Shader Printf in HLSL and DX12 discusses the challenges of debugging GPU shaders and presents a method for implementing a shader printf using HLSL and D3D12. The method involves clearing a print buffer, using a debug info buffer, and packing string and argument data into the print buffer.
Table of contents
Overall ApproachSetting Up The Print BufferThe “Magic” Debug Info BufferDealing With The String ProblemPacking It All Into A BufferReading Back On The CPUGoing Beyond PrintfCR LFSort: