csgo/cstrike15_src/materialsystem/stdshaders/bufferclearobeystencil_ps2x.fxc

//========== Copyright (c) Valve Corporation, All rights reserved. ==========//

// STATIC: "RELOADZCULL"			"0..0"	[XBOX]
// STATIC: "RELOADZCULL"			"0..0"	[PC]
// STATIC: "RELOADZCULL"			"0..1"	[SONYPS3]

#include "common_ps_fxc.h"

struct PS_INPUT
{
	float4 vColor	: COLOR0;
};

HALF4 main( 
	PS_INPUT i 
#if RELOADZCULL
	, out float flDepth : DEPTH
#endif // RELOADZCULL
	) : COLOR
{
#if RELOADZCULL
	// When reloading Zcull memory on the PS3, we need to draw a quad with depth = 0 (so it doesn't get early-culled) but then emit a depth of 1.0
	// because we need to guarantee that every pixel is rejected by the hardware and simply forces the ROP unit to update Zcull memory
	flDepth = 1.0f;
#endif // RELOADZCULL

	return i.vColor;
}