1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ui/ozone/platform/dri/hardware_display_plane_manager.h" 6 7 #include <drm.h> 8 #include <errno.h> 9 #include <xf86drm.h> 10 11 #include "base/logging.h" 12 #include "ui/gfx/geometry/rect.h" 13 #include "ui/ozone/platform/dri/dri_wrapper.h" 14 15 namespace ui { 16 17 HardwareDisplayPlaneManager::HardwareDisplayPlaneManager(DriWrapper* drm) 18 : drm_(drm), property_set_(NULL) { 19 } 20 21 HardwareDisplayPlaneManager::~HardwareDisplayPlaneManager() { 22 if (property_set_) 23 drmModePropertySetFree(property_set_); 24 } 25 26 bool HardwareDisplayPlaneManager::Initialize() { 27 ScopedDrmPlaneResPtr plane_resources( 28 drmModeGetPlaneResources(drm_->get_fd())); 29 if (!plane_resources) { 30 LOG(ERROR) << "Failed to get plane resources."; 31 return false; 32 } 33 34 property_set_ = drmModePropertySetAlloc(); 35 if (!property_set_) { 36 LOG(ERROR) << "Failed to allocate property set."; 37 return false; 38 } 39 40 uint32_t num_planes = plane_resources->count_planes; 41 for (uint32_t i = 0; i < num_planes; ++i) { 42 ScopedDrmPlanePtr drm_plane( 43 drmModeGetPlane(drm_->get_fd(), plane_resources->planes[i])); 44 if (!drm_plane) { 45 LOG(ERROR) << "Failed to get plane " << i << "."; 46 return false; 47 } 48 scoped_ptr<HardwareDisplayPlane> plane( 49 new HardwareDisplayPlane(drm_, property_set_, drm_plane.Pass())); 50 if (plane->Initialize()) 51 planes_.push_back(plane.release()); 52 } 53 54 return true; 55 } 56 57 } // namespace ui 58
