glslangValidator -V app/src/main/assets/shaders/bg.frag -o app/src/main/assets/shaders/bg.frag.spv
glslangValidator -V app/src/main/assets/shaders/bg.vert -o app/src/main/assets/shaders/bg.vert.spv

glslangValidator -V app/src/main/assets/shaders/texture.frag -o app/src/main/assets/shaders/texture.frag.spv
glslangValidator -V app/src/main/assets/shaders/texture.vert -o app/src/main/assets/shaders/texture.vert.spv

glslangValidator -V app/src/main/assets/shaders/simple_shader.frag -o app/src/main/assets/shaders/simple_shader.frag.spv
glslangValidator -V app/src/main/assets/shaders/simple_shader.vert -o app/src/main/assets/shaders/simple_shader.vert.spv