From a03c2c7ab958f024eb77d986285ae294ad459706 Mon Sep 17 00:00:00 2001 From: Paul Berry Date: Thu, 2 Aug 2012 13:21:54 -0700 Subject: glsl/preprocessor: Handle "#version 300 es" directive. Reviewed-by: Ian Romanick Reviewed-by: Kenneth Graunke Acked-by: Carl Worth --- src/glsl/glcpp/glcpp-parse.y | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index 00f907b299a..380a1d99cb4 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -340,6 +340,9 @@ control_line: | HASH_VERSION integer_constant NEWLINE { _glcpp_parser_handle_version_declaration(parser, $2, NULL); } +| HASH_VERSION integer_constant IDENTIFIER NEWLINE { + _glcpp_parser_handle_version_declaration(parser, $2, $3); + } | HASH NEWLINE ; @@ -2023,6 +2026,11 @@ static void _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t version, const char *es_identifier) { + /* Note: We assume that if any identifier is present, it means ES. + * The GLSL parser will double-check that the identifier is correct. + */ + bool is_es = es_identifier != NULL; + macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); if (macro) { hash_table_remove (parser->defines, "__VERSION__"); @@ -2031,15 +2039,20 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio add_builtin_define (parser, "__VERSION__", version); if (version == 100) + is_es = true; + if (is_es) add_builtin_define (parser, "GL_ES", 1); - /* Currently, all ES2 implementations support highp in the - * fragment shader, so we always define this macro in ES2. + /* Currently, all ES2/ES3 implementations support highp in the + * fragment shader, so we always define this macro in ES2/ES3. * If we ever get a driver that doesn't support highp, we'll * need to add a flag to the gl_context and check that here. */ - if (version >= 130 || version == 100) + if (version >= 130 || is_es) add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1); - ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, "#version %" PRIiMAX, version); + ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, + "#version %" PRIiMAX "%s%s", version, + es_identifier ? " " : "", + es_identifier ? es_identifier : ""); } -- cgit v1.2.3