#pragma MSP stage(vertex)
layout(binding=0) uniform sampler2D heightmap;
layout(location=0) uniform mat4 mvp;
layout(location=0) in vec2 position;
layout(location=1) in vec3 texcoord;
void main()
{
	gl_Position = mvp*vec4(position, texture(heightmap, texcoord.xy).r, 1.0);
	passthrough;
}

#pragma MSP stage(fragment)
layout(binding=1) uniform sampler2DArray heightmap;
layout(location=3) uniform vec4 color;
layout(location=0) out vec4 frag_color;
void main()
{
	frag_color = color*texture(heightmap, texcoord).r;
}

/* Expected error:
<test>:13: Mismatched binding 1 for uniform 'heightmap'
<test>:2: Previously declared here with binding 0
<test>:13: Mismatched type 'sampler2DArray' for uniform 'heightmap'
<test>:2: Previously declared here with type 'sampler2D'
<test>:14: Overlapping location 3 for 'color'
<test>:3: Previously used here for 'mvp'
*/