On macOS with Retina displays, dpiScale is 2.0 but gets overridden to userScale alone under __APPLE__. The early-return check compared prevScale against the pre-override value (dpiScale * userScale), which for 50% zoom evaluates to 2.0 * 0.5 = 1.0, matching the previous prevScale of 1.0 and causing an early return before the scale change could take effect. Moving the __APPLE__ override before the early-return check ensures the comparison uses the actual effective scale.
Tracy Profiler
A real time, nanosecond resolution, remote telemetry, hybrid frame and sampling profiler for games and other applications.
Tracy supports profiling CPU (Direct support is provided for C, C++, Lua, Python and Fortran integration. At the same time, third-party bindings to many other languages exist on the internet, such as Rust, Zig, C#, OCaml, Odin, etc.), GPU (All major graphic APIs: OpenGL, Vulkan, Direct3D 11/12, Metal, OpenCL, CUDA.), memory allocations, locks, context switches, automatically attribute screenshots to captured frames, and much more.
- Documentation for usage and build process instructions
- Releases containing the documentation (
tracy.pdf) and compiled Windows x64 binaries (Tracy-<version>.7z) as assets - Changelog
- Interactive demo
An Introduction to Tracy Profiler in C++ - Marcos Slomp - CppCon 2023
Introduction to Tracy Profiler v0.2
New features in Tracy Profiler v0.3
New features in Tracy Profiler v0.4
New features in Tracy Profiler v0.5
New features in Tracy Profiler v0.6
New features in Tracy Profiler v0.7
New features in Tracy Profiler v0.8



