demotool/shaders/raymarch-header.glsl

layout( location = 0 ) uniform float u_Time;
layout( location = 1 ) uniform vec2 u_Resolution;
layout( location = 2 ) uniform vec3 u_CamPos;
layout( location = 3 ) uniform vec3 u_LookAt;
layout( location = 4 ) uniform vec3 u_CamUp;
layout( location = 5 ) uniform float u_NearPlane;
layout( location = 6 ) uniform vec3 u_LightDir;
layout( location = 7 ) uniform vec4 u_Render;

vec3 camPos , lookAt , camUp;
float nearPlane;

layout( location = 0 ) out vec3 o_Color;
layout( location = 1 ) out float o_Z;

void setCamFromUniforms( ) {
	camPos = u_CamPos;
	lookAt = u_LookAt;
	camUp = u_CamUp;
	nearPlane = u_NearPlane;
}