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   GLImageIOSurface(const gfx::Size& size, unsigned internalformat);
  20
  21   bool Initialize(IOSurfaceRef io_surface, GpuMemoryBuffer::Format format);
  22
  23   // Overridden from GLImage:
  24   void Destroy(bool have_context) override;
  25   gfx::Size GetSize() override;
  26   unsigned GetInternalFormat() override;
  27   bool BindTexImage(unsigned target) override;
  28   void ReleaseTexImage(unsigned target) override {}
  29   bool CopyTexSubImage(unsigned target,
  30                        const Point& offset,
  31                        const Rect& rect) override;
  32   void WillUseTexImage() override {}
  33   void DidUseTexImage() override {}
  34   void WillModifyTexImage() override {}
  35   void DidModifyTexImage() override {}
  36   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
  37                             int z_order,
  38                             OverlayTransform transform,
  39                             const Rect& bounds_rect,
  40                             const RectF& crop_rect) override;
  41
  42  protected:
  43   ~GLImageIOSurface() override;
  44
  45  private:
  46   const gfx::Size size_;
  47   const unsigned internalformat_;
  48   GpuMemoryBuffer::Format format_;
  49   base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
  50   base::ThreadChecker thread_checker_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(GLImageIOSurface);
  53 };
  54
  55 }  // namespace gfx
  56
  57 #endif  // UI_GL_GL_IMAGE_IO_SURFACE_H_