49 lines
1.7 KiB
GLSL
49 lines
1.7 KiB
GLSL
/**
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*
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* RenderPipeline
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*
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* Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
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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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*/
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#version 430
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in vec2 texcoord;
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out vec4 color;
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uniform sampler2D SceneTex;
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uniform vec2 mousePos;
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void main() {
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int border = 3;
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int zoom = 5;
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ivec2 int_coord = ivec2(texcoord * vec2(400, 300));
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if (int_coord.x < border || int_coord.y < border ||
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int_coord.x >= 400 - border || int_coord.y >= 300 - border) {
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color = vec4(0.05, 0.05, 0.05, 1);
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return;
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}
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int_coord = (int_coord) / zoom - (ivec2(200, 150)) / zoom + ivec2(mousePos);
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color = texelFetch(SceneTex, int_coord, 0);
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color.w = 1.0;
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}
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