Support removal of DRI platform

ui/gfx/ozone/impl/hardware_display_controller.cc

Index: ui/gfx/ozone/impl/hardware_display_controller.cc
diff --git a/ui/gfx/ozone/impl/hardware_display_controller.cc b/ui/gfx/ozone/impl/hardware_display_controller.cc
deleted file mode 100644
index edd4b38f3e984682ea78447a8c6318e4b867898d..0000000000000000000000000000000000000000
--- a/ui/gfx/ozone/impl/hardware_display_controller.cc
+++ /dev/null
@@ -1,118 +0,0 @@
-// Copyright 2013 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/gfx/ozone/impl/hardware_display_controller.h"
-
-#include <errno.h>
-#include <string.h>
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "ui/gfx/ozone/impl/dri_skbitmap.h"
-#include "ui/gfx/ozone/impl/dri_surface.h"
-#include "ui/gfx/ozone/impl/dri_wrapper.h"
-
-namespace gfx {
-
-HardwareDisplayController::HardwareDisplayController()
-  : drm_(NULL),
-    connector_id_(0),
-    crtc_id_(0),
-    mode_(),
-    saved_crtc_(NULL),
-    state_(UNASSOCIATED),
-    surface_() {
-}
-
-void HardwareDisplayController::SetControllerInfo(
-    DriWrapper* drm,
-    uint32_t connector_id,
-    uint32_t crtc_id,
-    uint32_t dpms_property_id,
-    drmModeModeInfo mode) {
-  drm_ = drm;
-  connector_id_ = connector_id;
-  crtc_id_ = crtc_id;
-  dpms_property_id_ = dpms_property_id;
-  mode_ = mode;
-  saved_crtc_ = drm_->GetCrtc(crtc_id_);
-  state_ = UNINITIALIZED;
-}
-
-HardwareDisplayController::~HardwareDisplayController() {
-  if (saved_crtc_) {
-    if (!drm_->SetCrtc(saved_crtc_, &connector_id_))
-      DLOG(ERROR) << "Failed to restore CRTC state: " << strerror(errno);
-    drm_->FreeCrtc(saved_crtc_);
-  }
-
-  if (surface_.get()) {
-    // Unregister the buffers.
-    for (int i = 0; i < 2; ++i) {
-      if (!drm_->RemoveFramebuffer(surface_->bitmaps_[i]->get_framebuffer()))
-        DLOG(ERROR) << "Failed to remove FB: " << strerror(errno);
-    }
-  }
-}
-
-bool
-HardwareDisplayController::BindSurfaceToController(
-    scoped_ptr<DriSurface> surface) {
-  CHECK(state_ == UNINITIALIZED);
-
-  // Register the buffers.
-  for (int i = 0; i < 2; ++i) {
-    uint32_t fb_id;
-    if (!drm_->AddFramebuffer(mode_,
-                              surface->bitmaps_[i]->GetColorDepth(),
-                              surface->bitmaps_[i]->bytesPerPixel() << 3,
-                              surface->bitmaps_[i]->rowBytes(),
-                              surface->bitmaps_[i]->get_handle(),
-                              &fb_id)) {
-      DLOG(ERROR) << "Failed to register framebuffer: " << strerror(errno);
-      state_ = FAILED;
-      return false;
-    }
-    surface->bitmaps_[i]->set_framebuffer(fb_id);
-  }
-
-  surface_.reset(surface.release());
-  state_ = SURFACE_INITIALIZED;
-  return true;
-}
-
-bool HardwareDisplayController::SchedulePageFlip() {
-  CHECK(state_ == SURFACE_INITIALIZED || state_ == INITIALIZED);
-
-  if (state_ == SURFACE_INITIALIZED) {
-    // Perform the initial modeset.
-    if (!drm_->SetCrtc(crtc_id_,
-                       surface_->GetFramebufferId(),
-                       &connector_id_,
-                       &mode_)) {
-      DLOG(ERROR) << "Cannot set CRTC: " << strerror(errno);
-      state_ = FAILED;
-      return false;
-    } else {
-      state_ = INITIALIZED;
-    }
-
-    if (dpms_property_id_)
-      drm_->ConnectorSetProperty(connector_id_,
-                                 dpms_property_id_,
-                                 DRM_MODE_DPMS_ON);
-  }
-
-  if (!drm_->PageFlip(crtc_id_,
-                      surface_->GetFramebufferId(),
-                      this)) {
-    state_ = FAILED;
-    LOG(ERROR) << "Cannot page flip: " << strerror(errno);
-    return false;
-  }
-
-  return true;
-}
-
-}  // namespace gfx