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Backends: Vulkan: Added convenience support for Volk via IMGUI_IMPL_VULKAN_USE_VOLK define. (#6582, #4854)
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@ -33,6 +33,7 @@
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2024-04-19: Vulkan: Added convenience support for Volk via IMGUI_IMPL_VULKAN_USE_VOLK define (you can also use IMGUI_IMPL_VULKAN_NO_PROTOTYPES + wrap Volk via ImGui_ImplVulkan_LoadFunctions().)
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// 2024-02-14: *BREAKING CHANGE*: Moved RenderPass parameter from ImGui_ImplVulkan_Init() function to ImGui_ImplVulkan_InitInfo structure. Not required when using dynamic rendering.
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// 2024-02-12: *BREAKING CHANGE*: Dynamic rendering now require filling PipelineRenderingCreateInfo structure.
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// 2024-01-19: Vulkan: Fixed vkAcquireNextImageKHR() validation errors in VulkanSDK 1.3.275 by allocating one extra semaphore than in-flight frames. (#7236)
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@ -108,12 +109,13 @@ void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_devi
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// Vulkan prototypes for use with custom loaders
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// (see description of IMGUI_IMPL_VULKAN_NO_PROTOTYPES in imgui_impl_vulkan.h
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#ifdef VK_NO_PROTOTYPES
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#if defined(VK_NO_PROTOTYPES) && !defined(VOLK_H_)
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#define IMGUI_IMPL_VULKAN_USE_LOADER
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static bool g_FunctionsLoaded = false;
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#else
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static bool g_FunctionsLoaded = true;
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#endif
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#ifdef VK_NO_PROTOTYPES
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#ifdef IMGUI_IMPL_VULKAN_USE_LOADER
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#define IMGUI_VULKAN_FUNC_MAP(IMGUI_VULKAN_FUNC_MAP_MACRO) \
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IMGUI_VULKAN_FUNC_MAP_MACRO(vkAllocateCommandBuffers) \
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IMGUI_VULKAN_FUNC_MAP_MACRO(vkAllocateDescriptorSets) \
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@ -184,7 +186,7 @@ static bool g_FunctionsLoaded = true;
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#define IMGUI_VULKAN_FUNC_DEF(func) static PFN_##func func;
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IMGUI_VULKAN_FUNC_MAP(IMGUI_VULKAN_FUNC_DEF)
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#undef IMGUI_VULKAN_FUNC_DEF
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#endif // VK_NO_PROTOTYPES
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#endif // IMGUI_IMPL_VULKAN_USE_LOADER
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#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
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static PFN_vkCmdBeginRenderingKHR ImGuiImplVulkanFuncs_vkCmdBeginRenderingKHR;
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@ -1048,8 +1050,8 @@ bool ImGui_ImplVulkan_LoadFunctions(PFN_vkVoidFunction(*loader_func)(const ch
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// Load function pointers
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// You can use the default Vulkan loader using:
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// ImGui_ImplVulkan_LoadFunctions([](const char* function_name, void*) { return vkGetInstanceProcAddr(your_vk_isntance, function_name); });
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// But this would be equivalent to not setting VK_NO_PROTOTYPES.
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#ifdef VK_NO_PROTOTYPES
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// But this would be roughly equivalent to not setting VK_NO_PROTOTYPES.
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#ifdef IMGUI_IMPL_VULKAN_USE_LOADER
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#define IMGUI_VULKAN_FUNC_LOAD(func) \
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func = reinterpret_cast<decltype(func)>(loader_func(#func, user_data)); \
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if (func == nullptr) \
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@ -1078,7 +1080,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info)
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if (info->UseDynamicRendering)
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{
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#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
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#ifndef VK_NO_PROTOTYPES
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#ifndef IMGUI_IMPL_VULKAN_USE_LOADER
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ImGuiImplVulkanFuncs_vkCmdBeginRenderingKHR = reinterpret_cast<PFN_vkCmdBeginRenderingKHR>(vkGetInstanceProcAddr(info->Instance, "vkCmdBeginRenderingKHR"));
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ImGuiImplVulkanFuncs_vkCmdEndRenderingKHR = reinterpret_cast<PFN_vkCmdEndRenderingKHR>(vkGetInstanceProcAddr(info->Instance, "vkCmdEndRenderingKHR"));
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#endif
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@ -42,13 +42,20 @@
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// If you have no idea what this is, leave it alone!
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//#define IMGUI_IMPL_VULKAN_NO_PROTOTYPES
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// Vulkan includes
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// Convenience support for Volk
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// (you can also technically use IMGUI_IMPL_VULKAN_NO_PROTOTYPES + wrap Volk via ImGui_ImplVulkan_LoadFunctions().)
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//#define IMGUI_IMPL_VULKAN_USE_VOLK
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#if defined(IMGUI_IMPL_VULKAN_NO_PROTOTYPES) && !defined(VK_NO_PROTOTYPES)
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#define VK_NO_PROTOTYPES
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#endif
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#if defined(VK_USE_PLATFORM_WIN32_KHR) && !defined(NOMINMAX)
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#define NOMINMAX
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#include <vulkan/vulkan.h>
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#endif
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// Vulkan includes
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#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
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#include <Volk/volk.h>
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#else
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#include <vulkan/vulkan.h>
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#endif
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@ -66,8 +66,12 @@ Other changes:
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mitigitate issues with reading vertex indexing limits with 16-bit indices. (#7496, #5720)
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- Backends: OpenGL: Detect ES3 contexts on desktop based on version string,
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to e.g. avoid calling glPolygonMode() on them. (#7447) [@afraidofdark, @ocornut]
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- Backends: Vulkan: Added convenience support for Volk via IMGUI_IMPL_VULKAN_USE_VOLK define.
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(you could always use IMGUI_IMPL_VULKAN_NO_PROTOTYPES + ImGui_ImplVulkan_LoadFunctions() as well).
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(#6582, #4854) [@adalsteinnh, @kennyalive, @ocornut]
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- Backends: SDL3: Fixed text inputs. Re-enable calling SDL_StartTextInput()/SDL_StopTextInput()
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as SDL3 no longer enables it by default. (#7452, #6306, #6071, #1953) [@Green-Sky]
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- Examples: GLFW+Vulkan, SDL+Vulkan: Added optional support for Volk. (#6582, #4854)
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- Examples: GLFW+WebGPU: Added support for WebGPU-native/Dawn (#7435, #7132) [@eliasdaler, @Zelif]
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- Examples: GLFW+WebGPU: Renamed example_emscripten_wgpu/ to example_glfw_wgpu/. (#7435, #7132)
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@ -21,8 +21,12 @@
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#define GLFW_INCLUDE_NONE
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#define GLFW_INCLUDE_VULKAN
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#include <GLFW/glfw3.h>
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#include <vulkan/vulkan.h>
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//#include <vulkan/vulkan_beta.h>
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// Volk headers
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#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
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#define VOLK_IMPLEMENTATION
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#include <Volk/volk.h>
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#endif
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// [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers.
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// To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma.
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@ -113,6 +117,9 @@ static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice()
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static void SetupVulkan(ImVector<const char*> instance_extensions)
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{
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VkResult err;
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#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
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volkInitialize();
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#endif
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// Create Vulkan Instance
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{
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@ -151,17 +158,20 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
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create_info.ppEnabledExtensionNames = instance_extensions.Data;
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err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
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check_vk_result(err);
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#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
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volkLoadInstance(g_Instance);
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#endif
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// Setup the debug report callback
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#ifdef APP_USE_VULKAN_DEBUG_REPORT
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auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
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IM_ASSERT(vkCreateDebugReportCallbackEXT != nullptr);
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auto f_vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
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IM_ASSERT(f_vkCreateDebugReportCallbackEXT != nullptr);
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VkDebugReportCallbackCreateInfoEXT debug_report_ci = {};
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debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
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debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
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debug_report_ci.pfnCallback = debug_report;
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debug_report_ci.pUserData = nullptr;
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err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
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err = f_vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
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check_vk_result(err);
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#endif
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}
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@ -277,8 +287,8 @@ static void CleanupVulkan()
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#ifdef APP_USE_VULKAN_DEBUG_REPORT
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// Remove the debug report callback
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auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
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vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
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auto f_vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
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f_vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
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#endif // APP_USE_VULKAN_DEBUG_REPORT
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vkDestroyDevice(g_Device, g_Allocator);
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@ -20,8 +20,12 @@
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#include <stdlib.h> // abort
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#include <SDL.h>
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#include <SDL_vulkan.h>
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#include <vulkan/vulkan.h>
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//#include <vulkan/vulkan_beta.h>
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// Volk headers
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#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
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#define VOLK_IMPLEMENTATION
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#include <Volk/volk.h>
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#endif
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//#define APP_USE_UNLIMITED_FRAME_RATE
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#ifdef _DEBUG
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@ -101,6 +105,9 @@ static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice()
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static void SetupVulkan(ImVector<const char*> instance_extensions)
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{
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VkResult err;
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#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
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volkInitialize();
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#endif
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// Create Vulkan Instance
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{
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@ -139,17 +146,20 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
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create_info.ppEnabledExtensionNames = instance_extensions.Data;
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err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
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check_vk_result(err);
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#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
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volkLoadInstance(g_Instance);
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#endif
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// Setup the debug report callback
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#ifdef APP_USE_VULKAN_DEBUG_REPORT
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auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
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IM_ASSERT(vkCreateDebugReportCallbackEXT != nullptr);
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auto f_vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
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IM_ASSERT(f_vkCreateDebugReportCallbackEXT != nullptr);
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VkDebugReportCallbackCreateInfoEXT debug_report_ci = {};
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debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
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debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
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debug_report_ci.pfnCallback = debug_report;
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debug_report_ci.pUserData = nullptr;
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err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
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err = f_vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
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check_vk_result(err);
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#endif
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}
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@ -265,8 +275,8 @@ static void CleanupVulkan()
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#ifdef APP_USE_VULKAN_DEBUG_REPORT
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// Remove the debug report callback
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auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
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vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
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auto f_vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
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f_vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
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#endif // APP_USE_VULKAN_DEBUG_REPORT
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vkDestroyDevice(g_Device, g_Allocator);
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