Duckstation/src/frontend-common/display_ps.hlsl

Texture2D samp0 : register(t0);
SamplerState samp0_ss : register(s0);

void main(in float2 v_tex0 : TEXCOORD0,
          out float4 o_col0 : SV_Target)
{
  o_col0 = float4(samp0.Sample(samp0_ss, v_tex0).rgb, 1.0);
}