1 files changed, 69 insertions, 0 deletions
diff --git a/msm8909/libdrmutils/drm_logger.h b/msm8909/libdrmutils/drm_logger.h
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+++ b/msm8909/libdrmutils/drm_logger.h
@@ -0,0 +1,69 @@
+/*
+* Copyright (c) 2017, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*   * Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*   * Redistributions in binary form must reproduce the above
+*     copyright notice, this list of conditions and the following
+*     disclaimer in the documentation and/or other materials provided
+*     with the distribution.
+*   * Neither the name of The Linux Foundation nor the names of its
+*     contributors may be used to endorse or promote products derived
+*     from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef __DRM_LOGGER_H__
+#define __DRM_LOGGER_H__
+
+#include <utility>
+
+namespace drm_utils {
+
+class DRMLogger {
+ public:
+  virtual ~DRMLogger() {}
+  virtual void Error(const char *format, ...) = 0;
+  virtual void Warning(const char *format, ...) = 0;
+  virtual void Info(const char *format, ...) = 0;
+  virtual void Debug(const char *format, ...) = 0;
+
+  static void Set(DRMLogger *logger) { s_instance = logger; }
+  static DRMLogger *Get() { return s_instance; }
+
+ private:
+  static DRMLogger *s_instance;
+};
+
+#define DRM_LOG(method, format, ...)                            \
+  if (drm_utils::DRMLogger::Get()) {                            \
+    drm_utils::DRMLogger::Get()->method(format, ##__VA_ARGS__); \
+  }
+
+#define DRM_LOG_CONTEXT(method, format, ...) \
+  DRM_LOG(method, __CLASS__ "::%s: " format, __FUNCTION__, ##__VA_ARGS__);
+
+#define DRM_LOGE(format, ...) DRM_LOG_CONTEXT(Error, format, ##__VA_ARGS__)
+#define DRM_LOGW(format, ...) DRM_LOG_CONTEXT(Warning, format, ##__VA_ARGS__)
+#define DRM_LOGI(format, ...) DRM_LOG_CONTEXT(Info, format, ##__VA_ARGS__)
+#define DRM_LOGD_IF(pred, format, ...) \
+  if (pred)                            \
+  DRM_LOG_CONTEXT(Debug, format, ##__VA_ARGS__)
+
+}  // namespace drm_utils
+
+#endif  // __DRM_LOGGER_H__