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      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "gpu/command_buffer/service/logger.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/logging.h"
      9 #include "base/strings/string_number_conversions.h"
     10 #include "gpu/command_buffer/common/debug_marker_manager.h"
     11 #include "gpu/command_buffer/service/gpu_switches.h"
     12 
     13 namespace gpu {
     14 namespace gles2 {
     15 
     16 Logger::Logger(const DebugMarkerManager* debug_marker_manager)
     17     : debug_marker_manager_(debug_marker_manager),
     18       log_message_count_(0),
     19       log_synthesized_gl_errors_(true) {
     20   Logger* this_temp = this;
     21   this_in_hex_ = std::string("GroupMarkerNotSet(crbug.com/242999)!:") +
     22       base::HexEncode(&this_temp, sizeof(this_temp));
     23 }
     24 
     25 Logger::~Logger() {}
     26 
     27 void Logger::LogMessage(
     28     const char* filename, int line, const std::string& msg) {
     29   if (log_message_count_ < kMaxLogMessages ||
     30       CommandLine::ForCurrentProcess()->HasSwitch(
     31           switches::kDisableGLErrorLimit)) {
     32     std::string prefixed_msg(std::string("[") + GetLogPrefix() + "]" + msg);
     33     ++log_message_count_;
     34     // LOG this unless logging is turned off as any chromium code that
     35     // generates these errors probably has a bug.
     36     if (log_synthesized_gl_errors_) {
     37       ::logging::LogMessage(
     38           filename, line, ::logging::LOG_ERROR).stream() << prefixed_msg;
     39     }
     40     if (!msg_callback_.is_null()) {
     41       msg_callback_.Run(0, prefixed_msg);
     42     }
     43   } else {
     44     if (log_message_count_ == kMaxLogMessages) {
     45       ++log_message_count_;
     46       LOG(ERROR)
     47           << "Too many GL errors, not reporting any more for this context."
     48           << " use --disable-gl-error-limit to see all errors.";
     49     }
     50   }
     51 }
     52 
     53 const std::string& Logger::GetLogPrefix() const {
     54   const std::string& prefix(debug_marker_manager_->GetMarker());
     55   return prefix.empty() ? this_in_hex_ : prefix;
     56 }
     57 
     58 void Logger::SetMsgCallback(const MsgCallback& callback) {
     59   msg_callback_ = callback;
     60 }
     61 
     62 }  // namespace gles2
     63 }  // namespace gpu
     64 
     65