pixels/shaders/README.md

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# Shaders
The GLSL shader source is not compiled as part of the normal cargo build process. This was a conscious decision sparked by the current state of the ecosystem; compiling GLSL-to-SPIR-V requires a C++ toolchain including CMake, which is an unacceptable constraint for a simple crate providing a pixel buffer.
If you need to modify the GLSL sources, you must also recompile the SPIR-V as well. This can be done with `glslang`, `glslc`, etc.
Compile shaders with `glslangValidator`:
```bash
glslangValidator -V shader.frag && glslangValidator -V shader.vert
```
2019-10-28 10:36:47 +11:00
For more information, see https://github.com/parasyte/pixels/issues/9