uniform sampler2D tex;

#pragma MSP stage(vertex)
layout(location=0) in vec4 vertex;
layout(location=1) in vec2 texcoord;
void main()
{
	gl_Position = vertex;
	passthrough;
}

#pragma MSP stage(fragment)
layout(location=0) out float result;
void main()
{
	float value = texture(tex, texcoord).r;
	float pot;
	for(pot=0; pot<value; pot*=2) { }
	result = pot;
}

/* Expected output: vertex
layout(location=0) in vec4 vertex;
layout(location=1) in vec2 texcoord;
layout(location=0) out vec2 _vs_out_texcoord;
void main()
{
	gl_Position = vertex;
	_vs_out_texcoord = texcoord;
}
*/

/* Expected output: fragment
layout(location=0, binding=71) uniform sampler2D tex;
layout(location=0) out float result;
layout(location=0) in vec2 _vs_out_texcoord;
void main()
{
	float value = texture(tex, _vs_out_texcoord).r;
	float pot;
	for(pot = 0.0; pot<value; pot *= 2.0) { }
	result = pot;
}
*/