| /* 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 <mark@lunarg.com> |
| * Author: Dave Houlton <daveh@lunarg.com> |
| * |
| */ |
| |
| #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_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 = log_callback; |
| dbgCreateInfo.pUserData = (void *)log_output; |
| layer_create_msg_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 = win32_debug_output_msg; |
| dbgCreateInfo.pUserData = NULL; |
| layer_create_msg_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_msg_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &callback); |
| logging_callback.push_back(callback); |
| } |
| } |