| /* |
| * Vertex position data describing the old Silicon Graphics logo |
| * |
| * (c) Copyright 1993, Silicon Graphics, Inc. |
| * Copyright © 2012 Linaro Limited |
| * |
| * This file is part of the glmark2 OpenGL (ES) 2.0 benchmark. |
| * |
| * glmark2 is free software: you can redistribute it and/or modify it under the |
| * terms of the GNU General Public License as published by the Free Software |
| * Foundation, either version 3 of the License, or (at your option) any later |
| * version. |
| * |
| * glmark2 is distributed in the hope that it will be useful, but WITHOUT ANY |
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
| * details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * glmark2. If not, see <http://www.gnu.org/licenses/>. |
| * |
| * Authors: |
| * Jesse Barker |
| */ |
| #include "logo.h" |
| #include "options.h" |
| #include "scene.h" |
| #include "shader-source.h" |
| #include "log.h" |
| |
| using std::string; |
| using LibMatrix::vec3; |
| using LibMatrix::uvec3; |
| using LibMatrix::vec4; |
| using LibMatrix::Stack4; |
| using LibMatrix::mat4; |
| |
| const unsigned int SGILogo::textureResolution_(32); |
| const string SGILogo::modelviewName_("modelview"); |
| const string SGILogo::projectionName_("projection"); |
| const string SGILogo::lightPositionName_("light0Position"); |
| const string SGILogo::logoColorName_("logoColor"); |
| const string SGILogo::vertexAttribName_("vertex"); |
| const string SGILogo::normalAttribName_("normal"); |
| const string SGILogo::normalMatrixName_("normalMatrix"); |
| |
| SGILogo::SGILogo(void) : |
| normalNormalIndex_(0), |
| normalVertexIndex_(0), |
| flatVertexIndex_(0), |
| shadowVertexIndex_(0), |
| vertexIndex_(0), |
| valid_(false), |
| drawStyle_(LOGO_NORMAL) |
| { |
| // Single cylinder data... |
| singleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(0.707107, 0.707107, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(0.000000, 1.000000, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(-0.707107, 0.707107, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(-1.000000, 0.000000, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(-0.707107, -0.707107, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(0.000000, -1.000000, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(0.707107, -0.707107, 5.000000)); |
| singleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| singleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 5.000000)); |
| |
| singleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| singleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| |
| // Double cylinder data... |
| doubleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.707107, 0.707107, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.000000, 1.000000, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(-0.707107, 0.707107, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(-1.000000, 0.000000, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(-0.707107, -0.707107, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.000000, -1.000000, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(0.707107, -0.707107, 7.000000)); |
| doubleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| doubleCylinderVertices_.push_back(vec3(1.000000, 0.000000, 7.000000)); |
| |
| doubleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| doubleCylinderNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| |
| // Elbow data... |
| elbowVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| elbowVertices_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| elbowVertices_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| elbowVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(1.000000, 0.034074, 0.258819)); |
| elbowVertices_.push_back(vec3(0.707107, 0.717087, 0.075806)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.717087, 0.075806)); |
| elbowVertices_.push_back(vec3(-1.000000, 0.034074, 0.258819)); |
| elbowVertices_.push_back(vec3(-0.707107, -0.648939, 0.441832)); |
| elbowVertices_.push_back(vec3(0.000000, -0.931852, 0.517638)); |
| elbowVertices_.push_back(vec3(0.707107, -0.648939, 0.441832)); |
| elbowVertices_.push_back(vec3(1.000000, 0.034074, 0.258819)); |
| elbowVertices_.push_back(vec3(1.000000, 0.133975, 0.500000)); |
| elbowVertices_.push_back(vec3(0.707107, 0.746347, 0.146447)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.746347, 0.146447)); |
| elbowVertices_.push_back(vec3(-1.000000, 0.133975, 0.500000)); |
| elbowVertices_.push_back(vec3(-0.707107, -0.478398, 0.853553)); |
| elbowVertices_.push_back(vec3(0.000000, -0.732051, 1.000000)); |
| elbowVertices_.push_back(vec3(0.707107, -0.478398, 0.853553)); |
| elbowVertices_.push_back(vec3(1.000000, 0.133975, 0.500000)); |
| elbowVertices_.push_back(vec3(1.000000, 0.292893, 0.707107)); |
| elbowVertices_.push_back(vec3(0.707107, 0.792893, 0.207107)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.792893, 0.207107)); |
| elbowVertices_.push_back(vec3(-1.000000, 0.292893, 0.707107)); |
| elbowVertices_.push_back(vec3(-0.707107, -0.207107, 1.207107)); |
| elbowVertices_.push_back(vec3(0.000000, -0.414214, 1.414214)); |
| elbowVertices_.push_back(vec3(0.707107, -0.207107, 1.207107)); |
| elbowVertices_.push_back(vec3(1.000000, 0.292893, 0.707107)); |
| elbowVertices_.push_back(vec3(1.000000, 0.500000, 0.866025)); |
| elbowVertices_.push_back(vec3(0.707107, 0.853553, 0.253653)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.853553, 0.253653)); |
| elbowVertices_.push_back(vec3(-1.000000, 0.500000, 0.866025)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.146447, 1.478398)); |
| elbowVertices_.push_back(vec3(0.000000, 0.000000, 1.732051)); |
| elbowVertices_.push_back(vec3(0.707107, 0.146447, 1.478398)); |
| elbowVertices_.push_back(vec3(1.000000, 0.500000, 0.866025)); |
| elbowVertices_.push_back(vec3(1.000000, 0.741181, 0.965926)); |
| elbowVertices_.push_back(vec3(0.707107, 0.924194, 0.282913)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.924194, 0.282913)); |
| elbowVertices_.push_back(vec3(-1.000000, 0.741181, 0.965926)); |
| elbowVertices_.push_back(vec3(-0.707107, 0.558168, 1.648939)); |
| elbowVertices_.push_back(vec3(0.000000, 0.482362, 1.931852)); |
| elbowVertices_.push_back(vec3(0.707107, 0.558168, 1.648939)); |
| elbowVertices_.push_back(vec3(1.000000, 0.741181, 0.965926)); |
| elbowVertices_.push_back(vec3(1.000000, 1.000000, 1.000000)); |
| elbowVertices_.push_back(vec3(0.707107, 1.000000, 0.292893)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 1.000000, 0.292893)); |
| elbowVertices_.push_back(vec3(-1.000000, 1.000000, 1.000000)); |
| elbowVertices_.push_back(vec3(-0.707107, 1.000000, 1.707107)); |
| elbowVertices_.push_back(vec3(0.000000, 1.000000, 2.000000)); |
| elbowVertices_.push_back(vec3(0.707107, 1.000000, 1.707107)); |
| elbowVertices_.push_back(vec3(1.000000, 1.000000, 1.000000)); |
| |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| elbowNormals_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| elbowNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| elbowNormals_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.683013, -0.183013)); |
| elbowNormals_.push_back(vec3(0.000000, 0.965926, -0.258819)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.683013, -0.183013)); |
| elbowNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, -0.683013, 0.183013)); |
| elbowNormals_.push_back(vec3(0.000000, -0.965926, 0.258819)); |
| elbowNormals_.push_back(vec3(0.707107, -0.683013, 0.183013)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.612372, -0.353553)); |
| elbowNormals_.push_back(vec3(0.000000, 0.866025, -0.500000)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.612372, -0.353553)); |
| elbowNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, -0.612372, 0.353553)); |
| elbowNormals_.push_back(vec3(0.000000, -0.866025, 0.500000)); |
| elbowNormals_.push_back(vec3(0.707107, -0.612372, 0.353553)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.500000, -0.500000)); |
| elbowNormals_.push_back(vec3(0.000000, 0.707107, -0.707107)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.500000, -0.500000)); |
| elbowNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, -0.500000, 0.500000)); |
| elbowNormals_.push_back(vec3(0.000000, -0.707107, 0.707107)); |
| elbowNormals_.push_back(vec3(0.707107, -0.500000, 0.500000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.353553, -0.612372)); |
| elbowNormals_.push_back(vec3(0.000000, 0.500000, -0.866025)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.353553, -0.612372)); |
| elbowNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, -0.353553, 0.612372)); |
| elbowNormals_.push_back(vec3(0.000000, -0.500000, 0.866025)); |
| elbowNormals_.push_back(vec3(0.707107, -0.353553, 0.612372)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.183013, -0.683013)); |
| elbowNormals_.push_back(vec3(0.000000, 0.258819, -0.965926)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.183013, -0.683013)); |
| elbowNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, -0.183013, 0.683013)); |
| elbowNormals_.push_back(vec3(0.000000, -0.258819, 0.965926)); |
| elbowNormals_.push_back(vec3(0.707107, -0.183013, 0.683013)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.000000, -0.707107)); |
| elbowNormals_.push_back(vec3(0.000000, 0.000000, -1.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.000000, -0.707107)); |
| elbowNormals_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowNormals_.push_back(vec3(-0.707107, 0.000000, 0.707107)); |
| elbowNormals_.push_back(vec3(0.000000, 0.000000, 1.000000)); |
| elbowNormals_.push_back(vec3(0.707107, 0.000000, 0.707107)); |
| elbowNormals_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.707107, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.707107, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, -0.707107, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(0.000000, -1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(0.707107, -0.707107, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.019215, 0.195090)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.712735, 0.057141)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.712735, 0.057141)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.019215, 0.195090)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, -0.674305, 0.333040)); |
| elbowShadowVertices_.push_back(vec3(0.000000, -0.961571, 0.390181)); |
| elbowShadowVertices_.push_back(vec3(0.707107, -0.674305, 0.333040)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.019215, 0.195090)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.076120, 0.382683)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.729402, 0.112085)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.729402, 0.112085)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.076120, 0.382683)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, -0.577161, 0.653282)); |
| elbowShadowVertices_.push_back(vec3(0.000000, -0.847759, 0.765367)); |
| elbowShadowVertices_.push_back(vec3(0.707107, -0.577161, 0.653282)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.076120, 0.382683)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.168530, 0.555570)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.756468, 0.162723)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.756468, 0.162723)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.168530, 0.555570)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, -0.419407, 0.948418)); |
| elbowShadowVertices_.push_back(vec3(0.000000, -0.662939, 1.111140)); |
| elbowShadowVertices_.push_back(vec3(0.707107, -0.419407, 0.948418)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.168530, 0.555570)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.292893, 0.707107)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.792893, 0.207107)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.792893, 0.207107)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.292893, 0.707107)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, -0.207107, 1.207107)); |
| elbowShadowVertices_.push_back(vec3(0.000000, -0.414214, 1.414214)); |
| elbowShadowVertices_.push_back(vec3(0.707107, -0.207107, 1.207107)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.292893, 0.707107)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.444430, 0.831470)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.837277, 0.243532)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.837277, 0.243532)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.444430, 0.831470)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.051582, 1.419407)); |
| elbowShadowVertices_.push_back(vec3(0.000000, -0.111140, 1.662939)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.051582, 1.419407)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.444430, 0.831470)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.617317, 0.923880)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.887915, 0.270598)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.887915, 0.270598)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.617317, 0.923880)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.346719, 1.577161)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 0.234633, 1.847759)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.346719, 1.577161)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.617317, 0.923880)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.804910, 0.980785)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.942859, 0.287265)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.942859, 0.287265)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 0.804910, 0.980785)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 0.666960, 1.674305)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 0.609819, 1.961571)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 0.666960, 1.674305)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 0.804910, 0.980785)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 1.000000, 1.000000)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 1.000000, 0.292893)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 0.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 1.000000, 0.292893)); |
| elbowShadowVertices_.push_back(vec3(-1.000000, 1.000000, 1.000000)); |
| elbowShadowVertices_.push_back(vec3(-0.707107, 1.000000, 1.707107)); |
| elbowShadowVertices_.push_back(vec3(0.000000, 1.000000, 2.000000)); |
| elbowShadowVertices_.push_back(vec3(0.707107, 1.000000, 1.707107)); |
| elbowShadowVertices_.push_back(vec3(1.000000, 1.000000, 1.000000)); |
| |
| // Now that we've setup the vertex data, we can setup the map of how |
| // that data will be laid out in the buffer object. |
| static const unsigned int sv3(sizeof(vec3)); |
| dataMap_.scvOffset = 0; |
| dataMap_.scvSize = singleCylinderVertices_.size() * sv3; |
| dataMap_.totalSize = dataMap_.scvSize; |
| dataMap_.scnOffset = dataMap_.scvOffset + dataMap_.scvSize; |
| dataMap_.scnSize = singleCylinderNormals_.size() * sv3; |
| dataMap_.totalSize += dataMap_.scnSize; |
| dataMap_.dcvOffset = dataMap_.scnOffset + dataMap_.scnSize; |
| dataMap_.dcvSize = doubleCylinderVertices_.size() * sv3; |
| dataMap_.totalSize += dataMap_.dcvSize; |
| dataMap_.dcnOffset = dataMap_.dcvOffset + dataMap_.dcvSize; |
| dataMap_.dcnSize = doubleCylinderNormals_.size() * sv3; |
| dataMap_.totalSize += dataMap_.dcnSize; |
| dataMap_.evOffset = dataMap_.dcnOffset + dataMap_.dcnSize; |
| dataMap_.evSize = elbowVertices_.size() * sv3; |
| dataMap_.totalSize += dataMap_.evSize; |
| dataMap_.enOffset = dataMap_.evOffset + dataMap_.evSize; |
| dataMap_.enSize = elbowNormals_.size() * sv3; |
| dataMap_.totalSize += dataMap_.enSize; |
| dataMap_.esvOffset = dataMap_.enOffset + dataMap_.enSize; |
| dataMap_.esvSize = elbowShadowVertices_.size() * sv3; |
| dataMap_.totalSize += dataMap_.esvSize; |
| |
| // |
| // The original implementation of both the logo and the lamp represented |
| // the vertex and normal data in a triply-dimensioned array of floats and |
| // all of the calls referenced double-indexed arrays of vector data. |
| // To my mind, this made the code look clunky and overly verbose. |
| // Representing the data as a STL vector of vec3 (itself a 3-float vector |
| // quantity) provides both an efficient container and allows for more |
| // concise looking code. The slightly goofy loops (using the original 2 |
| // dimensional indices to compute a single offset into the STL vector) are |
| // a compromise to avoid rearranging the original data. |
| // |
| // - jesse 2010/10/04 |
| // |
| for (unsigned int i = 0; i < 8; i++) |
| { |
| for (unsigned int j = 0; j < 9; j++) |
| { |
| unsigned int index1(i * 9 + j); |
| unsigned int index2((i + 1) * 9 + j); |
| indexData_.push_back(index1); |
| indexData_.push_back(index2); |
| } |
| } |
| |
| // Initialize the stipple pattern |
| static const unsigned int patterns[] = { 0xaaaaaaaa, 0x55555555 }; |
| for (unsigned int i = 0; i < textureResolution_; i++) |
| { |
| for (unsigned int j = 0; j < textureResolution_; j++) |
| { |
| // Alternate the pattern every other line. |
| unsigned int curMask(1 << j); |
| unsigned int curPattern(patterns[i % 2]); |
| textureImage_[i][j] = ((curPattern & curMask) >> j) * 255; |
| } |
| } |
| } |
| |
| SGILogo::~SGILogo() |
| { |
| if (valid_) |
| { |
| glDeleteBuffers(2, &bufferObjects_[0]); |
| } |
| } |
| |
| void |
| SGILogo::init() |
| { |
| // Make sure we don't re-initialize... |
| if (valid_) |
| { |
| return; |
| } |
| |
| // Initialize shader sources from input files and create programs from them |
| // The program for handling the main object with lighting... |
| string logo_vtx_filename(Options::data_path + "/shaders/ideas-logo.vert"); |
| string logo_frg_filename(Options::data_path + "/shaders/ideas-logo.frag"); |
| ShaderSource logo_vtx_source(logo_vtx_filename); |
| ShaderSource logo_frg_source(logo_frg_filename); |
| if (!Scene::load_shaders_from_strings(normalProgram_, logo_vtx_source.str(), |
| logo_frg_source.str())) |
| { |
| Log::error("No valid program for normal logo rendering\n"); |
| return; |
| } |
| normalVertexIndex_ = normalProgram_[vertexAttribName_].location(); |
| normalNormalIndex_ = normalProgram_[normalAttribName_].location(); |
| |
| // The program for handling the flat object... |
| string logo_flat_vtx_filename(Options::data_path + "/shaders/ideas-logo-flat.vert"); |
| string logo_flat_frg_filename(Options::data_path + "/shaders/ideas-logo-flat.frag"); |
| ShaderSource logo_flat_vtx_source(logo_flat_vtx_filename); |
| ShaderSource logo_flat_frg_source(logo_flat_frg_filename); |
| if (!Scene::load_shaders_from_strings(flatProgram_, logo_flat_vtx_source.str(), |
| logo_flat_frg_source.str())) |
| { |
| Log::error("No valid program for flat logo rendering\n"); |
| return; |
| } |
| flatVertexIndex_ = flatProgram_[vertexAttribName_].location(); |
| |
| // The program for handling the shadow object with texturing... |
| string logo_shadow_vtx_filename(Options::data_path + "/shaders/ideas-logo-shadow.vert"); |
| string logo_shadow_frg_filename(Options::data_path + "/shaders/ideas-logo-shadow.frag"); |
| ShaderSource logo_shadow_vtx_source(logo_shadow_vtx_filename); |
| ShaderSource logo_shadow_frg_source(logo_shadow_frg_filename); |
| if (!Scene::load_shaders_from_strings(shadowProgram_, logo_shadow_vtx_source.str(), |
| logo_shadow_frg_source.str())) |
| { |
| Log::error("No valid program for shadow logo rendering\n"); |
| return; |
| } |
| shadowVertexIndex_ = shadowProgram_[vertexAttribName_].location(); |
| |
| // We need 2 buffers for our work here. One for the vertex data. |
| // and one for the index data. |
| glGenBuffers(2, &bufferObjects_[0]); |
| |
| // First, setup the vertex data by binding the first buffer object, |
| // allocating its data store, and filling it in with our vertex data. |
| glBindBuffer(GL_ARRAY_BUFFER, bufferObjects_[0]); |
| glBufferData(GL_ARRAY_BUFFER, dataMap_.totalSize, 0, GL_STATIC_DRAW); |
| glBufferSubData(GL_ARRAY_BUFFER, dataMap_.scvOffset, dataMap_.scvSize, |
| &singleCylinderVertices_.front()); |
| glBufferSubData(GL_ARRAY_BUFFER, dataMap_.scnOffset, dataMap_.scnSize, |
| &singleCylinderNormals_.front()); |
| glBufferSubData(GL_ARRAY_BUFFER, dataMap_.dcvOffset, dataMap_.dcvSize, |
| &doubleCylinderVertices_.front()); |
| glBufferSubData(GL_ARRAY_BUFFER, dataMap_.dcnOffset, dataMap_.dcnSize, |
| &doubleCylinderNormals_.front()); |
| glBufferSubData(GL_ARRAY_BUFFER, dataMap_.evOffset, dataMap_.evSize, |
| &elbowVertices_.front()); |
| glBufferSubData(GL_ARRAY_BUFFER, dataMap_.enOffset, dataMap_.enSize, |
| &elbowNormals_.front()); |
| glBufferSubData(GL_ARRAY_BUFFER, dataMap_.esvOffset, dataMap_.esvSize, |
| &elbowShadowVertices_.front()); |
| |
| // Now repeat for our index data. |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferObjects_[1]); |
| glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexData_.size() * sizeof(unsigned short), |
| &indexData_.front(), GL_STATIC_DRAW); |
| |
| // Setup our the texture that the shadow program will use... |
| glGenTextures(1, &textureName_); |
| glBindTexture(GL_TEXTURE_2D, textureName_); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, |
| textureResolution_, textureResolution_, |
| 0, GL_ALPHA, GL_UNSIGNED_BYTE, textureImage_); |
| |
| // We're ready to go. |
| valid_ = true; |
| } |
| |
| void |
| SGILogo::bendForward(Stack4& ms) |
| { |
| ms.translate(0.0, 1.0, 0.0); |
| ms.rotate(90.0, 1.0, 0.0, 0.0); |
| ms.translate(0.0, -1.0, 0.0); |
| } |
| |
| void |
| SGILogo::bendLeft(Stack4& ms) |
| { |
| ms.rotate(-90.0, 0.0, 0.0, 1.0); |
| ms.translate(0.0, 1.0, 0.0); |
| ms.rotate(90.0, 1.0, 0.0, 0.0); |
| ms.translate(0.0, -1.0, 0.0); |
| } |
| |
| void |
| SGILogo::bendRight(Stack4& ms) |
| { |
| ms.rotate(90.0, 0.0, 0.0, 1.0); |
| ms.translate(0.0, 1.0, 0.0); |
| ms.rotate(90.0, 1.0, 0.0, 0.0); |
| ms.translate(0.0, -1.0, 0.0); |
| } |
| |
| void |
| SGILogo::drawDoubleCylinder(void) |
| { |
| glVertexAttribPointer(vertexIndex_, 3, GL_FLOAT, GL_FALSE, 0, |
| reinterpret_cast<const GLvoid*>(dataMap_.dcvOffset)); |
| if (drawStyle_ == LOGO_NORMAL) |
| { |
| glVertexAttribPointer(normalNormalIndex_, 3, GL_FLOAT, GL_FALSE, 0, |
| reinterpret_cast<const GLvoid*>(dataMap_.dcnOffset)); |
| } |
| glDrawArrays(GL_TRIANGLE_STRIP, 0, 18); |
| } |
| |
| void |
| SGILogo::drawSingleCylinder(void) |
| { |
| glVertexAttribPointer(vertexIndex_, 3, GL_FLOAT, GL_FALSE, 0, |
| reinterpret_cast<const GLvoid*>(dataMap_.scvOffset)); |
| if (drawStyle_ == LOGO_NORMAL) |
| { |
| glVertexAttribPointer(normalNormalIndex_, 3, GL_FLOAT, GL_FALSE, 0, |
| reinterpret_cast<const GLvoid*>(dataMap_.scnOffset)); |
| } |
| glDrawArrays(GL_TRIANGLE_STRIP, 0, 18); |
| } |
| |
| void |
| SGILogo::drawElbow(void) |
| { |
| unsigned int startIdx(0); |
| unsigned int endIdx(6); |
| if (drawStyle_ == LOGO_NORMAL) |
| { |
| glVertexAttribPointer(vertexIndex_, 3, GL_FLOAT, GL_FALSE, 0, |
| reinterpret_cast<const GLvoid*>(dataMap_.evOffset)); |
| glVertexAttribPointer(normalNormalIndex_, 3, GL_FLOAT, GL_FALSE, 0, |
| reinterpret_cast<const GLvoid*>(dataMap_.enOffset)); |
| } |
| else |
| { |
| endIdx = 8; |
| glVertexAttribPointer(vertexIndex_, 3, GL_FLOAT, GL_FALSE, 0, |
| reinterpret_cast<const GLvoid*>(dataMap_.esvOffset)); |
| } |
| |
| for (unsigned int i = startIdx; i < endIdx; i++) |
| { |
| unsigned int curOffset(i * 18 * sizeof(unsigned short)); |
| glDrawElements(GL_TRIANGLE_STRIP, 18, GL_UNSIGNED_SHORT, |
| reinterpret_cast<const GLvoid*>(curOffset)); |
| } |
| } |
| |
| // Generate a normal matrix from a modelview matrix |
| // |
| // Since we can't universally handle the normal matrix inside the |
| // vertex shader (inverse() and transpose() built-ins not supported by |
| // GLSL ES, for example), we'll generate it here, and load it as a |
| // uniform. |
| void |
| SGILogo::updateXform(const mat4& mv, Program& program) |
| { |
| if (drawStyle_ == LOGO_NORMAL) |
| { |
| LibMatrix::mat3 normalMatrix(mv[0][0], mv[1][0], mv[2][0], |
| mv[0][1], mv[1][1], mv[2][1], |
| mv[0][2], mv[1][2], mv[2][2]); |
| normalMatrix.transpose().inverse(); |
| program[normalMatrixName_] = normalMatrix; |
| } |
| program[modelviewName_] = mv; |
| } |
| |
| Program& |
| SGILogo::getProgram() |
| { |
| switch (drawStyle_) |
| { |
| case LOGO_NORMAL: |
| return normalProgram_; |
| break; |
| case LOGO_FLAT: |
| return flatProgram_; |
| break; |
| case LOGO_SHADOW: |
| return shadowProgram_; |
| break; |
| } |
| |
| return normalProgram_; |
| } |
| |
| void |
| SGILogo::draw(Stack4& modelview, |
| Stack4& projection, |
| const vec4& lightPosition, |
| DrawStyle style, |
| const uvec3& currentColor) |
| { |
| if (!valid_) |
| { |
| return; |
| } |
| |
| glBindBuffer(GL_ARRAY_BUFFER, bufferObjects_[0]); |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferObjects_[1]); |
| |
| // Setup the program to use based upon draw style and set it running. |
| drawStyle_ = style; |
| vec4 logoColor(currentColor.x() / 255.0, currentColor.y() / 255.0, currentColor.z() / 255.0, 1.0); |
| Program& curProgram = getProgram(); |
| curProgram.start(); |
| switch (drawStyle_) |
| { |
| case LOGO_NORMAL: |
| curProgram[lightPositionName_] = lightPosition; |
| vertexIndex_ = normalVertexIndex_; |
| glEnableVertexAttribArray(normalNormalIndex_); |
| break; |
| case LOGO_FLAT: |
| curProgram[logoColorName_] = logoColor; |
| vertexIndex_ = flatVertexIndex_; |
| break; |
| case LOGO_SHADOW: |
| vertexIndex_ = shadowVertexIndex_; |
| break; |
| } |
| |
| glEnableVertexAttribArray(vertexIndex_); |
| curProgram[projectionName_] = projection.getCurrent(); |
| modelview.translate(5.500000, -3.500000, 4.500000); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -5.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawSingleCylinder(); |
| bendRight(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -5.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawSingleCylinder(); |
| bendLeft(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -5.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawSingleCylinder(); |
| bendRight(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -5.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawSingleCylinder(); |
| bendLeft(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -5.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawSingleCylinder(); |
| bendRight(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -7.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawDoubleCylinder(); |
| bendForward(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| modelview.translate(0.0, 0.0, -5.000000); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawSingleCylinder(); |
| bendLeft(modelview); |
| updateXform(modelview.getCurrent(), curProgram); |
| drawElbow(); |
| glDisableVertexAttribArray(vertexIndex_); |
| switch (drawStyle_) |
| { |
| case LOGO_NORMAL: |
| glDisableVertexAttribArray(normalNormalIndex_); |
| break; |
| case LOGO_FLAT: |
| break; |
| case LOGO_SHADOW: |
| break; |
| } |
| curProgram.stop(); |
| |
| glBindBuffer(GL_ARRAY_BUFFER, 0); |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); |
| } |
