Texture2D CameraTarget : register(t0);
SamplerState CameraTargetSampler : register(s0);

struct VS_IN
{
	float2 Position : POSITION;
	float2 TexCoord : TEXCOORD0;
};

struct PS_IN
{
	float4 Position : SV_POSITION;
	float2 TexCoord : TEXCOORD;
};

PS_IN VS(VS_IN input)
{
	PS_IN output;

	output.Position = float4(input.Position, 0, 1);
	output.TexCoord = input.TexCoord;

	return output;
}

float4 PS(PS_IN input) : SV_TARGET
{
	float4 rawColor = CameraTarget.Sample(CameraTargetSampler, input.TexCoord);

	float3 color = rawColor.rgb / (rawColor.rgb + 1.0f);

	color = pow(color, 1.0f / 2.2f);

	return float4(color, 1);
}

#effect[VS = VS, PS = PS]