external/vulkancts/framework/vulkan/vkDeviceUtil.cpp

/*-------------------------------------------------------------------------
 * Vulkan CTS Framework
 * --------------------
 *
 * Copyright (c) 2015 Google 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.
 *
 *//*!
 * \file
 * \brief Instance and device initialization utilities.
 *//*--------------------------------------------------------------------*/

#include "vkDeviceUtil.hpp"
#include "vkQueryUtil.hpp"
#include "vkRefUtil.hpp"

#include "tcuCommandLine.hpp"

#include "qpInfo.h"

#include <vector>

namespace vk
{

using std::vector;

Move<VkInstance> createDefaultInstance (const PlatformInterface& vkPlatform)
{
	const struct VkApplicationInfo		appInfo			=
	{
		VK_STRUCTURE_TYPE_APPLICATION_INFO,
		DE_NULL,
		"deqp",									// pAppName
		qpGetReleaseId(),						// appVersion
		"deqp",									// pEngineName
		qpGetReleaseId(),						// engineVersion
		VK_API_VERSION							// apiVersion
	};
	const struct VkInstanceCreateInfo	instanceInfo	=
	{
		VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
		DE_NULL,
		(VkInstanceCreateFlags)0,
		&appInfo,
		0u,										// enabledLayerNameCount
		DE_NULL,								// ppEnabledLayerNames
		0u,										// enabledExtensionNameCount;
		DE_NULL									// ppEnabledExtensionNames
	};

	return createInstance(vkPlatform, &instanceInfo);
}

VkPhysicalDevice chooseDevice (const InstanceInterface& vkInstance, VkInstance instance, const tcu::CommandLine& cmdLine)
{
	const vector<VkPhysicalDevice>	devices	= enumeratePhysicalDevices(vkInstance, instance);

	if (devices.empty())
		TCU_THROW(NotSupportedError, "No Vulkan devices available");

	if (!de::inBounds(cmdLine.getVKDeviceId(), 1, (int)devices.size()+1))
		TCU_THROW(InternalError, "Invalid --deqp-vk-device-id");

	return devices[(size_t)(cmdLine.getVKDeviceId()-1)];
}

} // vk