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update dear imgui from 1.92.2b-docking to 1.92.6-docking

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This commit is contained in:
Sven Balzer
2026-04-01 18:20:04 +02:00
parent 3b7d593f4e
commit 1daf4d79f1
127 changed files with 10702 additions and 3505 deletions
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libs/imgui/examples/example_win32_vulkan/main.cpp
+35 -24
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@@ -1,4 +1,4 @@
// Dear ImGui: standalone example application for Win32 + Vulkan
// Dear ImGui: standalone example application for Windows API + Vulkan
// Learn about Dear ImGui:
// - FAQ https://dearimgui.com/faq
@@ -190,7 +190,7 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
pool_info.maxSets = 0;
for (VkDescriptorPoolSize& pool_size : pool_sizes)
pool_info.maxSets += pool_size.descriptorCount;
pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
pool_info.poolSizeCount = (uint32_t)IM_COUNTOF(pool_sizes);
pool_info.pPoolSizes = pool_sizes;
err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
check_vk_result(err);
@@ -201,11 +201,9 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
// Your real engine/app may not use them.
static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height)
{
wd->Surface = surface;
// Check for WSI support
VkBool32 res;
vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res);
vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, surface, &res);
if (res != VK_TRUE)
{
fprintf(stderr, "Error no WSI support on physical device 0\n");
@@ -215,7 +213,8 @@ static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface
// 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);
wd->Surface = surface;
wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_COUNTOF(requestSurfaceImageFormat), requestSurfaceColorSpace);
// Select Present Mode
#ifdef APP_USE_UNLIMITED_FRAME_RATE
@@ -223,12 +222,12 @@ static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface
#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));
wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_COUNTOF(present_modes));
//printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode);
// Create SwapChain, RenderPass, Framebuffer, etc.
IM_ASSERT(g_MinImageCount >= 2);
ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount);
ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount, 0);
}
static void CleanupVulkan()
@@ -245,9 +244,10 @@ static void CleanupVulkan()
vkDestroyInstance(g_Instance, g_Allocator);
}
static void CleanupVulkanWindow()
static void CleanupVulkanWindow(ImGui_ImplVulkanH_Window* wd)
{
ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator);
ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, wd, g_Allocator);
vkDestroySurfaceKHR(g_Instance, wd->Surface, g_Allocator);
}
static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data)
@@ -352,11 +352,14 @@ static int ImGui_ImplWin32_CreateVkSurface(ImGuiViewport* viewport, ImU64 vk_ins
// Main code
int main(int, char**)
{
// Make process DPI aware and obtain main monitor scale
ImGui_ImplWin32_EnableDpiAwareness();
float main_scale = ImGui_ImplWin32_GetDpiScaleForMonitor(::MonitorFromPoint(POINT{ 0, 0 }, MONITOR_DEFAULTTOPRIMARY));
// Create application window
//ImGui_ImplWin32_EnableDpiAwareness();
WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr };
::RegisterClassExW(&wc);
HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+Vulkan Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr);
HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+Vulkan Example", WS_OVERLAPPEDWINDOW, 100, 100, (int)(1280 * main_scale), (int)(800 * main_scale), nullptr, nullptr, wc.hInstance, nullptr);
ImVector<const char*> extensions;
extensions.push_back("VK_KHR_surface");
@@ -379,7 +382,7 @@ int main(int, char**)
// Show the window
// FIXME: Retrieve client size from window itself.
ImGui_ImplVulkanH_Window* wd = &g_MainWindowData;
SetupVulkanWindow(wd, surface, 1280, 800);
SetupVulkanWindow(wd, surface, (int)(1280 * main_scale), (int)(800 * main_scale));
::ShowWindow(hwnd, SW_SHOWDEFAULT);
::UpdateWindow(hwnd);
@@ -398,8 +401,14 @@ int main(int, char**)
ImGui::StyleColorsDark();
//ImGui::StyleColorsLight();
// When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
// Setup scaling
ImGuiStyle& style = ImGui::GetStyle();
style.ScaleAllSizes(main_scale); // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
style.FontScaleDpi = main_scale; // Set initial font scale. (in docking branch: using io.ConfigDpiScaleFonts=true automatically overrides this for every window depending on the current monitor)
io.ConfigDpiScaleFonts = true; // [Experimental] Automatically overwrite style.FontScaleDpi in Begin() when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
io.ConfigDpiScaleViewports = true; // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
// When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{
style.WindowRounding = 0.0f;
@@ -419,24 +428,26 @@ int main(int, char**)
init_info.Queue = g_Queue;
init_info.PipelineCache = g_PipelineCache;
init_info.DescriptorPool = g_DescriptorPool;
init_info.RenderPass = wd->RenderPass;
init_info.Subpass = 0;
init_info.MinImageCount = g_MinImageCount;
init_info.ImageCount = wd->ImageCount;
init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
init_info.Allocator = g_Allocator;
init_info.PipelineInfoMain.RenderPass = wd->RenderPass;
init_info.PipelineInfoMain.Subpass = 0;
init_info.PipelineInfoMain.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
init_info.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&init_info);
// Load Fonts
// - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
// - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
// - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
// - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering.
// - If fonts are not explicitly loaded, Dear ImGui will select an embedded font: either AddFontDefaultVector() or AddFontDefaultBitmap().
// This selection is based on (style.FontSizeBase * style.FontScaleMain * style.FontScaleDpi) reaching a small threshold.
// - You can load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
// - If a file cannot be loaded, AddFont functions will return a nullptr. Please handle those errors in your code (e.g. use an assertion, display an error and quit).
// - Read 'docs/FONTS.md' for more instructions and details.
// - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use FreeType for higher quality font rendering.
// - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
//style.FontSizeBase = 20.0f;
//io.Fonts->AddFontDefault();
//io.Fonts->AddFontDefaultVector();
//io.Fonts->AddFontDefaultBitmap();
//io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf");
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf");
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf");
@@ -538,7 +549,7 @@ int main(int, char**)
ImGui_ImplWin32_Shutdown();
ImGui::DestroyContext();
CleanupVulkanWindow();
CleanupVulkanWindow(&g_MainWindowData);
CleanupVulkan();
::DestroyWindow(hwnd);
@@ -573,7 +584,7 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
if (fb_width > 0 && fb_height > 0 && (g_SwapChainRebuild || g_MainWindowData.Width != fb_width || g_MainWindowData.Height != fb_height))
{
ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount);
ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, fb_width, fb_height, g_MinImageCount);
ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, fb_width, fb_height, g_MinImageCount, 0);
g_MainWindowData.FrameIndex = 0;
g_SwapChainRebuild = false;
}