| /* |
| * 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 "drmcrtc.h" |
| #include "drmplane.h" |
| #include "drmresources.h" |
| |
| #include <pthread.h> |
| #include <sstream> |
| #include <stdlib.h> |
| #include <time.h> |
| #include <vector> |
| |
| #include <cutils/log.h> |
| #include <sync/sync.h> |
| #include <utils/Trace.h> |
| |
| namespace android { |
| |
| DrmDisplayCompositor::DrmDisplayCompositor() |
| : drm_(NULL), |
| display_(-1), |
| worker_(this), |
| frame_no_(0), |
| initialized_(false), |
| active_(false), |
| dump_frames_composited_(0), |
| dump_last_timestamp_ns_(0) { |
| struct timespec ts; |
| if (clock_gettime(CLOCK_MONOTONIC, &ts)) |
| return; |
| dump_last_timestamp_ns_ = ts.tv_sec * 1000 * 1000 * 1000 + ts.tv_nsec; |
| } |
| |
| DrmDisplayCompositor::~DrmDisplayCompositor() { |
| if (!initialized_) |
| return; |
| |
| worker_.Exit(); |
| |
| int ret = pthread_mutex_lock(&lock_); |
| if (ret) |
| ALOGE("Failed to acquire compositor lock %d", ret); |
| |
| while (!composite_queue_.empty()) { |
| composite_queue_.front().reset(); |
| composite_queue_.pop(); |
| } |
| active_composition_.reset(); |
| |
| ret = pthread_mutex_unlock(&lock_); |
| if (ret) |
| ALOGE("Failed to acquire compositor lock %d", ret); |
| |
| pthread_mutex_destroy(&lock_); |
| } |
| |
| int DrmDisplayCompositor::Init(DrmResources *drm, int display) { |
| drm_ = drm; |
| display_ = display; |
| |
| int ret = pthread_mutex_init(&lock_, NULL); |
| if (ret) { |
| ALOGE("Failed to initialize drm compositor lock %d\n", ret); |
| return ret; |
| } |
| ret = worker_.Init(); |
| if (ret) { |
| pthread_mutex_destroy(&lock_); |
| ALOGE("Failed to initialize compositor worker %d\n", ret); |
| return ret; |
| } |
| |
| initialized_ = true; |
| return 0; |
| } |
| |
| int DrmDisplayCompositor::QueueComposition( |
| std::unique_ptr<DrmDisplayComposition> composition) { |
| switch (composition->type()) { |
| case DRM_COMPOSITION_TYPE_FRAME: |
| if (!active_) |
| return -ENODEV; |
| break; |
| case DRM_COMPOSITION_TYPE_DPMS: |
| /* |
| * Update the state as soon as we get it so we can start/stop queuing |
| * frames asap. |
| */ |
| active_ = (composition->dpms_mode() == DRM_MODE_DPMS_ON); |
| break; |
| case DRM_COMPOSITION_TYPE_EMPTY: |
| return 0; |
| default: |
| ALOGE("Unknown composition type %d/%d", composition->type(), display_); |
| return -ENOENT; |
| } |
| |
| int ret = pthread_mutex_lock(&lock_); |
| if (ret) { |
| ALOGE("Failed to acquire compositor lock %d", ret); |
| return ret; |
| } |
| |
| composite_queue_.push(std::move(composition)); |
| |
| ret = pthread_mutex_unlock(&lock_); |
| if (ret) { |
| ALOGE("Failed to release compositor lock %d", ret); |
| return ret; |
| } |
| |
| worker_.Signal(); |
| return 0; |
| } |
| |
| int DrmDisplayCompositor::ApplyFrame(DrmDisplayComposition *display_comp) { |
| int ret = 0; |
| |
| drmModePropertySetPtr pset = drmModePropertySetAlloc(); |
| if (!pset) { |
| ALOGE("Failed to allocate property set"); |
| return -ENOMEM; |
| } |
| |
| DrmCompositionLayerVector_t *layers = display_comp->GetCompositionLayers(); |
| for (DrmCompositionLayerVector_t::iterator iter = layers->begin(); |
| iter != layers->end(); ++iter) { |
| hwc_layer_1_t *layer = &iter->layer; |
| |
| if (layer->acquireFenceFd >= 0) { |
| ret = sync_wait(layer->acquireFenceFd, -1); |
| if (ret) { |
| ALOGE("Failed to wait for acquire %d/%d", layer->acquireFenceFd, ret); |
| drmModePropertySetFree(pset); |
| return ret; |
| } |
| close(layer->acquireFenceFd); |
| layer->acquireFenceFd = -1; |
| } |
| |
| DrmPlane *plane = iter->plane; |
| ret = |
| drmModePropertySetAdd(pset, plane->id(), plane->crtc_property().id(), |
| iter->crtc->id()) || |
| drmModePropertySetAdd(pset, plane->id(), plane->fb_property().id(), |
| iter->bo.fb_id) || |
| drmModePropertySetAdd(pset, plane->id(), plane->crtc_x_property().id(), |
| layer->displayFrame.left) || |
| drmModePropertySetAdd(pset, plane->id(), plane->crtc_y_property().id(), |
| layer->displayFrame.top) || |
| drmModePropertySetAdd( |
| pset, plane->id(), plane->crtc_w_property().id(), |
| layer->displayFrame.right - layer->displayFrame.left) || |
| drmModePropertySetAdd( |
| pset, plane->id(), plane->crtc_h_property().id(), |
| layer->displayFrame.bottom - layer->displayFrame.top) || |
| drmModePropertySetAdd(pset, plane->id(), plane->src_x_property().id(), |
| layer->sourceCropf.left) || |
| drmModePropertySetAdd(pset, plane->id(), plane->src_y_property().id(), |
| layer->sourceCropf.top) || |
| drmModePropertySetAdd( |
| pset, plane->id(), plane->src_w_property().id(), |
| (int)(layer->sourceCropf.right - layer->sourceCropf.left) << 16) || |
| drmModePropertySetAdd( |
| pset, plane->id(), plane->src_h_property().id(), |
| (int)(layer->sourceCropf.bottom - layer->sourceCropf.top) << 16); |
| if (ret) { |
| ALOGE("Failed to add plane %d to set", plane->id()); |
| break; |
| } |
| } |
| |
| if (!ret) { |
| ret = drmModePropertySetCommit(drm_->fd(), 0, drm_, pset); |
| if (ret) |
| ALOGE("Failed to commit pset ret=%d\n", ret); |
| } |
| if (pset) |
| drmModePropertySetFree(pset); |
| |
| return ret; |
| } |
| |
| int DrmDisplayCompositor::ApplyDpms(DrmDisplayComposition *display_comp) { |
| DrmConnector *conn = drm_->GetConnectorForDisplay(display_); |
| if (!conn) { |
| ALOGE("Failed to get DrmConnector for display %d", display_); |
| return -ENODEV; |
| } |
| |
| const DrmProperty &prop = conn->dpms_property(); |
| int ret = drmModeConnectorSetProperty(drm_->fd(), conn->id(), prop.id(), |
| display_comp->dpms_mode()); |
| if (ret) { |
| ALOGE("Failed to set DPMS property for connector %d", conn->id()); |
| return ret; |
| } |
| return 0; |
| } |
| |
| int DrmDisplayCompositor::Composite() { |
| ATRACE_CALL(); |
| int ret = pthread_mutex_lock(&lock_); |
| if (ret) { |
| ALOGE("Failed to acquire compositor lock %d", ret); |
| return ret; |
| } |
| if (composite_queue_.empty()) { |
| ret = pthread_mutex_unlock(&lock_); |
| if (ret) |
| ALOGE("Failed to release compositor lock %d", ret); |
| return ret; |
| } |
| |
| std::unique_ptr<DrmDisplayComposition> composition( |
| std::move(composite_queue_.front())); |
| composite_queue_.pop(); |
| |
| ret = pthread_mutex_unlock(&lock_); |
| if (ret) { |
| ALOGE("Failed to release compositor lock %d", ret); |
| return ret; |
| } |
| |
| switch (composition->type()) { |
| case DRM_COMPOSITION_TYPE_FRAME: |
| ret = ApplyFrame(composition.get()); |
| if (ret) { |
| ALOGE("Composite failed for display %d", display_); |
| return ret; |
| } |
| ++dump_frames_composited_; |
| break; |
| case DRM_COMPOSITION_TYPE_DPMS: |
| ret = ApplyDpms(composition.get()); |
| if (ret) |
| ALOGE("Failed to apply dpms for display %d", display_); |
| return ret; |
| default: |
| ALOGE("Unknown composition type %d", composition->type()); |
| return -EINVAL; |
| } |
| |
| if (active_composition_) |
| active_composition_->FinishComposition(); |
| |
| active_composition_.swap(composition); |
| return ret; |
| } |
| |
| bool DrmDisplayCompositor::HaveQueuedComposites() const { |
| int ret = pthread_mutex_lock(&lock_); |
| if (ret) { |
| ALOGE("Failed to acquire compositor lock %d", ret); |
| return false; |
| } |
| |
| bool empty_ret = !composite_queue_.empty(); |
| |
| ret = pthread_mutex_unlock(&lock_); |
| if (ret) { |
| ALOGE("Failed to release compositor lock %d", ret); |
| return false; |
| } |
| |
| return empty_ret; |
| } |
| |
| void DrmDisplayCompositor::Dump(std::ostringstream *out) const { |
| uint64_t cur_ts; |
| |
| int ret = pthread_mutex_lock(&lock_); |
| if (ret) |
| return; |
| |
| uint64_t num_frames = dump_frames_composited_; |
| dump_frames_composited_ = 0; |
| |
| struct timespec ts; |
| ret = clock_gettime(CLOCK_MONOTONIC, &ts); |
| |
| ret |= pthread_mutex_unlock(&lock_); |
| if (ret) |
| return; |
| |
| cur_ts = ts.tv_sec * 1000 * 1000 * 1000 + ts.tv_nsec; |
| uint64_t num_ms = (cur_ts - dump_last_timestamp_ns_) / (1000 * 1000); |
| unsigned fps = num_ms ? (num_frames * 1000) / (num_ms) : 0; |
| |
| *out << "--DrmDisplayCompositor[" << display_ |
| << "]: num_frames=" << num_frames << " num_ms=" << num_ms |
| << " fps=" << fps << "\n"; |
| |
| dump_last_timestamp_ns_ = cur_ts; |
| } |
| } |