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/*
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This file is part of Magnum.
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all 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
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THE 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
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#if (!defined(GL_ES) && __VERSION__ >= 130) || (defined(GL_ES) && __VERSION__ >= 300)
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#define NEW_GLSL
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#endif
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/* On NVidia and GLSL 1.20 layout qualifiers result in parsing error, even if
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the extension is defined as supported */
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#if !defined(GL_ES) && __VERSION__ >= 130
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#ifdef GL_ARB_explicit_attrib_location
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#extension GL_ARB_explicit_attrib_location: enable
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#define EXPLICIT_ATTRIB_LOCATION
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#endif
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#if defined(GL_ARB_shading_language_420pack)
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#extension GL_ARB_shading_language_420pack: enable
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#define EXPLICIT_TEXTURE_LAYER
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#endif
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#ifdef GL_ARB_explicit_uniform_location
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#extension GL_ARB_explicit_uniform_location: enable
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#define EXPLICIT_UNIFORM_LOCATION
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#endif
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#endif
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#if defined(GL_ES) && __VERSION__ >= 300
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#define EXPLICIT_ATTRIB_LOCATION
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/* EXPLICIT_TEXTURE_LAYER & EXPLICIT_UNIFORM_LOCATION is not available in OpenGL ES */
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#endif
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/* Precision qualifiers are not supported in GLSL 1.20 */
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#if !defined(GL_ES) && __VERSION__ == 120
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#define highp
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#define mediump
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#define lowp
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#endif
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