struct LightSourceParameters
{
	vec4 position;
	vec3 color;
};

struct ClipPlane
{
	vec4 equation;
};

uniform mat4 world_obj_matrix;
uniform mat3 world_obj_normal_matrix;
uniform CameraTransform
{
	mat4 eye_world_matrix;
	mat4 world_eye_matrix;
	mat4 clip_eye_matrix;
	mat4 eye_clip_matrix;
};

uniform Lighting
{
	// Declared as an array for compatibility reasons
	LightSourceParameters light_sources[1];
	vec4 ambient_color;
	vec4 sky_color;
	vec3 world_zenith_dir;
	float horizon_limit;
	vec4 fog_color;
	float fog_density;
};

layout(constant_id=auto) const bool use_clipping = false;
layout(constant_id=auto) const int max_clip_planes = 8;
uniform Clipping
{
	ClipPlane clip_planes[max_clip_planes];
};

#pragma MSP stage(vertex)
layout(location=0) in vec4 vertex;
layout(location=1) in vec4 color;
layout(location=2) in vec3 normal;
layout(location=3) in vec3 tangent;
layout(location=4) in vec4 group;
layout(location=5) in vec4 weight;
layout(location=6) in vec4 texcoord;
layout(location=7) in vec4 texcoord1;
layout(location=8) in vec4 texcoord2;
layout(location=9) in vec4 texcoord3;
layout(location=13) in vec4 instance_transform[3];

#pragma MSP stage(fragment)
layout(location=0) out vec4 frag_color;