tree 395c8bb1f19218aba1a05f1624b4a50774596dc3
parent e41e86d0fe8cf8252281d179099ae172a2a942a3
author Ben Clayton <bclayton@google.com> 1587588927 +0100
committer Ben Clayton <bclayton@google.com> 1587720646 +0000

SpirvShader: Add WriteCFGGraphVizDotFile debug function

Spits out a graphviz .dot file describing the control flow of the shader.

This is very similar to the output of the spirv-cfg tool in SPIRV-Tools. This is just much easier to use, and allows us to add more bespoke information to the graph in the future.

Bug: b/140287657
Change-Id: Id90b065a3599b941b192a5e8105dffac9ba8f566
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/32952
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Ben Clayton <bclayton@google.com>