Merge branch 'master' into docking

# Conflicts:
#	backends/imgui_impl_allegro5.cpp
#	backends/imgui_impl_allegro5.h
#	backends/imgui_impl_android.cpp
#	backends/imgui_impl_android.h
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx10.h
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_dx9.h
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_glfw.h
#	backends/imgui_impl_metal.h
#	backends/imgui_impl_metal.mm
#	backends/imgui_impl_opengl2.cpp
#	backends/imgui_impl_opengl2.h
#	backends/imgui_impl_opengl3.cpp
#	backends/imgui_impl_opengl3.h
#	backends/imgui_impl_sdl2.cpp
#	backends/imgui_impl_sdl2.h
#	backends/imgui_impl_sdl3.cpp
#	backends/imgui_impl_sdl3.h
#	backends/imgui_impl_vulkan.cpp
#	backends/imgui_impl_vulkan.h
#	backends/imgui_impl_win32.cpp
#	backends/imgui_impl_win32.h
#	imgui.cpp

backends/imgui_impl_allegro5.cpp

@@ -4,12 +4,12 @@
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID!
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy ALLEGRO_KEY_* values are obsolete since 1.87 and not supported since 1.91.5]
-//  [X] Platform: Clipboard support (from Allegro 5.1.12)
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
-// Missing features:
-//  [ ] Renderer: Multi-viewport support (multiple windows)..
-//  [ ] Renderer: The renderer is suboptimal as we need to convert vertices manually.
+//  [X] Platform: Clipboard support (from Allegro 5.1.12).
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+// Missing features or Issues:
+//  [ ] Renderer: The renderer is suboptimal as we need to unindex our buffers and convert vertices manually.
 //  [ ] Platform: Missing gamepad support.
+//  [ ] Renderer: Multi-viewport support (multiple windows).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.

backends/imgui_impl_allegro5.h

@@ -4,12 +4,12 @@
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID!
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy ALLEGRO_KEY_* values are obsolete since 1.87 and not supported since 1.91.5]
-//  [X] Platform: Clipboard support (from Allegro 5.1.12)
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
-// Missing features:
-//  [ ] Renderer: Multi-viewport support (multiple windows)..
+//  [X] Platform: Clipboard support (from Allegro 5.1.12).
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+// Missing features or Issues:
 //  [ ] Renderer: The renderer is suboptimal as we need to unindex our buffers and convert vertices manually.
 //  [ ] Platform: Missing gamepad support.
+//  [ ] Renderer: Multi-viewport support (multiple windows).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.

backends/imgui_impl_android.cpp

@@ -4,10 +4,10 @@
 // Implemented features:
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy AKEYCODE_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen/Pen.
-// Missing features:
+// Missing features or Issues:
 //  [ ] Platform: Clipboard support.
 //  [ ] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [ ] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. FIXME: Check if this is even possible with Android.
+//  [ ] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. FIXME: Check if this is even possible with Android.
 //  [ ] Platform: Multi-viewport support (multiple windows). Not meaningful on Android.
 // Important:
 //  - Consider using SDL or GLFW backend on Android, which will be more full-featured than this.

backends/imgui_impl_android.h

@@ -4,10 +4,10 @@
 // Implemented features:
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy AKEYCODE_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen/Pen.
-// Missing features:
+// Missing features or Issues:
 //  [ ] Platform: Clipboard support.
 //  [ ] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [ ] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. FIXME: Check if this is even possible with Android.
+//  [ ] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. FIXME: Check if this is even possible with Android.
 //  [ ] Platform: Multi-viewport support (multiple windows). Not meaningful on Android.
 // Important:
 //  - Consider using SDL or GLFW backend on Android, which will be more full-featured than this.

backends/imgui_impl_dx10.cpp

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'ID3D10ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
@@ -347,21 +347,16 @@ static void ImGui_ImplDX10_CreateFontsTexture()
 
     // Store our identifier
     io.Fonts->SetTexID((ImTextureID)bd->pFontTextureView);
+}
 
-    // Create texture sampler
-    // (Bilinear sampling is required by default. Set 'io.Fonts->Flags |= ImFontAtlasFlags_NoBakedLines' or 'style.AntiAliasedLinesUseTex = false' to allow point/nearest sampling)
+static void ImGui_ImplDX10_DestroyFontsTexture()
+{
+    ImGui_ImplDX10_Data* bd = ImGui_ImplDX10_GetBackendData();
+    if (bd->pFontTextureView)
     {
-        D3D10_SAMPLER_DESC desc;
-        ZeroMemory(&desc, sizeof(desc));
-        desc.Filter = D3D10_FILTER_MIN_MAG_MIP_LINEAR;
-        desc.AddressU = D3D10_TEXTURE_ADDRESS_CLAMP;
-        desc.AddressV = D3D10_TEXTURE_ADDRESS_CLAMP;
-        desc.AddressW = D3D10_TEXTURE_ADDRESS_CLAMP;
-        desc.MipLODBias = 0.f;
-        desc.ComparisonFunc = D3D10_COMPARISON_ALWAYS;
-        desc.MinLOD = 0.f;
-        desc.MaxLOD = 0.f;
-        bd->pd3dDevice->CreateSamplerState(&desc, &bd->pFontSampler);
+        bd->pFontTextureView->Release();
+        bd->pFontTextureView = nullptr;
+        ImGui::GetIO().Fonts->SetTexID(0); // We copied bd->pFontTextureView to io.Fonts->TexID so let's clear that as well.
     }
 }
 
@@ -514,6 +509,22 @@ bool    ImGui_ImplDX10_CreateDeviceObjects()
         bd->pd3dDevice->CreateDepthStencilState(&desc, &bd->pDepthStencilState);
     }
 
+    // Create texture sampler
+    // (Bilinear sampling is required by default. Set 'io.Fonts->Flags |= ImFontAtlasFlags_NoBakedLines' or 'style.AntiAliasedLinesUseTex = false' to allow point/nearest sampling)
+    {
+        D3D10_SAMPLER_DESC desc;
+        ZeroMemory(&desc, sizeof(desc));
+        desc.Filter = D3D10_FILTER_MIN_MAG_MIP_LINEAR;
+        desc.AddressU = D3D10_TEXTURE_ADDRESS_CLAMP;
+        desc.AddressV = D3D10_TEXTURE_ADDRESS_CLAMP;
+        desc.AddressW = D3D10_TEXTURE_ADDRESS_CLAMP;
+        desc.MipLODBias = 0.f;
+        desc.ComparisonFunc = D3D10_COMPARISON_ALWAYS;
+        desc.MinLOD = 0.f;
+        desc.MaxLOD = 0.f;
+        bd->pd3dDevice->CreateSamplerState(&desc, &bd->pFontSampler);
+    }
+
     ImGui_ImplDX10_CreateFontsTexture();
 
     return true;
@@ -525,8 +536,9 @@ void    ImGui_ImplDX10_InvalidateDeviceObjects()
     if (!bd->pd3dDevice)
         return;
 
+    ImGui_ImplDX10_DestroyFontsTexture();
+
     if (bd->pFontSampler)           { bd->pFontSampler->Release(); bd->pFontSampler = nullptr; }
-    if (bd->pFontTextureView)       { bd->pFontTextureView->Release(); bd->pFontTextureView = nullptr; ImGui::GetIO().Fonts->SetTexID(0); } // We copied bd->pFontTextureView to io.Fonts->TexID so let's clear that as well.
     if (bd->pIB)                    { bd->pIB->Release(); bd->pIB = nullptr; }
     if (bd->pVB)                    { bd->pVB->Release(); bd->pVB = nullptr; }
     if (bd->pBlendState)            { bd->pBlendState->Release(); bd->pBlendState = nullptr; }
@@ -592,7 +604,7 @@ void ImGui_ImplDX10_NewFrame()
     ImGui_ImplDX10_Data* bd = ImGui_ImplDX10_GetBackendData();
     IM_ASSERT(bd != nullptr && "Context or backend not initialized! Did you call ImGui_ImplDX10_Init()?");
 
-    if (!bd->pFontSampler)
+    if (!bd->pVertexShader)
         ImGui_ImplDX10_CreateDeviceObjects();
 }
 

backends/imgui_impl_dx10.h

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'ID3D10ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_dx11.cpp

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
@@ -304,7 +304,7 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
         global_idx_offset += draw_list->IdxBuffer.Size;
         global_vtx_offset += draw_list->VtxBuffer.Size;
     }
-    platform_io.Renderer_RenderState = NULL;
+    platform_io.Renderer_RenderState = nullptr;
 
     // Restore modified DX state
     device->RSSetScissorRects(old.ScissorRectsCount, old.ScissorRects);

backends/imgui_impl_dx11.h

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 

backends/imgui_impl_dx12.cpp

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 //      FIXME: The transition from removing a viewport and moving the window in an existing hosted viewport tends to flicker.
@@ -22,6 +22,7 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
+//  2024-12-09: DirectX12: Let user specifies the DepthStencilView format by setting ImGui_ImplDX12_InitInfo::DSVFormat. 
 //  2024-11-15: DirectX12: *BREAKING CHANGE* Changed ImGui_ImplDX12_Init() signature to take a ImGui_ImplDX12_InitInfo struct. Legacy ImGui_ImplDX12_Init() signature is still supported (will obsolete).
 //  2024-11-15: DirectX12: *BREAKING CHANGE* User is now required to pass function pointers to allocate/free SRV Descriptors. We provide convenience legacy fields to pass a single descriptor, matching the old API, but upcoming features will want multiple.
 //  2024-10-23: DirectX12: Unmap() call specify written range. The range is informational and may be used by debug tools.
@@ -77,6 +78,7 @@ struct ImGui_ImplDX12_Data
     ID3D12RootSignature*        pRootSignature;
     ID3D12PipelineState*        pPipelineState;
     DXGI_FORMAT                 RTVFormat;
+    DXGI_FORMAT                 DSVFormat;
     ID3D12DescriptorHeap*       pd3dSrvDescHeap;
     UINT                        numFramesInFlight;
     ImGui_ImplDX12_Texture      FontTexture;
@@ -388,7 +390,7 @@ void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3D12GraphicsCommandL
         global_idx_offset += draw_list->IdxBuffer.Size;
         global_vtx_offset += draw_list->VtxBuffer.Size;
     }
-    platform_io.Renderer_RenderState = NULL;
+    platform_io.Renderer_RenderState = nullptr;
 }
 
 static void ImGui_ImplDX12_CreateFontsTexture()
@@ -646,6 +648,7 @@ bool    ImGui_ImplDX12_CreateDeviceObjects()
     psoDesc.SampleMask = UINT_MAX;
     psoDesc.NumRenderTargets = 1;
     psoDesc.RTVFormats[0] = bd->RTVFormat;
+    psoDesc.DSVFormat = bd->DSVFormat;
     psoDesc.SampleDesc.Count = 1;
     psoDesc.Flags = D3D12_PIPELINE_STATE_FLAG_NONE;
 
@@ -812,6 +815,7 @@ bool ImGui_ImplDX12_Init(ImGui_ImplDX12_InitInfo* init_info)
 
     bd->pd3dDevice = init_info->Device;
     bd->RTVFormat = init_info->RTVFormat;
+    bd->DSVFormat = init_info->DSVFormat;
     bd->numFramesInFlight = init_info->NumFramesInFlight;
     bd->pd3dSrvDescHeap = init_info->SrvDescriptorHeap;
 
@@ -828,7 +832,7 @@ bool ImGui_ImplDX12_Init(ImGui_ImplDX12_InitInfo* init_info)
     main_viewport->RendererUserData = IM_NEW(ImGui_ImplDX12_ViewportData)(bd->numFramesInFlight);
 
 #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
-    if (init_info->SrvDescriptorAllocFn == NULL)
+    if (init_info->SrvDescriptorAllocFn == nullptr)
     {
         // Wrap legacy behavior of passing space for a single descriptor
         IM_ASSERT(init_info->LegacySingleSrvCpuDescriptor.ptr != 0 && init_info->LegacySingleSrvGpuDescriptor.ptr != 0);
@@ -850,7 +854,7 @@ bool ImGui_ImplDX12_Init(ImGui_ImplDX12_InitInfo* init_info)
 #endif
 
     // Allocate 1 SRV descriptor for the font texture
-    IM_ASSERT(init_info->SrvDescriptorAllocFn != NULL && init_info->SrvDescriptorFreeFn != NULL);
+    IM_ASSERT(init_info->SrvDescriptorAllocFn != nullptr && init_info->SrvDescriptorFreeFn != nullptr);
     init_info->SrvDescriptorAllocFn(&bd->InitInfo, &bd->FontTexture.hFontSrvCpuDescHandle, &bd->FontTexture.hFontSrvGpuDescHandle);
 
     return true;

backends/imgui_impl_dx12.h

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
@@ -30,7 +30,8 @@ struct ImGui_ImplDX12_InitInfo
     ID3D12Device*               Device;
     ID3D12CommandQueue*         CommandQueue;
     int                         NumFramesInFlight;
-    DXGI_FORMAT                 RTVFormat;
+    DXGI_FORMAT                 RTVFormat;          // RenderTarget format.
+    DXGI_FORMAT                 DSVFormat;          // DepthStencilView format.
     void*                       UserData;
 
     // Allocating SRV descriptors for textures is up to the application, so we provide callbacks.

backends/imgui_impl_dx9.cpp

@@ -3,8 +3,8 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
-//  [X] Renderer: IMGUI_USE_BGRA_PACKED_COLOR is supported, as this is the optimal color encoding for DirectX9.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
+//  [X] Renderer: IMGUI_USE_BGRA_PACKED_COLOR support, as this is the optimal color encoding for DirectX9.
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_dx9.h

@@ -3,8 +3,8 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
-//  [X] Renderer: IMGUI_USE_BGRA_PACKED_COLOR is supported, as this is the optimal color encoding for DirectX9.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
+//  [X] Renderer: IMGUI_USE_BGRA_PACKED_COLOR support, as this is the optimal color encoding for DirectX9.
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_glfw.cpp

@@ -8,9 +8,9 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen/Pen (Windows only).
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLFW_KEY_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange' (note: the resizing cursors requires GLFW 3.4+).
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Resizing cursors requires GLFW 3.4+! Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: Multi-viewport: ParentViewportID not honored, and so io.ConfigViewportsNoDefaultParent has no effect (minor).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
@@ -629,8 +629,8 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
     bd->WantUpdateMonitors = true;
 
     ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
-    platform_io.Platform_SetClipboardTextFn = [](ImGuiContext*, const char* text) { glfwSetClipboardString(NULL, text); };
-    platform_io.Platform_GetClipboardTextFn = [](ImGuiContext*) { return glfwGetClipboardString(NULL); };
+    platform_io.Platform_SetClipboardTextFn = [](ImGuiContext*, const char* text) { glfwSetClipboardString(nullptr, text); };
+    platform_io.Platform_GetClipboardTextFn = [](ImGuiContext*) { return glfwGetClipboardString(nullptr); };
 #ifdef __EMSCRIPTEN__
     platform_io.Platform_OpenInShellFn = [](ImGuiContext*, const char* url) { ImGui_ImplGlfw_EmscriptenOpenURL(url); return true; };
 #endif

backends/imgui_impl_glfw.h

@@ -8,9 +8,9 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen/Pen (Windows only).
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLFW_KEY_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange' (note: the resizing cursors requires GLFW 3.4+).
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Resizing cursors requires GLFW 3.4+! Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: Multi-viewport: ParentViewportID not honored, and so io.ConfigViewportsNoDefaultParent has no effect (minor).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_glut.cpp

@@ -7,7 +7,7 @@
 
 // Implemented features:
 //  [X] Platform: Partial keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLUT values are obsolete since 1.87 and not supported since 1.91.5]
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
 //  [ ] Platform: Missing horizontal mouse wheel support.
 //  [ ] Platform: Missing mouse cursor shape/visibility support.

backends/imgui_impl_glut.h

@@ -7,7 +7,7 @@
 
 // Implemented features:
 //  [X] Platform: Partial keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLUT values are obsolete since 1.87 and not supported since 1.91.5]
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
 //  [ ] Platform: Missing horizontal mouse wheel support.
 //  [ ] Platform: Missing mouse cursor shape/visibility support.

backends/imgui_impl_metal.h

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'MTLTexture' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_metal.mm

@@ -3,7 +3,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'MTLTexture' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_opengl2.cpp

@@ -4,6 +4,8 @@
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
+// Missing features or Issues:
+//  [ ] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.

backends/imgui_impl_opengl2.h

@@ -4,6 +4,8 @@
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
+// Missing features or Issues:
+//  [ ] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.

backends/imgui_impl_opengl3.cpp

@@ -5,7 +5,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices (Desktop OpenGL only).
+//  [x] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset) [Desktop OpenGL only!]
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // About WebGL/ES:
@@ -303,15 +303,13 @@ bool    ImGui_ImplOpenGL3_Init(const char* glsl_version)
     io.BackendRendererName = "imgui_impl_opengl3";
 
     // Query for GL version (e.g. 320 for GL 3.2)
+    const char* gl_version_str = (const char*)glGetString(GL_VERSION);
 #if defined(IMGUI_IMPL_OPENGL_ES2)
     // GLES 2
-    const char* gl_version_str = "";
-    IM_UNUSED(gl_version_str); // For IMGUI_IMPL_OPENGL_DEBUG block below.
     bd->GlVersion = 200;
     bd->GlProfileIsES2 = true;
 #else
     // Desktop or GLES 3
-    const char* gl_version_str = (const char*)glGetString(GL_VERSION);
     GLint major = 0;
     GLint minor = 0;
     glGetIntegerv(GL_MAJOR_VERSION, &major);

backends/imgui_impl_opengl3.h

@@ -5,7 +5,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices (Desktop OpenGL only).
+//  [x] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset) [Desktop OpenGL only!]
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // About WebGL/ES:

backends/imgui_impl_osx.h

@@ -4,11 +4,11 @@
 // - Requires linking with the GameController framework ("-framework GameController").
 
 // Implemented features:
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Clipboard support is part of core Dear ImGui (no specific code in this backend).
 //  [X] Platform: Mouse support. Can discriminate Mouse/Pen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy kVK_* values are obsolete since 1.87 and not supported since 1.91.5]
-//  [X] Platform: OSX clipboard is supported within core Dear ImGui (no specific code in this backend).
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [X] Platform: IME support.
 //  [x] Platform: Multi-viewport / platform windows.
 // Issues:

backends/imgui_impl_osx.mm

@@ -4,11 +4,11 @@
 // - Requires linking with the GameController framework ("-framework GameController").
 
 // Implemented features:
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Clipboard support is part of core Dear ImGui (no specific code in this backend).
 //  [X] Platform: Mouse support. Can discriminate Mouse/Pen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy kVK_* values are obsolete since 1.87 and not supported since 1.91.5]
-//  [X] Platform: OSX clipboard is supported within core Dear ImGui (no specific code in this backend).
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [X] Platform: IME support.
 //  [x] Platform: Multi-viewport / platform windows.
 // Issues:

backends/imgui_impl_sdl2.cpp

@@ -8,12 +8,12 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy SDL_SCANCODE_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Basic IME support. App needs to call 'SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");' before SDL_CreateWindow()!.
 //  [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: Multi-viewport: Minimized windows seems to break mouse wheel events (at least under Windows).
 //  [ ] Platform: Multi-viewport: ParentViewportID not honored, and so io.ConfigViewportsNoDefaultParent has no effect (minor).
-//  [x] Platform: Basic IME support. App needs to call 'SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");' before SDL_CreateWindow()!.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
@@ -362,7 +362,7 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
     {
         case SDL_MOUSEMOTION:
         {
-            if (ImGui_ImplSDL2_GetViewportForWindowID(event->motion.windowID) == NULL)
+            if (ImGui_ImplSDL2_GetViewportForWindowID(event->motion.windowID) == nullptr)
                 return false;
             ImVec2 mouse_pos((float)event->motion.x, (float)event->motion.y);
             if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
@@ -378,7 +378,7 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
         }
         case SDL_MOUSEWHEEL:
         {
-            if (ImGui_ImplSDL2_GetViewportForWindowID(event->wheel.windowID) == NULL)
+            if (ImGui_ImplSDL2_GetViewportForWindowID(event->wheel.windowID) == nullptr)
                 return false;
             //IMGUI_DEBUG_LOG("wheel %.2f %.2f, precise %.2f %.2f\n", (float)event->wheel.x, (float)event->wheel.y, event->wheel.preciseX, event->wheel.preciseY);
 #if SDL_VERSION_ATLEAST(2,0,18) // If this fails to compile on Emscripten: update to latest Emscripten!
@@ -398,7 +398,7 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
         case SDL_MOUSEBUTTONDOWN:
         case SDL_MOUSEBUTTONUP:
         {
-            if (ImGui_ImplSDL2_GetViewportForWindowID(event->button.windowID) == NULL)
+            if (ImGui_ImplSDL2_GetViewportForWindowID(event->button.windowID) == nullptr)
                 return false;
             int mouse_button = -1;
             if (event->button.button == SDL_BUTTON_LEFT) { mouse_button = 0; }
@@ -415,7 +415,7 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
         }
         case SDL_TEXTINPUT:
         {
-            if (ImGui_ImplSDL2_GetViewportForWindowID(event->text.windowID) == NULL)
+            if (ImGui_ImplSDL2_GetViewportForWindowID(event->text.windowID) == nullptr)
                 return false;
             io.AddInputCharactersUTF8(event->text.text);
             return true;
@@ -423,7 +423,7 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
         case SDL_KEYDOWN:
         case SDL_KEYUP:
         {
-            if (ImGui_ImplSDL2_GetViewportForWindowID(event->key.windowID) == NULL)
+            if (ImGui_ImplSDL2_GetViewportForWindowID(event->key.windowID) == nullptr)
                 return false;
             ImGui_ImplSDL2_UpdateKeyModifiers((SDL_Keymod)event->key.keysym.mod);
             ImGuiKey key = ImGui_ImplSDL2_KeyEventToImGuiKey(event->key.keysym.sym, event->key.keysym.scancode);

backends/imgui_impl_sdl2.h

@@ -7,12 +7,12 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy SDL_SCANCODE_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Basic IME support. App needs to call 'SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");' before SDL_CreateWindow()!.
 //  [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: Multi-viewport: Minimized windows seems to break mouse wheel events (at least under Windows).
 //  [ ] Platform: Multi-viewport: ParentViewportID not honored, and so io.ConfigViewportsNoDefaultParent has no effect (minor).
-//  [x] Platform: Basic IME support. App needs to call 'SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");' before SDL_CreateWindow()!.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
@@ -45,6 +45,6 @@ IMGUI_IMPL_API bool     ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event);
 // Gamepad selection automatically starts in AutoFirst mode, picking first available SDL_Gamepad. You may override this.
 // When using manual mode, caller is responsible for opening/closing gamepad.
 enum ImGui_ImplSDL2_GamepadMode { ImGui_ImplSDL2_GamepadMode_AutoFirst, ImGui_ImplSDL2_GamepadMode_AutoAll, ImGui_ImplSDL2_GamepadMode_Manual };
-IMGUI_IMPL_API void     ImGui_ImplSDL2_SetGamepadMode(ImGui_ImplSDL2_GamepadMode mode, struct _SDL_GameController** manual_gamepads_array = NULL, int manual_gamepads_count = -1);
+IMGUI_IMPL_API void     ImGui_ImplSDL2_SetGamepadMode(ImGui_ImplSDL2_GamepadMode mode, struct _SDL_GameController** manual_gamepads_array = nullptr, int manual_gamepads_count = -1);
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_sdl3.cpp

@@ -9,10 +9,11 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy SDL_SCANCODE_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [x] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable' -> the OS animation effect when window gets created/destroyed is problematic. SDL2 backend doesn't have issue.
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: Multi-viewport: Minimized windows seems to break mouse wheel events (at least under Windows).
+//  [x] Platform: IME support. Position somehow broken in SDL3 + app needs to call 'SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");' before SDL_CreateWindow()!.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
@@ -141,7 +142,7 @@ static const char* ImGui_ImplSDL3_GetClipboardText(ImGuiContext*)
     if (bd->ClipboardTextData)
         SDL_free(bd->ClipboardTextData);
     const char* sdl_clipboard_text = SDL_GetClipboardText();
-    bd->ClipboardTextData = sdl_clipboard_text ? SDL_strdup(sdl_clipboard_text) : NULL;
+    bd->ClipboardTextData = sdl_clipboard_text ? SDL_strdup(sdl_clipboard_text) : nullptr;
     return bd->ClipboardTextData;
 }
 
@@ -155,7 +156,7 @@ static void ImGui_ImplSDL3_PlatformSetImeData(ImGuiContext*, ImGuiViewport* view
     ImGui_ImplSDL3_Data* bd = ImGui_ImplSDL3_GetBackendData();
     SDL_WindowID window_id = (SDL_WindowID)(intptr_t)viewport->PlatformHandle;
     SDL_Window* window = SDL_GetWindowFromID(window_id);
-    if ((data->WantVisible == false || bd->ImeWindow != window) && bd->ImeWindow != NULL)
+    if ((data->WantVisible == false || bd->ImeWindow != window) && bd->ImeWindow != nullptr)
     {
         SDL_StopTextInput(bd->ImeWindow);
         bd->ImeWindow = nullptr;
@@ -336,7 +337,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
     {
         case SDL_EVENT_MOUSE_MOTION:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->motion.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->motion.windowID) == nullptr)
                 return false;
             ImVec2 mouse_pos((float)event->motion.x, (float)event->motion.y);
             if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
@@ -352,7 +353,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
         }
         case SDL_EVENT_MOUSE_WHEEL:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->wheel.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->wheel.windowID) == nullptr)
                 return false;
             //IMGUI_DEBUG_LOG("wheel %.2f %.2f, precise %.2f %.2f\n", (float)event->wheel.x, (float)event->wheel.y, event->wheel.preciseX, event->wheel.preciseY);
             float wheel_x = -event->wheel.x;
@@ -364,7 +365,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
         case SDL_EVENT_MOUSE_BUTTON_DOWN:
         case SDL_EVENT_MOUSE_BUTTON_UP:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->button.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->button.windowID) == nullptr)
                 return false;
             int mouse_button = -1;
             if (event->button.button == SDL_BUTTON_LEFT) { mouse_button = 0; }
@@ -381,7 +382,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
         }
         case SDL_EVENT_TEXT_INPUT:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->text.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->text.windowID) == nullptr)
                 return false;
             io.AddInputCharactersUTF8(event->text.text);
             return true;
@@ -389,7 +390,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
         case SDL_EVENT_KEY_DOWN:
         case SDL_EVENT_KEY_UP:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->key.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->key.windowID) == nullptr)
                 return false;
             //IMGUI_DEBUG_LOG("SDL_EVENT_KEY_%d: key=%d, scancode=%d, mod=%X\n", (event->type == SDL_EVENT_KEY_DOWN) ? "DOWN" : "UP", event->key.key, event->key.scancode, event->key.mod);
             ImGui_ImplSDL3_UpdateKeyModifiers((SDL_Keymod)event->key.mod);
@@ -409,7 +410,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
         }
         case SDL_EVENT_WINDOW_MOUSE_ENTER:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->window.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->window.windowID) == nullptr)
                 return false;
             bd->MouseWindowID = event->window.windowID;
             bd->MousePendingLeaveFrame = 0;
@@ -421,7 +422,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
         // FIXME: Unconfirmed whether this is still needed with SDL3.
         case SDL_EVENT_WINDOW_MOUSE_LEAVE:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->window.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->window.windowID) == nullptr)
                 return false;
             bd->MousePendingLeaveFrame = ImGui::GetFrameCount() + 1;
             return true;
@@ -429,7 +430,7 @@ bool ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event)
         case SDL_EVENT_WINDOW_FOCUS_GAINED:
         case SDL_EVENT_WINDOW_FOCUS_LOST:
         {
-            if (ImGui_ImplSDL3_GetViewportForWindowID(event->window.windowID) == NULL)
+            if (ImGui_ImplSDL3_GetViewportForWindowID(event->window.windowID) == nullptr)
                 return false;
             io.AddFocusEvent(event->type == SDL_EVENT_WINDOW_FOCUS_GAINED);
             return true;

backends/imgui_impl_sdl3.h

@@ -9,11 +9,11 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy SDL_SCANCODE_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [x] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable' -> the OS animation effect when window gets created/destroyed is problematic. SDL2 backend doesn't have issue.
-// Issues:
+// Missing features or Issues:
 //  [ ] Platform: Multi-viewport: Minimized windows seems to break mouse wheel events (at least under Windows).
-//  [x] Platform: Basic IME support. Position somehow broken in SDL3 + app needs to call 'SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");' before SDL_CreateWindow()!.
+//  [x] Platform: IME support. Position somehow broken in SDL3 + app needs to call 'SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");' before SDL_CreateWindow()!.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
 // Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
@@ -46,6 +46,6 @@ IMGUI_IMPL_API bool     ImGui_ImplSDL3_ProcessEvent(const SDL_Event* event);
 // Gamepad selection automatically starts in AutoFirst mode, picking first available SDL_Gamepad. You may override this.
 // When using manual mode, caller is responsible for opening/closing gamepad.
 enum ImGui_ImplSDL3_GamepadMode { ImGui_ImplSDL3_GamepadMode_AutoFirst, ImGui_ImplSDL3_GamepadMode_AutoAll, ImGui_ImplSDL3_GamepadMode_Manual };
-IMGUI_IMPL_API void     ImGui_ImplSDL3_SetGamepadMode(ImGui_ImplSDL3_GamepadMode mode, SDL_Gamepad** manual_gamepads_array = NULL, int manual_gamepads_count = -1);
+IMGUI_IMPL_API void     ImGui_ImplSDL3_SetGamepadMode(ImGui_ImplSDL3_GamepadMode mode, SDL_Gamepad** manual_gamepads_array = nullptr, int manual_gamepads_count = -1);
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_sdlrenderer2.cpp

@@ -9,7 +9,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'SDL_Texture*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows).
@@ -210,7 +210,7 @@ void ImGui_ImplSDLRenderer2_RenderDrawData(ImDrawData* draw_data, SDL_Renderer*
             }
         }
     }
-    platform_io.Renderer_RenderState = NULL;
+    platform_io.Renderer_RenderState = nullptr;
 
     // Restore modified SDL_Renderer state
     SDL_RenderSetViewport(renderer, &old.Viewport);

backends/imgui_impl_sdlrenderer2.h

@@ -9,7 +9,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'SDL_Texture*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows).

backends/imgui_impl_sdlrenderer3.cpp

@@ -11,7 +11,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'SDL_Texture*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows).
@@ -229,7 +229,7 @@ void ImGui_ImplSDLRenderer3_RenderDrawData(ImDrawData* draw_data, SDL_Renderer*
             }
         }
     }
-    platform_io.Renderer_RenderState = NULL;
+    platform_io.Renderer_RenderState = nullptr;
 
     // Restore modified SDL_Renderer state
     SDL_SetRenderViewport(renderer, old.ViewportEnabled ? &old.Viewport : nullptr);

backends/imgui_impl_sdlrenderer3.h

@@ -11,7 +11,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'SDL_Texture*' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows).

backends/imgui_impl_vulkan.cpp

@@ -2,8 +2,8 @@
 // This needs to be used along with a Platform Backend (e.g. GLFW, SDL, Win32, custom..)
 
 // Implemented features:
-//  [x] Renderer: User texture binding. Use 'VkDescriptorSet' as ImTextureID. Read the FAQ about ImTextureID! See https://github.com/ocornut/imgui/pull/914 for discussions.
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [!] Renderer: User texture binding. Use 'VkDescriptorSet' as ImTextureID. Call ImGui_ImplVulkan_AddTexture() to register one. Read the FAQ about ImTextureID! See https://github.com/ocornut/imgui/pull/914 for discussions.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [x] Renderer: Multi-viewport / platform windows. With issues (flickering when creating a new viewport).
 
@@ -641,7 +641,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
         global_idx_offset += draw_list->IdxBuffer.Size;
         global_vtx_offset += draw_list->VtxBuffer.Size;
     }
-    platform_io.Renderer_RenderState = NULL;
+    platform_io.Renderer_RenderState = nullptr;
 
     // Note: at this point both vkCmdSetViewport() and vkCmdSetScissor() have been called.
     // Our last values will leak into user/application rendering IF:
@@ -999,7 +999,7 @@ static void ImGui_ImplVulkan_CreatePipeline(VkDevice device, const VkAllocationC
     if (bd->VulkanInitInfo.UseDynamicRendering)
     {
         IM_ASSERT(bd->VulkanInitInfo.PipelineRenderingCreateInfo.sType == VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR && "PipelineRenderingCreateInfo sType must be VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR");
-        IM_ASSERT(bd->VulkanInitInfo.PipelineRenderingCreateInfo.pNext == nullptr && "PipelineRenderingCreateInfo pNext must be NULL");
+        IM_ASSERT(bd->VulkanInitInfo.PipelineRenderingCreateInfo.pNext == nullptr && "PipelineRenderingCreateInfo pNext must be nullptr");
         info.pNext = &bd->VulkanInitInfo.PipelineRenderingCreateInfo;
         info.renderPass = VK_NULL_HANDLE; // Just make sure it's actually nullptr.
     }

backends/imgui_impl_vulkan.h

@@ -2,8 +2,8 @@
 // This needs to be used along with a Platform Backend (e.g. GLFW, SDL, Win32, custom..)
 
 // Implemented features:
-//  [x] Renderer: User texture binding. Use 'VkDescriptorSet' as ImTextureID. Read the FAQ about ImTextureID! See https://github.com/ocornut/imgui/pull/914 for discussions.
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [!] Renderer: User texture binding. Use 'VkDescriptorSet' as ImTextureID. Call ImGui_ImplVulkan_AddTexture() to register one. Read the FAQ about ImTextureID! See https://github.com/ocornut/imgui/pull/914 for discussions.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [x] Renderer: Multi-viewport / platform windows. With issues (flickering when creating a new viewport).
 

backends/imgui_impl_wgpu.cpp

@@ -4,7 +4,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows). Not meaningful on the web.
@@ -520,7 +520,7 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
         global_idx_offset += draw_list->IdxBuffer.Size;
         global_vtx_offset += draw_list->VtxBuffer.Size;
     }
-    platform_io.Renderer_RenderState = NULL;
+    platform_io.Renderer_RenderState = nullptr;
 }
 
 static void ImGui_ImplWGPU_CreateFontsTexture()

backends/imgui_impl_wgpu.h

@@ -11,7 +11,7 @@
 
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID!
-//  [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
+//  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows). Not meaningful on the web.

backends/imgui_impl_win32.cpp

@@ -6,7 +6,7 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen/Pen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy VK_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
@@ -682,7 +682,7 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARA
 {
     // Most backends don't have silent checks like this one, but we need it because WndProc are called early in CreateWindow().
     // We silently allow both context or just only backend data to be nullptr.
-    if (ImGui::GetCurrentContext() == NULL)
+    if (ImGui::GetCurrentContext() == nullptr)
         return 0;
     return ImGui_ImplWin32_WndProcHandlerEx(hwnd, msg, wParam, lParam, ImGui::GetIO());
 }
@@ -691,7 +691,7 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARA
 IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandlerEx(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, ImGuiIO& io)
 {
     ImGui_ImplWin32_Data* bd = ImGui_ImplWin32_GetBackendData(io);
-    if (bd == NULL)
+    if (bd == nullptr)
         return 0;
     switch (msg)
     {

backends/imgui_impl_win32.h

@@ -6,7 +6,7 @@
 //  [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen/Pen.
 //  [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy VK_* values are obsolete since 1.87 and not supported since 1.91.5]
 //  [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
-//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
+//  [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
 //  [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

docs/CHANGELOG.txt

@@ -48,9 +48,14 @@ Breaking changes:
   - We provide convenience legacy fields to pass a single descriptor,
     matching the old API, but upcoming features will want multiple.
   - Legacy ImGui_ImplDX12_Init() signature is still supported (will obsolete).
-- Misc: changed CRC32 table to use CRC32c polynomial in order to be compatible
-  with the result of SSE 4.2 instructions. As a result, old .ini data may be
-  partially lost. (#8169, #4933) [@Teselka]
+- Misc: changed CRC32 table from CRC32-adler to CRC32c polynomial in order to 
+  be compatible with the result of SSE 4.2 instructions. (#8169, #4933) [@Teselka]
+  - As a result, some .ini data may be partially lost when storing checksums
+    (docking and tables information particularly). 
+  - Because some users have crafted and storing .ini data as a way to workaround 
+    limitations of the docking API, we are providing a '#define IMGUI_USE_LEGACY_CRC32_ADLER'
+    compile-time option to keep using old CRC32 tables if you cannot afford invalidating
+    old .ini data.
 
 Other changes:
 
@@ -58,6 +63,11 @@ Other changes:
   processing errors outside of the NewFrame()..EndFrame() scope. (#1651)
 - Tables: fixed SetNextWindowScroll() value being ignored by BeginTable() during
   the first frame or when scrolling flags have changed. (#8196)
+- InputText: added ImGuiInputTextFlags_ElideLeft to elide left side and ensure right side
+  of contents is visible when whole text is not fitting (useful for paths/filenames).
+  (#1442, #1440, #4391, #7208, #8216) [@kucoman, @ocornut]
+- InputText: reactivating last activated InputText() doesn't restore horizontal scrolling
+  (which was disabled during deactivation anyway).
 - Misc: changed embedded ProggyClean encoding to save a bit of binary space (~12kb to 9.5kb).
 - Misc: added IMGUI_DISABLE_DEFAULT_FONT to strip embedded font from binary. (#8161)
   [@demonese]
@@ -67,6 +77,8 @@ Other changes:
 - Fonts: fixed AddCustomRect() not being packed with TexGlyphPadding + not accounted
   for surface area used to determine best-guess texture size. (#8107) [@YarikTH, @ocornut]
 - Misc: use SSE 4.2 crc32 instructions when available. (#8169, #4933) [@Teselka]
+- Backends: DirectX12: Let user specifies the DepthStencilView format by setting 
+  ImGui_ImplDX12_InitInfo::DSVFormat. (#8217) [@bmarques1995]
 - Backends: Vulkan: Make user-provided descriptor pool optional. As a convenience,
   when setting init_info->DescriptorPoolSize then the backend will create and manage
   one itself. (#8172, #4867) [@zeux]

examples/example_glfw_opengl3/main.cpp

@@ -43,11 +43,17 @@ int main(int, char**)
 
     // Decide GL+GLSL versions
 #if defined(IMGUI_IMPL_OPENGL_ES2)
-    // GL ES 2.0 + GLSL 100
+    // GL ES 2.0 + GLSL 100 (WebGL 1.0)
     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";

examples/example_sdl2_opengl3/main.cpp

@@ -35,12 +35,19 @@ int main(int, char**)
 
     // Decide GL+GLSL versions
 #if defined(IMGUI_IMPL_OPENGL_ES2)
-    // GL ES 2.0 + GLSL 100
+    // GL ES 2.0 + GLSL 100 (WebGL 1.0)
     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";
@@ -75,6 +82,12 @@ 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
 

examples/example_sdl3_opengl3/main.cpp

@@ -35,12 +35,19 @@ int main(int, char**)
 
     // Decide GL+GLSL versions
 #if defined(IMGUI_IMPL_OPENGL_ES2)
-    // GL ES 2.0 + GLSL 100
+    // GL ES 2.0 + GLSL 100 (WebGL 1.0)
     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";
@@ -70,6 +77,12 @@ 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);

examples/example_win32_directx12/main.cpp

@@ -58,7 +58,7 @@ struct ExampleDescriptorHeapAllocator
     }
     void Destroy()
     {
-        Heap = NULL;
+        Heap = nullptr;
         FreeIndices.clear();
     }
     void Alloc(D3D12_CPU_DESCRIPTOR_HANDLE* out_cpu_desc_handle, D3D12_GPU_DESCRIPTOR_HANDLE* out_gpu_desc_handle)
@@ -158,6 +158,7 @@ int main(int, char**)
     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;

imconfig.h

@@ -62,6 +62,9 @@
 //---- Pack vertex colors as BGRA8 instead of RGBA8 (to avoid converting from one to another). Need dedicated backend support.
 //#define IMGUI_USE_BGRA_PACKED_COLOR
 
+//---- Use legacy CRC32-adler tables (used before 1.91.6), in order to preserve old .ini data that you cannot afford to invalidate.
+//#define IMGUI_USE_LEGACY_CRC32_ADLER
+
 //---- Use 32-bit for ImWchar (default is 16-bit) to support Unicode planes 1-16. (e.g. point beyond 0xFFFF like emoticons, dingbats, symbols, shapes, ancient languages, etc...)
 //#define IMGUI_USE_WCHAR32
 

imgui.cpp

@@ -437,7 +437,9 @@ CODE
                           - likewise io.MousePos and GetMousePos() will use OS coordinates.
                             If you query mouse positions to interact with non-imgui coordinates you will need to offset them, e.g. subtract GetWindowViewport()->Pos.
 
- - 2024/11/27 (1.91.6) - changed CRC32 table to use CRC32c polynomial in order to be compatible with the result of SSE 4.2 instructions. As a result, old .ini data may be partially lost.
+ - 2024/11/27 (1.91.6) - changed CRC32 table from CRC32-adler to CRC32c polynomial in order to be compatible with the result of SSE 4.2 instructions.
+                         As a result, old .ini data may be partially lost (docking and tables information particularly).
+                         Because some users have crafted and storing .ini data as a way to workaround limitations of the docking API, we are providing a '#define IMGUI_USE_LEGACY_CRC32_ADLER' compile-time option to keep using old CRC32 tables if you cannot afford invalidating old .ini data.
  - 2024/11/06 (1.91.5) - commented/obsoleted out pre-1.87 IO system (equivalent to using IMGUI_DISABLE_OBSOLETE_KEYIO or IMGUI_DISABLE_OBSOLETE_FUNCTIONS before)
                             - io.KeyMap[] and io.KeysDown[] are removed (obsoleted February 2022).
                             - io.NavInputs[] and ImGuiNavInput are removed (obsoleted July 2022).
@@ -2210,13 +2212,32 @@ void ImFormatStringToTempBufferV(const char** out_buf, const char** out_buf_end,
     }
 }
 
-#ifndef IMGUI_ENABLE_SSE4_2
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
 // CRC32 needs a 1KB lookup table (not cache friendly)
 // Although the code to generate the table is simple and shorter than the table itself, using a const table allows us to easily:
 // - avoid an unnecessary branch/memory tap, - keep the ImHashXXX functions usable by static constructors, - make it thread-safe.
-// On 2024/11/27 this was changed from crc32-adler to crc32c (polynomial 0x1EDC6F41), which invalidated some hashes stored in .ini files.
 static const ImU32 GCrc32LookupTable[256] =
 {
+#ifdef IMGUI_USE_LEGACY_CRC32_ADLER
+    // Legacy CRC32-adler table used pre 1.91.6 (before 2024/11/27). Only use if you cannot afford invalidating old .ini data.
+    0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,
+    0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,
+    0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,
+    0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D,
+    0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433,0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01,
+    0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65,
+    0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9,
+    0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F,0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD,
+    0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683,0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1,
+    0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5,
+    0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79,
+    0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F,0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D,
+    0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21,
+    0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,
+    0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9,
+    0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D,
+#else
+    // CRC32c table compatible with SSE 4.2 instructions
     0x00000000,0xF26B8303,0xE13B70F7,0x1350F3F4,0xC79A971F,0x35F1141C,0x26A1E7E8,0xD4CA64EB,0x8AD958CF,0x78B2DBCC,0x6BE22838,0x9989AB3B,0x4D43CFD0,0xBF284CD3,0xAC78BF27,0x5E133C24,
     0x105EC76F,0xE235446C,0xF165B798,0x030E349B,0xD7C45070,0x25AFD373,0x36FF2087,0xC494A384,0x9A879FA0,0x68EC1CA3,0x7BBCEF57,0x89D76C54,0x5D1D08BF,0xAF768BBC,0xBC267848,0x4E4DFB4B,
     0x20BD8EDE,0xD2D60DDD,0xC186FE29,0x33ED7D2A,0xE72719C1,0x154C9AC2,0x061C6936,0xF477EA35,0xAA64D611,0x580F5512,0x4B5FA6E6,0xB93425E5,0x6DFE410E,0x9F95C20D,0x8CC531F9,0x7EAEB2FA,
@@ -2233,6 +2254,7 @@ static const ImU32 GCrc32LookupTable[256] =
     0xD3D3E1AB,0x21B862A8,0x32E8915C,0xC083125F,0x144976B4,0xE622F5B7,0xF5720643,0x07198540,0x590AB964,0xAB613A67,0xB831C993,0x4A5A4A90,0x9E902E7B,0x6CFBAD78,0x7FAB5E8C,0x8DC0DD8F,
     0xE330A81A,0x115B2B19,0x020BD8ED,0xF0605BEE,0x24AA3F05,0xD6C1BC06,0xC5914FF2,0x37FACCF1,0x69E9F0D5,0x9B8273D6,0x88D28022,0x7AB90321,0xAE7367CA,0x5C18E4C9,0x4F48173D,0xBD23943E,
     0xF36E6F75,0x0105EC76,0x12551F82,0xE03E9C81,0x34F4F86A,0xC69F7B69,0xD5CF889D,0x27A40B9E,0x79B737BA,0x8BDCB4B9,0x988C474D,0x6AE7C44E,0xBE2DA0A5,0x4C4623A6,0x5F16D052,0xAD7D5351
+#endif
 };
 #endif
 
@@ -2244,7 +2266,7 @@ ImGuiID ImHashData(const void* data_p, size_t data_size, ImGuiID seed)
     ImU32 crc = ~seed;
     const unsigned char* data = (const unsigned char*)data_p;
     const unsigned char *data_end = (const unsigned char*)data_p + data_size;
-#ifndef IMGUI_ENABLE_SSE4_2
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
     const ImU32* crc32_lut = GCrc32LookupTable;
     while (data < data_end)
         crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ *data++];
@@ -2272,7 +2294,7 @@ ImGuiID ImHashStr(const char* data_p, size_t data_size, ImGuiID seed)
     seed = ~seed;
     ImU32 crc = seed;
     const unsigned char* data = (const unsigned char*)data_p;
-#ifndef IMGUI_ENABLE_SSE4_2
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
     const ImU32* crc32_lut = GCrc32LookupTable;
 #endif
     if (data_size != 0)
@@ -2282,7 +2304,7 @@ ImGuiID ImHashStr(const char* data_p, size_t data_size, ImGuiID seed)
             unsigned char c = *data++;
             if (c == '#' && data_size >= 2 && data[0] == '#' && data[1] == '#')
                 crc = seed;
-#ifndef IMGUI_ENABLE_SSE4_2
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
             crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c];
 #else
             crc = _mm_crc32_u8(crc, c);
@@ -2295,7 +2317,7 @@ ImGuiID ImHashStr(const char* data_p, size_t data_size, ImGuiID seed)
         {
             if (c == '#' && data[0] == '#' && data[1] == '#')
                 crc = seed;
-#ifndef IMGUI_ENABLE_SSE4_2
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
             crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c];
 #else
             crc = _mm_crc32_u8(crc, c);

imgui.h

@@ -29,7 +29,7 @@
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
 #define IMGUI_VERSION       "1.91.6 WIP"
-#define IMGUI_VERSION_NUM   19152
+#define IMGUI_VERSION_NUM   19154
 #define IMGUI_HAS_TABLE
 #define IMGUI_HAS_VIEWPORT          // Viewport WIP branch
 #define IMGUI_HAS_DOCK              // Docking WIP branch
@@ -1210,13 +1210,16 @@ enum ImGuiInputTextFlags_
     ImGuiInputTextFlags_NoHorizontalScroll  = 1 << 15,  // Disable following the cursor horizontally
     ImGuiInputTextFlags_NoUndoRedo          = 1 << 16,  // Disable undo/redo. Note that input text owns the text data while active, if you want to provide your own undo/redo stack you need e.g. to call ClearActiveID().
 
+    // Elide display / Alignment
+    ImGuiInputTextFlags_ElideLeft			= 1 << 17,	// When text doesn't fit, elide left side to ensure right side stays visible. Useful for path/filenames. Single-line only!
+
     // Callback features
-    ImGuiInputTextFlags_CallbackCompletion  = 1 << 17,  // Callback on pressing TAB (for completion handling)
-    ImGuiInputTextFlags_CallbackHistory     = 1 << 18,  // Callback on pressing Up/Down arrows (for history handling)
-    ImGuiInputTextFlags_CallbackAlways      = 1 << 19,  // Callback on each iteration. User code may query cursor position, modify text buffer.
-    ImGuiInputTextFlags_CallbackCharFilter  = 1 << 20,  // Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard.
-    ImGuiInputTextFlags_CallbackResize      = 1 << 21,  // Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow. Notify when the string wants to be resized (for string types which hold a cache of their Size). You will be provided a new BufSize in the callback and NEED to honor it. (see misc/cpp/imgui_stdlib.h for an example of using this)
-    ImGuiInputTextFlags_CallbackEdit        = 1 << 22,  // Callback on any edit (note that InputText() already returns true on edit, the callback is useful mainly to manipulate the underlying buffer while focus is active)
+    ImGuiInputTextFlags_CallbackCompletion  = 1 << 18,  // Callback on pressing TAB (for completion handling)
+    ImGuiInputTextFlags_CallbackHistory     = 1 << 19,  // Callback on pressing Up/Down arrows (for history handling)
+    ImGuiInputTextFlags_CallbackAlways      = 1 << 20,  // Callback on each iteration. User code may query cursor position, modify text buffer.
+    ImGuiInputTextFlags_CallbackCharFilter  = 1 << 21,  // Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard.
+    ImGuiInputTextFlags_CallbackResize      = 1 << 22,  // Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow. Notify when the string wants to be resized (for string types which hold a cache of their Size). You will be provided a new BufSize in the callback and NEED to honor it. (see misc/cpp/imgui_stdlib.h for an example of using this)
+    ImGuiInputTextFlags_CallbackEdit        = 1 << 23,  // Callback on any edit (note that InputText() already returns true on edit, the callback is useful mainly to manipulate the underlying buffer while focus is active)
 
     // Obsolete names
     //ImGuiInputTextFlags_AlwaysInsertMode  = ImGuiInputTextFlags_AlwaysOverwrite   // [renamed in 1.82] name was not matching behavior

imgui_demo.cpp

@@ -1890,6 +1890,16 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data)
             ImGui::TreePop();
         }
 
+        IMGUI_DEMO_MARKER("Widgets/Text Input/Eliding, Alignment");
+        if (ImGui::TreeNode("Eliding, Alignment"))
+        {
+            static char buf1[128] = "/path/to/some/folder/with/long/filename.cpp";
+            static ImGuiInputTextFlags flags = ImGuiInputTextFlags_ElideLeft;
+            ImGui::CheckboxFlags("ImGuiInputTextFlags_ElideLeft", &flags, ImGuiInputTextFlags_ElideLeft);
+            ImGui::InputText("Path", buf1, IM_ARRAYSIZE(buf1), flags);
+            ImGui::TreePop();
+        }
+
         IMGUI_DEMO_MARKER("Widgets/Text Input/Miscellaneous");
         if (ImGui::TreeNode("Miscellaneous"))
         {

imgui_internal.h

@@ -66,6 +66,10 @@ Index of this file:
 #include <nmmintrin.h>
 #endif
 #endif
+// Emscripten has partial SSE 4.2 support where _mm_crc32_u32 is not available. See https://emscripten.org/docs/porting/simd.html#id11 and #8213
+#if defined(IMGUI_ENABLE_SSE4_2) && !defined(IMGUI_USE_LEGACY_CRC32_ADLER) && !defined(__EMSCRIPTEN__)
+#define IMGUI_ENABLE_SSE4_2_CRC
+#endif
 
 // Visual Studio warnings
 #ifdef _MSC_VER
@@ -3700,7 +3704,7 @@ namespace ImGui
     IMGUI_API bool          CloseButton(ImGuiID id, const ImVec2& pos);
     IMGUI_API bool          CollapseButton(ImGuiID id, const ImVec2& pos, ImGuiDockNode* dock_node);
     IMGUI_API void          Scrollbar(ImGuiAxis axis);
-    IMGUI_API bool          ScrollbarEx(const ImRect& bb, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 avail_v, ImS64 contents_v, ImDrawFlags flags);
+    IMGUI_API bool          ScrollbarEx(const ImRect& bb, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 avail_v, ImS64 contents_v, ImDrawFlags draw_rounding_flags = 0);
     IMGUI_API ImRect        GetWindowScrollbarRect(ImGuiWindow* window, ImGuiAxis axis);
     IMGUI_API ImGuiID       GetWindowScrollbarID(ImGuiWindow* window, ImGuiAxis axis);
     IMGUI_API ImGuiID       GetWindowResizeCornerID(ImGuiWindow* window, int n); // 0..3: corners

imgui_widgets.cpp

@@ -956,7 +956,7 @@ void ImGui::Scrollbar(ImGuiAxis axis)
 // - We store values as normalized ratio and in a form that allows the window content to change while we are holding on a scrollbar
 // - We handle both horizontal and vertical scrollbars, which makes the terminology not ideal.
 // Still, the code should probably be made simpler..
-bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 size_visible_v, ImS64 size_contents_v, ImDrawFlags flags)
+bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 size_visible_v, ImS64 size_contents_v, ImDrawFlags draw_rounding_flags)
 {
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = g.CurrentWindow;
@@ -1047,7 +1047,7 @@ bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, ImS6
     // Render
     const ImU32 bg_col = GetColorU32(ImGuiCol_ScrollbarBg);
     const ImU32 grab_col = GetColorU32(held ? ImGuiCol_ScrollbarGrabActive : hovered ? ImGuiCol_ScrollbarGrabHovered : ImGuiCol_ScrollbarGrab, alpha);
-    window->DrawList->AddRectFilled(bb_frame.Min, bb_frame.Max, bg_col, window->WindowRounding, flags);
+    window->DrawList->AddRectFilled(bb_frame.Min, bb_frame.Max, bg_col, window->WindowRounding, draw_rounding_flags);
     ImRect grab_rect;
     if (axis == ImGuiAxis_X)
         grab_rect = ImRect(ImLerp(bb.Min.x, bb.Max.x, grab_v_norm), bb.Min.y, ImLerp(bb.Min.x, bb.Max.x, grab_v_norm) + grab_h_pixels, bb.Max.y);
@@ -4409,6 +4409,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
     IM_ASSERT(buf != NULL && buf_size >= 0);
     IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackHistory) && (flags & ImGuiInputTextFlags_Multiline)));        // Can't use both together (they both use up/down keys)
     IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackCompletion) && (flags & ImGuiInputTextFlags_AllowTabInput))); // Can't use both together (they both use tab key)
+    IM_ASSERT(!((flags & ImGuiInputTextFlags_ElideLeft) && (flags & ImGuiInputTextFlags_Multiline)));               // Multiline will not work with left-trimming
 
     ImGuiContext& g = *GImGui;
     ImGuiIO& io = g.IO;
@@ -4544,6 +4545,11 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         state->TextLen = (int)strlen(buf);
         memcpy(state->TextA.Data, buf, state->TextLen + 1);
 
+        // Find initial scroll position for right alignment
+        state->Scroll = ImVec2(0.0f, 0.0f);
+        if (flags & ImGuiInputTextFlags_ElideLeft)
+            state->Scroll.x += ImMax(0.0f, CalcTextSize(buf).x - frame_size.x + style.FramePadding.x * 2.0f);
+
         if (recycle_state)
         {
             // Recycle existing cursor/selection/undo stack but clamp position
@@ -4552,7 +4558,6 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         }
         else
         {
-            state->Scroll = ImVec2(0.0f, 0.0f);
             stb_textedit_initialize_state(state->Stb, !is_multiline);
         }
 
@@ -5294,8 +5299,13 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
 
         if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
         {
+            // Find render position for right alignment
+            if (flags & ImGuiInputTextFlags_ElideLeft)
+                draw_pos.x = ImMin(draw_pos.x, frame_bb.Max.x - CalcTextSize(buf_display, NULL).x - style.FramePadding.x);
+
+            const ImVec2 draw_scroll = /*state ? ImVec2(state->Scroll.x, 0.0f) :*/ ImVec2(0.0f, 0.0f); // Preserve scroll when inactive?
             ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
-            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
+            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
         }
     }
 

misc/freetype/imgui_freetype.cpp

@@ -10,7 +10,7 @@
 //  2023/11/13: added support for ImFontConfig::RasterizationDensity field for scaling render density without scaling metrics.
 //  2023/08/01: added support for SVG fonts, enable by using '#define IMGUI_ENABLE_FREETYPE_LUNASVG'. (#6591)
 //  2023/01/04: fixed a packing issue which in some occurrences would prevent large amount of glyphs from being packed correctly.
-//  2021/08/23: fixed crash when FT_Render_Glyph() fails to render a glyph and returns NULL.
+//  2021/08/23: fixed crash when FT_Render_Glyph() fails to render a glyph and returns nullptr.
 //  2021/03/05: added ImGuiFreeTypeBuilderFlags_Bitmap to load bitmap glyphs.
 //  2021/03/02: set 'atlas->TexPixelsUseColors = true' to help some backends with deciding of a preferred texture format.
 //  2021/01/28: added support for color-layered glyphs via ImGuiFreeTypeBuilderFlags_LoadColor (require Freetype 2.10+).