Load the GL_KHR_debug entry points and log messages they produce.

gpu/command_buffer/service/gpu_switches.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/gpu_switches.h"
 
 #include "base/macros.h"
 
 namespace switches {
 
@@ skipping 17 matching lines @@
 const char kEnableGPUCommandLogging[]       = "enable-gpu-command-logging";
 
 // Turn on Calling GL Error after every command.
 const char kEnableGPUDebugging[]            = "enable-gpu-debugging";
 
 // Enable GPU service logging. Note: This is the same switch as the one in
 // gl_switches.cc. It's defined here again to avoid dependencies between
 // dlls.
 const char kEnableGPUServiceLoggingGPU[]    = "enable-gpu-service-logging";
 
+// Enable logging of GPU driver debug messages.
+const char kEnableGPUDriverDebugLogging[] = "enable-gpu-driver-debug-logging";
+
 // Turn off gpu program caching
 const char kDisableGpuProgramCache[]        = "disable-gpu-program-cache";
 
 // Enforce GL minimums.
 const char kEnforceGLMinimums[]             = "enforce-gl-minimums";
 
 // Sets the total amount of memory that may be allocated for GPU resources
 const char kForceGpuMemAvailableMb[]        = "force-gpu-mem-available-mb";
 
 // Sets the maximum size of the in-memory gpu program cache, in kb
@@ skipping 13 matching lines @@
 
 // Emulate ESSL lowp and mediump float precisions by mutating the shaders to
 // round intermediate values in ANGLE.
 const char kEmulateShaderPrecision[] = "emulate-shader-precision";
 
 // Use the Pass-through command decoder, skipping all validation and state
 // tracking.
 const char kUsePassthroughCmdDecoder[] = "use-passthrough-cmd-decoder";
 
 }  // namespace switches