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Diffstat (limited to 'compositor/DrmDisplayCompositor.cpp')
-rw-r--r-- | compositor/DrmDisplayCompositor.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/compositor/DrmDisplayCompositor.cpp b/compositor/DrmDisplayCompositor.cpp deleted file mode 100644 index c2e51ee..0000000 --- a/compositor/DrmDisplayCompositor.cpp +++ /dev/null @@ -1,239 +0,0 @@ -/* - * Copyright (C) 2015 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define ATRACE_TAG ATRACE_TAG_GRAPHICS -#define LOG_TAG "hwc-drm-display-compositor" - -#include "DrmDisplayCompositor.h" - -#include <drm/drm_mode.h> -#include <pthread.h> -#include <sched.h> -#include <sync/sync.h> -#include <utils/Trace.h> - -#include <array> -#include <cstdlib> -#include <ctime> -#include <sstream> -#include <vector> - -#include "drm/DrmCrtc.h" -#include "drm/DrmDevice.h" -#include "drm/DrmPlane.h" -#include "drm/DrmUnique.h" -#include "utils/log.h" - -namespace android { - -auto DrmDisplayCompositor::Init(ResourceManager *resource_manager, int display) - -> int { - resource_manager_ = resource_manager; - display_ = display; - DrmDevice *drm = resource_manager_->GetDrmDevice(display); - if (!drm) { - ALOGE("Could not find drmdevice for display"); - return -EINVAL; - } - - initialized_ = true; - return 0; -} - -// NOLINTNEXTLINE (readability-function-cognitive-complexity): Fixme -auto DrmDisplayCompositor::CommitFrame(AtomicCommitArgs &args) -> int { - ATRACE_CALL(); - - if (args.active && *args.active == active_frame_state_.crtc_active_state) { - /* Don't set the same state twice */ - args.active.reset(); - } - - if (!args.HasInputs()) { - /* nothing to do */ - return 0; - } - - if (!active_frame_state_.crtc_active_state) { - /* Force activate display */ - args.active = true; - } - - if (args.clear_active_composition && args.composition) { - ALOGE("%s: Invalid arguments", __func__); - return -EINVAL; - } - - auto new_frame_state = NewFrameState(); - - DrmDevice *drm = resource_manager_->GetDrmDevice(display_); - - DrmConnector *connector = drm->GetConnectorForDisplay(display_); - if (!connector) { - ALOGE("Could not locate connector for display %d", display_); - return -ENODEV; - } - DrmCrtc *crtc = drm->GetCrtcForDisplay(display_); - if (!crtc) { - ALOGE("Could not locate crtc for display %d", display_); - return -ENODEV; - } - - auto pset = MakeDrmModeAtomicReqUnique(); - if (!pset) { - ALOGE("Failed to allocate property set"); - return -ENOMEM; - } - - int64_t out_fence = -1; - if (crtc->out_fence_ptr_property() && - !crtc->out_fence_ptr_property().AtomicSet(*pset, (uint64_t)&out_fence)) { - return -EINVAL; - } - - if (args.active) { - new_frame_state.crtc_active_state = *args.active; - if (!crtc->active_property().AtomicSet(*pset, *args.active) || - !connector->crtc_id_property().AtomicSet(*pset, crtc->id())) { - return -EINVAL; - } - } - - if (args.display_mode) { - new_frame_state.mode_blob = args.display_mode.value().CreateModeBlob( - *resource_manager_->GetDrmDevice(display_)); - - if (!new_frame_state.mode_blob) { - ALOGE("Failed to create mode_blob"); - return -EINVAL; - } - - if (!crtc->mode_property().AtomicSet(*pset, *new_frame_state.mode_blob)) { - return -EINVAL; - } - } - - auto unused_planes = new_frame_state.used_planes; - - if (args.composition) { - new_frame_state.used_framebuffers.clear(); - new_frame_state.used_planes.clear(); - - std::vector<DrmHwcLayer> &layers = args.composition->layers(); - std::vector<DrmCompositionPlane> &comp_planes = args.composition - ->composition_planes(); - - for (DrmCompositionPlane &comp_plane : comp_planes) { - DrmPlane *plane = comp_plane.plane(); - size_t source_layer = comp_plane.source_layer(); - - if (source_layer >= layers.size()) { - ALOGE("Source layer index %zu out of bounds %zu", source_layer, - layers.size()); - return -EINVAL; - } - DrmHwcLayer &layer = layers[source_layer]; - - new_frame_state.used_framebuffers.emplace_back(layer.fb_id_handle); - new_frame_state.used_planes.emplace_back(plane); - - /* Remove from 'unused' list, since plane is re-used */ - auto &v = unused_planes; - v.erase(std::remove(v.begin(), v.end(), plane), v.end()); - - if (plane->AtomicSetState(*pset, layer, source_layer, crtc->id()) != 0) { - return -EINVAL; - } - } - } - - if (args.clear_active_composition) { - new_frame_state.used_framebuffers.clear(); - new_frame_state.used_planes.clear(); - } - - if (args.clear_active_composition || args.composition) { - for (auto *plane : unused_planes) { - if (plane->AtomicDisablePlane(*pset) != 0) { - return -EINVAL; - } - } - } - - uint32_t flags = DRM_MODE_ATOMIC_ALLOW_MODESET; - if (args.test_only) - flags |= DRM_MODE_ATOMIC_TEST_ONLY; - - int err = drmModeAtomicCommit(drm->fd(), pset.get(), flags, drm); - if (err) { - if (!args.test_only) - ALOGE("Failed to commit pset ret=%d\n", err); - return err; - } - - if (!args.test_only) { - if (args.display_mode) { - /* TODO(nobody): we still need this for synthetic vsync, remove after - * vsync reworked */ - connector->set_active_mode(*args.display_mode); - } - - active_frame_state_ = std::move(new_frame_state); - - if (crtc->out_fence_ptr_property()) { - args.out_fence = UniqueFd((int)out_fence); - } - } - - return 0; -} - -auto DrmDisplayCompositor::ExecuteAtomicCommit(AtomicCommitArgs &args) -> int { - int err = CommitFrame(args); - - if (!args.test_only) { - if (err) { - ALOGE("Composite failed for display %d", display_); - // Disable the hw used by the last active composition. This allows us to - // signal the release fences from that composition to avoid hanging. - AtomicCommitArgs cl_args = {.clear_active_composition = true}; - if (CommitFrame(cl_args)) { - ALOGE("Failed to clean-up active composition for display %d", display_); - } - return err; - } - } - - return err; -} // namespace android - -auto DrmDisplayCompositor::ActivateDisplayUsingDPMS() -> int { - auto *drm = resource_manager_->GetDrmDevice(display_); - auto *connector = drm->GetConnectorForDisplay(display_); - if (connector == nullptr) { - ALOGE("Could not locate connector for display %d", display_); - return -ENODEV; - } - - if (connector->dpms_property()) { - drmModeConnectorSetProperty(drm->fd(), connector->id(), - connector->dpms_property().id(), - DRM_MODE_DPMS_ON); - } - return 0; -} - -} // namespace android |