You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1100 lines
36 KiB
1100 lines
36 KiB
/*
|
|
* 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 <log/log.h>
|
|
#include <pthread.h>
|
|
#include <sched.h>
|
|
#include <stdlib.h>
|
|
#include <sync/sync.h>
|
|
#include <time.h>
|
|
#include <utils/Trace.h>
|
|
|
|
#include <array>
|
|
#include <sstream>
|
|
#include <vector>
|
|
|
|
#include "drm/DrmCrtc.h"
|
|
#include "drm/DrmDevice.h"
|
|
#include "drm/DrmPlane.h"
|
|
#include "utils/autolock.h"
|
|
|
|
static const uint32_t kWaitWritebackFence = 100; // ms
|
|
|
|
namespace android {
|
|
|
|
std::ostream &operator<<(std::ostream &str, FlatteningState state) {
|
|
std::array<const char *, 6> flattenting_state_str = {
|
|
"None", "Not needed", "SF Requested", "Squashed by GPU",
|
|
"Serial", "Concurrent",
|
|
};
|
|
|
|
return str << flattenting_state_str[static_cast<int>(state)];
|
|
}
|
|
|
|
class CompositorVsyncCallback : public VsyncCallback {
|
|
public:
|
|
CompositorVsyncCallback(DrmDisplayCompositor *compositor)
|
|
: compositor_(compositor) {
|
|
}
|
|
|
|
void Callback(int display, int64_t timestamp) {
|
|
compositor_->Vsync(display, timestamp);
|
|
}
|
|
|
|
private:
|
|
DrmDisplayCompositor *compositor_;
|
|
};
|
|
|
|
DrmDisplayCompositor::DrmDisplayCompositor()
|
|
: resource_manager_(NULL),
|
|
display_(-1),
|
|
initialized_(false),
|
|
active_(false),
|
|
use_hw_overlays_(true),
|
|
dump_frames_composited_(0),
|
|
dump_last_timestamp_ns_(0),
|
|
flatten_countdown_(FLATTEN_COUNTDOWN_INIT),
|
|
writeback_fence_(-1),
|
|
flattening_state_(FlatteningState::kNone),
|
|
frames_flattened_(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;
|
|
|
|
vsync_worker_.Exit();
|
|
int ret = pthread_mutex_lock(&lock_);
|
|
if (ret)
|
|
ALOGE("Failed to acquire compositor lock %d", ret);
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
if (mode_.blob_id)
|
|
drm->DestroyPropertyBlob(mode_.blob_id);
|
|
if (mode_.old_blob_id)
|
|
drm->DestroyPropertyBlob(mode_.old_blob_id);
|
|
|
|
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(ResourceManager *resource_manager, int display) {
|
|
resource_manager_ = resource_manager;
|
|
display_ = display;
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display);
|
|
if (!drm) {
|
|
ALOGE("Could not find drmdevice for display");
|
|
return -EINVAL;
|
|
}
|
|
int ret = pthread_mutex_init(&lock_, NULL);
|
|
if (ret) {
|
|
ALOGE("Failed to initialize drm compositor lock %d\n", ret);
|
|
return ret;
|
|
}
|
|
planner_ = Planner::CreateInstance(drm);
|
|
|
|
vsync_worker_.Init(drm, display_);
|
|
auto callback = std::make_shared<CompositorVsyncCallback>(this);
|
|
vsync_worker_.RegisterCallback(callback);
|
|
|
|
initialized_ = true;
|
|
return 0;
|
|
}
|
|
|
|
std::unique_ptr<DrmDisplayComposition> DrmDisplayCompositor::CreateComposition()
|
|
const {
|
|
return std::unique_ptr<DrmDisplayComposition>(new DrmDisplayComposition());
|
|
}
|
|
|
|
std::unique_ptr<DrmDisplayComposition>
|
|
DrmDisplayCompositor::CreateInitializedComposition() const {
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
DrmCrtc *crtc = drm->GetCrtcForDisplay(display_);
|
|
if (!crtc) {
|
|
ALOGE("Failed to find crtc for display = %d", display_);
|
|
return std::unique_ptr<DrmDisplayComposition>();
|
|
}
|
|
std::unique_ptr<DrmDisplayComposition> comp = CreateComposition();
|
|
std::shared_ptr<Importer> importer = resource_manager_->GetImporter(display_);
|
|
if (!importer) {
|
|
ALOGE("Failed to find resources for display = %d", display_);
|
|
return std::unique_ptr<DrmDisplayComposition>();
|
|
}
|
|
int ret = comp->Init(drm, crtc, importer.get(), planner_.get(), 0);
|
|
if (ret) {
|
|
ALOGE("Failed to init composition for display = %d", display_);
|
|
return std::unique_ptr<DrmDisplayComposition>();
|
|
}
|
|
return comp;
|
|
}
|
|
|
|
FlatteningState DrmDisplayCompositor::GetFlatteningState() const {
|
|
return flattening_state_;
|
|
}
|
|
|
|
uint32_t DrmDisplayCompositor::GetFlattenedFramesCount() const {
|
|
return frames_flattened_;
|
|
}
|
|
|
|
bool DrmDisplayCompositor::ShouldFlattenOnClient() const {
|
|
return flattening_state_ == FlatteningState::kClientRequested ||
|
|
flattening_state_ == FlatteningState::kClientDone;
|
|
}
|
|
|
|
std::tuple<uint32_t, uint32_t, int>
|
|
DrmDisplayCompositor::GetActiveModeResolution() {
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
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::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;
|
|
}
|
|
}
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
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::SetupWritebackCommit(drmModeAtomicReqPtr pset,
|
|
uint32_t crtc_id,
|
|
DrmConnector *writeback_conn,
|
|
DrmHwcBuffer *writeback_buffer) {
|
|
int ret = 0;
|
|
if (writeback_conn->writeback_fb_id().id() == 0 ||
|
|
writeback_conn->writeback_out_fence().id() == 0) {
|
|
ALOGE("Writeback properties don't exit");
|
|
return -EINVAL;
|
|
}
|
|
if ((*writeback_buffer)->fb_id == 0) {
|
|
ALOGE("Invalid writeback buffer");
|
|
return -EINVAL;
|
|
}
|
|
ret = drmModeAtomicAddProperty(pset, writeback_conn->id(),
|
|
writeback_conn->writeback_fb_id().id(),
|
|
(*writeback_buffer)->fb_id);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to add writeback_fb_id");
|
|
return ret;
|
|
}
|
|
ret = drmModeAtomicAddProperty(pset, writeback_conn->id(),
|
|
writeback_conn->writeback_out_fence().id(),
|
|
(uint64_t)&writeback_fence_);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to add writeback_out_fence");
|
|
return ret;
|
|
}
|
|
|
|
ret = drmModeAtomicAddProperty(pset, writeback_conn->id(),
|
|
writeback_conn->crtc_id_property().id(),
|
|
crtc_id);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to attach writeback");
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int DrmDisplayCompositor::CommitFrame(DrmDisplayComposition *display_comp,
|
|
bool test_only,
|
|
DrmConnector *writeback_conn,
|
|
DrmHwcBuffer *writeback_buffer) {
|
|
ATRACE_CALL();
|
|
|
|
int ret = 0;
|
|
|
|
std::vector<DrmHwcLayer> &layers = display_comp->layers();
|
|
std::vector<DrmCompositionPlane> &comp_planes = display_comp
|
|
->composition_planes();
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
uint64_t out_fences[drm->crtcs().size()];
|
|
|
|
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 (writeback_buffer != NULL) {
|
|
if (writeback_conn == NULL) {
|
|
ALOGE("Invalid arguments requested writeback without writeback conn");
|
|
return -EINVAL;
|
|
}
|
|
ret = SetupWritebackCommit(pset, crtc->id(), writeback_conn,
|
|
writeback_buffer);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to Setup Writeback Commit ret = %d", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
if (crtc->out_fence_ptr_property().id() != 0) {
|
|
ret = drmModeAtomicAddProperty(pset, crtc->id(),
|
|
crtc->out_fence_ptr_property().id(),
|
|
(uint64_t)&out_fences[crtc->pipe()]);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to add OUT_FENCE_PTR property to pset: %d", ret);
|
|
drmModeAtomicFree(pset);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (mode_.needs_modeset) {
|
|
ret = drmModeAtomicAddProperty(pset, crtc->id(),
|
|
crtc->active_property().id(), 1);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to add crtc active to pset\n");
|
|
drmModeAtomicFree(pset);
|
|
return ret;
|
|
}
|
|
|
|
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;
|
|
int fence_fd = -1;
|
|
hwc_rect_t display_frame;
|
|
hwc_frect_t source_crop;
|
|
uint64_t rotation = 0;
|
|
uint64_t alpha = 0xFFFF;
|
|
uint64_t blend;
|
|
|
|
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 (!layer.buffer) {
|
|
ALOGE("Expected a valid framebuffer for pset");
|
|
break;
|
|
}
|
|
fb_id = layer.buffer->fb_id;
|
|
fence_fd = layer.acquire_fence.get();
|
|
display_frame = layer.display_frame;
|
|
source_crop = layer.source_crop;
|
|
alpha = layer.alpha;
|
|
|
|
if (plane->blend_property().id()) {
|
|
switch (layer.blending) {
|
|
case DrmHwcBlending::kPreMult:
|
|
std::tie(blend, ret) = plane->blend_property().GetEnumValueWithName(
|
|
"Pre-multiplied");
|
|
break;
|
|
case DrmHwcBlending::kCoverage:
|
|
std::tie(blend, ret) = plane->blend_property().GetEnumValueWithName(
|
|
"Coverage");
|
|
break;
|
|
case DrmHwcBlending::kNone:
|
|
default:
|
|
std::tie(blend, ret) = plane->blend_property().GetEnumValueWithName(
|
|
"None");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (plane->zpos_property().id() &&
|
|
!plane->zpos_property().is_immutable()) {
|
|
uint64_t min_zpos = 0;
|
|
|
|
// Ignore ret and use min_zpos as 0 by default
|
|
std::tie(std::ignore, min_zpos) = plane->zpos_property().range_min();
|
|
|
|
ret = drmModeAtomicAddProperty(pset, plane->id(),
|
|
plane->zpos_property().id(),
|
|
source_layers.front() + min_zpos) < 0;
|
|
if (ret) {
|
|
ALOGE("Failed to add zpos property %d to plane %d",
|
|
plane->zpos_property().id(), plane->id());
|
|
break;
|
|
}
|
|
}
|
|
|
|
rotation = 0;
|
|
if (layer.transform & DrmHwcTransform::kFlipH)
|
|
rotation |= DRM_MODE_REFLECT_X;
|
|
if (layer.transform & DrmHwcTransform::kFlipV)
|
|
rotation |= DRM_MODE_REFLECT_Y;
|
|
if (layer.transform & DrmHwcTransform::kRotate90)
|
|
rotation |= DRM_MODE_ROTATE_90;
|
|
else if (layer.transform & DrmHwcTransform::kRotate180)
|
|
rotation |= DRM_MODE_ROTATE_180;
|
|
else if (layer.transform & DrmHwcTransform::kRotate270)
|
|
rotation |= DRM_MODE_ROTATE_270;
|
|
else
|
|
rotation |= DRM_MODE_ROTATE_0;
|
|
|
|
if (fence_fd >= 0) {
|
|
int prop_id = plane->in_fence_fd_property().id();
|
|
if (prop_id == 0) {
|
|
ALOGE("Failed to get IN_FENCE_FD property id");
|
|
break;
|
|
}
|
|
ret = drmModeAtomicAddProperty(pset, plane->id(), prop_id, fence_fd);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to add IN_FENCE_FD property to pset: %d", ret);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
if (plane->blend_property().id()) {
|
|
ret = drmModeAtomicAddProperty(pset, plane->id(),
|
|
plane->blend_property().id(), blend) < 0;
|
|
if (ret) {
|
|
ALOGE("Failed to add pixel blend mode property %d to plane %d",
|
|
plane->blend_property().id(), plane->id());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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)
|
|
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;
|
|
}
|
|
|
|
if (crtc->out_fence_ptr_property().id()) {
|
|
display_comp->set_out_fence((int)out_fences[crtc->pipe()]);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int DrmDisplayCompositor::ApplyDpms(DrmDisplayComposition *display_comp) {
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
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;
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
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() {
|
|
if (!active_composition_)
|
|
return;
|
|
|
|
if (DisablePlanes(active_composition_.get()))
|
|
return;
|
|
|
|
active_composition_.reset(NULL);
|
|
vsync_worker_.VSyncControl(false);
|
|
}
|
|
|
|
void DrmDisplayCompositor::ApplyFrame(
|
|
std::unique_ptr<DrmDisplayComposition> composition, int status,
|
|
bool writeback) {
|
|
AutoLock lock(&lock_, __func__);
|
|
if (lock.Lock())
|
|
return;
|
|
int ret = status;
|
|
|
|
if (!ret) {
|
|
if (writeback && !CountdownExpired()) {
|
|
ALOGE("Abort playing back scene");
|
|
return;
|
|
}
|
|
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_;
|
|
|
|
active_composition_.swap(composition);
|
|
|
|
flatten_countdown_ = FLATTEN_COUNTDOWN_INIT;
|
|
if (flattening_state_ != FlatteningState::kClientRequested) {
|
|
SetFlattening(FlatteningState::kNone);
|
|
} else {
|
|
SetFlattening(FlatteningState::kClientDone);
|
|
}
|
|
vsync_worker_.VSyncControl(!writeback);
|
|
}
|
|
|
|
int DrmDisplayCompositor::ApplyComposition(
|
|
std::unique_ptr<DrmDisplayComposition> composition) {
|
|
int ret = 0;
|
|
switch (composition->type()) {
|
|
case DRM_COMPOSITION_TYPE_FRAME:
|
|
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.
|
|
ret = CommitFrame(composition.get(), true);
|
|
if (ret) {
|
|
ALOGE("Commit test failed for display %d, FIXME", display_);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ApplyFrame(std::move(composition), ret);
|
|
break;
|
|
case DRM_COMPOSITION_TYPE_DPMS:
|
|
active_ = (composition->dpms_mode() == DRM_MODE_DPMS_ON);
|
|
ret = ApplyDpms(composition.get());
|
|
if (ret)
|
|
ALOGE("Failed to apply dpms for display %d", display_);
|
|
return ret;
|
|
case DRM_COMPOSITION_TYPE_MODESET:
|
|
mode_.mode = composition->display_mode();
|
|
if (mode_.blob_id)
|
|
resource_manager_->GetDrmDevice(display_)->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 ret;
|
|
}
|
|
mode_.needs_modeset = true;
|
|
return 0;
|
|
default:
|
|
ALOGE("Unknown composition type %d", composition->type());
|
|
return -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int DrmDisplayCompositor::TestComposition(DrmDisplayComposition *composition) {
|
|
return CommitFrame(composition, true);
|
|
}
|
|
|
|
// Flatten a scene on the display by using a writeback connector
|
|
// and returns the composition result as a DrmHwcLayer.
|
|
int DrmDisplayCompositor::FlattenOnDisplay(
|
|
std::unique_ptr<DrmDisplayComposition> &src, DrmConnector *writeback_conn,
|
|
DrmMode &src_mode, DrmHwcLayer *writeback_layer) {
|
|
int ret = 0;
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
ret = writeback_conn->UpdateModes();
|
|
if (ret) {
|
|
ALOGE("Failed to update modes %d", ret);
|
|
return ret;
|
|
}
|
|
for (const DrmMode &mode : writeback_conn->modes()) {
|
|
if (mode.h_display() == src_mode.h_display() &&
|
|
mode.v_display() == src_mode.v_display()) {
|
|
mode_.mode = 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 ret;
|
|
}
|
|
mode_.needs_modeset = true;
|
|
break;
|
|
}
|
|
}
|
|
if (mode_.blob_id <= 0) {
|
|
ALOGE("Failed to find similar mode");
|
|
return -EINVAL;
|
|
}
|
|
|
|
DrmCrtc *crtc = drm->GetCrtcForDisplay(display_);
|
|
if (!crtc) {
|
|
ALOGE("Failed to find crtc for display %d", display_);
|
|
return -EINVAL;
|
|
}
|
|
// TODO what happens if planes could go to both CRTCs, I don't think it's
|
|
// handled anywhere
|
|
std::vector<DrmPlane *> primary_planes;
|
|
std::vector<DrmPlane *> overlay_planes;
|
|
for (auto &plane : drm->planes()) {
|
|
if (!plane->GetCrtcSupported(*crtc))
|
|
continue;
|
|
if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
|
|
primary_planes.push_back(plane.get());
|
|
else if (plane->type() == DRM_PLANE_TYPE_OVERLAY)
|
|
overlay_planes.push_back(plane.get());
|
|
}
|
|
|
|
ret = src->Plan(&primary_planes, &overlay_planes);
|
|
if (ret) {
|
|
ALOGE("Failed to plan the composition ret = %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
// Disable the planes we're not using
|
|
for (auto i = primary_planes.begin(); i != primary_planes.end();) {
|
|
src->AddPlaneDisable(*i);
|
|
i = primary_planes.erase(i);
|
|
}
|
|
for (auto i = overlay_planes.begin(); i != overlay_planes.end();) {
|
|
src->AddPlaneDisable(*i);
|
|
i = overlay_planes.erase(i);
|
|
}
|
|
|
|
AutoLock lock(&lock_, __func__);
|
|
ret = lock.Lock();
|
|
if (ret)
|
|
return ret;
|
|
DrmFramebuffer *writeback_fb = &framebuffers_[framebuffer_index_];
|
|
framebuffer_index_ = (framebuffer_index_ + 1) % DRM_DISPLAY_BUFFERS;
|
|
if (!writeback_fb->Allocate(mode_.mode.h_display(), mode_.mode.v_display())) {
|
|
ALOGE("Failed to allocate writeback buffer");
|
|
return -ENOMEM;
|
|
}
|
|
DrmHwcBuffer *writeback_buffer = &writeback_layer->buffer;
|
|
writeback_layer->sf_handle = writeback_fb->buffer()->handle;
|
|
ret = writeback_layer->ImportBuffer(
|
|
resource_manager_->GetImporter(display_).get());
|
|
if (ret) {
|
|
ALOGE("Failed to import writeback buffer");
|
|
return ret;
|
|
}
|
|
|
|
ret = CommitFrame(src.get(), true, writeback_conn, writeback_buffer);
|
|
if (ret) {
|
|
ALOGE("Atomic check failed");
|
|
return ret;
|
|
}
|
|
ret = CommitFrame(src.get(), false, writeback_conn, writeback_buffer);
|
|
if (ret) {
|
|
ALOGE("Atomic commit failed");
|
|
return ret;
|
|
}
|
|
|
|
ret = sync_wait(writeback_fence_, kWaitWritebackFence);
|
|
writeback_layer->acquire_fence.Set(writeback_fence_);
|
|
writeback_fence_ = -1;
|
|
if (ret) {
|
|
ALOGE("Failed to wait on writeback fence");
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void DrmDisplayCompositor::SetFlattening(FlatteningState new_state) {
|
|
if (flattening_state_ != new_state) {
|
|
switch (flattening_state_) {
|
|
case FlatteningState::kClientDone:
|
|
case FlatteningState::kConcurrent:
|
|
case FlatteningState::kSerial:
|
|
++frames_flattened_;
|
|
break;
|
|
case FlatteningState::kClientRequested:
|
|
case FlatteningState::kNone:
|
|
case FlatteningState::kNotNeeded:
|
|
break;
|
|
}
|
|
}
|
|
flattening_state_ = new_state;
|
|
}
|
|
|
|
bool DrmDisplayCompositor::IsFlatteningNeeded() const {
|
|
return CountdownExpired() && active_composition_->layers().size() >= 2;
|
|
}
|
|
|
|
int DrmDisplayCompositor::FlattenOnClient() {
|
|
const std::lock_guard<std::mutex> lock(refresh_callback_lock);
|
|
|
|
if (refresh_callback_hook_ && refresh_callback_data_) {
|
|
{
|
|
AutoLock lock(&lock_, __func__);
|
|
if (!IsFlatteningNeeded()) {
|
|
if (flattening_state_ != FlatteningState::kClientDone) {
|
|
ALOGV("Flattening is not needed");
|
|
SetFlattening(FlatteningState::kNotNeeded);
|
|
}
|
|
return -EALREADY;
|
|
}
|
|
}
|
|
|
|
ALOGV(
|
|
"No writeback connector available, "
|
|
"falling back to client composition");
|
|
SetFlattening(FlatteningState::kClientRequested);
|
|
refresh_callback_hook_(refresh_callback_data_, display_);
|
|
return 0;
|
|
} else {
|
|
ALOGV("No writeback connector available");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
// Flatten a scene by enabling the writeback connector attached
|
|
// to the same CRTC as the one driving the display.
|
|
int DrmDisplayCompositor::FlattenSerial(DrmConnector *writeback_conn) {
|
|
ALOGV("FlattenSerial by enabling writeback connector to the same crtc");
|
|
// Flattened composition with only one layer that is obtained
|
|
// using the writeback connector
|
|
std::unique_ptr<DrmDisplayComposition>
|
|
writeback_comp = CreateInitializedComposition();
|
|
if (!writeback_comp)
|
|
return -EINVAL;
|
|
|
|
AutoLock lock(&lock_, __func__);
|
|
int ret = lock.Lock();
|
|
if (ret)
|
|
return ret;
|
|
if (!IsFlatteningNeeded()) {
|
|
ALOGV("Flattening is not needed");
|
|
SetFlattening(FlatteningState::kNotNeeded);
|
|
return -EALREADY;
|
|
}
|
|
|
|
DrmFramebuffer *writeback_fb = &framebuffers_[framebuffer_index_];
|
|
framebuffer_index_ = (framebuffer_index_ + 1) % DRM_DISPLAY_BUFFERS;
|
|
lock.Unlock();
|
|
|
|
if (!writeback_fb->Allocate(mode_.mode.h_display(), mode_.mode.v_display())) {
|
|
ALOGE("Failed to allocate writeback buffer");
|
|
return -ENOMEM;
|
|
}
|
|
writeback_comp->layers().emplace_back();
|
|
|
|
DrmHwcLayer &writeback_layer = writeback_comp->layers().back();
|
|
writeback_layer.sf_handle = writeback_fb->buffer()->handle;
|
|
writeback_layer.source_crop = {0, 0, (float)mode_.mode.h_display(),
|
|
(float)mode_.mode.v_display()};
|
|
writeback_layer.display_frame = {0, 0, (int)mode_.mode.h_display(),
|
|
(int)mode_.mode.v_display()};
|
|
ret = writeback_layer.ImportBuffer(
|
|
resource_manager_->GetImporter(display_).get());
|
|
if (ret || writeback_comp->layers().size() != 1) {
|
|
ALOGE("Failed to import writeback buffer");
|
|
return ret;
|
|
}
|
|
|
|
drmModeAtomicReqPtr pset = drmModeAtomicAlloc();
|
|
if (!pset) {
|
|
ALOGE("Failed to allocate property set");
|
|
return -ENOMEM;
|
|
}
|
|
DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
|
|
DrmCrtc *crtc = drm->GetCrtcForDisplay(display_);
|
|
if (!crtc) {
|
|
ALOGE("Failed to find crtc for display %d", display_);
|
|
return -EINVAL;
|
|
}
|
|
ret = SetupWritebackCommit(pset, crtc->id(), writeback_conn,
|
|
&writeback_layer.buffer);
|
|
if (ret < 0) {
|
|
ALOGE("Failed to Setup Writeback Commit");
|
|
return ret;
|
|
}
|
|
ret = drmModeAtomicCommit(drm->fd(), pset, 0, drm);
|
|
if (ret) {
|
|
ALOGE("Failed to enable writeback %d", ret);
|
|
return ret;
|
|
}
|
|
ret = sync_wait(writeback_fence_, kWaitWritebackFence);
|
|
writeback_layer.acquire_fence.Set(writeback_fence_);
|
|
writeback_fence_ = -1;
|
|
if (ret) {
|
|
ALOGE("Failed to wait on writeback fence");
|
|
return ret;
|
|
}
|
|
|
|
DrmCompositionPlane squashed_comp(DrmCompositionPlane::Type::kLayer, NULL,
|
|
crtc);
|
|
for (auto &drmplane : drm->planes()) {
|
|
if (!drmplane->GetCrtcSupported(*crtc))
|
|
continue;
|
|
if (!squashed_comp.plane() && drmplane->type() == DRM_PLANE_TYPE_PRIMARY)
|
|
squashed_comp.set_plane(drmplane.get());
|
|
else
|
|
writeback_comp->AddPlaneDisable(drmplane.get());
|
|
}
|
|
squashed_comp.source_layers().push_back(0);
|
|
ret = writeback_comp->AddPlaneComposition(std::move(squashed_comp));
|
|
if (ret) {
|
|
ALOGE("Failed to add flatten scene");
|
|
return ret;
|
|
}
|
|
|
|
ApplyFrame(std::move(writeback_comp), 0, true);
|
|
return 0;
|
|
}
|
|
|
|
// Flatten a scene by using a crtc which works concurrent with
|
|
// the one driving the display.
|
|
int DrmDisplayCompositor::FlattenConcurrent(DrmConnector *writeback_conn) {
|
|
ALOGV("FlattenConcurrent by using an unused crtc/display");
|
|
int ret = 0;
|
|
DrmDisplayCompositor drmdisplaycompositor;
|
|
ret = drmdisplaycompositor.Init(resource_manager_, writeback_conn->display());
|
|
if (ret) {
|
|
ALOGE("Failed to init drmdisplaycompositor = %d", ret);
|
|
return ret;
|
|
}
|
|
// Copy of the active_composition, needed because of two things:
|
|
// 1) Not to hold the lock for the whole time we are accessing
|
|
// active_composition
|
|
// 2) It will be committed on a crtc that might not be on the same
|
|
// dri node, so buffers need to be imported on the right node.
|
|
std::unique_ptr<DrmDisplayComposition>
|
|
copy_comp = drmdisplaycompositor.CreateInitializedComposition();
|
|
|
|
// Writeback composition that will be committed to the display.
|
|
std::unique_ptr<DrmDisplayComposition>
|
|
writeback_comp = CreateInitializedComposition();
|
|
|
|
if (!copy_comp || !writeback_comp)
|
|
return -EINVAL;
|
|
AutoLock lock(&lock_, __func__);
|
|
ret = lock.Lock();
|
|
if (ret)
|
|
return ret;
|
|
if (!IsFlatteningNeeded()) {
|
|
ALOGV("Flattening is not needed");
|
|
SetFlattening(FlatteningState::kNotNeeded);
|
|
return -EALREADY;
|
|
}
|
|
DrmCrtc *crtc = active_composition_->crtc();
|
|
|
|
std::vector<DrmHwcLayer> copy_layers;
|
|
for (DrmHwcLayer &src_layer : active_composition_->layers()) {
|
|
DrmHwcLayer copy;
|
|
ret = copy.InitFromDrmHwcLayer(&src_layer,
|
|
resource_manager_
|
|
->GetImporter(writeback_conn->display())
|
|
.get());
|
|
if (ret) {
|
|
ALOGE("Failed to import buffer ret = %d", ret);
|
|
return -EINVAL;
|
|
}
|
|
copy_layers.emplace_back(std::move(copy));
|
|
}
|
|
ret = copy_comp->SetLayers(copy_layers.data(), copy_layers.size(), true);
|
|
if (ret) {
|
|
ALOGE("Failed to set copy_comp layers");
|
|
return ret;
|
|
}
|
|
|
|
lock.Unlock();
|
|
DrmHwcLayer writeback_layer;
|
|
ret = drmdisplaycompositor.FlattenOnDisplay(copy_comp, writeback_conn,
|
|
mode_.mode, &writeback_layer);
|
|
if (ret) {
|
|
ALOGE("Failed to flatten on display ret = %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
DrmCompositionPlane squashed_comp(DrmCompositionPlane::Type::kLayer, NULL,
|
|
crtc);
|
|
for (auto &drmplane : resource_manager_->GetDrmDevice(display_)->planes()) {
|
|
if (!drmplane->GetCrtcSupported(*crtc))
|
|
continue;
|
|
if (drmplane->type() == DRM_PLANE_TYPE_PRIMARY)
|
|
squashed_comp.set_plane(drmplane.get());
|
|
else
|
|
writeback_comp->AddPlaneDisable(drmplane.get());
|
|
}
|
|
writeback_comp->layers().emplace_back();
|
|
DrmHwcLayer &next_layer = writeback_comp->layers().back();
|
|
next_layer.sf_handle = writeback_layer.get_usable_handle();
|
|
next_layer.blending = DrmHwcBlending::kPreMult;
|
|
next_layer.source_crop = {0, 0, (float)mode_.mode.h_display(),
|
|
(float)mode_.mode.v_display()};
|
|
next_layer.display_frame = {0, 0, (int)mode_.mode.h_display(),
|
|
(int)mode_.mode.v_display()};
|
|
ret = next_layer.ImportBuffer(resource_manager_->GetImporter(display_).get());
|
|
if (ret) {
|
|
ALOGE("Failed to import framebuffer for display %d", ret);
|
|
return ret;
|
|
}
|
|
squashed_comp.source_layers().push_back(0);
|
|
ret = writeback_comp->AddPlaneComposition(std::move(squashed_comp));
|
|
if (ret) {
|
|
ALOGE("Failed to add plane composition %d", ret);
|
|
return ret;
|
|
}
|
|
ApplyFrame(std::move(writeback_comp), 0, true);
|
|
return ret;
|
|
}
|
|
|
|
int DrmDisplayCompositor::FlattenActiveComposition() {
|
|
DrmConnector *writeback_conn = resource_manager_->AvailableWritebackConnector(
|
|
display_);
|
|
if (!active_composition_ || !writeback_conn) {
|
|
// Try to fallback to GPU composition on client, since it is more
|
|
// power-efficient than composition on device side
|
|
return FlattenOnClient();
|
|
}
|
|
|
|
if (writeback_conn->display() != display_) {
|
|
SetFlattening(FlatteningState::kConcurrent);
|
|
return FlattenConcurrent(writeback_conn);
|
|
} else {
|
|
SetFlattening(FlatteningState::kSerial);
|
|
return FlattenSerial(writeback_conn);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool DrmDisplayCompositor::CountdownExpired() const {
|
|
return flatten_countdown_ <= 0;
|
|
}
|
|
|
|
void DrmDisplayCompositor::Vsync(int display, int64_t timestamp) {
|
|
AutoLock lock(&lock_, __func__);
|
|
if (lock.Lock())
|
|
return;
|
|
flatten_countdown_--;
|
|
if (!CountdownExpired())
|
|
return;
|
|
lock.Unlock();
|
|
int ret = FlattenActiveComposition();
|
|
ALOGV("scene flattening triggered for display %d at timestamp %" PRIu64
|
|
" result = %d \n",
|
|
display, timestamp, ret);
|
|
}
|
|
|
|
void DrmDisplayCompositor::Dump(std::ostringstream *out) const {
|
|
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);
|
|
if (ret) {
|
|
pthread_mutex_unlock(&lock_);
|
|
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;
|
|
|
|
pthread_mutex_unlock(&lock_);
|
|
}
|
|
} // namespace android
|