mirror of
https://bitbucket.org/CPMADevs/cnq3
synced 2025-02-19 10:21:47 +00:00
49 lines
1.5 KiB
HLSL
49 lines
1.5 KiB
HLSL
/*
|
|
===========================================================================
|
|
Copyright (C) 2024 Gian 'myT' Schellenbaum
|
|
|
|
This file is part of Challenge Quake 3 (CNQ3).
|
|
|
|
Challenge Quake 3 is free software; you can redistribute it
|
|
and/or modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
Challenge Quake 3 is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Challenge Quake 3. If not, see <https://www.gnu.org/licenses/>.
|
|
===========================================================================
|
|
*/
|
|
// volumetric lighting: normalize the Henyey-Greenstein anisotropy factor g
|
|
|
|
|
|
#include "common.hlsli"
|
|
|
|
|
|
cbuffer RootConstants
|
|
{
|
|
uint materialTextureBIndex;
|
|
uint materialTextureCIndex;
|
|
}
|
|
|
|
[numthreads(4, 4, 4)]
|
|
void cs(uint3 id : SV_DispatchThreadID)
|
|
{
|
|
RWTexture3D<float4> materialTextureB = ResourceDescriptorHeap[materialTextureBIndex];
|
|
uint3 textureSize = GetTextureSize(materialTextureB);
|
|
if(any(id >= textureSize))
|
|
{
|
|
return;
|
|
}
|
|
|
|
RWTexture3D<float> materialTextureC = ResourceDescriptorHeap[materialTextureCIndex];
|
|
float weightSum = materialTextureC[id];
|
|
if(weightSum > 0.0)
|
|
{
|
|
materialTextureB[id].a /= weightSum;
|
|
}
|
|
}
|