blob: 64af450ed36a982124c6fcce7056b4058140747a [file] [log] [blame]
// Copyright 2017 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 "build/build_config.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gfx_export.h"
#if defined(OS_MAC)
#include "ui/gfx/mac/io_surface.h"
namespace gfx {
// The parameters required to add a composited frame to a CALayer. This
// is used only on macOS.
struct GFX_EXPORT CALayerParams {
CALayerParams(CALayerParams&& params);
CALayerParams(const CALayerParams& params);
CALayerParams& operator=(CALayerParams&& params);
CALayerParams& operator=(const CALayerParams& params);
// The |is_empty| flag is used to short-circuit code to handle CALayerParams
// on non-macOS platforms.
bool is_empty = true;
// Can be used to instantiate a CALayerTreeHost in the browser process, which
// will display a CALayerTree rooted in the GPU process. This is non-zero when
// using remote CoreAnimation.
uint32_t ca_context_id = 0;
// Used to set the contents of a CALayer in the browser to an IOSurface that
// is specified by the GPU process. This is non-null iff |ca_context_id| is
// zero.
#if defined(OS_MAC)
gfx::ScopedRefCountedIOSurfaceMachPort io_surface_mach_port;
// The geometry of the frame.
gfx::Size pixel_size;
float scale_factor = 1.f;
} // namespace gfx