digit_dec .emit *;\n"
+"float_exponent_part\n"
+" float_exponent_part_1 .or float_exponent_part_2;\n"
+"float_exponent_part_1\n"
+" 'e' .emit 'e' .and float_optional_sign .and float_digit_sequence;\n"
+"float_exponent_part_2\n"
+" 'E' .emit 'E' .and float_optional_sign .and float_digit_sequence;\n"
+"float_optional_sign\n"
+" '+' .emit '+' .or '-' .emit '-' .or .true;\n"
+"integer\n"
+" integer_hex .or integer_oct .or integer_dec;\n"
+"integer_hex\n"
+" '0' .emit '0' .and integer_hex_1 .emit * .and digit_hex .emit * .and\n"
+" .loop digit_hex .emit *;\n"
+"integer_hex_1\n"
+" 'x' .or 'X';\n"
+"integer_oct\n"
+" '0' .emit '0' .and .loop digit_oct .emit *;\n"
+"integer_dec\n"
+" digit_dec .emit * .and .loop digit_dec .emit *;\n"
+"increment\n"
+" '+' .emit * .and '+' .emit *;\n"
+"decrement\n"
+" '-' .emit * .and '-' .emit *;\n"
+"lequal\n"
+" '<' .emit * .and '=' .emit *;\n"
+"gequal\n"
+" '>' .emit * .and '=' .emit *;\n"
+"equal\n"
+" '=' .emit * .and '=' .emit *;\n"
+"nequal\n"
+" '!' .emit * .and '=' .emit *;\n"
+"and\n"
+" '&' .emit * .and '&' .emit *;\n"
+"xor\n"
+" '^' .emit * .and '^' .emit *;\n"
+"or\n"
+" '|' .emit * .and '|' .emit *;\n"
+"addto\n"
+" '+' .emit * .and '=' .emit *;\n"
+"subtractfrom\n"
+" '-' .emit * .and '=' .emit *;\n"
+"multiplyto\n"
+" '*' .emit * .and '=' .emit *;\n"
+"divideto\n"
+" '/' .emit * .and '=' .emit *;\n"
+"other\n"
+" '\\x24'-'\\xFF' .emit * .or '\\x01'-'\\x22' .emit *;\n"
+"symbol_character\n"
+" 'A'-'Z' .or 'a'-'z' .or '_';\n"
+"symbol_character2\n"
+" 'A'-'Z' .or 'a'-'z' .or '0'-'9' .or '_';\n"
+".string string_lexer;\n"
+"string_lexer\n"
+" lex_first_identifier_character .and .loop lex_next_identifier_character;\n"
+"lex_first_identifier_character\n"
+" 'a'-'z' .or 'A'-'Z' .or '_';\n"
+"lex_next_identifier_character\n"
+" 'a'-'z' .or 'A'-'Z' .or '0'-'9' .or '_';\n"
+""
diff --git a/src/mesa/shader/slang/library/slang_pp_expression_syn.h b/src/mesa/shader/slang/library/slang_pp_expression_syn.h
new file mode 100644
index 00000000000..f3e9ef6b229
--- /dev/null
+++ b/src/mesa/shader/slang/library/slang_pp_expression_syn.h
@@ -0,0 +1,179 @@
+
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE .syn FILE */
+
+".syntax expression;\n"
+".emtcode EXP_END 0\n"
+".emtcode EXP_EXPRESSION 1\n"
+".emtcode OP_END 0\n"
+".emtcode OP_PUSHINT 1\n"
+".emtcode OP_LOGICALOR 2\n"
+".emtcode OP_LOGICALAND 3\n"
+".emtcode OP_OR 4\n"
+".emtcode OP_XOR 5\n"
+".emtcode OP_AND 6\n"
+".emtcode OP_EQUAL 7\n"
+".emtcode OP_NOTEQUAL 8\n"
+".emtcode OP_LESSEQUAL 9\n"
+".emtcode OP_GREATEREQUAL 10\n"
+".emtcode OP_LESS 11\n"
+".emtcode OP_GREATER 12\n"
+".emtcode OP_LEFTSHIFT 13\n"
+".emtcode OP_RIGHTSHIFT 14\n"
+".emtcode OP_ADD 15\n"
+".emtcode OP_SUBTRACT 16\n"
+".emtcode OP_MULTIPLY 17\n"
+".emtcode OP_DIVIDE 18\n"
+".emtcode OP_MODULUS 19\n"
+".emtcode OP_PLUS 20\n"
+".emtcode OP_MINUS 21\n"
+".emtcode OP_NEGATE 22\n"
+".emtcode OP_COMPLEMENT 23\n"
+"expression\n"
+" first_expression .and optional_second_expression .and optional_space .and '\\0' .emit EXP_END;\n"
+"first_expression\n"
+" optional_space .and logical_or_expression .emit EXP_EXPRESSION .and .true .emit OP_END;\n"
+"optional_second_expression\n"
+" second_expression .or .true;\n"
+"second_expression\n"
+" space .and logical_or_expression .emit EXP_EXPRESSION .and .true .emit OP_END;\n"
+"logical_or_expression\n"
+" logical_and_expression .and .loop logical_or_expression_1;\n"
+"logical_or_expression_1\n"
+" barbar .and logical_and_expression .and .true .emit OP_LOGICALOR;\n"
+"logical_and_expression\n"
+" or_expression .and .loop logical_and_expression_1;\n"
+"logical_and_expression_1\n"
+" ampersandampersand .and or_expression .and .true .emit OP_LOGICALAND;\n"
+"or_expression\n"
+" xor_expression .and .loop or_expression_1;\n"
+"or_expression_1\n"
+" bar .and xor_expression .and .true .emit OP_OR;\n"
+"xor_expression\n"
+" and_expression .and .loop xor_expression_1;\n"
+"xor_expression_1\n"
+" caret .and and_expression .and .true .emit OP_XOR;\n"
+"and_expression\n"
+" equality_expression .and .loop and_expression_1;\n"
+"and_expression_1\n"
+" ampersand .and equality_expression .and .true .emit OP_AND;\n"
+"equality_expression\n"
+" relational_expression .and .loop equality_expression_1;\n"
+"equality_expression_1\n"
+" equality_expression_2 .or equality_expression_3;\n"
+"equality_expression_2\n"
+" equalsequals .and relational_expression .and .true .emit OP_EQUAL;\n"
+"equality_expression_3\n"
+" bangequals .and relational_expression .and .true .emit OP_NOTEQUAL;\n"
+"relational_expression\n"
+" shift_expression .and .loop relational_expression_1;\n"
+"relational_expression_1\n"
+" relational_expression_2 .or relational_expression_3 .or relational_expression_4 .or\n"
+" relational_expression_5;\n"
+"relational_expression_2\n"
+" lessequals .and shift_expression .and .true .emit OP_LESSEQUAL;\n"
+"relational_expression_3\n"
+" greaterequals .and shift_expression .and .true .emit OP_GREATEREQUAL;\n"
+"relational_expression_4\n"
+" less .and shift_expression .and .true .emit OP_LESS;\n"
+"relational_expression_5\n"
+" greater .and shift_expression .and .true .emit OP_GREATER;\n"
+"shift_expression\n"
+" additive_expression .and .loop shift_expression_1;\n"
+"shift_expression_1\n"
+" shift_expression_2 .or shift_expression_3;\n"
+"shift_expression_2\n"
+" lessless .and additive_expression .and .true .emit OP_LEFTSHIFT;\n"
+"shift_expression_3\n"
+" greatergreater .and additive_expression .and .true .emit OP_RIGHTSHIFT;\n"
+"additive_expression\n"
+" multiplicative_expression .and .loop additive_expression_1;\n"
+"additive_expression_1\n"
+" additive_expression_2 .or additive_expression_3;\n"
+"additive_expression_2\n"
+" plus .and multiplicative_expression .and .true .emit OP_ADD;\n"
+"additive_expression_3\n"
+" dash .and multiplicative_expression .and .true .emit OP_SUBTRACT;\n"
+"multiplicative_expression\n"
+" unary_expression .and .loop multiplicative_expression_1;\n"
+"multiplicative_expression_1\n"
+" multiplicative_expression_2 .or multiplicative_expression_3 .or multiplicative_expression_4;\n"
+"multiplicative_expression_2\n"
+" star .and unary_expression .and .true .emit OP_MULTIPLY;\n"
+"multiplicative_expression_3\n"
+" slash .and unary_expression .and .true .emit OP_DIVIDE;\n"
+"multiplicative_expression_4\n"
+" percent .and unary_expression .and .true .emit OP_MODULUS;\n"
+"unary_expression\n"
+" primary_expression .or unary_expression_1 .or unary_expression_2 .or unary_expression_3 .or\n"
+" unary_expression_4;\n"
+"unary_expression_1\n"
+" plus .and unary_expression .and .true .emit OP_PLUS;\n"
+"unary_expression_2\n"
+" dash .and unary_expression .and .true .emit OP_MINUS;\n"
+"unary_expression_3\n"
+" bang .and unary_expression .and .true .emit OP_NEGATE;\n"
+"unary_expression_4\n"
+" tilda .and unary_expression .and .true .emit OP_COMPLEMENT;\n"
+"primary_expression\n"
+" intconstant .or primary_expression_1;\n"
+"primary_expression_1\n"
+" lparen .and logical_or_expression .and rparen;\n"
+"intconstant\n"
+" integer .emit OP_PUSHINT;\n"
+"integer\n"
+" integer_dec;\n"
+"integer_dec\n"
+" digit_dec .emit 10 .emit * .and .loop digit_dec .emit * .and .true .emit '\\0';\n"
+"digit_dec\n"
+" '0'-'9';\n"
+"optional_space\n"
+" .loop single_space;\n"
+"space\n"
+" single_space .and .loop single_space;\n"
+"single_space\n"
+" ' ' .or '\\t';\n"
+"ampersand\n"
+" optional_space .and '&' .and optional_space;\n"
+"ampersandampersand\n"
+" optional_space .and '&' .and '&' .and optional_space;\n"
+"bang\n"
+" optional_space .and '!' .and optional_space;\n"
+"bangequals\n"
+" optional_space .and '!' .and '=' .and optional_space;\n"
+"bar\n"
+" optional_space .and '|' .and optional_space;\n"
+"barbar\n"
+" optional_space .and '|' .and '|' .and optional_space;\n"
+"caret\n"
+" optional_space .and '^' .and optional_space;\n"
+"dash\n"
+" optional_space .and '-' .and optional_space;\n"
+"equalsequals\n"
+" optional_space .and '=' .and '=' .and optional_space;\n"
+"greater\n"
+" optional_space .and '>' .and optional_space;\n"
+"greaterequals\n"
+" optional_space .and '>' .and '=' .and optional_space;\n"
+"greatergreater\n"
+" optional_space .and '>' .and '>' .and optional_space;\n"
+"less\n"
+" optional_space .and '<' .and optional_space;\n"
+"lessequals\n"
+" optional_space .and '<' .and '=' .and optional_space;\n"
+"lessless\n"
+" optional_space .and '<' .and '<' .and optional_space;\n"
+"lparen\n"
+" optional_space .and '(' .and optional_space;\n"
+"percent\n"
+" optional_space .and '%' .and optional_space;\n"
+"plus\n"
+" optional_space .and '+' .and optional_space;\n"
+"rparen\n"
+" optional_space .and ')' .and optional_space;\n"
+"slash\n"
+" optional_space .and '/' .and optional_space;\n"
+"star\n"
+" optional_space .and '*' .and optional_space;\n"
+"tilda\n"
+" optional_space .and '~' .and optional_space;\n"
+""
diff --git a/src/mesa/shader/slang/library/slang_shader_syn.h b/src/mesa/shader/slang/library/slang_shader_syn.h
index f08c329303c..ad89472ba3b 100644
--- a/src/mesa/shader/slang/library/slang_shader_syn.h
+++ b/src/mesa/shader/slang/library/slang_shader_syn.h
@@ -1,3 +1,6 @@
+
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE .syn FILE */
+
 ".syntax translation_unit;\n"
 ".emtcode REVISION 3\n"
 ".emtcode EXTERNAL_NULL 0\n"