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Show also how to create the OpenGL3 GLUT window fullscreen.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@13024 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy 2018-08-21 09:26:01 +00:00
parent 153b175d90
commit ec88e4a7c0
1 changed files with 8 additions and 1 deletions
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9
examples/OpenGL3-glut-test.cxx
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@ -189,14 +189,21 @@ void display(void)
glDrawArrays(GL_TRIANGLES, 0, 3); // draw second object
}
int fullscreen = 0;
int main (int argc, char* argv[])
{
Fl::use_high_res_GL(true);
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | FL_OPENGL3);
glutInitWindowSize(400,400);
int W = 400, H = 400;
if (fullscreen) {
int X,Y;
Fl::screen_xywh(X,Y,W,H,0);
}
glutInitWindowSize(W, H);
glutCreateWindow("Triangle Test");
if (fullscreen) Fl::first_window()->fullscreen();
#ifndef __APPLE__
GLenum err = glewInit(); // defines pters to functions of OpenGL V 1.2 and above
if (err) Fl::error("glewInit() failed returning %u", err);