#version 330

in vec2 texCoord0;

uniform sampler2D texture0;
uniform sampler2D texture1;
uniform float exposure;

out vec4 outColor;

void main()
{
	//const float gamma = 2.2;
    vec3 originalColor = texture(texture0, texCoord0).rgb;
    vec3 blurColor = texture(texture1, texCoord0).rgb;

	// blend both together additively
    vec3 bloomColor = originalColor + blurColor;

    // tone mapping
    //vec3 toneMapping = vec3(1.0) - exp(-bloomColor * exposure);

    // gamma correction
    //toneMapping = pow(toneMapping, vec3(1.0 / gamma));
	outColor = vec4(bloomColor, 1.0);
    //outColor += vec4(toneMapping, 1.0);
}