UnrealEngineUWP/Engine/Shaders/Private/ScreenPass.usf

// Copyright Epic Games, Inc. All Rights Reserved.

#include "Common.ush"

Texture2D InputTexture;
SamplerState InputSampler;

void ScreenPassVS(
	in float4 InPosition : ATTRIBUTE0,
	in float2 InTexCoord : ATTRIBUTE1,
	out noperspective float4 OutUVAndScreenPos : TEXCOORD0,
	out float4 OutPosition : SV_POSITION)
{
	DrawRectangle(InPosition, InTexCoord, OutPosition, OutUVAndScreenPos);
}

float4 CopyRectPS(
	noperspective float4 UVAndScreenPos : TEXCOORD0
	) : SV_Target0
{
	float2 UV = UVAndScreenPos.xy;
	return Texture2DSample(InputTexture, InputSampler, UV);
}