[xserver patch v4 5/5] dri2: Support the DRI2InvalidateBuffers event.
Francisco Jerez
currojerez at riseup.net
Mon Feb 8 10:25:16 PST 2010
Bumps the supported DRI2 protocol version.
Signed-off-by: Francisco Jerez <currojerez at riseup.net>
---
configure.ac | 2 +-
hw/xfree86/dri2/dri2.c | 109 +++++++++++++++++++++++++++++++++++++++++++
hw/xfree86/dri2/dri2.h | 5 ++
hw/xfree86/dri2/dri2ext.c | 35 ++++++++++++--
include/protocol-versions.h | 2 +-
5 files changed, 147 insertions(+), 6 deletions(-)
diff --git a/configure.ac b/configure.ac
index ec9442b..efd54a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -752,7 +752,7 @@ RECORDPROTO="recordproto >= 1.13.99.1"
SCRNSAVERPROTO="scrnsaverproto >= 1.1"
RESOURCEPROTO="resourceproto"
DRIPROTO="xf86driproto >= 2.1.0"
-DRI2PROTO="dri2proto >= 2.2"
+DRI2PROTO="dri2proto >= 2.3"
XINERAMAPROTO="xineramaproto"
BIGFONTPROTO="xf86bigfontproto >= 1.2.0"
XCALIBRATEPROTO="xcalibrateproto"
diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 48618e1..3099ad8 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -52,6 +52,13 @@ static DevPrivateKey dri2WindowPrivateKey = &dri2WindowPrivateKeyIndex;
static int dri2PixmapPrivateKeyIndex;
static DevPrivateKey dri2PixmapPrivateKey = &dri2PixmapPrivateKeyIndex;
+typedef struct _DRI2ClientRef *DRI2ClientRefPtr;
+
+struct _DRI2ClientRef {
+ DRI2ClientRefPtr next;
+ XID resource;
+};
+
typedef struct _DRI2Drawable {
unsigned int refCount;
int width;
@@ -65,6 +72,8 @@ typedef struct _DRI2Drawable {
CARD64 target_sbc; /* -1 means no SBC wait outstanding */
CARD64 last_swap_target; /* most recently queued swap target */
int swap_limit; /* for N-buffering */
+ DRI2ClientRefPtr track_clients; /* Clients to notify on drawable changes. */
+
} DRI2DrawableRec, *DRI2DrawablePtr;
typedef struct _DRI2Screen *DRI2ScreenPtr;
@@ -84,6 +93,8 @@ typedef struct _DRI2Screen {
DRI2ScheduleWaitMSCProcPtr ScheduleWaitMSC;
HandleExposuresProcPtr HandleExposures;
+
+ PreConfigureWindowProcPtr PreConfigureWindow;
} DRI2ScreenRec;
static DRI2ScreenPtr
@@ -143,6 +154,7 @@ DRI2CreateDrawable(DrawablePtr pDraw)
pPriv->swap_interval = 1;
pPriv->last_swap_target = -1;
pPriv->swap_limit = 1; /* default to double buffering */
+ pPriv->track_clients = NULL;
if (pDraw->type == DRAWABLE_WINDOW)
{
@@ -405,6 +417,78 @@ DRI2BlockClient(ClientPtr client, DrawablePtr pDraw)
}
}
+extern RESTYPE dri2DrawableRes;
+
+int
+DRI2TrackClient(DrawablePtr pDraw, int id)
+{
+ DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw);
+ DRI2ClientRefPtr ref;
+
+ if (pPriv == NULL)
+ return BadDrawable;
+
+ /* Check if the client is already in. */
+ for (ref = pPriv->track_clients; ref; ref = ref->next) {
+ if (CLIENT_ID(ref->resource) == id)
+ return Success;
+ }
+
+ /* Allocate a client ref. */
+ ref = xalloc(sizeof(*ref));
+ if (ref == NULL)
+ return BadAlloc;
+
+ ref->next = pPriv->track_clients;
+ pPriv->track_clients = ref;
+
+ /* Allocate a resource for it. */
+ ref->resource = FakeClientID(id);
+ if (!AddResource(ref->resource, dri2DrawableRes, pDraw))
+ return BadAlloc;
+
+ return Success;
+}
+
+void
+DRI2UntrackClient(DrawablePtr pDraw, int id)
+{
+ DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw);
+ DRI2ClientRefPtr ref, *prev;
+
+ if (pPriv == NULL)
+ return;
+
+ prev = &pPriv->track_clients;
+
+ for (ref = *prev; ref; prev = &ref->next, ref = ref->next) {
+ if (CLIENT_ID(ref->resource) == id) {
+ *prev = ref->next;
+ xfree(ref);
+ break;
+ }
+ }
+}
+
+void
+DRI2InvalidateDrawable(DrawablePtr pDraw)
+{
+ DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw);
+ DRI2ClientRefPtr ref;
+
+ if (pPriv == NULL)
+ return;
+
+ while ((ref = pPriv->track_clients)) {
+ ClientPtr client = clients[CLIENT_ID(ref->resource)];
+
+ FreeResource(ref->resource, RT_NONE);
+
+ if (client && !client->clientGone)
+ DRI2InvalidateBuffersEvent(pDraw, client);
+ }
+}
+
int
DRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
unsigned int dest, unsigned int src)
@@ -758,6 +842,7 @@ DRI2DestroyDrawable(DrawablePtr pDraw)
{
DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
DRI2DrawablePtr pPriv;
+ DRI2ClientRefPtr ref;
pPriv = DRI2GetDrawable(pDraw);
if (pPriv == NULL)
@@ -776,6 +861,9 @@ DRI2DestroyDrawable(DrawablePtr pDraw)
xfree(pPriv->buffers);
}
+ while ((ref = pPriv->track_clients))
+ FreeResource(ref->resource, RT_NONE);
+
/* If the window is destroyed while we have a swap pending, don't
* actually free the priv yet. We'll need it in the DRI2SwapComplete()
* callback and we'll free it there once we're done. */
@@ -811,6 +899,24 @@ DRI2Authenticate(ScreenPtr pScreen, drm_magic_t magic)
return TRUE;
}
+static void
+DRI2PreConfigureWindow(WindowPtr pWin, int x, int y, int w, int h, int bw,
+ WindowPtr pSib)
+{
+ DrawablePtr pDraw = (DrawablePtr)pWin;
+ ScreenPtr pScreen = pDraw->pScreen;
+ DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
+ DRI2DrawablePtr dd = DRI2GetDrawable(pDraw);
+
+ if (ds->PreConfigureWindow)
+ (*ds->PreConfigureWindow)(pWin, x, y, w, h, bw, pSib);
+
+ if (!dd || (dd->width == w && dd->height == h))
+ return;
+
+ DRI2InvalidateDrawable(pDraw);
+}
+
Bool
DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
{
@@ -869,6 +975,9 @@ DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, ds);
+ ds->PreConfigureWindow = pScreen->PreConfigureWindow;
+ pScreen->PreConfigureWindow = DRI2PreConfigureWindow;
+
xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] Setup complete\n");
for (i = 0; i < sizeof(driverTypeNames) / sizeof(driverTypeNames[0]); i++) {
if (i < ds->numDrivers && ds->driverNames[i]) {
diff --git a/hw/xfree86/dri2/dri2.h b/hw/xfree86/dri2/dri2.h
index 1c8626b..59bab70 100644
--- a/hw/xfree86/dri2/dri2.h
+++ b/hw/xfree86/dri2/dri2.h
@@ -265,4 +265,9 @@ extern _X_EXPORT void DRI2WaitMSCComplete(ClientPtr client, DrawablePtr pDraw,
int frame, unsigned int tv_sec,
unsigned int tv_usec);
+extern _X_EXPORT int DRI2TrackClient(DrawablePtr pDraw, int id);
+extern _X_EXPORT void DRI2UntrackClient(DrawablePtr pDraw, int id);
+extern _X_EXPORT void DRI2InvalidateBuffersEvent(DrawablePtr pDraw, ClientPtr client);
+extern _X_EXPORT void DRI2InvalidateDrawable(DrawablePtr pDraw);
+
#endif
diff --git a/hw/xfree86/dri2/dri2ext.c b/hw/xfree86/dri2/dri2ext.c
index 3e6b03e..713c82e 100644
--- a/hw/xfree86/dri2/dri2ext.c
+++ b/hw/xfree86/dri2/dri2ext.c
@@ -51,7 +51,7 @@
#include "xf86Module.h"
static ExtensionEntry *dri2Extension;
-static RESTYPE dri2DrawableRes;
+RESTYPE dri2DrawableRes;
static Bool
validDrawable(ClientPtr client, XID drawable, Mask access_mode,
@@ -266,6 +266,9 @@ ProcDRI2GetBuffers(ClientPtr client)
buffers = DRI2GetBuffers(pDrawable, &width, &height,
attachments, stuff->count, &count);
+ status = DRI2TrackClient(pDrawable, client->index);
+ if (status)
+ return status;
send_buffers_reply(client, pDrawable, buffers, count, width, height);
@@ -293,6 +296,10 @@ ProcDRI2GetBuffersWithFormat(ClientPtr client)
buffers = DRI2GetBuffersWithFormat(pDrawable, &width, &height,
attachments, stuff->count, &count);
+ status = DRI2TrackClient(pDrawable, client->index);
+ if (status)
+ return status;
+
send_buffers_reply(client, pDrawable, buffers, count, width, height);
return client->noClientException;
@@ -367,6 +374,18 @@ DRI2SwapEvent(ClientPtr client, void *data, int type, CARD64 ust, CARD64 msc,
WriteEventsToClient(client, 1, (xEvent *)&event);
}
+void
+DRI2InvalidateBuffersEvent(DrawablePtr pDraw, ClientPtr client)
+{
+ xDRI2InvalidateBuffers event;
+
+ event.type = DRI2EventBase + DRI2_InvalidateBuffers;
+ event.sequenceNumber = client->sequence;
+ event.drawable = pDraw->id;
+
+ WriteEventsToClient(client, 1, (xEvent *)&event);
+}
+
static int
ProcDRI2SwapBuffers(ClientPtr client)
{
@@ -391,6 +410,8 @@ ProcDRI2SwapBuffers(ClientPtr client)
if (status != Success)
return BadDrawable;
+ DRI2InvalidateDrawable(pDrawable);
+
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
@@ -618,11 +639,17 @@ SProcDRI2Dispatch (ClientPtr client)
}
}
-static int DRI2DrawableGone(pointer p, XID id)
+static int
+DRI2DrawableGone(pointer p, XID id)
{
- DrawablePtr pDrawable = p;
+ DrawablePtr pDraw = p;
- DRI2DestroyDrawable(pDrawable);
+ if (pDraw->id != id) {
+ /* Secondary reference. */
+ DRI2UntrackClient(pDraw, CLIENT_ID(id));
+ } else {
+ DRI2DestroyDrawable(pDraw);
+ }
return Success;
}
diff --git a/include/protocol-versions.h b/include/protocol-versions.h
index c74b7fa..c425eef 100644
--- a/include/protocol-versions.h
+++ b/include/protocol-versions.h
@@ -53,7 +53,7 @@
/* DRI2 */
#define SERVER_DRI2_MAJOR_VERSION 1
-#define SERVER_DRI2_MINOR_VERSION 2
+#define SERVER_DRI2_MINOR_VERSION 3
/* Generic event extension */
#define SERVER_GE_MAJOR_VERSION 1
--
1.6.4.4
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