/*------------------------------------------------------------------------
 * Vulkan Conformance Tests
 * ------------------------
 *
 * Copyright (c) 2017 The Khronos Group Inc.
 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
 *
 * 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 Protected memory attachment render pass load tests
 *//*--------------------------------------------------------------------*/

#include "vktProtectedMemAttachmentLoadTests.hpp"

#include "deRandom.hpp"
#include "tcuTestLog.hpp"
#include "tcuVector.hpp"

#include "vkPrograms.hpp"
#include "vktTestCase.hpp"
#include "vktTestGroupUtil.hpp"
#include "vkTypeUtil.hpp"
#include "vkBuilderUtil.hpp"
#include "vkCmdUtil.hpp"

#include "vktProtectedMemContext.hpp"
#include "vktProtectedMemUtils.hpp"
#include "vktProtectedMemImageValidator.hpp"

namespace vkt
{
namespace ProtectedMem
{

namespace
{

enum {
	RENDER_WIDTH	= 128,
	RENDER_HEIGHT	= 128,
};


class AttachmentLoadTestInstance : public ProtectedTestInstance
{
public:
								AttachmentLoadTestInstance	(Context&					ctx,
															 const vk::VkClearValue&	clearValue,
															 const ValidationData&		refData,
															 const ImageValidator&		validator);
	virtual tcu::TestStatus		iterate						(void);

private:
	const vk::VkFormat			m_imageFormat;
	const vk::VkClearValue&		m_clearValue;
	const ValidationData&		m_refData;
	const ImageValidator&		m_validator;
};


class AttachmentLoadTestCase : public TestCase
{
public:
							AttachmentLoadTestCase	(tcu::TestContext&		testCtx,
													 const std::string&		name,
													 vk::VkClearValue		clearValue,
													 ValidationData			data)
								: TestCase		(testCtx, name, "Clear on render pass initialization.")
								, m_clearValue	(clearValue)
								, m_refData		(data)
							{
							}

	virtual					~AttachmentLoadTestCase	(void) {}
	virtual TestInstance*	createInstance	(Context&				ctx) const
							{
								return new AttachmentLoadTestInstance(ctx, m_clearValue, m_refData, m_validator);
							}
	virtual void			initPrograms	(vk::SourceCollections&	programCollection) const
							{
								m_validator.initPrograms(programCollection);
							}
private:
	vk::VkClearValue		m_clearValue;
	ValidationData			m_refData;
	ImageValidator			m_validator;
};

AttachmentLoadTestInstance::AttachmentLoadTestInstance	(Context&					ctx,
														 const vk::VkClearValue&	clearValue,
														 const ValidationData&		refData,
														 const ImageValidator&		validator)
	: ProtectedTestInstance	(ctx)
	, m_imageFormat	(vk::VK_FORMAT_R8G8B8A8_UNORM)
	, m_clearValue	(clearValue)
	, m_refData		(refData)
	, m_validator	(validator)
{
}

tcu::TestStatus AttachmentLoadTestInstance::iterate()
{
	ProtectedContext&					ctx					(m_protectedContext);
	const vk::DeviceInterface&			vk					= ctx.getDeviceInterface();
	const vk::VkDevice					device				= ctx.getDevice();
	const vk::VkQueue					queue				= ctx.getQueue();
	const deUint32						queueFamilyIndex	= ctx.getQueueFamilyIndex();

	// Create output image
	de::MovePtr<vk::ImageWithMemory>	colorImage			(createImage2D(ctx, PROTECTION_ENABLED, queueFamilyIndex,
																			RENDER_WIDTH, RENDER_HEIGHT,
																			m_imageFormat,
																			vk::VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT|vk::VK_IMAGE_USAGE_SAMPLED_BIT));
	vk::Unique<vk::VkImageView>			colorImageView		(createImageView(ctx, **colorImage, m_imageFormat));

	vk::Unique<vk::VkRenderPass>		renderPass			(createRenderPass(ctx, m_imageFormat));
	vk::Unique<vk::VkFramebuffer>		framebuffer			(createFramebuffer(ctx, RENDER_WIDTH, RENDER_HEIGHT, *renderPass, *colorImageView));
	vk::Unique<vk::VkPipelineLayout>	pipelineLayout		(createPipelineLayout(ctx, 0u, DE_NULL));

	vk::Unique<vk::VkCommandPool>		cmdPool				(makeCommandPool(vk, device, PROTECTION_ENABLED, queueFamilyIndex));
	vk::Unique<vk::VkCommandBuffer>		cmdBuffer			(vk::allocateCommandBuffer(vk, device, *cmdPool, vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY));

	// Begin cmd buffer
	beginCommandBuffer(vk, *cmdBuffer);

	// Start image barrier
	{
		const vk::VkImageMemoryBarrier	startImgBarrier		=
		{
			vk::VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,			// sType
			DE_NULL,											// pNext
			0,													// srcAccessMask
			vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,			// dstAccessMask
			vk::VK_IMAGE_LAYOUT_UNDEFINED,						// oldLayout
			vk::VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,		// newLayout
			queueFamilyIndex,									// srcQueueFamilyIndex
			queueFamilyIndex,									// dstQueueFamilyIndex
			**colorImage,										// image
			{
				vk::VK_IMAGE_ASPECT_COLOR_BIT,					// aspectMask
				0u,												// baseMipLevel
				1u,												// mipLevels
				0u,												// baseArraySlice
				1u,												// subresourceRange
			}
		};

		vk.cmdPipelineBarrier(*cmdBuffer,
								vk::VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
								vk::VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
								(vk::VkDependencyFlags)0,
								0, (const vk::VkMemoryBarrier*)DE_NULL,
								0, (const vk::VkBufferMemoryBarrier*)DE_NULL,
								1, &startImgBarrier);
	}

	// Image clear
	beginRenderPass(vk, *cmdBuffer, *renderPass, *framebuffer, vk::makeRect2D(0, 0, RENDER_WIDTH, RENDER_HEIGHT), m_clearValue);
	endRenderPass(vk, *cmdBuffer);

	{
		// Image validator reads image in compute shader
		const vk::VkImageMemoryBarrier	endImgBarrier		=
		{
			vk::VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,			// sType
			DE_NULL,											// pNext
			vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,			// srcAccessMask
			vk::VK_ACCESS_SHADER_READ_BIT,						// dstAccessMask
			vk::VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,		// oldLayout
			vk::VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,		// newLayout
			queueFamilyIndex,									// srcQueueFamilyIndex
			queueFamilyIndex,									// dstQueueFamilyIndex
			**colorImage,										// image
			{
				vk::VK_IMAGE_ASPECT_COLOR_BIT,					// aspectMask
				0u,												// baseMipLevel
				1u,												// mipLevels
				0u,												// baseArraySlice
				1u,												// subresourceRange
			}
		};
		vk.cmdPipelineBarrier(*cmdBuffer,
								vk::VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
								vk::VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
								(vk::VkDependencyFlags)0,
								0, (const vk::VkMemoryBarrier*)DE_NULL,
								0, (const vk::VkBufferMemoryBarrier*)DE_NULL,
								1, &endImgBarrier);
	}

	endCommandBuffer(vk, *cmdBuffer);

	// Submit command buffer
	const vk::Unique<vk::VkFence>	fence		(vk::createFence(vk, device));
	VK_CHECK(queueSubmit(ctx, PROTECTION_ENABLED, queue, *cmdBuffer, *fence, ~0ull));

	// Log out test data
	ctx.getTestContext().getLog()
		<< tcu::TestLog::Message << "Color clear value: " << tcu::Vec4(m_clearValue.color.float32) << tcu::TestLog::EndMessage
		<< tcu::TestLog::Message << "Depth clear value: " << m_clearValue.depthStencil.depth << tcu::TestLog::EndMessage
		<< tcu::TestLog::Message << "Stencil clear value: " << m_clearValue.depthStencil.stencil << tcu::TestLog::EndMessage;

	// Validate resulting image
	if (m_validator.validateImage(ctx, m_refData, **colorImage, m_imageFormat, vk::VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL))
		return tcu::TestStatus::pass("Everything went OK");
	else
		return tcu::TestStatus::fail("Something went really wrong");
}

} // anonymous

tcu::TestCaseGroup*	createAttachmentLoadTests (tcu::TestContext& testCtx)
{
	struct {
		const vk::VkClearValue		clearValue;
		const ValidationData		data;
	} testData[] = {
		{	vk::makeClearValueColorF32(1.0f, 0.0f, 0.0f, 1.0f),
			{
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f),  tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
				{ tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),
				  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), }
			}
		},
		{	vk::makeClearValueColorF32(0.0f, 1.0f, 0.0f, 1.0f),
			{
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f),  tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
				{ tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f),  tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f),
				  tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f),  tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f), }
			}
		},
		{	vk::makeClearValueColorF32(0.0f, 0.0f, 1.0f, 1.0f),
			{
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f),  tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
				{ tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f),  tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f),
				  tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f),  tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f), }
			}
		},
		{	vk::makeClearValueColorF32(0.0f, 0.0f, 0.0f, 1.0f),
			{
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f),  tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f),  tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f),
				  tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f),  tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f), }
			}
		},
		{	vk::makeClearValueColorF32(1.0f, 0.0f, 0.0f, 1.0f),
			{
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f),  tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
				{ tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),
				  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), }
			}
		},
		{	vk::makeClearValueColorF32(1.0f, 0.0f, 0.0f, 0.0f),
			{
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f),  tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
				{ tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f),
				  tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f), }
			}
		},
		{	vk::makeClearValueColorF32(0.1f, 0.2f, 0.3f, 0.0f),
			{
				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f),  tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f),  tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
				{ tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f),  tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f),
				  tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f),  tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f), }
			}
		},
	};

	de::MovePtr<tcu::TestCaseGroup>	loadStaticTests	(new tcu::TestCaseGroup(testCtx, "static", "Attachment Load Op Tests with static input"));

	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(testData); ++ndx)
	{
		const std::string name = "clear_" + de::toString(ndx + 1);
		loadStaticTests->addChild(new AttachmentLoadTestCase(testCtx, name.c_str(), testData[ndx].clearValue, testData[ndx].data));
	}

	/* Add a few randomized tests */
	de::MovePtr<tcu::TestCaseGroup>	loadRandomTests		(new tcu::TestCaseGroup(testCtx, "random", "Attachment Load Op Tests with random input"));
	const int						testCount			= 10;
	de::Random						rnd					(testCtx.getCommandLine().getBaseSeed());
	for (int ndx = 0; ndx < testCount; ++ndx)
	{
		const std::string	name		= "clear_" + de::toString(ndx + 1);
		vk::VkClearValue	clearValue	= vk::makeClearValueColorF32(
											rnd.getFloat(0.0, 1.0f),
											rnd.getFloat(0.0, 1.0f),
											rnd.getFloat(0.0, 1.0f),
											rnd.getFloat(0.0, 1.0f));

		tcu::Vec4			refValue	(clearValue.color.float32[0], clearValue.color.float32[1], clearValue.color.float32[2], clearValue.color.float32[3]);
		ValidationData		data = {
			{ tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)),
			  tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)),
			  tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)),
			  tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)) },
			{ refValue, refValue, refValue, refValue }
		};

		loadRandomTests->addChild(new AttachmentLoadTestCase(testCtx, name.c_str(), clearValue, data));
	}

	de::MovePtr<tcu::TestCaseGroup> loadTests (new tcu::TestCaseGroup(testCtx, "load_op", "Attachment Load Op Tests"));
	loadTests->addChild(loadStaticTests.release());
	loadTests->addChild(loadRandomTests.release());
	return loadTests.release();
}

} // ProtectedMem
} // vkt