Introduce raii-compliant handle wrapper classes.

RAII_Samples/PhysicalDeviceQueueFamilyProperties/CMakeLists.txt

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+# Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
+#
+# 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.
+
+cmake_minimum_required(VERSION 3.2)
+
+project(RAII_PhysicalDeviceQueueFamilyProperties)
+
+set(HEADERS
+)
+
+set(SOURCES
+  PhysicalDeviceQueueFamilyProperties.cpp
+)
+
+source_group(headers FILES ${HEADERS})
+source_group(sources FILES ${SOURCES})
+
+add_executable(RAII_PhysicalDeviceQueueFamilyProperties
+  ${HEADERS}
+  ${SOURCES}
+)
+
+set_target_properties(RAII_PhysicalDeviceQueueFamilyProperties PROPERTIES FOLDER "RAII_Samples")
+target_link_libraries(RAII_PhysicalDeviceQueueFamilyProperties PRIVATE utils)

RAII_Samples/PhysicalDeviceQueueFamilyProperties/PhysicalDeviceQueueFamilyProperties.cpp

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+// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
+//
+// 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.
+//
+// VulkanHpp Samples : PhysicalDeviceQueueFamilyProperties
+//                     Get queue family properties per physical device.
+
+#include "../utils/utils.hpp"
+#include "vulkan/vulkan.hpp"
+
+#include <iomanip>
+#include <sstream>
+#include <vector>
+
+static char const * AppName    = "PhysicalDeviceQueueFamilyProperties";
+static char const * EngineName = "Vulkan.hpp";
+
+int main( int /*argc*/, char ** /*argv*/ )
+{
+  try
+  {
+    std::unique_ptr<vk::raii::Context>  context = vk::raii::su::make_unique<vk::raii::Context>();
+    std::unique_ptr<vk::raii::Instance> instance =
+      vk::raii::su::makeUniqueInstance( *context, AppName, EngineName, {}, {}, VK_API_VERSION_1_1 );
+#if !defined( NDEBUG )
+    std::unique_ptr<vk::raii::DebugUtilsMessengerEXT> debugUtilsMessenger =
+      vk::raii::su::makeUniqueDebugUtilsMessengerEXT( *instance );
+#endif
+
+    // enumerate the physicalDevices
+    vk::raii::PhysicalDevices physicalDevices( *instance );
+
+    /* VULKAN_KEY_START */
+
+    std::cout << std::boolalpha;
+    for ( size_t i = 0; i < physicalDevices.size(); i++ )
+    {
+      // some features are only valid, if a corresponding extension is available!
+      std::vector<vk::ExtensionProperties> extensionProperties =
+        physicalDevices[i].enumerateDeviceExtensionProperties();
+
+      std::cout << "PhysicalDevice " << i << " :" << std::endl;
+
+      // need to explicitly specify all the template arguments for getQueueFamilyProperties2 to make the compiler happy
+      using Chain = vk::StructureChain<vk::QueueFamilyProperties2, vk::QueueFamilyCheckpointPropertiesNV>;
+      auto queueFamilyProperties2 = physicalDevices[i].getQueueFamilyProperties2<Chain>();
+      for ( size_t j = 0; j < queueFamilyProperties2.size(); j++ )
+      {
+        std::cout << "\tQueueFamily " << j << " :" << std::endl;
+        vk::QueueFamilyProperties const & properties =
+          queueFamilyProperties2[j].get<vk::QueueFamilyProperties2>().queueFamilyProperties;
+        std::cout << "\t\tQueueFamilyProperties:" << std::endl;
+        std::cout << "\t\t\tqueueFlags                  = " << vk::to_string( properties.queueFlags ) << std::endl;
+        std::cout << "\t\t\tqueueCount                  = " << properties.queueCount << std::endl;
+        std::cout << "\t\t\ttimestampValidBits          = " << properties.timestampValidBits << std::endl;
+        std::cout << "\t\t\tminImageTransferGranularity = " << properties.minImageTransferGranularity.width << " x "
+                  << properties.minImageTransferGranularity.height << " x "
+                  << properties.minImageTransferGranularity.depth << std::endl;
+        std::cout << std::endl;
+
+        if ( vk::su::contains( extensionProperties, "VK_NV_device_diagnostic_checkpoints" ) )
+        {
+          vk::QueueFamilyCheckpointPropertiesNV const & checkpointProperties =
+            queueFamilyProperties2[j].get<vk::QueueFamilyCheckpointPropertiesNV>();
+          std::cout << "\t\tCheckPointPropertiesNV:" << std::endl;
+          std::cout << "\t\t\tcheckpointExecutionStageMask  = "
+                    << vk::to_string( checkpointProperties.checkpointExecutionStageMask ) << std::endl;
+          std::cout << std::endl;
+        }
+      }
+    }
+
+    /* VULKAN_KEY_END */
+  }
+  catch ( vk::SystemError & err )
+  {
+    std::cout << "vk::SystemError: " << err.what() << std::endl;
+    exit( -1 );
+  }
+  catch ( std::exception & err )
+  {
+    std::cout << "std::exception: " << err.what() << std::endl;
+    exit( -1 );
+  }
+  catch ( ... )
+  {
+    std::cout << "unknown error\n";
+    exit( -1 );
+  }
+  return 0;
+}