mirror of
https://github.com/Patoke/4JLibs.git
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48 lines
1.7 KiB
HLSL
48 lines
1.7 KiB
HLSL
/*
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MIT License
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Copyright (c) 2026 Patoke
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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cbuffer screenspace_constants : register(b9)
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{
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float4 v_scaleoffset;
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};
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void VS_ScreenSpace(uint vertex_id : SV_VertexID, out float4 position : SV_POSITION, out float2 texcoord : TEXCOORD0)
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{
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float2 corner = float2(
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(vertex_id << 1) & 2,
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vertex_id & 2
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);
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position = float4(corner * float2(2, -2) + float2(-1, 1), 1, 1);
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texcoord = corner * 0.5 * v_scaleoffset.zw + v_scaleoffset.xy;
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}
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void VS_ScreenClear(uint vertex_id : SV_VertexID, out float4 position : SV_POSITION)
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{
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float2 corner = float2(
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(vertex_id << 1) & 2,
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vertex_id & 2
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);
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position = float4(corner * float2(2, -2) + float2(-1, 1), 1, 1);
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} |