message: Extra information for building demos using cmake
  Include example cmake and make commands similar to the instructions for renderdoc compiling.
diff: @@ -8,7 +8,14 @@ A lot of the tests rely on a 'demos' program which contains small self-contained
  To build on windows, open `demos.sln` and compile. There are no required external dependencies
  -To build on linux, compile using cmake with `demos/CMakeLists.txt`. You'll need `libX11`, `libxcb`, and `libX11-xcb`. These are all needed to build RenderDoc with GL support so you likely have them already.
  +To build on linux, compile using cmake with `demos/CMakeLists.txt` ie.
  +
  +```
  +cmake -Bbuild -Hdemos
  +make -C build
  +```
  +
  +You'll need `libX11`, `libxcb`, and `libX11-xcb`. These are all needed to build RenderDoc with GL support so you likely have them already.
  **NOTE:** Currently there is one soft external dependency. If shaderc is not linked into the demos program, it expects to be able to run `glslc` at runtime to compile shaders to SPIR-V. Without this, some tests will be disabled.
  