blob: 90625959b0a8b80cc0c160d4cf246822cbdb17ad [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <list>
#include "content/common/gpu/image_transport_surface_fbo_mac.h"
// Note that this must be included after gl_bindings.h to avoid conflicts.
#include <OpenGL/CGLIOSurface.h>
namespace content {
// Allocate IOSurface-backed storage for an FBO image transport surface.
class IOSurfaceStorageProvider
: public ImageTransportSurfaceFBO::StorageProvider {
IOSurfaceStorageProvider(ImageTransportSurfaceFBO* transport_surface);
~IOSurfaceStorageProvider() override;
// ImageTransportSurfaceFBO::StorageProvider implementation:
gfx::Size GetRoundedSize(gfx::Size size) override;
bool AllocateColorBufferStorage(
CGLContextObj context, const base::Closure& context_dirtied_callback,
GLuint texture, gfx::Size pixel_size, float scale_factor) override;
void FreeColorBufferStorage() override;
void FrameSizeChanged(
const gfx::Size& pixel_size, float scale_factor) override;
void SwapBuffers() override;
void WillWriteToBackbuffer() override;
void DiscardBackbuffer() override;
void SwapBuffersAckedByBrowser(bool disable_throttling) override;
ImageTransportSurfaceFBO* transport_surface_;
base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
gfx::Size frame_pixel_size_;
float frame_scale_factor_;
// The list of IOSurfaces that have been sent to the browser process but have
// not been opened in the browser process yet. This list should never have
// more than one entry.
std::list<base::ScopedCFTypeRef<IOSurfaceRef>> pending_swapped_surfaces_;
// The id of |io_surface_| or 0 if that's NULL.
IOSurfaceID io_surface_id_;
} // namespace content