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| 1 // Copyright 2013 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/gfx/ozone/impl/hardware_display_controller.h" | |
| 6 | |
| 7 #include <errno.h> | |
| 8 #include <string.h> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "ui/gfx/ozone/impl/dri_skbitmap.h" | |
| 13 #include "ui/gfx/ozone/impl/dri_surface.h" | |
| 14 #include "ui/gfx/ozone/impl/dri_wrapper.h" | |
| 15 | |
| 16 namespace gfx { | |
| 17 | |
| 18 HardwareDisplayController::HardwareDisplayController() | |
| 19 : drm_(NULL), | |
| 20 connector_id_(0), | |
| 21 crtc_id_(0), | |
| 22 mode_(), | |
| 23 saved_crtc_(NULL), | |
| 24 state_(UNASSOCIATED), | |
| 25 surface_() { | |
| 26 } | |
| 27 | |
| 28 void HardwareDisplayController::SetControllerInfo( | |
| 29 DriWrapper* drm, | |
| 30 uint32_t connector_id, | |
| 31 uint32_t crtc_id, | |
| 32 uint32_t dpms_property_id, | |
| 33 drmModeModeInfo mode) { | |
| 34 drm_ = drm; | |
| 35 connector_id_ = connector_id; | |
| 36 crtc_id_ = crtc_id; | |
| 37 dpms_property_id_ = dpms_property_id; | |
| 38 mode_ = mode; | |
| 39 saved_crtc_ = drm_->GetCrtc(crtc_id_); | |
| 40 state_ = UNINITIALIZED; | |
| 41 } | |
| 42 | |
| 43 HardwareDisplayController::~HardwareDisplayController() { | |
| 44 if (saved_crtc_) { | |
| 45 if (!drm_->SetCrtc(saved_crtc_, &connector_id_)) | |
| 46 DLOG(ERROR) << "Failed to restore CRTC state: " << strerror(errno); | |
| 47 drm_->FreeCrtc(saved_crtc_); | |
| 48 } | |
| 49 | |
| 50 if (surface_.get()) { | |
| 51 // Unregister the buffers. | |
| 52 for (int i = 0; i < 2; ++i) { | |
| 53 if (!drm_->RemoveFramebuffer(surface_->bitmaps_[i]->get_framebuffer())) | |
| 54 DLOG(ERROR) << "Failed to remove FB: " << strerror(errno); | |
| 55 } | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 bool | |
| 60 HardwareDisplayController::BindSurfaceToController( | |
| 61 scoped_ptr<DriSurface> surface) { | |
| 62 CHECK(state_ == UNINITIALIZED); | |
| 63 | |
| 64 // Register the buffers. | |
| 65 for (int i = 0; i < 2; ++i) { | |
| 66 uint32_t fb_id; | |
| 67 if (!drm_->AddFramebuffer(mode_, | |
| 68 surface->bitmaps_[i]->GetColorDepth(), | |
| 69 surface->bitmaps_[i]->bytesPerPixel() << 3, | |
| 70 surface->bitmaps_[i]->rowBytes(), | |
| 71 surface->bitmaps_[i]->get_handle(), | |
| 72 &fb_id)) { | |
| 73 DLOG(ERROR) << "Failed to register framebuffer: " << strerror(errno); | |
| 74 state_ = FAILED; | |
| 75 return false; | |
| 76 } | |
| 77 surface->bitmaps_[i]->set_framebuffer(fb_id); | |
| 78 } | |
| 79 | |
| 80 surface_.reset(surface.release()); | |
| 81 state_ = SURFACE_INITIALIZED; | |
| 82 return true; | |
| 83 } | |
| 84 | |
| 85 bool HardwareDisplayController::SchedulePageFlip() { | |
| 86 CHECK(state_ == SURFACE_INITIALIZED || state_ == INITIALIZED); | |
| 87 | |
| 88 if (state_ == SURFACE_INITIALIZED) { | |
| 89 // Perform the initial modeset. | |
| 90 if (!drm_->SetCrtc(crtc_id_, | |
| 91 surface_->GetFramebufferId(), | |
| 92 &connector_id_, | |
| 93 &mode_)) { | |
| 94 DLOG(ERROR) << "Cannot set CRTC: " << strerror(errno); | |
| 95 state_ = FAILED; | |
| 96 return false; | |
| 97 } else { | |
| 98 state_ = INITIALIZED; | |
| 99 } | |
| 100 | |
| 101 if (dpms_property_id_) | |
| 102 drm_->ConnectorSetProperty(connector_id_, | |
| 103 dpms_property_id_, | |
| 104 DRM_MODE_DPMS_ON); | |
| 105 } | |
| 106 | |
| 107 if (!drm_->PageFlip(crtc_id_, | |
| 108 surface_->GetFramebufferId(), | |
| 109 this)) { | |
| 110 state_ = FAILED; | |
| 111 LOG(ERROR) << "Cannot page flip: " << strerror(errno); | |
| 112 return false; | |
| 113 } | |
| 114 | |
| 115 return true; | |
| 116 } | |
| 117 | |
| 118 } // namespace gfx | |
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Chromium Code Reviews
Issue 62953003:
Support removal of DRI platform (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src