cube-game-plus-plus/resources/shader/worldPostFragment.fs

#version 430

layout (binding = 0) uniform sampler2D colorSamp;
layout (binding = 1) uniform sampler2D ssaoSamp;
layout (binding = 2) uniform sampler2D shadowSamp;
layout (binding = 3) uniform sampler2D worldNormalSamp;

uniform bool useSSAO;

in vec2 varTex;

out vec4 color;

const vec3 light = vec3(-0.280166, -0.573576, -0.769751);

void main()
{
    if(useSSAO)
    {
        color = vec4(texture(colorSamp, varTex).xyz * (texture(ssaoSamp, varTex).r + 0.5), 1.0);
    }
    else
    {
        color = vec4(texture(colorSamp, varTex).xyz, 1.0);
    }

    float diffuseLight = float(dot(texture(worldNormalSamp, varTex).xyz, -light) > 0);
    float f = diffuseLight * texture(shadowSamp, varTex).r;

    color *= f * 0.5 + 0.5;

    //color *= f * 0.5 + 0.5;

    //color = texture(worldNormalSamp, varTex);
}