45 lines
820 B
Plaintext
45 lines
820 B
Plaintext
// STATIC: "COLOR_DEPTH" "0..1"
|
|
|
|
// DYNAMIC: "ALPHACLIP" "0..1"
|
|
|
|
const float g_AlphaThreshold : register( c0 );
|
|
|
|
const float2 g_vNearFarPlanes : register( c1 );
|
|
#define g_flNearPlane g_vNearFarPlanes.x
|
|
#define g_flFarPlane g_vNearFarPlanes.y
|
|
|
|
struct PS_INPUT
|
|
{
|
|
#if ALPHACLIP
|
|
float2 texCoord0 : TEXCOORD0;
|
|
#endif
|
|
|
|
#if COLOR_DEPTH
|
|
float4 vWorldPos_projPosZ : TEXCOORD1;
|
|
#endif
|
|
};
|
|
|
|
sampler BaseTextureSampler : register( s0 );
|
|
|
|
float4 main( PS_INPUT i ) : COLOR
|
|
{
|
|
float4 color = float4( 1, 0, 0, 1 ); // opaque alpha....the color doesn't matter for this shader
|
|
|
|
#if ALPHACLIP
|
|
color = tex2D( BaseTextureSampler, i.texCoord0 );
|
|
|
|
clip( color.a - g_AlphaThreshold );
|
|
|
|
#endif
|
|
|
|
#if ( COLOR_DEPTH == 1 )
|
|
|
|
return float4( i.vWorldPos_projPosZ.w / g_flFarPlane, 0.0, 0.0, 1.0 );
|
|
|
|
#else
|
|
|
|
return color;
|
|
|
|
#endif
|
|
}
|