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/* Copyright (c) 2015-2016 The Khronos Group Inc.
* Copyright (c) 2015-2016 Valve Corporation
* Copyright (c) 2015-2016 LunarG, Inc.
* Copyright (C) 2015-2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Dustin Graves <dustin@lunarg.com>
*/
#ifndef PARAMETER_VALIDATION_UTILS_H
#define PARAMETER_VALIDATION_UTILS_H
#include <algorithm>
#include <cstdlib>
#include <string>
#include "vulkan/vulkan.h"
#include "vk_enum_string_helper.h"
#include "vk_layer_logging.h"
namespace {
struct GenericHeader {
VkStructureType sType;
const void *pNext;
};
}
// Layer name string to be logged with validation messages.
const char ParameterValidationName[] = "ParameterValidation";
// String returned by string_VkStructureType for an unrecognized type.
const std::string UnsupportedStructureTypeString = "Unhandled VkStructureType";
// String returned by string_VkResult for an unrecognized type.
const std::string UnsupportedResultString = "Unhandled VkResult";
// The base value used when computing the offset for an enumeration token value that is added by an extension.
// When validating enumeration tokens, any value >= to this value is considered to be provided by an extension.
// See Appendix C.10 "Assigning Extension Token Values" from the Vulkan specification
const uint32_t ExtEnumBaseValue = 1000000000;
template <typename T> bool is_extension_added_token(T value) {
return (std::abs(static_cast<int32_t>(value)) >= ExtEnumBaseValue);
}
// VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE token is a special case that was converted from a core token to an
// extension added token. Its original value was intentionally preserved after the conversion, so it does not use
// the base value that other extension added tokens use, and it does not fall within the enum's begin/end range.
template <> bool is_extension_added_token(VkSamplerAddressMode value) {
bool result = (std::abs(static_cast<int32_t>(value)) >= ExtEnumBaseValue);
return (result || (value == VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE));
}
/**
* Validate a required pointer.
*
* Verify that a required pointer is not NULL.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param parameterName Name of parameter being validated.
* @param value Pointer to validate.
* @return Boolean value indicating that the call should be skipped.
*/
static bool validate_required_pointer(debug_report_data *report_data, const char *apiName, const char *parameterName,
const void *value) {
bool skipCall = false;
if (value == NULL) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s specified as NULL", apiName, parameterName);
}
return skipCall;
}
/**
* Validate pointer to array count and pointer to array.
*
* Verify that required count and array parameters are not NULL. If count
* is not NULL and its value is not optional, verify that it is not 0. If the
* array parameter is NULL, and it is not optional, verify that count is 0.
* The array parameter will typically be optional for this case (where count is
* a pointer), allowing the caller to retrieve the available count.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param countName Name of count parameter.
* @param arrayName Name of array parameter.
* @param count Pointer to the number of elements in the array.
* @param array Array to validate.
* @param countPtrRequired The 'count' parameter may not be NULL when true.
* @param countValueRequired The '*count' value may not be 0 when true.
* @param arrayRequired The 'array' parameter may not be NULL when true.
* @return Boolean value indicating that the call should be skipped.
*/
template <typename T>
bool validate_array(debug_report_data *report_data, const char *apiName, const char *countName, const char *arrayName,
const T *count, const void *array, bool countPtrRequired, bool countValueRequired, bool arrayRequired) {
bool skipCall = false;
if (count == NULL) {
if (countPtrRequired) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s specified as NULL", apiName, countName);
}
} else {
skipCall |= validate_array(report_data, apiName, countName, arrayName, (*count), array, countValueRequired, arrayRequired);
}
return skipCall;
}
/**
* Validate array count and pointer to array.
*
* Verify that required count and array parameters are not 0 or NULL. If the
* count parameter is not optional, verify that it is not 0. If the array
* parameter is NULL, and it is not optional, verify that count is 0.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param countName Name of count parameter.
* @param arrayName Name of array parameter.
* @param count Number of elements in the array.
* @param array Array to validate.
* @param countRequired The 'count' parameter may not be 0 when true.
* @param arrayRequired The 'array' parameter may not be NULL when true.
* @return Boolean value indicating that the call should be skipped.
*/
template <typename T>
bool validate_array(debug_report_data *report_data, const char *apiName, const char *countName, const char *arrayName, T count,
const void *array, bool countRequired, bool arrayRequired) {
bool skipCall = false;
// Count parameters not tagged as optional cannot be 0
if ((count == 0) && countRequired) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: value of %s must be greater than 0", apiName, countName);
}
// Array parameters not tagged as optional cannot be NULL,
// unless the count is 0
if ((array == NULL) && arrayRequired && (count != 0)) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s specified as NULL", apiName, arrayName);
}
return skipCall;
}
/**
* Validate an Vulkan structure type.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param parameterName Name of struct parameter being validated.
* @param sTypeName Name of expected VkStructureType value.
* @param value Pointer to the struct to validate.
* @param sType VkStructureType for structure validation.
* @param required The parameter may not be NULL when true.
* @return Boolean value indicating that the call should be skipped.
*/
template <typename T>
bool validate_struct_type(debug_report_data *report_data, const char *apiName, const char *parameterName, const char *sTypeName,
const T *value, VkStructureType sType, bool required) {
bool skipCall = false;
if (value == NULL) {
if (required) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s specified as NULL", apiName, parameterName);
}
} else if (value->sType != sType) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: parameter %s->sType must be %s", apiName, parameterName, sTypeName);
}
return skipCall;
}
/**
* Validate an array of Vulkan structures.
*
* Verify that required count and array parameters are not NULL. If count
* is not NULL and its value is not optional, verify that it is not 0.
* If the array contains 1 or more structures, verify that each structure's
* sType field is set to the correct VkStructureType value.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param countName Name of count parameter.
* @param arrayName Name of array parameter.
* @param sTypeName Name of expected VkStructureType value.
* @param count Pointer to the number of elements in the array.
* @param array Array to validate.
* @param sType VkStructureType for structure validation.
* @param countPtrRequired The 'count' parameter may not be NULL when true.
* @param countValueRequired The '*count' value may not be 0 when true.
* @param arrayRequired The 'array' parameter may not be NULL when true.
* @return Boolean value indicating that the call should be skipped.
*/
template <typename T>
bool validate_struct_type_array(debug_report_data *report_data, const char *apiName, const char *countName, const char *arrayName,
const char *sTypeName, const uint32_t *count, const T *array, VkStructureType sType,
bool countPtrRequired, bool countValueRequired, bool arrayRequired) {
bool skipCall = false;
if (count == NULL) {
if (countPtrRequired) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s specified as NULL", apiName, countName);
}
} else {
skipCall |= validate_struct_type_array(report_data, apiName, countName, arrayName, sTypeName, (*count), array, sType,
countValueRequired, arrayRequired);
}
return skipCall;
}
/**
* Validate an array of Vulkan structures
*
* Verify that required count and array parameters are not 0 or NULL. If
* the array contains 1 or more structures, verify that each structure's
* sType field is set to the correct VkStructureType value.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param countName Name of count parameter.
* @param arrayName Name of array parameter.
* @param sTypeName Name of expected VkStructureType value.
* @param count Number of elements in the array.
* @param array Array to validate.
* @param sType VkStructureType for structure validation.
* @param countRequired The 'count' parameter may not be 0 when true.
* @param arrayRequired The 'array' parameter may not be NULL when true.
* @return Boolean value indicating that the call should be skipped.
*/
template <typename T>
bool validate_struct_type_array(debug_report_data *report_data, const char *apiName, const char *countName, const char *arrayName,
const char *sTypeName, uint32_t count, const T *array, VkStructureType sType, bool countRequired,
bool arrayRequired) {
bool skipCall = false;
if ((count == 0) || (array == NULL)) {
// Count parameters not tagged as optional cannot be 0
if ((count == 0) && countRequired) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: parameter %s must be greater than 0", apiName, countName);
}
// Array parameters not tagged as optional cannot be NULL,
// unless the count is 0
if ((array == NULL) && arrayRequired && (count != 0)) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s specified as NULL", apiName, arrayName);
}
} else {
// Verify that all structs in the array have the correct type
for (uint32_t i = 0; i < count; ++i) {
if (array[i].sType != sType) {
skipCall |=
log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: parameter %s[%d].sType must be %s", apiName, arrayName, i, sTypeName);
}
}
}
return skipCall;
}
/**
* Validate string array count and content.
*
* Verify that required count and array parameters are not 0 or NULL. If the
* count parameter is not optional, verify that it is not 0. If the array
* parameter is NULL, and it is not optional, verify that count is 0. If the
* array parameter is not NULL, verify that none of the strings are NULL.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param countName Name of count parameter.
* @param arrayName Name of array parameter.
* @param count Number of strings in the array.
* @param array Array of strings to validate.
* @param countRequired The 'count' parameter may not be 0 when true.
* @param arrayRequired The 'array' parameter may not be NULL when true.
* @return Boolean value indicating that the call should be skipped.
*/
static bool validate_string_array(debug_report_data *report_data, const char *apiName, const char *countName, const char *arrayName,
uint32_t count, const char *const *array, bool countRequired, bool arrayRequired) {
bool skipCall = false;
if ((count == 0) || (array == NULL)) {
// Count parameters not tagged as optional cannot be 0
if ((count == 0) && countRequired) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: parameter %s must be greater than 0", apiName, countName);
}
// Array parameters not tagged as optional cannot be NULL,
// unless the count is 0
if ((array == NULL) && arrayRequired && (count != 0)) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s specified as NULL", apiName, arrayName);
}
} else {
// Verify that strings in the array not NULL
for (uint32_t i = 0; i < count; ++i) {
if (array[i] == NULL) {
skipCall |=
log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: required parameter %s[%d] specified as NULL", apiName, arrayName, i);
}
}
}
return skipCall;
}
/**
* Validate a structure's pNext member.
*
* Verify that the specified pNext value points to the head of a list of
* allowed extension structures. If no extension structures are allowed,
* verify that pNext is null.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param parameterName Name of parameter being validated.
* @param allowedStructNames Names of allowed structs.
* @param next Pointer to validate.
* @param allowedTypeCount total number of allowed structure types.
* @param allowedTypes array of strcuture types allowed for pNext.
* @return Boolean value indicating that the call should be skipped.
*/
static bool validate_struct_pnext(debug_report_data *report_data, const char *apiName, const char *parameterName,
const char *allowedStructNames, const void *next, size_t allowedTypeCount,
const VkStructureType *allowedTypes) {
bool skipCall = false;
if (next != NULL) {
if (allowedTypeCount == 0) {
skipCall |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: value of %s must be NULL", apiName, parameterName);
} else {
const VkStructureType *start = allowedTypes;
const VkStructureType *end = allowedTypes + allowedTypeCount;
const GenericHeader *current = reinterpret_cast<const GenericHeader *>(next);
while (current != NULL) {
if (std::find(start, end, current->sType) == end) {
std::string typeName = string_VkStructureType(current->sType);
if (typeName == UnsupportedStructureTypeString) {
skipCall |= log_msg(
report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName,
"%s: %s chain includes a structure with unexpected VkStructureType (%d); Allowed structures are [%s]",
apiName, parameterName, current->sType, allowedStructNames);
} else {
skipCall |= log_msg(
report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName,
"%s: %s chain includes a structure with unexpected VkStructureType %s; Allowed structures are [%s]",
apiName, parameterName, typeName.c_str(), allowedStructNames);
}
}
current = reinterpret_cast<const GenericHeader *>(current->pNext);
}
}
}
return skipCall;
}
/**
* Validate a VkBool32 value.
*
* Generate a warning if a VkBool32 value is neither VK_TRUE nor VK_FALSE.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param parameterName Name of parameter being validated.
* @param value Boolean value to validate.
* @return Boolean value indicating that the call should be skipped.
*/
static bool validate_bool32(debug_report_data *report_data, const char *apiName, const char *parameterName, VkBool32 value) {
bool skipCall = false;
if ((value != VK_TRUE) && (value != VK_FALSE)) {
skipCall |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: value of %s (%d) is neither VK_TRUE nor VK_FALSE", apiName, parameterName, value);
}
return skipCall;
}
/**
* Validate a Vulkan enumeration value.
*
* Generate a warning if an enumeration token value does not fall within the core enumeration
* begin and end token values, and was not added to the enumeration by an extension. Extension
* provided enumerations use the equation specified in Appendix C.10 of the Vulkan specification,
* with 1,000,000,000 as the base token value.
*
* @note This function does not expect to process enumerations defining bitmask flag bits.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param parameterName Name of parameter being validated.
* @param enumName Name of the enumeration being validated.
* @param begin The begin range value for the enumeration.
* @param end The end range value for the enumeration.
* @param value Boolean value to validate.
* @return Boolean value indicating that the call should be skipped.
*/
template <typename T>
bool validate_ranged_enum(debug_report_data *report_data, const char *apiName, const char *parameterName, const char *enumName,
T begin, T end, T value) {
bool skipCall = false;
if (((value < begin) || (value > end)) && !is_extension_added_token(value)) {
skipCall |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: value of %s (%d) does not fall within the begin..end range of the core %s "
"enumeration tokens and is not an extension added token",
apiName, parameterName, value, enumName);
}
return skipCall;
}
/**
* Validate an array of Vulkan enumeration value.
*
* Process all enumeration token values in the specified array and generate a warning if a value
* does not fall within the core enumeration begin and end token values, and was not added to
* the enumeration by an extension. Extension provided enumerations use the equation specified
* in Appendix C.10 of the Vulkan specification, with 1,000,000,000 as the base token value.
*
* @note This function does not expect to process enumerations defining bitmask flag bits.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param parameterName Name of parameter being validated.
* @param enumName Name of the enumeration being validated.
* @param begin The begin range value for the enumeration.
* @param end The end range value for the enumeration.
* @param value Boolean value to validate.
* @return Boolean value indicating that the call should be skipped.
*/
template <typename T>
static bool validate_ranged_enum_array(debug_report_data *report_data, const char *apiName, const char *parameterName,
const char *enumName, T begin, T end, uint32_t count, const T *pValues) {
bool skipCall = false;
for (uint32_t i = 0; i < count; ++i) {
if (((pValues[i] < begin) || (pValues[i] > end)) && !is_extension_added_token(pValues[i])) {
skipCall |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: value of %s[%d] (%d) does not fall within the begin..end range of the core %s "
"enumeration tokens and is not an extension added token",
apiName, parameterName, i, pValues[i], enumName);
}
}
return skipCall;
}
/**
* Get VkResult code description.
*
* Returns a string describing the specified VkResult code. The description is based on the language in the Vulkan API specification.
*
* @param value VkResult code to process.
* @return String describing the specified VkResult code.
*/
static std::string get_result_description(VkResult result) {
// clang-format off
switch (result) {
case VK_SUCCESS: return "a command completed successfully";
case VK_NOT_READY: return "a fence or query has not yet completed";
case VK_TIMEOUT: return "a wait operation has not completed in the specified time";
case VK_EVENT_SET: return "an event is signaled";
case VK_EVENT_RESET: return "an event is unsignalled";
case VK_INCOMPLETE: return "a return array was too small for the result";
case VK_ERROR_OUT_OF_HOST_MEMORY: return "a host memory allocation has failed";
case VK_ERROR_OUT_OF_DEVICE_MEMORY: return "a device memory allocation has failed";
case VK_ERROR_INITIALIZATION_FAILED: return "the logical device has been lost";
case VK_ERROR_DEVICE_LOST: return "initialization of an object has failed";
case VK_ERROR_MEMORY_MAP_FAILED: return "mapping of a memory object has failed";
case VK_ERROR_LAYER_NOT_PRESENT: return "the specified layer does not exist";
case VK_ERROR_EXTENSION_NOT_PRESENT: return "the specified extension does not exist";
case VK_ERROR_FEATURE_NOT_PRESENT: return "the requested feature is not available on this device";
case VK_ERROR_INCOMPATIBLE_DRIVER: return "a Vulkan driver could not be found";
case VK_ERROR_TOO_MANY_OBJECTS: return "too many objects of the type have already been created";
case VK_ERROR_FORMAT_NOT_SUPPORTED: return "the requested format is not supported on this device";
case VK_ERROR_SURFACE_LOST_KHR: return "a surface is no longer available";
case VK_ERROR_NATIVE_WINDOW_IN_USE_KHR: return "the requested window is already connected to another "
"VkSurfaceKHR object, or some other non-Vulkan surface object";
case VK_SUBOPTIMAL_KHR: return "an image became available, and the swapchain no longer "
"matches the surface properties exactly, but can still be used to "
"present to the surface successfully.";
case VK_ERROR_OUT_OF_DATE_KHR: return "a surface has changed in such a way that it is no "
"longer compatible with the swapchain";
case VK_ERROR_INCOMPATIBLE_DISPLAY_KHR: return "the display used by a swapchain does not use the same "
"presentable image layout, or is incompatible in a way that prevents "
"sharing an image";
case VK_ERROR_VALIDATION_FAILED_EXT: return "API validation has detected an invalid use of the API";
case VK_ERROR_INVALID_SHADER_NV: return "one or more shaders failed to compile or link";
default: return "an error has occurred";
};
// clang-format on
}
/**
* Validate return code.
*
* Print a message describing the reason for failure when an error code is returned.
*
* @param report_data debug_report_data object for routing validation messages.
* @param apiName Name of API call being validated.
* @param value VkResult value to validate.
*/
static void validate_result(debug_report_data *report_data, const char *apiName, VkResult result) {
if (result < 0) {
std::string resultName = string_VkResult(result);
if (resultName == UnsupportedResultString) {
// Unrecognized result code
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: returned a result code indicating that an error has occurred", apiName);
} else {
std::string resultDesc = get_result_description(result);
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
ParameterValidationName, "%s: returned %s, indicating that %s", apiName, resultName.c_str(), resultDesc.c_str());
}
}
}
#endif // PARAMETER_VALIDATION_UTILS_H