OZ++ Class: OpenGLVisualBuffer |
/****************************************************************************** * * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * OpenGLVisualBuffer.h * *****************************************************************************/ #pragma once //2015/04/15 Modified classname #include <oz++/opengl/OpenGLObject.h> #include <oz++/Pair.h> namespace OZ { const int OpenGL_SINGLE_BUFFER = 1; const int OpenGL_DOUBLE_BUFFER = 2; const char* XmNopenGLBufferDepth = "openglBufferDepth"; const char* XmNopenGLBufferType = "openglBufferType"; class OpenGLVisualBuffer :public OpenGLObject { private: static const int ATTR_MAX = 50; private: Pair<int, int> attributes[ATTR_MAX]; int count; public: OpenGLVisualBuffer() :OpenGLObject() { clear(); } public: void clear() { count = 0; for(int i = 0; i < ATTR_MAX; i++) { attributes[i].first = None; attributes[i].second = None; } } public: void set(int id, int value) { if (count <ATTR_MAX) { attributes[count].first = id; attributes[count].second = value; count++; } } public: int* getAttributes() { return (int*)attributes; } public: int* singleBuffer(int bitsPerColor, int bitDepth) { // Attributes for a single buffered visual in RGBA format set(GLX_RGBA, True); // set(GLX_DOUBLEBUFFER, False); 2015/04/13 set(GLX_RED_SIZE, bitsPerColor); set(GLX_GREEN_SIZE, bitsPerColor); set(GLX_BLUE_SIZE, bitsPerColor); set(GLX_DEPTH_SIZE, bitDepth); set(None, None); return (int*)attributes; } int* singleBufferDepth16() { return singleBuffer(4, 16); } int* singleBufferDepth24() { return singleBuffer(8, 24); } int* doubleBuffer(int bitsPerColor, int bitDepth) { // Attributes for a double buffered visual in RGBA format set(GLX_RGBA, True); set(GLX_DOUBLEBUFFER, True); set(GLX_RED_SIZE, bitsPerColor); set(GLX_GREEN_SIZE, bitsPerColor); set(GLX_BLUE_SIZE, bitsPerColor); set(GLX_DEPTH_SIZE, bitDepth); set(None, None); return (int*)attributes; } int* doubleBufferDepth16() { return doubleBuffer(4, 16); } int* doubleBufferDepth24() { return doubleBuffer(8, 24); } }; }