int main(int argc, char** argv) {
fullscreen = false;
grab = false;
quit = false;
initScreen();
initFrameBuffer();
createGLContext();
createColorMap();
createWindow();
createBlankCursor();
int x = 0;
while(x<5000) {
renderFrame();
updateWindowTitle();
x++;
}
/* Cleanup
glXDestroyWindow(display, glxwindow);
xcb_destroy_window(connection, window);
glXDestroyContext(display, context);
XCloseDisplay(display);
*/
return 0;
}
bool window_create(const char *caption,int width,int height) {
//
windowData.display = XOpenDisplay(NULL);
if(!windowData.display) {
fprintf(stderr,"window_create: Failed to open X display.\n");
return false;
}
//
if(!window_check_glx(windowData.display)) {
//todo close display
fprintf(stderr,"window_create: Invalid GLX version.\n");
return false;
}
//
int screen;
screen = XDefaultScreen(windowData.display);
//
GLXFBConfig bestFbc=get_gl_bestFbc(windowData.display,screen);
//
XVisualInfo *vi = glXGetVisualFromFBConfig(windowData.display,bestFbc);
if(!vi) {
//todo close display
fprintf(stderr,"Could not get visual info.\n");
return false;
}
fprintf(stderr,"Chosen visual ID = 0x%d\n",vi->visualid);
Visual *viVisual=vi->visual;
int viScreen=vi->screen;
int viDepth=vi->depth;
XFree(vi);
//
// int depth = DefaultDepth(windowData.display, screen);
// XVisualInfo vi;
// XMatchVisualInfo(windowData.display, screen, depth, TrueColor, &vi);
// fprintf(stderr,"Chosen visual ID = 0x%d\n",vi.visualid);
// visual=vi.visual;
//
if(!create_window_x11(windowData.display,viScreen,viVisual,viDepth,
caption,width,height,
&windowData.cmap,&windowData.win)) {
//todo close display
return false;
}
//
windowData.wmDelete=XInternAtom(windowData.display, "WM_DELETE_WINDOW", True);
XSetWMProtocols(windowData.display, windowData.win, &windowData.wmDelete, 1);
//
windowData.xiopcode=setupXiInput(windowData.display);
if(!windowData.xiopcode) {
//todo destroy window
//todo free colormap
//todo close display
return false;
}
//
windowData.blankCursor=createBlankCursor(windowData.display,windowData.win);
if(!windowData.blankCursor) {
//todo destroy xi
//todo destroy window
//todo free colormap
//todo close display
return false;
}
//
const char *glxExts = glXQueryExtensionsString(windowData.display,viScreen);
if(!isExtensionSupported(glxExts,"GLX_ARB_create_context")) {
//todo destroy blank cursor
//todo destroy xi
//todo destroy window
//todo free colormap
//todo close display
fprintf(stderr,"window_create: glXCreateContextAttribsARB not supported.\n");
return false;
}
glXCreateContextAttribsARBProc glXCreateContextAttribsARB;
glXCreateContextAttribsARB=(glXCreateContextAttribsARBProc)
glXGetProcAddressARB((const GLubyte*)"glXCreateContextAttribsARB");
if(!glXCreateContextAttribsARB) {
//todo destroy blank cursor
//todo destroy xi
//todo destroy window
//todo free colormap
//todo close display
fprintf(stderr,"glXCreateContextAttribsARB err.\n");
return false;
}
//
windowData.ctx=0;
//
if(
!window_gl_context(windowData.display,windowData.win,
glXCreateContextAttribsARB,bestFbc,
&windowData.ctx,3,3,false) &&
!window_gl_context(windowData.display,windowData.win,
glXCreateContextAttribsARB,bestFbc,
&windowData.ctx,3,2,false) &&
!window_gl_context(windowData.display,windowData.win,
glXCreateContextAttribsARB,bestFbc,
&windowData.ctx,3,1,false) &&
!window_gl_context(windowData.display,windowData.win,
glXCreateContextAttribsARB,bestFbc,
&windowData.ctx,3,0,false) &&
!window_gl_context(windowData.display,windowData.win,
glXCreateContextAttribsARB,bestFbc,
&windowData.ctx,2,1,false) &&
!window_gl_context(windowData.display,windowData.win,
glXCreateContextAttribsARB,bestFbc,
&windowData.ctx,2,0,false)) {
//todo destroy blank cursor
//todo destroy xi
//todo destroy window
//todo free colormap
//todo close display
return false;
}
//
if(!glXIsDirect(windowData.display,windowData.ctx)) {
fprintf(stderr,"window_create: Indirect GLX rendering context obtained.\n");
} else {
fprintf(stderr,"window_create: Direct GLX rendering context obtained.\n");
}
//
run_gl_swap_interval(windowData.display);
//
int i;
//
windowData.iconic=false;
windowData.restored=false;
windowData.sized=false;
windowData.clientWidth=-1;
windowData.clientHeight=-1;
windowData.cursorX=0;
windowData.cursorY=0;
windowData.mouseX=0;
windowData.mouseY=0;
windowData.mouseZ=0;
windowData.lockCursor=false;
windowData.cursorLocked=false;
for(i=0;i<INPUTS_SIZE;i++) {
windowData.inputs[i]=INPUT_UP;
}
// int event_mask=ButtonPressMask|ButtonReleaseMask|
// PointerMotionMask |FocusChangeMask|
// EnterWindowMask|LeaveWindowMask;
// if(GrabSuccess !=XGrabPointer(windowData.display,windowData.win, True,
// event_mask,GrabModeAsync,GrabModeAsync,
// windowData.win, None, CurrentTime)) {
// printf("grabfail\n");
// }
//
return true;
}