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Diffstat (limited to 'src/glx/x11/glxext.c')
-rw-r--r--src/glx/x11/glxext.c91
1 files changed, 89 insertions, 2 deletions
diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c
index 5633a3e4a2..fe65216c41 100644
--- a/src/glx/x11/glxext.c
+++ b/src/glx/x11/glxext.c
@@ -101,6 +101,10 @@ __glXCloseDisplay(Display * dpy, XExtCodes * codes)
static
XEXT_GENERATE_ERROR_STRING(__glXErrorString, __glXExtensionName,
__GLX_NUMBER_ERRORS, error_list)
+static Bool
+__glXWireToEvent(Display *dpy, XEvent *event, xEvent *wire);
+static Status
+__glXEventToWire(Display *dpy, XEvent *event, xEvent *wire);
static /* const */ XExtensionHooks __glXExtensionHooks = {
NULL, /* create_gc */
@@ -110,8 +114,8 @@ static /* const */ XExtensionHooks __glXExtensionHooks = {
NULL, /* create_font */
NULL, /* free_font */
__glXCloseDisplay, /* close_display */
- NULL, /* wire_to_event */
- NULL, /* event_to_wire */
+ __glXWireToEvent, /* wire_to_event */
+ __glXEventToWire, /* event_to_wire */
NULL, /* error */
__glXErrorString, /* error_string */
};
@@ -121,6 +125,89 @@ XEXT_GENERATE_FIND_DISPLAY(__glXFindDisplay, __glXExtensionInfo,
__glXExtensionName, &__glXExtensionHooks,
__GLX_NUMBER_EVENTS, NULL)
+/*
+ * GLX events are a bit funky. We don't stuff the X event code into
+ * our user exposed (via XNextEvent) structure. Instead we use the GLX
+ * private event code namespace (and hope it doesn't conflict). Clients
+ * have to know that bit 15 in the event type field means they're getting
+ * a GLX event, and then handle the various sub-event types there, rather
+ * than simply checking the event code and handling it directly.
+ */
+
+static Bool
+__glXWireToEvent(Display *dpy, XEvent *event, xEvent *wire)
+{
+ XExtDisplayInfo *info = __glXFindDisplay(dpy);
+
+ XextCheckExtension(dpy, info, __glXExtensionName, False);
+
+ switch ((wire->u.u.type & 0x7f) - info->codes->first_event) {
+ case GLX_PbufferClobber:
+ {
+ GLXPbufferClobberEvent *aevent = (GLXPbufferClobberEvent *)event;
+ xGLXPbufferClobberEvent *awire = (xGLXPbufferClobberEvent *)wire;
+ aevent->event_type = awire->type;
+ aevent->serial = awire->sequenceNumber;
+ aevent->event_type = awire->event_type;
+ aevent->draw_type = awire->draw_type;
+ aevent->drawable = awire->drawable;
+ aevent->buffer_mask = awire->buffer_mask;
+ aevent->aux_buffer = awire->aux_buffer;
+ aevent->x = awire->x;
+ aevent->y = awire->y;
+ aevent->width = awire->width;
+ aevent->height = awire->height;
+ aevent->count = awire->count;
+ return True;
+ }
+ case GLX_BufferSwapComplete:
+ {
+ GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event;
+ xGLXBufferSwapComplete *awire = (xGLXBufferSwapComplete *)wire;
+ aevent->event_type = awire->event_type;
+ aevent->drawable = awire->drawable;
+ aevent->ust = ((CARD64)awire->ust_hi << 32) | awire->ust_lo;
+ aevent->msc = ((CARD64)awire->msc_hi << 32) | awire->msc_lo;
+ aevent->sbc = ((CARD64)awire->sbc_hi << 32) | awire->sbc_lo;
+ return True;
+ }
+ default:
+ /* client doesn't support server event */
+ break;
+ }
+
+ return False;
+}
+
+/* We don't actually support this. It doesn't make sense for clients to
+ * send each other GLX events.
+ */
+static Status
+__glXEventToWire(Display *dpy, XEvent *event, xEvent *wire)
+{
+ XExtDisplayInfo *info = __glXFindDisplay(dpy);
+
+ XextCheckExtension(dpy, info, __glXExtensionName, False);
+
+ switch (event->type) {
+ case GLX_DAMAGED:
+ break;
+ case GLX_SAVED:
+ break;
+ case GLX_EXCHANGE_COMPLETE:
+ break;
+ case GLX_BLIT_COMPLETE:
+ break;
+ case GLX_FLIP_COMPLETE:
+ break;
+ default:
+ /* client doesn't support server event */
+ break;
+ }
+
+ return Success;
+}
+
/************************************************************************/
/*
** Free the per screen configs data as well as the array of