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/IOSurface.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 #if defined(__OBJC__)
  16 @class CALayer;
  17 #else
  18 typedef void* CALayer;
  19 #endif
  20
  21 namespace gfx {
  22
  23 class GL_EXPORT GLImageIOSurface : public GLImage {
  24  public:
  25   GLImageIOSurface(gfx::GenericSharedMemoryId io_surface_id,
  26                    const gfx::Size& size,
  27                    unsigned internalformat);
  28
  29   bool Initialize(IOSurfaceRef io_surface, BufferFormat format);
  30
  31   // Overridden from GLImage:
  32   void Destroy(bool have_context) override;
  33   gfx::Size GetSize() override;
  34   unsigned GetInternalFormat() override;
  35   bool BindTexImage(unsigned target) override;
  36   void ReleaseTexImage(unsigned target) override {}
  37   bool CopyTexSubImage(unsigned target,
  38                        const Point& offset,
  39                        const Rect& rect) override;
  40   void WillUseTexImage() override {}
  41   void DidUseTexImage() override {}
  42   void WillModifyTexImage() override {}
  43   void DidModifyTexImage() override {}
  44   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
  45                             int z_order,
  46                             OverlayTransform transform,
  47                             const Rect& bounds_rect,
  48                             const RectF& crop_rect) override;
  49   void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
  50                     uint64_t process_tracing_id,
  51                     const std::string& dump_name) override;
  52
  53   base::ScopedCFTypeRef<IOSurfaceRef> io_surface();
  54
  55   static void SetLayerForWidget(gfx::AcceleratedWidget widget,
  56                                 CALayer* layer);
  57
  58  protected:
  59   ~GLImageIOSurface() override;
  60
  61  private:
  62   gfx::GenericSharedMemoryId io_surface_id_;
  63   const gfx::Size size_;
  64   const unsigned internalformat_;
  65   BufferFormat format_;
  66   base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
  67   base::ThreadChecker thread_checker_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(GLImageIOSurface);
  70 };
  71
  72 }  // namespace gfx
  73
  74 #endif  // UI_GL_GL_IMAGE_IO_SURFACE_H_