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update dear imgui from 1.92.6-docking to 1.92.7-docking

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This commit is contained in:
Sven Balzer
2026-04-02 20:22:14 +02:00
parent b549728a24
commit 85d1832a0c
40 changed files with 1823 additions and 1130 deletions
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libs/imgui/backends/imgui_impl_dx9.cpp
+9 -7
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@@ -19,6 +19,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-19: Fixed issue in ImGui_ImplDX9_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295, #9310)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-11: DirectX9: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas.
// 2024-10-07: DirectX9: Changed default texture sampler to Clamp instead of Repeat/Wrap.
@@ -448,14 +449,15 @@ void ImGui_ImplDX9_UpdateTexture(ImTextureData* tex)
}
else if (tex->Status == ImTextureStatus_WantDestroy)
{
if (LPDIRECT3DTEXTURE9 backend_tex = (LPDIRECT3DTEXTURE9)tex->TexID)
{
IM_ASSERT(tex->TexID == (ImTextureID)(intptr_t)backend_tex);
backend_tex->Release();
if (tex->TexID != ImTextureID_Invalid)
if (LPDIRECT3DTEXTURE9 backend_tex = (LPDIRECT3DTEXTURE9)tex->TexID)
{
IM_ASSERT(tex->TexID == (ImTextureID)(intptr_t)backend_tex);
backend_tex->Release();
// Clear identifiers and mark as destroyed (in order to allow e.g. calling InvalidateDeviceObjects while running)
tex->SetTexID(ImTextureID_Invalid);
}
// Clear identifiers and mark as destroyed (in order to allow e.g. calling InvalidateDeviceObjects while running)
tex->SetTexID(ImTextureID_Invalid);
}
tex->SetStatus(ImTextureStatus_Destroyed);
}
}
libs/imgui/backends/imgui_impl_glfw.cpp
+4
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@@ -32,6 +32,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-25: Mouse cursor is properly restored if changed by user app/code while using glfwSetInputMode(..., GLFW_CURSOR_DISABLED) or ImGuiConfigFlags_NoMouseCursorChange. Amend change from 2025-12-10.
// 2026-02-10: Try to set IMGUI_IMPL_GLFW_DISABLE_X11 / IMGUI_IMPL_GLFW_DISABLE_WAYLAND automatically if corresponding headers are not accessible. (#9225)
// 2026-01-25: [Docking] Improve workarounds for cases where GLFW is unable to provide any reliable monitor info. Preserve existing monitor list when none of the new one is valid. (#9195, #7902, #5683)
// 2026-01-18: [Docking] Dynamically load X11 functions to avoid -lx11 linking requirement introduced on 2025-09-10.
@@ -993,7 +994,10 @@ static void ImGui_ImplGlfw_UpdateMouseCursor()
ImGuiIO& io = ImGui::GetIO();
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
if ((io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) || glfwGetInputMode(bd->Window, GLFW_CURSOR) == GLFW_CURSOR_DISABLED)
{
bd->LastMouseCursor = nullptr; // Invalidate so that if user changes underlying cursor we will update it next time we can.
return;
}
ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor();
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
libs/imgui/backends/imgui_impl_metal.mm
+3 -1
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@@ -18,6 +18,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Metal: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-19: Fixed issue in ImGui_ImplMetal_RenderDrawData() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295, #9310)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplMetal_CreateFontsTexture() and ImGui_ImplMetal_DestroyFontsTexture().
// 2025-02-03: Metal: Crash fix. (#8367)
@@ -319,7 +320,8 @@ void ImGui_ImplMetal_RenderDrawData(ImDrawData* draw_data, id<MTLCommandBuffer>
[commandEncoder setScissorRect:scissorRect];
// Bind texture, Draw
if (ImTextureID tex_id = pcmd->GetTexID())
ImTextureID tex_id = pcmd->GetTexID();
if (tex_id != ImTextureID_Invalid)
[commandEncoder setFragmentTexture:(__bridge id<MTLTexture>)(void*)(intptr_t)(tex_id) atIndex:0];
[commandEncoder setVertexBufferOffset:(vertexBufferOffset + pcmd->VtxOffset * sizeof(ImDrawVert)) atIndex:0];
libs/imgui/backends/imgui_impl_opengl2.cpp
+2 -1
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@@ -27,6 +27,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-12: OpenGL: Fixed invalid assert in ImGui_ImplOpenGL3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-07-15: OpenGL: Set GL_UNPACK_ALIGNMENT to 1 before updating textures. (#8802)
// 2025-06-11: OpenGL: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplOpenGL2_CreateFontsTexture() and ImGui_ImplOpenGL2_DestroyFontsTexture().
@@ -284,7 +285,7 @@ void ImGui_ImplOpenGL2_UpdateTexture(ImTextureData* tex)
{
// Create and upload new texture to graphics system
//IMGUI_DEBUG_LOG("UpdateTexture #%03d: WantCreate %dx%d\n", tex->UniqueID, tex->Width, tex->Height);
IM_ASSERT(tex->TexID == 0 && tex->BackendUserData == nullptr);
IM_ASSERT(tex->TexID == ImTextureID_Invalid && tex->BackendUserData == nullptr);
IM_ASSERT(tex->Format == ImTextureFormat_RGBA32);
const void* pixels = tex->GetPixels();
GLuint gl_texture_id = 0;
libs/imgui/backends/imgui_impl_opengl3.cpp
+2 -1
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@@ -25,6 +25,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-12: OpenGL: Fixed invalid assert in ImGui_ImplOpenGL3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
// 2025-12-11: OpenGL: Fixed embedded loader multiple init/shutdown cycles broken on some platforms. (#8792, #9112)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-07-22: OpenGL: Add and call embedded loader shutdown during ImGui_ImplOpenGL3_Shutdown() to facilitate multiple init/shutdown cycles in same process. (#8792)
@@ -754,7 +755,7 @@ void ImGui_ImplOpenGL3_UpdateTexture(ImTextureData* tex)
{
// Create and upload new texture to graphics system
//IMGUI_DEBUG_LOG("UpdateTexture #%03d: WantCreate %dx%d\n", tex->UniqueID, tex->Width, tex->Height);
IM_ASSERT(tex->TexID == 0 && tex->BackendUserData == nullptr);
IM_ASSERT(tex->TexID == ImTextureID_Invalid && tex->BackendUserData == nullptr);
IM_ASSERT(tex->Format == ImTextureFormat_RGBA32);
const void* pixels = tex->GetPixels();
GLuint gl_texture_id = 0;
libs/imgui/backends/imgui_impl_sdl2.cpp
+9 -8
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@@ -26,6 +26,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-09: [Docking] Fixed an issue dated 2025/04/09 (1.92 WIP) where a refactor+merge caused ImGuiBackendFlags_HasMouseHoveredViewport to never be set, causing foreign windows to be ignored when deciding of hovered viewport. (#9284)
// 2026-02-13: Inputs: systems other than X11 are back to starting mouse capture on mouse down (reverts 2025-02-26 change). Only X11 requires waiting for a drag by default (not ideal, but a better default for X11 users). Added ImGui_ImplSDL2_SetMouseCaptureMode() for X11 debugger users. (#3650, #6410, #9235)
// 2026-01-15: Changed GetClipboardText() handler to return nullptr on error aka clipboard contents is not text. Consistent with other backends. (#9168)
// 2025-09-24: Skip using the SDL_GetGlobalMouseState() state when one of our window is hovered, as the SDL_MOUSEMOTION data is reliable. Fix macOS notch mouse coordinates issue in fullscreen mode + better perf on X11. (#7919, #7786)
@@ -564,14 +565,6 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer, void
bd->WindowID = SDL_GetWindowID(window);
bd->Renderer = renderer;
// SDL on Linux/OSX doesn't report events for unfocused windows (see https://github.com/ocornut/imgui/issues/4960)
// We will use 'MouseCanReportHoveredViewport' to set 'ImGuiBackendFlags_HasMouseHoveredViewport' dynamically each frame.
#ifndef __APPLE__
bd->MouseCanReportHoveredViewport = bd->MouseCanUseGlobalState;
#else
bd->MouseCanReportHoveredViewport = false;
#endif
// Check and store if we are on a SDL backend that supports SDL_GetGlobalMouseState() and SDL_CaptureMouse()
// ("wayland" and "rpi" don't support it, but we chose to use a white-list instead of a black-list)
bd->MouseCanUseGlobalState = false;
@@ -589,6 +582,14 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer, void
if (bd->MouseCanUseGlobalState)
io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports; // We can create multi-viewports on the Platform side (optional)
// SDL on Linux/OSX doesn't report events for unfocused windows (see https://github.com/ocornut/imgui/issues/4960)
// We will use 'MouseCanReportHoveredViewport' to set 'ImGuiBackendFlags_HasMouseHoveredViewport' dynamically each frame.
#ifndef __APPLE__
bd->MouseCanReportHoveredViewport = bd->MouseCanUseGlobalState;
#else
bd->MouseCanReportHoveredViewport = false;
#endif
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
platform_io.Platform_SetClipboardTextFn = ImGui_ImplSDL2_SetClipboardText;
platform_io.Platform_GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText;
libs/imgui/backends/imgui_impl_sdl3.cpp
+15 -9
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@@ -24,6 +24,8 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-25: [Docking] Use SDL_HAS_EVENT_DISPLAY_USABLE_BOUNDS_CHANGED (SDL 3.4.0+) when available to avoid refreshing monitor work area every frame on Windows. (#8415)
// 2026-03-09: [Docking] Fixed an issue dated 2025/04/09 (1.92 WIP) where a refactor+merge caused ImGuiBackendFlags_HasMouseHoveredViewport to never be set, causing foreign windows to be ignored when deciding of hovered viewport. (#9284)
// 2026-02-13: Inputs: systems other than X11 are back to starting mouse capture on mouse down (reverts 2025-02-26 change). Only X11 requires waiting for a drag by default (not ideal, but a better default for X11 users). Added ImGui_ImplSDL3_SetMouseCaptureMode() for X11 debugger users. (#3650, #6410, #9235)
// 2026-01-15: Changed GetClipboardText() handler to return nullptr on error aka clipboard contents is not text. Consistent with other backends. (#9168)
// 2025-11-05: Fixed an issue with missing characters events when an already active text field changes viewports. (#9054)
@@ -104,6 +106,7 @@
#else
#define SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE 0
#endif
#define SDL_HAS_EVENT_DISPLAY_USABLE_BOUNDS_CHANGED SDL_VERSION_ATLEAST(3,4,0)
// FIXME-LEGACY: remove when SDL 3.1.3 preview is released.
#ifndef SDLK_APOSTROPHE
@@ -474,6 +477,9 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
case SDL_EVENT_DISPLAY_REMOVED:
case SDL_EVENT_DISPLAY_MOVED:
case SDL_EVENT_DISPLAY_CONTENT_SCALE_CHANGED:
#if SDL_HAS_EVENT_DISPLAY_USABLE_BOUNDS_CHANGED
case SDL_EVENT_DISPLAY_USABLE_BOUNDS_CHANGED:
#endif
{
bd->WantUpdateMonitors = true;
return true;
@@ -570,14 +576,6 @@ static bool ImGui_ImplSDL3_Init(SDL_Window* window, SDL_Renderer* renderer, void
bd->WindowID = SDL_GetWindowID(window);
bd->Renderer = renderer;
// SDL on Linux/OSX doesn't report events for unfocused windows (see https://github.com/ocornut/imgui/issues/4960)
// We will use 'MouseCanReportHoveredViewport' to set 'ImGuiBackendFlags_HasMouseHoveredViewport' dynamically each frame.
#ifndef __APPLE__
bd->MouseCanReportHoveredViewport = bd->MouseCanUseGlobalState;
#else
bd->MouseCanReportHoveredViewport = false;
#endif
// Check and store if we are on a SDL backend that supports SDL_GetGlobalMouseState() and SDL_CaptureMouse()
// ("wayland" and "rpi" don't support it, but we chose to use a white-list instead of a black-list)
bd->MouseCanUseGlobalState = false;
@@ -598,6 +596,14 @@ static bool ImGui_ImplSDL3_Init(SDL_Window* window, SDL_Renderer* renderer, void
io.BackendFlags |= ImGuiBackendFlags_HasParentViewport; // We can honor viewport->ParentViewportId by applying the corresponding parent/child relationship at platform level (optional)
}
// SDL on Linux/OSX doesn't report events for unfocused windows (see https://github.com/ocornut/imgui/issues/4960)
// We will use 'MouseCanReportHoveredViewport' to set 'ImGuiBackendFlags_HasMouseHoveredViewport' dynamically each frame.
#ifndef __APPLE__
bd->MouseCanReportHoveredViewport = bd->MouseCanUseGlobalState;
#else
bd->MouseCanReportHoveredViewport = false;
#endif
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
platform_io.Platform_SetClipboardTextFn = ImGui_ImplSDL3_SetClipboardText;
platform_io.Platform_GetClipboardTextFn = ImGui_ImplSDL3_GetClipboardText;
@@ -996,7 +1002,7 @@ void ImGui_ImplSDL3_NewFrame()
ImGui_ImplSDL3_GetWindowSizeAndFramebufferScale(bd->Window, &io.DisplaySize, &io.DisplayFramebufferScale);
// Update monitors
#ifdef WIN32
#if defined(WIN32) && !SDL_HAS_EVENT_DISPLAY_USABLE_BOUNDS_CHANGED
bd->WantUpdateMonitors = true; // Keep polling under Windows to handle changes of work area when resizing task-bar (#8415)
#endif
if (bd->WantUpdateMonitors)
libs/imgui/backends/imgui_impl_sdlgpu3.cpp
+6 -4
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@@ -24,6 +24,8 @@
// CHANGELOG
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-19: Fixed issue in ImGui_ImplSDLGPU3_DestroyTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295, #9310)
// 2026-02-25: Removed unnecessary call to SDL_WaitForGPUIdle when releasing vertex/index buffers. (#9262)
// 2025-11-26: macOS version can use MSL shaders in order to support macOS 10.14+ (vs Metallib shaders requiring macOS 14+). Requires calling SDL_CreateGPUDevice() with SDL_GPU_SHADERFORMAT_MSL.
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-08-20: Added ImGui_ImplSDLGPU3_InitInfo::SwapchainComposition and ImGui_ImplSDLGPU3_InitInfo::PresentMode to configure how secondary viewports are created.
@@ -133,8 +135,7 @@ static void CreateOrResizeBuffers(SDL_GPUBuffer** buffer, SDL_GPUTransferBuffer*
ImGui_ImplSDLGPU3_Data* bd = ImGui_ImplSDLGPU3_GetBackendData();
ImGui_ImplSDLGPU3_InitInfo* v = &bd->InitInfo;
// FIXME-OPT: Not optimal, but this is fairly rarely called.
SDL_WaitForGPUIdle(v->Device);
// There is no need for calling SDL_WaitForGPUIdle here, as SDL3 will handle deferred buffer deletion automatically.
SDL_ReleaseGPUBuffer(v->Device, *buffer);
SDL_ReleaseGPUTransferBuffer(v->Device, *transferbuffer);
@@ -312,8 +313,9 @@ void ImGui_ImplSDLGPU3_RenderDrawData(ImDrawData* draw_data, SDL_GPUCommandBuffe
static void ImGui_ImplSDLGPU3_DestroyTexture(ImTextureData* tex)
{
ImGui_ImplSDLGPU3_Data* bd = ImGui_ImplSDLGPU3_GetBackendData();
if (SDL_GPUTexture* raw_tex = (SDL_GPUTexture*)(intptr_t)tex->GetTexID())
SDL_ReleaseGPUTexture(bd->InitInfo.Device, raw_tex);
if (tex->GetTexID() != ImTextureID_Invalid)
if (SDL_GPUTexture* raw_tex = (SDL_GPUTexture*)(intptr_t)tex->GetTexID())
SDL_ReleaseGPUTexture(bd->InitInfo.Device, raw_tex);
// Clear identifiers and mark as destroyed (in order to allow e.g. calling InvalidateDeviceObjects while running)
tex->SetTexID(ImTextureID_Invalid);
libs/imgui/backends/imgui_impl_sdlrenderer2.cpp
+4 -2
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@@ -26,6 +26,7 @@
// - Introduction, links and more at the top of imgui.cpp
// CHANGELOG
// 2026-03-12: Fixed invalid assert in ImGui_ImplSDLRenderer2_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplSDLRenderer2_CreateFontsTexture() and ImGui_ImplSDLRenderer2_DestroyFontsTexture().
// 2025-01-18: Use endian-dependent RGBA32 texture format, to match SDL_Color.
@@ -269,8 +270,9 @@ void ImGui_ImplSDLRenderer2_UpdateTexture(ImTextureData* tex)
}
else if (tex->Status == ImTextureStatus_WantDestroy)
{
if (SDL_Texture* sdl_texture = (SDL_Texture*)(intptr_t)tex->TexID)
SDL_DestroyTexture(sdl_texture);
if (tex->TexID != ImTextureID_Invalid)
if (SDL_Texture* sdl_texture = (SDL_Texture*)(intptr_t)tex->TexID)
SDL_DestroyTexture(sdl_texture);
// Clear identifiers and mark as destroyed (in order to allow e.g. calling InvalidateDeviceObjects while running)
tex->SetTexID(ImTextureID_Invalid);
libs/imgui/backends/imgui_impl_sdlrenderer3.cpp
+5 -3
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@@ -26,6 +26,7 @@
// - Introduction, links and more at the top of imgui.cpp
// CHANGELOG
// 2026-03-12: Fixed invalid assert in ImGui_ImplSDLRenderer3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplSDLRenderer3_CreateFontsTexture() and ImGui_ImplSDLRenderer3_DestroyFontsTexture().
// 2025-01-18: Use endian-dependent RGBA32 texture format, to match SDL_Color.
@@ -256,7 +257,7 @@ void ImGui_ImplSDLRenderer3_UpdateTexture(ImTextureData* tex)
{
// Create and upload new texture to graphics system
//IMGUI_DEBUG_LOG("UpdateTexture #%03d: WantCreate %dx%d\n", tex->UniqueID, tex->Width, tex->Height);
IM_ASSERT(tex->TexID == 0 && tex->BackendUserData == nullptr);
IM_ASSERT(tex->TexID == ImTextureID_Invalid && tex->BackendUserData == nullptr);
IM_ASSERT(tex->Format == ImTextureFormat_RGBA32);
// Create texture
@@ -285,8 +286,9 @@ void ImGui_ImplSDLRenderer3_UpdateTexture(ImTextureData* tex)
}
else if (tex->Status == ImTextureStatus_WantDestroy)
{
if (SDL_Texture* sdl_texture = (SDL_Texture*)(intptr_t)tex->TexID)
SDL_DestroyTexture(sdl_texture);
if (tex->TexID != ImTextureID_Invalid)
if (SDL_Texture* sdl_texture = (SDL_Texture*)(intptr_t)tex->TexID)
SDL_DestroyTexture(sdl_texture);
// Clear identifiers and mark as destroyed (in order to allow e.g. calling InvalidateDeviceObjects while running)
tex->SetTexID(ImTextureID_Invalid);
libs/imgui/backends/imgui_impl_vulkan.cpp
+14 -13
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@@ -29,6 +29,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-11: Vulkan: Added ImGui_ImplVulkan_PipelineInfo::ExtraDynamicStates[] to allow specifying extra dynamic states to add when creating the VkPipeline. (#9211)
// 2025-09-26: [Helpers] *BREAKING CHANGE*: Vulkan: Helper ImGui_ImplVulkanH_DestroyWindow() does not call vkDestroySurfaceKHR(): as surface is created by caller of ImGui_ImplVulkanH_CreateOrResizeWindow(), it is more consistent that we don't destroy it. (#9163)
// 2026-01-05: [Helpers] *BREAKING CHANGE*: Vulkan: Helper for creating render pass uses ImGui_ImplVulkanH_Window::AttachmentDesc to create render pass. Removed ClearEnabled. (#9152)
// 2025-11-24: [Helpers] Vulkan: Helper for creating a swap-chain (used by examples and multi-viewports) selects VkSwapchainCreateInfoKHR's compositeAlpha based on cap.supportedCompositeAlpha. (#8784)
@@ -537,14 +538,12 @@ static void ImGui_ImplVulkan_SetupRenderState(ImDrawData* draw_data, VkPipeline
// Setup scale and translation:
// Our visible imgui space lies from draw_data->DisplayPps (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps.
{
float scale[2];
scale[0] = 2.0f / draw_data->DisplaySize.x;
scale[1] = 2.0f / draw_data->DisplaySize.y;
float translate[2];
translate[0] = -1.0f - draw_data->DisplayPos.x * scale[0];
translate[1] = -1.0f - draw_data->DisplayPos.y * scale[1];
vkCmdPushConstants(command_buffer, bd->PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale);
vkCmdPushConstants(command_buffer, bd->PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate);
float constants[4];
constants[0] = 2.0f / draw_data->DisplaySize.x; // Scale
constants[1] = 2.0f / draw_data->DisplaySize.y;
constants[2] = -1.0f - draw_data->DisplayPos.x * constants[0]; // Translate
constants[3] = -1.0f - draw_data->DisplayPos.y * constants[1];
vkCmdPushConstants(command_buffer, bd->PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(float) * 4, constants);
}
}
@@ -1040,11 +1039,13 @@ static VkPipeline ImGui_ImplVulkan_CreatePipeline(VkDevice device, const VkAlloc
blend_info.attachmentCount = 1;
blend_info.pAttachments = color_attachment;
VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
ImVector<VkDynamicState> dynamic_states = info->ExtraDynamicStates;
dynamic_states.push_back(VK_DYNAMIC_STATE_VIEWPORT);
dynamic_states.push_back(VK_DYNAMIC_STATE_SCISSOR);
VkPipelineDynamicStateCreateInfo dynamic_state = {};
dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
dynamic_state.dynamicStateCount = (uint32_t)IM_COUNTOF(dynamic_states);
dynamic_state.pDynamicStates = dynamic_states;
dynamic_state.dynamicStateCount = dynamic_states.Size;
dynamic_state.pDynamicStates = dynamic_states.Data;
VkGraphicsPipelineCreateInfo create_info = {};
create_info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
@@ -1424,6 +1425,7 @@ VkDescriptorSet ImGui_ImplVulkan_AddTexture(VkSampler sampler, VkImageView image
}
// Update the Descriptor Set:
if (descriptor_set != VK_NULL_HANDLE)
{
VkDescriptorImageInfo desc_image[1] = {};
desc_image[0].sampler = sampler;
@@ -1838,7 +1840,6 @@ void ImGui_ImplVulkanH_CreateOrResizeWindow(VkInstance instance, VkPhysicalDevic
VkCommandPoolCreateInfo pool_info = {};
pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
pool_info.queueFamilyIndex = queue_family;
pool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
VkResult err = vkCreateCommandPool(device, &pool_info, allocator, &command_pool);
check_vk_result(err);
@@ -2011,7 +2012,7 @@ static void ImGui_ImplVulkan_CreateWindow(ImGuiViewport* viewport)
requestSurfaceImageFormats.push_back(format);
const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(v->PhysicalDevice, wd->Surface, requestSurfaceImageFormats.Data, (size_t)requestSurfaceImageFormats.Size, requestSurfaceColorSpace);
wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(v->PhysicalDevice, wd->Surface, requestSurfaceImageFormats.Data, requestSurfaceImageFormats.Size, requestSurfaceColorSpace);
// Select Present Mode
// FIXME-VULKAN: Even thought mailbox seems to get us maximum framerate with a single window, it halves framerate with a second window etc. (w/ Nvidia and SDK 1.82.1)
libs/imgui/backends/imgui_impl_vulkan.h
+1
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@@ -90,6 +90,7 @@ struct ImGui_ImplVulkan_PipelineInfo
// For Main and Secondary viewports
uint32_t Subpass; //
VkSampleCountFlagBits MSAASamples = {}; // 0 defaults to VK_SAMPLE_COUNT_1_BIT
ImVector<VkDynamicState> ExtraDynamicStates; // Optional, allows to insert more dynamic states into our VkPipeline
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
VkPipelineRenderingCreateInfoKHR PipelineRenderingCreateInfo; // Optional, valid if .sType == VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR
#endif
libs/imgui/backends/imgui_impl_wgpu.cpp
+91 -57
View File
@@ -22,6 +22,8 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-03-25: Added support for WGVK native backend via IMGUI_IMPL_WEBGPU_BACKEND_WGVK define, with SPIRV shaders if WGSL is not available. (#9316, #9246, #9257)
// 2026-03-09: Removed support for Emscripten < 4.0.10. (#9281)
// 2025-10-16: Update to compile with Dawn and Emscripten's 4.0.10+ '--use-port=emdawnwebgpu' ports. (#8381, #8898)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-12: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. (#8465)
@@ -57,17 +59,14 @@
#include <stdio.h>
// One of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU must be provided. See imgui_impl_wgpu.h for more details.
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) == defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#error Exactly one of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU must be defined!
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) && !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) && !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGVK)
#error Exactly one of IMGUI_IMPL_WEBGPU_BACKEND_DAWN, IMGUI_IMPL_WEBGPU_BACKEND_WGPU or IMGUI_IMPL_WEBGPU_BACKEND_WGVK must be defined!
#endif
// This condition is true when it's built with EMSCRIPTEN using -sUSE_WEBGPU=1 flag (deprecated from 4.0.10)
// This condition is false for all other 3 cases: WGPU-Native, DAWN-Native or DAWN-EMSCRIPTEN (using --use-port=emdawnwebgpu flag)
#if defined(__EMSCRIPTEN__) && defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#define IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN
#error Emscripten <4.0.10 with '-sUSE_WEBGPU=1' is not supported anymore.
#endif
#ifdef IMGUI_IMPL_WEBGPU_BACKEND_DAWN
#if defined IMGUI_IMPL_WEBGPU_BACKEND_DAWN || defined IMGUI_IMPL_WEBGPU_BACKEND_WGVK
// Dawn renamed WGPUProgrammableStageDescriptor to WGPUComputeState (see: https://github.com/webgpu-native/webgpu-headers/pull/413)
// Using type alias until WGPU adopts the same naming convention (#8369)
using WGPUProgrammableStageDescriptor = WGPUComputeState;
@@ -189,6 +188,60 @@ fn main(in: VertexOutput) -> @location(0) vec4<f32> {
}
)";
// Same shader as __shader_vert_wgsl[] but compiled as SPIRV.
// 'wgslc -o vert.spv vert.wgsl' + 'binary_to_compressed_c -u8 -nocompress vert.spv'
static const unsigned char __shader_vert_spirv[1996] =
{
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0,0,62,0,4,0,21,0,0,0,41,0,0,0,0,0,0,0,253,0,1,0,56,0,1,0,
};
// Same shader as __shader_frag_wgsl[] but compiled as SPIRV.
// 'wgslc -o frag.spv frag.wgsl' + 'binary_to_compressed_c -u8 -nocompress frag.spv'
static const unsigned char __shader_frag_spirv[1392] =
{
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0,0,61,0,5,0,5,0,0,0,43,0,0,0,39,0,0,0,0,0,0,0,81,0,5,0,6,0,0,0,44,0,0,0,43,0,0,0,0,0,0,0,124,0,4,0,14,0,0,0,45,0,0,0,44,0,0,0,80,0,6,0,38,0,0,0,46,0,0,0,45,0,0,0,45,0,0,0,45,0,0,0,
12,0,7,0,38,0,0,0,47,0,0,0,48,0,0,0,26,0,0,0,37,0,0,0,46,0,0,0,81,0,5,0,14,0,0,0,49,0,0,0,36,0,0,0,3,0,0,0,80,0,5,0,17,0,0,0,50,0,0,0,47,0,0,0,49,0,0,0,254,0,2,0,50,0,0,0,56,0,1,0,
54,0,5,0,52,0,0,0,51,0,0,0,0,0,0,0,53,0,0,0,248,0,2,0,54,0,0,0,61,0,5,0,17,0,0,0,55,0,0,0,15,0,0,0,0,0,0,0,61,0,5,0,17,0,0,0,56,0,0,0,18,0,0,0,0,0,0,0,61,0,5,0,21,0,0,0,57,0,0,0,19,
0,0,0,0,0,0,0,80,0,6,0,25,0,0,0,58,0,0,0,55,0,0,0,56,0,0,0,57,0,0,0,57,0,5,0,17,0,0,0,59,0,0,0,24,0,0,0,58,0,0,0,62,0,4,0,22,0,0,0,59,0,0,0,0,0,0,0,253,0,1,0,56,0,1,0,
};
static void SafeRelease(ImDrawIdx*& res)
{
if (res)
@@ -259,19 +312,13 @@ static void SafeRelease(FrameResources& res)
SafeRelease(res.VertexBufferHost);
}
static WGPUProgrammableStageDescriptor ImGui_ImplWGPU_CreateShaderModule(const char* wgsl_source)
static WGPUProgrammableStageDescriptor ImGui_ImplWGPU_CreateShaderModuleWGSL(const char* wgsl_source)
{
ImGui_ImplWGPU_Data* bd = ImGui_ImplWGPU_GetBackendData();
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
WGPUShaderSourceWGSL wgsl_desc = {};
wgsl_desc.chain.sType = WGPUSType_ShaderSourceWGSL;
wgsl_desc.code = { wgsl_source, WGPU_STRLEN };
#else
WGPUShaderModuleWGSLDescriptor wgsl_desc = {};
wgsl_desc.chain.sType = WGPUSType_ShaderModuleWGSLDescriptor;
wgsl_desc.code = wgsl_source;
#endif
WGPUShaderModuleDescriptor desc = {};
desc.nextInChain = (WGPUChainedStruct*)&wgsl_desc;
@@ -279,11 +326,26 @@ static WGPUProgrammableStageDescriptor ImGui_ImplWGPU_CreateShaderModule(const c
WGPUProgrammableStageDescriptor stage_desc = {};
stage_desc.module = wgpuDeviceCreateShaderModule(bd->wgpuDevice, &desc);
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
stage_desc.entryPoint = { "main", WGPU_STRLEN };
#else
stage_desc.entryPoint = "main";
#endif
return stage_desc;
}
static WGPUProgrammableStageDescriptor ImGui_ImplWGPU_CreateShaderModuleSPIRV(const void* spirv_binary, size_t spirv_length)
{
ImGui_ImplWGPU_Data* bd = ImGui_ImplWGPU_GetBackendData();
WGPUShaderSourceSPIRV spirv_desc = {};
spirv_desc.chain.sType = WGPUSType_ShaderSourceSPIRV;
spirv_desc.code = (const uint32_t *)spirv_binary;
spirv_desc.codeSize = ((uint32_t)(spirv_length / 4));
WGPUShaderModuleDescriptor desc = {};
desc.nextInChain = (WGPUChainedStruct*)&spirv_desc;
WGPUProgrammableStageDescriptor stage_desc = {};
stage_desc.module = wgpuDeviceCreateShaderModule(bd->wgpuDevice, &desc);
stage_desc.entryPoint = { "main", WGPU_STRLEN };
return stage_desc;
}
@@ -402,11 +464,7 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
WGPUBufferDescriptor vb_desc =
{
nullptr,
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
{ "Dear ImGui Vertex buffer", WGPU_STRLEN, },
#else
"Dear ImGui Vertex buffer",
#endif
WGPUBufferUsage_CopyDst | WGPUBufferUsage_Vertex,
MEMALIGN(fr->VertexBufferSize * sizeof(ImDrawVert), 4),
false
@@ -430,11 +488,7 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
WGPUBufferDescriptor ib_desc =
{
nullptr,
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
{ "Dear ImGui Index buffer", WGPU_STRLEN, },
#else
"Dear ImGui Index buffer",
#endif
WGPUBufferUsage_CopyDst | WGPUBufferUsage_Index,
MEMALIGN(fr->IndexBufferSize * sizeof(ImDrawIdx), 4),
false
@@ -458,8 +512,8 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
}
int64_t vb_write_size = MEMALIGN((char*)vtx_dst - (char*)fr->VertexBufferHost, 4);
int64_t ib_write_size = MEMALIGN((char*)idx_dst - (char*)fr->IndexBufferHost, 4);
wgpuQueueWriteBuffer(bd->defaultQueue, fr->VertexBuffer, 0, fr->VertexBufferHost, vb_write_size);
wgpuQueueWriteBuffer(bd->defaultQueue, fr->IndexBuffer, 0, fr->IndexBufferHost, ib_write_size);
wgpuQueueWriteBuffer(bd->defaultQueue, fr->VertexBuffer, 0, fr->VertexBufferHost, (size_t)vb_write_size);
wgpuQueueWriteBuffer(bd->defaultQueue, fr->IndexBuffer, 0, fr->IndexBufferHost, (size_t)ib_write_size);
// Setup desired render state
ImGui_ImplWGPU_SetupRenderState(draw_data, pass_encoder, fr);
@@ -566,11 +620,7 @@ void ImGui_ImplWGPU_UpdateTexture(ImTextureData* tex)
// Create texture
WGPUTextureDescriptor tex_desc = {};
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
tex_desc.label = { "Dear ImGui Texture", WGPU_STRLEN };
#else
tex_desc.label = "Dear ImGui Texture";
#endif
tex_desc.dimension = WGPUTextureDimension_2D;
tex_desc.size.width = tex->Width;
tex_desc.size.height = tex->Height;
@@ -611,20 +661,12 @@ void ImGui_ImplWGPU_UpdateTexture(ImTextureData* tex)
// Update full texture or selected blocks. We only ever write to textures regions which have never been used before!
// This backend choose to use tex->UpdateRect but you can use tex->Updates[] to upload individual regions.
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
WGPUTexelCopyTextureInfo dst_view = {};
#else
WGPUImageCopyTexture dst_view = {};
#endif
dst_view.texture = backend_tex->Texture;
dst_view.mipLevel = 0;
dst_view.origin = { (uint32_t)upload_x, (uint32_t)upload_y, 0 };
dst_view.aspect = WGPUTextureAspect_All;
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
WGPUTexelCopyBufferLayout layout = {};
#else
WGPUTextureDataLayout layout = {};
#endif
layout.offset = 0;
layout.bytesPerRow = tex->Width * tex->BytesPerPixel;
layout.rowsPerImage = upload_h;
@@ -642,11 +684,7 @@ static void ImGui_ImplWGPU_CreateUniformBuffer()
WGPUBufferDescriptor ub_desc =
{
nullptr,
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
{ "Dear ImGui Uniform buffer", WGPU_STRLEN, },
#else
"Dear ImGui Uniform buffer",
#endif
WGPUBufferUsage_CopyDst | WGPUBufferUsage_Uniform,
MEMALIGN(sizeof(Uniforms), 16),
false
@@ -703,14 +741,15 @@ bool ImGui_ImplWGPU_CreateDeviceObjects()
graphics_pipeline_desc.layout = wgpuDeviceCreatePipelineLayout(bd->wgpuDevice, &layout_desc);
// Create the vertex shader
WGPUProgrammableStageDescriptor vertex_shader_desc = ImGui_ImplWGPU_CreateShaderModule(__shader_vert_wgsl);
WGPUProgrammableStageDescriptor vertex_shader_desc = ImGui_ImplWGPU_CreateShaderModuleWGSL(__shader_vert_wgsl);
if (!vertex_shader_desc.module) vertex_shader_desc = ImGui_ImplWGPU_CreateShaderModuleSPIRV(__shader_vert_spirv, sizeof(__shader_vert_spirv));
graphics_pipeline_desc.vertex.module = vertex_shader_desc.module;
graphics_pipeline_desc.vertex.entryPoint = vertex_shader_desc.entryPoint;
// Vertex input configuration
WGPUVertexAttribute attribute_desc[] =
{
#ifdef IMGUI_IMPL_WEBGPU_BACKEND_DAWN
#if defined IMGUI_IMPL_WEBGPU_BACKEND_DAWN || defined IMGUI_IMPL_WEBGPU_BACKEND_WGVK
{ nullptr, WGPUVertexFormat_Float32x2, (uint64_t)offsetof(ImDrawVert, pos), 0 },
{ nullptr, WGPUVertexFormat_Float32x2, (uint64_t)offsetof(ImDrawVert, uv), 1 },
{ nullptr, WGPUVertexFormat_Unorm8x4, (uint64_t)offsetof(ImDrawVert, col), 2 },
@@ -731,7 +770,8 @@ bool ImGui_ImplWGPU_CreateDeviceObjects()
graphics_pipeline_desc.vertex.buffers = buffer_layouts;
// Create the pixel shader
WGPUProgrammableStageDescriptor pixel_shader_desc = ImGui_ImplWGPU_CreateShaderModule(__shader_frag_wgsl);
WGPUProgrammableStageDescriptor pixel_shader_desc = ImGui_ImplWGPU_CreateShaderModuleWGSL(__shader_frag_wgsl);
if (!pixel_shader_desc.module) pixel_shader_desc = ImGui_ImplWGPU_CreateShaderModuleSPIRV(__shader_frag_spirv, sizeof(__shader_frag_spirv));
// Create the blending setup
WGPUBlendState blend_state = {};
@@ -758,11 +798,7 @@ bool ImGui_ImplWGPU_CreateDeviceObjects()
// Create depth-stencil State
WGPUDepthStencilState depth_stencil_state = {};
depth_stencil_state.format = bd->depthStencilFormat;
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU_EMSCRIPTEN)
depth_stencil_state.depthWriteEnabled = WGPUOptionalBool_False;
#else
depth_stencil_state.depthWriteEnabled = false;
#endif
depth_stencil_state.depthCompare = WGPUCompareFunction_Always;
depth_stencil_state.stencilFront.compare = WGPUCompareFunction_Always;
depth_stencil_state.stencilFront.failOp = WGPUStencilOperation_Keep;
@@ -847,11 +883,9 @@ bool ImGui_ImplWGPU_Init(ImGui_ImplWGPU_InitInfo* init_info)
io.BackendRendererName = "imgui_impl_wgpu (Dawn, Native)";
#endif
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#if defined(__EMSCRIPTEN__)
io.BackendRendererName = "imgui_impl_wgpu (WGPU, Emscripten)"; // linked using EMSCRIPTEN with "-sUSE_WEBGPU=1" flag, deprecated from EMSCRIPTEN 4.0.10
#else
io.BackendRendererName = "imgui_impl_wgpu (WGPU, Native)";
#endif
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGVK)
io.BackendRendererName = "imgui_impl_wgpu (WGVK, Native)";
#endif
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
io.BackendFlags |= ImGuiBackendFlags_RendererHasTextures; // We can honor ImGuiPlatformIO::Textures[] requests during render.
@@ -923,7 +957,7 @@ void ImGui_ImplWGPU_NewFrame()
bool ImGui_ImplWGPU_IsSurfaceStatusError(WGPUSurfaceGetCurrentTextureStatus status)
{
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN)
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) || defined(IMGUI_IMPL_WEBGPU_BACKEND_WGVK)
return (status == WGPUSurfaceGetCurrentTextureStatus_Error);
#else
return (status == WGPUSurfaceGetCurrentTextureStatus_OutOfMemory || status == WGPUSurfaceGetCurrentTextureStatus_DeviceLost);
@@ -940,7 +974,7 @@ bool ImGui_ImplWGPU_IsSurfaceStatusSubOptimal(WGPUSurfaceGetCurrentTextureStatus
}
// Helpers to obtain a string
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN)
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) || defined(IMGUI_IMPL_WEBGPU_BACKEND_WGVK)
const char* ImGui_ImplWGPU_GetErrorTypeName(WGPUErrorType type)
{
switch (type)
libs/imgui/backends/imgui_impl_wgpu.h
+5 -16
View File
@@ -3,14 +3,16 @@
// (Please note that WebGPU is a recent API, may not be supported by all browser, and its ecosystem is generally a mess)
// When targeting native platforms:
// - One of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU *must* be provided.
// - One of IMGUI_IMPL_WEBGPU_BACKEND_DAWN, IMGUI_IMPL_WEBGPU_BACKEND_WGPU or IMGUI_IMPL_WEBGPU_BACKEND_WGVK *must* be provided.
// When targeting Emscripten:
// - We now defaults to IMGUI_IMPL_WEBGPU_BACKEND_DAWN is Emscripten version is 4.0.10+, which correspond to using Emscripten '--use-port=emdawnwebgpu'.
// - We now defaults to IMGUI_IMPL_WEBGPU_BACKEND_DAWN and requires Emscripten 4.0.10+, which correspond to using Emscripten '--use-port=emdawnwebgpu'.
// - Emscripten < 4.0.10 is not supported anymore (old '-sUSE_WEBGPU=1' option).
// - We can still define IMGUI_IMPL_WEBGPU_BACKEND_WGPU to use Emscripten '-s USE_WEBGPU=1' which is marked as obsolete by Emscripten.
// Add #define to your imconfig.h file, or as a compilation flag in your build system.
// This requirement may be removed once WebGPU stabilizes and backends converge on a unified interface.
//#define IMGUI_IMPL_WEBGPU_BACKEND_DAWN
//#define IMGUI_IMPL_WEBGPU_BACKEND_WGPU
//#define IMGUI_IMPL_WEBGPU_BACKEND_WGVK
// Implemented features:
// [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID/ImTextureRef!
@@ -35,20 +37,7 @@
// Setup Emscripten default if not specified.
#if defined(__EMSCRIPTEN__) && !defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) && !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#include <emscripten/version.h>
#ifdef __EMSCRIPTEN_MAJOR__
#if (__EMSCRIPTEN_MAJOR__ >= 4) && (__EMSCRIPTEN_MINOR__ >= 0) && (__EMSCRIPTEN_TINY__ >= 10)
#define IMGUI_IMPL_WEBGPU_BACKEND_DAWN
#else
#define IMGUI_IMPL_WEBGPU_BACKEND_WGPU
#endif
#else
#if (__EMSCRIPTEN_major__ >= 4) && (__EMSCRIPTEN_minor__ >= 0) && (__EMSCRIPTEN_tiny__ >= 10)
#define IMGUI_IMPL_WEBGPU_BACKEND_DAWN
#else
#define IMGUI_IMPL_WEBGPU_BACKEND_WGPU
#endif
#endif
#endif
#include <webgpu/webgpu.h>
@@ -111,7 +100,7 @@ const char* ImGui_ImplWGPU_GetAdapterTypeName(WGPUAdapterType type);
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN)
const char* ImGui_ImplWGPU_GetDeviceLostReasonName(WGPUDeviceLostReason type);
const char* ImGui_ImplWGPU_GetErrorTypeName(WGPUErrorType type);
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) && !defined(__EMSCRIPTEN__)
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
const char* ImGui_ImplWGPU_GetLogLevelName(WGPULogLevel level);
#endif
libs/imgui/backends/imgui_impl_win32.cpp
+50 -14
View File
@@ -23,21 +23,22 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-03-31: [Viewports] Fixed setting/getting size when viewports have OS decorations (e.g. io.ConfigViewportsNoDecoration = false) and process is running in Per-Monitor V2 DPI mode. (#8897)
// 2026-01-28: Inputs: Minor optimization not submitting gamepad input if packet number has not changed (reworked from 2025-09-23 attempt). (#9202, #8556)
// 2026-01-26: [Docking] Fixed an issue from 1.90.5 where newly appearing windows that are not parented to the main viewport don't have task bar icon appear before the windows was explicited refocused. (#7354, #8669)
// 2026-01-26: [Viewports] Fixed an issue from 1.90.5 where newly appearing windows that are not parented to the main viewport don't have task bar icon appear before the windows was explicited refocused. (#7354, #8669)
// 2025-12-03: Inputs: handle WM_IME_CHAR/WM_IME_COMPOSITION messages to support Unicode inputs on MBCS (non-Unicode) Windows. (#9099, #3653, #5961)
// 2025-10-19: Inputs: Revert previous change to allow for io.ClearInputKeys() on focus-out not losing gamepad state.
// 2025-09-23: Inputs: Minor optimization not submitting gamepad input if packet number has not changed.
// 2025-09-18: Call platform_io.ClearPlatformHandlers() on shutdown.
// 2025-06-02: [Docking] WM_DPICHANGED also apply io.ConfigDpiScaleViewports for main viewport instead of letting it be done by application code.
// 2025-06-02: [Viewports] WM_DPICHANGED also apply io.ConfigDpiScaleViewports for main viewport instead of letting it be done by application code.
// 2025-04-30: Inputs: Fixed an issue where externally losing mouse capture (due to e.g. focus loss) would fail to claim it again the next subsequent click. (#8594)
// 2025-03-26: [Docking] Viewports: fixed an issue when closing a window from the OS close button (with io.ConfigViewportsNoDecoration = false) while user code was discarding the 'bool* p_open = false' output from Begin(). Because we allowed the Win32 window to close early, Windows destroyed it and our imgui window became not visible even though user code was still submitting it.
// 2025-03-26: [Viewports] Viewports: fixed an issue when closing a window from the OS close button (with io.ConfigViewportsNoDecoration = false) while user code was discarding the 'bool* p_open = false' output from Begin(). Because we allowed the Win32 window to close early, Windows destroyed it and our imgui window became not visible even though user code was still submitting it.
// 2025-03-10: When dealing with OEM keys, use scancodes instead of translated keycodes to choose ImGuiKey values. (#7136, #7201, #7206, #7306, #7670, #7672, #8468)
// 2025-02-21: [Docking] WM_SETTINGCHANGE's SPI_SETWORKAREA message also triggers a refresh of monitor list. (#8415)
// 2025-02-21: [Viewports] WM_SETTINGCHANGE's SPI_SETWORKAREA message also triggers a refresh of monitor list. (#8415)
// 2025-02-18: Added ImGuiMouseCursor_Wait and ImGuiMouseCursor_Progress mouse cursor support.
// 2024-11-21: [Docking] Fixed a crash when multiple processes are running with multi-viewports, caused by misusage of GetProp(). (#8162, #8069)
// 2024-10-28: [Docking] Rely on property stored inside HWND to retrieve context/viewport, should facilitate attempt to use this for parallel contexts. (#8069)
// 2024-09-16: [Docking] Inputs: fixed an issue where a viewport destroyed while clicking would hog mouse tracking and temporary lead to incorrect update of HoveredWindow. (#7971)
// 2024-11-21: [Viewports] Fixed a crash when multiple processes are running with multi-viewports, caused by misusage of GetProp(). (#8162, #8069)
// 2024-10-28: [Viewports] Rely on property stored inside HWND to retrieve context/viewport, should facilitate attempt to use this for parallel contexts. (#8069)
// 2024-09-16: [Viewports] Inputs: fixed an issue where a viewport destroyed while clicking would hog mouse tracking and temporary lead to incorrect update of HoveredWindow. (#7971)
// 2024-07-08: Inputs: Fixed ImGuiMod_Super being mapped to VK_APPS instead of VK_LWIN||VK_RWIN. (#7768)
// 2023-10-05: Inputs: Added support for extra ImGuiKey values: F13 to F24 function keys, app back/forward keys.
// 2023-09-25: Inputs: Synthesize key-down event on key-up for VK_SNAPSHOT / ImGuiKey_PrintScreen as Windows doesn't emit it (same behavior as GLFW/SDL).
@@ -108,6 +109,7 @@
typedef DWORD(WINAPI* PFN_XInputGetCapabilities)(DWORD, DWORD, XINPUT_CAPABILITIES*);
typedef DWORD(WINAPI* PFN_XInputGetState)(DWORD, XINPUT_STATE*);
#endif
typedef BOOL(WINAPI* PFN_AdjustWindowRectExForDpi)(LPRECT, DWORD, BOOL, DWORD, UINT);
// Clang/GCC warnings with -Weverything
#if defined(__clang__)
@@ -124,6 +126,7 @@ typedef DWORD(WINAPI* PFN_XInputGetState)(DWORD, XINPUT_STATE*);
static void ImGui_ImplWin32_InitMultiViewportSupport(bool platform_has_own_dc);
static void ImGui_ImplWin32_ShutdownMultiViewportSupport();
static void ImGui_ImplWin32_UpdateMonitors();
static bool ImGui_ImplWin32_IsDpiAwarenessPerMonitorAwareV2();
struct ImGui_ImplWin32_Data
{
@@ -136,6 +139,8 @@ struct ImGui_ImplWin32_Data
ImGuiMouseCursor LastMouseCursor;
UINT32 KeyboardCodePage;
bool WantUpdateMonitors;
bool IsPerMonitorDpiAwareV2;
PFN_AdjustWindowRectExForDpi AdjustWindowRectExForDpi;
#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
bool HasGamepad;
@@ -213,6 +218,10 @@ static bool ImGui_ImplWin32_InitEx(void* hwnd, bool platform_has_own_dc)
::SetPropA(bd->hWnd, "IMGUI_CONTEXT", ImGui::GetCurrentContext());
ImGui_ImplWin32_InitMultiViewportSupport(platform_has_own_dc);
if (HINSTANCE user32_dll = ::GetModuleHandleA("user32.dll"))
bd->AdjustWindowRectExForDpi = (PFN_AdjustWindowRectExForDpi)::GetProcAddress(user32_dll, "AdjustWindowRectExForDpi");
bd->IsPerMonitorDpiAwareV2 = ImGui_ImplWin32_IsDpiAwarenessPerMonitorAwareV2();
// Dynamically load XInput library
#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
bd->WantUpdateHasGamepad = true;
@@ -941,6 +950,7 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandlerEx(HWND hwnd, UINT msg, WPA
return 0;
case WM_DPICHANGED:
{
// FIXME-DPI: see SDL3's WM_GETDPISCALEDSIZE handler.
const RECT* suggested_rect = (RECT*)lParam;
if (io.ConfigDpiScaleViewports)
::SetWindowPos(hwnd, nullptr, suggested_rect->left, suggested_rect->top, suggested_rect->right - suggested_rect->left, suggested_rect->bottom - suggested_rect->top, SWP_NOZORDER | SWP_NOACTIVATE);
@@ -1003,9 +1013,11 @@ DECLARE_HANDLE(DPI_AWARENESS_CONTEXT);
#ifndef DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 (DPI_AWARENESS_CONTEXT)-4
#endif
typedef HRESULT(WINAPI* PFN_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS); // Shcore.lib + dll, Windows 8.1+
typedef HRESULT(WINAPI* PFN_GetDpiForMonitor)(HMONITOR, MONITOR_DPI_TYPE, UINT*, UINT*); // Shcore.lib + dll, Windows 8.1+
typedef DPI_AWARENESS_CONTEXT(WINAPI* PFN_SetThreadDpiAwarenessContext)(DPI_AWARENESS_CONTEXT); // User32.lib + dll, Windows 10 v1607+ (Creators Update)
typedef HRESULT(WINAPI* PFN_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS); // Shcore.lib + dll, Windows 8.1+
typedef HRESULT(WINAPI* PFN_GetDpiForMonitor)(HMONITOR, MONITOR_DPI_TYPE, UINT*, UINT*); // Shcore.lib + dll, Windows 8.1+
typedef DPI_AWARENESS_CONTEXT(WINAPI* PFN_SetThreadDpiAwarenessContext)(DPI_AWARENESS_CONTEXT); // User32.lib + dll, Windows 10 v1607+ (Creators Update)
typedef DPI_AWARENESS_CONTEXT(WINAPI* PFN_GetThreadDpiAwarenessContext)(); // "
typedef BOOL(WINAPI* PFN_AreDpiAwarenessContextsEqual)(DPI_AWARENESS_CONTEXT, DPI_AWARENESS_CONTEXT); // "
// Helper function to enable DPI awareness without setting up a manifest
void ImGui_ImplWin32_EnableDpiAwareness()
@@ -1037,6 +1049,18 @@ void ImGui_ImplWin32_EnableDpiAwareness()
#endif
}
static bool ImGui_ImplWin32_IsDpiAwarenessPerMonitorAwareV2()
{
if (!_IsWindows10OrGreater())
return false;
static HINSTANCE user32_dll = ::GetModuleHandleA("user32.dll");
PFN_GetThreadDpiAwarenessContext GetThreadDpiAwarenessContextFn = (PFN_GetThreadDpiAwarenessContext)::GetProcAddress(user32_dll, "GetThreadDpiAwarenessContext");
PFN_AreDpiAwarenessContextsEqual AreDpiAwarenessContextsEqualFn = (PFN_AreDpiAwarenessContextsEqual)::GetProcAddress(user32_dll, "AreDpiAwarenessContextsEqual");
if (GetThreadDpiAwarenessContextFn && AreDpiAwarenessContextsEqualFn)
return AreDpiAwarenessContextsEqualFn(GetThreadDpiAwarenessContextFn(), DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2) != 0;
return false;
}
#if defined(_MSC_VER) && !defined(NOGDI)
#pragma comment(lib, "gdi32") // Link with gdi32.lib for GetDeviceCaps(). MinGW will require linking with '-lgdi32'
#endif
@@ -1155,6 +1179,18 @@ static HWND ImGui_ImplWin32_GetHwndFromViewport(ImGuiViewport* viewport)
return nullptr;
}
static void ImGui_ImplWin32_AdjustWindowRect(ImGuiViewport* viewport, RECT* rect, DWORD style, DWORD ex_style)
{
ImGui_ImplWin32_Data* bd = ImGui_ImplWin32_GetBackendData();
if (bd->AdjustWindowRectExForDpi && bd->IsPerMonitorDpiAwareV2)
{
UINT dpi = (UINT)(viewport->DpiScale * 96.0f + 0.5f);
if (dpi != 0 && bd->AdjustWindowRectExForDpi(rect, style, FALSE, ex_style, dpi))
return;
}
::AdjustWindowRectEx(rect, style, FALSE, ex_style);
}
static void ImGui_ImplWin32_CreateWindow(ImGuiViewport* viewport)
{
ImGui_ImplWin32_ViewportData* vd = IM_NEW(ImGui_ImplWin32_ViewportData)();
@@ -1166,7 +1202,7 @@ static void ImGui_ImplWin32_CreateWindow(ImGuiViewport* viewport)
// Create window
RECT rect = { (LONG)viewport->Pos.x, (LONG)viewport->Pos.y, (LONG)(viewport->Pos.x + viewport->Size.x), (LONG)(viewport->Pos.y + viewport->Size.y) };
::AdjustWindowRectEx(&rect, vd->DwStyle, FALSE, vd->DwExStyle);
ImGui_ImplWin32_AdjustWindowRect(viewport, &rect, vd->DwStyle, vd->DwExStyle);
vd->Hwnd = ::CreateWindowExW(
vd->DwExStyle, L"ImGui Platform", L"Untitled", vd->DwStyle, // Style, class name, window name
rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, // Window area
@@ -1259,7 +1295,7 @@ static void ImGui_ImplWin32_UpdateWindow(ImGuiViewport* viewport)
::SetWindowLong(vd->Hwnd, GWL_STYLE, vd->DwStyle);
::SetWindowLong(vd->Hwnd, GWL_EXSTYLE, vd->DwExStyle);
RECT rect = { (LONG)viewport->Pos.x, (LONG)viewport->Pos.y, (LONG)(viewport->Pos.x + viewport->Size.x), (LONG)(viewport->Pos.y + viewport->Size.y) };
::AdjustWindowRectEx(&rect, vd->DwStyle, FALSE, vd->DwExStyle); // Client to Screen
ImGui_ImplWin32_AdjustWindowRect(viewport, &rect, vd->DwStyle, vd->DwExStyle); // Client to Screen
::SetWindowPos(vd->Hwnd, insert_after, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, swp_flag | SWP_NOACTIVATE | SWP_FRAMECHANGED);
::ShowWindow(vd->Hwnd, SW_SHOWNA); // This is necessary when we alter the style
viewport->PlatformRequestMove = viewport->PlatformRequestResize = true;
@@ -1289,7 +1325,7 @@ static void ImGui_ImplWin32_SetWindowPos(ImGuiViewport* viewport, ImVec2 pos)
RECT rect = { (LONG)pos.x, (LONG)pos.y, (LONG)pos.x, (LONG)pos.y };
if (viewport->Flags & ImGuiViewportFlags_OwnedByApp)
ImGui_ImplWin32_UpdateWin32StyleFromWindow(viewport); // Not our window, poll style before using
::AdjustWindowRectEx(&rect, vd->DwStyle, FALSE, vd->DwExStyle);
ImGui_ImplWin32_AdjustWindowRect(viewport, &rect, vd->DwStyle, vd->DwExStyle);
::SetWindowPos(vd->Hwnd, nullptr, rect.left, rect.top, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
}
@@ -1309,7 +1345,7 @@ static void ImGui_ImplWin32_SetWindowSize(ImGuiViewport* viewport, ImVec2 size)
RECT rect = { 0, 0, (LONG)size.x, (LONG)size.y };
if (viewport->Flags & ImGuiViewportFlags_OwnedByApp)
ImGui_ImplWin32_UpdateWin32StyleFromWindow(viewport); // Not our window, poll style before using
::AdjustWindowRectEx(&rect, vd->DwStyle, FALSE, vd->DwExStyle); // Client to Screen
ImGui_ImplWin32_AdjustWindowRect(viewport, &rect, vd->DwStyle, vd->DwExStyle); // Client to Screen
::SetWindowPos(vd->Hwnd, nullptr, 0, 0, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
}