gzdoom/wadsrc/static/shaders/glsl/stencil.fp

layout(location=0) out vec4 FragColor;
#ifdef GBUFFER_PASS
layout(location=1) out vec4 FragFog;
layout(location=2) out vec4 FragNormal;
#endif

void main()
{
	FragColor = vec4(1.0, 1.0, 1.0, 0.0);
#ifdef GBUFFER_PASS
	FragFog = vec4(0.0, 0.0, 0.0, 1.0);
	FragNormal = vec4(0.5, 0.5, 0.5, 1.0);
#endif
}