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* Support SystemVerilog `` extension for macrosJim Paris2018-05-171-1/+5
* Skip spaces around macro argumentsJim Paris2018-05-171-0/+1
* Add support for "yosys -E"Clifford Wolf2018-01-071-2/+4
* Accommodate Windows-style paths during include-file processing.William D. Jones2017-11-141-4/+20
* Minor coding style fixClifford Wolf2017-09-261-1/+1
* Adding support for string macros and macros with arguments after includecombinatorylogic2017-09-211-41/+69
* Add support for `resetall compiler directiveClifford Wolf2017-04-261-0/+7
* Fix verilog pre-processor for multi-level relative includesClifford Wolf2017-03-141-4/+26
* Added support for macros as include file namesClifford Wolf2016-11-281-0/+2
* Remember global declarations and defines accross read_verilog callsClifford Wolf2016-11-151-1/+14
* SystemVerilog also has assume(), added implicit -D FORMALClifford Wolf2015-10-131-1/+2
* Fixed trailing whitespacesClifford Wolf2015-07-021-3/+3
* Fixed handling of "//" in filenames in verilog pre-processorClifford Wolf2015-02-141-1/+1
* Define YOSYS and SYNTHESIS in preprocClifford Wolf2015-01-021-1/+2
* Re-introduced Yosys::readsome() helper functionClifford Wolf2014-10-231-5/+3
* Replaced readsome() with read() and gcount()Clifford Wolf2014-10-151-3/+5
* Fixed win32 troubles with f.readsome()Clifford Wolf2014-10-111-1/+1
* Added format __attribute__ to stringf()Clifford Wolf2014-10-101-1/+1
* Changed frontend-api from FILE to std::istreamClifford Wolf2014-08-231-15/+16
* Fixed line numbers when using here-doc macrosClifford Wolf2014-08-141-4/+9
* Added support for non-standard """ macro bodiesClifford Wolf2014-08-131-1/+12
* Moved some stuff to kernel/yosys.{h,cc}, using Yosys:: namespaceClifford Wolf2014-07-311-0/+4
* Fixed counting verilog line numbers for "// synopsys translate_off" sectionsClifford Wolf2014-07-301-1/+1
* Fixed Verilog pre-processor for files with no trailing newlineClifford Wolf2014-07-291-1/+1
* Using log_assert() instead of assert()Clifford Wolf2014-07-281-2/+1
* Added Verilog support for "`default_nettype none"Clifford Wolf2014-02-171-1/+0
* Fixed parsing of verilog macros at end of lineClifford Wolf2014-01-181-1/+1
* Fixed parsing of non-arg macro calls followed by "("Clifford Wolf2013-12-271-1/+7
* Fixed parsing of macros with no arguments and expansion text starting with "("Clifford Wolf2013-12-271-1/+2
* Added elsif preproc supportClifford Wolf2013-12-181-1/+14
* Added support for macro argumentsClifford Wolf2013-12-181-23/+75
* Fixed O(n^2) performance bug in verilog preprocessorClifford Wolf2013-11-221-1/+1
* Enable {* .. *} feature per default (removes dependency to REJECT feature in ...Clifford Wolf2013-11-221-11/+0
* Added support for include directories with the new '-I' argument of theJohann Glaser2013-08-201-2/+12
* added option '-Dname[=definition]' to command 'read_verilog'Johann Glaser2013-05-191-2/+2
* initial importClifford Wolf2013-01-051-0/+360
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-31 15:01:49 +0000
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// dear imgui: standalone example application for Glfw + 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_glfw.h"
#include "imgui_impl_vulkan.h"
#include <stdio.h>          // printf, fprintf
#include <stdlib.h>         // abort
#define GLFW_INCLUDE_NONE
#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>
#include <vulkan/vulkan.h>

//#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 bool                         g_ResizeWanted = false;
static int                          g_ResizeWidth = 0, g_ResizeHeight = 0;

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);