Introduce raii-compliant handle wrapper classes.

RAII_Samples/11_InitShaders/11_InitShaders.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 : 11_InitShaders
+//                     Initialize vertex and fragment shaders
+
+#include "../utils/shaders.hpp"
+#include "../utils/utils.hpp"
+#include "SPIRV/GlslangToSpv.h"
+
+#include <iostream>
+
+static char const * AppName    = "11_InitShaders";
+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::su::getInstanceExtensions() );
+#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 */
+
+    glslang::InitializeProcess();
+
+    std::vector<unsigned int> vertexShaderSPV;
+    bool ok = vk::su::GLSLtoSPV( vk::ShaderStageFlagBits::eVertex, vertexShaderText_PC_C, vertexShaderSPV );
+    assert( ok );
+
+    vk::ShaderModuleCreateInfo              vertexShaderModuleCreateInfo( {}, vertexShaderSPV );
+    std::unique_ptr<vk::raii::ShaderModule> vertexShaderModule =
+      vk::raii::su::make_unique<vk::raii::ShaderModule>( *device, vertexShaderModuleCreateInfo );
+
+    std::vector<unsigned int> fragmentShaderSPV;
+    ok = vk::su::GLSLtoSPV( vk::ShaderStageFlagBits::eFragment, fragmentShaderText_C_C, fragmentShaderSPV );
+    assert( ok );
+
+    vk::ShaderModuleCreateInfo              fragmentShaderModuleCreateInfo( {}, fragmentShaderSPV );
+    std::unique_ptr<vk::raii::ShaderModule> fragmentShaderModule =
+      vk::raii::su::make_unique<vk::raii::ShaderModule>( *device, fragmentShaderModuleCreateInfo );
+
+    glslang::FinalizeProcess();
+
+    /* 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;
+}