Pixel-Composer/build/Windows/0/cache/sh_lum2alpha.shader

//
// Simple passthrough vertex shader
//
attribute vec3 in_Position;                  // (x,y,z)
//attribute vec3 in_Normal;                  // (x,y,z)     unused in this shader.
attribute vec4 in_Colour;                    // (r,g,b,a)
attribute vec2 in_TextureCoord;              // (u,v)

varying vec2 v_vTexcoord;
varying vec4 v_vColour;

void main()
{
    vec4 object_space_pos = vec4( in_Position.x, in_Position.y, in_Position.z, 1.0);
    gl_Position = gm_Matrices[MATRIX_WORLD_VIEW_PROJECTION] * object_space_pos;
    
    v_vColour = in_Colour;
    v_vTexcoord = in_TextureCoord;
}

//######################_==_YOYO_SHADER_MARKER_==_######################@~
//
// Simple passthrough fragment shader
//
varying vec2 v_vTexcoord;
varying vec4 v_vColour;

uniform vec4 color;
uniform float intensity;

void main() {
	vec4 samp	 = texture2D( gm_BaseTexture, v_vTexcoord );
	float bright = dot(samp.rgb, vec3(0.2126, 0.7152, 0.0722));
	vec4 col	 = color;
	col.a *= bright * intensity;
	
    gl_FragColor = col;
}