Refactor GL bindings so there is no global GLApi or DriverGL.

ui/gl/gl_bindings_autogen_wgl.cc

 // Copyright 2016 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.
 //
 // This file is auto-generated from
 // ui/gl/generate_bindings.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
 #include <string>
 
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_enums.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_version_info.h"
 #include "ui/gl/gl_wgl_api_implementation.h"
 
 namespace gl {
 
-static bool g_debugBindingsInitialized;
 DriverWGL g_driver_wgl;
 
 void DriverWGL::InitializeStaticBindings() {
   fn.wglChoosePixelFormatARBFn = 0;
   fn.wglCopyContextFn =
       reinterpret_cast<wglCopyContextProc>(GetGLProcAddress("wglCopyContext"));
   fn.wglCreateContextFn = reinterpret_cast<wglCreateContextProc>(
       GetGLProcAddress("wglCreateContext"));
   fn.wglCreateContextAttribsARBFn = 0;
   fn.wglCreateLayerContextFn = reinterpret_cast<wglCreateLayerContextProc>(
@@ skipping 35 matching lines @@
       extensions.find("WGL_ARB_extensions_string ") != std::string::npos;
   ext.b_WGL_ARB_pbuffer =
       extensions.find("WGL_ARB_pbuffer ") != std::string::npos;
   ext.b_WGL_ARB_pixel_format =
       extensions.find("WGL_ARB_pixel_format ") != std::string::npos;
   ext.b_WGL_EXT_extensions_string =
       extensions.find("WGL_EXT_extensions_string ") != std::string::npos;
   ext.b_WGL_EXT_swap_control =
       extensions.find("WGL_EXT_swap_control ") != std::string::npos;
 
-  debug_fn.wglChoosePixelFormatARBFn = 0;
   if (ext.b_WGL_ARB_pixel_format) {
     fn.wglChoosePixelFormatARBFn =
         reinterpret_cast<wglChoosePixelFormatARBProc>(
             GetGLProcAddress("wglChoosePixelFormatARB"));
   }
 
-  debug_fn.wglCreateContextAttribsARBFn = 0;
   if (ext.b_WGL_ARB_create_context) {
     fn.wglCreateContextAttribsARBFn =
         reinterpret_cast<wglCreateContextAttribsARBProc>(
             GetGLProcAddress("wglCreateContextAttribsARB"));
   }
 
-  debug_fn.wglCreatePbufferARBFn = 0;
   if (ext.b_WGL_ARB_pbuffer) {
     fn.wglCreatePbufferARBFn = reinterpret_cast<wglCreatePbufferARBProc>(
         GetGLProcAddress("wglCreatePbufferARB"));
   }
 
-  debug_fn.wglDestroyPbufferARBFn = 0;
   if (ext.b_WGL_ARB_pbuffer) {
     fn.wglDestroyPbufferARBFn = reinterpret_cast<wglDestroyPbufferARBProc>(
         GetGLProcAddress("wglDestroyPbufferARB"));
   }
 
-  debug_fn.wglGetPbufferDCARBFn = 0;
   if (ext.b_WGL_ARB_pbuffer) {
     fn.wglGetPbufferDCARBFn = reinterpret_cast<wglGetPbufferDCARBProc>(
         GetGLProcAddress("wglGetPbufferDCARB"));
   }
 
-  debug_fn.wglQueryPbufferARBFn = 0;
   if (ext.b_WGL_ARB_pbuffer) {
     fn.wglQueryPbufferARBFn = reinterpret_cast<wglQueryPbufferARBProc>(
         GetGLProcAddress("wglQueryPbufferARB"));
   }
 
-  debug_fn.wglReleasePbufferDCARBFn = 0;
   if (ext.b_WGL_ARB_pbuffer) {
     fn.wglReleasePbufferDCARBFn = reinterpret_cast<wglReleasePbufferDCARBProc>(
         GetGLProcAddress("wglReleasePbufferDCARB"));
   }
 
-  debug_fn.wglSwapIntervalEXTFn = 0;
   if (ext.b_WGL_EXT_swap_control) {
     fn.wglSwapIntervalEXTFn = reinterpret_cast<wglSwapIntervalEXTProc>(
         GetGLProcAddress("wglSwapIntervalEXT"));
   }
-
-  if (g_debugBindingsInitialized)
-    InitializeDebugBindings();
-}
-
-extern "C" {
-
-static BOOL GL_BINDING_CALL
-Debug_wglChoosePixelFormatARB(HDC dc,
-                              const int* int_attrib_list,
-                              const float* float_attrib_list,
-                              UINT max_formats,
-                              int* formats,
-                              UINT* num_formats) {
-  GL_SERVICE_LOG("wglChoosePixelFormatARB"
-                 << "(" << dc << ", "
-                 << static_cast<const void*>(int_attrib_list) << ", "
-                 << static_cast<const void*>(float_attrib_list) << ", "
-                 << max_formats << ", " << static_cast<const void*>(formats)
-                 << ", " << static_cast<const void*>(num_formats) << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglChoosePixelFormatARBFn != nullptr);
-  BOOL result = g_driver_wgl.debug_fn.wglChoosePixelFormatARBFn(
-      dc, int_attrib_list, float_attrib_list, max_formats, formats,
-      num_formats);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglCopyContext(HGLRC hglrcSrc,
-                                                 HGLRC hglrcDst,
-                                                 UINT mask) {
-  GL_SERVICE_LOG("wglCopyContext"
-                 << "(" << hglrcSrc << ", " << hglrcDst << ", " << mask << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglCopyContextFn != nullptr);
-  BOOL result =
-      g_driver_wgl.debug_fn.wglCopyContextFn(hglrcSrc, hglrcDst, mask);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static HGLRC GL_BINDING_CALL Debug_wglCreateContext(HDC hdc) {
-  GL_SERVICE_LOG("wglCreateContext"
-                 << "(" << hdc << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglCreateContextFn != nullptr);
-  HGLRC result = g_driver_wgl.debug_fn.wglCreateContextFn(hdc);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static HGLRC GL_BINDING_CALL
-Debug_wglCreateContextAttribsARB(HDC hDC,
-                                 HGLRC hShareContext,
-                                 const int* attribList) {
-  GL_SERVICE_LOG("wglCreateContextAttribsARB"
-                 << "(" << hDC << ", " << hShareContext << ", "
-                 << static_cast<const void*>(attribList) << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglCreateContextAttribsARBFn != nullptr);
-  HGLRC result = g_driver_wgl.debug_fn.wglCreateContextAttribsARBFn(
-      hDC, hShareContext, attribList);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static HGLRC GL_BINDING_CALL Debug_wglCreateLayerContext(HDC hdc,
-                                                         int iLayerPlane) {
-  GL_SERVICE_LOG("wglCreateLayerContext"
-                 << "(" << hdc << ", " << iLayerPlane << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglCreateLayerContextFn != nullptr);
-  HGLRC result =
-      g_driver_wgl.debug_fn.wglCreateLayerContextFn(hdc, iLayerPlane);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static HPBUFFERARB GL_BINDING_CALL
-Debug_wglCreatePbufferARB(HDC hDC,
-                          int iPixelFormat,
-                          int iWidth,
-                          int iHeight,
-                          const int* piAttribList) {
-  GL_SERVICE_LOG("wglCreatePbufferARB"
-                 << "(" << hDC << ", " << iPixelFormat << ", " << iWidth << ", "
-                 << iHeight << ", " << static_cast<const void*>(piAttribList)
-                 << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglCreatePbufferARBFn != nullptr);
-  HPBUFFERARB result = g_driver_wgl.debug_fn.wglCreatePbufferARBFn(
-      hDC, iPixelFormat, iWidth, iHeight, piAttribList);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglDeleteContext(HGLRC hglrc) {
-  GL_SERVICE_LOG("wglDeleteContext"
-                 << "(" << hglrc << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglDeleteContextFn != nullptr);
-  BOOL result = g_driver_wgl.debug_fn.wglDeleteContextFn(hglrc);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglDestroyPbufferARB(HPBUFFERARB hPbuffer) {
-  GL_SERVICE_LOG("wglDestroyPbufferARB"
-                 << "(" << hPbuffer << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglDestroyPbufferARBFn != nullptr);
-  BOOL result = g_driver_wgl.debug_fn.wglDestroyPbufferARBFn(hPbuffer);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static HGLRC GL_BINDING_CALL Debug_wglGetCurrentContext() {
-  GL_SERVICE_LOG("wglGetCurrentContext"
-                 << "("
-                 << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglGetCurrentContextFn != nullptr);
-  HGLRC result = g_driver_wgl.debug_fn.wglGetCurrentContextFn();
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static HDC GL_BINDING_CALL Debug_wglGetCurrentDC() {
-  GL_SERVICE_LOG("wglGetCurrentDC"
-                 << "("
-                 << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglGetCurrentDCFn != nullptr);
-  HDC result = g_driver_wgl.debug_fn.wglGetCurrentDCFn();
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static const char* GL_BINDING_CALL Debug_wglGetExtensionsStringARB(HDC hDC) {
-  GL_SERVICE_LOG("wglGetExtensionsStringARB"
-                 << "(" << hDC << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglGetExtensionsStringARBFn != nullptr);
-  const char* result = g_driver_wgl.debug_fn.wglGetExtensionsStringARBFn(hDC);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static const char* GL_BINDING_CALL Debug_wglGetExtensionsStringEXT() {
-  GL_SERVICE_LOG("wglGetExtensionsStringEXT"
-                 << "("
-                 << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglGetExtensionsStringEXTFn != nullptr);
-  const char* result = g_driver_wgl.debug_fn.wglGetExtensionsStringEXTFn();
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static HDC GL_BINDING_CALL Debug_wglGetPbufferDCARB(HPBUFFERARB hPbuffer) {
-  GL_SERVICE_LOG("wglGetPbufferDCARB"
-                 << "(" << hPbuffer << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglGetPbufferDCARBFn != nullptr);
-  HDC result = g_driver_wgl.debug_fn.wglGetPbufferDCARBFn(hPbuffer);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglMakeCurrent(HDC hdc, HGLRC hglrc) {
-  GL_SERVICE_LOG("wglMakeCurrent"
-                 << "(" << hdc << ", " << hglrc << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglMakeCurrentFn != nullptr);
-  BOOL result = g_driver_wgl.debug_fn.wglMakeCurrentFn(hdc, hglrc);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglQueryPbufferARB(HPBUFFERARB hPbuffer,
-                                                     int iAttribute,
-                                                     int* piValue) {
-  GL_SERVICE_LOG("wglQueryPbufferARB"
-                 << "(" << hPbuffer << ", " << iAttribute << ", "
-                 << static_cast<const void*>(piValue) << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglQueryPbufferARBFn != nullptr);
-  BOOL result =
-      g_driver_wgl.debug_fn.wglQueryPbufferARBFn(hPbuffer, iAttribute, piValue);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static int GL_BINDING_CALL Debug_wglReleasePbufferDCARB(HPBUFFERARB hPbuffer,
-                                                        HDC hDC) {
-  GL_SERVICE_LOG("wglReleasePbufferDCARB"
-                 << "(" << hPbuffer << ", " << hDC << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglReleasePbufferDCARBFn != nullptr);
-  int result = g_driver_wgl.debug_fn.wglReleasePbufferDCARBFn(hPbuffer, hDC);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
-  GL_SERVICE_LOG("wglShareLists"
-                 << "(" << hglrc1 << ", " << hglrc2 << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglShareListsFn != nullptr);
-  BOOL result = g_driver_wgl.debug_fn.wglShareListsFn(hglrc1, hglrc2);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglSwapIntervalEXT(int interval) {
-  GL_SERVICE_LOG("wglSwapIntervalEXT"
-                 << "(" << interval << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglSwapIntervalEXTFn != nullptr);
-  BOOL result = g_driver_wgl.debug_fn.wglSwapIntervalEXTFn(interval);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-
-static BOOL GL_BINDING_CALL Debug_wglSwapLayerBuffers(HDC hdc, UINT fuPlanes) {
-  GL_SERVICE_LOG("wglSwapLayerBuffers"
-                 << "(" << hdc << ", " << fuPlanes << ")");
-  DCHECK(g_driver_wgl.debug_fn.wglSwapLayerBuffersFn != nullptr);
-  BOOL result = g_driver_wgl.debug_fn.wglSwapLayerBuffersFn(hdc, fuPlanes);
-  GL_SERVICE_LOG("GL_RESULT: " << result);
-  return result;
-}
-}  // extern "C"
-
-void DriverWGL::InitializeDebugBindings() {
-  if (!debug_fn.wglChoosePixelFormatARBFn) {
-    debug_fn.wglChoosePixelFormatARBFn = fn.wglChoosePixelFormatARBFn;
-    fn.wglChoosePixelFormatARBFn = Debug_wglChoosePixelFormatARB;
-  }
-  if (!debug_fn.wglCopyContextFn) {
-    debug_fn.wglCopyContextFn = fn.wglCopyContextFn;
-    fn.wglCopyContextFn = Debug_wglCopyContext;
-  }
-  if (!debug_fn.wglCreateContextFn) {
-    debug_fn.wglCreateContextFn = fn.wglCreateContextFn;
-    fn.wglCreateContextFn = Debug_wglCreateContext;
-  }
-  if (!debug_fn.wglCreateContextAttribsARBFn) {
-    debug_fn.wglCreateContextAttribsARBFn = fn.wglCreateContextAttribsARBFn;
-    fn.wglCreateContextAttribsARBFn = Debug_wglCreateContextAttribsARB;
-  }
-  if (!debug_fn.wglCreateLayerContextFn) {
-    debug_fn.wglCreateLayerContextFn = fn.wglCreateLayerContextFn;
-    fn.wglCreateLayerContextFn = Debug_wglCreateLayerContext;
-  }
-  if (!debug_fn.wglCreatePbufferARBFn) {
-    debug_fn.wglCreatePbufferARBFn = fn.wglCreatePbufferARBFn;
-    fn.wglCreatePbufferARBFn = Debug_wglCreatePbufferARB;
-  }
-  if (!debug_fn.wglDeleteContextFn) {
-    debug_fn.wglDeleteContextFn = fn.wglDeleteContextFn;
-    fn.wglDeleteContextFn = Debug_wglDeleteContext;
-  }
-  if (!debug_fn.wglDestroyPbufferARBFn) {
-    debug_fn.wglDestroyPbufferARBFn = fn.wglDestroyPbufferARBFn;
-    fn.wglDestroyPbufferARBFn = Debug_wglDestroyPbufferARB;
-  }
-  if (!debug_fn.wglGetCurrentContextFn) {
-    debug_fn.wglGetCurrentContextFn = fn.wglGetCurrentContextFn;
-    fn.wglGetCurrentContextFn = Debug_wglGetCurrentContext;
-  }
-  if (!debug_fn.wglGetCurrentDCFn) {
-    debug_fn.wglGetCurrentDCFn = fn.wglGetCurrentDCFn;
-    fn.wglGetCurrentDCFn = Debug_wglGetCurrentDC;
-  }
-  if (!debug_fn.wglGetExtensionsStringARBFn) {
-    debug_fn.wglGetExtensionsStringARBFn = fn.wglGetExtensionsStringARBFn;
-    fn.wglGetExtensionsStringARBFn = Debug_wglGetExtensionsStringARB;
-  }
-  if (!debug_fn.wglGetExtensionsStringEXTFn) {
-    debug_fn.wglGetExtensionsStringEXTFn = fn.wglGetExtensionsStringEXTFn;
-    fn.wglGetExtensionsStringEXTFn = Debug_wglGetExtensionsStringEXT;
-  }
-  if (!debug_fn.wglGetPbufferDCARBFn) {
-    debug_fn.wglGetPbufferDCARBFn = fn.wglGetPbufferDCARBFn;
-    fn.wglGetPbufferDCARBFn = Debug_wglGetPbufferDCARB;
-  }
-  if (!debug_fn.wglMakeCurrentFn) {
-    debug_fn.wglMakeCurrentFn = fn.wglMakeCurrentFn;
-    fn.wglMakeCurrentFn = Debug_wglMakeCurrent;
-  }
-  if (!debug_fn.wglQueryPbufferARBFn) {
-    debug_fn.wglQueryPbufferARBFn = fn.wglQueryPbufferARBFn;
-    fn.wglQueryPbufferARBFn = Debug_wglQueryPbufferARB;
-  }
-  if (!debug_fn.wglReleasePbufferDCARBFn) {
-    debug_fn.wglReleasePbufferDCARBFn = fn.wglReleasePbufferDCARBFn;
-    fn.wglReleasePbufferDCARBFn = Debug_wglReleasePbufferDCARB;
-  }
-  if (!debug_fn.wglShareListsFn) {
-    debug_fn.wglShareListsFn = fn.wglShareListsFn;
-    fn.wglShareListsFn = Debug_wglShareLists;
-  }
-  if (!debug_fn.wglSwapIntervalEXTFn) {
-    debug_fn.wglSwapIntervalEXTFn = fn.wglSwapIntervalEXTFn;
-    fn.wglSwapIntervalEXTFn = Debug_wglSwapIntervalEXT;
-  }
-  if (!debug_fn.wglSwapLayerBuffersFn) {
-    debug_fn.wglSwapLayerBuffersFn = fn.wglSwapLayerBuffersFn;
-    fn.wglSwapLayerBuffersFn = Debug_wglSwapLayerBuffers;
-  }
-  g_debugBindingsInitialized = true;
 }
 
 void DriverWGL::ClearBindings() {
   memset(this, 0, sizeof(*this));
 }
 
 BOOL WGLApiBase::wglChoosePixelFormatARBFn(HDC dc,
                                            const int* int_attrib_list,
                                            const float* float_attrib_list,
                                            UINT max_formats,
@@ skipping 190 matching lines @@
 BOOL TraceWGLApi::wglSwapIntervalEXTFn(int interval) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::wglSwapIntervalEXT")
   return wgl_api_->wglSwapIntervalEXTFn(interval);
 }
 
 BOOL TraceWGLApi::wglSwapLayerBuffersFn(HDC hdc, UINT fuPlanes) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::wglSwapLayerBuffers")
   return wgl_api_->wglSwapLayerBuffersFn(hdc, fuPlanes);
 }
 
+BOOL DebugWGLApi::wglChoosePixelFormatARBFn(HDC dc,
+                                            const int* int_attrib_list,
+                                            const float* float_attrib_list,
+                                            UINT max_formats,
+                                            int* formats,
+                                            UINT* num_formats) {
+  GL_SERVICE_LOG("wglChoosePixelFormatARB"
+                 << "(" << dc << ", "
+                 << static_cast<const void*>(int_attrib_list) << ", "
+                 << static_cast<const void*>(float_attrib_list) << ", "
+                 << max_formats << ", " << static_cast<const void*>(formats)
+                 << ", " << static_cast<const void*>(num_formats) << ")");
+  BOOL result = wgl_api_->wglChoosePixelFormatARBFn(
+      dc, int_attrib_list, float_attrib_list, max_formats, formats,
+      num_formats);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglCopyContextFn(HGLRC hglrcSrc, HGLRC hglrcDst, UINT mask) {
+  GL_SERVICE_LOG("wglCopyContext"
+                 << "(" << hglrcSrc << ", " << hglrcDst << ", " << mask << ")");
+  BOOL result = wgl_api_->wglCopyContextFn(hglrcSrc, hglrcDst, mask);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+HGLRC DebugWGLApi::wglCreateContextFn(HDC hdc) {
+  GL_SERVICE_LOG("wglCreateContext"
+                 << "(" << hdc << ")");
+  HGLRC result = wgl_api_->wglCreateContextFn(hdc);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+HGLRC DebugWGLApi::wglCreateContextAttribsARBFn(HDC hDC,
+                                                HGLRC hShareContext,
+                                                const int* attribList) {
+  GL_SERVICE_LOG("wglCreateContextAttribsARB"
+                 << "(" << hDC << ", " << hShareContext << ", "
+                 << static_cast<const void*>(attribList) << ")");
+  HGLRC result =
+      wgl_api_->wglCreateContextAttribsARBFn(hDC, hShareContext, attribList);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+HGLRC DebugWGLApi::wglCreateLayerContextFn(HDC hdc, int iLayerPlane) {
+  GL_SERVICE_LOG("wglCreateLayerContext"
+                 << "(" << hdc << ", " << iLayerPlane << ")");
+  HGLRC result = wgl_api_->wglCreateLayerContextFn(hdc, iLayerPlane);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+HPBUFFERARB DebugWGLApi::wglCreatePbufferARBFn(HDC hDC,
+                                               int iPixelFormat,
+                                               int iWidth,
+                                               int iHeight,
+                                               const int* piAttribList) {
+  GL_SERVICE_LOG("wglCreatePbufferARB"
+                 << "(" << hDC << ", " << iPixelFormat << ", " << iWidth << ", "
+                 << iHeight << ", " << static_cast<const void*>(piAttribList)
+                 << ")");
+  HPBUFFERARB result = wgl_api_->wglCreatePbufferARBFn(
+      hDC, iPixelFormat, iWidth, iHeight, piAttribList);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglDeleteContextFn(HGLRC hglrc) {
+  GL_SERVICE_LOG("wglDeleteContext"
+                 << "(" << hglrc << ")");
+  BOOL result = wgl_api_->wglDeleteContextFn(hglrc);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglDestroyPbufferARBFn(HPBUFFERARB hPbuffer) {
+  GL_SERVICE_LOG("wglDestroyPbufferARB"
+                 << "(" << hPbuffer << ")");
+  BOOL result = wgl_api_->wglDestroyPbufferARBFn(hPbuffer);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+HGLRC DebugWGLApi::wglGetCurrentContextFn() {
+  GL_SERVICE_LOG("wglGetCurrentContext"
+                 << "("
+                 << ")");
+  HGLRC result = wgl_api_->wglGetCurrentContextFn();
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+HDC DebugWGLApi::wglGetCurrentDCFn() {
+  GL_SERVICE_LOG("wglGetCurrentDC"
+                 << "("
+                 << ")");
+  HDC result = wgl_api_->wglGetCurrentDCFn();
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+const char* DebugWGLApi::wglGetExtensionsStringARBFn(HDC hDC) {
+  GL_SERVICE_LOG("wglGetExtensionsStringARB"
+                 << "(" << hDC << ")");
+  const char* result = wgl_api_->wglGetExtensionsStringARBFn(hDC);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+const char* DebugWGLApi::wglGetExtensionsStringEXTFn() {
+  GL_SERVICE_LOG("wglGetExtensionsStringEXT"
+                 << "("
+                 << ")");
+  const char* result = wgl_api_->wglGetExtensionsStringEXTFn();
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+HDC DebugWGLApi::wglGetPbufferDCARBFn(HPBUFFERARB hPbuffer) {
+  GL_SERVICE_LOG("wglGetPbufferDCARB"
+                 << "(" << hPbuffer << ")");
+  HDC result = wgl_api_->wglGetPbufferDCARBFn(hPbuffer);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglMakeCurrentFn(HDC hdc, HGLRC hglrc) {
+  GL_SERVICE_LOG("wglMakeCurrent"
+                 << "(" << hdc << ", " << hglrc << ")");
+  BOOL result = wgl_api_->wglMakeCurrentFn(hdc, hglrc);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglQueryPbufferARBFn(HPBUFFERARB hPbuffer,
+                                       int iAttribute,
+                                       int* piValue) {
+  GL_SERVICE_LOG("wglQueryPbufferARB"
+                 << "(" << hPbuffer << ", " << iAttribute << ", "
+                 << static_cast<const void*>(piValue) << ")");
+  BOOL result = wgl_api_->wglQueryPbufferARBFn(hPbuffer, iAttribute, piValue);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+int DebugWGLApi::wglReleasePbufferDCARBFn(HPBUFFERARB hPbuffer, HDC hDC) {
+  GL_SERVICE_LOG("wglReleasePbufferDCARB"
+                 << "(" << hPbuffer << ", " << hDC << ")");
+  int result = wgl_api_->wglReleasePbufferDCARBFn(hPbuffer, hDC);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglShareListsFn(HGLRC hglrc1, HGLRC hglrc2) {
+  GL_SERVICE_LOG("wglShareLists"
+                 << "(" << hglrc1 << ", " << hglrc2 << ")");
+  BOOL result = wgl_api_->wglShareListsFn(hglrc1, hglrc2);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglSwapIntervalEXTFn(int interval) {
+  GL_SERVICE_LOG("wglSwapIntervalEXT"
+                 << "(" << interval << ")");
+  BOOL result = wgl_api_->wglSwapIntervalEXTFn(interval);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
+BOOL DebugWGLApi::wglSwapLayerBuffersFn(HDC hdc, UINT fuPlanes) {
+  GL_SERVICE_LOG("wglSwapLayerBuffers"
+                 << "(" << hdc << ", " << fuPlanes << ")");
+  BOOL result = wgl_api_->wglSwapLayerBuffersFn(hdc, fuPlanes);
+  GL_SERVICE_LOG("GL_RESULT: " << result);
+  return result;
+}
+
 }  // namespace gl