Alexey Tselousov

SDL3 backend: No window retargeting?

5

### Version/Branch of Dear ImGui: Version 1.XX, Branch: XXX (master/docking/etc.) ### Back-ends: imgui_impl_XXX.cpp + imgui_impl_XXX.cpp ### Compiler, OS: macOS + Clang++12 ### Full config/build information: Git clone of latest main...

BGFX_CONFIG_MAX_FRAME_LATENCY bad implementation on OSX

2

any project that uses bgfx including the sample projects have very bad frame lag that you can do absolutely nothing about (apart from turning off vsync), making it practically unusable...

Frame Lag on Metal SDL3 GPU

10

You have to use 'CVDisplayLink' on macos, record your command buffer there and call [commandBuffer presentDrawable:view.currentDrawable atTime: outputTime]; using the 'const CVTimeStamp* outputTime' from the CVDisplayLink argument. Otherwise you get...

Remove busy loops in SDL_GPUFence

2

SDL_GPUFence is implemented as just a busy loop on an atomic int, a SDL_GPUCondition gives the cpu some rest

added display link feature for better latency on OSX

5

## Description Added SDL_WaitCondition in METAL_WaitForSwapchain and AcquireSwapchainTexture to wait for a callback from CVDisplayLink and to wait for presentation of previous frames. A conventional game while loop like while(!quit)...