Merge remote-tracking branch 'origin/released'

* origin/released:
  libxtrans fontconfig mesa xserver pixman xkbcomp git update 4 nov 2013

Conflicts:
	xorg-server/Xext/shm.c
	xorg-server/os/xstrans.c

1 files changed, 118 insertions, 0 deletions

diff --git a/xorg-server/present/present.h b/xorg-server/present/present.h
new file mode 100644
index 000000000..6a451fb23
--- /dev/null
+++ b/xorg-server/present/present.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright © 2013 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _PRESENT_H_
+#define _PRESENT_H_
+
+#include <X11/extensions/presentproto.h>
+#include "randrstr.h"
+#include "presentext.h"
+
+typedef struct present_vblank present_vblank_rec, *present_vblank_ptr;
+
+/* Return the current CRTC for 'window'.
+ */
+typedef RRCrtcPtr (*present_get_crtc_ptr) (WindowPtr window);
+
+/* Return the current ust/msc for 'crtc'
+ */
+typedef int (*present_get_ust_msc_ptr) (RRCrtcPtr crtc, uint64_t *ust, uint64_t *msc);
+
+/* Queue callback on 'crtc' for time 'msc'. Call present_event_notify with 'event_id'
+ * at or after 'msc'. Return false if it didn't happen (which might occur if 'crtc'
+ * is not currently generating vblanks).
+ */
+typedef Bool (*present_queue_vblank_ptr) (RRCrtcPtr crtc,
+                                          uint64_t event_id,
+                                          uint64_t msc);
+
+/* Abort pending vblank. The extension is no longer interested in
+ * 'event_id' which was to be notified at 'msc'. If possible, the
+ * driver is free to de-queue the notification.
+ */
+typedef void (*present_abort_vblank_ptr) (RRCrtcPtr crtc, uint64_t event_id, uint64_t msc);
+
+/* Flush pending drawing on 'window' to the hardware.
+ */
+typedef void (*present_flush_ptr) (WindowPtr window);
+
+/* Check if 'pixmap' is suitable for flipping to 'window'.
+ */
+typedef Bool (*present_check_flip_ptr) (RRCrtcPtr crtc, WindowPtr window, PixmapPtr pixmap, Bool sync_flip);
+
+/* Flip pixmap, return false if it didn't happen.
+ *
+ * 'crtc' is to be used for any necessary synchronization.
+ *
+ * 'sync_flip' requests that the flip be performed at the next
+ * vertical blank interval to avoid tearing artifacts. If false, the
+ * flip should be performed as soon as possible.
+ *
+ * present_event_notify should be called with 'event_id' when the flip
+ * occurs
+ */
+typedef Bool (*present_flip_ptr) (RRCrtcPtr crtc,
+                                  uint64_t event_id,
+                                  uint64_t target_msc,
+                                  PixmapPtr pixmap,
+                                  Bool sync_flip);
+
+/* "unflip" back to the regular screen scanout buffer
+ *
+ * present_event_notify should be called with 'event_id' when the unflip occurs.
+ */
+typedef void (*present_unflip_ptr) (ScreenPtr screen,
+                                    uint64_t event_id);
+
+#define PRESENT_SCREEN_INFO_VERSION        0
+
+typedef struct present_screen_info {
+    uint32_t                            version;
+
+    present_get_crtc_ptr                get_crtc;
+    present_get_ust_msc_ptr             get_ust_msc;
+    present_queue_vblank_ptr            queue_vblank;
+    present_abort_vblank_ptr            abort_vblank;
+    present_flush_ptr                   flush;
+    uint32_t                            capabilities;
+    present_check_flip_ptr              check_flip;
+    present_flip_ptr                    flip;
+    present_unflip_ptr                  unflip;
+
+} present_screen_info_rec, *present_screen_info_ptr;
+
+/*
+ * Called when 'event_id' occurs. 'ust' and 'msc' indicate when the
+ * event actually happened
+ */
+extern _X_EXPORT void
+present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc);
+
+/* 'crtc' has been turned off, so any pending events will never occur.
+ */
+extern _X_EXPORT void
+present_event_abandon(RRCrtcPtr crtc);
+
+extern _X_EXPORT Bool
+present_screen_init(ScreenPtr screen, present_screen_info_ptr info);
+
+#endif /* _PRESENT_H_ */