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authorKeith Packard <keithp@keithp.com>2010-03-21 15:38:40 -0700
committerKeith Packard <keithp@keithp.com>2010-03-21 15:38:40 -0700
commit235fa5030428084368e5be57fca695647b7b79c4 (patch)
treefb76dd198d8ef965fa934c2d00a62a37dcdb5a69
parent1c612acca8568fcdf9761d23f112adaf4d496f1b (diff)
parentfa5103a02bd509e4a102afdad2ab26cb22210367 (diff)
-rw-r--r--dix/window.c3
-rw-r--r--hw/xfree86/dri2/dri2.c42
-rw-r--r--include/Makefile.am1
-rw-r--r--include/list.h97
-rw-r--r--include/scrnintstr.h10
5 files changed, 134 insertions, 19 deletions
diff --git a/dix/window.c b/dix/window.c
index 2676a546a..c7201df09 100644
--- a/dix/window.c
+++ b/dix/window.c
@@ -2303,6 +2303,9 @@ ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client)
return(Success);
ActuallyDoSomething:
+ if (pWin->drawable.pScreen->ConfigNotify)
+ (*pWin->drawable.pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
+
if (SubStrSend(pWin, pParent))
{
memset(&event, 0, sizeof(xEvent));
diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index cd69ca0c4..48618e1a5 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -202,27 +202,25 @@ find_attachment(DRI2DrawablePtr pPriv, unsigned attachment)
return -1;
}
-static DRI2BufferPtr
+static Bool
allocate_or_reuse_buffer(DrawablePtr pDraw, DRI2ScreenPtr ds,
DRI2DrawablePtr pPriv,
unsigned int attachment, unsigned int format,
- int dimensions_match)
+ int dimensions_match, DRI2BufferPtr *buffer)
{
- DRI2BufferPtr buffer;
- int old_buf;
-
- old_buf = find_attachment(pPriv, attachment);
+ int old_buf = find_attachment(pPriv, attachment);
if ((old_buf < 0)
|| !dimensions_match
|| (pPriv->buffers[old_buf]->format != format)) {
- buffer = (*ds->CreateBuffer)(pDraw, attachment, format);
+ *buffer = (*ds->CreateBuffer)(pDraw, attachment, format);
+ return TRUE;
+
} else {
- buffer = pPriv->buffers[old_buf];
+ *buffer = pPriv->buffers[old_buf];
pPriv->buffers[old_buf] = NULL;
+ return FALSE;
}
-
- return buffer;
}
static DRI2BufferPtr *
@@ -238,6 +236,7 @@ do_get_buffers(DrawablePtr pDraw, int *width, int *height,
int have_fake_front = 0;
int front_format = 0;
int dimensions_match;
+ int buffers_changed = 0;
int i;
if (!pPriv) {
@@ -256,8 +255,10 @@ do_get_buffers(DrawablePtr pDraw, int *width, int *height,
const unsigned attachment = *(attachments++);
const unsigned format = (has_format) ? *(attachments++) : 0;
- buffers[i] = allocate_or_reuse_buffer(pDraw, ds, pPriv, attachment,
- format, dimensions_match);
+ if (allocate_or_reuse_buffer(pDraw, ds, pPriv, attachment,
+ format, dimensions_match,
+ &buffers[i]))
+ buffers_changed = 1;
/* If the drawable is a window and the front-buffer is requested,
* silently add the fake front-buffer to the list of requested
@@ -287,15 +288,18 @@ do_get_buffers(DrawablePtr pDraw, int *width, int *height,
}
if (need_real_front > 0) {
- buffers[i++] = allocate_or_reuse_buffer(pDraw, ds, pPriv,
- DRI2BufferFrontLeft,
- front_format, dimensions_match);
+ if (allocate_or_reuse_buffer(pDraw, ds, pPriv, DRI2BufferFrontLeft,
+ front_format, dimensions_match,
+ &buffers[i++]))
+ buffers_changed = 1;
}
if (need_fake_front > 0) {
- buffers[i++] = allocate_or_reuse_buffer(pDraw, ds, pPriv,
- DRI2BufferFakeFrontLeft,
- front_format, dimensions_match);
+ if (allocate_or_reuse_buffer(pDraw, ds, pPriv, DRI2BufferFakeFrontLeft,
+ front_format, dimensions_match,
+ &buffers[i++]))
+ buffers_changed = 1;
+
have_fake_front = 1;
}
@@ -324,7 +328,7 @@ do_get_buffers(DrawablePtr pDraw, int *width, int *height,
* contents of the real front-buffer. This ensures correct operation of
* applications that call glXWaitX before calling glDrawBuffer.
*/
- if (have_fake_front) {
+ if (have_fake_front && buffers_changed) {
BoxRec box;
RegionRec region;
diff --git a/include/Makefile.am b/include/Makefile.am
index d684f9c2b..eddc86cb3 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -27,6 +27,7 @@ sdk_HEADERS = \
globals.h \
input.h \
inputstr.h \
+ list.h \
misc.h \
miscstruct.h \
opaque.h \
diff --git a/include/list.h b/include/list.h
new file mode 100644
index 000000000..a126a652d
--- /dev/null
+++ b/include/list.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2010 Francisco Jerez <currojerez@riseup.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _LIST_H_
+#define _LIST_H_
+
+/* classic doubly-link circular list */
+struct list {
+ struct list *next, *prev;
+};
+
+static void
+list_init(struct list *list)
+{
+ list->next = list->prev = list;
+}
+
+static inline void
+__list_add(struct list *entry,
+ struct list *prev,
+ struct list *next)
+{
+ next->prev = entry;
+ entry->next = next;
+ entry->prev = prev;
+ prev->next = entry;
+}
+
+static inline void
+list_add(struct list *entry, struct list *head)
+{
+ __list_add(entry, head, head->next);
+}
+
+static inline void
+__list_del(struct list *prev, struct list *next)
+{
+ next->prev = prev;
+ prev->next = next;
+}
+
+static inline void
+list_del(struct list *entry)
+{
+ __list_del(entry->prev, entry->next);
+ list_init(entry);
+}
+
+static inline Bool
+list_is_empty(struct list *head)
+{
+ return head->next == head;
+}
+
+#ifndef container_of
+#define container_of(ptr, type, member) \
+ (type *)((char *)(ptr) - (char *) &((type *)0)->member)
+#endif
+
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+#define list_first_entry(ptr, type, member) \
+ list_entry((ptr)->next, type, member)
+
+#define __container_of(ptr, sample, member) \
+ (void *)((char *)(ptr) \
+ - ((char *)&(sample)->member - (char *)(sample)))
+
+#define list_for_each_entry(pos, head, member) \
+ for (pos = __container_of((head)->next, pos, member); \
+ &pos->member != (head); \
+ pos = __container_of(pos->member.next, pos, member))
+
+#endif
diff --git a/include/scrnintstr.h b/include/scrnintstr.h
index ab50e7a32..c42119d0d 100644
--- a/include/scrnintstr.h
+++ b/include/scrnintstr.h
@@ -399,6 +399,15 @@ typedef void (* PostChangeSaveUnderProcPtr)(
WindowPtr /*pLayerWin*/,
WindowPtr /*firstChild*/);
+typedef void (* ConfigNotifyProcPtr)(
+ WindowPtr /*pWin*/,
+ int /*x*/,
+ int /*y*/,
+ int /*w*/,
+ int /*h*/,
+ int /*bw*/,
+ WindowPtr /*pSib*/);
+
typedef void (* MoveWindowProcPtr)(
WindowPtr /*pWin*/,
int /*x*/,
@@ -581,6 +590,7 @@ typedef struct _Screen {
MarkOverlappedWindowsProcPtr MarkOverlappedWindows;
ChangeSaveUnderProcPtr ChangeSaveUnder;
PostChangeSaveUnderProcPtr PostChangeSaveUnder;
+ ConfigNotifyProcPtr ConfigNotify;
MoveWindowProcPtr MoveWindow;
ResizeWindowProcPtr ResizeWindow;
GetLayerWindowProcPtr GetLayerWindow;