mirror of https://bitbucket.org/CPMADevs/cnq3
47 lines
1.4 KiB
HLSL
47 lines
1.4 KiB
HLSL
/*
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===========================================================================
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Copyright (C) 2023 Gian 'myT' Schellenbaum
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This file is part of Challenge Quake 3 (CNQ3).
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Challenge Quake 3 is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Challenge Quake 3 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Challenge Quake 3. If not, see <https://www.gnu.org/licenses/>.
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===========================================================================
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*/
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// mip-map generation: 8-tap 1D filter
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#include "../common/mip_gen.hlsli"
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cbuffer RootConstants
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{
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float4 weights;
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int2 maxSize;
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int2 scale;
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int2 offset;
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uint clampMode; // 0 = repeat
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uint srcMip;
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uint dstMip;
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uint srcTexture;
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uint dstTexture;
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}
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[numthreads(8, 8, 1)]
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void cs(uint3 id : SV_DispatchThreadID)
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{
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RWTexture2D<float4> src = ResourceDescriptorHeap[srcTexture];
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RWTexture2D<float4> dst = ResourceDescriptorHeap[dstTexture];
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MipGen_DownSample(dst, src, id, maxSize, clampMode, scale, offset, weights);
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}
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