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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_IPC_SERVICE_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_
#define GPU_IPC_SERVICE_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_
#include <vector>
#include "base/memory/weak_ptr.h"
#include "gpu/ipc/service/command_buffer_stub.h"
#include "gpu/ipc/service/image_transport_surface.h"
#include "ui/gfx/ca_layer_result.h"
#include "ui/gfx/presentation_feedback.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_surface.h"
#include "ui/gl/presenter.h"
// Put ui/display/mac/display_link_mac.h after ui/gl/gl_xxx.h. There is a
// conflict between macOS sdk gltypes.h and third_party/mesa_headers/GL/glext.h.
#if BUILDFLAG(IS_MAC)
#include "ui/display/mac/display_link_mac.h"
#include "ui/display/types/display_constants.h"
#endif
#if BUILDFLAG(IS_IOS) && !BUILDFLAG(IS_IOS_TVOS)
#include <BrowserEngineKit/BrowserEngineKit.h>
#endif
@class CAContext;
@class CALayer;
namespace ui {
class CALayerTreeCoordinator;
struct CARendererLayerParams;
}
namespace gpu {
class ImageTransportSurfaceOverlayMacEGL : public gl::Presenter {
public:
ImageTransportSurfaceOverlayMacEGL(
scoped_refptr<SharedContextState> context_state,
SurfaceHandle surface_handle);
// Presenter implementation
bool Resize(const gfx::Size& size,
float scale_factor,
const gfx::ColorSpace& color_space,
bool has_alpha) override;
void Present(SwapCompletionCallback completion_callback,
PresentationCallback presentation_callback,
gfx::FrameData data) override;
bool ScheduleOverlayPlane(
gl::OverlayImage image,
std::unique_ptr<gfx::GpuFence> gpu_fence,
const gfx::OverlayPlaneData& overlay_plane_data) override;
bool ScheduleCALayer(const ui::CARendererLayerParams& params) override;
void SetMaxPendingSwaps(int max_pending_swaps) override;
#if BUILDFLAG(IS_MAC)
// GLSurface override
void SetVSyncDisplayID(int64_t display_id) override;
void OnVSyncPresentation(ui::VSyncParamsMac params);
#endif
private:
~ImageTransportSurfaceOverlayMacEGL() override;
gfx::SwapResult SwapBuffersInternal(
gl::GLSurface::SwapCompletionCallback completion_callback,
gl::GLSurface::PresentationCallback presentation_callback);
void BufferPresented(gl::GLSurface::PresentationCallback callback,
const gfx::PresentationFeedback& feedback);
void CommitPresentedFrameToCA();
std::unique_ptr<ui::CALayerTreeCoordinator> ca_layer_tree_coordinator_;
#if BUILDFLAG(IS_MAC)
// The expected display time from CVDisplayLinkCallback for the frame being
// committed.
base::TimeTicks GetDisplaytime(base::TimeTicks latch_time);
// CGDirectDisplayID of the current monitor used for Creating CVDisplayLink.
int64_t display_id_ = display::kInvalidDisplayId;
scoped_refptr<ui::DisplayLinkMac> display_link_mac_;
std::unique_ptr<ui::VSyncCallbackMac> vsync_callback_mac_;
// This is the number of vsync_callbacks running without populating CaLayer
// parameters, used for detecting consecutive frames.
int vsync_callback_mac_keep_alive_counter_ = 0;
// Ensure vsync_callback_mac_ is still alive in the case of frame rate
// throttling such as 30 fps video playback.
// With a reduced frame rate from 60 fps to 30 fps, we skip every other
// VSyncCallback. To prevent VSyncCallback from being turning on and off, this
// keep_alive_counter is added.
constexpr static int kMaxKeepAliveCounter = 8;
// Parameters from CVDisplayLinkCallback
base::TimeTicks current_display_time_;
base::TimeTicks next_display_time_;
base::TimeDelta frame_interval_;
#endif
#if BUILDFLAG(IS_IOS) && !BUILDFLAG(IS_IOS_TVOS)
BELayerHierarchy* __strong layer_hierarchy_;
#endif
int cap_max_pending_swaps_ = 1;
base::WeakPtrFactory<ImageTransportSurfaceOverlayMacEGL> weak_ptr_factory_;
};
} // namespace gpu
#endif // GPU_IPC_SERVICE_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_
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