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Direktori : /usr/lib/libreoffice/program/opengl/ |
Current File : //usr/lib/libreoffice/program/opengl/reflectionVertexShader.glsl |
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #version 130 attribute vec3 a_position; attribute vec3 a_normal; attribute vec2 a_texCoord; uniform mat4 u_projectionMatrix; uniform mat4 u_modelViewMatrix; uniform mat4 u_sceneTransformMatrix; uniform mat4 u_primitiveTransformMatrix; uniform mat4 u_operationsTransformMatrix; varying vec2 v_texturePosition; varying vec3 v_normal; varying float v_isShadow; #if __VERSION__ < 140 mat4 inverse(mat4 m) { float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2], a03 = m[0][3]; float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2], a13 = m[1][3]; float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2], a23 = m[2][3]; float a30 = m[3][0], a31 = m[3][1], a32 = m[3][2], a33 = m[3][3]; float b00 = a00 * a11 - a01 * a10; float b01 = a00 * a12 - a02 * a10; float b02 = a00 * a13 - a03 * a10; float b03 = a01 * a12 - a02 * a11; float b04 = a01 * a13 - a03 * a11; float b05 = a02 * a13 - a03 * a12; float b06 = a20 * a31 - a21 * a30; float b07 = a20 * a32 - a22 * a30; float b08 = a20 * a33 - a23 * a30; float b09 = a21 * a32 - a22 * a31; float b10 = a21 * a33 - a23 * a31; float b11 = a22 * a33 - a23 * a32; float det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06; return mat4( a11 * b11 - a12 * b10 + a13 * b09, a02 * b10 - a01 * b11 - a03 * b09, a31 * b05 - a32 * b04 + a33 * b03, a22 * b04 - a21 * b05 - a23 * b03, a12 * b08 - a10 * b11 - a13 * b07, a00 * b11 - a02 * b08 + a03 * b07, a32 * b02 - a30 * b05 - a33 * b01, a20 * b05 - a22 * b02 + a23 * b01, a10 * b10 - a11 * b08 + a13 * b06, a01 * b08 - a00 * b10 - a03 * b06, a30 * b04 - a31 * b02 + a33 * b00, a21 * b02 - a20 * b04 - a23 * b00, a11 * b07 - a10 * b09 - a12 * b06, a00 * b09 - a01 * b07 + a02 * b06, a31 * b01 - a30 * b03 - a32 * b00, a20 * b03 - a21 * b01 + a22 * b00) / det; } #endif void main( void ) { mat4 modelViewMatrix = u_modelViewMatrix * u_operationsTransformMatrix * u_sceneTransformMatrix * u_primitiveTransformMatrix; mat3 normalMatrix = mat3(transpose(inverse(modelViewMatrix))); gl_Position = u_projectionMatrix * modelViewMatrix * vec4(a_position, 1.0); v_texturePosition = a_texCoord; v_normal = normalize(normalMatrix * a_normal); v_isShadow = float(gl_VertexID >= 6); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */