1 files changed, 101 insertions, 0 deletions
diff --git a/intern/cycles/util/log.h b/intern/cycles/util/log.h
new file mode 100644
index 00000000000..35c2d436d09
--- /dev/null
+++ b/intern/cycles/util/log.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2011-2014 Blender Foundation
+ *
+ * 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 __UTIL_LOGGING_H__
+#define __UTIL_LOGGING_H__
+
+#if defined(WITH_CYCLES_LOGGING) && !defined(__KERNEL_GPU__)
+#  include <gflags/gflags.h>
+#  include <glog/logging.h>
+#endif
+
+#include <iostream>
+
+CCL_NAMESPACE_BEGIN
+
+#if !defined(WITH_CYCLES_LOGGING) || defined(__KERNEL_GPU__)
+class StubStream {
+ public:
+  template<class T> StubStream &operator<<(const T &)
+  {
+    return *this;
+  }
+};
+
+class LogMessageVoidify {
+ public:
+  LogMessageVoidify()
+  {
+  }
+  void operator&(const StubStream &)
+  {
+  }
+};
+
+#  define LOG_SUPPRESS() (true) ? ((void)0) : LogMessageVoidify() & StubStream()
+#  define LOG(severity) LOG_SUPPRESS()
+#  define VLOG(severity) LOG_SUPPRESS()
+#  define VLOG_IF(severity, condition) LOG_SUPPRESS()
+#  define VLOG_IS_ON(severity) false
+
+#  define CHECK(expression) LOG_SUPPRESS()
+
+#  define CHECK_NOTNULL(expression) LOG_SUPPRESS()
+#  define CHECK_NULL(expression) LOG_SUPPRESS()
+
+#  define CHECK_NEAR(actual, expected, eps) LOG_SUPPRESS()
+
+#  define CHECK_GE(a, b) LOG_SUPPRESS()
+#  define CHECK_NE(a, b) LOG_SUPPRESS()
+#  define CHECK_EQ(a, b) LOG_SUPPRESS()
+#  define CHECK_GT(a, b) LOG_SUPPRESS()
+#  define CHECK_LT(a, b) LOG_SUPPRESS()
+#  define CHECK_LE(a, b) LOG_SUPPRESS()
+
+#  define DCHECK(expression) LOG_SUPPRESS()
+
+#  define DCHECK_NOTNULL(expression) LOG_SUPPRESS()
+#  define DCHECK_NULL(expression) LOG_SUPPRESS()
+
+#  define DCHECK_NEAR(actual, expected, eps) LOG_SUPPRESS()
+
+#  define DCHECK_GE(a, b) LOG_SUPPRESS()
+#  define DCHECK_NE(a, b) LOG_SUPPRESS()
+#  define DCHECK_EQ(a, b) LOG_SUPPRESS()
+#  define DCHECK_GT(a, b) LOG_SUPPRESS()
+#  define DCHECK_LT(a, b) LOG_SUPPRESS()
+#  define DCHECK_LE(a, b) LOG_SUPPRESS()
+
+#  define LOG_ASSERT(expression) LOG_SUPPRESS()
+#endif
+
+#define VLOG_ONCE(level, flag) \
+  if (!flag) \
+  flag = true, VLOG(level)
+
+struct int2;
+struct float3;
+
+void util_logging_init(const char *argv0);
+void util_logging_start();
+void util_logging_verbosity_set(int verbosity);
+
+std::ostream &operator<<(std::ostream &os, const int2 &value);
+std::ostream &operator<<(std::ostream &os, const float3 &value);
+
+CCL_NAMESPACE_END
+
+#endif /* __UTIL_LOGGING_H__ */