#version 460

layout(location = 0) in vec4 aPosition;
layout(location = 1) in vec2 aTexcoord;

out vec2 vTexcoord;

uniform mat4 gModelMatrix;
uniform mat4 gViewMatrix;
uniform mat4 gProjectionMatrix;

void main() {
    vec4 positionWS = gModelMatrix * aPosition;
    positionWS.x = -positionWS.x;
    vec4 positionVS = gViewMatrix * positionWS;
    gl_Position = gProjectionMatrix * positionVS;
    vTexcoord = vec2(aTexcoord.x, 1.0 - aTexcoord.y);
}