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authormarha <marha@users.sourceforge.net>2014-03-04 08:57:07 +0100
committermarha <marha@users.sourceforge.net>2014-03-04 08:57:07 +0100
commit321c01267ae1c446f1bd22b642567fcafa016c02 (patch)
tree69f6e12bdfd1ccda5d054398321bc1876dd3fc89 /mesalib/src/gallium/auxiliary/util/u_debug_flush.c
parent982ac918afe6a1c02d5cf735d7b6c56443a048cc (diff)
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libX11 libxcb mesa xserver xcb-proto xkeyboard-config git update 4 Mar 2014
xserver commit b634e909895f6001e7d9543e1350b20c82c8c01c libxcb commit 4ffa6f83b92763eb901c7ddb7c20775e24d507ca libxcb/xcb-proto commit 4270141a7cb3c68f50251be19a5a628aa18553e6 xkeyboard-config commit d9e3d0ec1a48a5f61ea6dd6d20b8682eeecf3a39 libX11 commit d6bd988bc00494914b38b95ee5df77ac4f32f19f libXdmcp commit 089081dca4ba3598c6f9bf401c029378943b5854 libXext commit d5447c0156f556114dbf97d6064c0c7b0fcd5f70 libfontenc commit 0037a42107b952c9d903719615747e760e4e7247 libXinerama commit edd95182b26eb5d576d4878c559e0f17dddaa909 libXau commit 1e4635be11154dd8262f37b379511bd627defa2a xkbcomp commit 31b90ee4ffc774e0da540277907fc5540c0b012c pixman commit 82d094654a46bd97d47f1f132a01ae0a74b986f3 xextproto commit 66afec3f49e8eb0d4c2e9af7088fc3116d4bafd7 randrproto commit a4a6694c059d74247c16527eef4a0ec9f56bbef6 glproto commit f84853d97d5749308992412a215fa518b6536eb3 mkfontscale commit eac564e0fc9052a39981ea47b271f7f3d2821944 xwininfo commit ba0d1b0da21d2dbdd81098ed5778f3792b472e13 libXft commit 4acfdaf95adb0a05c2a25550bdde036c865902f4 libXmu commit 22d9c590901e121936f50dee97dc60c4f7defb63 libxtrans commit 3f0de269abe59353acbd7a5587d68ce0da91db67 fontconfig commit e310d2fac2d874d5aa76c609df70cc7b871c0b6d mesa commit 1a568e0f2b65e4e1e1d19a6dece3a792a33da825
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_debug_flush.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_debug_flush.c391
1 files changed, 391 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_debug_flush.c b/mesalib/src/gallium/auxiliary/util/u_debug_flush.c
new file mode 100644
index 000000000..9cf70db58
--- /dev/null
+++ b/mesalib/src/gallium/auxiliary/util/u_debug_flush.c
@@ -0,0 +1,391 @@
+/**************************************************************************
+ *
+ * Copyright 2012 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * u_debug_flush.c Debug flush and map-related issues:
+ * - Flush while synchronously mapped.
+ * - Command stream reference while synchronously mapped.
+ * - Synchronous map while referenced on command stream.
+ * - Recursive maps.
+ * - Unmap while not mapped.
+ *
+ * @author Thomas Hellstrom <thellstrom@vmware.com>
+ */
+
+#ifdef DEBUG
+#include "pipe/p_compiler.h"
+#include "util/u_debug_stack.h"
+#include "util/u_debug.h"
+#include "util/u_memory.h"
+#include "util/u_debug_flush.h"
+#include "util/u_hash_table.h"
+#include "util/u_double_list.h"
+#include "util/u_inlines.h"
+#include "os/os_thread.h"
+#include <stdio.h>
+
+struct debug_flush_buf {
+ /* Atomic */
+ struct pipe_reference reference; /* Must be the first member. */
+ pipe_mutex mutex;
+ /* Immutable */
+ boolean supports_unsync;
+ unsigned bt_depth;
+ /* Protected by mutex */
+ boolean mapped;
+ boolean mapped_sync;
+ struct debug_stack_frame *map_frame;
+};
+
+struct debug_flush_item {
+ struct debug_flush_buf *fbuf;
+ unsigned bt_depth;
+ struct debug_stack_frame *ref_frame;
+};
+
+struct debug_flush_ctx {
+ /* Contexts are used by a single thread at a time */
+ unsigned bt_depth;
+ boolean catch_map_of_referenced;
+ struct util_hash_table *ref_hash;
+ struct list_head head;
+};
+
+pipe_static_mutex(list_mutex);
+static struct list_head ctx_list = {&ctx_list, &ctx_list};
+
+static struct debug_stack_frame *
+debug_flush_capture_frame(int start, int depth)
+{
+ struct debug_stack_frame *frames;
+
+ frames = CALLOC(depth, sizeof(*frames));
+ if (!frames)
+ return NULL;
+
+ debug_backtrace_capture(frames, start, depth);
+ return frames;
+}
+
+static int
+debug_flush_pointer_compare(void *key1, void *key2)
+{
+ return (key1 == key2) ? 0 : 1;
+}
+
+static unsigned
+debug_flush_pointer_hash(void *key)
+{
+ return (unsigned) (unsigned long) key;
+}
+
+struct debug_flush_buf *
+debug_flush_buf_create(boolean supports_unsync, unsigned bt_depth)
+{
+ struct debug_flush_buf *fbuf = CALLOC_STRUCT(debug_flush_buf);
+
+ if (!fbuf)
+ goto out_no_buf;
+
+ fbuf->supports_unsync = supports_unsync;
+ fbuf->bt_depth = bt_depth;
+ pipe_reference_init(&fbuf->reference, 1);
+ pipe_mutex_init(fbuf->mutex);
+
+ return fbuf;
+out_no_buf:
+ debug_printf("Debug flush buffer creation failed.\n");
+ debug_printf("Debug flush checking for this buffer will be incomplete.\n");
+ return NULL;
+}
+
+void
+debug_flush_buf_reference(struct debug_flush_buf **dst,
+ struct debug_flush_buf *src)
+{
+ struct debug_flush_buf *fbuf = *dst;
+
+ if (pipe_reference(&(*dst)->reference, &src->reference)) {
+ if (fbuf->map_frame)
+ FREE(fbuf->map_frame);
+
+ FREE(fbuf);
+ }
+
+ *dst = src;
+}
+
+static void
+debug_flush_item_destroy(struct debug_flush_item *item)
+{
+ debug_flush_buf_reference(&item->fbuf, NULL);
+
+ if (item->ref_frame)
+ FREE(item->ref_frame);
+
+ FREE(item);
+}
+
+struct debug_flush_ctx *
+debug_flush_ctx_create(boolean catch_reference_of_mapped, unsigned bt_depth)
+{
+ struct debug_flush_ctx *fctx = CALLOC_STRUCT(debug_flush_ctx);
+
+ if (!fctx)
+ goto out_no_ctx;
+
+ fctx->ref_hash = util_hash_table_create(debug_flush_pointer_hash,
+ debug_flush_pointer_compare);
+
+ if (!fctx->ref_hash)
+ goto out_no_ref_hash;
+
+ fctx->bt_depth = bt_depth;
+ pipe_mutex_lock(list_mutex);
+ list_addtail(&fctx->head, &ctx_list);
+ pipe_mutex_unlock(list_mutex);
+
+ return fctx;
+
+ out_no_ref_hash:
+ FREE(fctx);
+out_no_ctx:
+ debug_printf("Debug flush context creation failed.\n");
+ debug_printf("Debug flush checking for this context will be incomplete.\n");
+ return NULL;
+}
+
+static void
+debug_flush_alert(const char *s, const char *op,
+ unsigned start, unsigned depth,
+ boolean continued,
+ boolean capture,
+ const struct debug_stack_frame *frame)
+{
+ if (capture)
+ frame = debug_flush_capture_frame(start, depth);
+
+ if (s)
+ debug_printf("%s ", s);
+ if (frame) {
+ debug_printf("%s backtrace follows:\n", op);
+ debug_backtrace_dump(frame, depth);
+ } else
+ debug_printf("No %s backtrace was captured.\n", op);
+
+ if (continued)
+ debug_printf("**********************************\n");
+ else
+ debug_printf("*********END OF MESSAGE***********\n\n\n");
+
+ if (capture)
+ FREE((void *)frame);
+}
+
+
+void
+debug_flush_map(struct debug_flush_buf *fbuf, unsigned flags)
+{
+ boolean mapped_sync = FALSE;
+
+ if (!fbuf)
+ return;
+
+ pipe_mutex_lock(fbuf->mutex);
+ if (fbuf->mapped) {
+ debug_flush_alert("Recursive map detected.", "Map",
+ 2, fbuf->bt_depth, TRUE, TRUE, NULL);
+ debug_flush_alert(NULL, "Previous map", 0, fbuf->bt_depth, FALSE,
+ FALSE, fbuf->map_frame);
+ } else if (!(flags & PIPE_TRANSFER_UNSYNCHRONIZED) ||
+ !fbuf->supports_unsync) {
+ fbuf->mapped_sync = mapped_sync = TRUE;
+ }
+ fbuf->map_frame = debug_flush_capture_frame(1, fbuf->bt_depth);
+ fbuf->mapped = TRUE;
+ pipe_mutex_unlock(fbuf->mutex);
+
+ if (mapped_sync) {
+ struct debug_flush_ctx *fctx;
+
+ pipe_mutex_lock(list_mutex);
+ LIST_FOR_EACH_ENTRY(fctx, &ctx_list, head) {
+ struct debug_flush_item *item =
+ util_hash_table_get(fctx->ref_hash, fbuf);
+
+ if (item && fctx->catch_map_of_referenced) {
+ debug_flush_alert("Already referenced map detected.",
+ "Map", 2, fbuf->bt_depth, TRUE, TRUE, NULL);
+ debug_flush_alert(NULL, "Reference", 0, item->bt_depth,
+ FALSE, FALSE, item->ref_frame);
+ }
+ }
+ pipe_mutex_unlock(list_mutex);
+ }
+}
+
+void
+debug_flush_unmap(struct debug_flush_buf *fbuf)
+{
+ if (!fbuf)
+ return;
+
+ pipe_mutex_lock(fbuf->mutex);
+ if (!fbuf->mapped)
+ debug_flush_alert("Unmap not previously mapped detected.", "Map",
+ 2, fbuf->bt_depth, FALSE, TRUE, NULL);
+
+ fbuf->mapped_sync = FALSE;
+ fbuf->mapped = FALSE;
+ if (fbuf->map_frame) {
+ FREE(fbuf->map_frame);
+ fbuf->map_frame = NULL;
+ }
+ pipe_mutex_unlock(fbuf->mutex);
+}
+
+void
+debug_flush_cb_reference(struct debug_flush_ctx *fctx,
+ struct debug_flush_buf *fbuf)
+{
+ struct debug_flush_item *item;
+
+ if (!fctx || !fbuf)
+ return;
+
+ item = util_hash_table_get(fctx->ref_hash, fbuf);
+
+ pipe_mutex_lock(fbuf->mutex);
+ if (fbuf->mapped_sync) {
+ debug_flush_alert("Reference of mapped buffer detected.", "Reference",
+ 2, fctx->bt_depth, TRUE, TRUE, NULL);
+ debug_flush_alert(NULL, "Map", 0, fbuf->bt_depth, FALSE,
+ FALSE, fbuf->map_frame);
+ }
+ pipe_mutex_unlock(fbuf->mutex);
+
+ if (!item) {
+ item = CALLOC_STRUCT(debug_flush_item);
+ if (item) {
+ debug_flush_buf_reference(&item->fbuf, fbuf);
+ item->bt_depth = fctx->bt_depth;
+ item->ref_frame = debug_flush_capture_frame(2, item->bt_depth);
+ if (util_hash_table_set(fctx->ref_hash, fbuf, item) != PIPE_OK) {
+ debug_flush_item_destroy(item);
+ goto out_no_item;
+ }
+ return;
+ }
+ goto out_no_item;
+ }
+ return;
+
+out_no_item:
+ debug_printf("Debug flush command buffer reference creation failed.\n");
+ debug_printf("Debug flush checking will be incomplete "
+ "for this command batch.\n");
+}
+
+static enum pipe_error
+debug_flush_might_flush_cb(void *key, void *value, void *data)
+{
+ struct debug_flush_item *item =
+ (struct debug_flush_item *) value;
+ struct debug_flush_buf *fbuf = item->fbuf;
+ const char *reason = (const char *) data;
+ char message[80];
+
+ snprintf(message, sizeof(message),
+ "%s referenced mapped buffer detected.", reason);
+
+ pipe_mutex_lock(fbuf->mutex);
+ if (fbuf->mapped_sync) {
+ debug_flush_alert(message, reason, 3, item->bt_depth, TRUE, TRUE, NULL);
+ debug_flush_alert(NULL, "Map", 0, fbuf->bt_depth, TRUE, FALSE,
+ fbuf->map_frame);
+ debug_flush_alert(NULL, "First reference", 0, item->bt_depth, FALSE,
+ FALSE, item->ref_frame);
+ }
+ pipe_mutex_unlock(fbuf->mutex);
+
+ return PIPE_OK;
+}
+
+void
+debug_flush_might_flush(struct debug_flush_ctx *fctx)
+{
+ if (!fctx)
+ return;
+
+ util_hash_table_foreach(fctx->ref_hash,
+ debug_flush_might_flush_cb,
+ "Might flush");
+}
+
+static enum pipe_error
+debug_flush_flush_cb(void *key, void *value, void *data)
+{
+ struct debug_flush_item *item =
+ (struct debug_flush_item *) value;
+
+ debug_flush_item_destroy(item);
+
+ return PIPE_OK;
+}
+
+
+void
+debug_flush_flush(struct debug_flush_ctx *fctx)
+{
+ if (!fctx)
+ return;
+
+ util_hash_table_foreach(fctx->ref_hash,
+ debug_flush_might_flush_cb,
+ "Flush");
+ util_hash_table_foreach(fctx->ref_hash,
+ debug_flush_flush_cb,
+ NULL);
+ util_hash_table_clear(fctx->ref_hash);
+}
+
+void
+debug_flush_ctx_destroy(struct debug_flush_ctx *fctx)
+{
+ if (!fctx)
+ return;
+
+ list_del(&fctx->head);
+ util_hash_table_foreach(fctx->ref_hash,
+ debug_flush_flush_cb,
+ NULL);
+ util_hash_table_clear(fctx->ref_hash);
+ util_hash_table_destroy(fctx->ref_hash);
+ FREE(fctx);
+}
+#endif