+ struct sl_pp_purify_options options;
+ struct sl_pp_context *context;
+ unsigned char *prod;
+ GLuint size;
+ unsigned int version;
+ unsigned int maxVersion;
+ int result;
+ char errmsg[200] = "";
+ unsigned int errline = 0;
+
+ memset(&options, 0, sizeof(options));
+
+ context = sl_pp_context_create(source, &options);
+ if (!context) {
+ slang_info_log_error(infolog, "out of memory");
+ return GL_FALSE;
+ }
+
+ if (sl_pp_version(context, &version)) {
+ slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context));
+ sl_pp_context_destroy(context);
+ return GL_FALSE;
+ }
+
+ if (sl_pp_context_add_extension(context, "ARB_draw_buffers", "GL_ARB_draw_buffers") ||
+ sl_pp_context_add_extension(context, "ARB_texture_rectangle", "GL_ARB_texture_rectangle")) {
+ slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context));
+ sl_pp_context_destroy(context);
+ return GL_FALSE;
+ }
+
+#if FEATURE_es2_glsl
+ if (sl_pp_context_add_predefined(context, "GL_ES", "1") ||
+ sl_pp_context_add_predefined(context, "GL_FRAGMENT_PRECISION_HIGH", "1")) {
+ slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context));
+ sl_pp_context_destroy(context);
+ return GL_FALSE;
+ }
+#endif