ui/gl/gl_egl_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_EGL_API_IMPLEMENTATION_H_
   6 #define UI_GL_GL_EGL_API_IMPLEMENTATION_H_
   7
   8 #include <vector>
   9
  10 #include "base/compiler_specific.h"
  11 #include "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 InitializeStaticGLBindingsEGL();
  23 void InitializeDebugGLBindingsEGL();
  24 void ClearGLBindingsEGL();
  25 bool GetGLWindowSystemBindingInfoEGL(GLWindowSystemBindingInfo* info);
  26
  27 class GL_EXPORT EGLApiBase : public EGLApi {
  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_egl.h"
  33
  34  protected:
  35   EGLApiBase();
  36   ~EGLApiBase() override;
  37   void InitializeBase(DriverEGL* driver);
  38
  39   DriverEGL* driver_;
  40 };
  41
  42 class GL_EXPORT RealEGLApi : public EGLApiBase {
  43  public:
  44   RealEGLApi();
  45   ~RealEGLApi() override;
  46   void Initialize(DriverEGL* driver);
  47   void InitializeWithCommandLine(DriverEGL* driver,
  48                                  base::CommandLine* command_line);
  49   void InitializeFilteredExtensions();
  50
  51   const char* eglQueryStringFn(EGLDisplay dpy, EGLint name) override;
  52
  53  private:
  54   // Filtered EGL_EXTENSIONS we return to eglQueryStringFn() calls.
  55   std::vector<std::string> disabled_exts_;
  56   std::string filtered_exts_;
  57 };
  58
  59
  60 // Inserts a TRACE for every EGL call.
  61 class GL_EXPORT TraceEGLApi : public EGLApi {
  62  public:
  63   TraceEGLApi(EGLApi* egl_api) : egl_api_(egl_api) { }
  64   ~TraceEGLApi() override;
  65
  66   // Include the auto-generated part of this class. We split this because
  67   // it means we can easily edit the non-auto generated parts right here in
  68   // this file instead of having to edit some template or the code generator.
  69   #include "gl_bindings_api_autogen_egl.h"
  70
  71  private:
  72   EGLApi* egl_api_;
  73 };
  74
  75 }  // namespace gfx
  76
  77 #endif  // UI_GL_GL_EGL_API_IMPLEMENTATION_H_
  78
  79
  80