* [PATCH hwc v3 6/6] drm_hwcomposer: Remove threading
2017-09-28 16:40 [PATCH hwc v3 0/6] Implement fencing Robert Foss
` (4 preceding siblings ...)
2017-09-28 16:40 ` [PATCH hwc v3 5/6] drm_hwcomposer: Add out-fence support Robert Foss
@ 2017-09-28 16:40 ` Robert Foss
2017-10-02 8:42 ` [PATCH hwc v3 0/6] Implement fencing Robert Foss
6 siblings, 0 replies; 8+ messages in thread
From: Robert Foss @ 2017-09-28 16:40 UTC (permalink / raw)
To: dri-devel, robh, salidoa, seanpaul, zachr; +Cc: Robert Foss
From: Sean Paul <seanpaul@chromium.org>
Since HWC2 doesn't require the use of threads to implement correct
synchronization, remove some of these threads.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
---
Changes since v2:
Emil Velikov:
- Patch to be last in the series
Android.mk | 3 -
drmcomposition.cpp | 166 ----------------------------------------
drmcomposition.h | 79 -------------------
drmcompositor.cpp | 106 --------------------------
drmcompositor.h | 56 --------------
drmcompositorworker.h | 41 ----------
drmdisplaycomposition.cpp | 1 +
drmdisplaycomposition.h | 10 +++
drmdisplaycompositor.cpp | 189 ++++------------------------------------------
drmdisplaycompositor.h | 36 +--------
drmeventlistener.cpp | 3 +
drmhwctwo.cpp | 6 +-
drmresources.cpp | 54 +------------
drmresources.h | 5 --
glworker.cpp | 52 +++++++++++--
glworker.h | 10 +++
16 files changed, 93 insertions(+), 724 deletions(-)
delete mode 100644 drmcomposition.cpp
delete mode 100644 drmcomposition.h
delete mode 100644 drmcompositor.cpp
delete mode 100644 drmcompositor.h
delete mode 100644 drmcompositorworker.h
diff --git a/Android.mk b/Android.mk
index aa95b44..5d16c2f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -57,9 +57,6 @@ LOCAL_C_INCLUDES := \
LOCAL_SRC_FILES := \
autolock.cpp \
drmresources.cpp \
- drmcomposition.cpp \
- drmcompositor.cpp \
- drmcompositorworker.cpp \
drmconnector.cpp \
drmcrtc.cpp \
drmdisplaycomposition.cpp \
diff --git a/drmcomposition.cpp b/drmcomposition.cpp
deleted file mode 100644
index 1aaf920..0000000
--- a/drmcomposition.cpp
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "hwc-drm-composition"
-
-#include "drmcomposition.h"
-#include "drmcrtc.h"
-#include "drmplane.h"
-#include "drmresources.h"
-#include "platform.h"
-
-#include <stdlib.h>
-
-#include <cutils/log.h>
-#include <cutils/properties.h>
-#include <sw_sync.h>
-#include <sync/sync.h>
-
-namespace android {
-
-DrmComposition::DrmComposition(DrmResources *drm, Importer *importer,
- Planner *planner)
- : drm_(drm), importer_(importer), planner_(planner) {
- char use_overlay_planes_prop[PROPERTY_VALUE_MAX];
- property_get("hwc.drm.use_overlay_planes", use_overlay_planes_prop, "1");
- bool use_overlay_planes = atoi(use_overlay_planes_prop);
-
- for (auto &plane : drm->planes()) {
- if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
- primary_planes_.push_back(plane.get());
- else if (use_overlay_planes && plane->type() == DRM_PLANE_TYPE_OVERLAY)
- overlay_planes_.push_back(plane.get());
- }
-}
-
-int DrmComposition::Init(uint64_t frame_no) {
- for (auto &conn : drm_->connectors()) {
- int display = conn->display();
- composition_map_[display].reset(new DrmDisplayComposition());
- if (!composition_map_[display]) {
- ALOGE("Failed to allocate new display composition\n");
- return -ENOMEM;
- }
-
- // If the display hasn't been modeset yet, this will be NULL
- DrmCrtc *crtc = drm_->GetCrtcForDisplay(display);
-
- int ret = composition_map_[display]->Init(drm_, crtc, importer_, planner_,
- frame_no);
- if (ret) {
- ALOGE("Failed to init display composition for %d", display);
- return ret;
- }
- }
- return 0;
-}
-
-int DrmComposition::SetLayers(size_t num_displays,
- DrmCompositionDisplayLayersMap *maps) {
- int ret = 0;
- for (size_t display_index = 0; display_index < num_displays;
- display_index++) {
- DrmCompositionDisplayLayersMap &map = maps[display_index];
- int display = map.display;
-
- if (!drm_->GetConnectorForDisplay(display)) {
- ALOGE("Invalid display given to SetLayers %d", display);
- continue;
- }
-
- ret = composition_map_[display]->SetLayers(
- map.layers.data(), map.layers.size(), map.geometry_changed);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-int DrmComposition::SetDpmsMode(int display, uint32_t dpms_mode) {
- return composition_map_[display]->SetDpmsMode(dpms_mode);
-}
-
-int DrmComposition::SetDisplayMode(int display, const DrmMode &display_mode) {
- return composition_map_[display]->SetDisplayMode(display_mode);
-}
-
-std::unique_ptr<DrmDisplayComposition> DrmComposition::TakeDisplayComposition(
- int display) {
- return std::move(composition_map_[display]);
-}
-
-int DrmComposition::Plan(std::map<int, DrmDisplayCompositor> &compositor_map) {
- int ret = 0;
- for (auto &conn : drm_->connectors()) {
- int display = conn->display();
- DrmDisplayComposition *comp = GetDisplayComposition(display);
- ret = comp->Plan(compositor_map[display].squash_state(), &primary_planes_,
- &overlay_planes_);
- if (ret) {
- ALOGE("Failed to plan composition for dislay %d", display);
- return ret;
- }
- }
-
- return 0;
-}
-
-int DrmComposition::DisableUnusedPlanes() {
- for (auto &conn : drm_->connectors()) {
- int display = conn->display();
- DrmDisplayComposition *comp = GetDisplayComposition(display);
-
- /*
- * Leave empty compositions alone
- * TODO: re-visit this and potentially disable leftover planes after the
- * active compositions have gobbled up all they can
- */
- if (comp->type() == DRM_COMPOSITION_TYPE_EMPTY ||
- comp->type() == DRM_COMPOSITION_TYPE_MODESET)
- continue;
-
- DrmCrtc *crtc = drm_->GetCrtcForDisplay(display);
- if (!crtc) {
- ALOGE("Failed to find crtc for display %d", display);
- continue;
- }
-
- for (std::vector<DrmPlane *>::iterator iter = primary_planes_.begin();
- iter != primary_planes_.end(); ++iter) {
- if ((*iter)->GetCrtcSupported(*crtc)) {
- comp->AddPlaneDisable(*iter);
- primary_planes_.erase(iter);
- break;
- }
- }
- for (std::vector<DrmPlane *>::iterator iter = overlay_planes_.begin();
- iter != overlay_planes_.end();) {
- if ((*iter)->GetCrtcSupported(*crtc)) {
- comp->AddPlaneDisable(*iter);
- iter = overlay_planes_.erase(iter);
- } else {
- iter++;
- }
- }
- }
- return 0;
-}
-
-DrmDisplayComposition *DrmComposition::GetDisplayComposition(int display) {
- return composition_map_[display].get();
-}
-}
diff --git a/drmcomposition.h b/drmcomposition.h
deleted file mode 100644
index eae8cde..0000000
--- a/drmcomposition.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_DRM_COMPOSITION_H_
-#define ANDROID_DRM_COMPOSITION_H_
-
-#include "drmhwcomposer.h"
-#include "drmdisplaycomposition.h"
-#include "drmplane.h"
-#include "platform.h"
-
-#include <map>
-#include <vector>
-
-#include <hardware/hardware.h>
-#include <hardware/hwcomposer.h>
-
-namespace android {
-
-class DrmDisplayCompositor;
-
-struct DrmCompositionDisplayLayersMap {
- int display;
- bool geometry_changed = true;
- std::vector<DrmHwcLayer> layers;
-
- DrmCompositionDisplayLayersMap() = default;
- DrmCompositionDisplayLayersMap(DrmCompositionDisplayLayersMap &&rhs) =
- default;
-};
-
-class DrmComposition {
- public:
- DrmComposition(DrmResources *drm, Importer *importer, Planner *planner);
-
- int Init(uint64_t frame_no);
-
- int SetLayers(size_t num_displays, DrmCompositionDisplayLayersMap *maps);
- int SetDpmsMode(int display, uint32_t dpms_mode);
- int SetDisplayMode(int display, const DrmMode &display_mode);
-
- std::unique_ptr<DrmDisplayComposition> TakeDisplayComposition(int display);
- DrmDisplayComposition *GetDisplayComposition(int display);
-
- int Plan(std::map<int, DrmDisplayCompositor> &compositor_map);
- int DisableUnusedPlanes();
-
- private:
- DrmComposition(const DrmComposition &) = delete;
-
- DrmResources *drm_;
- Importer *importer_;
- Planner *planner_;
-
- std::vector<DrmPlane *> primary_planes_;
- std::vector<DrmPlane *> overlay_planes_;
-
- /*
- * This _must_ be read-only after it's passed to QueueComposition. Otherwise
- * locking is required to maintain consistency across the compositor threads.
- */
- std::map<int, std::unique_ptr<DrmDisplayComposition>> composition_map_;
-};
-}
-
-#endif // ANDROID_DRM_COMPOSITION_H_
diff --git a/drmcompositor.cpp b/drmcompositor.cpp
deleted file mode 100644
index c1f3ed8..0000000
--- a/drmcompositor.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "hwc-drm-compositor"
-
-#include "drmcompositor.h"
-#include "drmdisplaycompositor.h"
-#include "drmresources.h"
-#include "platform.h"
-
-#include <sstream>
-#include <stdlib.h>
-
-#include <cutils/log.h>
-
-namespace android {
-
-DrmCompositor::DrmCompositor(DrmResources *drm) : drm_(drm), frame_no_(0) {
-}
-
-DrmCompositor::~DrmCompositor() {
-}
-
-int DrmCompositor::Init() {
- for (auto &conn : drm_->connectors()) {
- int display = conn->display();
- int ret = compositor_map_[display].Init(drm_, display);
- if (ret) {
- ALOGE("Failed to initialize display compositor for %d", display);
- return ret;
- }
- }
- planner_ = Planner::CreateInstance(drm_);
- if (!planner_) {
- ALOGE("Failed to create planner instance for composition");
- return -ENOMEM;
- }
-
- return 0;
-}
-
-std::unique_ptr<DrmComposition> DrmCompositor::CreateComposition(
- Importer *importer) {
- std::unique_ptr<DrmComposition> composition(
- new DrmComposition(drm_, importer, planner_.get()));
- int ret = composition->Init(++frame_no_);
- if (ret) {
- ALOGE("Failed to initialize drm composition %d", ret);
- return nullptr;
- }
- return composition;
-}
-
-int DrmCompositor::QueueComposition(
- std::unique_ptr<DrmComposition> composition) {
- int ret;
-
- ret = composition->Plan(compositor_map_);
- if (ret)
- return ret;
-
- ret = composition->DisableUnusedPlanes();
- if (ret)
- return ret;
-
- for (auto &conn : drm_->connectors()) {
- int display = conn->display();
- int ret = compositor_map_[display].QueueComposition(
- composition->TakeDisplayComposition(display));
- if (ret) {
- ALOGE("Failed to queue composition for display %d (%d)", display, ret);
- return ret;
- }
- }
-
- return 0;
-}
-
-int DrmCompositor::Composite() {
- /*
- * This shouldn't be called, we should be calling Composite() on the display
- * compositors directly.
- */
- ALOGE("Calling base drm compositor Composite() function");
- return -EINVAL;
-}
-
-void DrmCompositor::Dump(std::ostringstream *out) const {
- *out << "DrmCompositor stats:\n";
- for (auto &conn : drm_->connectors())
- compositor_map_[conn->display()].Dump(out);
-}
-}
diff --git a/drmcompositor.h b/drmcompositor.h
deleted file mode 100644
index 19271b5..0000000
--- a/drmcompositor.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_DRM_COMPOSITOR_H_
-#define ANDROID_DRM_COMPOSITOR_H_
-
-#include "drmcomposition.h"
-#include "drmdisplaycompositor.h"
-#include "platform.h"
-
-#include <map>
-#include <memory>
-#include <sstream>
-
-namespace android {
-
-class DrmCompositor {
- public:
- DrmCompositor(DrmResources *drm);
- ~DrmCompositor();
-
- int Init();
-
- std::unique_ptr<DrmComposition> CreateComposition(Importer *importer);
-
- int QueueComposition(std::unique_ptr<DrmComposition> composition);
- int Composite();
- void Dump(std::ostringstream *out) const;
-
- private:
- DrmCompositor(const DrmCompositor &) = delete;
-
- DrmResources *drm_;
- std::unique_ptr<Planner> planner_;
-
- uint64_t frame_no_;
-
- // mutable for Dump() propagation
- mutable std::map<int, DrmDisplayCompositor> compositor_map_;
-};
-}
-
-#endif // ANDROID_DRM_COMPOSITOR_H_
diff --git a/drmcompositorworker.h b/drmcompositorworker.h
deleted file mode 100644
index 731bc65..0000000
--- a/drmcompositorworker.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_DRM_COMPOSITOR_WORKER_H_
-#define ANDROID_DRM_COMPOSITOR_WORKER_H_
-
-#include "worker.h"
-
-namespace android {
-
-class DrmDisplayCompositor;
-
-class DrmCompositorWorker : public Worker {
- public:
- DrmCompositorWorker(DrmDisplayCompositor *compositor);
- ~DrmCompositorWorker() override;
-
- int Init();
-
- protected:
- void Routine() override;
-
- DrmDisplayCompositor *compositor_;
- bool did_squash_all_ = false;
-};
-}
-
-#endif
diff --git a/drmdisplaycomposition.cpp b/drmdisplaycomposition.cpp
index 0f8084b..66e67a4 100644
--- a/drmdisplaycomposition.cpp
+++ b/drmdisplaycomposition.cpp
@@ -17,6 +17,7 @@
#define LOG_TAG "hwc-drm-display-composition"
#include "drmdisplaycomposition.h"
+#include "drmdisplaycompositor.h"
#include "drmcrtc.h"
#include "drmplane.h"
#include "drmresources.h"
diff --git a/drmdisplaycomposition.h b/drmdisplaycomposition.h
index 470bf7e..9183925 100644
--- a/drmdisplaycomposition.h
+++ b/drmdisplaycomposition.h
@@ -42,6 +42,16 @@ enum DrmCompositionType {
DRM_COMPOSITION_TYPE_MODESET,
};
+struct DrmCompositionDisplayLayersMap {
+ int display;
+ bool geometry_changed = true;
+ std::vector<DrmHwcLayer> layers;
+
+ DrmCompositionDisplayLayersMap() = default;
+ DrmCompositionDisplayLayersMap(DrmCompositionDisplayLayersMap &&rhs) =
+ default;
+};
+
struct DrmCompositionRegion {
DrmHwcRect<int> frame;
std::vector<size_t> source_layers;
diff --git a/drmdisplaycompositor.cpp b/drmdisplaycompositor.cpp
index 8936d08..a07d358 100644
--- a/drmdisplaycompositor.cpp
+++ b/drmdisplaycompositor.cpp
@@ -37,8 +37,6 @@
#include "drmresources.h"
#include "glworker.h"
-#define DRM_DISPLAY_COMPOSITOR_MAX_QUEUE_DEPTH 2
-
namespace android {
void SquashState::Init(DrmHwcLayer *layers, size_t num_layers) {
@@ -176,58 +174,9 @@ static bool UsesSquash(const std::vector<DrmCompositionPlane> &comp_planes) {
});
}
-DrmDisplayCompositor::FrameWorker::FrameWorker(DrmDisplayCompositor *compositor)
- : Worker("frame-worker", HAL_PRIORITY_URGENT_DISPLAY),
- compositor_(compositor) {
-}
-
-DrmDisplayCompositor::FrameWorker::~FrameWorker() {
-}
-
-int DrmDisplayCompositor::FrameWorker::Init() {
- return InitWorker();
-}
-
-void DrmDisplayCompositor::FrameWorker::QueueFrame(
- std::unique_ptr<DrmDisplayComposition> composition, int status) {
- Lock();
- FrameState frame;
- frame.composition = std::move(composition);
- frame.status = status;
- frame_queue_.push(std::move(frame));
- Unlock();
- Signal();
-}
-
-void DrmDisplayCompositor::FrameWorker::Routine() {
- int wait_ret = 0;
-
- Lock();
- if (frame_queue_.empty()) {
- wait_ret = WaitForSignalOrExitLocked();
- }
-
- FrameState frame;
- if (!frame_queue_.empty()) {
- frame = std::move(frame_queue_.front());
- frame_queue_.pop();
- }
- Unlock();
-
- if (wait_ret == -EINTR) {
- return;
- } else if (wait_ret) {
- ALOGE("Failed to wait for signal, %d", wait_ret);
- return;
- }
- compositor_->ApplyFrame(std::move(frame.composition), frame.status);
-}
-
DrmDisplayCompositor::DrmDisplayCompositor()
: drm_(NULL),
display_(-1),
- worker_(this),
- frame_worker_(this),
initialized_(false),
active_(false),
use_hw_overlays_(true),
@@ -245,9 +194,6 @@ DrmDisplayCompositor::~DrmDisplayCompositor() {
if (!initialized_)
return;
- worker_.Exit();
- frame_worker_.Exit();
-
int ret = pthread_mutex_lock(&lock_);
if (ret)
ALOGE("Failed to acquire compositor lock %d", ret);
@@ -257,10 +203,6 @@ DrmDisplayCompositor::~DrmDisplayCompositor() {
if (mode_.old_blob_id)
drm_->DestroyPropertyBlob(mode_.old_blob_id);
- while (!composite_queue_.empty()) {
- composite_queue_.front().reset();
- composite_queue_.pop();
- }
active_composition_.reset();
ret = pthread_mutex_unlock(&lock_);
@@ -279,18 +221,6 @@ int DrmDisplayCompositor::Init(DrmResources *drm, int display) {
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;
- }
- ret = frame_worker_.Init();
- if (ret) {
- pthread_mutex_destroy(&lock_);
- ALOGE("Failed to initialize frame worker %d\n", ret);
- return ret;
- }
initialized_ = true;
return 0;
@@ -301,55 +231,6 @@ std::unique_ptr<DrmDisplayComposition> DrmDisplayCompositor::CreateComposition()
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;
- }
-
- int ret = pthread_mutex_lock(&lock_);
- if (ret) {
- ALOGE("Failed to acquire compositor lock %d", ret);
- return ret;
- }
-
- // Block the queue if it gets too large. Otherwise, SurfaceFlinger will start
- // to eat our buffer handles when we get about 1 second behind.
- while (composite_queue_.size() >= DRM_DISPLAY_COMPOSITOR_MAX_QUEUE_DEPTH) {
- pthread_mutex_unlock(&lock_);
- sched_yield();
- pthread_mutex_lock(&lock_);
- }
-
- 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;
-}
-
std::tuple<uint32_t, uint32_t, int>
DrmDisplayCompositor::GetActiveModeResolution() {
DrmConnector *connector = drm_->GetConnectorForDisplay(display_);
@@ -514,6 +395,15 @@ int DrmDisplayCompositor::PrepareFrame(DrmDisplayComposition *display_comp) {
std::vector<DrmCompositionRegion> &pre_comp_regions =
display_comp->pre_comp_regions();
+ if (!pre_compositor_) {
+ pre_compositor_.reset(new GLWorkerCompositor());
+ int ret = pre_compositor_->Init();
+ if (ret) {
+ ALOGE("Failed to initialize OpenGL compositor %d", ret);
+ return ret;
+ }
+ }
+
int squash_layer_index = -1;
if (squash_regions.size() > 0) {
squash_framebuffer_index_ = (squash_framebuffer_index_ + 1) % 2;
@@ -918,41 +808,9 @@ void DrmDisplayCompositor::ApplyFrame(
ALOGE("Failed to release lock for active_composition swap");
}
-int DrmDisplayCompositor::Composite() {
- 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 ret;
- }
- }
-
- 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;
- }
-
+int DrmDisplayCompositor::ApplyComposition(
+ std::unique_ptr<DrmDisplayComposition> composition) {
+ int ret = 0;
switch (composition->type()) {
case DRM_COMPOSITION_TYPE_FRAME:
ret = PrepareFrame(composition.get());
@@ -971,7 +829,7 @@ int DrmDisplayCompositor::Composite() {
}
// 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
+ // frame. So squash all layers into a single composition and apply that
// instead.
if (!use_hw_overlays_) {
std::unique_ptr<DrmDisplayComposition> squashed = CreateComposition();
@@ -987,9 +845,10 @@ int DrmDisplayCompositor::Composite() {
return ret;
}
}
- frame_worker_.QueueFrame(std::move(composition), 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_);
@@ -1013,24 +872,6 @@ int DrmDisplayCompositor::Composite() {
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;
-}
-
int DrmDisplayCompositor::SquashAll() {
AutoLock lock(&lock_, "compositor");
int ret = lock.Lock();
diff --git a/drmdisplaycompositor.h b/drmdisplaycompositor.h
index 9487cac..f1965fb 100644
--- a/drmdisplaycompositor.h
+++ b/drmdisplaycompositor.h
@@ -18,14 +18,12 @@
#define ANDROID_DRM_DISPLAY_COMPOSITOR_H_
#include "drmhwcomposer.h"
-#include "drmcomposition.h"
-#include "drmcompositorworker.h"
+#include "drmdisplaycomposition.h"
#include "drmframebuffer.h"
#include "separate_rects.h"
#include <pthread.h>
#include <memory>
-#include <queue>
#include <sstream>
#include <tuple>
@@ -89,42 +87,18 @@ class DrmDisplayCompositor {
int Init(DrmResources *drm, int display);
std::unique_ptr<DrmDisplayComposition> CreateComposition() const;
- int QueueComposition(std::unique_ptr<DrmDisplayComposition> composition);
+ int ApplyComposition(std::unique_ptr<DrmDisplayComposition> composition);
int Composite();
int SquashAll();
void Dump(std::ostringstream *out) const;
std::tuple<uint32_t, uint32_t, int> GetActiveModeResolution();
- bool HaveQueuedComposites() const;
-
SquashState *squash_state() {
return &squash_state_;
}
private:
- struct FrameState {
- std::unique_ptr<DrmDisplayComposition> composition;
- int status = 0;
- };
-
- class FrameWorker : public Worker {
- public:
- FrameWorker(DrmDisplayCompositor *compositor);
- ~FrameWorker() override;
-
- int Init();
- void QueueFrame(std::unique_ptr<DrmDisplayComposition> composition,
- int status);
-
- protected:
- void Routine() override;
-
- private:
- DrmDisplayCompositor *compositor_;
- std::queue<FrameState> frame_queue_;
- };
-
struct ModeState {
bool needs_modeset = false;
DrmMode mode;
@@ -158,10 +132,6 @@ class DrmDisplayCompositor {
DrmResources *drm_;
int display_;
- DrmCompositorWorker worker_;
- FrameWorker frame_worker_;
-
- std::queue<std::unique_ptr<DrmDisplayComposition>> composite_queue_;
std::unique_ptr<DrmDisplayComposition> active_composition_;
bool initialized_;
@@ -178,7 +148,7 @@ class DrmDisplayCompositor {
int squash_framebuffer_index_;
DrmFramebuffer squash_framebuffers_[2];
- // mutable since we need to acquire in HaveQueuedComposites
+ // mutable since we need to acquire in Dump()
mutable pthread_mutex_t lock_;
// State tracking progress since our last Dump(). These are mutable since
diff --git a/drmeventlistener.cpp b/drmeventlistener.cpp
index 0514aa6..984d1dd 100644
--- a/drmeventlistener.cpp
+++ b/drmeventlistener.cpp
@@ -20,10 +20,13 @@
#include "drmresources.h"
#include <assert.h>
+#include <errno.h>
#include <linux/netlink.h>
#include <sys/socket.h>
#include <cutils/log.h>
+#include <hardware/hardware.h>
+#include <hardware/hwcomposer.h>
#include <xf86drm.h>
namespace android {
diff --git a/drmhwctwo.cpp b/drmhwctwo.cpp
index 00bedd0..89399bf 100644
--- a/drmhwctwo.cpp
+++ b/drmhwctwo.cpp
@@ -559,7 +559,7 @@ HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *retire_fence) {
AddFenceToRetireFence(composition->take_out_fence());
- ret = compositor_.QueueComposition(std::move(composition));
+ ret = compositor_.ApplyComposition(std::move(composition));
if (ret) {
ALOGE("Failed to apply the frame composition ret=%d", ret);
return HWC2::Error::BadParameter;
@@ -588,7 +588,7 @@ HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
compositor_.CreateComposition();
composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
int ret = composition->SetDisplayMode(*mode);
- ret = compositor_.QueueComposition(std::move(composition));
+ ret = compositor_.ApplyComposition(std::move(composition));
if (ret) {
ALOGE("Failed to queue dpms composition on %d", ret);
return HWC2::Error::BadConfig;
@@ -668,7 +668,7 @@ HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
compositor_.CreateComposition();
composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
composition->SetDpmsMode(dpms_value);
- int ret = compositor_.QueueComposition(std::move(composition));
+ int ret = compositor_.ApplyComposition(std::move(composition));
if (ret) {
ALOGE("Failed to apply the dpms composition ret=%d", ret);
return HWC2::Error::BadParameter;
diff --git a/drmresources.cpp b/drmresources.cpp
index ea23cce..67a853c 100644
--- a/drmresources.cpp
+++ b/drmresources.cpp
@@ -35,7 +35,7 @@
namespace android {
-DrmResources::DrmResources() : compositor_(this), event_listener_(this) {
+DrmResources::DrmResources() : event_listener_(this) {
}
DrmResources::~DrmResources() {
@@ -201,10 +201,6 @@ int DrmResources::Init() {
if (ret)
return ret;
- ret = compositor_.Init();
- if (ret)
- return ret;
-
ret = event_listener_.Init();
if (ret) {
ALOGE("Can't initialize event listener %d", ret);
@@ -337,54 +333,6 @@ int DrmResources::DestroyPropertyBlob(uint32_t blob_id) {
return 0;
}
-int DrmResources::SetDisplayActiveMode(int display, const DrmMode &mode) {
- std::unique_ptr<DrmComposition> comp(compositor_.CreateComposition(NULL));
- if (!comp) {
- ALOGE("Failed to create composition for dpms on %d", display);
- return -ENOMEM;
- }
- int ret = comp->SetDisplayMode(display, mode);
- if (ret) {
- ALOGE("Failed to add mode to composition on %d %d", display, ret);
- return ret;
- }
- ret = compositor_.QueueComposition(std::move(comp));
- if (ret) {
- ALOGE("Failed to queue dpms composition on %d %d", display, ret);
- return ret;
- }
- return 0;
-}
-
-int DrmResources::SetDpmsMode(int display, uint64_t mode) {
- if (mode != DRM_MODE_DPMS_ON && mode != DRM_MODE_DPMS_OFF) {
- ALOGE("Invalid dpms mode %" PRIu64, mode);
- return -EINVAL;
- }
-
- std::unique_ptr<DrmComposition> comp(compositor_.CreateComposition(NULL));
- if (!comp) {
- ALOGE("Failed to create composition for dpms on %d", display);
- return -ENOMEM;
- }
- int ret = comp->SetDpmsMode(display, mode);
- if (ret) {
- ALOGE("Failed to add dpms %" PRIu64 " to composition on %d %d", mode,
- display, ret);
- return ret;
- }
- ret = compositor_.QueueComposition(std::move(comp));
- if (ret) {
- ALOGE("Failed to queue dpms composition on %d %d", display, ret);
- return ret;
- }
- return 0;
-}
-
-DrmCompositor *DrmResources::compositor() {
- return &compositor_;
-}
-
DrmEventListener *DrmResources::event_listener() {
return &event_listener_;
}
diff --git a/drmresources.h b/drmresources.h
index 5cca11b..4cca48c 100644
--- a/drmresources.h
+++ b/drmresources.h
@@ -17,7 +17,6 @@
#ifndef ANDROID_DRM_H_
#define ANDROID_DRM_H_
-#include "drmcompositor.h"
#include "drmconnector.h"
#include "drmcrtc.h"
#include "drmencoder.h"
@@ -58,7 +57,6 @@ class DrmResources {
DrmConnector *GetConnectorForDisplay(int display) const;
DrmCrtc *GetCrtcForDisplay(int display) const;
DrmPlane *GetPlane(uint32_t id) const;
- DrmCompositor *compositor();
DrmEventListener *event_listener();
int GetPlaneProperty(const DrmPlane &plane, const char *prop_name,
@@ -70,8 +68,6 @@ class DrmResources {
const std::vector<std::unique_ptr<DrmCrtc>> &crtcs() const;
uint32_t next_mode_id();
- int SetDisplayActiveMode(int display, const DrmMode &mode);
- int SetDpmsMode(int display, uint64_t mode);
int CreatePropertyBlob(void *data, size_t length, uint32_t *blob_id);
int DestroyPropertyBlob(uint32_t blob_id);
@@ -90,7 +86,6 @@ class DrmResources {
std::vector<std::unique_ptr<DrmEncoder>> encoders_;
std::vector<std::unique_ptr<DrmCrtc>> crtcs_;
std::vector<std::unique_ptr<DrmPlane>> planes_;
- DrmCompositor compositor_;
DrmEventListener event_listener_;
std::pair<uint32_t, uint32_t> min_resolution_;
diff --git a/glworker.cpp b/glworker.cpp
index e12995e..e90576a 100644
--- a/glworker.cpp
+++ b/glworker.cpp
@@ -143,6 +143,38 @@ static bool HasExtension(const char *extension, const char *extensions) {
return false;
}
+int GLWorkerCompositor::BeginContext() {
+ private_.saved_egl_display = eglGetCurrentDisplay();
+ private_.saved_egl_ctx = eglGetCurrentContext();
+
+ if (private_.saved_egl_display != egl_display_ ||
+ private_.saved_egl_ctx != egl_ctx_) {
+ private_.saved_egl_read = eglGetCurrentSurface(EGL_READ);
+ private_.saved_egl_draw = eglGetCurrentSurface(EGL_DRAW);
+ } else {
+ return 0;
+ }
+
+ if (!eglMakeCurrent(egl_display_, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_ctx_)) {
+ ALOGE("BeginContext failed: %s", GetEGLError());
+ return 1;
+ }
+ return 0;
+}
+
+int GLWorkerCompositor::EndContext() {
+ if (private_.saved_egl_display != eglGetCurrentDisplay() ||
+ private_.saved_egl_ctx != eglGetCurrentContext()) {
+ if (!eglMakeCurrent(private_.saved_egl_display, private_.saved_egl_read,
+ private_.saved_egl_draw, private_.saved_egl_ctx)) {
+ ALOGE("EndContext failed: %s", GetEGLError());
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
static AutoGLShader CompileAndCheckShader(GLenum type, unsigned source_count,
const GLchar **sources,
std::ostringstream *shader_log) {
@@ -508,10 +540,9 @@ int GLWorkerCompositor::Init() {
return 1;
}
- if (!eglMakeCurrent(egl_display_, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_ctx_)) {
- ALOGE("Failed to make the OpenGL ES Context current: %s", GetEGLError());
- return 1;
- }
+ ret = BeginContext();
+ if (ret)
+ return ret;
gl_extensions = (const char *)glGetString(GL_EXTENSIONS);
@@ -530,6 +561,9 @@ int GLWorkerCompositor::Init() {
std::ostringstream shader_log;
blend_programs_.emplace_back(GenerateProgram(1, &shader_log));
+
+ EndContext();
+
if (blend_programs_.back().get() == 0) {
ALOGE("%s", shader_log.str().c_str());
return 1;
@@ -558,12 +592,17 @@ int GLWorkerCompositor::Composite(DrmHwcLayer *layers,
return -EALREADY;
}
+ ret = BeginContext();
+ if (ret)
+ return -1;
+
GLint frame_width = framebuffer->getWidth();
GLint frame_height = framebuffer->getHeight();
CachedFramebuffer *cached_framebuffer =
PrepareAndCacheFramebuffer(framebuffer);
if (cached_framebuffer == NULL) {
ALOGE("Composite failed because of failed framebuffer");
+ EndContext();
return -EINVAL;
}
@@ -597,8 +636,10 @@ int GLWorkerCompositor::Composite(DrmHwcLayer *layers,
}
}
- if (ret)
+ if (ret) {
+ EndContext();
return ret;
+ }
glViewport(0, 0, frame_width, frame_height);
@@ -676,6 +717,7 @@ int GLWorkerCompositor::Composite(DrmHwcLayer *layers,
glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ EndContext();
return ret;
}
diff --git a/glworker.h b/glworker.h
index 158490c..26de55d 100644
--- a/glworker.h
+++ b/glworker.h
@@ -64,6 +64,16 @@ class GLWorkerCompositor {
bool Promote();
};
+ struct {
+ EGLDisplay saved_egl_display = EGL_NO_DISPLAY;
+ EGLContext saved_egl_ctx = EGL_NO_CONTEXT;
+ EGLSurface saved_egl_read = EGL_NO_SURFACE;
+ EGLSurface saved_egl_draw = EGL_NO_SURFACE;
+ } private_;
+
+ int BeginContext();
+ int EndContext();
+
CachedFramebuffer *FindCachedFramebuffer(
const sp<GraphicBuffer> &framebuffer);
CachedFramebuffer *PrepareAndCacheFramebuffer(
--
2.11.0
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