1 // Copyright 2014 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.
5 #ifndef CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_IOSURFACE_MAC_H_
6 #define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_IOSURFACE_MAC_H_
10 #include "content/common/gpu/image_transport_surface_fbo_mac.h"
11 #include "ui/gl/gl_bindings.h"
13 // Note that this must be included after gl_bindings.h to avoid conflicts.
14 #include <OpenGL/CGLIOSurface.h>
18 // Allocate IOSurface-backed storage for an FBO image transport surface.
19 class IOSurfaceStorageProvider
20 : public ImageTransportSurfaceFBO::StorageProvider {
22 IOSurfaceStorageProvider(ImageTransportSurfaceFBO* transport_surface);
23 virtual ~IOSurfaceStorageProvider();
25 // ImageTransportSurfaceFBO::StorageProvider implementation:
26 virtual gfx::Size GetRoundedSize(gfx::Size size) OVERRIDE;
27 virtual bool AllocateColorBufferStorage(
28 CGLContextObj context, GLuint texture,
29 gfx::Size pixel_size, float scale_factor) OVERRIDE;
30 virtual void FreeColorBufferStorage() OVERRIDE;
31 virtual uint64 GetSurfaceHandle() const OVERRIDE;
32 virtual void WillSwapBuffers() OVERRIDE;
33 virtual void CanFreeSwappedBuffer() OVERRIDE;
36 ImageTransportSurfaceFBO* transport_surface_;
38 base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
40 // The list of IOSurfaces that have been sent to the browser process but have
41 // not been opened in the browser process yet. This list should never have
42 // more than one entry.
43 std::list<base::ScopedCFTypeRef<IOSurfaceRef>> pending_swapped_surfaces_;
45 // The id of |io_surface_| or 0 if that's NULL.
46 IOSurfaceID io_surface_id_;
48 DISALLOW_COPY_AND_ASSIGN(IOSurfaceStorageProvider);
51 } // namespace content
53 #endif // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_MAC_H_