#define SL_PP_MAX_PREDEFINED 16
-enum sl_pp_extension_state {
- SL_PP_EXTENSION_STATE_ENABLED,
- SL_PP_EXTENSION_STATE_DISABLED,
- SL_PP_EXTENSION_STATE_WARN,
- SL_PP_EXTENSION_STATE_REQUIRE
-};
-
struct sl_pp_extension {
int name; /*< GL_VENDOR_extension_name */
- enum sl_pp_extension_state state;
};
struct sl_pp_predefined {
return -1;
}
- ext.state = SL_PP_EXTENSION_STATE_DISABLED;
-
context->extensions[context->num_extensions++] = ext;
assert(context->num_extensions <= sizeof(context->extensions));
}
-enum sl_pp_extension_state
-sl_pp_get_extension_state(const struct sl_pp_context *context,
- int extension_name)
-{
- unsigned i;
-
- for (i = 0; i < context->num_extensions; i++) {
- if (extension_name == context->extensions[i].name) {
- return context->extensions[i].state;
- }
- }
-
- assert(0 && "unknown extension");
- return SL_PP_EXTENSION_STATE_DISABLED;
-}
-
-
/**
* Process a "#extension name: behavior" directive.
*/
int extension_name = -1;
int behavior = -1;
struct sl_pp_token_info out;
- struct sl_pp_extension *extension = NULL;
/* Grab the extension name. */
if (first < last && input[first].token == SL_PP_IDENTIFIER) {
for (i = 0; i < context->num_extensions; i++) {
if (extension_name == context->extensions[i].name) {
out.data.extension = extension_name;
- extension = &context->extensions[i];
break;
}
}
return -1;
}
out.token = SL_PP_EXTENSION_REQUIRE;
-
- if (extension_name != context->dict.all) {
- assert(extension);
- extension->state = SL_PP_EXTENSION_STATE_REQUIRE;
- }
} else if (behavior == context->dict.enable) {
if (out.data.extension == -1) {
/* Warning: the extension cannot be enabled. */
return -1;
}
out.token = SL_PP_EXTENSION_ENABLE;
-
- if (extension_name != context->dict.all) {
- assert(extension);
- extension->state = SL_PP_EXTENSION_STATE_ENABLED;
- }
} else if (behavior == context->dict.warn) {
if (out.data.extension == -1) {
/* Warning: the extension is not supported. */
return 0;
}
out.token = SL_PP_EXTENSION_WARN;
-
- if (extension_name != context->dict.all) {
- assert(extension);
- extension->state = SL_PP_EXTENSION_STATE_WARN;
- }
} else if (behavior == context->dict.disable) {
if (out.data.extension == -1) {
/* Warning: the extension is not supported. */
return 0;
}
out.token = SL_PP_EXTENSION_DISABLE;
-
- if (extension_name != context->dict.all) {
- assert(extension);
- extension->state = SL_PP_EXTENSION_STATE_DISABLED;
- }
} else {
strcpy(context->error_msg, "unrecognised behavior name");
return -1;