// XC_BUILTIN_FORWARD_LIT_OPENGL_VS
#version 430
layout(location = 0) in vec3 aPosition;
layout(location = 1) in vec3 aNormal;
layout(location = 2) in vec2 aTexCoord;

layout(std140, binding = 0) uniform PerObjectConstants {
    mat4 gProjectionMatrix;
    mat4 gViewMatrix;
    mat4 gModelMatrix;
    mat4 gNormalMatrix;
};

out vec3 vNormalWS;
out vec2 vTexCoord;
out vec3 vPositionWS;

void main() {
    vec4 positionWS = gModelMatrix * vec4(aPosition, 1.0);
    vec4 positionVS = gViewMatrix * positionWS;
    gl_Position = gProjectionMatrix * positionVS;
    vNormalWS = mat3(gNormalMatrix) * aNormal;
    vTexCoord = aTexCoord;
    vPositionWS = positionWS.xyz;
}