uniform Shadow
{
	mat4 shadow_matrix;
};
uniform Camera
{
	mat4 viewproj_matrix;
};
uniform Surface
{
	vec4 color;
};
layout(push_constant) uniform Transform
{
	mat4 model_matrix;
};
uniform sampler2DShadow shadow_map;

#pragma MSP stage(vertex)
layout(location=0) in vec4 position;
void main()
{
	out vec4 world_position = model_matrix*position;
	gl_Position = viewproj_matrix*world_position;
}

#pragma MSP stage(fragment)
layout(location=0) out vec4 frag_out;
float get_shadow()
{
	vec3 shadow_coord = (shadow_matrix*world_position).xyz;
	if(shadow_coord.x>=0 && shadow_coord.x<=1 && shadow_coord.y>=0 && shadow_coord.y<=1)
		return texture(shadow_map, shadow_coord);
	else
		return 1;
}
void main()
{
	frag_out = vec4(color.rgb*get_shadow(), color.a);
}

// Target API: Vulkan

/* Expected output: vertex
layout(set=0, binding=24) uniform Camera
{
	mat4 viewproj_matrix;
};
layout(push_constant) uniform Transform
{
	mat4 model_matrix;
};
layout(location=0) in vec4 position;
layout(location=0) out vec4 world_position;
void main()
{
	world_position = model_matrix*position;
	gl_Position = viewproj_matrix*world_position;
}
*/

/* Expected output: fragment
layout(set=0, binding=35) uniform Shadow
{
	mat4 shadow_matrix;
};
layout(set=0, binding=65) uniform Surface
{
	vec4 color;
};
layout(set=0, binding=73) uniform sampler2DShadow shadow_map;
layout(location=0) out vec4 frag_out;
layout(location=0) in vec4 world_position;
float get_shadow()
{
	vec3 shadow_coord = (shadow_matrix*world_position).xyz;
	if(shadow_coord.x>=0.0&&shadow_coord.x<=1.0&&shadow_coord.y>=0.0&&shadow_coord.y<=1.0)
		return texture(shadow_map, shadow_coord);
	else
		return 1.0;
}
void main()
{
	frag_out = vec4(color.rgb*get_shadow(), color.a);
}
*/