Enable WebKit/Chromium style logging for Skia.

New macros called in Ganesh functions; by default are compiled away,
in example code resolve to printout, and are compatible with WebKit/Chromium
event logging and GPU profiler.



git-svn-id: http://skia.googlecode.com/svn/trunk@1770 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 33 insertions, 0 deletions

diff --git a/src/utils/SkDebugTrace.h b/src/utils/SkDebugTrace.h
new file mode 100644
index 0000000000..1f0c190459
--- /dev/null
+++ b/src/utils/SkDebugTrace.h
@@ -0,0 +1,33 @@
+/*
+    Copyright 2011 Google Inc.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+ */
+#ifndef SkUserTrace_DEFINED
+#define SkUserTrace_DEFINED
+
+/* Sample implementation of SkUserTrace that routes all of the
+   trace macros to debug output stream.
+   To use this, redefine SK_USER_TRACE_INCLUDE_FILE in
+   include/config/SkUserConfig.h to point to this file
+*/
+#define SK_TRACE_EVENT0(event) \
+  SkDebugf("Trace: %s\n", event)
+#define SK_TRACE_EVENT1(event, name1, value1) \
+  SkDebugf("Trace: %s (%s=%s)\n", event, name1, value1)
+#define SK_TRACE_EVENT2(event, name1, value1, name2, value2) \
+  SkDebugf("Trace: %s (%s=%s, %s=%s)\n", event, name1, value1, name2, value2)
+
+#endif
+
+