// __multiversion__
// This signals the loading code to prepend either #version 100 or #version 300 es as apropriate.

// To use centroid sampling we need to have version 300 es shaders, which requires changing:
// attribute to in
// varying to out when in vertex shaders or in when in fragment shaders
// defining an out vec4 FragColor and replacing uses of gl_FragColor with FragColor
// texture2D to texture
#if __VERSION__ >= 300

// version 300 code

#define varying in
#define texture2D texture
layout(location = 0) out vec4 FragColor;
#define gl_FragColor FragColor
layout(location = 1) out vec4 FragData;
#define gl_FragData FragData

#else

// version 100 code

#endif

uniform vec4 OVERLAY_COLOR;
uniform vec4 BLOOM_CONTROL;

varying vec4 light;

void main()
{
	vec4 color = mix(vec4(1), light, light.a );

	color.rgb = mix(color, OVERLAY_COLOR, OVERLAY_COLOR.a).rgb;

#if __VERSION__ >= 300
	gl_FragColor = color;
	vec3 lightCol = pow(light.rgb, vec3(BLOOM_CONTROL.x)) * BLOOM_CONTROL.y * 0.5;
	gl_FragData = vec4(lightCol, 1.0);
#else
	gl_FragColor = color;
#endif
}