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ui/ozone/platform/dri/hardware_display_controller.cc

Index: ui/ozone/platform/dri/hardware_display_controller.cc
diff --git a/ui/ozone/platform/dri/hardware_display_controller.cc b/ui/ozone/platform/dri/hardware_display_controller.cc
deleted file mode 100644
index ee4e4a94626adf892b35a605a2b22e1ee7a540d2..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/hardware_display_controller.cc
+++ /dev/null
@@ -1,219 +0,0 @@
-// 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 "ui/ozone/platform/dri/hardware_display_controller.h"
-
-#include <drm.h>
-#include <errno.h>
-#include <string.h>
-#include <xf86drm.h>
-
-#include "base/basictypes.h"
-#include "base/debug/trace_event.h"
-#include "base/logging.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "ui/gfx/geometry/point.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/ozone/platform/dri/crtc_controller.h"
-#include "ui/ozone/platform/dri/dri_buffer.h"
-#include "ui/ozone/platform/dri/dri_wrapper.h"
-#include "ui/ozone/public/native_pixmap.h"
-
-namespace ui {
-
-namespace {
-
-// DRM callback on page flip events. This callback is triggered after the
-// page flip has happened and the backbuffer is now the new frontbuffer
-// The old frontbuffer is no longer used by the hardware and can be used for
-// future draw operations.
-//
-// |device| will contain a reference to the |ScanoutSurface| object which
-// the event belongs to.
-//
-// TODO(dnicoara) When we have a FD handler for the DRM calls in the message
-// loop, we can move this function in the handler.
-void HandlePageFlipEvent(int fd,
-                         unsigned int frame,
-                         unsigned int seconds,
-                         unsigned int useconds,
-                         void* controller) {
-  static_cast<CrtcController*>(controller)
-      ->OnPageFlipEvent(frame, seconds, useconds);
-}
-
-}  // namespace
-
-HardwareDisplayController::HardwareDisplayController(
-    scoped_ptr<CrtcController> controller)
-    : is_disabled_(true) {
-  crtc_controllers_.push_back(controller.release());
-}
-
-HardwareDisplayController::~HardwareDisplayController() {
-  // Reset the cursor.
-  UnsetCursor();
-}
-
-bool HardwareDisplayController::Modeset(const OverlayPlane& primary,
-                                        drmModeModeInfo mode) {
-  TRACE_EVENT0("dri", "HDC::Modeset");
-  DCHECK(primary.buffer.get());
-  bool status = true;
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    status &= crtc_controllers_[i]->Modeset(primary, mode);
-
-  current_planes_ = std::vector<OverlayPlane>(1, primary);
-  pending_planes_.clear();
-  is_disabled_ = false;
-  mode_ = mode;
-  return status;
-}
-
-bool HardwareDisplayController::Enable() {
-  TRACE_EVENT0("dri", "HDC::Enable");
-  DCHECK(!current_planes_.empty());
-  OverlayPlane primary = OverlayPlane::GetPrimaryPlane(current_planes_);
-  DCHECK(primary.buffer.get());
-  bool status = true;
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    status &= crtc_controllers_[i]->Modeset(primary, mode_);
-
-  return status;
-}
-
-void HardwareDisplayController::Disable() {
-  TRACE_EVENT0("dri", "HDC::Disable");
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    crtc_controllers_[i]->Disable();
-
-  is_disabled_ = true;
-}
-
-void HardwareDisplayController::QueueOverlayPlane(const OverlayPlane& plane) {
-  pending_planes_.push_back(plane);
-}
-
-bool HardwareDisplayController::SchedulePageFlip() {
-  DCHECK(!pending_planes_.empty());
-
-  if (is_disabled_)
-    return true;
-
-  bool status = true;
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    status &= crtc_controllers_[i]->SchedulePageFlip(pending_planes_);
-
-  return status;
-}
-
-void HardwareDisplayController::WaitForPageFlipEvent() {
-  TRACE_EVENT0("dri", "HDC::WaitForPageFlipEvent");
-
-  drmEventContext drm_event;
-  drm_event.version = DRM_EVENT_CONTEXT_VERSION;
-  drm_event.page_flip_handler = HandlePageFlipEvent;
-  drm_event.vblank_handler = NULL;
-
-  bool has_pending_page_flips = false;
-  // Wait for the page-flips to complete.
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i) {
-    // In mirror mode the page flip callbacks can happen in different order than
-    // scheduled, so we need to make sure that the event for the current CRTC is
-    // processed before moving to the next CRTC.
-    while (crtc_controllers_[i]->page_flip_pending()) {
-      has_pending_page_flips = true;
-      crtc_controllers_[i]->drm()->HandleEvent(drm_event);
-    }
-  }
-
-  // In case there are no pending pageflips do not replace the current planes
-  // since they are still being used.
-  if (has_pending_page_flips)
-    current_planes_.swap(pending_planes_);
-
-  pending_planes_.clear();
-}
-
-bool HardwareDisplayController::SetCursor(
-    const scoped_refptr<ScanoutBuffer>& buffer) {
-  bool status = true;
-
-  if (is_disabled_)
-    return true;
-
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    status &= crtc_controllers_[i]->SetCursor(buffer);
-
-  return status;
-}
-
-bool HardwareDisplayController::UnsetCursor() {
-  bool status = true;
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    status &= crtc_controllers_[i]->UnsetCursor();
-
-  return status;
-}
-
-bool HardwareDisplayController::MoveCursor(const gfx::Point& location) {
-  if (is_disabled_)
-    return true;
-
-  bool status = true;
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    status &= crtc_controllers_[i]->MoveCursor(location);
-
-  return status;
-}
-
-void HardwareDisplayController::AddCrtc(scoped_ptr<CrtcController> controller) {
-  crtc_controllers_.push_back(controller.release());
-}
-
-scoped_ptr<CrtcController> HardwareDisplayController::RemoveCrtc(
-    uint32_t crtc) {
-  for (ScopedVector<CrtcController>::iterator it = crtc_controllers_.begin();
-       it != crtc_controllers_.end();
-       ++it) {
-    if ((*it)->crtc() == crtc) {
-      scoped_ptr<CrtcController> controller(*it);
-      crtc_controllers_.weak_erase(it);
-      return controller.Pass();
-    }
-  }
-
-  return scoped_ptr<CrtcController>();
-}
-
-bool HardwareDisplayController::HasCrtc(uint32_t crtc) const {
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    if (crtc_controllers_[i]->crtc() == crtc)
-      return true;
-
-  return false;
-}
-
-bool HardwareDisplayController::IsMirrored() const {
-  return crtc_controllers_.size() > 1;
-}
-
-bool HardwareDisplayController::IsDisabled() const {
-  return is_disabled_;
-}
-
-gfx::Size HardwareDisplayController::GetModeSize() const {
-  return gfx::Size(mode_.hdisplay, mode_.vdisplay);
-}
-
-uint64_t HardwareDisplayController::GetTimeOfLastFlip() const {
-  uint64_t time = 0;
-  for (size_t i = 0; i < crtc_controllers_.size(); ++i)
-    if (time < crtc_controllers_[i]->time_of_last_flip())
-      time = crtc_controllers_[i]->time_of_last_flip();
-
-  return time;
-}
-
-}  // namespace ui