ui/gl/gl_image_io_surface.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_IO_SURFACE_H_
   6 #define UI_GL_GL_IMAGE_IO_SURFACE_H_
   7
   8 #include <IOSurface/IOSurfaceAPI.h>
   9
  10 #include "base/mac/scoped_cftyperef.h"
  11 #include "base/threading/thread_checker.h"
  12 #include "ui/gfx/gpu_memory_buffer.h"
  13 #include "ui/gl/gl_image.h"
  14
  15 namespace gfx {
  16
  17 class GL_EXPORT GLImageIOSurface : public GLImage {
  18  public:
  19   explicit GLImageIOSurface(const gfx::Size& size);
  20
  21   bool Initialize(IOSurfaceRef io_surface);
  22
  23   // Overridden from GLImage:
  24   void Destroy(bool have_context) override;
  25   gfx::Size GetSize() override;
  26   bool BindTexImage(unsigned target) override;
  27   void ReleaseTexImage(unsigned target) override {}
  28   bool CopyTexImage(unsigned target) override;
  29   void WillUseTexImage() override {}
  30   void DidUseTexImage() override {}
  31   void WillModifyTexImage() override {}
  32   void DidModifyTexImage() override {}
  33   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
  34                             int z_order,
  35                             OverlayTransform transform,
  36                             const Rect& bounds_rect,
  37                             const RectF& crop_rect) override;
  38
  39  protected:
  40   ~GLImageIOSurface() override;
  41
  42  private:
  43   base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
  44   const gfx::Size size_;
  45   base::ThreadChecker thread_checker_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(GLImageIOSurface);
  48 };
  49
  50 }  // namespace gfx
  51
  52 #endif  // UI_GL_GL_IMAGE_IO_SURFACE_H_