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47 lines
1.7 KiB
GLSL
47 lines
1.7 KiB
GLSL
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2020-2023 Baldur Karlsson
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*
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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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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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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
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* THE SOFTWARE.
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******************************************************************************/
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layout(location = 0) out vec4 uvwa;
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layout(push_constant) uniform PushData
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{
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vec4 uvwa;
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vec4 ddx;
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vec4 ddy;
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}
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push;
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void main(void)
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{
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const vec4 verts[3] = vec4[3](vec4(-0.75, -0.75, 0.5, 1.0), vec4(1.25, -0.75, 0.5, 1.0),
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vec4(-0.75, 1.25, 0.5, 1.0));
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gl_Position = verts[gl_VertexIndex];
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uvwa = push.uvwa;
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if(gl_VertexIndex == 1)
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uvwa.xyz += push.ddx.xyz;
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else if(gl_VertexIndex == 2)
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uvwa.xyz += push.ddy.xyz;
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}
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