From: Paul Berry <stereotype...@gmail.com>

Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
---
 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 f021c73..f62cbe4 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
 ;
 
@@ -1962,6 +1965,11 @@ 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__");
@@ -1970,15 +1978,20 @@ _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 : "");
 }
-- 
1.7.11.7

_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev

Reply via email to