| /* |
| * 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 <sched.h> |
| #include <stdlib.h> |
| #include <time.h> |
| #include <algorithm> |
| #include <bitset> |
| #include <cinttypes> |
| #include <mutex> |
| #include <sstream> |
| #include <vector> |
| |
| #include <cutils/log.h> |
| #include <drm/drm_mode.h> |
| #include <sync/sync.h> |
| #include <utils/Trace.h> |
| |
| #include "drmcrtc.h" |
| #include "drmplane.h" |
| #include "drmresources.h" |
| #include "glworker.h" |
| |
| #define DRM_DISPLAY_COMPOSITOR_MAX_QUEUE_DEPTH 2 |
| |
| namespace android { |
| |
| static const int64_t kSquashWait = 500LL; |
| |
| void SquashState::Init(DrmHwcLayer *layers, size_t num_layers) { |
| generation_number_++; |
| valid_history_ = 0; |
| regions_.clear(); |
| last_handles_.clear(); |
| |
| std::vector<DrmHwcRect<int>> in_rects; |
| for (size_t i = 0; i < num_layers; i++) { |
| DrmHwcLayer *layer = &layers[i]; |
| in_rects.emplace_back(layer->display_frame); |
| last_handles_.push_back(layer->sf_handle); |
| } |
| |
| std::vector<separate_rects::RectSet<uint64_t, int>> out_regions; |
| separate_rects::separate_rects_64(in_rects, &out_regions); |
| |
| for (const separate_rects::RectSet<uint64_t, int> &out_region : out_regions) { |
| regions_.emplace_back(); |
| Region ®ion = regions_.back(); |
| region.rect = out_region.rect; |
| region.layer_refs = out_region.id_set.getBits(); |
| } |
| } |
| |
| void SquashState::GenerateHistory(DrmHwcLayer *layers, size_t num_layers, |
| std::vector<bool> &changed_regions) const { |
| changed_regions.resize(regions_.size()); |
| if (num_layers != last_handles_.size()) { |
| ALOGE("SquashState::GenerateHistory expected %zu layers but got %zu layers", |
| last_handles_.size(), num_layers); |
| return; |
| } |
| std::bitset<kMaxLayers> changed_layers; |
| for (size_t i = 0; i < last_handles_.size(); i++) { |
| DrmHwcLayer *layer = &layers[i]; |
| // Protected layers can't be squashed so we treat them as constantly |
| // changing. |
| if (layer->protected_usage() || last_handles_[i] != layer->sf_handle) |
| changed_layers.set(i); |
| } |
| |
| for (size_t i = 0; i < regions_.size(); i++) { |
| changed_regions[i] = (regions_[i].layer_refs & changed_layers).any(); |
| } |
| } |
| |
| void SquashState::StableRegionsWithMarginalHistory( |
| const std::vector<bool> &changed_regions, |
| std::vector<bool> &stable_regions) const { |
| stable_regions.resize(regions_.size()); |
| for (size_t i = 0; i < regions_.size(); i++) { |
| stable_regions[i] = !changed_regions[i] && is_stable(i); |
| } |
| } |
| |
| void SquashState::RecordHistory(DrmHwcLayer *layers, size_t num_layers, |
| const std::vector<bool> &changed_regions) { |
| if (num_layers != last_handles_.size()) { |
| ALOGE("SquashState::RecordHistory expected %zu layers but got %zu layers", |
| last_handles_.size(), num_layers); |
| return; |
| } |
| if (changed_regions.size() != regions_.size()) { |
| ALOGE("SquashState::RecordHistory expected %zu regions but got %zu regions", |
| regions_.size(), changed_regions.size()); |
| return; |
| } |
| |
| for (size_t i = 0; i < last_handles_.size(); i++) { |
| DrmHwcLayer *layer = &layers[i]; |
| last_handles_[i] = layer->sf_handle; |
| } |
| |
| for (size_t i = 0; i < regions_.size(); i++) { |
| regions_[i].change_history <<= 1; |
| regions_[i].change_history.set(/* LSB */ 0, changed_regions[i]); |
| } |
| |
| valid_history_++; |
| } |
| |
| bool SquashState::RecordAndCompareSquashed( |
| const std::vector<bool> &squashed_regions) { |
| if (squashed_regions.size() != regions_.size()) { |
| ALOGE( |
| "SquashState::RecordAndCompareSquashed expected %zu regions but got " |
| "%zu regions", |
| regions_.size(), squashed_regions.size()); |
| return false; |
| } |
| bool changed = false; |
| for (size_t i = 0; i < regions_.size(); i++) { |
| if (regions_[i].squashed != squashed_regions[i]) { |
| regions_[i].squashed = squashed_regions[i]; |
| changed = true; |
| } |
| } |
| return changed; |
| } |
| |
| void SquashState::Dump(std::ostringstream *out) const { |
| *out << "----SquashState generation=" << generation_number_ |
| << " history=" << valid_history_ << "\n" |
| << " Regions: count=" << regions_.size() << "\n"; |
| for (size_t i = 0; i < regions_.size(); i++) { |
| const Region ®ion = regions_[i]; |
| *out << " [" << i << "]" |
| << " history=" << region.change_history << " rect"; |
| region.rect.Dump(out); |
| *out << " layers=("; |
| bool first = true; |
| for (size_t layer_index = 0; layer_index < kMaxLayers; layer_index++) { |
| if ((region.layer_refs & |
| std::bitset<kMaxLayers>((size_t)1 << layer_index)) |
| .any()) { |
| if (!first) |
| *out << " "; |
| first = false; |
| *out << layer_index; |
| } |
| } |
| *out << ")"; |
| if (region.squashed) |
| *out << " squashed"; |
| *out << "\n"; |
| } |
| } |
| |
| static bool UsesSquash(const std::vector<DrmCompositionPlane> &comp_planes) { |
| return std::any_of(comp_planes.begin(), comp_planes.end(), |
| [](const DrmCompositionPlane &plane) { |
| return plane.type() == DrmCompositionPlane::Type::kSquash; |
| }); |
| } |
| |
| DrmDisplayCompositor::FrameWorker::FrameWorker(DrmDisplayCompositor *compositor) |
| : QueueWorker("frame-worker", HAL_PRIORITY_URGENT_DISPLAY), |
| compositor_(compositor) { |
| } |
| |
| int DrmDisplayCompositor::FrameWorker::Init() { |
| set_max_queue_size(DRM_DISPLAY_COMPOSITOR_MAX_QUEUE_DEPTH); |
| return InitWorker(); |
| } |
| |
| void DrmDisplayCompositor::FrameWorker::QueueFrame( |
| std::unique_ptr<DrmDisplayComposition> composition, int status) { |
| std::unique_ptr<FrameState> frame( |
| new FrameState(std::move(composition), status)); |
| |
| auto start = std::chrono::high_resolution_clock::now(); |
| int ret = QueueWork(std::move(frame)); |
| if (ret) { |
| ALOGE("Unable to queue frame work (%d)", ret); |
| // TODO: error handling (timeout or exit) |
| return; |
| } |
| auto end = std::chrono::high_resolution_clock::now(); |
| |
| uint64_t duration_us = |
| std::chrono::duration_cast<std::chrono::microseconds>(end - start) |
| .count(); |
| if (duration_us > max_duration_us) |
| max_duration_us = duration_us; |
| } |
| |
| void DrmDisplayCompositor::FrameWorker::ProcessWork( |
| std::unique_ptr<FrameState> frame) { |
| compositor_->ApplyFrame(std::move(frame->composition), frame->status); |
| } |
| |
| DrmDisplayCompositor::DrmDisplayCompositor() |
| : QueueWorker("drm-compositor", HAL_PRIORITY_URGENT_DISPLAY), |
| drm_(NULL), |
| display_(-1), |
| frame_worker_(this), |
| active_(false), |
| use_hw_overlays_(true), |
| framebuffer_index_(0), |
| squash_framebuffer_index_(0), |
| dump_frames_composited_(0), |
| dump_last_timestamp_ns_(0), |
| max_duration_us(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; |
| |
| frame_worker_.Exit(); |
| Exit(); |
| |
| std::lock_guard<std::mutex> lk(mutex_); |
| |
| if (mode_.blob_id) |
| drm_->DestroyPropertyBlob(mode_.blob_id); |
| if (mode_.old_blob_id) |
| drm_->DestroyPropertyBlob(mode_.old_blob_id); |
| |
| active_composition_.reset(); |
| } |
| |
| int DrmDisplayCompositor::Init(DrmResources *drm, int display) { |
| drm_ = drm; |
| display_ = display; |
| |
| frame_worker_.Init(); |
| |
| set_max_queue_size(DRM_DISPLAY_COMPOSITOR_MAX_QUEUE_DEPTH); |
| set_idle_timeout(kSquashWait); |
| |
| return InitWorker(); |
| } |
| |
| std::unique_ptr<DrmDisplayComposition> DrmDisplayCompositor::CreateComposition() |
| const { |
| return std::unique_ptr<DrmDisplayComposition>(new DrmDisplayComposition()); |
| } |
| |
| 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_MODESET: |
| break; |
| case DRM_COMPOSITION_TYPE_EMPTY: |
| return 0; |
| default: |
| ALOGE("Unknown composition type %d/%d", composition->type(), display_); |
| return -ENOENT; |
| } |
| |
| auto start = std::chrono::high_resolution_clock::now(); |
| |
| int ret = QueueWork(std::move(composition)); |
| if (ret) { |
| ALOGE("Unable to queue work (%d)", ret); |
| // TODO: error handling (timeout or exit) |
| return ret; |
| } |
| |
| auto end = std::chrono::high_resolution_clock::now(); |
| |
| uint64_t duration_us = |
| std::chrono::duration_cast<std::chrono::microseconds>(end - start) |
| .count(); |
| if (duration_us > max_duration_us) |
| max_duration_us = duration_us; |
| |
| return 0; |
| } |
| |
| std::tuple<uint32_t, uint32_t, int> |
| DrmDisplayCompositor::GetActiveModeResolution() { |
| DrmConnector *connector = drm_->GetConnectorForDisplay(display_); |
| if (connector == NULL) { |
| ALOGE("Failed to determine display mode: no connector for display %d", |
| display_); |
| return std::make_tuple(0, 0, -ENODEV); |
| } |
| |
| const DrmMode &mode = connector->active_mode(); |
| return std::make_tuple(mode.h_display(), mode.v_display(), 0); |
| } |
| |
| int DrmDisplayCompositor::PrepareFramebuffer( |
| DrmFramebuffer &fb, DrmDisplayComposition *display_comp) { |
| int ret = fb.WaitReleased(-1); |
| if (ret) { |
| ALOGE("Failed to wait for framebuffer release %d", ret); |
| return ret; |
| } |
| uint32_t width, height; |
| std::tie(width, height, ret) = GetActiveModeResolution(); |
| if (ret) { |
| ALOGE( |
| "Failed to allocate framebuffer because the display resolution could " |
| "not be determined %d", |
| ret); |
| return ret; |
| } |
| |
| fb.set_release_fence_fd(-1); |
| if (!fb.Allocate(width, height)) { |
| ALOGE("Failed to allocate framebuffer with size %dx%d", width, height); |
| return -ENOMEM; |
| } |
| |
| display_comp->layers().emplace_back(); |
| DrmHwcLayer &pre_comp_layer = display_comp->layers().back(); |
| pre_comp_layer.sf_handle = fb.buffer()->handle; |
| pre_comp_layer.blending = DrmHwcBlending::kPreMult; |
| pre_comp_layer.source_crop = DrmHwcRect<float>(0, 0, width, height); |
| pre_comp_layer.display_frame = DrmHwcRect<int>(0, 0, width, height); |
| ret = pre_comp_layer.buffer.ImportBuffer(fb.buffer()->handle, |
| display_comp->importer()); |
| if (ret) { |
| ALOGE("Failed to import framebuffer for display %d", ret); |
| return ret; |
| } |
| |
| return ret; |
| } |
| |
| int DrmDisplayCompositor::ApplySquash(DrmDisplayComposition *display_comp) { |
| int ret = 0; |
| |
| DrmFramebuffer &fb = squash_framebuffers_[squash_framebuffer_index_]; |
| ret = PrepareFramebuffer(fb, display_comp); |
| if (ret) { |
| ALOGE("Failed to prepare framebuffer for squash %d", ret); |
| return ret; |
| } |
| |
| std::vector<DrmCompositionRegion> ®ions = display_comp->squash_regions(); |
| ret = pre_compositor_->Composite(display_comp->layers().data(), |
| regions.data(), regions.size(), fb.buffer(), |
| display_comp->importer()); |
| pre_compositor_->Finish(); |
| |
| if (ret) { |
| ALOGE("Failed to squash layers"); |
| return ret; |
| } |
| |
| ret = display_comp->CreateNextTimelineFence(); |
| if (ret <= 0) { |
| ALOGE("Failed to create squash framebuffer release fence %d", ret); |
| return ret; |
| } |
| |
| fb.set_release_fence_fd(ret); |
| display_comp->SignalSquashDone(); |
| |
| return 0; |
| } |
| |
| int DrmDisplayCompositor::ApplyPreComposite( |
| DrmDisplayComposition *display_comp) { |
| int ret = 0; |
| |
| DrmFramebuffer &fb = framebuffers_[framebuffer_index_]; |
| ret = PrepareFramebuffer(fb, display_comp); |
| if (ret) { |
| ALOGE("Failed to prepare framebuffer for pre-composite %d", ret); |
| return ret; |
| } |
| |
| std::vector<DrmCompositionRegion> ®ions = display_comp->pre_comp_regions(); |
| ret = pre_compositor_->Composite(display_comp->layers().data(), |
| regions.data(), regions.size(), fb.buffer(), |
| display_comp->importer()); |
| pre_compositor_->Finish(); |
| |
| if (ret) { |
| ALOGE("Failed to pre-composite layers"); |
| return ret; |
| } |
| |
| ret = display_comp->CreateNextTimelineFence(); |
| if (ret <= 0) { |
| ALOGE("Failed to create pre-composite framebuffer release fence %d", ret); |
| return ret; |
| } |
| |
| fb.set_release_fence_fd(ret); |
| display_comp->SignalPreCompDone(); |
| |
| return 0; |
| } |
| |
| int DrmDisplayCompositor::DisablePlanes(DrmDisplayComposition *display_comp) { |
| drmModeAtomicReqPtr pset = drmModeAtomicAlloc(); |
| if (!pset) { |
| ALOGE("Failed to allocate property set"); |
| return -ENOMEM; |
| } |
| |
| int ret; |
| std::vector<DrmCompositionPlane> &comp_planes = |
| display_comp->composition_planes(); |
| for (DrmCompositionPlane &comp_plane : comp_planes) { |
| DrmPlane *plane = comp_plane.plane(); |
| ret = drmModeAtomicAddProperty(pset, plane->id(), |
| plane->crtc_property().id(), 0) < 0 || |
| drmModeAtomicAddProperty(pset, plane->id(), plane->fb_property().id(), |
| 0) < 0; |
| if (ret) { |
| ALOGE("Failed to add plane %d disable to pset", plane->id()); |
| drmModeAtomicFree(pset); |
| return ret; |
| } |
| } |
| |
| ret = drmModeAtomicCommit(drm_->fd(), pset, 0, drm_); |
| if (ret) { |
| ALOGE("Failed to commit pset ret=%d\n", ret); |
| drmModeAtomicFree(pset); |
| return ret; |
| } |
| |
| drmModeAtomicFree(pset); |
| return 0; |
| } |
| |
| int DrmDisplayCompositor::PrepareFrame(DrmDisplayComposition *display_comp) { |
| int ret = 0; |
| |
| std::vector<DrmHwcLayer> &layers = display_comp->layers(); |
| std::vector<DrmCompositionPlane> &comp_planes = |
| display_comp->composition_planes(); |
| std::vector<DrmCompositionRegion> &squash_regions = |
| display_comp->squash_regions(); |
| std::vector<DrmCompositionRegion> &pre_comp_regions = |
| display_comp->pre_comp_regions(); |
| |
| int squash_layer_index = -1; |
| if (squash_regions.size() > 0) { |
| squash_framebuffer_index_ = (squash_framebuffer_index_ + 1) % 2; |
| ret = ApplySquash(display_comp); |
| if (ret) |
| return ret; |
| |
| squash_layer_index = layers.size() - 1; |
| } else { |
| if (UsesSquash(comp_planes)) { |
| DrmFramebuffer &fb = squash_framebuffers_[squash_framebuffer_index_]; |
| layers.emplace_back(); |
| squash_layer_index = layers.size() - 1; |
| DrmHwcLayer &squash_layer = layers.back(); |
| ret = squash_layer.buffer.ImportBuffer(fb.buffer()->handle, |
| display_comp->importer()); |
| if (ret) { |
| ALOGE("Failed to import old squashed framebuffer %d", ret); |
| return ret; |
| } |
| squash_layer.sf_handle = fb.buffer()->handle; |
| squash_layer.blending = DrmHwcBlending::kPreMult; |
| squash_layer.source_crop = DrmHwcRect<float>( |
| 0, 0, squash_layer.buffer->width, squash_layer.buffer->height); |
| squash_layer.display_frame = DrmHwcRect<int>( |
| 0, 0, squash_layer.buffer->width, squash_layer.buffer->height); |
| ret = display_comp->CreateNextTimelineFence(); |
| |
| if (ret <= 0) { |
| ALOGE("Failed to create squash framebuffer release fence %d", ret); |
| return ret; |
| } |
| |
| fb.set_release_fence_fd(ret); |
| ret = 0; |
| } |
| } |
| |
| bool do_pre_comp = pre_comp_regions.size() > 0; |
| int pre_comp_layer_index = -1; |
| if (do_pre_comp) { |
| ret = ApplyPreComposite(display_comp); |
| if (ret) |
| return ret; |
| |
| pre_comp_layer_index = layers.size() - 1; |
| framebuffer_index_ = (framebuffer_index_ + 1) % DRM_DISPLAY_BUFFERS; |
| } |
| |
| for (DrmCompositionPlane &comp_plane : comp_planes) { |
| std::vector<size_t> &source_layers = comp_plane.source_layers(); |
| switch (comp_plane.type()) { |
| case DrmCompositionPlane::Type::kSquash: |
| if (source_layers.size()) |
| ALOGE("Squash source_layers is expected to be empty (%zu/%d)", |
| source_layers[0], squash_layer_index); |
| source_layers.push_back(squash_layer_index); |
| break; |
| case DrmCompositionPlane::Type::kPrecomp: |
| if (!do_pre_comp) { |
| ALOGE( |
| "Can not use pre composite framebuffer with no pre composite " |
| "regions"); |
| return -EINVAL; |
| } |
| // Replace source_layers with the output of the precomposite |
| source_layers.clear(); |
| source_layers.push_back(pre_comp_layer_index); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| return ret; |
| } |
| |
| int DrmDisplayCompositor::CommitFrame(DrmDisplayComposition *display_comp, |
| bool test_only) { |
| ATRACE_CALL(); |
| |
| int ret = 0; |
| |
| std::vector<DrmHwcLayer> &layers = display_comp->layers(); |
| std::vector<DrmCompositionPlane> &comp_planes = |
| display_comp->composition_planes(); |
| std::vector<DrmCompositionRegion> &pre_comp_regions = |
| display_comp->pre_comp_regions(); |
| |
| 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; |
| } |
| |
| drmModeAtomicReqPtr pset = drmModeAtomicAlloc(); |
| if (!pset) { |
| ALOGE("Failed to allocate property set"); |
| return -ENOMEM; |
| } |
| |
| if (mode_.needs_modeset) { |
| ret = drmModeAtomicAddProperty(pset, crtc->id(), crtc->mode_property().id(), |
| mode_.blob_id) < 0 || |
| drmModeAtomicAddProperty(pset, connector->id(), |
| connector->crtc_id_property().id(), |
| crtc->id()) < 0; |
| if (ret) { |
| ALOGE("Failed to add blob %d to pset", mode_.blob_id); |
| drmModeAtomicFree(pset); |
| return ret; |
| } |
| } |
| |
| for (DrmCompositionPlane &comp_plane : comp_planes) { |
| DrmPlane *plane = comp_plane.plane(); |
| DrmCrtc *crtc = comp_plane.crtc(); |
| std::vector<size_t> &source_layers = comp_plane.source_layers(); |
| |
| int fb_id = -1; |
| DrmHwcRect<int> display_frame; |
| DrmHwcRect<float> source_crop; |
| uint64_t rotation = 0; |
| uint64_t alpha = 0xFF; |
| |
| if (comp_plane.type() != DrmCompositionPlane::Type::kDisable) { |
| if (source_layers.size() > 1) { |
| ALOGE("Can't handle more than one source layer sz=%zu type=%d", |
| source_layers.size(), comp_plane.type()); |
| continue; |
| } |
| |
| if (source_layers.empty() || source_layers.front() >= layers.size()) { |
| ALOGE("Source layer index %zu out of bounds %zu type=%d", |
| source_layers.front(), layers.size(), comp_plane.type()); |
| break; |
| } |
| DrmHwcLayer &layer = layers[source_layers.front()]; |
| if (!test_only && layer.acquire_fence.get() >= 0) { |
| int acquire_fence = layer.acquire_fence.get(); |
| int total_fence_timeout = 0; |
| for (int i = 0; i < kAcquireWaitTries; ++i) { |
| int fence_timeout = kAcquireWaitTimeoutMs * (1 << i); |
| total_fence_timeout += fence_timeout; |
| ret = sync_wait(acquire_fence, fence_timeout); |
| if (ret) |
| ALOGW("Acquire fence %d wait %d failed (%d). Total time %d", |
| acquire_fence, i, ret, total_fence_timeout); |
| else |
| break; |
| } |
| if (ret) { |
| ALOGE("Failed to wait for acquire %d/%d", acquire_fence, ret); |
| break; |
| } |
| layer.acquire_fence.Close(); |
| } |
| if (!layer.buffer) { |
| ALOGE("Expected a valid framebuffer for pset"); |
| break; |
| } |
| fb_id = layer.buffer->fb_id; |
| display_frame = layer.display_frame; |
| source_crop = layer.source_crop; |
| if (layer.blending == DrmHwcBlending::kPreMult) |
| alpha = layer.alpha; |
| |
| rotation = 0; |
| if (layer.transform & DrmHwcTransform::kFlipH) |
| rotation |= 1 << DRM_REFLECT_X; |
| if (layer.transform & DrmHwcTransform::kFlipV) |
| rotation |= 1 << DRM_REFLECT_Y; |
| if (layer.transform & DrmHwcTransform::kRotate90) |
| rotation |= 1 << DRM_ROTATE_90; |
| else if (layer.transform & DrmHwcTransform::kRotate180) |
| rotation |= 1 << DRM_ROTATE_180; |
| else if (layer.transform & DrmHwcTransform::kRotate270) |
| rotation |= 1 << DRM_ROTATE_270; |
| } |
| // Disable the plane if there's no framebuffer |
| if (fb_id < 0) { |
| ret = drmModeAtomicAddProperty(pset, plane->id(), |
| plane->crtc_property().id(), 0) < 0 || |
| drmModeAtomicAddProperty(pset, plane->id(), |
| plane->fb_property().id(), 0) < 0; |
| if (ret) { |
| ALOGE("Failed to add plane %d disable to pset", plane->id()); |
| break; |
| } |
| continue; |
| } |
| |
| // TODO: Once we have atomic test, this should fall back to GL |
| if (rotation && plane->rotation_property().id() == 0) { |
| ALOGE("Rotation is not supported on plane %d", plane->id()); |
| ret = -EINVAL; |
| break; |
| } |
| |
| // TODO: Once we have atomic test, this should fall back to GL |
| if (alpha != 0xFF && plane->alpha_property().id() == 0) { |
| ALOGE("Alpha is not supported on plane %d", plane->id()); |
| ret = -EINVAL; |
| break; |
| } |
| |
| ret = drmModeAtomicAddProperty(pset, plane->id(), |
| plane->crtc_property().id(), crtc->id()) < 0; |
| ret |= drmModeAtomicAddProperty(pset, plane->id(), |
| plane->fb_property().id(), fb_id) < 0; |
| ret |= drmModeAtomicAddProperty(pset, plane->id(), |
| plane->crtc_x_property().id(), |
| display_frame.left) < 0; |
| ret |= drmModeAtomicAddProperty(pset, plane->id(), |
| plane->crtc_y_property().id(), |
| display_frame.top) < 0; |
| ret |= drmModeAtomicAddProperty( |
| pset, plane->id(), plane->crtc_w_property().id(), |
| display_frame.right - display_frame.left) < 0; |
| ret |= drmModeAtomicAddProperty( |
| pset, plane->id(), plane->crtc_h_property().id(), |
| display_frame.bottom - display_frame.top) < 0; |
| ret |= drmModeAtomicAddProperty(pset, plane->id(), |
| plane->src_x_property().id(), |
| (int)(source_crop.left) << 16) < 0; |
| ret |= drmModeAtomicAddProperty(pset, plane->id(), |
| plane->src_y_property().id(), |
| (int)(source_crop.top) << 16) < 0; |
| ret |= drmModeAtomicAddProperty( |
| pset, plane->id(), plane->src_w_property().id(), |
| (int)(source_crop.right - source_crop.left) << 16) < 0; |
| ret |= drmModeAtomicAddProperty( |
| pset, plane->id(), plane->src_h_property().id(), |
| (int)(source_crop.bottom - source_crop.top) << 16) < 0; |
| if (ret) { |
| ALOGE("Failed to add plane %d to set", plane->id()); |
| break; |
| } |
| |
| if (plane->rotation_property().id()) { |
| ret = drmModeAtomicAddProperty(pset, plane->id(), |
| plane->rotation_property().id(), |
| rotation) < 0; |
| if (ret) { |
| ALOGE("Failed to add rotation property %d to plane %d", |
| plane->rotation_property().id(), plane->id()); |
| break; |
| } |
| } |
| |
| if (plane->alpha_property().id()) { |
| ret = drmModeAtomicAddProperty(pset, plane->id(), |
| plane->alpha_property().id(), |
| alpha) < 0; |
| if (ret) { |
| ALOGE("Failed to add alpha property %d to plane %d", |
| plane->alpha_property().id(), plane->id()); |
| break; |
| } |
| } |
| } |
| |
| out: |
| if (!ret) { |
| uint32_t flags = DRM_MODE_ATOMIC_ALLOW_MODESET; |
| if (test_only) |
| flags |= DRM_MODE_ATOMIC_TEST_ONLY; |
| |
| ret = drmModeAtomicCommit(drm_->fd(), pset, flags, drm_); |
| if (ret) { |
| if (test_only) |
| ALOGI("Commit test pset failed ret=%d\n", ret); |
| else |
| ALOGE("Failed to commit pset ret=%d\n", ret); |
| drmModeAtomicFree(pset); |
| return ret; |
| } |
| } |
| if (pset) |
| drmModeAtomicFree(pset); |
| |
| if (!test_only && mode_.needs_modeset) { |
| ret = drm_->DestroyPropertyBlob(mode_.old_blob_id); |
| if (ret) { |
| ALOGE("Failed to destroy old mode property blob %" PRIu32 "/%d", |
| mode_.old_blob_id, ret); |
| return ret; |
| } |
| |
| /* TODO: Add dpms to the pset when the kernel supports it */ |
| ret = ApplyDpms(display_comp); |
| if (ret) { |
| ALOGE("Failed to apply DPMS after modeset %d\n", ret); |
| return ret; |
| } |
| |
| connector->set_active_mode(mode_.mode); |
| mode_.old_blob_id = mode_.blob_id; |
| mode_.blob_id = 0; |
| mode_.needs_modeset = false; |
| } |
| |
| 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; |
| } |
| |
| std::tuple<int, uint32_t> DrmDisplayCompositor::CreateModeBlob( |
| const DrmMode &mode) { |
| struct drm_mode_modeinfo drm_mode; |
| memset(&drm_mode, 0, sizeof(drm_mode)); |
| mode.ToDrmModeModeInfo(&drm_mode); |
| |
| uint32_t id = 0; |
| int ret = drm_->CreatePropertyBlob(&drm_mode, |
| sizeof(struct drm_mode_modeinfo), &id); |
| if (ret) { |
| ALOGE("Failed to create mode property blob %d", ret); |
| return std::make_tuple(ret, 0); |
| } |
| ALOGE("Create blob_id %" PRIu32 "\n", id); |
| return std::make_tuple(ret, id); |
| } |
| |
| void DrmDisplayCompositor::ClearDisplay() { |
| std::lock_guard<std::mutex> lk(mutex_); |
| if (!active_composition_) |
| return; |
| |
| if (DisablePlanes(active_composition_.get())) |
| return; |
| |
| active_composition_->SignalCompositionDone(); |
| |
| active_composition_.reset(NULL); |
| } |
| |
| void DrmDisplayCompositor::ApplyFrame( |
| std::unique_ptr<DrmDisplayComposition> composition, int status) { |
| int ret = status; |
| |
| if (!ret) |
| ret = CommitFrame(composition.get(), false); |
| |
| if (ret) { |
| 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. |
| ClearDisplay(); |
| return; |
| } |
| ++dump_frames_composited_; |
| |
| if (active_composition_) |
| active_composition_->SignalCompositionDone(); |
| |
| std::lock_guard<std::mutex> lk(mutex_); |
| active_composition_.swap(composition); |
| } |
| |
| void DrmDisplayCompositor::ProcessWork( |
| std::unique_ptr<DrmDisplayComposition> composition) { |
| ATRACE_CALL(); |
| |
| if (!pre_compositor_) { |
| pre_compositor_.reset(new GLWorkerCompositor()); |
| int ret = pre_compositor_->Init(); |
| if (ret) { |
| ALOGE("Failed to initialize OpenGL compositor %d", ret); |
| return; |
| } |
| } |
| |
| int ret; |
| switch (composition->type()) { |
| case DRM_COMPOSITION_TYPE_FRAME: |
| ret = PrepareFrame(composition.get()); |
| if (ret) { |
| ALOGE("Failed to prepare frame for display %d", display_); |
| return; |
| } |
| if (composition->geometry_changed()) { |
| // Send the composition to the kernel to ensure we can commit it. This |
| // is just a test, it won't actually commit the frame. If rejected, |
| // squash the frame into one layer and use the squashed composition |
| ret = CommitFrame(composition.get(), true); |
| if (ret) |
| ALOGI("Commit test failed, squashing frame for display %d", display_); |
| use_hw_overlays_ = !ret; |
| } |
| |
| // If use_hw_overlays_ is false, we can't use hardware to composite the |
| // frame. So squash all layers into a single composition and queue that |
| // instead. |
| if (!use_hw_overlays_) { |
| std::unique_ptr<DrmDisplayComposition> squashed = CreateComposition(); |
| ret = SquashFrame(composition.get(), squashed.get()); |
| if (!ret) { |
| composition = std::move(squashed); |
| } else { |
| ALOGE("Failed to squash frame 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. |
| ClearDisplay(); |
| return; |
| } |
| } |
| frame_worker_.QueueFrame(std::move(composition), ret); |
| break; |
| case DRM_COMPOSITION_TYPE_DPMS: |
| ret = ApplyDpms(composition.get()); |
| if (ret) |
| ALOGE("Failed to apply dpms for display %d", display_); |
| break; |
| case DRM_COMPOSITION_TYPE_MODESET: |
| mode_.mode = composition->display_mode(); |
| if (mode_.blob_id) |
| drm_->DestroyPropertyBlob(mode_.blob_id); |
| std::tie(ret, mode_.blob_id) = CreateModeBlob(mode_.mode); |
| if (ret) { |
| ALOGE("Failed to create mode blob for display %d", display_); |
| return; |
| } |
| mode_.needs_modeset = true; |
| break; |
| default: |
| ALOGE("Unknown composition type %d", composition->type()); |
| break; |
| } |
| } |
| |
| int DrmDisplayCompositor::SquashAll() { |
| std::unique_lock<std::mutex> lk(mutex_); |
| int ret; |
| |
| if (!active_composition_) |
| return 0; |
| |
| std::unique_ptr<DrmDisplayComposition> comp = CreateComposition(); |
| ret = SquashFrame(active_composition_.get(), comp.get()); |
| |
| // ApplyFrame needs the lock |
| lk.unlock(); |
| |
| if (!ret) |
| ApplyFrame(std::move(comp), 0); |
| |
| return ret; |
| } |
| |
| // Returns: |
| // - 0 if src is successfully squashed into dst |
| // - -EALREADY if the src is already squashed |
| // - Appropriate error if the squash fails |
| int DrmDisplayCompositor::SquashFrame(DrmDisplayComposition *src, |
| DrmDisplayComposition *dst) { |
| if (src->type() != DRM_COMPOSITION_TYPE_FRAME) |
| return -ENOTSUP; |
| |
| std::vector<DrmCompositionPlane> &src_planes = src->composition_planes(); |
| std::vector<DrmHwcLayer> &src_layers = src->layers(); |
| |
| // Make sure there is more than one layer to squash. |
| size_t src_planes_with_layer = std::count_if( |
| src_planes.begin(), src_planes.end(), [](DrmCompositionPlane &p) { |
| return p.type() != DrmCompositionPlane::Type::kDisable; |
| }); |
| if (src_planes_with_layer <= 1) |
| return -EALREADY; |
| |
| int pre_comp_layer_index; |
| |
| int ret = dst->Init(drm_, src->crtc(), src->importer(), src->planner(), |
| src->frame_no()); |
| if (ret) { |
| ALOGE("Failed to init squash all composition %d", ret); |
| return ret; |
| } |
| |
| DrmCompositionPlane squashed_comp(DrmCompositionPlane::Type::kPrecomp, NULL, |
| src->crtc()); |
| std::vector<DrmHwcLayer> dst_layers; |
| for (DrmCompositionPlane &comp_plane : src_planes) { |
| // Composition planes without DRM planes should never happen |
| if (comp_plane.plane() == NULL) { |
| ALOGE("Skipping squash all because of NULL plane"); |
| ret = -EINVAL; |
| goto move_layers_back; |
| } |
| |
| if (comp_plane.type() == DrmCompositionPlane::Type::kDisable) { |
| dst->AddPlaneDisable(comp_plane.plane()); |
| continue; |
| } |
| |
| for (auto i : comp_plane.source_layers()) { |
| DrmHwcLayer &layer = src_layers[i]; |
| |
| // Squashing protected layers is impossible. |
| if (layer.protected_usage()) { |
| ret = -ENOTSUP; |
| goto move_layers_back; |
| } |
| |
| // The OutputFds point to freed memory after hwc_set returns. They are |
| // returned to the default to prevent DrmDisplayComposition::Plan from |
| // filling the OutputFds. |
| layer.release_fence = OutputFd(); |
| dst_layers.emplace_back(std::move(layer)); |
| squashed_comp.source_layers().push_back( |
| squashed_comp.source_layers().size()); |
| } |
| |
| if (comp_plane.plane()->type() == DRM_PLANE_TYPE_PRIMARY) |
| squashed_comp.set_plane(comp_plane.plane()); |
| else |
| dst->AddPlaneDisable(comp_plane.plane()); |
| } |
| |
| ret = dst->SetLayers(dst_layers.data(), dst_layers.size(), false); |
| if (ret) { |
| ALOGE("Failed to set layers for squash all composition %d", ret); |
| goto move_layers_back; |
| } |
| |
| ret = dst->AddPlaneComposition(std::move(squashed_comp)); |
| if (ret) { |
| ALOGE("Failed to add squashed plane composition %d", ret); |
| goto move_layers_back; |
| } |
| |
| ret = dst->FinalizeComposition(); |
| if (ret) { |
| ALOGE("Failed to plan for squash all composition %d", ret); |
| goto move_layers_back; |
| } |
| |
| ret = ApplyPreComposite(dst); |
| if (ret) { |
| ALOGE("Failed to pre-composite for squash all composition %d", ret); |
| goto move_layers_back; |
| } |
| |
| pre_comp_layer_index = dst->layers().size() - 1; |
| framebuffer_index_ = (framebuffer_index_ + 1) % DRM_DISPLAY_BUFFERS; |
| |
| for (DrmCompositionPlane &plane : dst->composition_planes()) { |
| if (plane.type() == DrmCompositionPlane::Type::kPrecomp) { |
| // Replace source_layers with the output of the precomposite |
| plane.source_layers().clear(); |
| plane.source_layers().push_back(pre_comp_layer_index); |
| break; |
| } |
| } |
| |
| return 0; |
| |
| // TODO(zachr): think of a better way to transfer ownership back to the active |
| // composition. |
| move_layers_back: |
| for (size_t plane_index = 0; |
| plane_index < src_planes.size() && plane_index < dst_layers.size();) { |
| if (src_planes[plane_index].source_layers().empty()) { |
| plane_index++; |
| continue; |
| } |
| for (auto i : src_planes[plane_index].source_layers()) |
| src_layers[i] = std::move(dst_layers[plane_index++]); |
| } |
| |
| return ret; |
| } |
| |
| void DrmDisplayCompositor::Dump(std::ostringstream *out) const { |
| std::lock_guard<std::mutex> lk(mutex_); |
| uint64_t num_frames = dump_frames_composited_; |
| dump_frames_composited_ = 0; |
| |
| struct timespec ts; |
| int ret = clock_gettime(CLOCK_MONOTONIC, &ts); |
| if (ret) { |
| return; |
| } |
| |
| uint64_t cur_ts = ts.tv_sec * 1000 * 1000 * 1000 + ts.tv_nsec; |
| uint64_t num_ms = (cur_ts - dump_last_timestamp_ns_) / (1000 * 1000); |
| float fps = num_ms ? (num_frames * 1000.0f) / (num_ms) : 0.0f; |
| |
| *out << "--DrmDisplayCompositor[" << display_ |
| << "]: num_frames=" << num_frames << " num_ms=" << num_ms |
| << " fps=" << fps << "\n"; |
| |
| dump_last_timestamp_ns_ = cur_ts; |
| |
| *out << "----Jank Stats: " |
| << " compositor_max_q_wait_us=" << max_duration_us |
| << " frameworker_max_q_wait_us=" << frame_worker_.max_duration_us |
| << "\n"; |
| |
| max_duration_us = 0; |
| frame_worker_.max_duration_us = 0; |
| |
| if (active_composition_) |
| active_composition_->Dump(out); |
| |
| squash_state_.Dump(out); |
| } |
| |
| void DrmDisplayCompositor::ProcessIdle() { |
| SquashAll(); |
| } |
| } |