OpenGL-utility/examples/movement/shaders/fragmentShader.frag

#version 330 core
in vec2 oUV;

out vec4 FragColor;

uniform sampler2D texture1;
uniform sampler2D texture2;

uniform float ambientStrength;
uniform vec3 ambientColor;

void main()
{
	vec3 ambient = ambientColor * ambientStrength;

	FragColor = mix(texture(texture1, oUV), texture(texture2, oUV), 0.2) * vec4(ambient, 1.0);
}