// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA"	"0..1"
#include "common_ps_fxc.h"
#include "common_cbuffers_fxc.h"
CBUFFER_PERFRAME(register(b0))

Texture2D ExposureTexture0		: register( t0 );
sampler ExposureTextureSampler0	: register( s0 );
Texture2D ExposureTexture1		: register( t1 );
sampler ExposureTextureSampler1	: register( s1 );
Texture2D ExposureTexture2		: register( t2 );
sampler ExposureTextureSampler2	: register( s2 );

struct PS_INPUT
{
	float4 projPos					: SV_POSITION;

	float2 baseTexCoord : TEXCOORD0;
	float2 baseTexCoord01 : TEXCOORD1;
	float2 baseTexCoord10 : TEXCOORD2;
	float2 baseTexCoord11 : TEXCOORD3;
	float2 baseTexCoord_In_Pixels: TEXCOORD4;
};

float4 main( PS_INPUT i ) : SV_TARGET
{
	HALF3 color0 = 0.25*ExposureTexture0.Sample( ExposureTextureSampler0, i.baseTexCoord );
	HALF3 color1 = 2.0*ExposureTexture1.Sample( ExposureTextureSampler1, i.baseTexCoord );
	HALF3 color2 = 16.0*ExposureTexture2.Sample( ExposureTextureSampler2, i.baseTexCoord );

	// This is never fogged.
	return FinalOutput( float4(1,0,0,1 ), 0, PIXEL_FOG_TYPE_NONE, float4(0, 0, 0, 1),
						TONEMAP_SCALE_LINEAR, cToneMappingScale, WRITE_DEPTH_TO_DESTALPHA, 1e20 ); //when writing depth to dest alpha, write a value guaranteed to saturate
}