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Diffstat (limited to 'xorg-server/present/present_request.c')
-rw-r--r--xorg-server/present/present_request.c330
1 files changed, 330 insertions, 0 deletions
diff --git a/xorg-server/present/present_request.c b/xorg-server/present/present_request.c
new file mode 100644
index 000000000..095fa2daf
--- /dev/null
+++ b/xorg-server/present/present_request.c
@@ -0,0 +1,330 @@
+/*
+ * 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.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "present_priv.h"
+#include "randrstr.h"
+
+static int
+proc_present_query_version(ClientPtr client)
+{
+ REQUEST(xPresentQueryVersionReq);
+ xPresentQueryVersionReply rep = {
+ .type = X_Reply,
+ .sequenceNumber = client->sequence,
+ .length = 0,
+ .majorVersion = PRESENT_MAJOR,
+ .minorVersion = PRESENT_MINOR
+ };
+
+ REQUEST_SIZE_MATCH(xPresentQueryVersionReq);
+ (void) stuff;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.majorVersion);
+ swapl(&rep.minorVersion);
+ }
+ WriteToClient(client, sizeof(rep), &rep);
+ return Success;
+}
+
+#define VERIFY_FENCE_OR_NONE(fence_ptr, fence_id, client, access) do { \
+ if ((fence_id) == None) \
+ (fence_ptr) = NULL; \
+ else { \
+ int __rc__ = SyncVerifyFence(&fence_ptr, fence_id, client, access); \
+ if (__rc__ != Success) \
+ return __rc__; \
+ } \
+ } while (0)
+
+#define VERIFY_CRTC_OR_NONE(crtc_ptr, crtc_id, client, access) do { \
+ if ((crtc_id) == None) \
+ (crtc_ptr) = NULL; \
+ else { \
+ VERIFY_RR_CRTC(crtc_id, crtc_ptr, access); \
+ } \
+ } while (0)
+
+static int
+proc_present_pixmap(ClientPtr client)
+{
+ REQUEST(xPresentPixmapReq);
+ WindowPtr window;
+ PixmapPtr pixmap;
+ RegionPtr valid = NULL;
+ RegionPtr update = NULL;
+ SyncFence *wait_fence;
+ SyncFence *idle_fence;
+ RRCrtcPtr target_crtc;
+ int ret;
+ int nnotifies;
+ present_notify_ptr notifies = NULL;
+
+ REQUEST_AT_LEAST_SIZE(xPresentPixmapReq);
+ ret = dixLookupWindow(&window, stuff->window, client, DixWriteAccess);
+ if (ret != Success)
+ return ret;
+ ret = dixLookupResourceByType((pointer *) &pixmap, stuff->pixmap, RT_PIXMAP, client, DixReadAccess);
+ if (ret != Success)
+ return ret;
+
+ if (window->drawable.depth != pixmap->drawable.depth)
+ return BadMatch;
+
+ VERIFY_REGION_OR_NONE(valid, stuff->valid, client, DixReadAccess);
+ VERIFY_REGION_OR_NONE(update, stuff->update, client, DixReadAccess);
+
+ VERIFY_CRTC_OR_NONE(target_crtc, stuff->target_crtc, client, DixReadAccess);
+
+ VERIFY_FENCE_OR_NONE(wait_fence, stuff->wait_fence, client, DixReadAccess);
+ VERIFY_FENCE_OR_NONE(idle_fence, stuff->idle_fence, client, DixWriteAccess);
+
+ if (stuff->options & ~(PresentAllOptions)) {
+ client->errorValue = stuff->options;
+ return BadValue;
+ }
+
+ /*
+ * Check to see if remainder is sane
+ */
+ if (stuff->divisor == 0) {
+ if (stuff->remainder != 0) {
+ client->errorValue = (CARD32) stuff->remainder;
+ return BadValue;
+ }
+ } else {
+ if (stuff->remainder >= stuff->divisor) {
+ client->errorValue = (CARD32) stuff->remainder;
+ return BadValue;
+ }
+ }
+
+ nnotifies = (client->req_len << 2) - sizeof (xPresentPixmapReq);
+ if (nnotifies % sizeof (xPresentNotify))
+ return BadLength;
+
+ nnotifies /= sizeof (xPresentNotify);
+ if (nnotifies) {
+ ret = present_create_notifies(client, nnotifies, (xPresentNotify *) (stuff + 1), &notifies);
+ if (ret != Success)
+ return ret;
+ }
+
+ ret = present_pixmap(window, pixmap, stuff->serial, valid, update,
+ stuff->x_off, stuff->y_off, target_crtc,
+ wait_fence, idle_fence, stuff->options,
+ stuff->target_msc, stuff->divisor, stuff->remainder, notifies, nnotifies);
+ if (ret != Success)
+ present_destroy_notifies(notifies, nnotifies);
+ return ret;
+}
+
+static int
+proc_present_notify_msc(ClientPtr client)
+{
+ REQUEST(xPresentNotifyMSCReq);
+ WindowPtr window;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xPresentNotifyMSCReq);
+ rc = dixLookupWindow(&window, stuff->window, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ /*
+ * Check to see if remainder is sane
+ */
+ if (stuff->divisor == 0) {
+ if (stuff->remainder != 0) {
+ client->errorValue = (CARD32) stuff->remainder;
+ return BadValue;
+ }
+ } else {
+ if (stuff->remainder >= stuff->divisor) {
+ client->errorValue = (CARD32) stuff->remainder;
+ return BadValue;
+ }
+ }
+
+ return present_notify_msc(window, stuff->serial,
+ stuff->target_msc, stuff->divisor, stuff->remainder);
+}
+
+static int
+proc_present_select_input (ClientPtr client)
+{
+ REQUEST(xPresentSelectInputReq);
+ WindowPtr window;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xPresentSelectInputReq);
+
+ LEGAL_NEW_RESOURCE(stuff->eid, client);
+
+ rc = dixLookupWindow(&window, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (stuff->eventMask & ~PresentAllEvents) {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ return present_select_input(client, stuff->eid, window, stuff->eventMask);
+}
+
+static int
+proc_present_query_capabilities (ClientPtr client)
+{
+ REQUEST(xPresentQueryCapabilitiesReq);
+ xPresentQueryCapabilitiesReply rep = {
+ .type = X_Reply,
+ .sequenceNumber = client->sequence,
+ .length = 0,
+ };
+ WindowPtr window;
+ RRCrtcPtr crtc = NULL;
+ int r;
+
+ r = dixLookupWindow(&window, stuff->target, client, DixGetAttrAccess);
+ switch (r) {
+ case Success:
+ crtc = present_get_crtc(window);
+ break;
+ case BadWindow:
+ VERIFY_RR_CRTC(stuff->target, crtc, DixGetAttrAccess);
+ break;
+ default:
+ return r;
+ }
+
+ rep.capabilities = present_query_capabilities(crtc);
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.capabilities);
+ }
+ WriteToClient(client, sizeof(rep), &rep);
+ return Success;
+}
+
+int (*proc_present_vector[PresentNumberRequests]) (ClientPtr) = {
+ proc_present_query_version, /* 0 */
+ proc_present_pixmap, /* 1 */
+ proc_present_notify_msc, /* 2 */
+ proc_present_select_input, /* 3 */
+ proc_present_query_capabilities, /* 4 */
+};
+
+int
+proc_present_dispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+ if (stuff->data >= PresentNumberRequests || !proc_present_vector[stuff->data])
+ return BadRequest;
+ return (*proc_present_vector[stuff->data]) (client);
+}
+
+static int
+sproc_present_query_version(ClientPtr client)
+{
+ REQUEST(xPresentQueryVersionReq);
+
+ swaps(&stuff->length);
+ swapl(&stuff->majorVersion);
+ swapl(&stuff->minorVersion);
+ return (*proc_present_vector[stuff->presentReqType]) (client);
+}
+
+static int
+sproc_present_pixmap(ClientPtr client)
+{
+ REQUEST(xPresentPixmapReq);
+
+ swaps(&stuff->length);
+ swapl(&stuff->window);
+ swapl(&stuff->pixmap);
+ swapl(&stuff->valid);
+ swapl(&stuff->update);
+ swaps(&stuff->x_off);
+ swaps(&stuff->y_off);
+ swapll(&stuff->target_msc);
+ swapll(&stuff->divisor);
+ swapll(&stuff->remainder);
+ swapl(&stuff->idle_fence);
+ return (*proc_present_vector[stuff->presentReqType]) (client);
+}
+
+static int
+sproc_present_notify_msc(ClientPtr client)
+{
+ REQUEST(xPresentNotifyMSCReq);
+
+ swaps(&stuff->length);
+ swapl(&stuff->window);
+ swapll(&stuff->target_msc);
+ swapll(&stuff->divisor);
+ swapll(&stuff->remainder);
+ return (*proc_present_vector[stuff->presentReqType]) (client);
+}
+
+static int
+sproc_present_select_input (ClientPtr client)
+{
+ REQUEST(xPresentSelectInputReq);
+
+ swaps(&stuff->length);
+ swapl(&stuff->window);
+ swapl(&stuff->eventMask);
+ return (*proc_present_vector[stuff->presentReqType]) (client);
+}
+
+static int
+sproc_present_query_capabilities (ClientPtr client)
+{
+ REQUEST(xPresentQueryCapabilitiesReq);
+ swaps(&stuff->length);
+ swapl(&stuff->target);
+ return (*proc_present_vector[stuff->presentReqType]) (client);
+}
+
+int (*sproc_present_vector[PresentNumberRequests]) (ClientPtr) = {
+ sproc_present_query_version, /* 0 */
+ sproc_present_pixmap, /* 1 */
+ sproc_present_notify_msc, /* 2 */
+ sproc_present_select_input, /* 3 */
+ sproc_present_query_capabilities, /* 4 */
+};
+
+int
+sproc_present_dispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+ if (stuff->data >= PresentNumberRequests || !sproc_present_vector[stuff->data])
+ return BadRequest;
+ return (*sproc_present_vector[stuff->data]) (client);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 21:17:28 +0000