// dear imgui: standalone example application for SDL2 + Vulkan // If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. #include "imgui.h" #include "imgui_impl_sdl.h" #include "imgui_impl_vulkan.h" #include // printf, fprintf #include // abort #include #include #include //#define IMGUI_UNLIMITED_FRAME_RATE #ifdef _DEBUG #define IMGUI_VULKAN_DEBUG_REPORT #endif static VkAllocationCallbacks* g_Allocator = NULL; static VkInstance g_Instance = VK_NULL_HANDLE; static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; static VkDevice g_Device = VK_NULL_HANDLE; static uint32_t g_QueueFamily = (uint32_t)-1; static VkQueue g_Queue = VK_NULL_HANDLE; static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; static ImGui_ImplVulkanH_WindowData g_WindowData; static void check_vk_result(VkResult err) { if (err == 0) return; printf("VkResult %d\n", err); if (err < 0) abort(); } #ifdef IMGUI_VULKAN_DEBUG_REPORT static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData) { (void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments fprintf(stderr, "[vulkan] ObjectType: %i\nMessage: %s\n\n", objectType, pMessage); return VK_FALSE; } #endif // IMGUI_VULKAN_DEBUG_REPORT static void SetupVulkan(const char** extensions, uint32_t extensions_count) { VkResult err; // Create Vulkan Instance { VkInstanceCreateInfo create_info = {}; create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; create_info.enabledExtensionCount = extensions_count; create_info.ppEnabledExtensionNames = extensions; #ifdef IMGUI_VULKAN_DEBUG_REPORT // Enabling multiple validation layers grouped as LunarG standard validation const char* layers[] = { "VK_LAYER_LUNARG_standard_validation" }; create_info.enabledLayerCount = 1; create_info.ppEnabledLayerNames = layers; // Enable debug report extension (we need additional storage, so we duplicate the user array to add our new extension to it) const char** extensions_ext = (const char**)malloc(sizeof(const char*) * (extensions_count + 1)); memcpy(extensions_ext, extensions, extensions_count * sizeof(const char*)); extensions_ext[extensions_count] = "VK_EXT_debug_report"; create_info.enabledExtensionCount = extensions_count + 1; create_info.ppEnabledExtensionNames = extensions_ext; // Create Vulkan Instance err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); check_vk_result(err); free(extensions_ext); // Get the function pointer (required for any extensions) auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT"); IM_ASSERT(vkCreateDebugReportCallbackEXT != NULL); // Setup the debug report callback VkDebugReportCallbackCreateInfoEXT debug_report_ci = {}; debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT; debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT; debug_report_ci.pfnCallback = debug_report; debug_report_ci.pUserData = NULL; err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport); check_vk_result(err); #else // Create Vulkan Instance without any debug feature err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); check_vk_result(err); #endif } // Select GPU { uint32_t gpu_count; err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL); check_vk_result(err); VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count); err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus); check_vk_result(err); // If a number >1 of GPUs got reported, you should find the best fit GPU for your purpose // e.g. VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU if available, or with the greatest memory available, etc. // for sake of simplicity we'll just take the first one, assuming it has a graphics queue family. g_PhysicalDevice = gpus[0]; free(gpus); } // Select graphics queue family { uint32_t count; vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, NULL); VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count); vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues); for (uint32_t i = 0; i < count; i++) if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) { g_QueueFamily = i; break; } free(queues); IM_ASSERT(g_QueueFamily != -1); } // Create Logical Device (with 1 queue) { int device_extension_count = 1; const char* device_extensions[] = { "VK_KHR_swapchain" }; const float queue_priority[] = { 1.0f }; VkDeviceQueueCreateInfo queue_info[1] = {}; queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; queue_info[0].queueFamilyIndex = g_QueueFamily; queue_info[0].queueCount = 1; queue_info[0].pQueuePriorities = queue_priority; VkDeviceCreateInfo create_info = {}; create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]); create_info.pQueueCreateInfos = queue_info; create_info.enabledExtensionCount = device_extension_count; create_info.ppEnabledExtensionNames = device_extensions; err = vkCreateDevice(g_PhysicalDevice, &create_info, g_Allocator, &g_Device); check_vk_result(err); vkGetDeviceQueue(g_Device, g_QueueFamily, 0, &g_Queue); } // Create Descriptor Pool { VkDescriptorPoolSize pool_sizes[] = { { VK_DESCRIPTOR_TYPE_SAMPLER, 1000 }, { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 }, { VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 }, { VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 }, { VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 }, { VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 }, { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 }, { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 }, { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 }, { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 }, { VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 } }; VkDescriptorPoolCreateInfo pool_info = {}; pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes); pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes); pool_info.pPoolSizes = pool_sizes; err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool); check_vk_result(err); } } static void SetupVulkanWindowData(ImGui_ImplVulkanH_WindowData* wd, VkSurfaceKHR surface, int width, int height) { wd->Surface = surface; // Check for WSI support VkBool32 res; vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res); if (res != VK_TRUE) { fprintf(stderr, "Error no WSI support on physical device 0\n"); exit(-1); } // Select Surface Format const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM }; const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace); // Select Present Mode #ifdef IMGUI_UNLIMITED_FRAME_RATE VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR }; #else VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR }; #endif wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes)); //printf("[v
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of a Qt Solutions component.
**
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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#include <QApplication>
#include <QSpinBox>
#include <QDialogButtonBox>
#include <QLineEdit>
#include <QDialog>
#include <QComboBox>
#include <QToolButton>
#include <QPushButton>
#include <QBoxLayout>
#include <QTreeWidget>
#include <QAction>
#include <QDesktopWidget>
#include <QTextDocument>
#include <QCalendarWidget>
#include <QTimeLine>
#include "objectcontroller.h"

class MyController : public QDialog
{
    Q_OBJECT
public:
    MyController(QWidget *parent = 0);
    ~MyController();
private slots:
    void createAndControl();
private:
    QComboBox *theClassCombo;
    ObjectController *theController;
    QStringList theClassNames;
    QObject *theControlledObject;
};

MyController::MyController(QWidget *parent)
    : QDialog(parent), theControlledObject(0)
{
    theClassCombo = new QComboBox(this);
    QToolButton *button = new QToolButton(this);
    theController = new ObjectController(this);
    QDialogButtonBox *buttonBox = new QDialogButtonBox(this);

    connect(button, SIGNAL(clicked()), this, SLOT(createAndControl()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

    button->setText(tr("Create And Control"));
    buttonBox->setStandardButtons(QDialogButtonBox::Close);

    QVBoxLayout *layout = new QVBoxLayout(this);
    QHBoxLayout *internalLayout = new QHBoxLayout();
    internalLayout->addWidget(theClassCombo);
    internalLayout->addWidget(button);
    layout->addLayout(internalLayout);
    layout->addWidget(theController);
    layout->addWidget(buttonBox);

    theClassNames.append(QLatin1String("QWidget"));
    theClassNames.append(QLatin1String("QPushButton"));
    theClassNames.append(QLatin1String("QDialogButtonBox"));
    theClassNames.append(QLatin1String("QTreeWidget"));
    theClassNames.append(QLatin1String("QCalendarWidget"));
    theClassNames.append(QLatin1String("QAction"));
    theClassNames.append(QLatin1String("QTimeLine"));
    theClassNames.append(QLatin1String("QTextDocument"));

    theClassCombo->addItems(theClassNames);
}

MyController::~MyController()
{
    if (theControlledObject)
        delete theControlledObject;
}

void MyController::createAndControl()
{
    QObject *newObject = 0;
    QString className = theClassNames.at(theClassCombo->currentIndex());
    if (className == QLatin1String("QWidget"))
        newObject = new QWidget();
    else if (className == QLatin1String("QPushButton"))
        newObject = new QPushButton();
    else if (className == QLatin1String("QDialogButtonBox"))
        newObject = new QDialogButtonBox();
    else if (className == QLatin1String("QTreeWidget"))
        newObject = new QTreeWidget();
    else if (className == QLatin1String("QCalendarWidget"))
        newObject = new QCalendarWidget();
    else if (className == QLatin1String("QAction"))
        newObject = new QAction(0);
    else if (className == QLatin1String("QTimeLine"))
        newObject = new QTimeLine();
    else if (className == QLatin1String("QTextDocument"))
        newObject = new QTextDocument();

    if (!newObject)
        return;

    QWidget *newWidget = qobject_cast<QWidget *>(newObject);
    if (newWidget) {
        QRect r = newWidget->geometry();
        r.setSize(newWidget->sizeHint());
        r.setWidth(qMax(r.width(), 150));
        r.setHeight(qMax(r.height(), 50));
        r.moveCenter(QApplication::desktop()->geometry().center());
        newWidget->setGeometry(r);
        newWidget->setWindowTitle(tr("Controlled Object: %1").arg(className));
        newWidget->show();
    }

    if (theControlledObject)
        delete theControlledObject;

    theControlledObject = newObject;
    theController->setObject(theControlledObject);
}

int main(int argc, char **argv)
{
    QApplication app(argc, argv);

    MyController *controller = new MyController();
    controller->show();

    int ret = app.exec();

    return ret;
}

#include "main.moc"
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