Tested versions

• Reproducible in v4.5.dev.custom_build [dbddc9e]
• Reproducible in 4.4.1-stable

System information

Godot v4.5.dev (dbddc9e) - Windows 11 (build 26100) - Multi-window, 2 monitors - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 3070 Laptop GPU (NVIDIA; 32.0.15.6614) - 12th Gen Intel(R) Core(TM) i9-12900H (20 threads)

Issue description

Crashes or error spam when using FSR2.

I was able to produce these in a new project, adding a subviewport, a camera, and setting these on the sbvp:

Error spam

• Viewport < 256x256, FSR2, 3D Scaling <= 0.3
• Viewport < 64x64, FSR2, 3D Scaling 1

Crash

• Viewport 2x2, FSR2, 3D Scaling < 1
• Viewport <8x8, FSR2, 3D Scaling < .3

This is the error that prints to the console. The error didn't occur in 4.3.

ERROR: Condition "p_job.uavMip[i] >= mip_slice_rids.size()" is true. Returning: FFX_ERROR_INVALID_ARGUMENT
   at: execute_gpu_job_compute_rd (servers\rendering\renderer_rd\effects\fsr2.cpp:418)

Minimal reproduction project (MRP)

See next post