Introduce raii-compliant handle wrapper classes.

RAII_Samples/04_InitCommandBuffer/04_InitCommandBuffer.cpp

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+// Copyright(c) 2018-2019, 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 : 04_InitCommandBufferRAII
+//                     Create command buffer
+
+#include "../utils/utils.hpp"
+
+#include <iostream>
+
+static char const * AppName    = "04_InitCommandBufferRAII";
+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 );
+#if !defined( NDEBUG )
+    std::unique_ptr<vk::raii::DebugUtilsMessengerEXT> debugUtilsMessenger =
+      vk::raii::su::makeUniqueDebugUtilsMessengerEXT( *instance );
+#endif
+    std::unique_ptr<vk::raii::PhysicalDevice> physicalDevice = vk::raii::su::makeUniquePhysicalDevice( *instance );
+    uint32_t                                  graphicsQueueFamilyIndex =
+      vk::su::findGraphicsQueueFamilyIndex( physicalDevice->getQueueFamilyProperties() );
+    std::unique_ptr<vk::raii::Device> device =
+      vk::raii::su::makeUniqueDevice( *physicalDevice, graphicsQueueFamilyIndex );
+
+    /* VULKAN_HPP_KEY_START */
+
+    // create a CommandPool to allocate a CommandBuffer from
+    vk::CommandPoolCreateInfo              commandPoolCreateInfo( {}, graphicsQueueFamilyIndex );
+    std::unique_ptr<vk::raii::CommandPool> commandPool =
+      vk::raii::su::make_unique<vk::raii::CommandPool>( *device, commandPoolCreateInfo );
+
+    // allocate a CommandBuffer from the CommandPool
+    vk::CommandBufferAllocateInfo commandBufferAllocateInfo( **commandPool, vk::CommandBufferLevel::ePrimary, 1 );
+    std::unique_ptr<vk::raii::CommandBuffer> commandBuffer = vk::raii::su::make_unique<vk::raii::CommandBuffer>(
+      std::move( vk::raii::CommandBuffers( *device, commandBufferAllocateInfo ).front() ) );
+
+    /* VULKAN_HPP_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;
+}

RAII_Samples/04_InitCommandBuffer/CMakeLists.txt

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+# Copyright(c) 2018-2019, 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_04_InitCommandBuffer)
+
+set(HEADERS
+)
+
+set(SOURCES
+  04_InitCommandBuffer.cpp
+)
+
+source_group(headers FILES ${HEADERS})
+source_group(sources FILES ${SOURCES})
+
+add_executable(RAII_04_InitCommandBuffer
+  ${HEADERS}
+  ${SOURCES}
+)
+
+set_target_properties(RAII_04_InitCommandBuffer PROPERTIES FOLDER "RAII_Samples")
+target_link_libraries(RAII_04_InitCommandBuffer PRIVATE utils)