uniform sampler2D tex;

#pragma MSP stage(vertex)
layout(location=0) in vec4 position;
void main()
{
	out vec2 texcoord = position.xy*0.5+0.5;
	gl_Position = position;
}

#pragma MSP stage(geometry)
layout(triangles) in;
layout(triangle_strip, max_vertices=3) out;
void main()
{
	passthrough[0];
	EmitVertex();
	passthrough[1];
	EmitVertex();
	passthrough[2];
	EmitVertex();
}

#pragma MSP stage(fragment)
layout(location=0) out vec4 frag_color;
void main()
{
	frag_color = texture(tex, texcoord);
}

/* Expected output: vertex
layout(location=0) in vec4 position;
layout(location=0) out vec2 texcoord;
void main()
{
	texcoord = position.xy*0.5+0.5;
	gl_Position = position;
}
*/

/* Expected output: geometry
layout(triangles) in;
layout(triangle_strip, max_vertices=3) out;
layout(location=0) in vec2 texcoord[];
layout(location=0) out vec2 _gs_out_texcoord;
void main()
{
	gl_Position = gl_in[0].gl_Position;
	_gs_out_texcoord = texcoord[0];
	EmitVertex();
	gl_Position = gl_in[1].gl_Position;
	_gs_out_texcoord = texcoord[1];
	EmitVertex();
	gl_Position = gl_in[2].gl_Position;
	_gs_out_texcoord = texcoord[2];
	EmitVertex();
}
*/

/* Expected output: fragment
layout(location=0) uniform sampler2D tex;
layout(location=0) out vec4 frag_color;
layout(location=0) in vec2 _gs_out_texcoord;
void main()
{
	frag_color = texture(tex, _gs_out_texcoord);
}
*/