+
+
+/**
+ * Return number of enabled extensions.
+ */
+GLuint
+_mesa_get_extension_count(GLcontext *ctx)
+{
+ GLuint i;
+
+ /* only count once */
+ if (!ctx->Extensions.Count) {
+ for (i = 0; i < Elements(default_extensions); i++) {
+ if (extension_enabled(ctx, i)) {
+ ctx->Extensions.Count++;
+ }
+ }
+ }
+
+ if (0)
+ _mesa_debug(ctx, "%u of %d extensions enabled\n", ctx->Extensions.Count,
+ Elements(default_extensions));
+
+ return ctx->Extensions.Count;
+}
+
+
+/**
+ * Return name of i-th enabled extension
+ */
+const GLubyte *
+_mesa_get_enabled_extension(GLcontext *ctx, GLuint index)
+{
+ GLuint i;
+
+ for (i = 0; i < Elements(default_extensions); i++) {
+ if (extension_enabled(ctx, i)) {
+ if (index == 0)
+ return (const GLubyte *) default_extensions[i].name;
+ index--;
+ }
+ }
+
+ return NULL;
+}