cc/layers/io_surface_layer_impl.h

   1 // Copyright 2012 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 CC_LAYERS_IO_SURFACE_LAYER_IMPL_H_
   6 #define CC_LAYERS_IO_SURFACE_LAYER_IMPL_H_
   7
   8 #include <string>
   9
  10 #include "cc/base/cc_export.h"
  11 #include "cc/layers/layer_impl.h"
  12 #include "ui/gfx/geometry/size.h"
  13
  14 namespace cc {
  15
  16 class CC_EXPORT IOSurfaceLayerImpl : public LayerImpl {
  17  public:
  18   static scoped_ptr<IOSurfaceLayerImpl> Create(LayerTreeImpl* tree_impl,
  19                                                int id) {
  20     return make_scoped_ptr(new IOSurfaceLayerImpl(tree_impl, id));
  21   }
  22   ~IOSurfaceLayerImpl() override;
  23
  24   void SetIOSurfaceProperties(unsigned io_surface_id, const gfx::Size& size);
  25
  26   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  27   void PushPropertiesTo(LayerImpl* layer_tree_impl) override;
  28
  29   void AppendQuads(RenderPass* render_pass,
  30                    const Occlusion& occlusion_in_content_space,
  31                    AppendQuadsData* append_quads_data) override;
  32
  33   bool WillDraw(DrawMode draw_mode,
  34                 ResourceProvider* resource_provider) override;
  35   void ReleaseResources() override;
  36
  37  private:
  38   IOSurfaceLayerImpl(LayerTreeImpl* tree_impl, int id);
  39
  40   void DestroyResource();
  41
  42   const char* LayerTypeAsString() const override;
  43
  44   unsigned io_surface_id_;
  45   gfx::Size io_surface_size_;
  46   bool io_surface_changed_;
  47   unsigned io_surface_resource_id_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(IOSurfaceLayerImpl);
  50 };
  51
  52 }  // namespace cc
  53
  54 #endif  // CC_LAYERS_IO_SURFACE_LAYER_IMPL_H_