static bool
parse_bool(const int32_t attrib_list[],
int32_t attrib_name,
bool *value,
bool default_value)
{
int32_t raw_value;
wcore_attrib_list_get_with_default(attrib_list, attrib_name,
&raw_value, default_value);
if (raw_value == WAFFLE_DONT_CARE) {
*value = default_value;
} else if (raw_value == true || raw_value == false) {
*value = raw_value;
} else {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"%s has bad value 0x%x. "
"Must be true(1), false(0), or WAFFLE_DONT_CARE(-1)",
wcore_enum_to_string(attrib_name), raw_value);
return false;
}
return true;
}
WAFFLE_API bool
waffle_attrib_list_get_with_default(
const int32_t attrib_list[],
int32_t key,
int32_t *value,
int32_t default_value)
{
wcore_error_reset();
return wcore_attrib_list_get_with_default(attrib_list, key, value,
default_value);
}
static bool
parse_context_profile(struct wcore_config_attrs *attrs,
const int32_t attrib_list[])
{
wcore_attrib_list_get_with_default(attrib_list,
WAFFLE_CONTEXT_PROFILE,
&attrs->context_profile,
attrs->context_profile);
switch (attrs->context_api) {
case WAFFLE_CONTEXT_OPENGL:
if (attrs->context_full_version >= 32
&& attrs->context_profile != WAFFLE_CONTEXT_CORE_PROFILE
&& attrs->context_profile != WAFFLE_CONTEXT_COMPATIBILITY_PROFILE) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"for OpenGL >= 3.2,"
"WAFFLE_CONTEXT_PROFILE must be either "
"WAFFLE_CONTEXT_CORE_PROFILE or "
"WAFFLE_CONTEXT_COMPATIBILITY_PROFILE");
return false;
}
else if (attrs->context_full_version < 32
&& attrs->context_profile != WAFFLE_NONE) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"for OpenGL < 3.2, WAFFLE_CONTEXT_PROFILE must be "
"WAFFLE_NONE");
return false;
}
break;
case WAFFLE_CONTEXT_OPENGL_ES1:
case WAFFLE_CONTEXT_OPENGL_ES2:
case WAFFLE_CONTEXT_OPENGL_ES3:
if (attrs->context_profile != WAFFLE_NONE) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"for OpenGL ES, WAFFLE_CONTEXT_PROFILE must be "
"WAFFLE_NONE");
return false;
}
break;
default:
assert(false);
return false;
}
return true;
}
static bool
parse_context_version(struct wcore_config_attrs *attrs,
const int32_t attrib_list[])
{
wcore_attrib_list_get_with_default(attrib_list,
WAFFLE_CONTEXT_MAJOR_VERSION,
&attrs->context_major_version,
attrs->context_major_version);
wcore_attrib_list_get_with_default(attrib_list,
WAFFLE_CONTEXT_MINOR_VERSION,
&attrs->context_minor_version,
attrs->context_minor_version);
if (attrs->context_major_version < 1) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"WAFFLE_CONTEXT_MAJOR_VERSION must be >= 1");
return false;
}
if (attrs->context_minor_version < 0) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"WAFFLE_CONTEXT_MINOR_VERSION must be >= 0");
return false;
}
attrs->context_full_version =
10 * attrs->context_major_version
+ attrs->context_minor_version;
switch (attrs->context_api) {
case WAFFLE_CONTEXT_OPENGL:
if (attrs->context_full_version < 10) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"for OpenGL, the requested context version "
"must be >= 1.0");
return false;
}
break;
case WAFFLE_CONTEXT_OPENGL_ES1:
if (attrs->context_full_version != 10 &&
attrs->context_full_version != 11) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"for OpenGL ES1, the requested context version "
"must be 1.0 or 1.1");
return false;
}
break;
case WAFFLE_CONTEXT_OPENGL_ES2:
if (attrs->context_major_version != 2) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"for OpenGL ES2, the requested major context "
"version must be 2");
return false;
}
break;
case WAFFLE_CONTEXT_OPENGL_ES3:
if (attrs->context_major_version != 3) {
wcore_errorf(WAFFLE_ERROR_BAD_ATTRIBUTE,
"for OpenGL ES3, the requested major context "
"version must be 3");
return false;
}
break;
default:
wcore_error_internal("attrs->context_api has bad value 0x%x",
attrs->context_api);
return false;
}
return true;
}
