chromium/ui/ozone/platform/drm/gpu/crtc_commit_request.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/ozone/platform/drm/gpu/crtc_commit_request.h"
#include "third_party/perfetto/include/perfetto/tracing/traced_value.h"
#include "ui/ozone/platform/drm/gpu/drm_gpu_util.h"
#include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager.h"

namespace ui {

CrtcCommitRequest::CrtcCommitRequest(uint32_t crtc_id,
                                     uint32_t connector_id,
                                     drmModeModeInfo mode,
                                     gfx::Point origin,
                                     HardwareDisplayPlaneList* plane_list,
                                     DrmOverlayPlaneList overlays,
                                     bool enable_vrr,
                                     bool should_enable_crtc)
    : should_enable_crtc_(should_enable_crtc),
      crtc_id_(crtc_id),
      connector_id_(connector_id),
      mode_(mode),
      origin_(origin),
      plane_list_(plane_list),
      overlays_(std::move(overlays)),
      enable_vrr_(enable_vrr) {
  // Verify that at least one overlay plane is a primary plane if we're enabling
  // a CRTC.
  DCHECK(!should_enable_crtc || DrmOverlayPlane::GetPrimaryPlane(overlays_));
}

CrtcCommitRequest::~CrtcCommitRequest() = default;

CrtcCommitRequest::CrtcCommitRequest(const CrtcCommitRequest& other)
    : should_enable_crtc_(other.should_enable_crtc_),
      crtc_id_(other.crtc_id_),
      connector_id_(other.connector_id_),
      mode_(other.mode_),
      origin_(other.origin_),
      plane_list_(other.plane_list_),
      overlays_(DrmOverlayPlane::Clone(other.overlays_)),
      enable_vrr_(other.enable_vrr_) {}

void CrtcCommitRequest::WriteIntoTrace(perfetto::TracedValue context) const {
  auto dict = std::move(context).WriteDictionary();

  dict.Add("should_enable_crtc", should_enable_crtc_);
  dict.Add("crtc_id", crtc_id_);
  dict.Add("connector_id", connector_id_);
  dict.Add("origin", origin_.ToString());

  DrmWriteIntoTraceHelper(mode_, dict.AddItem("mode"));

  dict.Add("hardware_display_plane_list", plane_list_.get());

  dict.Add("overlays", overlays_);
  dict.Add("enable_vrr", enable_vrr_);
}

// static
CrtcCommitRequest CrtcCommitRequest::EnableCrtcRequest(
    uint32_t crtc_id,
    uint32_t connector_id,
    drmModeModeInfo mode,
    gfx::Point origin,
    HardwareDisplayPlaneList* plane_list,
    DrmOverlayPlaneList overlays,
    bool enable_vrr) {
  DCHECK(plane_list && !overlays.empty());

  return CrtcCommitRequest(crtc_id, connector_id, mode, origin, plane_list,
                           std::move(overlays), enable_vrr,
                           /*should_enable_crtc_=*/true);
}

// static
CrtcCommitRequest CrtcCommitRequest::DisableCrtcRequest(
    uint32_t crtc_id,
    uint32_t connector_id,
    HardwareDisplayPlaneList* plane_list) {
  return CrtcCommitRequest(crtc_id, connector_id, {}, gfx::Point(), plane_list,
                           DrmOverlayPlaneList(), /*enable_vrr=*/false,
                           /*should_enable_crtc_=*/false);
}

}  // namespace ui