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65 Commits

Author SHA1 Message Date
Turtle Dove
155170262a Backends: DX9, Allegro5, SDLRenderer2, SDLRenderer3: Defer texture destruction until UnusedFrames > 0 (#8597, #9475) 
These four backends were missing the UnusedFrames > 0 check in their
UpdateTexture() WantDestroy branch, inconsistent with all other backends
(OpenGL2, OpenGL3, DX10, DX11, DX12, Vulkan, WGPU, SDLGPU3) which already
defer destruction until the texture is no longer in flight.

This is a potential use-after-free in multi-threaded/staged rendering
pipelines where the UI thread may destroy a texture while the render thread
is still drawing with it. Per #8597 guidance: backends should defer
destroying by the amount of in-flight frames in their rendering pipeline.

The fix adds '&& tex->UnusedFrames > 0' to the WantDestroy condition,
matching the exact pattern used by OpenGL3, DX10, DX11, WGPU, and SDLGPU3.

Companion to #9475 (OpenGL2 fix, already merged).
 2026-07-17 11:25:20 -05:00
ocornut
86ebb3bc11 Backends: removed samplers from ImGui_ImplDX10_RenderState, ImGui_ImplDX11_RenderState + fixed all Changelogs. (#9378) 2026-04-23 22:03:11 +02:00
ocornut
7e7f3adb80 Removed DrawCallback_SetSamplerCustom feature for now. Too unreliable to get working everywhere. (#9378) 2026-04-23 21:50:52 +02:00
omar
0a811e8ea1 Backends: DX9, DX10, DX11, DX12, Allegro5, OpenGL2, OpenGL3, SDLRenderer2, SDLRenderer3, SDLGPU3, Vulkan: added standard draw callbacks when possible. (#9378) 2026-04-23 21:50:45 +02:00
ocornut
21d3299e58 Backends: fixed reappearing uses to NULL to favor nullptr. 2026-01-15 16:09:01 +01:00
ocornut
d4f722d5b2 IO: added ImGuiPlatformIO::ClearPlatformHandlers(), ClearRendererHandlers(). Backends: call those on Shutdown(). (#8945, #2769) 2025-09-18 16:58:50 +02:00
ocornut
02f654cbce Backends: Allegro5: fixed missing support for ImGuiKey_PrintScreen under Windows. 2025-08-12 20:02:08 +02:00
ocornut
e1baadba84 Backends: Allegro5: Fixed texture format setup. (#8770, #8465) 
Amend/fix ee8941e.
 2025-08-12 15:02:58 +02:00
ocornut
e2a662eed8 Backends: Allegro5: fixed use of obsolete IM_OFFSETOF(). 2025-08-12 11:41:11 +02:00
ocornut
e1a93805db Backends: Allegro5: Added ImGui_ImplAllegro5_SetDisplay(). 2025-08-12 11:33:10 +02:00
ocornut
336d9212fc Backends: using range-for to iterate draw_data->CmdLists[]. 2025-07-11 17:41:52 +02:00
ocornut
57a93e1a19 Backends: Allegro5: fixed texture update broken on some platforms where ALLEGRO_LOCK_WRITEONLY needed all texels to be rewritten. (#8770) 2025-07-07 15:36:24 +02:00
ocornut
f7dabede8b Backends: Allegro5: Fixed missing invisible mouse cursor, broken by ee8941e0d. 2025-06-20 09:49:53 +02:00
ocornut
ee8941e0de Backends: Allegro5: added ImGuiBackendFlags_RendererHasTextures support. 2025-06-11 15:41:05 +02:00
ocornut
eec097fe35 Added ImGuiMouseCursor_Progress mouse cursor 8a35386+ support in SDL2,SDL3,Win32,Allegro5 backends. 
Amend 8a35386
 2025-02-18 18:52:08 +01:00
ocornut
8a35386ba7 Added ImGuiMouseCursor_Wait mouse cursor (busy/wait/hourglass shape) + support in SDL2,SDL3,Win32,Allegro5 backends. 2025-02-18 18:40:47 +01:00
Helodity
2d2c7d3f95 Backends: Allegro5: Avoid calling al_set_mouse_cursor() repeatedly since it appears to leak on on X11 (#8256). 2025-01-06 13:54:39 +01:00
ocornut
43fbd7ce84 Backends: standardized top of file comments. 2024-12-05 12:43:04 +01:00
ocornut
6f287dd16d (Breaking) Removed pre-1.87 obsolete io.KeyMap[], io.KeysDown[], io.NavInputs[]. Remove IMGUI_DISABLE_OBSOLETE_KEYIO. (#4921) 2024-11-06 17:54:59 +01:00
ocornut
a908d73c16 Backends: avoid missing -Wmissing-declaration warning. (#8087, #7997) 2024-10-24 17:24:47 +02:00
ocornut
9bd5d8a240 Backends: misc renaming of locals. Use 'draw_list' instead of 'cmd_list'. Avoid using 'ctx'. 
This is likely to trigger merging issues. If it does, best to always get "theirs" and rename in there.
 2024-10-07 17:57:11 +02:00
ocornut
cfae5ac71b Backends: make ImGui_ImplSDL2_KeyEventToImGuiKey(), ImGui_ImplSDL3_KeyEventToImGuiKey(), ImGui_ImplGlfw_KeyToImGuiKey(), ImGui_ImplWin32_KeyEventToImGuiKey(), ImGui_ImplAllegro5_KeyCodeToImGuiKey(), ImGui_ImplOSX_KeyCodeToImGuiKey(), non-static. (#7997) 
Backends: Win32: Refactor ImGui_ImplWin32_KeyEventToImGuiKey() logic.
Ref #7672
 2024-09-19 14:10:00 +02:00
ocornut
214977e5fd IO: (BREAKING) moved io.GetClipboardTextFn, io.SetClipboardTextFn to platform_io.Platform_GetClipboardTextFn, platform_io.Platform_SetClipboardTextFn. 2024-08-22 20:12:23 +02:00
Connor Clark
f2c07ed717
Backends: Allegro5: Correctly handle unstable bit in version checks (#7755) 2024-06-30 23:25:51 +02:00
ocornut
5e23680454 Backends: all backends + demo now call IMGUI_CHECKVERSION() to verify ABI compatibility between caller code and compiled version of dear imgui. (#7568) 2024-05-13 15:07:13 +02:00
ocornut
d15574ce2a Backends: Win32: Removed silent return when calling ImGui_ImplWin32_WndProcHandler() with no active context! (#6275) 
Better standardized similar checks in other backends.
 2024-05-07 16:53:03 +02:00
Bruce Mitchener
f50ddc431e
Fixed some typos. (#7282) 2024-02-01 18:30:00 +01:00
ocornut
ab522dd18c Removed IM_OFFSETOF() macro in favor of using offsetof() available in C++11. Kept redirection define. (#4537) 2023-11-09 16:44:39 +01:00
ocornut
357f752bed Docs: add more links to the top of every examples and backends files. 2023-09-11 14:01:40 +02:00
ocornut
33e13c85e1 Backends: Made all backends sources files support global IMGUI_DISABLE. (#6601) 2023-07-13 11:27:52 +02:00
Gereon V
055e71518e Backends: clear bits set in io.BackendFlags on backend Shutdown(). Clear BackendPlatformName. (#6334, #6335) 
Amended with fix for missing clear for ImGuiBackendFlags_HasGamepad.
 2023-04-17 14:57:12 +02:00
ocornut
e816bc6723 Merge misc changes from docking branch to reduce small drift. 
In particular:
- imgui.cpp : move UpdateInputEvents() higher in NewFrame() to match docking + update RenderMouseCursor() to match.
- imgui_draw.cpp: ImDrawList::_ResetForNewFrame() change from c807192ab
- Backends: SDL2. Add MouseWindowID + change SDL_CaptureMouse() test to match docking branch. Not strictly necessary but aimed at reducing drift because we go on and fork this file.
+ moved responsability of checking valid names to TabBarGetTabName() to simplify both branches.
 2023-02-07 13:22:23 +01:00
ocornut
a5f3596e6c Backends: Allegro5: use al_draw_indexed_prim() or al_draw_prim() depending on version. (#5937) 
+ OSX comments (#5938)
Amend 185b4dde + 50aeeff
 2022-11-30 14:46:45 +01:00
Espyo
50aeeff96c Backends: Allegro5: Brough back al_draw_indexed_prim when available. (#5937) 
Amend 185b4dde
 2022-11-30 14:44:46 +01:00
ocornut
c54230d14e Backends: Using nullptr instead of NULL. (#5760, #4537) + fix additional warnings. 2022-10-11 12:35:41 +02:00
ocornut
fd408c9790 Renamed and merged keyboard modifiers key enums and flags into a same set:. ImGuiKey_ModXXX -> ImGuiMod_XXX and ImGuiModFlags_XXX -> ImGuiMod_XXX. (#4921, #456) 
Changed signature of GetKeyChordName() to use ImGuiKeyChord.
Additionally SetActiveIdUsingAllKeyboardKeys() doesn't set ImGuiKey_ModXXX but we never need/use those and the system will be changed in upcoming commits.
 2022-09-26 10:43:26 +02:00
ocornut
55f8989392 Docs update, binaries link + Backend: Allegro: fix warning (#5281) 2022-05-04 15:16:05 +02:00
ocornut
f7f30476d5 Added comments about requirement for bilinear filtering. (#5156, #3245) + Backends: SDL_Renderer: Explicitely call SDL_SetTextureScaleMode(). (#4927) 2022-04-07 14:28:08 +02:00
ocornut
fd06ed833b Misc: tweaks + fix warnings on backends withtout -wno-memaccess (#4995, #5104) 2022-03-13 17:57:32 +07:00
ocornut
1e18da5c38 Backends, Examples: Add comments about using WndProc handler and WantCaptureXXX flags. (#5061) 
+ update README.
 2022-02-28 20:51:50 +01:00
ocornut
c906c65cac (BREAKING) Replaced AddKeyModsEvent() added by 790132a in favor of unified key enum system. Backends: update most. (#4921, #4858) 
Sorry this is an unusual breaking but since we are WIP it is a good time to make a correction.
 2022-01-27 17:46:48 +01:00
thedmd
b8e56dce83 IO: Added AddMousePosEvent(), AddMouseButtonEvent(), AddMouseWheelEvent() api + updated all Backends. (#4858) (input queue code will be next commit) 
Details: note that SDL, OSX and GLFW backends removed recording of MouseJustPressed[] which will be unnecessary with input queue (which is the NEXT commit). (#2787, #1992, #3383, #2525, #1320)
 2022-01-17 17:35:37 +01:00
ocornut
92c4ff1c2f Rename ImGuiKey_LeftControl to ImGuiKey_LeftCtrl, ImGuiKey_RightControl to ImGuiKey_RightCtrl + made key order match mods order. (#4858) 2022-01-17 15:42:04 +01:00
ocornut
0755767440 Backends: move io.AddKeyModsEvent() next to io.AddKeyEvent() submission, rely on mods from platform/source. (#4858) + fix #2622 again broken by 746c9f7 
Amended to submit modifiers before.
 2022-01-17 15:21:17 +01:00
ocornut
200a8f1ea2 Backends: GLFW: Update mouse inputs using glfwSetCursorPosCallback() (breaking) + fallback to provide it when focused but not hovered/captured + update MousePos before MouseButtons. 
+ Allegro5 remove unnecessary clear.
 2022-01-12 17:48:47 +01:00
ocornut
e8172fdfbc Rename io.AddKeyModEvent() -> io.AddKeyModsEvent() and updated backends accordingly. (#2625, #4858) 
Amend 790132a (breaking)
 2022-01-10 17:00:32 +01:00
ocornut
790132a672 Added io.AddKeyModEvent() and updated backends accordingly. (#2625, #4858) 2022-01-10 15:17:00 +01:00
thedmd
1bfe4a75be Backends: Allegro5: Update to use io.AddEventKey() will full key map (#2625, #4858) 2022-01-10 15:13:36 +01:00
ocornut
afffcd5810 Inputs: rename ImGuiKey_KeyPadEnter > ImGuiKey_KeypadEnter (#2625) 2022-01-06 14:25:56 +01:00
ocornut
a19815dc6b Backends: Allegro5: Fixed mishandling of the ImDrawCmd::IdxOffset field. (#4790) 2021-12-08 16:34:57 +01:00