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// Small app to display GL infos
#include <stdio.h>
#include <string.h>
#include <Application.h>
#include <Window.h>
#include <OutlineListView.h>
#include <ScrollView.h>
#include <GLView.h>
#include <String.h>
#include <GL/gl.h>
class GLInfoWindow : public BWindow
{
public:
GLInfoWindow(BRect frame);
virtual bool QuitRequested() { be_app->PostMessage(B_QUIT_REQUESTED); return true; }
private:
BGLView *gl;
BOutlineListView *list;
BScrollView *scroller;
};
class GLInfoApp : public BApplication
{
public:
GLInfoApp();
private:
GLInfoWindow *window;
};
GLInfoApp::GLInfoApp()
: BApplication("application/x-vnd.OBOS-GLInfo")
{
window = new GLInfoWindow(BRect(50, 50, 350, 350));
}
GLInfoWindow::GLInfoWindow(BRect frame)
: BWindow(frame, "OpenGL Info", B_TITLED_WINDOW, 0)
{
BRect r = Bounds();
char *s;
BString l;
// Add a outline list view
r.right -= B_V_SCROLL_BAR_WIDTH;
list = new BOutlineListView(r, "GLInfoList", B_SINGLE_SELECTION_LIST, B_FOLLOW_ALL_SIDES);
scroller = new BScrollView("GLInfoListScroller", list, B_FOLLOW_ALL_SIDES,
B_WILL_DRAW | B_FRAME_EVENTS, false, true);
gl = new BGLView(r, "opengl", B_FOLLOW_ALL_SIDES, 0, BGL_RGB | BGL_DOUBLE);
gl->Hide();
AddChild(gl);
AddChild(scroller);
Show();
LockLooper();
// gl->LockGL();
s = (char *) glGetString(GL_RENDERER);
if (!s)
goto error;
list->AddItem(new BStringItem(s));
s = (char *) glGetString(GL_VENDOR);
if (s) {
l = ""; l << "Vendor Name: " << s;
list->AddItem(new BStringItem(l.String(), 1));
}
s = (char *) glGetString(GL_VERSION);
if (s) {
l = ""; l << "Version: " << s;
list->AddItem(new BStringItem(l.String(), 1));
}
s = (char *) glGetString(GL_RENDERER);
if (s) {
l = ""; l << "Renderer Name: " << s;
list->AddItem(new BStringItem(l.String(), 1));
}
s = (char *) glGetString(GL_EXTENSIONS);
if (s) {
list->AddItem(new BStringItem("OpenGL Extensions", 1));
while (*s) {
char extname[255];
int n = strcspn(s, " ");
strncpy(extname, s, n);
extname[n] = 0;
list->AddItem(new BStringItem(extname, 2));
if (! s[n])
break;
s += (n + 1); // next !
}
}
// gl->UnlockGL();
error:
UnlockLooper();
}
int main(int argc, char *argv[])
{
GLInfoApp *app = new GLInfoApp;
app->Run();
delete app;
return 0;
}
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