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library / src / main / res / raw / blur_vertex_shader.glsl @ ad33f883

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//////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski                                                          //
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//                                                                                          //
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// This file is part of Distorted.                                                          //
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//                                                                                          //
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// Distorted is free software: you can redistribute it and/or modify                        //
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// it under the terms of the GNU General Public License as published by                     //
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// the Free Software Foundation, either version 2 of the License, or                        //
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// (at your option) any later version.                                                      //
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//                                                                                          //
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// Distorted is distributed in the hope that it will be useful,                             //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of                           //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                            //
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// GNU General Public License for more details.                                             //
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//                                                                                          //
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// You should have received a copy of the GNU General Public License                        // 
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// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                       //
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//////////////////////////////////////////////////////////////////////////////////////////////
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precision lowp float;
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uniform vec2 u_objD;             // object width X object height.
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uniform mat4 u_MVPMatrix;        // the combined model/view/projection matrix.
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attribute vec2 a_Position;       // Per-vertex position information we will pass in.
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attribute vec2 a_TexCoordinate;  // Per-vertex texture coordinate information we will pass in.
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varying   vec2 v_TexCoordinate;  //
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//////////////////////////////////////////////////////////////////////////////////////////////
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// empty 2D vertex shader for postprocessing
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void main()
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  {
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  v_TexCoordinate = a_TexCoordinate;
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  gl_Position     = u_MVPMatrix*vec4( u_objD*a_Position, 0.0, 1.0);
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  }
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