[PATCH 4/4] GLX/DRI2: make GLX swap event handling match spec

[Jesse Barnes]

Only send a 32 bit swap count out to the client.

Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 configure.ac              |    4 ++--
 glx/glxdri2.c             |    5 ++---
 hw/xfree86/dri2/dri2.c    |    2 +-
 hw/xfree86/dri2/dri2.h    |    2 +-
 hw/xfree86/dri2/dri2ext.c |    5 ++---
 5 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/configure.ac b/configure.ac
index 6eb780c..87194a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -771,11 +771,11 @@ RECORDPROTO="recordproto >= 1.13.99.1"
 SCRNSAVERPROTO="scrnsaverproto >= 1.1"
 RESOURCEPROTO="resourceproto"
 DRIPROTO="xf86driproto >= 2.1.0"
-DRI2PROTO="dri2proto >= 2.3"
+DRI2PROTO="dri2proto >= 2.4"
 XINERAMAPROTO="xineramaproto"
 BIGFONTPROTO="xf86bigfontproto >= 1.2.0"
 DGAPROTO="xf86dgaproto >= 2.0.99.1"
-GLPROTO="glproto >= 1.4.10"
+GLPROTO="glproto >= 1.4.13"
 DMXPROTO="dmxproto >= 2.2.99.1"
 VIDMODEPROTO="xf86vidmodeproto >= 2.2.99.1"
 WINDOWSWMPROTO="windowswmproto"
diff --git a/glx/glxdri2.c b/glx/glxdri2.c
index 93c5e5b..450d8c9 100644
--- a/glx/glxdri2.c
+++ b/glx/glxdri2.c
@@ -163,7 +163,7 @@ __glXDRIdrawableWaitGL(__GLXdrawable *drawable)
 
 static void
 __glXdriSwapEvent(ClientPtr client, void *data, int type, CARD64 ust,
-		  CARD64 msc, CARD64 sbc)
+		  CARD64 msc, CARD32 sbc)
 {
     __GLXdrawable *drawable = data;
     xGLXBufferSwapComplete wire;
@@ -192,8 +192,7 @@ __glXdriSwapEvent(ClientPtr client, void *data, int type, CARD64 ust,
     wire.ust_lo = ust & 0xffffffff;
     wire.msc_hi = msc >> 32;
     wire.msc_lo = msc & 0xffffffff;
-    wire.sbc_hi = sbc >> 32;
-    wire.sbc_lo = sbc & 0xffffffff;
+    wire.sbc = sbc;
 
     WriteEventsToClient(client, 1, (xEvent *) &wire);
 }
diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 5c42a51..40829c2 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -76,7 +76,7 @@ typedef struct _DRI2Drawable {
     ClientPtr		 blockedClient;
     Bool		 blockedOnMsc;
     int			 swap_interval;
-    CARD64		 swap_count;
+    CARD32		 swap_count;
     int64_t		 target_sbc; /* -1 means no SBC wait outstanding */
     CARD64		 last_swap_target; /* most recently queued swap target */
     CARD64		 last_swap_msc; /* msc at completion of most recent swap */
diff --git a/hw/xfree86/dri2/dri2.h b/hw/xfree86/dri2/dri2.h
index fe0bf6c..2a41ead 100644
--- a/hw/xfree86/dri2/dri2.h
+++ b/hw/xfree86/dri2/dri2.h
@@ -51,7 +51,7 @@ extern CARD8 dri2_minor;
 
 typedef DRI2BufferRec DRI2Buffer2Rec, *DRI2Buffer2Ptr;
 typedef void (*DRI2SwapEventPtr)(ClientPtr client, void *data, int type,
-				 CARD64 ust, CARD64 msc, CARD64 sbc);
+				 CARD64 ust, CARD64 msc, CARD32 sbc);
 
 
 typedef DRI2BufferPtr	(*DRI2CreateBuffersProcPtr)(DrawablePtr pDraw,
diff --git a/hw/xfree86/dri2/dri2ext.c b/hw/xfree86/dri2/dri2ext.c
index 4e48e65..2bb515f 100644
--- a/hw/xfree86/dri2/dri2ext.c
+++ b/hw/xfree86/dri2/dri2ext.c
@@ -357,7 +357,7 @@ vals_to_card64(CARD32 lo, CARD32 hi)
 
 static void
 DRI2SwapEvent(ClientPtr client, void *data, int type, CARD64 ust, CARD64 msc,
-	      CARD64 sbc)
+	      CARD32 sbc)
 {
     xDRI2BufferSwapComplete event;
     DrawablePtr pDrawable = data;
@@ -369,8 +369,7 @@ DRI2SwapEvent(ClientPtr client, void *data, int type, CARD64 ust, CARD64 msc,
     event.ust_lo = ust & 0xffffffff;
     event.msc_hi = (CARD64)msc >> 32;
     event.msc_lo = msc & 0xffffffff;
-    event.sbc_hi = (CARD64)sbc >> 32;
-    event.sbc_lo = sbc & 0xffffffff;
+    event.sbc = sbc;
 
     WriteEventsToClient(client, 1, (xEvent *)&event);
 }
-- 
1.7.4.1