// Copyright (c) 2016- PPSSPP Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

#include <string>
#include <cassert>
#include <sstream>

#include "Common/Vulkan/VulkanContext.h"
#include "Common/Vulkan/VulkanDebug.h"
#include "base/logging.h"

VkBool32 VKAPI_CALL VulkanDebugReportCallback(VkDebugReportFlagsEXT msgFlags, VkDebugReportObjectTypeEXT objType, uint64_t srcObject, size_t location, int32_t msgCode, const char* pLayerPrefix, const char* pMsg, void *pUserData) {
	const VulkanLogOptions *options = (const VulkanLogOptions *)pUserData;
	std::ostringstream message;

	if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
		message << "ERROR: ";
	} else if (msgFlags & VK_DEBUG_REPORT_WARNING_BIT_EXT) {
		message << "WARNING: ";
	} else if (msgFlags & VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT) {
		message << "PERFORMANCE WARNING: ";
	} else if (msgFlags & VK_DEBUG_REPORT_INFORMATION_BIT_EXT) {
		message << "INFO: ";
	} else if (msgFlags & VK_DEBUG_REPORT_DEBUG_BIT_EXT) {
		message << "DEBUG: ";
	}
	message << "[" << pLayerPrefix << "] " << VulkanObjTypeToString(objType) << " Code " << msgCode << " : " << pMsg << "\n";

	if (msgCode == 64)  // Another useless perf warning that will be seen less and less as we optimize -  vkCmdClearAttachments() issued on command buffer object 0x00000195296C6D40 prior to any Draw Cmds. It is recommended you use RenderPass LOAD_OP_CLEAR on Attachments prior to any Draw.
		return false;
	if (msgCode == 5)
		return false;  // Not exactly a false positive, see https://github.com/KhronosGroup/glslang/issues/1418
#ifdef _WIN32
	std::string msg = message.str();
	OutputDebugStringA(msg.c_str());
	if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
		if (options->breakOnError && IsDebuggerPresent()) {
			DebugBreak();
		}
		if (options->msgBoxOnError) {
			MessageBoxA(NULL, message.str().c_str(), "Alert", MB_OK);
		}
	} else if (msgFlags & VK_DEBUG_REPORT_WARNING_BIT_EXT) {
		if (options->breakOnWarning && IsDebuggerPresent()) {
			DebugBreak();
		}
	}
#else
	ILOG("%s", message.str().c_str());
#endif

	// false indicates that layer should not bail-out of an
	// API call that had validation failures. This may mean that the
	// app dies inside the driver due to invalid parameter(s).
	// That's what would happen without validation layers, so we'll
	// keep that behavior here.
	return false;
}

VkBool32 VKAPI_CALL VulkanDebugUtilsCallback(
	VkDebugUtilsMessageSeverityFlagBitsEXT           messageSeverity,
	VkDebugUtilsMessageTypeFlagsEXT                  messageType,
	const VkDebugUtilsMessengerCallbackDataEXT*      pCallbackData,
	void*                                            pUserData) {
	const VulkanLogOptions *options = (const VulkanLogOptions *)pUserData;
	std::ostringstream message;

	const char *pMessage = pCallbackData->pMessage;

	// Apparent bugs around timestamp validation in the validation layers
	if (strstr(pMessage, "vkCmdBeginQuery(): VkQueryPool"))
		return false;
	if (strstr(pMessage, "vkGetQueryPoolResults() on VkQueryPool"))
		return false;

	int messageCode = pCallbackData->messageIdNumber;
	const char *pLayerPrefix = "";
	if (messageSeverity & VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT) {
		message << "ERROR(";
	} else if (messageSeverity & VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT) {
		message << "WARNING(";
	} else if (messageSeverity & VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT) {
		message << "INFO(";
	} else if (messageSeverity & VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT) {
		message << "VERBOSE(";
	}

	if (messageType & VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT) {
		message << "perf";
	} else if (messageType & VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT) {
		message << "general";
	} else if (messageType & VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT) {
		message << "validation";
	}
	message << ":" << pCallbackData->messageIdNumber << ") " << pMessage << "\n";

#ifdef _WIN32
	std::string msg = message.str();
	OutputDebugStringA(msg.c_str());
	if (messageSeverity & VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT) {
		if (options->breakOnError && IsDebuggerPresent()) {
			DebugBreak();
		}
		if (options->msgBoxOnError) {
			MessageBoxA(NULL, pMessage, "Alert", MB_OK);
		}
	} else if (messageSeverity & VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT) {
		// Don't break on perf warnings for now, even with a debugger. We log them at least.
		if (options->breakOnWarning && IsDebuggerPresent() && 0 == (messageType & VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT)) {
			DebugBreak();
		}
	}
#endif

	// false indicates that layer should not bail-out of an
	// API call that had validation failures. This may mean that the
	// app dies inside the driver due to invalid parameter(s).
	// That's what would happen without validation layers, so we'll
	// keep that behavior here.
	return false;
}