2 * This file is part of the sigrok project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #define GL_GLEXT_PROTOTYPES
25 #include "logicsignal.h"
32 LogicSignal::LogicSignal(QString name, boost::shared_ptr<SignalData> data,
35 _probe_index(probe_index)
37 assert(_probe_index >= 0);
40 void LogicSignal::paint(QGLWidget &widget, const QRect &rect,
41 uint64_t scale, int64_t offset)
46 LogicVertex vetices[3];
47 vetices[0].x = rect.left();
48 vetices[0].y = rect.top();
49 vetices[1].x = rect.right();
50 vetices[1].y = rect.bottom();
51 vetices[2].x = rect.right();
52 vetices[2].y = rect.top();
54 glGenBuffers(1, &vbo_id);
55 glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
57 glBufferData(GL_ARRAY_BUFFER, sizeof(vetices), NULL, GL_STATIC_DRAW);
58 glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vetices), vetices);
60 glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
62 glVertexPointer(2, GL_FLOAT, sizeof(LogicVertex), 0);
64 glEnableClientState(GL_VERTEX_ARRAY);
65 glDrawArrays(GL_LINE_STRIP, 0, 2);
66 glDisableClientState(GL_VERTEX_ARRAY);