aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/dri2
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86/dri2')
-rw-r--r--xorg-server/hw/xfree86/dri2/dri2.c403
-rw-r--r--xorg-server/hw/xfree86/dri2/dri2.h129
-rw-r--r--xorg-server/hw/xfree86/dri2/dri2ext.c217
3 files changed, 740 insertions, 9 deletions
diff --git a/xorg-server/hw/xfree86/dri2/dri2.c b/xorg-server/hw/xfree86/dri2/dri2.c
index d15ced112..3db826e91 100644
--- a/xorg-server/hw/xfree86/dri2/dri2.c
+++ b/xorg-server/hw/xfree86/dri2/dri2.c
@@ -34,10 +34,12 @@
#include <xorg-config.h>
#endif
+#include <errno.h>
#include <xf86drm.h>
#include "xf86Module.h"
#include "scrnintstr.h"
#include "windowstr.h"
+#include "dixstruct.h"
#include "dri2.h"
#include "xf86VGAarbiter.h"
@@ -56,9 +58,17 @@ typedef struct _DRI2Drawable {
int height;
DRI2BufferPtr *buffers;
int bufferCount;
- unsigned int pendingSequence;
+ unsigned int swapsPending;
+ ClientPtr blockedClient;
+ int swap_interval;
+ CARD64 swap_count;
+ CARD64 target_sbc; /* -1 means no SBC wait outstanding */
+ CARD64 last_swap_target; /* most recently queued swap target */
+ int swap_limit; /* for N-buffering */
} DRI2DrawableRec, *DRI2DrawablePtr;
+typedef struct _DRI2Screen *DRI2ScreenPtr;
+
typedef struct _DRI2Screen {
const char *driverName;
const char *deviceName;
@@ -68,9 +78,12 @@ typedef struct _DRI2Screen {
DRI2CreateBufferProcPtr CreateBuffer;
DRI2DestroyBufferProcPtr DestroyBuffer;
DRI2CopyRegionProcPtr CopyRegion;
+ DRI2ScheduleSwapProcPtr ScheduleSwap;
+ DRI2GetMSCProcPtr GetMSC;
+ DRI2ScheduleWaitMSCProcPtr ScheduleWaitMSC;
HandleExposuresProcPtr HandleExposures;
-} DRI2ScreenRec, *DRI2ScreenPtr;
+} DRI2ScreenRec;
static DRI2ScreenPtr
DRI2GetScreen(ScreenPtr pScreen)
@@ -84,6 +97,9 @@ DRI2GetDrawable(DrawablePtr pDraw)
WindowPtr pWin;
PixmapPtr pPixmap;
+ if (!pDraw)
+ return NULL;
+
if (pDraw->type == DRAWABLE_WINDOW)
{
pWin = (WindowPtr) pDraw;
@@ -119,6 +135,13 @@ DRI2CreateDrawable(DrawablePtr pDraw)
pPriv->height = pDraw->height;
pPriv->buffers = NULL;
pPriv->bufferCount = 0;
+ pPriv->swapsPending = 0;
+ pPriv->blockedClient = NULL;
+ pPriv->swap_count = 0;
+ pPriv->target_sbc = -1;
+ pPriv->swap_interval = 1;
+ pPriv->last_swap_target = -1;
+ pPriv->swap_limit = 1; /* default to double buffering */
if (pDraw->type == DRAWABLE_WINDOW)
{
@@ -308,6 +331,50 @@ DRI2GetBuffersWithFormat(DrawablePtr pDraw, int *width, int *height,
out_count, TRUE);
}
+/*
+ * In the direct rendered case, we throttle the clients that have more
+ * than their share of outstanding swaps (and thus busy buffers) when a
+ * new GetBuffers request is received. In the AIGLX case, we allow the
+ * client to get the new buffers, but throttle when the next GLX request
+ * comes in (see __glXDRIcontextWait()).
+ */
+Bool
+DRI2ThrottleClient(ClientPtr client, DrawablePtr pDraw)
+{
+ DRI2DrawablePtr pPriv;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL)
+ return FALSE;
+
+ /* Throttle to swap limit */
+ if ((pPriv->swapsPending >= pPriv->swap_limit) &&
+ !pPriv->blockedClient) {
+ ResetCurrentRequest(client);
+ client->sequence--;
+ IgnoreClient(client);
+ pPriv->blockedClient = client;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+void
+DRI2BlockClient(ClientPtr client, DrawablePtr pDraw)
+{
+ DRI2DrawablePtr pPriv;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL)
+ return;
+
+ if (pPriv->blockedClient == NULL) {
+ IgnoreClient(client);
+ pPriv->blockedClient = client;
+ }
+}
+
int
DRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
unsigned int dest, unsigned int src)
@@ -338,6 +405,324 @@ DRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
return Success;
}
+/* Can this drawable be page flipped? */
+Bool
+DRI2CanFlip(DrawablePtr pDraw)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ WindowPtr pWin, pRoot;
+ PixmapPtr pWinPixmap, pRootPixmap;
+
+ if (pDraw->type == DRAWABLE_PIXMAP)
+ return TRUE;
+
+ pRoot = WindowTable[pScreen->myNum];
+ pRootPixmap = pScreen->GetWindowPixmap(pRoot);
+
+ pWin = (WindowPtr) pDraw;
+ pWinPixmap = pScreen->GetWindowPixmap(pWin);
+ if (pRootPixmap != pWinPixmap)
+ return FALSE;
+ if (!REGION_EQUAL(pScreen, &pWin->clipList, &pRoot->winSize))
+ return FALSE;
+
+ return TRUE;
+}
+
+/* Can we do a pixmap exchange instead of a blit? */
+Bool
+DRI2CanExchange(DrawablePtr pDraw)
+{
+ return FALSE;
+}
+
+void
+DRI2WaitMSCComplete(ClientPtr client, DrawablePtr pDraw, int frame,
+ unsigned int tv_sec, unsigned int tv_usec)
+{
+ DRI2DrawablePtr pPriv;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL)
+ return;
+
+ ProcDRI2WaitMSCReply(client, ((CARD64)tv_sec * 1000000) + tv_usec,
+ frame, pPriv->swap_count);
+
+ if (pPriv->blockedClient)
+ AttendClient(pPriv->blockedClient);
+
+ pPriv->blockedClient = NULL;
+}
+
+static void
+DRI2WakeClient(ClientPtr client, DrawablePtr pDraw, int frame,
+ unsigned int tv_sec, unsigned int tv_usec)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ DRI2DrawablePtr pPriv;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: bad drawable\n", __func__);
+ return;
+ }
+
+ /*
+ * Swap completed. Either wake up an SBC waiter or a client that was
+ * blocked due to GLX activity during a swap.
+ */
+ if (pPriv->target_sbc != -1 &&
+ pPriv->target_sbc >= pPriv->swap_count) {
+ ProcDRI2WaitMSCReply(client, ((CARD64)tv_sec * 1000000) + tv_usec,
+ frame, pPriv->swap_count);
+ pPriv->target_sbc = -1;
+
+ AttendClient(pPriv->blockedClient);
+ pPriv->blockedClient = NULL;
+ } else if (pPriv->target_sbc == -1) {
+ if (pPriv->blockedClient)
+ AttendClient(pPriv->blockedClient);
+ pPriv->blockedClient = NULL;
+ }
+}
+
+void
+DRI2SwapComplete(ClientPtr client, DrawablePtr pDraw, int frame,
+ unsigned int tv_sec, unsigned int tv_usec, int type,
+ DRI2SwapEventPtr swap_complete, void *swap_data)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ DRI2DrawablePtr pPriv;
+ CARD64 ust = 0;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: bad drawable\n", __func__);
+ return;
+ }
+
+ if (pPriv->refCount == 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: bad drawable refcount\n", __func__);
+ xfree(pPriv);
+ return;
+ }
+
+ ust = ((CARD64)tv_sec * 1000000) + tv_usec;
+ if (swap_complete)
+ swap_complete(client, swap_data, type, ust, frame, pPriv->swap_count);
+
+ pPriv->swapsPending--;
+ pPriv->swap_count++;
+
+ DRI2WakeClient(client, pDraw, frame, tv_sec, tv_usec);
+}
+
+Bool
+DRI2WaitSwap(ClientPtr client, DrawablePtr pDrawable)
+{
+ DRI2DrawablePtr pPriv = DRI2GetDrawable(pDrawable);
+
+ /* If we're currently waiting for a swap on this drawable, reset
+ * the request and suspend the client. We only support one
+ * blocked client per drawable. */
+ if ((pPriv->swapsPending) &&
+ pPriv->blockedClient == NULL) {
+ ResetCurrentRequest(client);
+ client->sequence--;
+ DRI2BlockClient(client, pDrawable);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int
+DRI2SwapBuffers(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc,
+ CARD64 divisor, CARD64 remainder, CARD64 *swap_target,
+ DRI2SwapEventPtr func, void *data)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
+ DRI2DrawablePtr pPriv;
+ DRI2BufferPtr pDestBuffer = NULL, pSrcBuffer = NULL;
+ CARD64 ust;
+ int ret, i;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: bad drawable\n", __func__);
+ return BadDrawable;
+ }
+
+ for (i = 0; i < pPriv->bufferCount; i++) {
+ if (pPriv->buffers[i]->attachment == DRI2BufferFrontLeft)
+ pDestBuffer = (DRI2BufferPtr) pPriv->buffers[i];
+ if (pPriv->buffers[i]->attachment == DRI2BufferBackLeft)
+ pSrcBuffer = (DRI2BufferPtr) pPriv->buffers[i];
+ }
+ if (pSrcBuffer == NULL || pDestBuffer == NULL) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: drawable has no back or front?\n", __func__);
+ return BadDrawable;
+ }
+
+ /* Old DDX, just blit */
+ if (!ds->ScheduleSwap) {
+ BoxRec box;
+ RegionRec region;
+
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = pDraw->width;
+ box.y2 = pDraw->height;
+ REGION_INIT(pScreen, &region, &box, 0);
+
+ pPriv->swapsPending++;
+
+ (*ds->CopyRegion)(pDraw, &region, pDestBuffer, pSrcBuffer);
+ DRI2SwapComplete(client, pDraw, target_msc, 0, 0, DRI2_BLIT_COMPLETE,
+ func, data);
+ return Success;
+ }
+
+ /*
+ * In the simple glXSwapBuffers case, all params will be 0, and we just
+ * need to schedule a swap for the last swap target + the swap interval.
+ * If the last swap target hasn't been set yet, call into the driver
+ * to get the current count.
+ */
+ if (target_msc == 0 && divisor == 0 && remainder == 0 &&
+ pPriv->last_swap_target < 0) {
+ ret = (*ds->GetMSC)(pDraw, &ust, &target_msc);
+ if (!ret) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: driver failed to return current MSC\n",
+ __func__);
+ return BadDrawable;
+ }
+ }
+
+ /* First swap needs to initialize last_swap_target */
+ if (pPriv->last_swap_target < 0)
+ pPriv->last_swap_target = target_msc;
+
+ /*
+ * Swap target for this swap is last swap target + swap interval since
+ * we have to account for the current swap count, interval, and the
+ * number of pending swaps.
+ */
+ *swap_target = pPriv->last_swap_target + pPriv->swap_interval;
+
+ ret = (*ds->ScheduleSwap)(client, pDraw, pDestBuffer, pSrcBuffer,
+ swap_target, divisor, remainder, func, data);
+ if (!ret) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: driver failed to schedule swap\n", __func__);
+ return BadDrawable;
+ }
+
+ pPriv->swapsPending++;
+ pPriv->last_swap_target = *swap_target;
+
+ return Success;
+}
+
+void
+DRI2SwapInterval(DrawablePtr pDrawable, int interval)
+{
+ DRI2DrawablePtr pPriv = DRI2GetDrawable(pDrawable);
+
+ /* fixme: check against arbitrary max? */
+
+ pPriv->swap_interval = interval;
+}
+
+int
+DRI2GetMSC(DrawablePtr pDraw, CARD64 *ust, CARD64 *msc, CARD64 *sbc)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
+ DRI2DrawablePtr pPriv;
+ Bool ret;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI2] %s: bad drawable\n", __func__);
+ return BadDrawable;
+ }
+
+ if (!ds->GetMSC) {
+ *ust = 0;
+ *msc = 0;
+ *sbc = pPriv->swap_count;
+ return Success;
+ }
+
+ /*
+ * Spec needs to be updated to include unmapped or redirected
+ * drawables
+ */
+
+ ret = (*ds->GetMSC)(pDraw, ust, msc);
+ if (!ret)
+ return BadDrawable;
+
+ *sbc = pPriv->swap_count;
+
+ return Success;
+}
+
+int
+DRI2WaitMSC(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc,
+ CARD64 divisor, CARD64 remainder)
+{
+ DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
+ DRI2DrawablePtr pPriv;
+ Bool ret;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL)
+ return BadDrawable;
+
+ /* Old DDX just completes immediately */
+ if (!ds->ScheduleWaitMSC) {
+ DRI2WaitMSCComplete(client, pDraw, target_msc, 0, 0);
+
+ return Success;
+ }
+
+ ret = (*ds->ScheduleWaitMSC)(client, pDraw, target_msc, divisor, remainder);
+ if (!ret)
+ return BadDrawable;
+
+ return Success;
+}
+
+int
+DRI2WaitSBC(ClientPtr client, DrawablePtr pDraw, CARD64 target_sbc,
+ CARD64 *ust, CARD64 *msc, CARD64 *sbc)
+{
+ DRI2DrawablePtr pPriv;
+
+ pPriv = DRI2GetDrawable(pDraw);
+ if (pPriv == NULL)
+ return BadDrawable;
+
+ if (pPriv->swap_count >= target_sbc)
+ return Success;
+
+ pPriv->target_sbc = target_sbc;
+ DRI2BlockClient(client, pDraw);
+
+ return Success;
+}
+
void
DRI2DestroyDrawable(DrawablePtr pDraw)
{
@@ -363,7 +748,11 @@ DRI2DestroyDrawable(DrawablePtr pDraw)
xfree(pPriv->buffers);
}
- xfree(pPriv);
+ /* 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. */
+ if (!pPriv->swapsPending)
+ xfree(pPriv);
if (pDraw->type == DRAWABLE_WINDOW)
{
@@ -421,7 +810,7 @@ DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
return FALSE;
}
- ds = xalloc(sizeof *ds);
+ ds = xcalloc(1, sizeof *ds);
if (!ds)
return FALSE;
@@ -433,6 +822,12 @@ DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
ds->DestroyBuffer = info->DestroyBuffer;
ds->CopyRegion = info->CopyRegion;
+ if (info->version >= 4) {
+ ds->ScheduleSwap = info->ScheduleSwap;
+ ds->ScheduleWaitMSC = info->ScheduleWaitMSC;
+ ds->GetMSC = info->GetMSC;
+ }
+
dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, ds);
xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] Setup complete\n");
diff --git a/xorg-server/hw/xfree86/dri2/dri2.h b/xorg-server/hw/xfree86/dri2/dri2.h
index 175471aae..dd59297df 100644
--- a/xorg-server/hw/xfree86/dri2/dri2.h
+++ b/xorg-server/hw/xfree86/dri2/dri2.h
@@ -47,6 +47,9 @@ typedef struct {
} DRI2BufferRec, *DRI2BufferPtr;
typedef DRI2BufferRec DRI2Buffer2Rec, *DRI2Buffer2Ptr;
+typedef void (*DRI2SwapEventPtr)(ClientPtr client, void *data, int type,
+ CARD64 ust, CARD64 msc, CARD64 sbc);
+
typedef DRI2BufferPtr (*DRI2CreateBuffersProcPtr)(DrawablePtr pDraw,
unsigned int *attachments,
@@ -58,20 +61,98 @@ typedef void (*DRI2CopyRegionProcPtr)(DrawablePtr pDraw,
RegionPtr pRegion,
DRI2BufferPtr pDestBuffer,
DRI2BufferPtr pSrcBuffer);
-
typedef void (*DRI2WaitProcPtr)(WindowPtr pWin,
unsigned int sequence);
-
+/**
+ * Schedule a buffer swap
+ *
+ * This callback is used to support glXSwapBuffers and the OML_sync_control
+ * extension (see it for a description of the params).
+ *
+ * Drivers should queue an event for the frame count that satisfies the
+ * parameters passed in. If the event is in the future (i.e. the conditions
+ * aren't currently satisfied), the server may block the client at the next
+ * GLX request using DRI2WaitSwap. When the event arrives, drivers should call
+ * \c DRI2SwapComplete, which will handle waking the client and returning
+ * the appropriate data.
+ *
+ * The DDX is responsible for doing a flip, exchange, or blit of the swap
+ * when the corresponding event arrives. The \c DRI2CanFlip and
+ * \c DRI2CanExchange functions can be used as helpers for this purpose.
+ *
+ * \param client client pointer (used for block/unblock)
+ * \param pDraw drawable whose count we want
+ * \param pDestBuffer current front buffer
+ * \param pSrcBuffer current back buffer
+ * \param target_msc frame count to wait for
+ * \param divisor divisor for condition equation
+ * \param remainder remainder for division equation
+ * \param func function to call when the swap completes
+ * \param data data for the callback \p func.
+ */
+typedef int (*DRI2ScheduleSwapProcPtr)(ClientPtr client,
+ DrawablePtr pDraw,
+ DRI2BufferPtr pDestBuffer,
+ DRI2BufferPtr pSrcBuffer,
+ CARD64 *target_msc,
+ CARD64 divisor,
+ CARD64 remainder,
+ DRI2SwapEventPtr func,
+ void *data);
typedef DRI2BufferPtr (*DRI2CreateBufferProcPtr)(DrawablePtr pDraw,
unsigned int attachment,
unsigned int format);
typedef void (*DRI2DestroyBufferProcPtr)(DrawablePtr pDraw,
DRI2BufferPtr buffer);
-
+/**
+ * Get current media stamp counter values
+ *
+ * This callback is used to support the SGI_video_sync and OML_sync_control
+ * extensions.
+ *
+ * Drivers should return the current frame counter and the timestamp from
+ * when the returned frame count was last incremented.
+ *
+ * The count should correspond to the screen where the drawable is currently
+ * visible. If the drawable isn't visible (e.g. redirected), the server
+ * should return BadDrawable to the client, pending GLX spec updates to
+ * define this behavior.
+ *
+ * \param pDraw drawable whose count we want
+ * \param ust timestamp from when the count was last incremented.
+ * \param mst current frame count
+ */
+typedef int (*DRI2GetMSCProcPtr)(DrawablePtr pDraw, CARD64 *ust,
+ CARD64 *msc);
+/**
+ * Schedule a frame count related wait
+ *
+ * This callback is used to support the SGI_video_sync and OML_sync_control
+ * extensions. See those specifications for details on how to handle
+ * the divisor and remainder parameters.
+ *
+ * Drivers should queue an event for the frame count that satisfies the
+ * parameters passed in. If the event is in the future (i.e. the conditions
+ * aren't currently satisfied), the driver should block the client using
+ * \c DRI2BlockClient. When the event arrives, drivers should call
+ * \c DRI2WaitMSCComplete, which will handle waking the client and returning
+ * the appropriate data.
+ *
+ * \param client client pointer (used for block/unblock)
+ * \param pDraw drawable whose count we want
+ * \param target_msc frame count to wait for
+ * \param divisor divisor for condition equation
+ * \param remainder remainder for division equation
+ */
+typedef int (*DRI2ScheduleWaitMSCProcPtr)(ClientPtr client,
+ DrawablePtr pDraw,
+ CARD64 target_msc,
+ CARD64 divisor,
+ CARD64 remainder);
/**
* Version of the DRI2InfoRec structure defined in this header
*/
-#define DRI2INFOREC_VERSION 3
+#define DRI2INFOREC_VERSION 4
typedef struct {
unsigned int version; /**< Version of this struct */
@@ -83,9 +164,13 @@ typedef struct {
DRI2DestroyBufferProcPtr DestroyBuffer;
DRI2CopyRegionProcPtr CopyRegion;
DRI2WaitProcPtr Wait;
-
+ DRI2ScheduleSwapProcPtr ScheduleSwap;
+ DRI2GetMSCProcPtr GetMSC;
+ DRI2ScheduleWaitMSCProcPtr ScheduleWaitMSC;
} DRI2InfoRec, *DRI2InfoPtr;
+extern _X_EXPORT int DRI2EventBase;
+
extern _X_EXPORT Bool DRI2ScreenInit(ScreenPtr pScreen,
DRI2InfoPtr info);
@@ -137,4 +222,38 @@ extern _X_EXPORT DRI2BufferPtr *DRI2GetBuffersWithFormat(DrawablePtr pDraw,
int *width, int *height, unsigned int *attachments, int count,
int *out_count);
+extern _X_EXPORT void DRI2SwapInterval(DrawablePtr pDrawable, int interval);
+extern _X_EXPORT int DRI2SwapBuffers(ClientPtr client, DrawablePtr pDrawable,
+ CARD64 target_msc, CARD64 divisor,
+ CARD64 remainder, CARD64 *swap_target,
+ DRI2SwapEventPtr func, void *data);
+extern _X_EXPORT Bool DRI2WaitSwap(ClientPtr client, DrawablePtr pDrawable);
+
+extern _X_EXPORT int DRI2GetMSC(DrawablePtr pDrawable, CARD64 *ust,
+ CARD64 *msc, CARD64 *sbc);
+extern _X_EXPORT int DRI2WaitMSC(ClientPtr client, DrawablePtr pDrawable,
+ CARD64 target_msc, CARD64 divisor,
+ CARD64 remainder);
+extern _X_EXPORT int ProcDRI2WaitMSCReply(ClientPtr client, CARD64 ust,
+ CARD64 msc, CARD64 sbc);
+extern _X_EXPORT int DRI2WaitSBC(ClientPtr client, DrawablePtr pDraw,
+ CARD64 target_sbc, CARD64 *ust, CARD64 *msc,
+ CARD64 *sbc);
+extern _X_EXPORT Bool DRI2ThrottleClient(ClientPtr client, DrawablePtr pDraw);
+
+extern _X_EXPORT Bool DRI2CanFlip(DrawablePtr pDraw);
+
+extern _X_EXPORT Bool DRI2CanExchange(DrawablePtr pDraw);
+
+extern _X_EXPORT void DRI2BlockClient(ClientPtr client, DrawablePtr pDraw);
+
+extern _X_EXPORT void DRI2SwapComplete(ClientPtr client, DrawablePtr pDraw,
+ int frame, unsigned int tv_sec,
+ unsigned int tv_usec, int type,
+ DRI2SwapEventPtr swap_complete,
+ void *swap_data);
+extern _X_EXPORT void DRI2WaitMSCComplete(ClientPtr client, DrawablePtr pDraw,
+ int frame, unsigned int tv_sec,
+ unsigned int tv_usec);
+
#endif
diff --git a/xorg-server/hw/xfree86/dri2/dri2ext.c b/xorg-server/hw/xfree86/dri2/dri2ext.c
index 7d6064acb..3e6b03e4e 100644
--- a/xorg-server/hw/xfree86/dri2/dri2ext.c
+++ b/xorg-server/hw/xfree86/dri2/dri2ext.c
@@ -259,6 +259,9 @@ ProcDRI2GetBuffers(ClientPtr client)
&pDrawable, &status))
return status;
+ if (DRI2ThrottleClient(client, pDrawable))
+ return client->noClientException;
+
attachments = (unsigned int *) &stuff[1];
buffers = DRI2GetBuffers(pDrawable, &width, &height,
attachments, stuff->count, &count);
@@ -283,6 +286,9 @@ ProcDRI2GetBuffersWithFormat(ClientPtr client)
&pDrawable, &status))
return status;
+ if (DRI2ThrottleClient(client, pDrawable))
+ return client->noClientException;
+
attachments = (unsigned int *) &stuff[1];
buffers = DRI2GetBuffersWithFormat(pDrawable, &width, &height,
attachments, stuff->count, &count);
@@ -329,6 +335,204 @@ ProcDRI2CopyRegion(ClientPtr client)
return client->noClientException;
}
+static void
+load_swap_reply(xDRI2SwapBuffersReply *rep, CARD64 sbc)
+{
+ rep->swap_hi = sbc >> 32;
+ rep->swap_lo = sbc & 0xffffffff;
+}
+
+static CARD64
+vals_to_card64(CARD32 lo, CARD32 hi)
+{
+ return (CARD64)hi << 32 | lo;
+}
+
+static void
+DRI2SwapEvent(ClientPtr client, void *data, int type, CARD64 ust, CARD64 msc,
+ CARD64 sbc)
+{
+ xDRI2BufferSwapComplete event;
+
+ event.type = DRI2EventBase + DRI2_BufferSwapComplete;
+ event.sequenceNumber = client->sequence;
+ event.event_type = type;
+ event.ust_hi = (CARD64)ust >> 32;
+ 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;
+
+ WriteEventsToClient(client, 1, (xEvent *)&event);
+}
+
+static int
+ProcDRI2SwapBuffers(ClientPtr client)
+{
+ REQUEST(xDRI2SwapBuffersReq);
+ xDRI2SwapBuffersReply rep;
+ DrawablePtr pDrawable;
+ CARD64 target_msc, divisor, remainder, swap_target;
+ int status;
+
+ REQUEST_SIZE_MATCH(xDRI2SwapBuffersReq);
+
+ if (!validDrawable(client, stuff->drawable,
+ DixReadAccess | DixWriteAccess, &pDrawable, &status))
+ return status;
+
+ target_msc = vals_to_card64(stuff->target_msc_lo, stuff->target_msc_hi);
+ divisor = vals_to_card64(stuff->divisor_lo, stuff->divisor_hi);
+ remainder = vals_to_card64(stuff->remainder_lo, stuff->remainder_hi);
+
+ status = DRI2SwapBuffers(client, pDrawable, target_msc, divisor, remainder,
+ &swap_target, DRI2SwapEvent, pDrawable);
+ if (status != Success)
+ return BadDrawable;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ load_swap_reply(&rep, swap_target);
+
+ WriteToClient(client, sizeof(xDRI2SwapBuffersReply), &rep);
+
+ return client->noClientException;
+}
+
+static void
+load_msc_reply(xDRI2MSCReply *rep, CARD64 ust, CARD64 msc, CARD64 sbc)
+{
+ rep->ust_hi = ust >> 32;
+ rep->ust_lo = ust & 0xffffffff;
+ rep->msc_hi = msc >> 32;
+ rep->msc_lo = msc & 0xffffffff;
+ rep->sbc_hi = sbc >> 32;
+ rep->sbc_lo = sbc & 0xffffffff;
+}
+
+static int
+ProcDRI2GetMSC(ClientPtr client)
+{
+ REQUEST(xDRI2GetMSCReq);
+ xDRI2MSCReply rep;
+ DrawablePtr pDrawable;
+ CARD64 ust, msc, sbc;
+ int status;
+
+ REQUEST_SIZE_MATCH(xDRI2GetMSCReq);
+
+ if (!validDrawable(client, stuff->drawable, DixReadAccess, &pDrawable,
+ &status))
+ return status;
+
+ status = DRI2GetMSC(pDrawable, &ust, &msc, &sbc);
+ if (status != Success)
+ return status;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ load_msc_reply(&rep, ust, msc, sbc);
+
+ WriteToClient(client, sizeof(xDRI2MSCReply), &rep);
+
+ return client->noClientException;
+}
+
+static int
+ProcDRI2WaitMSC(ClientPtr client)
+{
+ REQUEST(xDRI2WaitMSCReq);
+ DrawablePtr pDrawable;
+ CARD64 target, divisor, remainder;
+ int status;
+
+ /* FIXME: in restart case, client may be gone at this point */
+
+ REQUEST_SIZE_MATCH(xDRI2WaitMSCReq);
+
+ if (!validDrawable(client, stuff->drawable, DixReadAccess, &pDrawable,
+ &status))
+ return status;
+
+ target = vals_to_card64(stuff->target_msc_lo, stuff->target_msc_hi);
+ divisor = vals_to_card64(stuff->divisor_lo, stuff->divisor_hi);
+ remainder = vals_to_card64(stuff->remainder_lo, stuff->remainder_hi);
+
+ status = DRI2WaitMSC(client, pDrawable, target, divisor, remainder);
+ if (status != Success)
+ return status;
+
+ return client->noClientException;
+}
+
+int
+ProcDRI2WaitMSCReply(ClientPtr client, CARD64 ust, CARD64 msc, CARD64 sbc)
+{
+ xDRI2MSCReply rep;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ load_msc_reply(&rep, ust, msc, sbc);
+
+ WriteToClient(client, sizeof(xDRI2MSCReply), &rep);
+
+ return client->noClientException;
+}
+
+static int
+ProcDRI2SwapInterval(ClientPtr client)
+{
+ REQUEST(xDRI2SwapIntervalReq);
+ DrawablePtr pDrawable;
+ int status;
+
+ /* FIXME: in restart case, client may be gone at this point */
+
+ REQUEST_SIZE_MATCH(xDRI2SwapIntervalReq);
+
+ if (!validDrawable(client, stuff->drawable, DixReadAccess | DixWriteAccess,
+ &pDrawable, &status))
+ return status;
+
+ DRI2SwapInterval(pDrawable, stuff->interval);
+
+ return client->noClientException;
+}
+
+static int
+ProcDRI2WaitSBC(ClientPtr client)
+{
+ REQUEST(xDRI2WaitSBCReq);
+ xDRI2MSCReply rep;
+ DrawablePtr pDrawable;
+ CARD64 target, ust, msc, sbc;
+ int status;
+
+ REQUEST_SIZE_MATCH(xDRI2WaitSBCReq);
+
+ if (!validDrawable(client, stuff->drawable, DixReadAccess, &pDrawable,
+ &status))
+ return status;
+
+ target = vals_to_card64(stuff->target_sbc_lo, stuff->target_sbc_hi);
+ status = DRI2WaitSBC(client, pDrawable, target, &ust, &msc, &sbc);
+ if (status != Success)
+ return status;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ load_msc_reply(&rep, ust, msc, sbc);
+
+ WriteToClient(client, sizeof(xDRI2MSCReply), &rep);
+
+ return client->noClientException;
+}
+
static int
ProcDRI2Dispatch (ClientPtr client)
{
@@ -357,6 +561,16 @@ ProcDRI2Dispatch (ClientPtr client)
return ProcDRI2CopyRegion(client);
case X_DRI2GetBuffersWithFormat:
return ProcDRI2GetBuffersWithFormat(client);
+ case X_DRI2SwapBuffers:
+ return ProcDRI2SwapBuffers(client);
+ case X_DRI2GetMSC:
+ return ProcDRI2GetMSC(client);
+ case X_DRI2WaitMSC:
+ return ProcDRI2WaitMSC(client);
+ case X_DRI2WaitSBC:
+ return ProcDRI2WaitSBC(client);
+ case X_DRI2SwapInterval:
+ return ProcDRI2SwapInterval(client);
default:
return BadRequest;
}
@@ -413,6 +627,8 @@ static int DRI2DrawableGone(pointer p, XID id)
return Success;
}
+int DRI2EventBase;
+
static void
DRI2ExtensionInit(void)
{
@@ -429,6 +645,7 @@ DRI2ExtensionInit(void)
NULL,
StandardMinorOpcode);
+ DRI2EventBase = dri2Extension->eventBase;
}
extern Bool noDRI2Extension;