mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2025-01-07 09:43:40 +08:00
22 lines
473 B
Plaintext
22 lines
473 B
Plaintext
#define HDRTYPE HDR_TYPE_NONE
|
|
#include "common_ps_fxc.h"
|
|
|
|
sampler FilmGrainSampler : register( s0 );
|
|
|
|
const float4 vNoiseScale : register( c0 );
|
|
|
|
struct PS_INPUT
|
|
{
|
|
float2 grainTexCoord : TEXCOORD0;
|
|
};
|
|
|
|
HALF4 main( PS_INPUT i ) : COLOR
|
|
{
|
|
HALF4 noise = tex2D( FilmGrainSampler, i.grainTexCoord );
|
|
|
|
noise.w = noise.x*(1.0-vNoiseScale.w) + vNoiseScale.w;
|
|
noise.xyz *= vNoiseScale.xyz;
|
|
|
|
return HALF4( noise.x, noise.y, noise.z, noise.w );
|
|
}
|