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| 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.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 namespace { | |
| 18 const char* kCrtcPropName = "CRTC_ID"; | |
| 19 const char* kFbPropName = "FB_ID"; | |
| 20 const char* kCrtcXPropName = "CRTC_X"; | |
| 21 const char* kCrtcYPropName = "CRTC_Y"; | |
| 22 const char* kCrtcWPropName = "CRTC_W"; | |
| 23 const char* kCrtcHPropName = "CRTC_H"; | |
| 24 const char* kSrcXPropName = "SRC_X"; | |
| 25 const char* kSrcYPropName = "SRC_Y"; | |
| 26 const char* kSrcWPropName = "SRC_W"; | |
| 27 const char* kSrcHPropName = "SRC_H"; | |
| 28 } | |
| 29 | |
| 30 HardwareDisplayPlane::Property::Property() : id_(0) { | |
| 31 } | |
| 32 | |
| 33 bool HardwareDisplayPlane::Property::Initialize( | |
| 34 DriWrapper* drm, | |
| 35 const char* name, | |
| 36 const ScopedDrmObjectPropertyPtr& plane_props) { | |
| 37 for (uint32_t i = 0; i < plane_props->count_props; i++) { | |
| 38 ScopedDrmPropertyPtr property( | |
| 39 drmModeGetProperty(drm->get_fd(), plane_props->props[i])); | |
| 40 if (!strcmp(property->name, name)) { | |
| 41 id_ = property->prop_id; | |
| 42 break; | |
| 43 } | |
| 44 } | |
| 45 if (!id_) { | |
| 46 LOG(ERROR) << "Could not find property " << name; | |
| 47 return false; | |
| 48 } | |
| 49 return true; | |
| 50 } | |
| 51 | |
| 52 HardwareDisplayPlane::HardwareDisplayPlane( | |
| 53 DriWrapper* drm, | |
| 54 drmModePropertySetPtr atomic_property_set, | |
| 55 ScopedDrmPlanePtr plane) | |
| 56 : drm_(drm), | |
| 57 property_set_(atomic_property_set), | |
| 58 plane_(plane.Pass()), | |
| 59 plane_id_(plane_->plane_id) { | |
| 60 } | |
| 61 | |
| 62 HardwareDisplayPlane::~HardwareDisplayPlane() { | |
| 63 } | |
| 64 | |
| 65 bool HardwareDisplayPlane::CanUseForCrtc(uint32_t crtc_id) { | |
| 66 return plane_->possible_crtcs & (1 << crtc_id); | |
| 67 } | |
| 68 | |
| 69 bool HardwareDisplayPlane::SetPlaneData(uint32_t crtc_id, | |
| 70 uint32_t framebuffer, | |
| 71 const gfx::Rect& crtc_rect, | |
| 72 const gfx::Rect& src_rect) { | |
| 73 int plane_set_error = | |
| 74 drmModePropertySetAdd( | |
| 75 property_set_, plane_id_, crtc_prop_.id_, crtc_id) || | |
| 76 drmModePropertySetAdd( | |
| 77 property_set_, plane_id_, fb_prop_.id_, framebuffer) || | |
| 78 drmModePropertySetAdd( | |
| 79 property_set_, plane_id_, crtc_x_prop_.id_, crtc_rect.x()) || | |
| 80 drmModePropertySetAdd( | |
| 81 property_set_, plane_id_, crtc_y_prop_.id_, crtc_rect.y()) || | |
| 82 drmModePropertySetAdd( | |
| 83 property_set_, plane_id_, crtc_w_prop_.id_, crtc_rect.width()) || | |
| 84 drmModePropertySetAdd( | |
| 85 property_set_, plane_id_, crtc_h_prop_.id_, crtc_rect.height()) || | |
| 86 drmModePropertySetAdd( | |
| 87 property_set_, plane_id_, src_x_prop_.id_, src_rect.x()) || | |
| 88 drmModePropertySetAdd( | |
| 89 property_set_, plane_id_, src_y_prop_.id_, src_rect.x()) || | |
| 90 drmModePropertySetAdd( | |
| 91 property_set_, plane_id_, src_w_prop_.id_, src_rect.width()) || | |
| 92 drmModePropertySetAdd( | |
| 93 property_set_, plane_id_, src_h_prop_.id_, src_rect.height()); | |
| 94 | |
| 95 if (plane_set_error) { | |
| 96 LOG(ERROR) << "Failed to set plane data"; | |
| 97 return false; | |
| 98 } | |
| 99 return true; | |
| 100 } | |
| 101 | |
| 102 bool HardwareDisplayPlane::Initialize() { | |
| 103 ScopedDrmObjectPropertyPtr plane_props(drmModeObjectGetProperties( | |
| 104 drm_->get_fd(), plane_id_, DRM_MODE_OBJECT_PLANE)); | |
| 105 | |
| 106 if (!plane_props) { | |
| 107 LOG(ERROR) << "Unable to get plane properties."; | |
| 108 return false; | |
| 109 } | |
| 110 | |
| 111 bool props_init = | |
| 112 crtc_prop_.Initialize(drm_, kCrtcPropName, plane_props) && | |
| 113 fb_prop_.Initialize(drm_, kFbPropName, plane_props) && | |
| 114 crtc_x_prop_.Initialize(drm_, kCrtcXPropName, plane_props) && | |
| 115 crtc_y_prop_.Initialize(drm_, kCrtcYPropName, plane_props) && | |
| 116 crtc_w_prop_.Initialize(drm_, kCrtcWPropName, plane_props) && | |
| 117 crtc_h_prop_.Initialize(drm_, kCrtcHPropName, plane_props) && | |
| 118 src_x_prop_.Initialize(drm_, kSrcXPropName, plane_props) && | |
| 119 src_y_prop_.Initialize(drm_, kSrcYPropName, plane_props) && | |
| 120 src_w_prop_.Initialize(drm_, kSrcWPropName, plane_props) && | |
| 121 src_h_prop_.Initialize(drm_, kSrcHPropName, plane_props); | |
| 122 | |
| 123 if (!props_init) { | |
| 124 LOG(ERROR) << "Unable to get plane properties."; | |
| 125 return false; | |
| 126 } | |
| 127 return true; | |
| 128 } | |
| 129 | |
| 130 } // namespace ui | |
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