ui/gl/gl_context_stub_with_extensions.h

   1 // Copyright 2014 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_CONTEXT_STUB_WITH_EXTENSIONS_H_
   6 #define UI_GL_GL_CONTEXT_STUB_WITH_EXTENSIONS_H_
   7
   8 #include "ui/gl/gl_context_stub.h"
   9
  10 namespace gfx {
  11
  12 // Lightweight GLContext stub implementation that returns a constructed
  13 // extensions string.  We use this to create a context that we can use to
  14 // initialize GL extensions with, without actually creating a platform context.
  15 class GL_EXPORT GLContextStubWithExtensions : public gfx::GLContextStub {
  16  public:
  17   GLContextStubWithExtensions() {}
  18   std::string GetExtensions() override;
  19
  20   void AddExtensionsString(const char* extensions);
  21   void SetGLVersionString(const char* version_str);
  22   bool WasAllocatedUsingRobustnessExtension() override;
  23
  24  protected:
  25   std::string GetGLVersion() override;
  26
  27   ~GLContextStubWithExtensions() override {}
  28
  29  private:
  30   std::string extensions_;
  31   std::string version_str_;
  32
  33   DISALLOW_COPY_AND_ASSIGN(GLContextStubWithExtensions);
  34 };
  35
  36 }  // namespace gfx
  37
  38 #endif  // UI_GL_GL_CONTEXT_STUB_WITH_EXTENSIONS_H_