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openscad
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add system-gl.cc

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don bright 2013-01-24 04:11:14 +01:00
parent 009baca904
commit ed24425305
1 changed files with 50 additions and 0 deletions
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src/system-gl.cc Normal file
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/* OpenGL helper functions */
#include <iostream>
#include <sstream>
#include <string>
#include "system-gl.h"
#include <boost/algorithm/string.hpp>
using namespace std;
using namespace boost;
string glew_dump(bool dumpall)
{
stringstream out;
out << "GLEW version: " << glewGetString(GLEW_VERSION) << endl
<< "GL Renderer: " << (const char *)glGetString(GL_RENDERER) << endl
<< "GL Vendor: " << (const char *)glGetString(GL_VENDOR) << endl
<< "OpenGL Version: " << (const char *)glGetString(GL_VERSION) << endl;
out << "GL Extensions: " << endl;
if (dumpall) {
string extensions((const char *)glGetString(GL_EXTENSIONS));
replace_all( extensions, " ", "\n " );
out << " " << extensions << endl;
}
out << "GL_ARB_framebuffer_object: "
<< (glewIsSupported("GL_ARB_framebuffer_object") ? "yes" : "no")
<< endl
<< "GL_EXT_framebuffer_object: "
<< (glewIsSupported("GL_EXT_framebuffer_object") ? "yes" : "no")
<< endl
<< "GL_EXT_packed_depth_stencil: "
<< (glewIsSupported("GL_EXT_packed_depth_stencil") ? "yes" : "no")
<< endl;
return out.str();
};
bool report_glerror(const char * function)
{
GLenum tGLErr = glGetError();
if (tGLErr != GL_NO_ERROR) {
cerr << "OpenGL error 0x" << hex << tGLErr << ": " << gluErrorString(tGLErr) << " after " << function << endl;
return true;
}
return false;
}