#version 450

layout(location = 0) out vec3 fragColor;
layout(location = 1) out vec2 texCoord;

vec2 positions[3] = vec2[](
    vec2(0.0, -0.5),
    vec2(0.5, 0.5),
    vec2(-0.5, 0.5)
);

vec3 colors[3] = vec3[](
    vec3(1.0, 0.0, 0.0),
    vec3(0.0, 1.0, 0.0),
    vec3(0.0, 0.0, 1.0)
);

vec2 texcoords[3] = vec2[](
	vec2(1.0f, 0.0f),
	vec2(0.0f, 0.0f),
	vec2(0.0f, 1.0f)
);

void main() {
	gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
	fragColor = colors[gl_VertexIndex];
	texCoord  = texcoords[gl_VertexIndex];
}