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-rw-r--r--Android.mk7
-rw-r--r--drmdisplaycomposition.cpp8
-rw-r--r--drmdisplaycompositor.cpp8
-rw-r--r--drmeventlistener.cpp2
-rw-r--r--drmhwcomposer.h6
-rw-r--r--drmhwctwo.cpp1088
-rw-r--r--drmhwctwo.h271
-rw-r--r--drmresources.cpp5
-rw-r--r--drmresources.h11
-rw-r--r--glworker.cpp16
-rw-r--r--glworker.h3
-rw-r--r--hwcomposer.cpp170
-rw-r--r--hwcutils.cpp199
-rw-r--r--platform.h4
-rw-r--r--platformdrmgeneric.cpp17
-rw-r--r--platformdrmgeneric.h1
-rw-r--r--platformnv.cpp11
-rw-r--r--platformnv.h1
-rw-r--r--vsyncworker.cpp18
-rw-r--r--vsyncworker.h15
20 files changed, 1674 insertions, 187 deletions
diff --git a/Android.mk b/Android.mk
index 7bbe332..44ab1bb 100644
--- a/Android.mk
+++ b/Android.mk
@@ -75,11 +75,12 @@ LOCAL_SRC_FILES := \
drmdisplaycompositor.cpp \
drmencoder.cpp \
drmeventlistener.cpp \
+ drmhwctwo.cpp \
drmmode.cpp \
drmplane.cpp \
drmproperty.cpp \
glworker.cpp \
- hwcomposer.cpp \
+ hwcutils.cpp \
platform.cpp \
separate_rects.cpp \
virtualcompositorworker.cpp \
@@ -87,6 +88,10 @@ LOCAL_SRC_FILES := \
LOCAL_CFLAGS := $(common_drm_hwcomposer_cflags)
+LOCAL_CPPFLAGS += \
+ -DHWC2_USE_CPP11 \
+ -DHWC2_INCLUDE_STRINGIFICATION
+
ifeq ($(strip $(BOARD_DRM_HWCOMPOSER_BUFFER_IMPORTER)),nvidia-gralloc)
LOCAL_CPPFLAGS += -DUSE_NVIDIA_IMPORTER
LOCAL_SRC_FILES += platformnv.cpp
diff --git a/drmdisplaycomposition.cpp b/drmdisplaycomposition.cpp
index b7f8d1a..0f8084b 100644
--- a/drmdisplaycomposition.cpp
+++ b/drmdisplaycomposition.cpp
@@ -258,8 +258,10 @@ int DrmDisplayComposition::CreateAndAssignReleaseFences() {
if (!layer->release_fence)
continue;
int ret = layer->release_fence.Set(CreateNextTimelineFence());
- if (ret < 0)
+ if (ret < 0) {
+ ALOGE("Failed to set the release fence (squash) %d", ret);
return ret;
+ }
}
timeline_squash_done_ = timeline_;
@@ -276,8 +278,10 @@ int DrmDisplayComposition::CreateAndAssignReleaseFences() {
if (!layer->release_fence)
continue;
int ret = layer->release_fence.Set(CreateNextTimelineFence());
- if (ret < 0)
+ if (ret < 0) {
+ ALOGE("Failed to set the release fence (comp) %d", ret);
return ret;
+ }
}
return 0;
diff --git a/drmdisplaycompositor.cpp b/drmdisplaycompositor.cpp
index 14b87aa..b3cfb6d 100644
--- a/drmdisplaycompositor.cpp
+++ b/drmdisplaycompositor.cpp
@@ -375,7 +375,8 @@ int DrmDisplayCompositor::ApplySquash(DrmDisplayComposition *display_comp) {
std::vector<DrmCompositionRegion> &regions = display_comp->squash_regions();
ret = pre_compositor_->Composite(display_comp->layers().data(),
- regions.data(), regions.size(), fb.buffer());
+ regions.data(), regions.size(), fb.buffer(),
+ display_comp->importer());
pre_compositor_->Finish();
if (ret) {
@@ -408,7 +409,8 @@ int DrmDisplayCompositor::ApplyPreComposite(
std::vector<DrmCompositionRegion> &regions = display_comp->pre_comp_regions();
ret = pre_compositor_->Composite(display_comp->layers().data(),
- regions.data(), regions.size(), fb.buffer());
+ regions.data(), regions.size(), fb.buffer(),
+ display_comp->importer());
pre_compositor_->Finish();
if (ret) {
@@ -626,6 +628,8 @@ int DrmDisplayCompositor::CommitFrame(DrmDisplayComposition *display_comp,
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);
diff --git a/drmeventlistener.cpp b/drmeventlistener.cpp
index a07bd89..7a21980 100644
--- a/drmeventlistener.cpp
+++ b/drmeventlistener.cpp
@@ -126,7 +126,7 @@ void DrmEventListener::Routine() {
if (FD_ISSET(drm_->fd(), &fds_)) {
drmEventContext event_context = {
- .version = DRM_EVENT_CONTEXT_VERSION,
+ .version = 2,
.vblank_handler = NULL,
.page_flip_handler = DrmEventListener::FlipHandler};
drmHandleEvent(drm_->fd(), &event_context);
diff --git a/drmhwcomposer.h b/drmhwcomposer.h
index d087873..f8440fb 100644
--- a/drmhwcomposer.h
+++ b/drmhwcomposer.h
@@ -144,13 +144,17 @@ struct DrmHwcLayer {
uint8_t alpha = 0xff;
DrmHwcRect<float> source_crop;
DrmHwcRect<int> display_frame;
- std::vector<DrmHwcRect<int>> source_damage;
UniqueFd acquire_fence;
OutputFd release_fence;
int InitFromHwcLayer(hwc_layer_1_t *sf_layer, Importer *importer,
const gralloc_module_t *gralloc);
+ int ImportBuffer(Importer *importer, const gralloc_module_t *gralloc);
+
+ void SetTransform(int32_t sf_transform);
+ void SetSourceCrop(hwc_frect_t const &crop);
+ void SetDisplayFrame(hwc_rect_t const &frame);
buffer_handle_t get_usable_handle() const {
return handle.get() != NULL ? handle.get() : sf_handle;
diff --git a/drmhwctwo.cpp b/drmhwctwo.cpp
new file mode 100644
index 0000000..8c853f4
--- /dev/null
+++ b/drmhwctwo.cpp
@@ -0,0 +1,1088 @@
+/*
+ * Copyright (C) 2016 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-two"
+
+#include "drmdisplaycomposition.h"
+#include "drmhwcomposer.h"
+#include "drmhwctwo.h"
+#include "platform.h"
+#include "vsyncworker.h"
+
+#include <inttypes.h>
+#include <string>
+
+#include <cutils/log.h>
+#include <cutils/properties.h>
+#include <hardware/hardware.h>
+#include <hardware/hwcomposer2.h>
+
+namespace android {
+
+class DrmVsyncCallback : public VsyncCallback {
+ public:
+ DrmVsyncCallback(hwc2_callback_data_t data, hwc2_function_pointer_t hook)
+ : data_(data), hook_(hook) {
+ }
+
+ void Callback(int display, int64_t timestamp) {
+ auto hook = reinterpret_cast<HWC2_PFN_VSYNC>(hook_);
+ hook(data_, display, timestamp);
+ }
+
+ private:
+ hwc2_callback_data_t data_;
+ hwc2_function_pointer_t hook_;
+};
+
+DrmHwcTwo::DrmHwcTwo() {
+ common.tag = HARDWARE_DEVICE_TAG;
+ common.version = HWC_DEVICE_API_VERSION_2_0;
+ common.close = HookDevClose;
+ getCapabilities = HookDevGetCapabilities;
+ getFunction = HookDevGetFunction;
+}
+
+HWC2::Error DrmHwcTwo::Init() {
+ int ret = drm_.Init();
+ if (ret) {
+ ALOGE("Can't initialize drm object %d", ret);
+ return HWC2::Error::NoResources;
+ }
+
+ importer_.reset(Importer::CreateInstance(&drm_));
+ if (!importer_) {
+ ALOGE("Failed to create importer instance");
+ return HWC2::Error::NoResources;
+ }
+
+ ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
+ (const hw_module_t **)&gralloc_);
+ if (ret) {
+ ALOGE("Failed to open gralloc module %d", ret);
+ return HWC2::Error::NoResources;
+ }
+
+ displays_.emplace(std::piecewise_construct,
+ std::forward_as_tuple(HWC_DISPLAY_PRIMARY),
+ std::forward_as_tuple(&drm_, importer_, gralloc_,
+ HWC_DISPLAY_PRIMARY,
+ HWC2::DisplayType::Physical));
+
+ DrmCrtc *crtc = drm_.GetCrtcForDisplay(static_cast<int>(HWC_DISPLAY_PRIMARY));
+ if (!crtc) {
+ ALOGE("Failed to get crtc for display %d",
+ static_cast<int>(HWC_DISPLAY_PRIMARY));
+ return HWC2::Error::BadDisplay;
+ }
+
+ std::vector<DrmPlane *> display_planes;
+ for (auto &plane : drm_.planes()) {
+ if (plane->GetCrtcSupported(*crtc))
+ display_planes.push_back(plane.get());
+ }
+ displays_.at(HWC_DISPLAY_PRIMARY).Init(&display_planes);
+ return HWC2::Error::None;
+}
+
+template <typename... Args>
+static inline HWC2::Error unsupported(char const *func, Args... /*args*/) {
+ ALOGV("Unsupported function: %s", func);
+ return HWC2::Error::Unsupported;
+}
+
+static inline void supported(char const *func) {
+ ALOGV("Supported function: %s", func);
+}
+
+HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t width, uint32_t height,
+ int32_t *format,
+ hwc2_display_t *display) {
+ // TODO: Implement virtual display
+ return unsupported(__func__, width, height, format, display);
+}
+
+HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t display) {
+ // TODO: Implement virtual display
+ return unsupported(__func__, display);
+}
+
+void DrmHwcTwo::Dump(uint32_t *size, char *buffer) {
+ // TODO: Implement dump
+ unsupported(__func__, size, buffer);
+}
+
+uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() {
+ // TODO: Implement virtual display
+ unsupported(__func__);
+ return 0;
+}
+
+HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
+ hwc2_callback_data_t data,
+ hwc2_function_pointer_t function) {
+ supported(__func__);
+ auto callback = static_cast<HWC2::Callback>(descriptor);
+ callbacks_.emplace(callback, HwcCallback(data, function));
+
+ switch (callback) {
+ case HWC2::Callback::Hotplug: {
+ auto hotplug = reinterpret_cast<HWC2_PFN_HOTPLUG>(function);
+ hotplug(data, HWC_DISPLAY_PRIMARY,
+ static_cast<int32_t>(HWC2::Connection::Connected));
+ break;
+ }
+ case HWC2::Callback::Vsync: {
+ for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
+ displays_)
+ d.second.RegisterVsyncCallback(data, function);
+ break;
+ }
+ default:
+ break;
+ }
+ return HWC2::Error::None;
+}
+
+DrmHwcTwo::HwcDisplay::HwcDisplay(DrmResources *drm,
+ std::shared_ptr<Importer> importer,
+ const gralloc_module_t *gralloc,
+ hwc2_display_t handle, HWC2::DisplayType type)
+ : drm_(drm),
+ importer_(importer),
+ gralloc_(gralloc),
+ handle_(handle),
+ type_(type) {
+ supported(__func__);
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) {
+ supported(__func__);
+ planner_ = Planner::CreateInstance(drm_);
+ if (!planner_) {
+ ALOGE("Failed to create planner instance for composition");
+ return HWC2::Error::NoResources;
+ }
+
+ int display = static_cast<int>(handle_);
+ int ret = compositor_.Init(drm_, display);
+ if (ret) {
+ ALOGE("Failed display compositor init for display %d (%d)", display, ret);
+ return HWC2::Error::NoResources;
+ }
+
+ // Split up the given display planes into primary and overlay to properly
+ // interface with the composition
+ 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 : *planes) {
+ if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
+ primary_planes_.push_back(plane);
+ else if (use_overlay_planes && (plane)->type() == DRM_PLANE_TYPE_OVERLAY)
+ overlay_planes_.push_back(plane);
+ }
+
+ crtc_ = drm_->GetCrtcForDisplay(display);
+ if (!crtc_) {
+ ALOGE("Failed to get crtc for display %d", display);
+ return HWC2::Error::BadDisplay;
+ }
+
+ connector_ = drm_->GetConnectorForDisplay(display);
+ if (!connector_) {
+ ALOGE("Failed to get connector for display %d", display);
+ return HWC2::Error::BadDisplay;
+ }
+
+ // Fetch the number of modes from the display
+ uint32_t num_configs;
+ HWC2::Error err = GetDisplayConfigs(&num_configs, NULL);
+ if (err != HWC2::Error::None || !num_configs)
+ return err;
+
+ // Grab the first mode, we'll choose this as the active mode
+ // TODO: Should choose the preferred mode here
+ hwc2_config_t default_config;
+ num_configs = 1;
+ err = GetDisplayConfigs(&num_configs, &default_config);
+ if (err != HWC2::Error::None)
+ return err;
+
+ ret = vsync_worker_.Init(drm_, display);
+ if (ret) {
+ ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
+ return HWC2::Error::BadDisplay;
+ }
+
+ return SetActiveConfig(default_config);
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::RegisterVsyncCallback(
+ hwc2_callback_data_t data, hwc2_function_pointer_t func) {
+ supported(__func__);
+ auto callback = std::make_shared<DrmVsyncCallback>(data, func);
+ vsync_worker_.RegisterCallback(std::move(callback));
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
+ supported(__func__);
+ uint32_t num_changes = 0;
+ for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_)
+ l.second.accept_type_change();
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) {
+ supported(__func__);
+ layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer());
+ *layer = static_cast<hwc2_layer_t>(layer_idx_);
+ ++layer_idx_;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) {
+ supported(__func__);
+ layers_.erase(layer);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(hwc2_config_t *config) {
+ supported(__func__);
+ DrmMode const &mode = connector_->active_mode();
+ if (mode.id() == 0)
+ return HWC2::Error::BadConfig;
+
+ *config = mode.id();
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes(
+ uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) {
+ supported(__func__);
+ uint32_t num_changes = 0;
+ for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
+ if (l.second.type_changed()) {
+ if (layers && num_changes < *num_elements)
+ layers[num_changes] = l.first;
+ if (types && num_changes < *num_elements)
+ types[num_changes] = static_cast<int32_t>(l.second.validated_type());
+ ++num_changes;
+ }
+ }
+ if (!layers && !types)
+ *num_elements = num_changes;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width,
+ uint32_t height,
+ int32_t /*format*/,
+ int32_t dataspace) {
+ supported(__func__);
+ std::pair<uint32_t, uint32_t> min = drm_->min_resolution();
+ std::pair<uint32_t, uint32_t> max = drm_->max_resolution();
+
+ if (width < min.first || height < min.second)
+ return HWC2::Error::Unsupported;
+
+ if (width > max.first || height > max.second)
+ return HWC2::Error::Unsupported;
+
+ if (dataspace != HAL_DATASPACE_UNKNOWN &&
+ dataspace != HAL_DATASPACE_STANDARD_UNSPECIFIED)
+ return HWC2::Error::Unsupported;
+
+ // TODO: Validate format can be handled by either GL or planes
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes,
+ int32_t *modes) {
+ supported(__func__);
+ if (!modes)
+ *num_modes = 1;
+
+ if (modes)
+ *modes = HAL_COLOR_MODE_NATIVE;
+
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config,
+ int32_t attribute_in,
+ int32_t *value) {
+ supported(__func__);
+ auto mode =
+ std::find_if(connector_->modes().begin(), connector_->modes().end(),
+ [config](DrmMode const &m) { return m.id() == config; });
+ if (mode == connector_->modes().end()) {
+ ALOGE("Could not find active mode for %d", config);
+ return HWC2::Error::BadConfig;
+ }
+
+ static const int32_t kUmPerInch = 25400;
+ uint32_t mm_width = connector_->mm_width();
+ uint32_t mm_height = connector_->mm_height();
+ auto attribute = static_cast<HWC2::Attribute>(attribute_in);
+ switch (attribute) {
+ case HWC2::Attribute::Width:
+ *value = mode->h_display();
+ break;
+ case HWC2::Attribute::Height:
+ *value = mode->v_display();
+ break;
+ case HWC2::Attribute::VsyncPeriod:
+ // in nanoseconds
+ *value = 1000 * 1000 * 1000 / mode->v_refresh();
+ break;
+ case HWC2::Attribute::DpiX:
+ // Dots per 1000 inches
+ *value = mm_width ? (mode->h_display() * kUmPerInch) / mm_width : -1;
+ break;
+ case HWC2::Attribute::DpiY:
+ // Dots per 1000 inches
+ *value = mm_height ? (mode->v_display() * kUmPerInch) / mm_height : -1;
+ break;
+ default:
+ *value = -1;
+ return HWC2::Error::BadConfig;
+ }
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs,
+ hwc2_config_t *configs) {
+ supported(__func__);
+ // Since this callback is normally invoked twice (once to get the count, and
+ // once to populate configs), we don't really want to read the edid
+ // redundantly. Instead, only update the modes on the first invocation. While
+ // it's possible this will result in stale modes, it'll all come out in the
+ // wash when we try to set the active config later.
+ if (!configs) {
+ int ret = connector_->UpdateModes();
+ if (ret) {
+ ALOGE("Failed to update display modes %d", ret);
+ return HWC2::Error::BadDisplay;
+ }
+ }
+
+ auto num_modes = static_cast<uint32_t>(connector_->modes().size());
+ if (!configs) {
+ *num_configs = num_modes;
+ return HWC2::Error::None;
+ }
+
+ uint32_t idx = 0;
+ for (const DrmMode &mode : connector_->modes()) {
+ if (idx >= *num_configs)
+ break;
+ configs[idx++] = mode.id();
+ }
+ *num_configs = idx;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) {
+ supported(__func__);
+ std::ostringstream stream;
+ stream << "display-" << connector_->id();
+ std::string string = stream.str();
+ size_t length = string.length();
+ if (!name) {
+ *size = length;
+ return HWC2::Error::None;
+ }
+
+ *size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size);
+ strncpy(name, string.c_str(), *size);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayRequests(int32_t *display_requests,
+ uint32_t *num_elements,
+ hwc2_layer_t *layers,
+ int32_t *layer_requests) {
+ supported(__func__);
+ // TODO: I think virtual display should request
+ // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here
+ unsupported(__func__, display_requests, num_elements, layers, layer_requests);
+ *num_elements = 0;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) {
+ supported(__func__);
+ *type = static_cast<int32_t>(type_);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) {
+ supported(__func__);
+ *support = 0;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities(
+ uint32_t *num_types, int32_t */*types*/, float */*max_luminance*/,
+ float */*max_average_luminance*/, float */*min_luminance*/) {
+ supported(__func__);
+ *num_types = 0;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements,
+ hwc2_layer_t *layers,
+ int32_t *fences) {
+ supported(__func__);
+ uint32_t num_layers = 0;
+
+ for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
+ ++num_layers;
+ if (layers == NULL || fences == NULL) {
+ continue;
+ } else if (num_layers > *num_elements) {
+ ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements);
+ return HWC2::Error::None;
+ }
+
+ layers[num_layers - 1] = l.first;
+ fences[num_layers - 1] = l.second.take_release_fence();
+ }
+ *num_elements = num_layers;
+ return HWC2::Error::None;
+}
+
+void DrmHwcTwo::HwcDisplay::AddFenceToRetireFence(int fd) {
+ supported(__func__);
+ if (fd < 0)
+ return;
+
+ if (next_retire_fence_.get() >= 0) {
+ int old_fence = next_retire_fence_.get();
+ next_retire_fence_.Set(sync_merge("dc_retire", old_fence, fd));
+ } else {
+ next_retire_fence_.Set(dup(fd));
+ }
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *retire_fence) {
+ supported(__func__);
+ std::vector<DrmCompositionDisplayLayersMap> layers_map;
+ layers_map.emplace_back();
+ DrmCompositionDisplayLayersMap &map = layers_map.back();
+
+ map.display = static_cast<int>(handle_);
+ map.geometry_changed = true; // TODO: Fix this
+
+ // order the layers by z-order
+ bool use_client_layer = false;
+ uint32_t client_z_order = 0;
+ std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map;
+ for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
+ switch (l.second.validated_type()) {
+ case HWC2::Composition::Device:
+ z_map.emplace(std::make_pair(l.second.z_order(), &l.second));
+ break;
+ case HWC2::Composition::Client:
+ // Place it at the z_order of the highest client layer
+ use_client_layer = true;
+ client_z_order = std::max(client_z_order, l.second.z_order());
+ break;
+ default:
+ continue;
+ }
+ }
+ if (use_client_layer)
+ z_map.emplace(std::make_pair(client_z_order, &client_layer_));
+
+ // now that they're ordered by z, add them to the composition
+ for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
+ DrmHwcLayer layer;
+ l.second->PopulateDrmLayer(&layer);
+ int ret = layer.ImportBuffer(importer_.get(), gralloc_);
+ if (ret) {
+ ALOGE("Failed to import layer, ret=%d", ret);
+ return HWC2::Error::NoResources;
+ }
+ map.layers.emplace_back(std::move(layer));
+ }
+ if (map.layers.empty()) {
+ *retire_fence = -1;
+ return HWC2::Error::None;
+ }
+
+ std::unique_ptr<DrmDisplayComposition> composition =
+ compositor_.CreateComposition();
+ composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
+
+ // TODO: Don't always assume geometry changed
+ int ret = composition->SetLayers(map.layers.data(), map.layers.size(), true);
+ if (ret) {
+ ALOGE("Failed to set layers in the composition ret=%d", ret);
+ return HWC2::Error::BadLayer;
+ }
+
+ std::vector<DrmPlane *> primary_planes(primary_planes_);
+ std::vector<DrmPlane *> overlay_planes(overlay_planes_);
+ ret = composition->Plan(compositor_.squash_state(), &primary_planes,
+ &overlay_planes);
+ if (ret) {
+ ALOGE("Failed to plan the composition ret=%d", ret);
+ return HWC2::Error::BadConfig;
+ }
+
+ // Disable the planes we're not using
+ for (auto i = primary_planes.begin(); i != primary_planes.end();) {
+ composition->AddPlaneDisable(*i);
+ i = primary_planes.erase(i);
+ }
+ for (auto i = overlay_planes.begin(); i != overlay_planes.end();) {
+ composition->AddPlaneDisable(*i);
+ i = overlay_planes.erase(i);
+ }
+
+ ret = compositor_.QueueComposition(std::move(composition));
+ if (ret) {
+ ALOGE("Failed to apply the frame composition ret=%d", ret);
+ return HWC2::Error::BadParameter;
+ }
+
+ // Now that the release fences have been generated by the compositor, make
+ // sure they're managed properly
+ for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
+ l.second->manage_release_fence();
+ AddFenceToRetireFence(l.second->release_fence());
+ }
+
+ // The retire fence returned here is for the last frame, so return it and
+ // promote the next retire fence
+ *retire_fence = retire_fence_.Release();
+ retire_fence_ = std::move(next_retire_fence_);
+
+ ++frame_no_;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
+ supported(__func__);
+ auto mode =
+ std::find_if(connector_->modes().begin(), connector_->modes().end(),
+ [config](DrmMode const &m) { return m.id() == config; });
+ if (mode == connector_->modes().end()) {
+ ALOGE("Could not find active mode for %d", config);
+ return HWC2::Error::BadConfig;
+ }
+
+ std::unique_ptr<DrmDisplayComposition> composition =
+ compositor_.CreateComposition();
+ composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
+ int ret = composition->SetDisplayMode(*mode);
+ ret = compositor_.QueueComposition(std::move(composition));
+ if (ret) {
+ ALOGE("Failed to queue dpms composition on %d", ret);
+ return HWC2::Error::BadConfig;
+ }
+ if (connector_->active_mode().id() == 0)
+ connector_->set_active_mode(*mode);
+
+ // Setup the client layer's dimensions
+ hwc_rect_t display_frame = {.left = 0,
+ .top = 0,
+ .right = static_cast<int>(mode->h_display()),
+ .bottom = static_cast<int>(mode->v_display())};
+ client_layer_.SetLayerDisplayFrame(display_frame);
+ hwc_frect_t source_crop = {.left = 0.0f,
+ .top = 0.0f,
+ .right = mode->h_display() + 0.0f,
+ .bottom = mode->v_display() + 0.0f};
+ client_layer_.SetLayerSourceCrop(source_crop);
+
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target,
+ int32_t acquire_fence,
+ int32_t dataspace,
+ hwc_region_t damage) {
+ supported(__func__);
+ UniqueFd uf(acquire_fence);
+
+ client_layer_.set_buffer(target);
+ client_layer_.set_acquire_fence(uf.get());
+ client_layer_.SetLayerDataspace(dataspace);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) {
+ supported(__func__);
+
+ if (mode != HAL_COLOR_MODE_NATIVE)
+ return HWC2::Error::Unsupported;
+
+ color_mode_ = mode;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
+ int32_t hint) {
+ supported(__func__);
+ // TODO: Force client composition if we get this
+ return unsupported(__func__, matrix, hint);
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t buffer,
+ int32_t release_fence) {
+ supported(__func__);
+ // TODO: Need virtual display support
+ return unsupported(__func__, buffer, release_fence);
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
+ supported(__func__);
+ uint64_t dpms_value = 0;
+ auto mode = static_cast<HWC2::PowerMode>(mode_in);
+ switch (mode) {
+ case HWC2::PowerMode::Off:
+ dpms_value = DRM_MODE_DPMS_OFF;
+ break;
+ case HWC2::PowerMode::On:
+ dpms_value = DRM_MODE_DPMS_ON;
+ break;
+ default:
+ ALOGI("Power mode %d is unsupported\n", mode);
+ return HWC2::Error::Unsupported;
+ };
+
+ std::unique_ptr<DrmDisplayComposition> composition =
+ compositor_.CreateComposition();
+ composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
+ composition->SetDpmsMode(dpms_value);
+ int ret = compositor_.QueueComposition(std::move(composition));
+ if (ret) {
+ ALOGE("Failed to apply the dpms composition ret=%d", ret);
+ return HWC2::Error::BadParameter;
+ }
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) {
+ supported(__func__);
+ vsync_worker_.VSyncControl(enabled);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
+ uint32_t *num_requests) {
+ supported(__func__);
+ *num_types = 0;
+ *num_requests = 0;
+ for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
+ DrmHwcTwo::HwcLayer &layer = l.second;
+ switch (layer.sf_type()) {
+ case HWC2::Composition::SolidColor:
+ case HWC2::Composition::Cursor:
+ case HWC2::Composition::Sideband:
+ layer.set_validated_type(HWC2::Composition::Client);
+ ++*num_types;
+ break;
+ default:
+ layer.set_validated_type(layer.sf_type());
+ break;
+ }
+ }
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t x, int32_t y) {
+ supported(__func__);
+ cursor_x_ = x;
+ cursor_y_ = y;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) {
+ supported(__func__);
+ blending_ = static_cast<HWC2::BlendMode>(mode);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer,
+ int32_t acquire_fence) {
+ supported(__func__);
+ UniqueFd uf(acquire_fence);
+
+ // The buffer and acquire_fence are handled elsewhere
+ if (sf_type_ == HWC2::Composition::Client ||
+ sf_type_ == HWC2::Composition::Sideband ||
+ sf_type_ == HWC2::Composition::SolidColor)
+ return HWC2::Error::None;
+
+ set_buffer(buffer);
+ set_acquire_fence(uf.get());
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t color) {
+ // TODO: Punt to client composition here?
+ return unsupported(__func__, color);
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) {
+ sf_type_ = static_cast<HWC2::Composition>(type);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) {
+ supported(__func__);
+ dataspace_ = static_cast<android_dataspace_t>(dataspace);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) {
+ supported(__func__);
+ display_frame_ = frame;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) {
+ supported(__func__);
+ alpha_ = alpha;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream(
+ const native_handle_t *stream) {
+ supported(__func__);
+ // TODO: We don't support sideband
+ return unsupported(__func__, stream);
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) {
+ supported(__func__);
+ source_crop_ = crop;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(hwc_region_t damage) {
+ supported(__func__);
+ // TODO: We don't use surface damage, marking as unsupported
+ unsupported(__func__, damage);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) {
+ supported(__func__);
+ transform_ = static_cast<HWC2::Transform>(transform);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(hwc_region_t visible) {
+ supported(__func__);
+ // TODO: We don't use this information, marking as unsupported
+ unsupported(__func__, visible);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) {
+ supported(__func__);
+ z_order_ = order;
+ return HWC2::Error::None;
+}
+
+void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) {
+ supported(__func__);
+ switch (blending_) {
+ case HWC2::BlendMode::None:
+ layer->blending = DrmHwcBlending::kNone;
+ break;
+ case HWC2::BlendMode::Premultiplied:
+ layer->blending = DrmHwcBlending::kPreMult;
+ break;
+ case HWC2::BlendMode::Coverage:
+ layer->blending = DrmHwcBlending::kCoverage;
+ break;
+ default:
+ ALOGE("Unknown blending mode b=%d", blending_);
+ layer->blending = DrmHwcBlending::kNone;
+ break;
+ }
+
+ OutputFd release_fence = release_fence_output();
+
+ layer->sf_handle = buffer_;
+ layer->acquire_fence = acquire_fence_.Release();
+ layer->release_fence = std::move(release_fence);
+ layer->SetDisplayFrame(display_frame_);
+ layer->alpha = static_cast<uint8_t>(255.0f * alpha_ + 0.5f);
+ layer->SetSourceCrop(source_crop_);
+ layer->SetTransform(static_cast<int32_t>(transform_));
+}
+
+// static
+int DrmHwcTwo::HookDevClose(hw_device_t * /*dev*/) {
+ unsupported(__func__);
+ return 0;
+}
+
+// static
+void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/,
+ uint32_t *out_count,
+ int32_t * /*out_capabilities*/) {
+ supported(__func__);
+ *out_count = 0;
+}
+
+// static
+hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction(
+ struct hwc2_device * /*dev*/, int32_t descriptor) {
+ supported(__func__);
+ auto func = static_cast<HWC2::FunctionDescriptor>(descriptor);
+ switch (func) {
+ // Device functions
+ case HWC2::FunctionDescriptor::CreateVirtualDisplay:
+ return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(
+ DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay),
+ &DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t,
+ int32_t*, hwc2_display_t *>);
+ case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
+ return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(
+ DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay),
+ &DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>);
+ case HWC2::FunctionDescriptor::Dump:
+ return ToHook<HWC2_PFN_DUMP>(
+ DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump,
+ uint32_t *, char *>);
+ case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
+ return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(
+ DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount),
+ &DrmHwcTwo::GetMaxVirtualDisplayCount>);
+ case HWC2::FunctionDescriptor::RegisterCallback:
+ return ToHook<HWC2_PFN_REGISTER_CALLBACK>(
+ DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback),
+ &DrmHwcTwo::RegisterCallback, int32_t,
+ hwc2_callback_data_t, hwc2_function_pointer_t>);
+
+ // Display functions
+ case HWC2::FunctionDescriptor::AcceptDisplayChanges:
+ return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(
+ DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges),
+ &HwcDisplay::AcceptDisplayChanges>);
+ case HWC2::FunctionDescriptor::CreateLayer:
+ return ToHook<HWC2_PFN_CREATE_LAYER>(
+ DisplayHook<decltype(&HwcDisplay::CreateLayer),
+ &HwcDisplay::CreateLayer, hwc2_layer_t *>);
+ case HWC2::FunctionDescriptor::DestroyLayer:
+ return ToHook<HWC2_PFN_DESTROY_LAYER>(
+ DisplayHook<decltype(&HwcDisplay::DestroyLayer),
+ &HwcDisplay::DestroyLayer, hwc2_layer_t>);
+ case HWC2::FunctionDescriptor::GetActiveConfig:
+ return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>(
+ DisplayHook<decltype(&HwcDisplay::GetActiveConfig),
+ &HwcDisplay::GetActiveConfig, hwc2_config_t *>);
+ case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
+ return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(
+ DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes),
+ &HwcDisplay::GetChangedCompositionTypes, uint32_t *,
+ hwc2_layer_t *, int32_t *>);
+ case HWC2::FunctionDescriptor::GetClientTargetSupport:
+ return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
+ DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport),
+ &HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t,
+ int32_t, int32_t>);
+ case HWC2::FunctionDescriptor::GetColorModes:
+ return ToHook<HWC2_PFN_GET_COLOR_MODES>(
+ DisplayHook<decltype(&HwcDisplay::GetColorModes),
+ &HwcDisplay::GetColorModes, uint32_t *, int32_t *>);
+ case HWC2::FunctionDescriptor::GetDisplayAttribute:
+ return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(DisplayHook<
+ decltype(&HwcDisplay::GetDisplayAttribute),
+ &HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t, int32_t *>);
+ case HWC2::FunctionDescriptor::GetDisplayConfigs:
+ return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(DisplayHook<
+ decltype(&HwcDisplay::GetDisplayConfigs),
+ &HwcDisplay::GetDisplayConfigs, uint32_t *, hwc2_config_t *>);
+ case HWC2::FunctionDescriptor::GetDisplayName:
+ return ToHook<HWC2_PFN_GET_DISPLAY_NAME>(
+ DisplayHook<decltype(&HwcDisplay::GetDisplayName),
+ &HwcDisplay::GetDisplayName, uint32_t *, char *>);
+ case HWC2::FunctionDescriptor::GetDisplayRequests:
+ return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>(
+ DisplayHook<decltype(&HwcDisplay::GetDisplayRequests),
+ &HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *,
+ hwc2_layer_t *, int32_t *>);
+ case HWC2::FunctionDescriptor::GetDisplayType:
+ return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>(
+ DisplayHook<decltype(&HwcDisplay::GetDisplayType),
+ &HwcDisplay::GetDisplayType, int32_t *>);
+ case HWC2::FunctionDescriptor::GetDozeSupport:
+ return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>(
+ DisplayHook<decltype(&HwcDisplay::GetDozeSupport),
+ &HwcDisplay::GetDozeSupport, int32_t *>);
+ case HWC2::FunctionDescriptor::GetHdrCapabilities:
+ return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>(
+ DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities),
+ &HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *,
+ float *, float *, float *>);
+ case HWC2::FunctionDescriptor::GetReleaseFences:
+ return ToHook<HWC2_PFN_GET_RELEASE_FENCES>(
+ DisplayHook<decltype(&HwcDisplay::GetReleaseFences),
+ &HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *,
+ int32_t *>);
+ case HWC2::FunctionDescriptor::PresentDisplay:
+ return ToHook<HWC2_PFN_PRESENT_DISPLAY>(
+ DisplayHook<decltype(&HwcDisplay::PresentDisplay),
+ &HwcDisplay::PresentDisplay, int32_t *>);
+ case HWC2::FunctionDescriptor::SetActiveConfig:
+ return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>(
+ DisplayHook<decltype(&HwcDisplay::SetActiveConfig),
+ &HwcDisplay::SetActiveConfig, hwc2_config_t>);
+ case HWC2::FunctionDescriptor::SetClientTarget:
+ return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(DisplayHook<
+ decltype(&HwcDisplay::SetClientTarget), &HwcDisplay::SetClientTarget,
+ buffer_handle_t, int32_t, int32_t, hwc_region_t>);
+ case HWC2::FunctionDescriptor::SetColorMode:
+ return ToHook<HWC2_PFN_SET_COLOR_MODE>(
+ DisplayHook<decltype(&HwcDisplay::SetColorMode),
+ &HwcDisplay::SetColorMode, int32_t>);
+ case HWC2::FunctionDescriptor::SetColorTransform:
+ return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>(
+ DisplayHook<decltype(&HwcDisplay::SetColorTransform),
+ &HwcDisplay::SetColorTransform, const float *, int32_t>);
+ case HWC2::FunctionDescriptor::SetOutputBuffer:
+ return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>(
+ DisplayHook<decltype(&HwcDisplay::SetOutputBuffer),
+ &HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>);
+ case HWC2::FunctionDescriptor::SetPowerMode:
+ return ToHook<HWC2_PFN_SET_POWER_MODE>(
+ DisplayHook<decltype(&HwcDisplay::SetPowerMode),
+ &HwcDisplay::SetPowerMode, int32_t>);
+ case HWC2::FunctionDescriptor::SetVsyncEnabled:
+ return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>(
+ DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled),
+ &HwcDisplay::SetVsyncEnabled, int32_t>);
+ case HWC2::FunctionDescriptor::ValidateDisplay:
+ return ToHook<HWC2_PFN_VALIDATE_DISPLAY>(
+ DisplayHook<decltype(&HwcDisplay::ValidateDisplay),
+ &HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>);
+
+ // Layer functions
+ case HWC2::FunctionDescriptor::SetCursorPosition:
+ return ToHook<HWC2_PFN_SET_CURSOR_POSITION>(
+ LayerHook<decltype(&HwcLayer::SetCursorPosition),
+ &HwcLayer::SetCursorPosition, int32_t, int32_t>);
+ case HWC2::FunctionDescriptor::SetLayerBlendMode:
+ return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>(
+ LayerHook<decltype(&HwcLayer::SetLayerBlendMode),
+ &HwcLayer::SetLayerBlendMode, int32_t>);
+ case HWC2::FunctionDescriptor::SetLayerBuffer:
+ return ToHook<HWC2_PFN_SET_LAYER_BUFFER>(
+ LayerHook<decltype(&HwcLayer::SetLayerBuffer),
+ &HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>);
+ case HWC2::FunctionDescriptor::SetLayerColor:
+ return ToHook<HWC2_PFN_SET_LAYER_COLOR>(
+ LayerHook<decltype(&HwcLayer::SetLayerColor),
+ &HwcLayer::SetLayerColor, hwc_color_t>);
+ case HWC2::FunctionDescriptor::SetLayerCompositionType:
+ return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(
+ LayerHook<decltype(&HwcLayer::SetLayerCompositionType),
+ &HwcLayer::SetLayerCompositionType, int32_t>);
+ case HWC2::FunctionDescriptor::SetLayerDataspace:
+ return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>(
+ LayerHook<decltype(&HwcLayer::SetLayerDataspace),
+ &HwcLayer::SetLayerDataspace, int32_t>);
+ case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
+ return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(
+ LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame),
+ &HwcLayer::SetLayerDisplayFrame, hwc_rect_t>);
+ case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
+ return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(
+ LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha),
+ &HwcLayer::SetLayerPlaneAlpha, float>);
+ case HWC2::FunctionDescriptor::SetLayerSidebandStream:
+ return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(LayerHook<
+ decltype(&HwcLayer::SetLayerSidebandStream),
+ &HwcLayer::SetLayerSidebandStream, const native_handle_t *>);
+ case HWC2::FunctionDescriptor::SetLayerSourceCrop:
+ return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>(
+ LayerHook<decltype(&HwcLayer::SetLayerSourceCrop),
+ &HwcLayer::SetLayerSourceCrop, hwc_frect_t>);
+ case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
+ return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(
+ LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage),
+ &HwcLayer::SetLayerSurfaceDamage, hwc_region_t>);
+ case HWC2::FunctionDescriptor::SetLayerTransform:
+ return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>(
+ LayerHook<decltype(&HwcLayer::SetLayerTransform),
+ &HwcLayer::SetLayerTransform, int32_t>);
+ case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
+ return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(
+ LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion),
+ &HwcLayer::SetLayerVisibleRegion, hwc_region_t>);
+ case HWC2::FunctionDescriptor::SetLayerZOrder:
+ return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>(
+ LayerHook<decltype(&HwcLayer::SetLayerZOrder),
+ &HwcLayer::SetLayerZOrder, uint32_t>);
+ case HWC2::FunctionDescriptor::Invalid:
+ default:
+ return NULL;
+ }
+}
+
+// static
+int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name,
+ struct hw_device_t **dev) {
+ supported(__func__);
+ if (strcmp(name, HWC_HARDWARE_COMPOSER)) {
+ ALOGE("Invalid module name- %s", name);
+ return -EINVAL;
+ }
+
+ std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo());
+ if (!ctx) {
+ ALOGE("Failed to allocate DrmHwcTwo");
+ return -ENOMEM;
+ }
+
+ HWC2::Error err = ctx->Init();
+ if (err != HWC2::Error::None) {
+ ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err);
+ return -EINVAL;
+ }
+
+ ctx->common.module = const_cast<hw_module_t *>(module);
+ *dev = &ctx->common;
+ ctx.release();
+ return 0;
+}
+}
+
+static struct hw_module_methods_t hwc2_module_methods = {
+ .open = android::DrmHwcTwo::HookDevOpen,
+};
+
+hw_module_t HAL_MODULE_INFO_SYM = {
+ .tag = HARDWARE_MODULE_TAG,
+ .module_api_version = HARDWARE_MODULE_API_VERSION(2, 0),
+ .id = HWC_HARDWARE_MODULE_ID,
+ .name = "DrmHwcTwo module",
+ .author = "The Android Open Source Project",
+ .methods = &hwc2_module_methods,
+ .dso = NULL,
+ .reserved = {0},
+};
diff --git a/drmhwctwo.h b/drmhwctwo.h
new file mode 100644
index 0000000..0490e2a
--- /dev/null
+++ b/drmhwctwo.h
@@ -0,0 +1,271 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#include "drmdisplaycompositor.h"
+#include "drmhwcomposer.h"
+#include "drmresources.h"
+#include "platform.h"
+#include "vsyncworker.h"
+
+#include <hardware/hwcomposer2.h>
+
+#include <map>
+
+namespace android {
+
+class DrmHwcTwo : public hwc2_device_t {
+ public:
+ static int HookDevOpen(const struct hw_module_t *module, const char *name,
+ struct hw_device_t **dev);
+
+ DrmHwcTwo();
+
+ HWC2::Error Init();
+
+ private:
+ class HwcLayer {
+ public:
+ HWC2::Composition sf_type() const {
+ return sf_type_;
+ }
+ HWC2::Composition validated_type() const {
+ return validated_type_;
+ }
+ void accept_type_change() {
+ sf_type_ = validated_type_;
+ }
+ void set_validated_type(HWC2::Composition type) {
+ validated_type_ = type;
+ }
+ bool type_changed() const {
+ return sf_type_ != validated_type_;
+ }
+
+ uint32_t z_order() const {
+ return z_order_;
+ }
+
+ buffer_handle_t buffer() {
+ return buffer_;
+ }
+ void set_buffer(buffer_handle_t buffer) {
+ buffer_ = buffer;
+ }
+
+ int take_acquire_fence() {
+ return acquire_fence_.Release();
+ }
+ void set_acquire_fence(int acquire_fence) {
+ acquire_fence_.Set(dup(acquire_fence));
+ }
+
+ int release_fence() {
+ return release_fence_.get();
+ }
+ int take_release_fence() {
+ return release_fence_.Release();
+ }
+ void manage_release_fence() {
+ release_fence_.Set(release_fence_raw_);
+ release_fence_raw_ = -1;
+ }
+ OutputFd release_fence_output() {
+ return OutputFd(&release_fence_raw_);
+ }
+
+ void PopulateDrmLayer(DrmHwcLayer *layer);
+
+ // Layer hooks
+ HWC2::Error SetCursorPosition(int32_t x, int32_t y);
+ HWC2::Error SetLayerBlendMode(int32_t mode);
+ HWC2::Error SetLayerBuffer(buffer_handle_t buffer, int32_t acquire_fence);
+ HWC2::Error SetLayerColor(hwc_color_t color);
+ HWC2::Error SetLayerCompositionType(int32_t type);
+ HWC2::Error SetLayerDataspace(int32_t dataspace);
+ HWC2::Error SetLayerDisplayFrame(hwc_rect_t frame);
+ HWC2::Error SetLayerPlaneAlpha(float alpha);
+ HWC2::Error SetLayerSidebandStream(const native_handle_t *stream);
+ HWC2::Error SetLayerSourceCrop(hwc_frect_t crop);
+ HWC2::Error SetLayerSurfaceDamage(hwc_region_t damage);
+ HWC2::Error SetLayerTransform(int32_t transform);
+ HWC2::Error SetLayerVisibleRegion(hwc_region_t visible);
+ HWC2::Error SetLayerZOrder(uint32_t z);
+
+ private:
+ // sf_type_ stores the initial type given to us by surfaceflinger,
+ // validated_type_ stores the type after running ValidateDisplay
+ HWC2::Composition sf_type_ = HWC2::Composition::Invalid;
+ HWC2::Composition validated_type_ = HWC2::Composition::Invalid;
+
+ HWC2::BlendMode blending_ = HWC2::BlendMode::None;
+ buffer_handle_t buffer_;
+ UniqueFd acquire_fence_;
+ int release_fence_raw_ = -1;
+ UniqueFd release_fence_;
+ hwc_rect_t display_frame_;
+ float alpha_ = 1.0f;
+ hwc_frect_t source_crop_;
+ int32_t cursor_x_;
+ int32_t cursor_y_;
+ HWC2::Transform transform_ = HWC2::Transform::None;
+ uint32_t z_order_ = 0;
+ android_dataspace_t dataspace_ = HAL_DATASPACE_UNKNOWN;
+ };
+
+ struct HwcCallback {
+ HwcCallback(hwc2_callback_data_t d, hwc2_function_pointer_t f)
+ : data(d), func(f) {
+ }
+ hwc2_callback_data_t data;
+ hwc2_function_pointer_t func;
+ };
+
+ class HwcDisplay {
+ public:
+ HwcDisplay(DrmResources *drm, std::shared_ptr<Importer> importer,
+ const gralloc_module_t *gralloc, hwc2_display_t handle,
+ HWC2::DisplayType type);
+ HwcDisplay(const HwcDisplay &) = delete;
+ HWC2::Error Init(std::vector<DrmPlane *> *planes);
+
+ HWC2::Error RegisterVsyncCallback(hwc2_callback_data_t data,
+ hwc2_function_pointer_t func);
+
+ // HWC Hooks
+ HWC2::Error AcceptDisplayChanges();
+ HWC2::Error CreateLayer(hwc2_layer_t *layer);
+ HWC2::Error DestroyLayer(hwc2_layer_t layer);
+ HWC2::Error GetActiveConfig(hwc2_config_t *config);
+ HWC2::Error GetChangedCompositionTypes(uint32_t *num_elements,
+ hwc2_layer_t *layers,
+ int32_t *types);
+ HWC2::Error GetClientTargetSupport(uint32_t width, uint32_t height,
+ int32_t format, int32_t dataspace);
+ HWC2::Error GetColorModes(uint32_t *num_modes, int32_t *modes);
+ HWC2::Error GetDisplayAttribute(hwc2_config_t config, int32_t attribute,
+ int32_t *value);
+ HWC2::Error GetDisplayConfigs(uint32_t *num_configs,
+ hwc2_config_t *configs);
+ HWC2::Error GetDisplayName(uint32_t *size, char *name);
+ HWC2::Error GetDisplayRequests(int32_t *display_requests,
+ uint32_t *num_elements, hwc2_layer_t *layers,
+ int32_t *layer_requests);
+ HWC2::Error GetDisplayType(int32_t *type);
+ HWC2::Error GetDozeSupport(int32_t *support);
+ HWC2::Error GetHdrCapabilities(uint32_t *num_types, int32_t *types,
+ float *max_luminance,
+ float *max_average_luminance,
+ float *min_luminance);
+ HWC2::Error GetReleaseFences(uint32_t *num_elements, hwc2_layer_t *layers,
+ int32_t *fences);
+ HWC2::Error PresentDisplay(int32_t *retire_fence);
+ HWC2::Error SetActiveConfig(hwc2_config_t config);
+ HWC2::Error SetClientTarget(buffer_handle_t target, int32_t acquire_fence,
+ int32_t dataspace, hwc_region_t damage);
+ HWC2::Error SetColorMode(int32_t mode);
+ HWC2::Error SetColorTransform(const float *matrix, int32_t hint);
+ HWC2::Error SetOutputBuffer(buffer_handle_t buffer, int32_t release_fence);
+ HWC2::Error SetPowerMode(int32_t mode);
+ HWC2::Error SetVsyncEnabled(int32_t enabled);
+ HWC2::Error ValidateDisplay(uint32_t *num_types, uint32_t *num_requests);
+ HwcLayer &get_layer(hwc2_layer_t layer) {
+ return layers_.at(layer);
+ }
+
+ private:
+ void AddFenceToRetireFence(int fd);
+
+ DrmResources *drm_;
+ DrmDisplayCompositor compositor_;
+ std::shared_ptr<Importer> importer_;
+ std::unique_ptr<Planner> planner_;
+ const gralloc_module_t *gralloc_;
+
+ std::vector<DrmPlane *> primary_planes_;
+ std::vector<DrmPlane *> overlay_planes_;
+
+ VSyncWorker vsync_worker_;
+ DrmConnector *connector_ = NULL;
+ DrmCrtc *crtc_ = NULL;
+ hwc2_display_t handle_;
+ HWC2::DisplayType type_;
+ uint32_t layer_idx_ = 0;
+ std::map<hwc2_layer_t, HwcLayer> layers_;
+ HwcLayer client_layer_;
+ UniqueFd retire_fence_;
+ UniqueFd next_retire_fence_;
+ int32_t color_mode_;
+
+ uint32_t frame_no_ = 0;
+ };
+
+ static DrmHwcTwo *toDrmHwcTwo(hwc2_device_t *dev) {
+ return static_cast<DrmHwcTwo *>(dev);
+ }
+
+ template <typename PFN, typename T>
+ static hwc2_function_pointer_t ToHook(T function) {
+ static_assert(std::is_same<PFN, T>::value, "Incompatible fn pointer");
+ return reinterpret_cast<hwc2_function_pointer_t>(function);
+ }
+
+ template <typename T, typename HookType, HookType func, typename... Args>
+ static T DeviceHook(hwc2_device_t *dev, Args... args) {
+ DrmHwcTwo *hwc = toDrmHwcTwo(dev);
+ return static_cast<T>(((*hwc).*func)(std::forward<Args>(args)...));
+ }
+
+ template <typename HookType, HookType func, typename... Args>
+ static int32_t DisplayHook(hwc2_device_t *dev, hwc2_display_t display_handle,
+ Args... args) {
+ DrmHwcTwo *hwc = toDrmHwcTwo(dev);
+ HwcDisplay &display = hwc->displays_.at(display_handle);
+ return static_cast<int32_t>((display.*func)(std::forward<Args>(args)...));
+ }
+
+ template <typename HookType, HookType func, typename... Args>
+ static int32_t LayerHook(hwc2_device_t *dev, hwc2_display_t display_handle,
+ hwc2_layer_t layer_handle, Args... args) {
+ DrmHwcTwo *hwc = toDrmHwcTwo(dev);
+ HwcDisplay &display = hwc->displays_.at(display_handle);
+ HwcLayer &layer = display.get_layer(layer_handle);
+ return static_cast<int32_t>((layer.*func)(std::forward<Args>(args)...));
+ }
+
+ // hwc2_device_t hooks
+ static int HookDevClose(hw_device_t *dev);
+ static void HookDevGetCapabilities(hwc2_device_t *dev, uint32_t *out_count,
+ int32_t *out_capabilities);
+ static hwc2_function_pointer_t HookDevGetFunction(struct hwc2_device *device,
+ int32_t descriptor);
+
+ // Device functions
+ HWC2::Error CreateVirtualDisplay(uint32_t width, uint32_t height,
+ int32_t *format,
+ hwc2_display_t *display);
+ HWC2::Error DestroyVirtualDisplay(hwc2_display_t display);
+ void Dump(uint32_t *size, char *buffer);
+ uint32_t GetMaxVirtualDisplayCount();
+ HWC2::Error RegisterCallback(int32_t descriptor, hwc2_callback_data_t data,
+ hwc2_function_pointer_t function);
+
+ DrmResources drm_;
+ std::shared_ptr<Importer> importer_; // Shared with HwcDisplay
+ const gralloc_module_t *gralloc_;
+ std::map<hwc2_display_t, HwcDisplay> displays_;
+ std::map<HWC2::Callback, HwcCallback> callbacks_;
+};
+}
diff --git a/drmresources.cpp b/drmresources.cpp
index e433239..6b8ed03 100644
--- a/drmresources.cpp
+++ b/drmresources.cpp
@@ -71,6 +71,11 @@ int DrmResources::Init() {
return -ENODEV;
}
+ min_resolution_ =
+ std::pair<uint32_t, uint32_t>(res->min_width, res->min_height);
+ max_resolution_ =
+ std::pair<uint32_t, uint32_t>(res->max_width, res->max_height);
+
bool found_primary = false;
int display_num = 1;
diff --git a/drmresources.h b/drmresources.h
index 64e6b57..011f87e 100644
--- a/drmresources.h
+++ b/drmresources.h
@@ -47,6 +47,14 @@ class DrmResources {
return planes_;
}
+ std::pair<uint32_t, uint32_t> min_resolution() const {
+ return min_resolution_;
+ }
+
+ std::pair<uint32_t, uint32_t> max_resolution() const {
+ return max_resolution_;
+ }
+
DrmConnector *GetConnectorForDisplay(int display) const;
DrmCrtc *GetCrtcForDisplay(int display) const;
DrmPlane *GetPlane(uint32_t id) const;
@@ -83,6 +91,9 @@ class DrmResources {
std::vector<std::unique_ptr<DrmPlane>> planes_;
DrmCompositor compositor_;
DrmEventListener event_listener_;
+
+ std::pair<uint32_t, uint32_t> min_resolution_;
+ std::pair<uint32_t, uint32_t> max_resolution_;
};
}
diff --git a/glworker.cpp b/glworker.cpp
index 6ce2de3..e12995e 100644
--- a/glworker.cpp
+++ b/glworker.cpp
@@ -35,14 +35,10 @@
#include <utils/Trace.h>
#include "drmdisplaycomposition.h"
+#include "platform.h"
#include "glworker.h"
-// TODO(zachr): use hwc_drm_bo to turn buffer handles into textures
-#ifndef EGL_NATIVE_HANDLE_ANDROID_NVX
-#define EGL_NATIVE_HANDLE_ANDROID_NVX 0x322A
-#endif
-
#define MAX_OVERLAPPING_LAYERS 64
namespace android {
@@ -416,10 +412,9 @@ static int EGLFenceWait(EGLDisplay egl_display, int acquireFenceFd) {
static int CreateTextureFromHandle(EGLDisplay egl_display,
buffer_handle_t handle,
+ Importer *importer,
AutoEGLImageAndGLTexture *out) {
- EGLImageKHR image = eglCreateImageKHR(
- egl_display, EGL_NO_CONTEXT, EGL_NATIVE_HANDLE_ANDROID_NVX,
- (EGLClientBuffer)handle, NULL /* no attribs */);
+ EGLImageKHR image = importer->ImportImage(egl_display, handle);
if (image == EGL_NO_IMAGE_KHR) {
ALOGE("Failed to make image %s %p", GetEGLError(), handle);
@@ -552,7 +547,8 @@ GLWorkerCompositor::~GLWorkerCompositor() {
int GLWorkerCompositor::Composite(DrmHwcLayer *layers,
DrmCompositionRegion *regions,
size_t num_regions,
- const sp<GraphicBuffer> &framebuffer) {
+ const sp<GraphicBuffer> &framebuffer,
+ Importer *importer) {
ATRACE_CALL();
int ret = 0;
std::vector<AutoEGLImageAndGLTexture> layer_textures;
@@ -590,7 +586,7 @@ int GLWorkerCompositor::Composite(DrmHwcLayer *layers,
continue;
ret = CreateTextureFromHandle(egl_display_, layer->get_usable_handle(),
- &layer_textures.back());
+ importer, &layer_textures.back());
if (!ret) {
ret = EGLFenceWait(egl_display_, layer->acquire_fence.Release());
diff --git a/glworker.h b/glworker.h
index 222cf6f..158490c 100644
--- a/glworker.h
+++ b/glworker.h
@@ -43,7 +43,8 @@ class GLWorkerCompositor {
int Init();
int Composite(DrmHwcLayer *layers, DrmCompositionRegion *regions,
- size_t num_regions, const sp<GraphicBuffer> &framebuffer);
+ size_t num_regions, const sp<GraphicBuffer> &framebuffer,
+ Importer *importer);
void Finish();
private:
diff --git a/hwcomposer.cpp b/hwcomposer.cpp
index 8d8e1d0..875056d 100644
--- a/hwcomposer.cpp
+++ b/hwcomposer.cpp
@@ -201,165 +201,17 @@ struct hwc_context_t {
DrmHotplugHandler hotplug_handler;
};
-static native_handle_t *dup_buffer_handle(buffer_handle_t handle) {
- native_handle_t *new_handle =
- native_handle_create(handle->numFds, handle->numInts);
- if (new_handle == NULL)
- return NULL;
-
- const int *old_data = handle->data;
- int *new_data = new_handle->data;
- for (int i = 0; i < handle->numFds; i++) {
- *new_data = dup(*old_data);
- old_data++;
- new_data++;
- }
- memcpy(new_data, old_data, sizeof(int) * handle->numInts);
-
- return new_handle;
-}
-
-static void free_buffer_handle(native_handle_t *handle) {
- int ret = native_handle_close(handle);
- if (ret)
- ALOGE("Failed to close native handle %d", ret);
- ret = native_handle_delete(handle);
- if (ret)
- ALOGE("Failed to delete native handle %d", ret);
-}
-
-const hwc_drm_bo *DrmHwcBuffer::operator->() const {
- if (importer_ == NULL) {
- ALOGE("Access of non-existent BO");
- exit(1);
- return NULL;
- }
- return &bo_;
-}
-
-void DrmHwcBuffer::Clear() {
- if (importer_ != NULL) {
- importer_->ReleaseBuffer(&bo_);
- importer_ = NULL;
- }
-}
-
-int DrmHwcBuffer::ImportBuffer(buffer_handle_t handle, Importer *importer) {
- hwc_drm_bo tmp_bo;
-
- int ret = importer->ImportBuffer(handle, &tmp_bo);
- if (ret)
- return ret;
-
- if (importer_ != NULL) {
- importer_->ReleaseBuffer(&bo_);
- }
-
- importer_ = importer;
-
- bo_ = tmp_bo;
-
- return 0;
-}
-
-int DrmHwcNativeHandle::CopyBufferHandle(buffer_handle_t handle,
- const gralloc_module_t *gralloc) {
- native_handle_t *handle_copy = dup_buffer_handle(handle);
- if (handle_copy == NULL) {
- ALOGE("Failed to duplicate handle");
- return -ENOMEM;
- }
-
- int ret = gralloc->registerBuffer(gralloc, handle_copy);
- if (ret) {
- ALOGE("Failed to register buffer handle %d", ret);
- free_buffer_handle(handle_copy);
- return ret;
- }
-
- Clear();
-
- gralloc_ = gralloc;
- handle_ = handle_copy;
-
- return 0;
-}
-
-DrmHwcNativeHandle::~DrmHwcNativeHandle() {
- Clear();
-}
-
-void DrmHwcNativeHandle::Clear() {
- if (gralloc_ != NULL && handle_ != NULL) {
- gralloc_->unregisterBuffer(gralloc_, handle_);
- free_buffer_handle(handle_);
- gralloc_ = NULL;
- handle_ = NULL;
- }
-}
-
-int DrmHwcLayer::InitFromHwcLayer(hwc_layer_1_t *sf_layer, Importer *importer,
- const gralloc_module_t *gralloc) {
- sf_handle = sf_layer->handle;
- alpha = sf_layer->planeAlpha;
-
- source_crop = DrmHwcRect<float>(
- sf_layer->sourceCropf.left, sf_layer->sourceCropf.top,
- sf_layer->sourceCropf.right, sf_layer->sourceCropf.bottom);
- display_frame = DrmHwcRect<int>(
- sf_layer->displayFrame.left, sf_layer->displayFrame.top,
- sf_layer->displayFrame.right, sf_layer->displayFrame.bottom);
-
- transform = 0;
- // 270* and 180* cannot be combined with flips. More specifically, they
- // already contain both horizontal and vertical flips, so those fields are
- // redundant in this case. 90* rotation can be combined with either horizontal
- // flip or vertical flip, so treat it differently
- if (sf_layer->transform == HWC_TRANSFORM_ROT_270) {
- transform = DrmHwcTransform::kRotate270;
- } else if (sf_layer->transform == HWC_TRANSFORM_ROT_180) {
- transform = DrmHwcTransform::kRotate180;
- } else {
- if (sf_layer->transform & HWC_TRANSFORM_FLIP_H)
- transform |= DrmHwcTransform::kFlipH;
- if (sf_layer->transform & HWC_TRANSFORM_FLIP_V)
- transform |= DrmHwcTransform::kFlipV;
- if (sf_layer->transform & HWC_TRANSFORM_ROT_90)
- transform |= DrmHwcTransform::kRotate90;
- }
-
- switch (sf_layer->blending) {
- case HWC_BLENDING_NONE:
- blending = DrmHwcBlending::kNone;
- break;
- case HWC_BLENDING_PREMULT:
- blending = DrmHwcBlending::kPreMult;
- break;
- case HWC_BLENDING_COVERAGE:
- blending = DrmHwcBlending::kCoverage;
- break;
- default:
- ALOGE("Invalid blending in hwc_layer_1_t %d", sf_layer->blending);
- return -EINVAL;
+class DrmVsyncCallback : public VsyncCallback {
+ public:
+ DrmVsyncCallback(hwc_procs_t const *procs) : procs_(procs) {
}
- int ret = buffer.ImportBuffer(sf_layer->handle, importer);
- if (ret)
- return ret;
-
- ret = handle.CopyBufferHandle(sf_layer->handle, gralloc);
- if (ret)
- return ret;
-
- ret = gralloc->perform(gralloc, GRALLOC_MODULE_PERFORM_GET_USAGE,
- handle.get(), &gralloc_buffer_usage);
- if (ret) {
- ALOGE("Failed to get usage for buffer %p (%d)", handle.get(), ret);
- return ret;
+ void Callback(int display, int64_t timestamp) {
+ procs_->vsync(procs_, display, timestamp);
}
-
- return 0;
-}
+ private:
+ hwc_procs_t const *procs_;
+};
static void hwc_dump(struct hwc_composer_device_1 *dev, char *buff,
int buff_len) {
@@ -683,8 +535,10 @@ static void hwc_register_procs(struct hwc_composer_device_1 *dev,
ctx->procs = procs;
- for (std::pair<const int, hwc_drm_display> &display_entry : ctx->displays)
- display_entry.second.vsync_worker.SetProcs(procs);
+ for (std::pair<const int, hwc_drm_display> &display_entry : ctx->displays) {
+ auto callback = std::make_shared<DrmVsyncCallback>(procs);
+ display_entry.second.vsync_worker.RegisterCallback(std::move(callback));
+ }
ctx->hotplug_handler.Init(&ctx->drm, procs);
ctx->drm.event_listener()->RegisterHotplugHandler(&ctx->hotplug_handler);
diff --git a/hwcutils.cpp b/hwcutils.cpp
new file mode 100644
index 0000000..0091575
--- /dev/null
+++ b/hwcutils.cpp
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2016 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-utils"
+
+#include "drmhwcomposer.h"
+#include "platform.h"
+
+#include <cutils/log.h>
+
+namespace android {
+
+const hwc_drm_bo *DrmHwcBuffer::operator->() const {
+ if (importer_ == NULL) {
+ ALOGE("Access of non-existent BO");
+ exit(1);
+ return NULL;
+ }
+ return &bo_;
+}
+
+void DrmHwcBuffer::Clear() {
+ if (importer_ != NULL) {
+ importer_->ReleaseBuffer(&bo_);
+ importer_ = NULL;
+ }
+}
+
+int DrmHwcBuffer::ImportBuffer(buffer_handle_t handle, Importer *importer) {
+ hwc_drm_bo tmp_bo;
+
+ int ret = importer->ImportBuffer(handle, &tmp_bo);
+ if (ret)
+ return ret;
+
+ if (importer_ != NULL) {
+ importer_->ReleaseBuffer(&bo_);
+ }
+
+ importer_ = importer;
+
+ bo_ = tmp_bo;
+
+ return 0;
+}
+
+static native_handle_t *dup_buffer_handle(buffer_handle_t handle) {
+ native_handle_t *new_handle =
+ native_handle_create(handle->numFds, handle->numInts);
+ if (new_handle == NULL)
+ return NULL;
+
+ const int *old_data = handle->data;
+ int *new_data = new_handle->data;
+ for (int i = 0; i < handle->numFds; i++) {
+ *new_data = dup(*old_data);
+ old_data++;
+ new_data++;
+ }
+ memcpy(new_data, old_data, sizeof(int) * handle->numInts);
+
+ return new_handle;
+}
+
+static void free_buffer_handle(native_handle_t *handle) {
+ int ret = native_handle_close(handle);
+ if (ret)
+ ALOGE("Failed to close native handle %d", ret);
+ ret = native_handle_delete(handle);
+ if (ret)
+ ALOGE("Failed to delete native handle %d", ret);
+}
+
+int DrmHwcNativeHandle::CopyBufferHandle(buffer_handle_t handle,
+ const gralloc_module_t *gralloc) {
+ native_handle_t *handle_copy = dup_buffer_handle(handle);
+ if (handle_copy == NULL) {
+ ALOGE("Failed to duplicate handle");
+ return -ENOMEM;
+ }
+
+ int ret = gralloc->registerBuffer(gralloc, handle_copy);
+ if (ret) {
+ ALOGE("Failed to register buffer handle %d", ret);
+ free_buffer_handle(handle_copy);
+ return ret;
+ }
+
+ Clear();
+
+ gralloc_ = gralloc;
+ handle_ = handle_copy;
+
+ return 0;
+}
+
+DrmHwcNativeHandle::~DrmHwcNativeHandle() {
+ Clear();
+}
+
+void DrmHwcNativeHandle::Clear() {
+ if (gralloc_ != NULL && handle_ != NULL) {
+ gralloc_->unregisterBuffer(gralloc_, handle_);
+ free_buffer_handle(handle_);
+ gralloc_ = NULL;
+ handle_ = NULL;
+ }
+}
+
+int DrmHwcLayer::InitFromHwcLayer(hwc_layer_1_t *sf_layer, Importer *importer,
+ const gralloc_module_t *gralloc) {
+ alpha = sf_layer->planeAlpha;
+
+ SetSourceCrop(sf_layer->sourceCropf);
+ SetDisplayFrame(sf_layer->displayFrame);
+ SetTransform(sf_layer->transform);
+
+ switch (sf_layer->blending) {
+ case HWC_BLENDING_NONE:
+ blending = DrmHwcBlending::kNone;
+ break;
+ case HWC_BLENDING_PREMULT:
+ blending = DrmHwcBlending::kPreMult;
+ break;
+ case HWC_BLENDING_COVERAGE:
+ blending = DrmHwcBlending::kCoverage;
+ break;
+ default:
+ ALOGE("Invalid blending in hwc_layer_1_t %d", sf_layer->blending);
+ return -EINVAL;
+ }
+
+ sf_handle = sf_layer->handle;
+
+ return ImportBuffer(importer, gralloc);
+}
+
+int DrmHwcLayer::ImportBuffer(Importer *importer,
+ const gralloc_module_t *gralloc) {
+ int ret = buffer.ImportBuffer(sf_handle, importer);
+ if (ret)
+ return ret;
+
+ ret = handle.CopyBufferHandle(sf_handle, gralloc);
+ if (ret)
+ return ret;
+
+ ret = gralloc->perform(gralloc, GRALLOC_MODULE_PERFORM_GET_USAGE,
+ handle.get(), &gralloc_buffer_usage);
+ if (ret) {
+ ALOGE("Failed to get usage for buffer %p (%d)", handle.get(), ret);
+ return ret;
+ }
+ return 0;
+}
+
+void DrmHwcLayer::SetSourceCrop(hwc_frect_t const &crop) {
+ source_crop = DrmHwcRect<float>(crop.left, crop.top, crop.right, crop.bottom);
+}
+
+void DrmHwcLayer::SetDisplayFrame(hwc_rect_t const &frame) {
+ display_frame =
+ DrmHwcRect<int>(frame.left, frame.top, frame.right, frame.bottom);
+}
+
+void DrmHwcLayer::SetTransform(int32_t sf_transform) {
+ transform = 0;
+ // 270* and 180* cannot be combined with flips. More specifically, they
+ // already contain both horizontal and vertical flips, so those fields are
+ // redundant in this case. 90* rotation can be combined with either horizontal
+ // flip or vertical flip, so treat it differently
+ if (sf_transform == HWC_TRANSFORM_ROT_270) {
+ transform = DrmHwcTransform::kRotate270;
+ } else if (sf_transform == HWC_TRANSFORM_ROT_180) {
+ transform = DrmHwcTransform::kRotate180;
+ } else {
+ if (sf_transform & HWC_TRANSFORM_FLIP_H)
+ transform |= DrmHwcTransform::kFlipH;
+ if (sf_transform & HWC_TRANSFORM_FLIP_V)
+ transform |= DrmHwcTransform::kFlipV;
+ if (sf_transform & HWC_TRANSFORM_ROT_90)
+ transform |= DrmHwcTransform::kRotate90;
+ }
+}
+}
diff --git a/platform.h b/platform.h
index 70e5e81..e417bf7 100644
--- a/platform.h
+++ b/platform.h
@@ -38,6 +38,10 @@ class Importer {
// Creates a platform-specific importer instance
static Importer *CreateInstance(DrmResources *drm);
+ // Imports EGLImage for glcompositor, since NV handles this in non-standard
+ // way, and fishing out the details is specific to the gralloc used.
+ virtual EGLImageKHR ImportImage(EGLDisplay egl_display, buffer_handle_t handle) = 0;
+
// Imports the buffer referred to by handle into bo.
//
// Note: This can be called from a different thread than ReleaseBuffer. The
diff --git a/platformdrmgeneric.cpp b/platformdrmgeneric.cpp
index 90ba0e2..aa3d0fa 100644
--- a/platformdrmgeneric.cpp
+++ b/platformdrmgeneric.cpp
@@ -27,6 +27,7 @@
#include <cutils/log.h>
#include <gralloc_drm_handle.h>
#include <hardware/gralloc.h>
+#include <EGL/eglext.h>
namespace android {
@@ -83,6 +84,22 @@ uint32_t DrmGenericImporter::ConvertHalFormatToDrm(uint32_t hal_format) {
}
}
+EGLImageKHR DrmGenericImporter::ImportImage(EGLDisplay egl_display, buffer_handle_t handle) {
+ gralloc_drm_handle_t *gr_handle = gralloc_drm_handle(handle);
+ if (!gr_handle)
+ return NULL;
+ EGLint attr[] = {
+ EGL_WIDTH, gr_handle->width,
+ EGL_HEIGHT, gr_handle->height,
+ EGL_LINUX_DRM_FOURCC_EXT, (EGLint)ConvertHalFormatToDrm(gr_handle->format),
+ EGL_DMA_BUF_PLANE0_FD_EXT, gr_handle->prime_fd,
+ EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0,
+ EGL_DMA_BUF_PLANE0_PITCH_EXT, gr_handle->stride,
+ EGL_NONE,
+ };
+ return eglCreateImageKHR(egl_display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attr);
+}
+
int DrmGenericImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) {
gralloc_drm_handle_t *gr_handle = gralloc_drm_handle(handle);
if (!gr_handle)
diff --git a/platformdrmgeneric.h b/platformdrmgeneric.h
index 3400876..8376580 100644
--- a/platformdrmgeneric.h
+++ b/platformdrmgeneric.h
@@ -31,6 +31,7 @@ class DrmGenericImporter : public Importer {
int Init();
+ EGLImageKHR ImportImage(EGLDisplay egl_display, buffer_handle_t handle) override;
int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) override;
int ReleaseBuffer(hwc_drm_bo_t *bo) override;
diff --git a/platformnv.cpp b/platformnv.cpp
index e05d1bb..e7b6be3 100644
--- a/platformnv.cpp
+++ b/platformnv.cpp
@@ -29,6 +29,10 @@
#include <cutils/log.h>
#include <hardware/gralloc.h>
+#ifndef EGL_NATIVE_HANDLE_ANDROID_NVX
+#define EGL_NATIVE_HANDLE_ANDROID_NVX 0x322A
+#endif
+
namespace android {
#ifdef USE_NVIDIA_IMPORTER
@@ -69,6 +73,13 @@ int NvImporter::Init() {
return 0;
}
+
+EGLImageKHR NvImporter::ImportImage(EGLDisplay egl_display, buffer_handle_t handle) {
+ return eglCreateImageKHR(
+ egl_display, EGL_NO_CONTEXT, EGL_NATIVE_HANDLE_ANDROID_NVX,
+ (EGLClientBuffer)handle, NULL /* no attribs */);
+}
+
int NvImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) {
memset(bo, 0, sizeof(hwc_drm_bo_t));
NvBuffer_t *buf = GrallocGetNvBuffer(handle);
diff --git a/platformnv.h b/platformnv.h
index e379ea9..7e2784f 100644
--- a/platformnv.h
+++ b/platformnv.h
@@ -34,6 +34,7 @@ class NvImporter : public Importer {
int Init();
+ EGLImageKHR ImportImage(EGLDisplay egl_display, buffer_handle_t handle) override;
int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) override;
int ReleaseBuffer(hwc_drm_bo_t *bo) override;
diff --git a/vsyncworker.cpp b/vsyncworker.cpp
index ee140cb..2177521 100644
--- a/vsyncworker.cpp
+++ b/vsyncworker.cpp
@@ -34,7 +34,6 @@ namespace android {
VSyncWorker::VSyncWorker()
: Worker("vsync", HAL_PRIORITY_URGENT_DISPLAY),
drm_(NULL),
- procs_(NULL),
display_(-1),
last_timestamp_(-1) {
}
@@ -49,9 +48,9 @@ int VSyncWorker::Init(DrmResources *drm, int display) {
return InitWorker();
}
-void VSyncWorker::SetProcs(hwc_procs_t const *procs) {
+void VSyncWorker::RegisterCallback(std::shared_ptr<VsyncCallback> callback) {
Lock();
- procs_ = procs;
+ callback_ = callback;
Unlock();
}
@@ -126,7 +125,8 @@ void VSyncWorker::Routine() {
bool enabled = enabled_;
int display = display_;
- hwc_procs_t const *procs = procs_;
+ std::shared_ptr<VsyncCallback> callback(callback_);
+
Unlock();
if (!enabled)
@@ -159,16 +159,16 @@ void VSyncWorker::Routine() {
}
/*
- * There's a race here where a change in procs_ will not take effect until
+ * There's a race here where a change in callback_ will not take effect until
* the next subsequent requested vsync. This is unavoidable since we can't
* call the vsync hook while holding the thread lock.
*
- * We could shorten the race window by caching procs_ right before calling
- * the hook. However, in practice, procs_ is only updated once, so it's not
+ * We could shorten the race window by caching callback_ right before calling
+ * the hook. However, in practice, callback_ is only updated once, so it's not
* worth the overhead.
*/
- if (procs && procs->vsync)
- procs->vsync(procs, display, timestamp);
+ if (callback)
+ callback->Callback(display, timestamp);
last_timestamp_ = timestamp;
}
}
diff --git a/vsyncworker.h b/vsyncworker.h
index 3e1f814..787152e 100644
--- a/vsyncworker.h
+++ b/vsyncworker.h
@@ -28,13 +28,20 @@
namespace android {
+class VsyncCallback {
+ public:
+ virtual ~VsyncCallback() {
+ }
+ virtual void Callback(int display, int64_t timestamp) = 0;
+};
+
class VSyncWorker : public Worker {
public:
VSyncWorker();
~VSyncWorker() override;
int Init(DrmResources *drm, int display);
- void SetProcs(hwc_procs_t const *procs);
+ void RegisterCallback(std::shared_ptr<VsyncCallback> callback);
void VSyncControl(bool enabled);
@@ -46,7 +53,11 @@ class VSyncWorker : public Worker {
int SyntheticWaitVBlank(int64_t *timestamp);
DrmResources *drm_;
- hwc_procs_t const *procs_;
+
+ // shared_ptr since we need to use this outside of the thread lock (to
+ // actually call the hook) and we don't want the memory freed until we're
+ // done
+ std::shared_ptr<VsyncCallback> callback_ = NULL;
int display_;
bool enabled_;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-15 17:13:12 +0000