Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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5 years ago
#include "common_vs_fxc.h"
const float4 g_vTextureSizeInfo : register( SHADER_SPECIFIC_CONST_0 );
const float4 g_mBaseTexCoordTransform[2] : register( SHADER_SPECIFIC_CONST_1 );
//SHADER_SPECIFIC_CONST_2
#define TEXEL_XINCR (g_vTextureSizeInfo.x)
#define TEXEL_YINCR (g_vTextureSizeInfo.y)
#define U_TO_PIXEL_COORD_SCALE (g_vTextureSizeInfo.z)
#define V_TO_PIXEL_COORD_SCALE (g_vTextureSizeInfo.w)
struct VS_INPUT
{
float4 vPos : POSITION;
float2 vTexCoord0 : TEXCOORD0;
};
struct VS_OUTPUT
{
float4 projPos : POSITION;
//#if defined( _X360 )
// float2 baseTexCoord : TEXCOORD0;
//#else
float2 baseTexCoord00 : TEXCOORD0;
float2 baseTexCoord01 : TEXCOORD1;
float2 baseTexCoord10 : TEXCOORD2;
float2 baseTexCoord11 : TEXCOORD3;
float2 baseTexCoord_In_Pixels: TEXCOORD4;
//#endif
};
VS_OUTPUT main( const VS_INPUT v )
{
VS_OUTPUT o = ( VS_OUTPUT )0;
o.projPos = mul( v.vPos, cModelViewProj );
float4 vTexCoordInput = { v.vTexCoord0.x, v.vTexCoord0.y, 0.0f, 1.0f };
float2 vTexCoord;
vTexCoord.x = dot( vTexCoordInput.xyzw, g_mBaseTexCoordTransform[0] );
vTexCoord.y = dot( vTexCoordInput.xyzw, g_mBaseTexCoordTransform[1] );
//#if defined( _X360 )
// o.baseTexCoord.xy = vTexCoord.xy;
//#else
// Compute quantities needed for pixel shader texture lerping
o.baseTexCoord00.x = vTexCoord.x - TEXEL_XINCR;
o.baseTexCoord00.y = vTexCoord.y - TEXEL_YINCR;
o.baseTexCoord10.x = vTexCoord.x + TEXEL_XINCR;
o.baseTexCoord10.y = vTexCoord.y - TEXEL_YINCR;
o.baseTexCoord01.x = vTexCoord.x - TEXEL_XINCR;
o.baseTexCoord01.y = vTexCoord.y + TEXEL_YINCR;
o.baseTexCoord11.x = vTexCoord.x + TEXEL_XINCR;
o.baseTexCoord11.y = vTexCoord.y + TEXEL_YINCR;
o.baseTexCoord_In_Pixels.xy = o.baseTexCoord00.xy;
o.baseTexCoord_In_Pixels.x *= U_TO_PIXEL_COORD_SCALE;
o.baseTexCoord_In_Pixels.y *= V_TO_PIXEL_COORD_SCALE;
//#endif
return o;
}