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Switched to imgui fork https://github.com/thedmd/imgui/commits/feature/docking-layout-external/ commit 899d85eb9489796f73a4dc67ad86892729707ce9

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This commit is contained in:
Martin Felis
2025-02-16 17:15:41 +01:00
parent 589b45554f
commit a467715ce3
99 changed files with 6273 additions and 8344 deletions
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3rdparty/imgui/examples/example_android_opengl3/android/app/src/main/AndroidManifest.xml
Vendored
+1 -1
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@@ -11,7 +11,7 @@
android:name="imgui.example.android.MainActivity"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
android:configChanges="orientation|keyboardHidden|screenSize"
android:exported="true">
android:exported="false">
<meta-data android:name="android.app.lib_name"
android:value="ImGuiExample" />
3rdparty/imgui/examples/example_android_opengl3/main.cpp
Vendored
+1 -1
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@@ -68,7 +68,7 @@ void android_main(struct android_app* app)
struct android_poll_source* out_data;
// Poll all events. If the app is not visible, this loop blocks until g_Initialized == true.
while (ALooper_pollOnce(g_Initialized ? 0 : -1, nullptr, &out_events, (void**)&out_data) >= 0)
while (ALooper_pollAll(g_Initialized ? 0 : -1, nullptr, &out_events, (void**)&out_data) >= 0)
{
// Process one event
if (out_data != nullptr)
3rdparty/imgui/examples/example_glfw_opengl2/main.cpp
Vendored
-5
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@@ -103,11 +103,6 @@ int main(int, char**)
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
glfwPollEvents();
if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0)
{
ImGui_ImplGlfw_Sleep(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL2_NewFrame();
3rdparty/imgui/examples/example_glfw_opengl3/Makefile.emscripten
Vendored
-3
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@@ -35,9 +35,6 @@ EMS =
EMS += -s DISABLE_EXCEPTION_CATCHING=1
LDFLAGS += -s USE_GLFW=3 -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
# Build as single file (binary text encoded in .html file)
#LDFLAGS += -sSINGLE_FILE
# Uncomment next line to fix possible rendering bugs with Emscripten version older then 1.39.0 (https://github.com/ocornut/imgui/issues/2877)
#EMS += -s BINARYEN_TRAP_MODE=clamp
#EMS += -s SAFE_HEAP=1 ## Adds overhead
3rdparty/imgui/examples/example_glfw_opengl3/main.cpp
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+1 -12
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@@ -43,17 +43,11 @@ int main(int, char**)
// Decide GL+GLSL versions
#if defined(IMGUI_IMPL_OPENGL_ES2)
// GL ES 2.0 + GLSL 100 (WebGL 1.0)
// GL ES 2.0 + GLSL 100
const char* glsl_version = "#version 100";
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
#elif defined(IMGUI_IMPL_OPENGL_ES3)
// GL ES 3.0 + GLSL 300 es (WebGL 2.0)
const char* glsl_version = "#version 300 es";
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
#elif defined(__APPLE__)
// GL 3.2 + GLSL 150
const char* glsl_version = "#version 150";
@@ -145,11 +139,6 @@ int main(int, char**)
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
glfwPollEvents();
if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0)
{
ImGui_ImplGlfw_Sleep(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL3_NewFrame();
3rdparty/imgui/examples/example_glfw_vulkan/CMakeLists.txt
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+1 -1
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@@ -42,4 +42,4 @@ file(GLOB sources *.cpp)
add_executable(example_glfw_vulkan ${sources} ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp ${IMGUI_DIR}/backends/imgui_impl_vulkan.cpp ${IMGUI_DIR}/imgui.cpp ${IMGUI_DIR}/imgui_draw.cpp ${IMGUI_DIR}/imgui_demo.cpp ${IMGUI_DIR}/imgui_tables.cpp ${IMGUI_DIR}/imgui_widgets.cpp)
target_link_libraries(example_glfw_vulkan ${LIBRARIES})
target_compile_definitions(example_glfw_vulkan PUBLIC -DImTextureID=ImU64)
3rdparty/imgui/examples/example_glfw_vulkan/build_win32.bat
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+2 -2
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@@ -7,8 +7,8 @@
@set OUT_DIR=Debug
mkdir %OUT_DIR%
cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
@set OUT_DIR=Release
mkdir %OUT_DIR%
cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
3rdparty/imgui/examples/example_glfw_vulkan/build_win64.bat
Vendored
+3 -4
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@@ -1,14 +1,13 @@
@REM Build for Visual Studio compiler. Run your copy of vcvars64.bat or vcvarsall.bat to setup 64-bit command-line compiler.
@REM Build for Visual Studio compiler. Run your copy of amd64/vcvars32.bat to setup 64-bit command-line compiler.
@set OUT_EXE=example_glfw_vulkan
@set INCLUDES=/I..\.. /I..\..\backends /I..\libs\glfw\include /I %VULKAN_SDK%\include
@set SOURCES=main.cpp ..\..\backends\imgui_impl_vulkan.cpp ..\..\backends\imgui_impl_glfw.cpp ..\..\imgui*.cpp
@set LIBS=/LIBPATH:..\libs\glfw\lib-vc2010-64 /libpath:%VULKAN_SDK%\lib glfw3.lib opengl32.lib gdi32.lib shell32.lib vulkan-1.lib
@set OUT_DIR=Debug
mkdir %OUT_DIR%
cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
@set OUT_DIR=Release
mkdir %OUT_DIR%
cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
3rdparty/imgui/examples/example_glfw_vulkan/example_glfw_vulkan.vcxproj
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+4 -4
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@@ -91,7 +91,7 @@
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -107,7 +107,7 @@
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -126,7 +126,7 @@
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<BufferSecurityCheck>false</BufferSecurityCheck>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -148,7 +148,7 @@
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<BufferSecurityCheck>false</BufferSecurityCheck>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
3rdparty/imgui/examples/example_glfw_vulkan/main.cpp
Vendored
+59 -23
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@@ -52,7 +52,7 @@ static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE;
static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE;
static ImGui_ImplVulkanH_Window g_MainWindowData;
static uint32_t g_MinImageCount = 2;
static int g_MinImageCount = 2;
static bool g_SwapChainRebuild = false;
static void glfw_error_callback(int error, const char* description)
@@ -61,7 +61,7 @@ static void glfw_error_callback(int error, const char* description)
}
static void check_vk_result(VkResult err)
{
if (err == VK_SUCCESS)
if (err == 0)
return;
fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err);
if (err < 0)
@@ -85,6 +85,35 @@ static bool IsExtensionAvailable(const ImVector<VkExtensionProperties>& properti
return false;
}
static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice()
{
uint32_t gpu_count;
VkResult err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, nullptr);
check_vk_result(err);
IM_ASSERT(gpu_count > 0);
ImVector<VkPhysicalDevice> gpus;
gpus.resize(gpu_count);
err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus.Data);
check_vk_result(err);
// If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers
// most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple
// dedicated GPUs) is out of scope of this sample.
for (VkPhysicalDevice& device : gpus)
{
VkPhysicalDeviceProperties properties;
vkGetPhysicalDeviceProperties(device, &properties);
if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
return device;
}
// Use first GPU (Integrated) is a Discrete one is not available.
if (gpu_count > 0)
return gpus[0];
return VK_NULL_HANDLE;
}
static void SetupVulkan(ImVector<const char*> instance_extensions)
{
VkResult err;
@@ -148,12 +177,23 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
}
// Select Physical Device (GPU)
g_PhysicalDevice = ImGui_ImplVulkanH_SelectPhysicalDevice(g_Instance);
IM_ASSERT(g_PhysicalDevice != VK_NULL_HANDLE);
g_PhysicalDevice = SetupVulkan_SelectPhysicalDevice();
// Select graphics queue family
g_QueueFamily = ImGui_ImplVulkanH_SelectQueueFamilyIndex(g_PhysicalDevice);
IM_ASSERT(g_QueueFamily != (uint32_t)-1);
{
uint32_t count;
vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, nullptr);
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 != (uint32_t)-1);
}
// Create Logical Device (with 1 queue)
{
@@ -189,18 +229,17 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
}
// Create Descriptor Pool
// If you wish to load e.g. additional textures you may need to alter pools sizes and maxSets.
// The example only requires a single combined image sampler descriptor for the font image and only uses one descriptor set (for that)
// If you wish to load e.g. additional textures you may need to alter pools sizes.
{
VkDescriptorPoolSize pool_sizes[] =
{
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, IMGUI_IMPL_VULKAN_MINIMUM_IMAGE_SAMPLER_POOL_SIZE },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 },
};
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 = 0;
for (VkDescriptorPoolSize& pool_size : pool_sizes)
pool_info.maxSets += pool_size.descriptorCount;
pool_info.maxSets = 1;
pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
pool_info.pPoolSizes = pool_sizes;
err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
@@ -263,15 +302,17 @@ static void CleanupVulkanWindow()
static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data)
{
VkResult err;
VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore;
VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
VkResult err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
{
g_SwapChainRebuild = true;
if (err == VK_ERROR_OUT_OF_DATE_KHR)
return;
if (err != VK_SUBOPTIMAL_KHR)
check_vk_result(err);
}
check_vk_result(err);
ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex];
{
@@ -340,11 +381,11 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd)
info.pImageIndices = &wd->FrameIndex;
VkResult err = vkQueuePresentKHR(g_Queue, &info);
if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
{
g_SwapChainRebuild = true;
if (err == VK_ERROR_OUT_OF_DATE_KHR)
return;
if (err != VK_SUBOPTIMAL_KHR)
check_vk_result(err);
}
check_vk_result(err);
wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->SemaphoreCount; // Now we can use the next set of semaphores
}
@@ -465,11 +506,6 @@ int main(int, char**)
g_MainWindowData.FrameIndex = 0;
g_SwapChainRebuild = false;
}
if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0)
{
ImGui_ImplGlfw_Sleep(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplVulkan_NewFrame();
3rdparty/imgui/examples/example_glfw_wgpu/CMakeLists.txt
Vendored
+1 -5
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@@ -79,11 +79,6 @@ add_executable(example_glfw_wgpu
${IMGUI_DIR}/imgui_tables.cpp
${IMGUI_DIR}/imgui_widgets.cpp
)
IF(NOT EMSCRIPTEN)
target_compile_definitions(example_glfw_wgpu PUBLIC
"IMGUI_IMPL_WEBGPU_BACKEND_DAWN"
)
endif()
target_include_directories(example_glfw_wgpu PUBLIC
${IMGUI_DIR}
${IMGUI_DIR}/backends
@@ -96,6 +91,7 @@ if(EMSCRIPTEN)
if("${IMGUI_EMSCRIPTEN_GLFW3}" STREQUAL "--use-port=contrib.glfw3")
target_compile_options(example_glfw_wgpu PUBLIC
"${IMGUI_EMSCRIPTEN_GLFW3}"
"-DEMSCRIPTEN_USE_PORT_CONTRIB_GLFW3" # unnecessary beyond emscripten 3.1.59
)
endif()
message(STATUS "Using ${IMGUI_EMSCRIPTEN_GLFW3} GLFW implementation")
3rdparty/imgui/examples/example_glfw_wgpu/Makefile.emscripten
Vendored
-3
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@@ -36,9 +36,6 @@ EMS += -s DISABLE_EXCEPTION_CATCHING=1
LDFLAGS += -s USE_GLFW=3 -s USE_WEBGPU=1
LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
# Build as single file (binary text encoded in .html file)
#LDFLAGS += -sSINGLE_FILE
# Emscripten allows preloading a file or folder to be accessible at runtime.
# The Makefile for this example project suggests embedding the misc/fonts/ folder into our application, it will then be accessible as "/fonts"
# See documentation for more details: https://emscripten.org/docs/porting/files/packaging_files.html
3rdparty/imgui/examples/example_glfw_wgpu/main.cpp
Vendored
-5
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@@ -152,11 +152,6 @@ int main(int, char**)
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
glfwPollEvents();
if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0)
{
ImGui_ImplGlfw_Sleep(10);
continue;
}
// React to changes in screen size
int width, height;
3rdparty/imgui/examples/example_null/Makefile
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+1 -1
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@@ -1,6 +1,6 @@
#
# Cross Platform Makefile
# Compatible with MSYS2/MINGW, Ubuntu 14.04.1+ and Mac OS X
# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
#
# Important: This is a "null backend" application, with no visible output or interaction!
# This is used for testing purpose and continuous integration, and has little use for end-user.
3rdparty/imgui/examples/example_sdl2_directx11/main.cpp
Vendored
-5
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@@ -138,11 +138,6 @@ int main(int, char**)
CreateRenderTarget();
}
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplDX11_NewFrame();
3rdparty/imgui/examples/example_sdl2_opengl2/main.cpp
Vendored
-5
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@@ -117,11 +117,6 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL2_NewFrame();
3rdparty/imgui/examples/example_sdl2_opengl3/Makefile.emscripten
Vendored
-3
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@@ -36,9 +36,6 @@ EMS += -s USE_SDL=2
EMS += -s DISABLE_EXCEPTION_CATCHING=1
LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
# Build as single file (binary text encoded in .html file)
#LDFLAGS += -sSINGLE_FILE
# Uncomment next line to fix possible rendering bugs with Emscripten version older then 1.39.0 (https://github.com/ocornut/imgui/issues/2877)
#EMS += -s BINARYEN_TRAP_MODE=clamp
#EMS += -s SAFE_HEAP=1 ## Adds overhead
3rdparty/imgui/examples/example_sdl2_opengl3/main.cpp
Vendored
+1 -19
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@@ -35,19 +35,12 @@ int main(int, char**)
// Decide GL+GLSL versions
#if defined(IMGUI_IMPL_OPENGL_ES2)
// GL ES 2.0 + GLSL 100 (WebGL 1.0)
// GL ES 2.0 + GLSL 100
const char* glsl_version = "#version 100";
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#elif defined(IMGUI_IMPL_OPENGL_ES3)
// GL ES 3.0 + GLSL 300 es (WebGL 2.0)
const char* glsl_version = "#version 300 es";
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#elif defined(__APPLE__)
// GL 3.2 Core + GLSL 150
const char* glsl_version = "#version 150";
@@ -82,12 +75,6 @@ int main(int, char**)
}
SDL_GLContext gl_context = SDL_GL_CreateContext(window);
if (gl_context == nullptr)
{
printf("Error: SDL_GL_CreateContext(): %s\n", SDL_GetError());
return -1;
}
SDL_GL_MakeCurrent(window, gl_context);
SDL_GL_SetSwapInterval(1); // Enable vsync
@@ -165,11 +152,6 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL3_NewFrame();
3rdparty/imgui/examples/example_sdl2_sdlrenderer2/main.cpp
Vendored
+1 -6
View File
@@ -47,7 +47,7 @@ int main(int, char**)
if (renderer == nullptr)
{
SDL_Log("Error creating SDL_Renderer!");
return -1;
return 0;
}
//SDL_RendererInfo info;
//SDL_GetRendererInfo(renderer, &info);
@@ -108,11 +108,6 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplSDLRenderer2_NewFrame();
3rdparty/imgui/examples/example_sdl2_vulkan/build_win32.bat
Vendored
+1 -5
View File
@@ -7,8 +7,4 @@
@set OUT_DIR=Debug
mkdir %OUT_DIR%
cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console
@set OUT_DIR=Release
@REM mkdir %OUT_DIR%
@REM cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console
cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console
3rdparty/imgui/examples/example_sdl2_vulkan/example_sdl2_vulkan.vcxproj
Vendored
+5 -5
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@@ -91,7 +91,7 @@
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -107,7 +107,7 @@
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -126,7 +126,7 @@
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<BufferSecurityCheck>false</BufferSecurityCheck>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -148,7 +148,7 @@
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<BufferSecurityCheck>false</BufferSecurityCheck>
<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -187,4 +187,4 @@
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
</Project>
3rdparty/imgui/examples/example_sdl2_vulkan/main.cpp
Vendored
+59 -23
View File
@@ -49,7 +49,7 @@ static bool g_SwapChainRebuild = false;
static void check_vk_result(VkResult err)
{
if (err == VK_SUCCESS)
if (err == 0)
return;
fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err);
if (err < 0)
@@ -73,6 +73,35 @@ static bool IsExtensionAvailable(const ImVector<VkExtensionProperties>& properti
return false;
}
static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice()
{
uint32_t gpu_count;
VkResult err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, nullptr);
check_vk_result(err);
IM_ASSERT(gpu_count > 0);
ImVector<VkPhysicalDevice> gpus;
gpus.resize(gpu_count);
err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus.Data);
check_vk_result(err);
// If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers
// most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple
// dedicated GPUs) is out of scope of this sample.
for (VkPhysicalDevice& device : gpus)
{
VkPhysicalDeviceProperties properties;
vkGetPhysicalDeviceProperties(device, &properties);
if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
return device;
}
// Use first GPU (Integrated) is a Discrete one is not available.
if (gpu_count > 0)
return gpus[0];
return VK_NULL_HANDLE;
}
static void SetupVulkan(ImVector<const char*> instance_extensions)
{
VkResult err;
@@ -136,12 +165,23 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
}
// Select Physical Device (GPU)
g_PhysicalDevice = ImGui_ImplVulkanH_SelectPhysicalDevice(g_Instance);
IM_ASSERT(g_PhysicalDevice != VK_NULL_HANDLE);
g_PhysicalDevice = SetupVulkan_SelectPhysicalDevice();
// Select graphics queue family
g_QueueFamily = ImGui_ImplVulkanH_SelectQueueFamilyIndex(g_PhysicalDevice);
IM_ASSERT(g_QueueFamily != (uint32_t)-1);
{
uint32_t count;
vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, nullptr);
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 != (uint32_t)-1);
}
// Create Logical Device (with 1 queue)
{
@@ -177,18 +217,17 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
}
// Create Descriptor Pool
// If you wish to load e.g. additional textures you may need to alter pools sizes and maxSets.
// The example only requires a single combined image sampler descriptor for the font image and only uses one descriptor set (for that)
// If you wish to load e.g. additional textures you may need to alter pools sizes.
{
VkDescriptorPoolSize pool_sizes[] =
{
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, IMGUI_IMPL_VULKAN_MINIMUM_IMAGE_SAMPLER_POOL_SIZE },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 },
};
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 = 0;
for (VkDescriptorPoolSize& pool_size : pool_sizes)
pool_info.maxSets += pool_size.descriptorCount;
pool_info.maxSets = 1;
pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
pool_info.pPoolSizes = pool_sizes;
err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
@@ -217,7 +256,7 @@ static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface
wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace);
// Select Present Mode
#ifdef APP_USE_UNLIMITED_FRAME_RATE
#ifdef APP_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 };
@@ -251,15 +290,17 @@ static void CleanupVulkanWindow()
static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data)
{
VkResult err;
VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore;
VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
VkResult err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
{
g_SwapChainRebuild = true;
if (err == VK_ERROR_OUT_OF_DATE_KHR)
return;
if (err != VK_SUBOPTIMAL_KHR)
check_vk_result(err);
}
check_vk_result(err);
ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex];
{
@@ -328,11 +369,11 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd)
info.pImageIndices = &wd->FrameIndex;
VkResult err = vkQueuePresentKHR(g_Queue, &info);
if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
{
g_SwapChainRebuild = true;
if (err == VK_ERROR_OUT_OF_DATE_KHR)
return;
if (err != VK_SUBOPTIMAL_KHR)
check_vk_result(err);
}
check_vk_result(err);
wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->SemaphoreCount; // Now we can use the next set of semaphores
}
@@ -463,11 +504,6 @@ int main(int, char**)
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Resize swap chain?
int fb_width, fb_height;
3rdparty/imgui/examples/example_sdl3_opengl3/Makefile.emscripten
Vendored
-3
View File
@@ -40,9 +40,6 @@ EMS += -s USE_SDL=2
EMS += -s DISABLE_EXCEPTION_CATCHING=1
LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
# Build as single file (binary text encoded in .html file)
#LDFLAGS += -sSINGLE_FILE
# Uncomment next line to fix possible rendering bugs with Emscripten version older then 1.39.0 (https://github.com/ocornut/imgui/issues/2877)
#EMS += -s BINARYEN_TRAP_MODE=clamp
#EMS += -s SAFE_HEAP=1 ## Adds overhead
3rdparty/imgui/examples/example_sdl3_opengl3/README.md
Vendored
+3 -3
View File
@@ -9,11 +9,11 @@ Use the provided project file (.vcxproj). Add to solution (imgui_examples.sln) i
Use build_win32.bat or directly:
```
set SDL3_DIR=path_to_your_sdl3_folder
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL3_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_opengl3.exe /FoDebug/ /link /libpath:%SDL3_DIR%\lib\x86 SDL3.lib opengl32.lib /subsystem:console
set SDL2_DIR=path_to_your_sdl3_folder
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL3.lib opengl32.lib /subsystem:console
# ^^ include paths ^^ source files ^^ output exe ^^ output dir ^^ libraries
# or for 64-bit:
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL3_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_opengl3.exe /FoDebug/ /link /libpath:%SDL3_DIR%\lib\x64 SDL3.lib SDL2mainopengl32.lib /subsystem:console
cl /Zi /MD /utf-8 /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp /FeDebug/example_sdl3_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL3.lib SDL2mainopengl32.lib /subsystem:console
```
## Linux and similar Unixes
3rdparty/imgui/examples/example_sdl3_opengl3/build_win32.bat
Vendored
+1 -7
View File
@@ -1,14 +1,8 @@
@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler.
@set OUT_DIR=Debug
@set OUT_EXE=example_sdl3_opengl3
@set INCLUDES=/I..\.. /I..\..\backends /I%SDL3_DIR%\include
@set SOURCES=main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\imgui*.cpp
@set LIBS=/LIBPATH:%SDL3_DIR%\lib\x86 SDL3.lib opengl32.lib shell32.lib
@set OUT_DIR=Debug
mkdir %OUT_DIR%
cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console
@set OUT_DIR=Release
@REM mkdir %OUT_DIR%
@REM cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console
3rdparty/imgui/examples/example_sdl3_opengl3/main.cpp
Vendored
+3 -20
View File
@@ -18,6 +18,7 @@
#include <SDL3/SDL_opengl.h>
#endif
// This example doesn't compile with Emscripten yet! Awaiting SDL3 support.
#ifdef __EMSCRIPTEN__
#include "../libs/emscripten/emscripten_mainloop_stub.h"
#endif
@@ -26,7 +27,7 @@
int main(int, char**)
{
// Setup SDL
if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMEPAD))
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMEPAD) != 0)
{
printf("Error: SDL_Init(): %s\n", SDL_GetError());
return -1;
@@ -34,19 +35,12 @@ int main(int, char**)
// Decide GL+GLSL versions
#if defined(IMGUI_IMPL_OPENGL_ES2)
// GL ES 2.0 + GLSL 100 (WebGL 1.0)
// GL ES 2.0 + GLSL 100
const char* glsl_version = "#version 100";
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#elif defined(IMGUI_IMPL_OPENGL_ES3)
// GL ES 3.0 + GLSL 300 es (WebGL 2.0)
const char* glsl_version = "#version 300 es";
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#elif defined(__APPLE__)
// GL 3.2 Core + GLSL 150
const char* glsl_version = "#version 150";
@@ -76,12 +70,6 @@ int main(int, char**)
}
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
SDL_GLContext gl_context = SDL_GL_CreateContext(window);
if (gl_context == nullptr)
{
printf("Error: SDL_GL_CreateContext(): %s\n", SDL_GetError());
return -1;
}
SDL_GL_MakeCurrent(window, gl_context);
SDL_GL_SetSwapInterval(1); // Enable vsync
SDL_ShowWindow(window);
@@ -160,11 +148,6 @@ int main(int, char**)
if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL3_NewFrame();
3rdparty/imgui/examples/example_sdl3_sdlrenderer3/main.cpp
Vendored
+1 -13
View File
@@ -21,15 +21,11 @@
#include <SDL3/SDL_opengl.h>
#endif
#ifdef __EMSCRIPTEN__
#include "../libs/emscripten/emscripten_mainloop_stub.h"
#endif
// Main code
int main(int, char**)
{
// Setup SDL
if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMEPAD))
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMEPAD) != 0)
{
printf("Error: SDL_Init(): %s\n", SDL_GetError());
return -1;
@@ -116,11 +112,6 @@ int main(int, char**)
if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window))
done = true;
}
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
{
SDL_Delay(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplSDLRenderer3_NewFrame();
@@ -172,9 +163,6 @@ int main(int, char**)
ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), renderer);
SDL_RenderPresent(renderer);
}
#ifdef __EMSCRIPTEN__
EMSCRIPTEN_MAINLOOP_END;
#endif
// Cleanup
ImGui_ImplSDLRenderer3_Shutdown();
3rdparty/imgui/examples/example_win32_directx12/build_win32.bat
Vendored
+2 -1
View File
@@ -1,8 +1,9 @@
@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler.
@REM Important: to build on 32-bit systems, the DX12 backends needs '#define ImTextureID ImU64', so we pass it here.
@set OUT_DIR=Debug
@set OUT_EXE=example_win32_directx12
@set INCLUDES=/I..\.. /I..\..\backends /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared"
@set SOURCES=main.cpp ..\..\backends\imgui_impl_dx12.cpp ..\..\backends\imgui_impl_win32.cpp ..\..\imgui*.cpp
@set LIBS=d3d12.lib d3dcompiler.lib dxgi.lib
mkdir Debug
cl /nologo /Zi /MD /utf-8 %INCLUDES% /D UNICODE /D _UNICODE %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 /D UNICODE /D _UNICODE %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
3rdparty/imgui/examples/example_win32_directx12/example_win32_directx12.vcxproj
Vendored
+5 -5
View File
@@ -21,7 +21,7 @@
<PropertyGroup Label="Globals">
<ProjectGuid>{b4cf9797-519d-4afe-a8f4-5141a6b521d3}</ProjectGuid>
<RootNamespace>example_win32_directx12</RootNamespace>
<WindowsTargetPlatformVersion>10.0.20348.0</WindowsTargetPlatformVersion>
<WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
@@ -87,7 +87,7 @@
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -102,7 +102,7 @@
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -119,7 +119,7 @@
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
@@ -138,7 +138,7 @@
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
3rdparty/imgui/examples/example_win32_directx12/main.cpp
Vendored
+28 -81
View File
@@ -6,6 +6,10 @@
// - Documentation https://dearimgui.com/docs (same as your local docs/ folder).
// - Introduction, links and more at the top of imgui.cpp
// Important: to compile on 32-bit systems, the DirectX12 backend requires code to be compiled with '#define ImTextureID ImU64'.
// This is because we need ImTextureID to carry a 64-bit value and by default ImTextureID is defined as void*.
// This define is set in the example .vcxproj file and need to be replicated in your app or by adding it to your imconfig.h file.
#include "imgui.h"
#include "imgui_impl_win32.h"
#include "imgui_impl_dx12.h"
@@ -22,70 +26,23 @@
#pragma comment(lib, "dxguid.lib")
#endif
// Config for example app
static const int APP_NUM_FRAMES_IN_FLIGHT = 2;
static const int APP_NUM_BACK_BUFFERS = 2;
static const int APP_SRV_HEAP_SIZE = 64;
#include "imgui_internal.h"
struct FrameContext
{
ID3D12CommandAllocator* CommandAllocator;
UINT64 FenceValue;
};
// Simple free list based allocator
struct ExampleDescriptorHeapAllocator
{
ID3D12DescriptorHeap* Heap = nullptr;
D3D12_DESCRIPTOR_HEAP_TYPE HeapType = D3D12_DESCRIPTOR_HEAP_TYPE_NUM_TYPES;
D3D12_CPU_DESCRIPTOR_HANDLE HeapStartCpu;
D3D12_GPU_DESCRIPTOR_HANDLE HeapStartGpu;
UINT HeapHandleIncrement;
ImVector<int> FreeIndices;
void Create(ID3D12Device* device, ID3D12DescriptorHeap* heap)
{
IM_ASSERT(Heap == nullptr && FreeIndices.empty());
Heap = heap;
D3D12_DESCRIPTOR_HEAP_DESC desc = heap->GetDesc();
HeapType = desc.Type;
HeapStartCpu = Heap->GetCPUDescriptorHandleForHeapStart();
HeapStartGpu = Heap->GetGPUDescriptorHandleForHeapStart();
HeapHandleIncrement = device->GetDescriptorHandleIncrementSize(HeapType);
FreeIndices.reserve((int)desc.NumDescriptors);
for (int n = desc.NumDescriptors; n > 0; n--)
FreeIndices.push_back(n);
}
void Destroy()
{
Heap = nullptr;
FreeIndices.clear();
}
void Alloc(D3D12_CPU_DESCRIPTOR_HANDLE* out_cpu_desc_handle, D3D12_GPU_DESCRIPTOR_HANDLE* out_gpu_desc_handle)
{
IM_ASSERT(FreeIndices.Size > 0);
int idx = FreeIndices.back();
FreeIndices.pop_back();
out_cpu_desc_handle->ptr = HeapStartCpu.ptr + (idx * HeapHandleIncrement);
out_gpu_desc_handle->ptr = HeapStartGpu.ptr + (idx * HeapHandleIncrement);
}
void Free(D3D12_CPU_DESCRIPTOR_HANDLE out_cpu_desc_handle, D3D12_GPU_DESCRIPTOR_HANDLE out_gpu_desc_handle)
{
int cpu_idx = (int)((out_cpu_desc_handle.ptr - HeapStartCpu.ptr) / HeapHandleIncrement);
int gpu_idx = (int)((out_gpu_desc_handle.ptr - HeapStartGpu.ptr) / HeapHandleIncrement);
IM_ASSERT(cpu_idx == gpu_idx);
FreeIndices.push_back(cpu_idx);
}
ID3D12CommandAllocator* CommandAllocator;
UINT64 FenceValue;
};
// Data
static FrameContext g_frameContext[APP_NUM_FRAMES_IN_FLIGHT] = {};
static int const NUM_FRAMES_IN_FLIGHT = 3;
static FrameContext g_frameContext[NUM_FRAMES_IN_FLIGHT] = {};
static UINT g_frameIndex = 0;
static int const NUM_BACK_BUFFERS = 3;
static ID3D12Device* g_pd3dDevice = nullptr;
static ID3D12DescriptorHeap* g_pd3dRtvDescHeap = nullptr;
static ID3D12DescriptorHeap* g_pd3dSrvDescHeap = nullptr;
static ExampleDescriptorHeapAllocator g_pd3dSrvDescHeapAlloc;
static ID3D12CommandQueue* g_pd3dCommandQueue = nullptr;
static ID3D12GraphicsCommandList* g_pd3dCommandList = nullptr;
static ID3D12Fence* g_fence = nullptr;
@@ -94,8 +51,8 @@ static UINT64 g_fenceLastSignaledValue = 0;
static IDXGISwapChain3* g_pSwapChain = nullptr;
static bool g_SwapChainOccluded = false;
static HANDLE g_hSwapChainWaitableObject = nullptr;
static ID3D12Resource* g_mainRenderTargetResource[APP_NUM_BACK_BUFFERS] = {};
static D3D12_CPU_DESCRIPTOR_HANDLE g_mainRenderTargetDescriptor[APP_NUM_BACK_BUFFERS] = {};
static ID3D12Resource* g_mainRenderTargetResource[NUM_BACK_BUFFERS] = {};
static D3D12_CPU_DESCRIPTOR_HANDLE g_mainRenderTargetDescriptor[NUM_BACK_BUFFERS] = {};
// Forward declarations of helper functions
bool CreateDeviceD3D(HWND hWnd);
@@ -152,19 +109,10 @@ int main(int, char**)
// Setup Platform/Renderer backends
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX12_InitInfo init_info = {};
init_info.Device = g_pd3dDevice;
init_info.CommandQueue = g_pd3dCommandQueue;
init_info.NumFramesInFlight = APP_NUM_FRAMES_IN_FLIGHT;
init_info.RTVFormat = DXGI_FORMAT_R8G8B8A8_UNORM;
init_info.DSVFormat = DXGI_FORMAT_UNKNOWN;
// Allocating SRV descriptors (for textures) is up to the application, so we provide callbacks.
// (current version of the backend will only allocate one descriptor, future versions will need to allocate more)
init_info.SrvDescriptorHeap = g_pd3dSrvDescHeap;
init_info.SrvDescriptorAllocFn = [](ImGui_ImplDX12_InitInfo*, D3D12_CPU_DESCRIPTOR_HANDLE* out_cpu_handle, D3D12_GPU_DESCRIPTOR_HANDLE* out_gpu_handle) { return g_pd3dSrvDescHeapAlloc.Alloc(out_cpu_handle, out_gpu_handle); };
init_info.SrvDescriptorFreeFn = [](ImGui_ImplDX12_InitInfo*, D3D12_CPU_DESCRIPTOR_HANDLE cpu_handle, D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle) { return g_pd3dSrvDescHeapAlloc.Free(cpu_handle, gpu_handle); };
ImGui_ImplDX12_Init(&init_info);
ImGui_ImplDX12_Init(g_pd3dDevice, NUM_FRAMES_IN_FLIGHT,
DXGI_FORMAT_R8G8B8A8_UNORM, g_pd3dSrvDescHeap,
g_pd3dSrvDescHeap->GetCPUDescriptorHandleForHeapStart(),
g_pd3dSrvDescHeap->GetGPUDescriptorHandleForHeapStart());
// 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.
@@ -288,7 +236,7 @@ int main(int, char**)
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{
ImGui::UpdatePlatformWindows();
ImGui::RenderPlatformWindowsDefault();
ImGui::RenderPlatformWindowsDefault(nullptr, (void*)g_pd3dCommandList);
}
// Present
@@ -323,7 +271,7 @@ bool CreateDeviceD3D(HWND hWnd)
DXGI_SWAP_CHAIN_DESC1 sd;
{
ZeroMemory(&sd, sizeof(sd));
sd.BufferCount = APP_NUM_BACK_BUFFERS;
sd.BufferCount = NUM_BACK_BUFFERS;
sd.Width = 0;
sd.Height = 0;
sd.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
@@ -366,7 +314,7 @@ bool CreateDeviceD3D(HWND hWnd)
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = APP_NUM_BACK_BUFFERS;
desc.NumDescriptors = NUM_BACK_BUFFERS;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
desc.NodeMask = 1;
if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dRtvDescHeap)) != S_OK)
@@ -374,7 +322,7 @@ bool CreateDeviceD3D(HWND hWnd)
SIZE_T rtvDescriptorSize = g_pd3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = g_pd3dRtvDescHeap->GetCPUDescriptorHandleForHeapStart();
for (UINT i = 0; i < APP_NUM_BACK_BUFFERS; i++)
for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
{
g_mainRenderTargetDescriptor[i] = rtvHandle;
rtvHandle.ptr += rtvDescriptorSize;
@@ -384,11 +332,10 @@ bool CreateDeviceD3D(HWND hWnd)
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
desc.NumDescriptors = APP_SRV_HEAP_SIZE;
desc.NumDescriptors = 1;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dSrvDescHeap)) != S_OK)
return false;
g_pd3dSrvDescHeapAlloc.Create(g_pd3dDevice, g_pd3dSrvDescHeap);
}
{
@@ -400,7 +347,7 @@ bool CreateDeviceD3D(HWND hWnd)
return false;
}
for (UINT i = 0; i < APP_NUM_FRAMES_IN_FLIGHT; i++)
for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++)
if (g_pd3dDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&g_frameContext[i].CommandAllocator)) != S_OK)
return false;
@@ -426,7 +373,7 @@ bool CreateDeviceD3D(HWND hWnd)
return false;
swapChain1->Release();
dxgiFactory->Release();
g_pSwapChain->SetMaximumFrameLatency(APP_NUM_BACK_BUFFERS);
g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS);
g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject();
}
@@ -439,7 +386,7 @@ void CleanupDeviceD3D()
CleanupRenderTarget();
if (g_pSwapChain) { g_pSwapChain->SetFullscreenState(false, nullptr); g_pSwapChain->Release(); g_pSwapChain = nullptr; }
if (g_hSwapChainWaitableObject != nullptr) { CloseHandle(g_hSwapChainWaitableObject); }
for (UINT i = 0; i < APP_NUM_FRAMES_IN_FLIGHT; i++)
for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++)
if (g_frameContext[i].CommandAllocator) { g_frameContext[i].CommandAllocator->Release(); g_frameContext[i].CommandAllocator = nullptr; }
if (g_pd3dCommandQueue) { g_pd3dCommandQueue->Release(); g_pd3dCommandQueue = nullptr; }
if (g_pd3dCommandList) { g_pd3dCommandList->Release(); g_pd3dCommandList = nullptr; }
@@ -461,7 +408,7 @@ void CleanupDeviceD3D()
void CreateRenderTarget()
{
for (UINT i = 0; i < APP_NUM_BACK_BUFFERS; i++)
for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
{
ID3D12Resource* pBackBuffer = nullptr;
g_pSwapChain->GetBuffer(i, IID_PPV_ARGS(&pBackBuffer));
@@ -474,13 +421,13 @@ void CleanupRenderTarget()
{
WaitForLastSubmittedFrame();
for (UINT i = 0; i < APP_NUM_BACK_BUFFERS; i++)
for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
if (g_mainRenderTargetResource[i]) { g_mainRenderTargetResource[i]->Release(); g_mainRenderTargetResource[i] = nullptr; }
}
void WaitForLastSubmittedFrame()
{
FrameContext* frameCtx = &g_frameContext[g_frameIndex % APP_NUM_FRAMES_IN_FLIGHT];
FrameContext* frameCtx = &g_frameContext[g_frameIndex % NUM_FRAMES_IN_FLIGHT];
UINT64 fenceValue = frameCtx->FenceValue;
if (fenceValue == 0)
@@ -502,7 +449,7 @@ FrameContext* WaitForNextFrameResources()
HANDLE waitableObjects[] = { g_hSwapChainWaitableObject, nullptr };
DWORD numWaitableObjects = 1;
FrameContext* frameCtx = &g_frameContext[nextFrameIndex % APP_NUM_FRAMES_IN_FLIGHT];
FrameContext* frameCtx = &g_frameContext[nextFrameIndex % NUM_FRAMES_IN_FLIGHT];
UINT64 fenceValue = frameCtx->FenceValue;
if (fenceValue != 0) // means no fence was signaled
{
3rdparty/imgui/examples/example_win32_opengl3/main.cpp
Vendored
-5
View File
@@ -168,11 +168,6 @@ int main(int, char**)
}
if (done)
break;
if (::IsIconic(hwnd))
{
::Sleep(10);
continue;
}
// Start the Dear ImGui frame
ImGui_ImplOpenGL3_NewFrame();
3rdparty/imgui/examples/imgui_examples.sln
Vendored
-30
View File
@@ -33,12 +33,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl3_opengl3", "exa
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl3_sdlrenderer3", "example_sdl3_sdlrenderer3\example_sdl3_sdlrenderer3.vcxproj", "{C0290D21-3AD2-4A35-ABBC-A2F5F48326DA}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl3_vulkan", "example_sdl3_vulkan\example_sdl3_vulkan.vcxproj", "{663A7E89-1E42-4222-921C-177F5B5910DF}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_win32_vulkan", "example_win32_vulkan\example_win32_vulkan.vcxproj", "{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example_sdl3_sdlgpu3", "example_sdl3_sdlgpu3\example_sdl3_sdlgpu3.vcxproj", "{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
@@ -167,30 +161,6 @@ Global
{C0290D21-3AD2-4A35-ABBC-A2F5F48326DA}.Release|Win32.Build.0 = Release|Win32
{C0290D21-3AD2-4A35-ABBC-A2F5F48326DA}.Release|x64.ActiveCfg = Release|x64
{C0290D21-3AD2-4A35-ABBC-A2F5F48326DA}.Release|x64.Build.0 = Release|x64
{663A7E89-1E42-4222-921C-177F5B5910DF}.Debug|Win32.ActiveCfg = Debug|Win32
{663A7E89-1E42-4222-921C-177F5B5910DF}.Debug|Win32.Build.0 = Debug|Win32
{663A7E89-1E42-4222-921C-177F5B5910DF}.Debug|x64.ActiveCfg = Debug|x64
{663A7E89-1E42-4222-921C-177F5B5910DF}.Debug|x64.Build.0 = Debug|x64
{663A7E89-1E42-4222-921C-177F5B5910DF}.Release|Win32.ActiveCfg = Release|Win32
{663A7E89-1E42-4222-921C-177F5B5910DF}.Release|Win32.Build.0 = Release|Win32
{663A7E89-1E42-4222-921C-177F5B5910DF}.Release|x64.ActiveCfg = Release|x64
{663A7E89-1E42-4222-921C-177F5B5910DF}.Release|x64.Build.0 = Release|x64
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Debug|Win32.ActiveCfg = Debug|Win32
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Debug|Win32.Build.0 = Debug|Win32
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Debug|x64.ActiveCfg = Debug|x64
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Debug|x64.Build.0 = Debug|x64
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Release|Win32.ActiveCfg = Release|Win32
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Release|Win32.Build.0 = Release|Win32
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Release|x64.ActiveCfg = Release|x64
{0A1E32DF-E0F4-4CCE-B3DC-9644C503BD88}.Release|x64.Build.0 = Release|x64
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Debug|Win32.ActiveCfg = Debug|Win32
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Debug|Win32.Build.0 = Debug|Win32
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Debug|x64.ActiveCfg = Debug|x64
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Debug|x64.Build.0 = Debug|x64
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Release|Win32.ActiveCfg = Release|Win32
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Release|Win32.Build.0 = Release|Win32
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Release|x64.ActiveCfg = Release|x64
{C22CB6F8-39A5-4DDA-90ED-4ACA4E81E1E5}.Release|x64.Build.0 = Release|x64
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
3rdparty/imgui/examples/libs/emscripten/emscripten_mainloop_stub.h
Vendored
+3 -4
View File
@@ -17,21 +17,20 @@
// - So the next logical step was to refactor all examples to follow that layout of using a "main loop" function.
// This worked, but it made us lose all the nice things we had...
// Since only about 4 examples really need to run with Emscripten, here's our solution:
// Since only about 3 examples really need to run with Emscripten, here's our solution:
// - Use some weird macros and capturing lambda to turn a loop in main() into a function.
// - Hide all that crap in this file so it doesn't make our examples unusually ugly.
// As a stance and principle of Dear ImGui development we don't use C++ headers and we don't
// want to suggest to the newcomer that we would ever use C++ headers as this would affect
// the initial judgment of many of our target audience.
// - Technique is based on this idea: https://github.com/ocornut/imgui/pull/2492/
// - The do { } while (0) is to allow our code calling continue in the main loop.
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#include <functional>
static std::function<void()> MainLoopForEmscriptenP;
static void MainLoopForEmscripten() { MainLoopForEmscriptenP(); }
#define EMSCRIPTEN_MAINLOOP_BEGIN MainLoopForEmscriptenP = [&]() { do
#define EMSCRIPTEN_MAINLOOP_END while (0); }; emscripten_set_main_loop(MainLoopForEmscripten, 0, true)
#define EMSCRIPTEN_MAINLOOP_BEGIN MainLoopForEmscriptenP = [&]()
#define EMSCRIPTEN_MAINLOOP_END ; emscripten_set_main_loop(MainLoopForEmscripten, 0, true)
#else
#define EMSCRIPTEN_MAINLOOP_BEGIN
#define EMSCRIPTEN_MAINLOOP_END