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vk_layer_utils.cpp
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/* Copyright (c) 2015-2016 The Khronos Group Inc.
* Copyright (c) 2015-2016 Valve Corporation
* Copyright (c) 2015-2016 LunarG, 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: Mark Lobodzinski <[email protected]>
* Author: Dave Houlton <[email protected]>
*
*/
#include <string.h>
#include <string>
#include <vector>
#include <map>
#include "vulkan/vulkan.h"
#include "vk_layer_config.h"
#include "vk_layer_utils.h"
static const uint8_t UTF8_ONE_BYTE_CODE = 0xC0;
static const uint8_t UTF8_ONE_BYTE_MASK = 0xE0;
static const uint8_t UTF8_TWO_BYTE_CODE = 0xE0;
static const uint8_t UTF8_TWO_BYTE_MASK = 0xF0;
static const uint8_t UTF8_THREE_BYTE_CODE = 0xF0;
static const uint8_t UTF8_THREE_BYTE_MASK = 0xF8;
static const uint8_t UTF8_DATA_BYTE_CODE = 0x80;
static const uint8_t UTF8_DATA_BYTE_MASK = 0xC0;
VK_LAYER_EXPORT VkStringErrorFlags vk_string_validate(const int max_length, const char *utf8) {
VkStringErrorFlags result = VK_STRING_ERROR_NONE;
int num_char_bytes = 0;
int i, j;
for (i = 0; i <= max_length; i++) {
if (utf8[i] == 0) {
break;
} else if (i == max_length) {
result = VK_STRING_ERROR_LENGTH;
break;
} else if ((utf8[i] >= 0xa) && (utf8[i] < 0x7f)) {
num_char_bytes = 0;
} else if ((utf8[i] & UTF8_ONE_BYTE_MASK) == UTF8_ONE_BYTE_CODE) {
num_char_bytes = 1;
} else if ((utf8[i] & UTF8_TWO_BYTE_MASK) == UTF8_TWO_BYTE_CODE) {
num_char_bytes = 2;
} else if ((utf8[i] & UTF8_THREE_BYTE_MASK) == UTF8_THREE_BYTE_CODE) {
num_char_bytes = 3;
} else {
result = VK_STRING_ERROR_BAD_DATA;
}
// Validate the following num_char_bytes of data
for (j = 0; (j < num_char_bytes) && (i < max_length); j++) {
if (++i == max_length) {
result |= VK_STRING_ERROR_LENGTH;
break;
}
if ((utf8[i] & UTF8_DATA_BYTE_MASK) != UTF8_DATA_BYTE_CODE) {
result |= VK_STRING_ERROR_BAD_DATA;
}
}
}
return result;
}
// Utility function for finding a text string in another string
VK_LAYER_EXPORT bool white_list(const char *item, const char *list) {
std::string candidate(item);
std::string white_list(list);
return (white_list.find(candidate) != std::string::npos);
}
// Debug callbacks get created in three ways:
// o Application-defined debug callbacks
// o Through settings in a vk_layer_settings.txt file
// o By default, if neither an app-defined debug callback nor a vk_layer_settings.txt file is present
//
// At layer initialization time, default logging callbacks are created to output layer error messages.
// If a vk_layer_settings.txt file is present its settings will override any default settings.
//
// If a vk_layer_settings.txt file is present and an application defines a debug callback, both callbacks
// will be active. If no vk_layer_settings.txt file is present, creating an application-defined debug
// callback will cause the default callbacks to be unregisterd and removed.
VK_LAYER_EXPORT void layer_debug_report_actions(debug_report_data *report_data,
std::vector<VkDebugReportCallbackEXT> &logging_callback,
const VkAllocationCallbacks *pAllocator, const char *layer_identifier) {
VkDebugReportCallbackEXT callback = VK_NULL_HANDLE;
std::string report_flags_key = layer_identifier;
std::string debug_action_key = layer_identifier;
std::string log_filename_key = layer_identifier;
report_flags_key.append(".report_flags");
debug_action_key.append(".debug_action");
log_filename_key.append(".log_filename");
// Initialize layer options
VkDebugReportFlagsEXT report_flags = GetLayerOptionFlags(report_flags_key, report_flags_option_definitions, 0);
VkLayerDbgActionFlags debug_action = GetLayerOptionFlags(debug_action_key, debug_actions_option_definitions, 0);
// Flag as default if these settings are not from a vk_layer_settings.txt file
bool default_layer_callback = (debug_action & VK_DBG_LAYER_ACTION_DEFAULT) ? true : false;
if (debug_action & VK_DBG_LAYER_ACTION_LOG_MSG) {
const char *log_filename = getLayerOption(log_filename_key.c_str());
FILE *log_output = getLayerLogOutput(log_filename, layer_identifier);
VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
memset(&dbgCreateInfo, 0, sizeof(dbgCreateInfo));
dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
dbgCreateInfo.flags = report_flags;
dbgCreateInfo.pfnCallback = report_log_callback;
dbgCreateInfo.pUserData = (void *)log_output;
layer_create_report_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &callback);
logging_callback.push_back(callback);
}
callback = VK_NULL_HANDLE;
if (debug_action & VK_DBG_LAYER_ACTION_DEBUG_OUTPUT) {
VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
memset(&dbgCreateInfo, 0, sizeof(dbgCreateInfo));
dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
dbgCreateInfo.flags = report_flags;
dbgCreateInfo.pfnCallback = report_win32_debug_output_msg;
dbgCreateInfo.pUserData = NULL;
layer_create_report_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &callback);
logging_callback.push_back(callback);
}
callback = VK_NULL_HANDLE;
if (debug_action & VK_DBG_LAYER_ACTION_BREAK) {
VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
memset(&dbgCreateInfo, 0, sizeof(dbgCreateInfo));
dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
dbgCreateInfo.flags = report_flags;
dbgCreateInfo.pfnCallback = DebugBreakCallback;
dbgCreateInfo.pUserData = NULL;
layer_create_report_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &callback);
logging_callback.push_back(callback);
}
}
VK_LAYER_EXPORT void layer_debug_messenger_actions(debug_report_data *report_data,
std::vector<VkDebugUtilsMessengerEXT> &logging_messenger,
const VkAllocationCallbacks *pAllocator, const char *layer_identifier) {
VkDebugUtilsMessengerEXT messenger = VK_NULL_HANDLE;
std::string report_flags_key = layer_identifier;
std::string debug_action_key = layer_identifier;
std::string log_filename_key = layer_identifier;
report_flags_key.append(".report_flags");
debug_action_key.append(".debug_action");
log_filename_key.append(".log_filename");
// Initialize layer options
VkDebugReportFlagsEXT report_flags = GetLayerOptionFlags(report_flags_key, report_flags_option_definitions, 0);
VkLayerDbgActionFlags debug_action = GetLayerOptionFlags(debug_action_key, debug_actions_option_definitions, 0);
// Flag as default if these settings are not from a vk_layer_settings.txt file
bool default_layer_callback = (debug_action & VK_DBG_LAYER_ACTION_DEFAULT) ? true : false;
VkDebugUtilsMessengerCreateInfoEXT dbgCreateInfo;
memset(&dbgCreateInfo, 0, sizeof(dbgCreateInfo));
dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
dbgCreateInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT;
if (report_flags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
dbgCreateInfo.messageSeverity |= VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
}
if (report_flags & VK_DEBUG_REPORT_WARNING_BIT_EXT) {
dbgCreateInfo.messageSeverity |= VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT;
}
if (report_flags & VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT) {
dbgCreateInfo.messageSeverity |= VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT;
dbgCreateInfo.messageType |= VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
}
if (report_flags & VK_DEBUG_REPORT_INFORMATION_BIT_EXT) {
dbgCreateInfo.messageSeverity |= VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT;
}
if (report_flags & VK_DEBUG_REPORT_DEBUG_BIT_EXT) {
dbgCreateInfo.messageSeverity |= VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT;
}
if (debug_action & VK_DBG_LAYER_ACTION_LOG_MSG) {
const char *log_filename = getLayerOption(log_filename_key.c_str());
FILE *log_output = getLayerLogOutput(log_filename, layer_identifier);
dbgCreateInfo.pfnUserCallback = messenger_log_callback;
dbgCreateInfo.pUserData = (void *)log_output;
layer_create_messenger_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &messenger);
logging_messenger.push_back(messenger);
}
messenger = VK_NULL_HANDLE;
if (debug_action & VK_DBG_LAYER_ACTION_DEBUG_OUTPUT) {
dbgCreateInfo.pfnUserCallback = messenger_win32_debug_output_msg;
dbgCreateInfo.pUserData = NULL;
layer_create_messenger_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &messenger);
logging_messenger.push_back(messenger);
}
}