static GLboolean initDisplay(void)
{
Bool supported;
_glfw.x11.display = XOpenDisplay(NULL);
if (!_glfw.x11.display)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "X11: Failed to open X display");
return GL_FALSE;
}
// As the API currently doesn't understand multiple display devices, we hard-code
// this choice and hope for the best
_glfw.x11.screen = DefaultScreen(_glfw.x11.display);
_glfw.x11.root = RootWindow(_glfw.x11.display, _glfw.x11.screen);
// Find or create window manager atoms
_glfw.x11.WM_STATE = XInternAtom(_glfw.x11.display, "WM_STATE", False);
_glfw.x11.WM_DELETE_WINDOW = XInternAtom(_glfw.x11.display,
"WM_DELETE_WINDOW",
False);
// Check for XF86VidMode extension
_glfw.x11.vidmode.available =
XF86VidModeQueryExtension(_glfw.x11.display,
&_glfw.x11.vidmode.eventBase,
&_glfw.x11.vidmode.errorBase);
// Check for RandR extension
_glfw.x11.randr.available =
XRRQueryExtension(_glfw.x11.display,
&_glfw.x11.randr.eventBase,
&_glfw.x11.randr.errorBase);
if (_glfw.x11.randr.available)
{
if (!XRRQueryVersion(_glfw.x11.display,
&_glfw.x11.randr.versionMajor,
&_glfw.x11.randr.versionMinor))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to query RandR version");
return GL_FALSE;
}
// The GLFW RandR path requires at least version 1.3
if (_glfw.x11.randr.versionMajor == 1 &&
_glfw.x11.randr.versionMinor < 3)
{
_glfw.x11.randr.available = GL_FALSE;
}
}
// Check if Xkb is supported on this display
_glfw.x11.xkb.versionMajor = 1;
_glfw.x11.xkb.versionMinor = 0;
if (!XkbQueryExtension(_glfw.x11.display,
&_glfw.x11.xkb.majorOpcode,
&_glfw.x11.xkb.eventBase,
&_glfw.x11.xkb.errorBase,
&_glfw.x11.xkb.versionMajor,
&_glfw.x11.xkb.versionMinor))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: The keyboard extension is not available");
return GL_FALSE;
}
XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported);
if (!supported)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Detectable key repeat is not available");
return GL_FALSE;
}
// Update the key code LUT
// FIXME: We should listen to XkbMapNotify events to track changes to
// the keyboard mapping.
updateKeyCodeLUT();
// Detect whether an EWMH-conformant window manager is running
detectEWMH();
// Find or create string format atoms
_glfw.x11.UTF8_STRING =
XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
_glfw.x11.COMPOUND_STRING =
XInternAtom(_glfw.x11.display, "COMPOUND_STRING", False);
// Find or create selection property atom
_glfw.x11.selection.property =
XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);
// Find or create standard clipboard atoms
_glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
_glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);
// Find or create selection target atoms
_glfw.x11.selection.formats[_GLFW_CLIPBOARD_FORMAT_UTF8] =
_glfw.x11.UTF8_STRING;
_glfw.x11.selection.formats[_GLFW_CLIPBOARD_FORMAT_COMPOUND] =
_glfw.x11.COMPOUND_STRING;
_glfw.x11.selection.formats[_GLFW_CLIPBOARD_FORMAT_STRING] =
XA_STRING;
return GL_TRUE;
}
// Initialize X11 display and look for supported X11 extensions
//
static GLboolean initExtensions(void)
{
Bool supported;
// Find or create window manager atoms
_glfw.x11.WM_STATE = XInternAtom(_glfw.x11.display, "WM_STATE", False);
_glfw.x11.WM_DELETE_WINDOW = XInternAtom(_glfw.x11.display,
"WM_DELETE_WINDOW",
False);
_glfw.x11.MOTIF_WM_HINTS = XInternAtom(_glfw.x11.display,
"_MOTIF_WM_HINTS",
False);
// Check for XF86VidMode extension
_glfw.x11.vidmode.available =
XF86VidModeQueryExtension(_glfw.x11.display,
&_glfw.x11.vidmode.eventBase,
&_glfw.x11.vidmode.errorBase);
// Check for RandR extension
_glfw.x11.randr.available =
XRRQueryExtension(_glfw.x11.display,
&_glfw.x11.randr.eventBase,
&_glfw.x11.randr.errorBase);
if (_glfw.x11.randr.available)
{
if (!XRRQueryVersion(_glfw.x11.display,
&_glfw.x11.randr.versionMajor,
&_glfw.x11.randr.versionMinor))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to query RandR version");
return GL_FALSE;
}
// The GLFW RandR path requires at least version 1.3
if (_glfw.x11.randr.versionMajor == 1 &&
_glfw.x11.randr.versionMinor < 3)
{
_glfw.x11.randr.available = GL_FALSE;
}
}
if (XQueryExtension(_glfw.x11.display,
"XInputExtension",
&_glfw.x11.xi.majorOpcode,
&_glfw.x11.xi.eventBase,
&_glfw.x11.xi.errorBase))
{
_glfw.x11.xi.versionMajor = 2;
_glfw.x11.xi.versionMinor = 0;
if (XIQueryVersion(_glfw.x11.display,
&_glfw.x11.xi.versionMajor,
&_glfw.x11.xi.versionMinor) != BadRequest)
{
_glfw.x11.xi.available = GL_TRUE;
}
}
// Check if Xkb is supported on this display
_glfw.x11.xkb.versionMajor = 1;
_glfw.x11.xkb.versionMinor = 0;
if (!XkbQueryExtension(_glfw.x11.display,
&_glfw.x11.xkb.majorOpcode,
&_glfw.x11.xkb.eventBase,
&_glfw.x11.xkb.errorBase,
&_glfw.x11.xkb.versionMajor,
&_glfw.x11.xkb.versionMinor))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: The keyboard extension is not available");
return GL_FALSE;
}
if (!XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to set detectable key repeat");
return GL_FALSE;
}
if (!supported)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Detectable key repeat is not supported");
return GL_FALSE;
}
// Update the key code LUT
// FIXME: We should listen to XkbMapNotify events to track changes to
// the keyboard mapping.
updateKeyCodeLUT();
// Detect whether an EWMH-conformant window manager is running
detectEWMH();
// Find or create string format atoms
_glfw.x11.UTF8_STRING =
XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
_glfw.x11.COMPOUND_STRING =
XInternAtom(_glfw.x11.display, "COMPOUND_STRING", False);
_glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False);
// Find or create selection property atom
_glfw.x11.GLFW_SELECTION =
XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);
// Find or create standard clipboard atoms
_glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
_glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False);
_glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);
// Find or create clipboard manager atoms
_glfw.x11.CLIPBOARD_MANAGER =
XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False);
_glfw.x11.SAVE_TARGETS =
XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);
return GL_TRUE;
}
static GLboolean initDisplay(void)
{
_glfwLibrary.X11.display = XOpenDisplay(NULL);
if (!_glfwLibrary.X11.display)
{
_glfwSetError(GLFW_OPENGL_UNAVAILABLE, "X11/GLX: Failed to open X display");
return GL_FALSE;
}
// As the API currently doesn't understand multiple display devices, we hard-code
// this choice and hope for the best
_glfwLibrary.X11.screen = DefaultScreen(_glfwLibrary.X11.display);
_glfwLibrary.X11.root = RootWindow(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen);
// Check for XF86VidMode extension
#ifdef _GLFW_HAS_XF86VIDMODE
_glfwLibrary.X11.VidMode.available =
XF86VidModeQueryExtension(_glfwLibrary.X11.display,
&_glfwLibrary.X11.VidMode.eventBase,
&_glfwLibrary.X11.VidMode.errorBase);
#else
_glfwLibrary.X11.VidMode.available = GL_FALSE;
#endif /*_GLFW_HAS_XF86VIDMODE*/
// Check for XRandR extension
#ifdef _GLFW_HAS_XRANDR
_glfwLibrary.X11.RandR.available =
XRRQueryExtension(_glfwLibrary.X11.display,
&_glfwLibrary.X11.RandR.eventBase,
&_glfwLibrary.X11.RandR.errorBase);
if (_glfwLibrary.X11.RandR.available)
{
if (!XRRQueryVersion(_glfwLibrary.X11.display,
&_glfwLibrary.X11.RandR.majorVersion,
&_glfwLibrary.X11.RandR.minorVersion))
{
_glfwSetError(GLFW_PLATFORM_ERROR,
"X11/GLX: Failed to query RandR version");
return GL_FALSE;
}
}
#else
_glfwLibrary.X11.RandR.available = GL_FALSE;
#endif /*_GLFW_HAS_XRANDR*/
// Check if GLX is supported on this display
if (!glXQueryExtension(_glfwLibrary.X11.display, NULL, NULL))
{
_glfwSetError(GLFW_OPENGL_UNAVAILABLE, "X11/GLX: GLX supported not found");
return GL_FALSE;
}
if (!glXQueryVersion(_glfwLibrary.X11.display,
&_glfwLibrary.GLX.majorVersion,
&_glfwLibrary.GLX.minorVersion))
{
_glfwSetError(GLFW_OPENGL_UNAVAILABLE,
"X11/GLX: Failed to query GLX version");
return GL_FALSE;
}
// Check if Xkb is supported on this display
#if defined(_GLFW_HAS_XKB)
_glfwLibrary.X11.Xkb.majorVersion = 1;
_glfwLibrary.X11.Xkb.minorVersion = 0;
_glfwLibrary.X11.Xkb.available =
XkbQueryExtension(_glfwLibrary.X11.display,
&_glfwLibrary.X11.Xkb.majorOpcode,
&_glfwLibrary.X11.Xkb.eventBase,
&_glfwLibrary.X11.Xkb.errorBase,
&_glfwLibrary.X11.Xkb.majorVersion,
&_glfwLibrary.X11.Xkb.minorVersion);
#else
_glfwLibrary.X11.Xkb.available = GL_FALSE;
#endif /* _GLFW_HAS_XKB */
// Update the key code LUT
// FIXME: We should listen to XkbMapNotify events to track changes to
// the keyboard mapping.
updateKeyCodeLUT();
// Find or create selection property atom
_glfwLibrary.X11.selection.property =
XInternAtom(_glfwLibrary.X11.display, "GLFW_SELECTION", False);
// Find or create clipboard atom
_glfwLibrary.X11.selection.atom =
XInternAtom(_glfwLibrary.X11.display, "CLIPBOARD", False);
// Find or create selection target atoms
_glfwLibrary.X11.selection.formats[_GLFW_CLIPBOARD_FORMAT_UTF8] =
XInternAtom(_glfwLibrary.X11.display, "UTF8_STRING", False);
_glfwLibrary.X11.selection.formats[_GLFW_CLIPBOARD_FORMAT_COMPOUND] =
XInternAtom(_glfwLibrary.X11.display, "COMPOUND_STRING", False);
_glfwLibrary.X11.selection.formats[_GLFW_CLIPBOARD_FORMAT_STRING] =
XA_STRING;
_glfwLibrary.X11.selection.targets = XInternAtom(_glfwLibrary.X11.display,
"TARGETS",
False);
return GL_TRUE;
}
