cbuffer camera : register(b0)
{
    float4x4 projection;
    float4x4 view;
}

float4 vs_main(float4 pos : POSITION) : SV_POSITION
{
    float4 mv = mul(camera.view, pos);
    float4 mvp = mul(camera.projection, mv);
    return mvp;
}

float4 ps_main() : SV_TARGET
{
    return float4(0.5f, 0.5f, 0.5f, 1.0f);
}