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authorFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
committerFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
commit3bf9df6b2785fa6d951086978a3e66f49427166a (patch)
tree2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /materialsystem/stdshaders/filmgrain_ps20.fxc
downloadarchived-source-engine-2018-hl2-src-master.tar.xz
archived-source-engine-2018-hl2-src-master.zip
Diffstat (limited to 'materialsystem/stdshaders/filmgrain_ps20.fxc')
-rw-r--r--materialsystem/stdshaders/filmgrain_ps20.fxc21
1 files changed, 21 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/filmgrain_ps20.fxc b/materialsystem/stdshaders/filmgrain_ps20.fxc
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+#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;
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+ float4 noise = tex2D( FilmGrainSampler, i.grainTexCoord );
+
+ noise.w = noise.x*(1.0-vNoiseScale.w) + vNoiseScale.w;
+ noise.xyz *= vNoiseScale.xyz;
+
+ return float4( noise.x, noise.y, noise.z, noise.w );
+}