147 lines
3.6 KiB
C
147 lines
3.6 KiB
C
/*
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Copyright (c) 2008, 2009 Apple Inc.
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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(the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
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HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name(s) of the above
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copyright holders shall not be used in advertising or otherwise to
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promote the sale, use or other dealings in this Software without
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prior written authorization.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <dlfcn.h>
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#include <pthread.h>
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#include <inttypes.h>
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#include "appledri.h"
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#include "apple_glx.h"
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#include "apple_glx_context.h"
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#include "apple_cgl.h"
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static bool initialized = false;
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static int dri_event_base = 0;
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int
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apple_get_dri_event_base(void)
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{
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if (!initialized) {
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fprintf(stderr,
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"error: dri_event_base called before apple_init_glx!\n");
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abort();
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}
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return dri_event_base;
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}
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static void
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surface_notify_handler(Display * dpy, unsigned int uid, int kind)
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{
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switch (kind) {
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case AppleDRISurfaceNotifyDestroyed:
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apple_glx_diagnostic("%s: surface destroyed %u\n", __func__, uid);
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apple_glx_surface_destroy(uid);
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break;
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case AppleDRISurfaceNotifyChanged:{
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int updated;
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updated = apple_glx_context_surface_changed(uid, pthread_self());
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apple_glx_diagnostic("surface notify updated %d\n", updated);
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}
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break;
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default:
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fprintf(stderr, "unhandled kind of event: %d in %s\n", kind, __func__);
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}
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}
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xp_client_id
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apple_glx_get_client_id(void)
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{
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static xp_client_id id;
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if (0 == id) {
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if ((XP_Success != xp_init(XP_IN_BACKGROUND)) ||
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(Success != xp_get_client_id(&id))) {
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return 0;
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}
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}
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return id;
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}
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/* Return true if an error occurred. */
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bool
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apple_init_glx(Display * dpy)
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{
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int eventBase, errorBase;
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int major, minor, patch;
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if (!XAppleDRIQueryExtension(dpy, &eventBase, &errorBase))
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return true;
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if (!XAppleDRIQueryVersion(dpy, &major, &minor, &patch))
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return true;
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if (initialized)
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return false;
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apple_glx_log_init();
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apple_glx_log(ASL_LEVEL_INFO, "Initializing libGL.");
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apple_cgl_init();
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(void) apple_glx_get_client_id();
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XAppleDRISetSurfaceNotifyHandler(surface_notify_handler);
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/* This should really be per display. */
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dri_event_base = eventBase;
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initialized = true;
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return false;
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}
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void
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apple_glx_swap_buffers(void *ptr)
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{
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struct apple_glx_context *ac = ptr;
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apple_cgl.flush_drawable(ac->context_obj);
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}
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void
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apple_glx_waitx(Display * dpy, void *ptr)
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{
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struct apple_private_context *ac = ptr;
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(void) ac;
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glFlush();
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glFinish();
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XSync(dpy, False);
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}
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