ui/gl/gl_image_shm.h

   1 // Copyright 2013 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_IMAGE_SHM_H_
   6 #define UI_GL_GL_IMAGE_SHM_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/gl/gl_bindings.h"
  10 #include "ui/gl/gl_image.h"
  11
  12 namespace gfx {
  13
  14 class GL_EXPORT GLImageShm : public GLImage {
  15  public:
  16   GLImageShm(gfx::Size size, unsigned internalformat);
  17
  18   bool Initialize(gfx::GpuMemoryBufferHandle buffer);
  19
  20   // Overridden from GLImage:
  21   virtual void Destroy() OVERRIDE;
  22   virtual gfx::Size GetSize() OVERRIDE;
  23   virtual bool BindTexImage(unsigned target) OVERRIDE;
  24   virtual void ReleaseTexImage(unsigned target) OVERRIDE {}
  25   virtual void WillUseTexImage() OVERRIDE {}
  26   virtual void DidUseTexImage() OVERRIDE {}
  27   virtual void WillModifyTexImage() OVERRIDE {}
  28   virtual void DidModifyTexImage() OVERRIDE {}
  29
  30  protected:
  31   virtual ~GLImageShm();
  32
  33  private:
  34   scoped_ptr<base::SharedMemory> shared_memory_;
  35   gfx::Size size_;
  36   unsigned internalformat_;
  37 #if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \
  38     defined(USE_OZONE)
  39   GLuint egl_texture_id_;
  40   EGLImageKHR egl_image_;
  41 #endif
  42
  43   DISALLOW_COPY_AND_ASSIGN(GLImageShm);
  44 };
  45
  46 }  // namespace gfx
  47
  48 #endif  // UI_GL_GL_IMAGE_SHM_H_