cnq3/code/renderer/hlsl/mip_1.hlsl
myT 3b6a3a5019 added D3D12 rendering and removed D3D11, GL2, GL3
don't track .user files except for cnq3 and cnq3-server

disabled FPS hack

disabled FPS hack, part 2
2023-11-12 01:32:58 +01:00

45 lines
1.3 KiB
HLSL

/*
===========================================================================
Copyright (C) 2023 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/>.
===========================================================================
*/
// mip-map generation: gamma-space to linear-space transform
cbuffer RootConstants
{
float gamma;
}
RWTexture2D<float4> src : register(u2);
RWTexture2D<float4> dst : register(u0);
[numthreads(8, 8, 1)]
void cs(uint3 id : SV_DispatchThreadID)
{
// @TODO: is this actually required?
uint w, h;
dst.GetDimensions(w, h);
if(any(id.xy >= uint2(w, h)))
{
return;
}
float4 v = src[id.xy];
dst[id.xy] = float4(pow(v.xyz, gamma), v.a);
}