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https://github.com/kmc-jp/n64-emu.git
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41 lines
1.5 KiB
GLSL
41 lines
1.5 KiB
GLSL
#version 450
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/* Copyright (c) 2020 Themaister
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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layout(location = 0) out vec2 vUV;
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layout(push_constant) uniform UBO
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{
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float y_offset;
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} registers;
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void main()
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{
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if (gl_VertexIndex == 0)
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gl_Position = vec4(-1.0, -1.0, 0.0, 1.0);
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else if (gl_VertexIndex == 1)
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gl_Position = vec4(-1.0, +3.0, 0.0, 1.0);
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else
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gl_Position = vec4(+3.0, -1.0, 0.0, 1.0);
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vUV = vec2(gl_Position.x * 0.5 + 0.5, gl_Position.y * 0.5 + 0.5 + registers.y_offset);
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}
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