ui/gl/gl_wgl_api_implementation.h

   1 // Copyright (c) 2012 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 #ifndef UI_GL_GL_WGL_API_IMPLEMENTATION_H_
   6 #define UI_GL_GL_WGL_API_IMPLEMENTATION_H_
   7
   8 #include <vector>
   9
  10 #include "base/compiler_specific.h"
  11 #include "ui/gl/gl_bindings.h"
  12 #include "ui/gl/gl_export.h"
  13
  14 namespace base {
  15 class CommandLine;
  16 }
  17 namespace gfx {
  18
  19 class GLContext;
  20 struct GLWindowSystemBindingInfo;
  21
  22 void InitializeStaticGLBindingsWGL();
  23 void InitializeDebugGLBindingsWGL();
  24 void ClearGLBindingsWGL();
  25 bool GetGLWindowSystemBindingInfoWGL(GLWindowSystemBindingInfo* info);
  26
  27 class GL_EXPORT WGLApiBase : public WGLApi {
  28  public:
  29   // Include the auto-generated part of this class. We split this because
  30   // it means we can easily edit the non-auto generated parts right here in
  31   // this file instead of having to edit some template or the code generator.
  32   #include "gl_bindings_api_autogen_wgl.h"
  33
  34  protected:
  35   WGLApiBase();
  36   ~WGLApiBase() override;
  37   void InitializeBase(DriverWGL* driver);
  38
  39   DriverWGL* driver_;
  40 };
  41
  42 class GL_EXPORT RealWGLApi : public WGLApiBase {
  43  public:
  44   RealWGLApi();
  45   ~RealWGLApi() override;
  46   void Initialize(DriverWGL* driver);
  47   void InitializeWithCommandLine(DriverWGL* driver,
  48                                  base::CommandLine* command_line);
  49
  50   const char* wglGetExtensionsStringARBFn(HDC hDC) override;
  51   const char* wglGetExtensionsStringEXTFn() override;
  52  private:
  53
  54   std::vector<std::string> disabled_exts_;
  55   std::string filtered_arb_exts_;
  56   std::string filtered_ext_exts_;
  57 };
  58
  59 // Inserts a TRACE for every WGL call.
  60 class GL_EXPORT TraceWGLApi : public WGLApi {
  61  public:
  62   TraceWGLApi(WGLApi* wgl_api) : wgl_api_(wgl_api) { }
  63   ~TraceWGLApi() override;
  64
  65   // Include the auto-generated part of this class. We split this because
  66   // it means we can easily edit the non-auto generated parts right here in
  67   // this file instead of having to edit some template or the code generator.
  68   #include "gl_bindings_api_autogen_wgl.h"
  69
  70  private:
  71   WGLApi* wgl_api_;
  72 };
  73
  74 }  // namespace gfx
  75
  76 #endif  // UI_GL_GL_WGL_API_IMPLEMENTATION_H_
  77
  78
  79