//========== Copyright (c) Valve Corporation, All rights reserved. ==========//
// STATIC: "VERTEXCOLOR" "0..1" [=0]
// STATIC: "TRANSFORMVERTS" "0..1" [=0]


#include "common_vs_fxc.h"

struct VS_INPUT
{
	float3 vPos						: POSITION;
	float2 vBaseTexCoord			: TEXCOORD0;

	#if VERTEXCOLOR
		float4 vColor				: COLOR0;
	#endif
};

struct VS_OUTPUT
{
    float4 projPos					: POSITION;	
	float2 baseTexCoord				: TEXCOORD0;

	#if VERTEXCOLOR
		float4 vColor				: TEXCOORD1;
	#endif
};

float4 Texel_Sizes : register (SHADER_SPECIFIC_CONST_0);

VS_OUTPUT main( const VS_INPUT v )
{
	VS_OUTPUT o = ( VS_OUTPUT )0;

	if ( TRANSFORMVERTS )
		o.projPos.xyzw = mul( float4( v.vPos.xyz, 1.0f ), cModelViewProj );
	else
		o.projPos = float4( v.vPos, 1.0f );

#ifdef _PS3
	// Account for OpenGL's flipped y coordinate and expanded z range [-1,1] instead of [0,1]
	o.projPos.y = -o.projPos.y;
	o.projPos.z = 2.0f * o.projPos.z - o.projPos.w;
#endif // _PS3

	o.baseTexCoord = v.vBaseTexCoord;

	#if ( VERTEXCOLOR )
		o.vColor.rgba = v.vColor.rgba;
	#endif

	return o;
}