/*------------------------------------------------------------------------
* Vulkan Conformance Tests
* ------------------------
*
* Copyright (c) 2016 The Khronos Group 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 vktPipelineMultisampleBase.cpp
* \brief Multisample Tests Base Classes
*//*--------------------------------------------------------------------*/

#include "vktPipelineMultisampleBase.hpp"
#include "vkQueryUtil.hpp"

namespace vkt
{
namespace pipeline
{
namespace multisample
{

using namespace vk;

void MultisampleInstanceBase::validateImageSize	(const InstanceInterface&	instance,
												 const VkPhysicalDevice		physicalDevice,
												 const ImageType			imageType,
												 const tcu::UVec3&			imageSize) const
{
	const VkPhysicalDeviceProperties deviceProperties = getPhysicalDeviceProperties(instance, physicalDevice);

	bool isImageSizeValid = true;

	switch (imageType)
	{
		case IMAGE_TYPE_1D:
			isImageSizeValid =	imageSize.x() <= deviceProperties.limits.maxImageDimension1D;
			break;
		case IMAGE_TYPE_1D_ARRAY:
			isImageSizeValid =	imageSize.x() <= deviceProperties.limits.maxImageDimension1D &&
								imageSize.z() <= deviceProperties.limits.maxImageArrayLayers;
			break;
		case IMAGE_TYPE_2D:
			isImageSizeValid =	imageSize.x() <= deviceProperties.limits.maxImageDimension2D &&
								imageSize.y() <= deviceProperties.limits.maxImageDimension2D;
			break;
		case IMAGE_TYPE_2D_ARRAY:
			isImageSizeValid =	imageSize.x() <= deviceProperties.limits.maxImageDimension2D &&
								imageSize.y() <= deviceProperties.limits.maxImageDimension2D &&
								imageSize.z() <= deviceProperties.limits.maxImageArrayLayers;
			break;
		case IMAGE_TYPE_CUBE:
			isImageSizeValid =	imageSize.x() <= deviceProperties.limits.maxImageDimensionCube &&
								imageSize.y() <= deviceProperties.limits.maxImageDimensionCube;
			break;
		case IMAGE_TYPE_CUBE_ARRAY:
			isImageSizeValid =	imageSize.x() <= deviceProperties.limits.maxImageDimensionCube &&
								imageSize.y() <= deviceProperties.limits.maxImageDimensionCube &&
								imageSize.z() <= deviceProperties.limits.maxImageArrayLayers;
			break;
		case IMAGE_TYPE_3D:
			isImageSizeValid =	imageSize.x() <= deviceProperties.limits.maxImageDimension3D &&
								imageSize.y() <= deviceProperties.limits.maxImageDimension3D &&
								imageSize.z() <= deviceProperties.limits.maxImageDimension3D;
			break;
		default:
			DE_FATAL("Unknown image type");
	}

	if (!isImageSizeValid)
	{
		std::ostringstream	notSupportedStream;

		notSupportedStream << "Image type (" << getImageTypeName(imageType) << ") with size (" << imageSize.x() << ", " << imageSize.y() << ", " << imageSize.z() << ") not supported by device" << std::endl;

		const std::string notSupportedString = notSupportedStream.str();

		TCU_THROW(NotSupportedError, notSupportedString.c_str());
	}
}

void MultisampleInstanceBase::validateImageFeatureFlags	(const InstanceInterface&	instance,
														 const VkPhysicalDevice		physicalDevice,
														 const VkFormat				format,
														 const VkFormatFeatureFlags	featureFlags) const
{
	const VkFormatProperties formatProperties = getPhysicalDeviceFormatProperties(instance, physicalDevice, format);

	if ((formatProperties.optimalTilingFeatures & featureFlags) != featureFlags)
	{
		std::ostringstream	notSupportedStream;

		notSupportedStream << "Device does not support image format " << format << " for feature flags " << featureFlags << std::endl;

		const std::string notSupportedString = notSupportedStream.str();

		TCU_THROW(NotSupportedError, notSupportedString.c_str());
	}
}

void MultisampleInstanceBase::validateImageInfo	(const InstanceInterface&	instance,
												 const VkPhysicalDevice		physicalDevice,
												 const VkImageCreateInfo&	imageInfo) const
{
	VkImageFormatProperties imageFormatProps;
	instance.getPhysicalDeviceImageFormatProperties(physicalDevice, imageInfo.format, imageInfo.imageType, imageInfo.tiling, imageInfo.usage, imageInfo.flags, &imageFormatProps);

	if (imageFormatProps.maxExtent.width  < imageInfo.extent.width  ||
		imageFormatProps.maxExtent.height < imageInfo.extent.height ||
		imageFormatProps.maxExtent.depth  < imageInfo.extent.depth)
	{
		std::ostringstream	notSupportedStream;

		notSupportedStream	<< "Image extent ("
							<< imageInfo.extent.width  << ", "
							<< imageInfo.extent.height << ", "
							<< imageInfo.extent.depth
							<< ") exceeds allowed maximum ("
							<< imageFormatProps.maxExtent.width <<  ", "
							<< imageFormatProps.maxExtent.height << ", "
							<< imageFormatProps.maxExtent.depth
							<< ")"
							<< std::endl;

		const std::string notSupportedString = notSupportedStream.str();

		TCU_THROW(NotSupportedError, notSupportedString.c_str());
	}

	if (imageFormatProps.maxArrayLayers < imageInfo.arrayLayers)
	{
		std::ostringstream	notSupportedStream;

		notSupportedStream << "Image layers count of " << imageInfo.arrayLayers << " exceeds allowed maximum which is " << imageFormatProps.maxArrayLayers << std::endl;

		const std::string notSupportedString = notSupportedStream.str();

		TCU_THROW(NotSupportedError, notSupportedString.c_str());
	}

	if (!(imageFormatProps.sampleCounts & imageInfo.samples))
	{
		std::ostringstream	notSupportedStream;

		notSupportedStream << "Samples count of " << imageInfo.samples << " not supported for image" << std::endl;

		const std::string notSupportedString = notSupportedStream.str();

		TCU_THROW(NotSupportedError, notSupportedString.c_str());
	}
}

} // multisample
} // pipeline
} // vkt