add gpu backend (not hooked up yet)



git-svn-id: http://skia.googlecode.com/svn/trunk@649 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrPrintf_printf.cpp b/gpu/src/GrPrintf_printf.cpp
new file mode 100644
index 0000000..ad239ec
--- /dev/null
+++ b/gpu/src/GrPrintf_printf.cpp
@@ -0,0 +1,36 @@
+/*
+    Copyright 2010 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.
+ */
+
+
+#include "GrTypes.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+
+void GrPrintf(const char format[], ...) {
+    const size_t MAX_BUFFER_SIZE = 2048;
+
+    char buffer[MAX_BUFFER_SIZE + 1];
+    va_list args;
+
+    va_start(args, format);
+    vsnprintf(buffer, MAX_BUFFER_SIZE, format, args);
+    va_end(args);
+
+    printf("%s", buffer);
+}
+
+