Method ValidateFlags

layers/stateless/sl_utils.cpp:387–418

}

bool Context::ValidateFlags(const Location& loc, vvl::FlagBitmask flag_bitmask, VkFlags all_flags, VkFlags value,
                            const FlagType flag_type, const char* vuid, const char* flags_zero_vuid, bool instance_function) const {
    bool skip = false;
    skip |= ValidateFlagsImplementation<VkFlags>(loc, flag_bitmask, all_flags, value, flag_type, vuid, flags_zero_vuid);

    if (ignore_unknown_enums) {
        return skip;
    }

    if ((value & ~all_flags) != 0) {
        skip |=
            log.LogError(vuid, error_obj.handle, loc, "contains flag bits (0x%" PRIx32 ") which are not recognized members of %s.",
                         value, String(flag_bitmask));
    }

    if (!skip && value != 0) {
        vvl::Extensions required = IsValidFlagValue(flag_bitmask, value, instance_function);
        if (!required.empty()) {
            // From https://gitlab.khronos.org/vulkan/vulkan/-/issues/4586
            // Swapchain is only place we have |imageUsage| and it is easy to blindly map it to the supported queried flags
            // This is a quick fix, without adding yet another ValidateFlags overload, to give better info around WSI
            const bool image_usage_hint = loc.field == Field::imageUsage;
            skip |=
                log.LogError(vuid, error_obj.handle, loc, "has %s values (%s) that requires the extensions %s.%s",
                             String(flag_bitmask), DescribeFlagBitmaskValue(flag_bitmask, value).c_str(), String(required).c_str(),
                             image_usage_hint ? "\nHint: Make sure to filter the supportedUsageFlags from "
                                                "vkGetPhysicalDeviceSurfaceCapabilitiesKHR to only use what is desired."
                                              : "");
        }
    }
    return skip;
}

bool Context::ValidateFlags(const Location& loc, vvl::FlagBitmask flag_bitmask, VkFlags64 all_flags, VkFlags64 value,
                            const FlagType flag_type, const char* vuid, const char* flags_zero_vuid, bool instance_function) const {