#include <stdlib.h>
+#include <algorithm>
+#include <unordered_set>
+
#include <cutils/log.h>
#include <sw_sync.h>
#include <sync/sync.h>
namespace android {
-DrmCompositionLayer::DrmCompositionLayer(DrmCrtc *crtc, DrmHwcLayer &&l)
- : crtc(crtc),
- sf_handle(l.sf_handle),
- buffer(std::move(l.buffer)),
- handle(std::move(l.handle)),
- transform(l.transform),
- blending(l.blending),
- alpha(l.alpha),
- source_crop(l.source_crop),
- display_frame(l.display_frame),
- source_damage(l.source_damage),
- acquire_fence(std::move(l.acquire_fence)) {
-}
-
-DrmDisplayComposition::DrmDisplayComposition()
- : drm_(NULL),
- importer_(NULL),
- type_(DRM_COMPOSITION_TYPE_EMPTY),
- timeline_fd_(-1),
- timeline_(0),
- timeline_current_(0),
- timeline_pre_comp_done_(0),
- pre_composition_layer_index_(-1),
- dpms_mode_(DRM_MODE_DPMS_ON),
- frame_no_(0) {
-}
+const size_t DrmCompositionPlane::kSourceNone;
+const size_t DrmCompositionPlane::kSourcePreComp;
+const size_t DrmCompositionPlane::kSourceSquash;
+const size_t DrmCompositionPlane::kSourceLayerMax;
DrmDisplayComposition::~DrmDisplayComposition() {
if (timeline_fd_ >= 0) {
- FinishComposition();
+ SignalCompositionDone();
close(timeline_fd_);
- timeline_fd_ = -1;
}
}
return 0;
}
-DrmCompositionType DrmDisplayComposition::type() const {
- return type_;
-}
-
bool DrmDisplayComposition::validate_composition_type(DrmCompositionType des) {
return type_ == DRM_COMPOSITION_TYPE_EMPTY || type_ == des;
}
+int DrmDisplayComposition::CreateNextTimelineFence() {
+ ++timeline_;
+ return sw_sync_fence_create(timeline_fd_, "hwc drm display composition fence",
+ timeline_);
+}
+
+int DrmDisplayComposition::IncreaseTimelineToPoint(int point) {
+ int timeline_increase = point - timeline_current_;
+ if (timeline_increase <= 0)
+ return 0;
+
+ int ret = sw_sync_timeline_inc(timeline_fd_, timeline_increase);
+ if (ret)
+ ALOGE("Failed to increment sync timeline %d", ret);
+ else
+ timeline_current_ = point;
+
+ return ret;
+}
+
+int DrmDisplayComposition::SetLayers(DrmHwcLayer *layers, size_t num_layers,
+ bool geometry_changed) {
+ if (!validate_composition_type(DRM_COMPOSITION_TYPE_FRAME))
+ return -EINVAL;
+
+ geometry_changed_ = geometry_changed;
+
+ for (size_t layer_index = 0; layer_index < num_layers; layer_index++) {
+ layers_.emplace_back(std::move(layers[layer_index]));
+ }
+
+ type_ = DRM_COMPOSITION_TYPE_FRAME;
+ return 0;
+}
+
+int DrmDisplayComposition::SetDpmsMode(uint32_t dpms_mode) {
+ if (!validate_composition_type(DRM_COMPOSITION_TYPE_DPMS))
+ return -EINVAL;
+ dpms_mode_ = dpms_mode;
+ type_ = DRM_COMPOSITION_TYPE_DPMS;
+ return 0;
+}
+
+int DrmDisplayComposition::SetDisplayMode(const DrmMode &display_mode) {
+ if (!validate_composition_type(DRM_COMPOSITION_TYPE_MODESET))
+ return -EINVAL;
+ display_mode_ = display_mode;
+ dpms_mode_ = DRM_MODE_DPMS_ON;
+ type_ = DRM_COMPOSITION_TYPE_MODESET;
+ return 0;
+}
+
+int DrmDisplayComposition::AddPlaneDisable(DrmPlane *plane) {
+ composition_planes_.emplace_back(
+ DrmCompositionPlane{plane, crtc_, DrmCompositionPlane::kSourceNone});
+ return 0;
+}
+
+static size_t CountUsablePlanes(DrmCrtc *crtc,
+ std::vector<DrmPlane *> *primary_planes,
+ std::vector<DrmPlane *> *overlay_planes) {
+ return std::count_if(
+ primary_planes->begin(), primary_planes->end(),
+ [=](DrmPlane *plane) { return plane->GetCrtcSupported(*crtc); }) +
+ std::count_if(
+ overlay_planes->begin(), overlay_planes->end(),
+ [=](DrmPlane *plane) { return plane->GetCrtcSupported(*crtc); });
+}
+
static DrmPlane *TakePlane(DrmCrtc *crtc, std::vector<DrmPlane *> *planes) {
for (auto iter = planes->begin(); iter != planes->end(); ++iter) {
if ((*iter)->GetCrtcSupported(*crtc)) {
return TakePlane(crtc, overlay_planes);
}
-int DrmDisplayComposition::CreateNextTimelineFence() {
- ++timeline_;
- return sw_sync_fence_create(timeline_fd_, "drm_fence", timeline_);
+void DrmDisplayComposition::EmplaceCompositionPlane(
+ size_t source_layer, std::vector<DrmPlane *> *primary_planes,
+ std::vector<DrmPlane *> *overlay_planes) {
+ DrmPlane *plane = TakePlane(crtc_, primary_planes, overlay_planes);
+ if (plane == NULL) {
+ ALOGE(
+ "Failed to add composition plane because there are no planes "
+ "remaining");
+ return;
+ }
+ composition_planes_.emplace_back(
+ DrmCompositionPlane{plane, crtc_, source_layer});
}
-int DrmDisplayComposition::IncreaseTimelineToPoint(int point) {
- int timeline_increase = point - timeline_current_;
- if (timeline_increase <= 0)
- return 0;
+static std::vector<size_t> SetBitsToVector(uint64_t in, size_t *index_map) {
+ std::vector<size_t> out;
+ size_t msb = sizeof(in) * 8 - 1;
+ uint64_t mask = (uint64_t)1 << msb;
+ for (size_t i = msb; mask != (uint64_t)0; i--, mask >>= 1)
+ if (in & mask)
+ out.push_back(index_map[i]);
+ return out;
+}
- int ret = sw_sync_timeline_inc(timeline_fd_, timeline_increase);
- if (ret)
- ALOGE("Failed to increment sync timeline %d", ret);
- else
- timeline_current_ = point;
+static void SeparateLayers(DrmHwcLayer *layers, size_t *used_layers,
+ size_t num_used_layers,
+ DrmHwcRect<int> *exclude_rects,
+ size_t num_exclude_rects,
+ std::vector<DrmCompositionRegion> ®ions) {
+ if (num_used_layers > 64) {
+ ALOGE("Failed to separate layers because there are more than 64");
+ return;
+ }
- return ret;
+ if (num_used_layers + num_exclude_rects > 64) {
+ ALOGW(
+ "Exclusion rectangles are being truncated to make the rectangle count "
+ "fit into 64");
+ num_exclude_rects = 64 - num_used_layers;
+ }
+
+ // We inject all the exclude rects into the rects list. Any resulting rect
+ // that includes ANY of the first num_exclude_rects is rejected.
+ std::vector<DrmHwcRect<int>> layer_rects(num_used_layers + num_exclude_rects);
+ std::copy(exclude_rects, exclude_rects + num_exclude_rects,
+ layer_rects.begin());
+ std::transform(
+ used_layers, used_layers + num_used_layers,
+ layer_rects.begin() + num_exclude_rects,
+ [=](size_t layer_index) { return layers[layer_index].display_frame; });
+
+ std::vector<separate_rects::RectSet<uint64_t, int>> separate_regions;
+ separate_rects::separate_rects_64(layer_rects, &separate_regions);
+ uint64_t exclude_mask = ((uint64_t)1 << num_exclude_rects) - 1;
+
+ for (separate_rects::RectSet<uint64_t, int> ®ion : separate_regions) {
+ if (region.id_set.getBits() & exclude_mask)
+ continue;
+ regions.emplace_back(DrmCompositionRegion{
+ region.rect,
+ SetBitsToVector(region.id_set.getBits() >> num_exclude_rects,
+ used_layers)});
+ }
}
-int DrmDisplayComposition::SetLayers(DrmHwcLayer *layers, size_t num_layers,
- std::vector<DrmPlane *> *primary_planes,
- std::vector<DrmPlane *> *overlay_planes) {
- int ret = 0;
- if (!validate_composition_type(DRM_COMPOSITION_TYPE_FRAME))
- return -EINVAL;
+int DrmDisplayComposition::CreateAndAssignReleaseFences() {
+ std::unordered_set<DrmHwcLayer *> squash_layers;
+ std::unordered_set<DrmHwcLayer *> pre_comp_layers;
+ std::unordered_set<DrmHwcLayer *> comp_layers;
- for (size_t layer_index = 0; layer_index < num_layers; layer_index++) {
- DrmHwcLayer *layer = &layers[layer_index];
-
- layers_.emplace_back(crtc_, std::move(*layer));
- DrmCompositionLayer *c_layer = &layers_.back();
-
- if (pre_composition_layer_index_ == -1) {
- c_layer->plane = TakePlane(crtc_, primary_planes, overlay_planes);
- if (c_layer->plane == NULL) {
- if (layers_.size() <= 1) {
- ALOGE("Failed to match any planes to the crtc of this display");
- ret = -ENODEV;
- goto fail;
- }
+ for (const DrmCompositionRegion ®ion : squash_regions_) {
+ for (size_t source_layer_index : region.source_layers) {
+ DrmHwcLayer *source_layer = &layers_[source_layer_index];
+ squash_layers.emplace(source_layer);
+ }
+ }
- layers_.emplace_back();
- // c_layer's address might have changed when we resized the vector
- c_layer = &layers_[layers_.size() - 2];
- DrmCompositionLayer &pre_comp_layer = layers_.back();
- pre_comp_layer.crtc = crtc_;
-
- pre_composition_layer_index_ = layers_.size() - 1;
-
- // This is all to fix up the previous layer, which has now become part
- // of the set of pre-composition layers because we are stealing its
- // plane.
- DrmCompositionLayer &last_c_layer = layers_[layers_.size() - 3];
- std::swap(pre_comp_layer.plane, last_c_layer.plane);
- OutputFd &last_release_fence = layers[layer_index - 1].release_fence;
- last_release_fence.Set(CreateNextTimelineFence());
- ret = last_release_fence.get();
- if (ret < 0) {
- ALOGE("Could not create release fence %d", ret);
- goto fail;
- }
- }
+ for (const DrmCompositionRegion ®ion : pre_comp_regions_) {
+ for (size_t source_layer_index : region.source_layers) {
+ DrmHwcLayer *source_layer = &layers_[source_layer_index];
+ pre_comp_layers.emplace(source_layer);
+ squash_layers.erase(source_layer);
}
+ }
- if (c_layer->plane == NULL) {
- // Layers to be pre composited all get the earliest release fences as they
- // will get released soonest.
- layer->release_fence.Set(CreateNextTimelineFence());
- ret = layer->release_fence.get();
- if (ret < 0) {
- ALOGE("Could not create release fence %d", ret);
- goto fail;
- }
+ for (const DrmCompositionPlane &plane : composition_planes_) {
+ if (plane.source_layer <= DrmCompositionPlane::kSourceLayerMax) {
+ DrmHwcLayer *source_layer = &layers_[plane.source_layer];
+ comp_layers.emplace(source_layer);
+ pre_comp_layers.erase(source_layer);
}
}
+ for (DrmHwcLayer *layer : squash_layers) {
+ int ret = layer->release_fence.Set(CreateNextTimelineFence());
+ if (ret < 0)
+ return ret;
+ }
+ timeline_squash_done_ = timeline_;
+
+ for (DrmHwcLayer *layer : pre_comp_layers) {
+ int ret = layer->release_fence.Set(CreateNextTimelineFence());
+ if (ret < 0)
+ return ret;
+ }
timeline_pre_comp_done_ = timeline_;
- for (size_t layer_index = 0; layer_index < num_layers; layer_index++) {
- DrmHwcLayer *layer = &layers[layer_index];
- if (layer->release_fence.get() >= 0)
- continue;
+ for (DrmHwcLayer *layer : comp_layers) {
+ int ret = layer->release_fence.Set(CreateNextTimelineFence());
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+int DrmDisplayComposition::Plan(SquashState *squash,
+ std::vector<DrmPlane *> *primary_planes,
+ std::vector<DrmPlane *> *overlay_planes) {
+ if (type_ != DRM_COMPOSITION_TYPE_FRAME)
+ return 0;
+
+ size_t planes_can_use =
+ CountUsablePlanes(crtc_, primary_planes, overlay_planes);
+ if (planes_can_use == 0) {
+ ALOGE("Display %d has no usable planes", crtc_->display());
+ return -ENODEV;
+ }
+
+ bool use_squash_framebuffer = false;
+ // Used to determine which layers were entirely squashed
+ std::vector<int> layer_squash_area(layers_.size(), 0);
+ // Used to avoid rerendering regions that were squashed
+ std::vector<DrmHwcRect<int>> exclude_rects;
+ if (squash != NULL && planes_can_use >= 3) {
+ if (geometry_changed_) {
+ squash->Init(layers_.data(), layers_.size());
+ } else {
+ std::vector<bool> changed_regions;
+ squash->GenerateHistory(layers_.data(), layers_.size(), changed_regions);
+
+ std::vector<bool> stable_regions;
+ squash->StableRegionsWithMarginalHistory(changed_regions, stable_regions);
+
+ // Only if SOME region is stable
+ use_squash_framebuffer =
+ std::find(stable_regions.begin(), stable_regions.end(), true) !=
+ stable_regions.end();
+
+ squash->RecordHistory(layers_.data(), layers_.size(), changed_regions);
+
+ // Changes in which regions are squashed triggers a rerender via
+ // squash_regions.
+ bool render_squash = squash->RecordAndCompareSquashed(stable_regions);
+
+ for (size_t region_index = 0; region_index < stable_regions.size();
+ region_index++) {
+ const SquashState::Region ®ion = squash->regions()[region_index];
+ if (!stable_regions[region_index])
+ continue;
+
+ exclude_rects.emplace_back(region.rect);
+
+ if (render_squash) {
+ squash_regions_.emplace_back();
+ squash_regions_.back().frame = region.rect;
+ }
- ret = layer->release_fence.Set(CreateNextTimelineFence());
- if (ret < 0) {
- ALOGE("Could not create release fence %d", ret);
- goto fail;
+ int frame_area = region.rect.area();
+ // Source layers are sorted front to back i.e. top layer has lowest
+ // index.
+ for (size_t layer_index = layers_.size();
+ layer_index-- > 0; // Yes, I double checked this
+ /* See condition */) {
+ if (!region.layer_refs[layer_index])
+ continue;
+ layer_squash_area[layer_index] += frame_area;
+ if (render_squash)
+ squash_regions_.back().source_layers.push_back(layer_index);
+ }
+ }
}
}
- type_ = DRM_COMPOSITION_TYPE_FRAME;
- return 0;
+ // All protected layers get first usage of planes
+ std::vector<size_t> layers_remaining;
+ for (size_t layer_index = 0; layer_index < layers_.size(); layer_index++) {
+ if (!layers_[layer_index].protected_usage() || planes_can_use == 0) {
+ layers_remaining.push_back(layer_index);
+ continue;
+ }
+ EmplaceCompositionPlane(layer_index, primary_planes, overlay_planes);
+ planes_can_use--;
+ }
-fail:
+ if (planes_can_use == 0 && layers_remaining.size() > 0) {
+ ALOGE("Protected layers consumed all hardware planes");
+ return CreateAndAssignReleaseFences();
+ }
+
+ std::vector<size_t> layers_remaining_if_squash;
+ for (size_t layer_index : layers_remaining) {
+ if (layer_squash_area[layer_index] <
+ layers_[layer_index].display_frame.area())
+ layers_remaining_if_squash.push_back(layer_index);
+ }
- for (size_t c_layer_index = 0; c_layer_index < layers_.size();
- c_layer_index++) {
- DrmCompositionLayer &c_layer = layers_[c_layer_index];
- if (c_layer.plane != NULL) {
- std::vector<DrmPlane *> *return_to =
- (c_layer.plane->type() == DRM_PLANE_TYPE_PRIMARY) ? primary_planes
- : overlay_planes;
- return_to->insert(return_to->begin() + c_layer_index, c_layer.plane);
+ if (use_squash_framebuffer) {
+ if (planes_can_use > 1 || layers_remaining_if_squash.size() == 0) {
+ layers_remaining = std::move(layers_remaining_if_squash);
+ planes_can_use--; // Reserve plane for squashing
+ } else {
+ use_squash_framebuffer = false; // The squash buffer is still rendered
}
}
- layers_.clear();
+ if (layers_remaining.size() > planes_can_use)
+ planes_can_use--; // Reserve one for pre-compositing
- sw_sync_timeline_inc(timeline_fd_, timeline_ - timeline_current_);
+ // Whatever planes that are not reserved get assigned a layer
+ size_t last_composition_layer = 0;
+ for (last_composition_layer = 0;
+ last_composition_layer < layers_remaining.size() && planes_can_use > 0;
+ last_composition_layer++, planes_can_use--) {
+ EmplaceCompositionPlane(layers_remaining[last_composition_layer],
+ primary_planes, overlay_planes);
+ }
- timeline_ = timeline_current_;
- return ret;
-}
+ layers_remaining.erase(layers_remaining.begin(),
+ layers_remaining.begin() + last_composition_layer);
-int DrmDisplayComposition::SetDpmsMode(uint32_t dpms_mode) {
- if (!validate_composition_type(DRM_COMPOSITION_TYPE_DPMS))
- return -EINVAL;
- dpms_mode_ = dpms_mode;
- type_ = DRM_COMPOSITION_TYPE_DPMS;
- return 0;
-}
+ if (layers_remaining.size() > 0) {
+ EmplaceCompositionPlane(DrmCompositionPlane::kSourcePreComp, primary_planes,
+ overlay_planes);
+ SeparateLayers(layers_.data(), layers_remaining.data(),
+ layers_remaining.size(), exclude_rects.data(),
+ exclude_rects.size(), pre_comp_regions_);
+ }
-int DrmDisplayComposition::AddPlaneDisable(DrmPlane *plane) {
- layers_.emplace_back();
- DrmCompositionLayer &c_layer = layers_.back();
- c_layer.crtc = NULL;
- c_layer.plane = plane;
- return 0;
-}
+ if (use_squash_framebuffer) {
+ EmplaceCompositionPlane(DrmCompositionPlane::kSourceSquash, primary_planes,
+ overlay_planes);
+ }
-void DrmDisplayComposition::RemoveNoPlaneLayers() {
- layers_.erase(
- std::remove_if(layers_.begin(), layers_.end(),
- [](DrmCompositionLayer &l) { return l.plane == NULL; }),
- layers_.end());
+ return CreateAndAssignReleaseFences();
}
-int DrmDisplayComposition::SignalPreCompositionDone() {
- return IncreaseTimelineToPoint(timeline_pre_comp_done_);
+static const char *DrmCompositionTypeToString(DrmCompositionType type) {
+ switch (type) {
+ case DRM_COMPOSITION_TYPE_EMPTY:
+ return "EMPTY";
+ case DRM_COMPOSITION_TYPE_FRAME:
+ return "FRAME";
+ case DRM_COMPOSITION_TYPE_DPMS:
+ return "DPMS";
+ case DRM_COMPOSITION_TYPE_MODESET:
+ return "MODESET";
+ default:
+ return "<invalid>";
+ }
}
-int DrmDisplayComposition::FinishComposition() {
- return IncreaseTimelineToPoint(timeline_);
+static const char *DPMSModeToString(int dpms_mode) {
+ switch (dpms_mode) {
+ case DRM_MODE_DPMS_ON:
+ return "ON";
+ case DRM_MODE_DPMS_OFF:
+ return "OFF";
+ default:
+ return "<invalid>";
+ }
}
-std::vector<DrmCompositionLayer>
- *DrmDisplayComposition::GetCompositionLayers() {
- return &layers_;
+static void DumpBuffer(const DrmHwcBuffer &buffer, std::ostringstream *out) {
+ if (!buffer) {
+ *out << "buffer=<invalid>";
+ return;
+ }
+
+ *out << "buffer[w/h/format]=";
+ *out << buffer->width << "/" << buffer->height << "/" << buffer->format;
}
-int DrmDisplayComposition::pre_composition_layer_index() const {
- return pre_composition_layer_index_;
+static const char *TransformToString(DrmHwcTransform transform) {
+ switch (transform) {
+ case DrmHwcTransform::kIdentity:
+ return "IDENTITY";
+ case DrmHwcTransform::kFlipH:
+ return "FLIPH";
+ case DrmHwcTransform::kFlipV:
+ return "FLIPV";
+ case DrmHwcTransform::kRotate90:
+ return "ROTATE90";
+ case DrmHwcTransform::kRotate180:
+ return "ROTATE180";
+ case DrmHwcTransform::kRotate270:
+ return "ROTATE270";
+ default:
+ return "<invalid>";
+ }
}
-uint32_t DrmDisplayComposition::dpms_mode() const {
- return dpms_mode_;
+static const char *BlendingToString(DrmHwcBlending blending) {
+ switch (blending) {
+ case DrmHwcBlending::kNone:
+ return "NONE";
+ case DrmHwcBlending::kPreMult:
+ return "PREMULT";
+ case DrmHwcBlending::kCoverage:
+ return "COVERAGE";
+ default:
+ return "<invalid>";
+ }
}
-uint64_t DrmDisplayComposition::frame_no() const {
- return frame_no_;
+static void DumpRegion(const DrmCompositionRegion ®ion,
+ std::ostringstream *out) {
+ *out << "frame";
+ region.frame.Dump(out);
+ *out << " source_layers=(";
+
+ const std::vector<size_t> &source_layers = region.source_layers;
+ for (size_t i = 0; i < source_layers.size(); i++) {
+ *out << source_layers[i];
+ if (i < source_layers.size() - 1) {
+ *out << " ";
+ }
+ }
+
+ *out << ")";
}
-Importer *DrmDisplayComposition::importer() const {
- return importer_;
+void DrmDisplayComposition::Dump(std::ostringstream *out) const {
+ *out << "----DrmDisplayComposition"
+ << " crtc=" << (crtc_ ? crtc_->id() : -1)
+ << " type=" << DrmCompositionTypeToString(type_);
+
+ switch (type_) {
+ case DRM_COMPOSITION_TYPE_DPMS:
+ *out << " dpms_mode=" << DPMSModeToString(dpms_mode_);
+ break;
+ case DRM_COMPOSITION_TYPE_MODESET:
+ *out << " display_mode=" << display_mode_.h_display() << "x"
+ << display_mode_.v_display();
+ break;
+ default:
+ break;
+ }
+
+ *out << " timeline[current/squash/pre-comp/done]=" << timeline_current_ << "/"
+ << timeline_squash_done_ << "/" << timeline_pre_comp_done_ << "/"
+ << timeline_ << "\n";
+
+ *out << " Layers: count=" << layers_.size() << "\n";
+ for (size_t i = 0; i < layers_.size(); i++) {
+ const DrmHwcLayer &layer = layers_[i];
+ *out << " [" << i << "] ";
+
+ DumpBuffer(layer.buffer, out);
+
+ if (layer.protected_usage())
+ *out << " protected";
+
+ *out << " transform=" << TransformToString(layer.transform)
+ << " blending[a=" << (int)layer.alpha
+ << "]=" << BlendingToString(layer.blending) << " source_crop";
+ layer.source_crop.Dump(out);
+ *out << " display_frame";
+ layer.display_frame.Dump(out);
+
+ *out << "\n";
+ }
+
+ *out << " Planes: count=" << composition_planes_.size() << "\n";
+ for (size_t i = 0; i < composition_planes_.size(); i++) {
+ const DrmCompositionPlane &comp_plane = composition_planes_[i];
+ *out << " [" << i << "]"
+ << " plane=" << (comp_plane.plane ? comp_plane.plane->id() : -1)
+ << " source_layer=";
+ if (comp_plane.source_layer <= DrmCompositionPlane::kSourceLayerMax) {
+ *out << comp_plane.source_layer;
+ } else {
+ switch (comp_plane.source_layer) {
+ case DrmCompositionPlane::kSourceNone:
+ *out << "NONE";
+ break;
+ case DrmCompositionPlane::kSourcePreComp:
+ *out << "PRECOMP";
+ break;
+ case DrmCompositionPlane::kSourceSquash:
+ *out << "SQUASH";
+ break;
+ default:
+ *out << "<invalid>";
+ break;
+ }
+ }
+
+ *out << "\n";
+ }
+
+ *out << " Squash Regions: count=" << squash_regions_.size() << "\n";
+ for (size_t i = 0; i < squash_regions_.size(); i++) {
+ *out << " [" << i << "] ";
+ DumpRegion(squash_regions_[i], out);
+ *out << "\n";
+ }
+
+ *out << " Pre-Comp Regions: count=" << pre_comp_regions_.size() << "\n";
+ for (size_t i = 0; i < pre_comp_regions_.size(); i++) {
+ *out << " [" << i << "] ";
+ DumpRegion(pre_comp_regions_[i], out);
+ *out << "\n";
+ }
}
}
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