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/*
* Copyright 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_NDEBUG 0
#undef LOG_TAG
#define LOG_TAG "HWC2"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include "HWC2.h"
#include "ComposerHal.h"
#include <ui/Fence.h>
#include <ui/FloatRect.h>
#include <ui/GraphicBuffer.h>
#include <ui/Region.h>
#include <android/configuration.h>
#include <algorithm>
#include <inttypes.h>
using android::Fence;
using android::FloatRect;
using android::GraphicBuffer;
using android::HdrCapabilities;
using android::Rect;
using android::Region;
using android::sp;
using android::hardware::Return;
using android::hardware::Void;
namespace HWC2 {
namespace Hwc2 = android::Hwc2;
namespace {
class ComposerCallbackBridge : public Hwc2::IComposerCallback {
public:
ComposerCallbackBridge(ComposerCallback* callback, int32_t sequenceId)
: mCallback(callback), mSequenceId(sequenceId),
mHasPrimaryDisplay(false) {}
Return<void> onHotplug(Hwc2::Display display,
IComposerCallback::Connection conn) override
{
HWC2::Connection connection = static_cast<HWC2::Connection>(conn);
if (!mHasPrimaryDisplay) {
LOG_ALWAYS_FATAL_IF(connection != HWC2::Connection::Connected,
"Initial onHotplug callback should be "
"primary display connected");
mHasPrimaryDisplay = true;
mCallback->onHotplugReceived(mSequenceId, display,
connection, true);
} else {
mCallback->onHotplugReceived(mSequenceId, display,
connection, false);
}
return Void();
}
Return<void> onRefresh(Hwc2::Display display) override
{
mCallback->onRefreshReceived(mSequenceId, display);
return Void();
}
Return<void> onVsync(Hwc2::Display display, int64_t timestamp) override
{
mCallback->onVsyncReceived(mSequenceId, display, timestamp);
return Void();
}
bool HasPrimaryDisplay() { return mHasPrimaryDisplay; }
private:
ComposerCallback* mCallback;
int32_t mSequenceId;
bool mHasPrimaryDisplay;
};
} // namespace anonymous
// Device methods
Device::Device(bool useVrComposer)
: mComposer(std::make_unique<Hwc2::Composer>(useVrComposer)),
mCapabilities(),
mDisplays(),
mRegisteredCallback(false)
{
loadCapabilities();
}
void Device::registerCallback(ComposerCallback* callback, int32_t sequenceId) {
if (mRegisteredCallback) {
ALOGW("Callback already registered. Ignored extra registration "
"attempt.");
return;
}
mRegisteredCallback = true;
sp<ComposerCallbackBridge> callbackBridge(
new ComposerCallbackBridge(callback, sequenceId));
mComposer->registerCallback(callbackBridge);
LOG_ALWAYS_FATAL_IF(!callbackBridge->HasPrimaryDisplay(),
"Registered composer callback but didn't get primary display");
}
// Required by HWC2 device
std::string Device::dump() const
{
return mComposer->dumpDebugInfo();
}
uint32_t Device::getMaxVirtualDisplayCount() const
{
return mComposer->getMaxVirtualDisplayCount();
}
Error Device::createVirtualDisplay(uint32_t width, uint32_t height,
android_pixel_format_t* format, Display** outDisplay)
{
ALOGI("Creating virtual display");
hwc2_display_t displayId = 0;
auto intFormat = static_cast<Hwc2::PixelFormat>(*format);
auto intError = mComposer->createVirtualDisplay(width, height,
&intFormat, &displayId);
auto error = static_cast<Error>(intError);
if (error != Error::None) {
return error;
}
auto display = std::make_unique<Display>(
*mComposer.get(), mCapabilities, displayId, DisplayType::Virtual);
*outDisplay = display.get();
*format = static_cast<android_pixel_format_t>(intFormat);
mDisplays.emplace(displayId, std::move(display));
ALOGI("Created virtual display");
return Error::None;
}
void Device::destroyDisplay(hwc2_display_t displayId)
{
ALOGI("Destroying display %" PRIu64, displayId);
mDisplays.erase(displayId);
}
void Device::onHotplug(hwc2_display_t displayId, Connection connection) {
if (connection == Connection::Connected) {
auto display = getDisplayById(displayId);
if (display) {
if (display->isConnected()) {
ALOGW("Attempt to hotplug connect display %" PRIu64
" , which is already connected.", displayId);
} else {
display->setConnected(true);
}
} else {
DisplayType displayType;
auto intError = mComposer->getDisplayType(displayId,
reinterpret_cast<Hwc2::IComposerClient::DisplayType *>(
&displayType));
auto error = static_cast<Error>(intError);
if (error != Error::None) {
ALOGE("getDisplayType(%" PRIu64 ") failed: %s (%d). "
"Aborting hotplug attempt.",
displayId, to_string(error).c_str(), intError);
return;
}
auto newDisplay = std::make_unique<Display>(
*mComposer.get(), mCapabilities, displayId, displayType);
mDisplays.emplace(displayId, std::move(newDisplay));
}
} else if (connection == Connection::Disconnected) {
// The display will later be destroyed by a call to
// destroyDisplay(). For now we just mark it disconnected.
auto display = getDisplayById(displayId);
if (display) {
display->setConnected(false);
} else {
ALOGW("Attempted to disconnect unknown display %" PRIu64,
displayId);
}
}
}
// Other Device methods
Display* Device::getDisplayById(hwc2_display_t id) {
auto iter = mDisplays.find(id);
return iter == mDisplays.end() ? nullptr : iter->second.get();
}
// Device initialization methods
void Device::loadCapabilities()
{
static_assert(sizeof(Capability) == sizeof(int32_t),
"Capability size has changed");
auto capabilities = mComposer->getCapabilities();
for (auto capability : capabilities) {
mCapabilities.emplace(static_cast<Capability>(capability));
}
}
// Display methods
Display::Display(android::Hwc2::Composer& composer,
const std::unordered_set<Capability>& capabilities,
hwc2_display_t id, DisplayType type)
: mComposer(composer),
mCapabilities(capabilities),
mId(id),
mIsConnected(false),
mType(type)
{
ALOGV("Created display %" PRIu64, id);
setConnected(true);
}
Display::~Display() {
mLayers.clear();
if (mType == DisplayType::Virtual) {
ALOGV("Destroying virtual display");
auto intError = mComposer.destroyVirtualDisplay(mId);
auto error = static_cast<Error>(intError);
ALOGE_IF(error != Error::None, "destroyVirtualDisplay(%" PRIu64
") failed: %s (%d)", mId, to_string(error).c_str(), intError);
} else if (mType == DisplayType::Physical) {
auto error = setVsyncEnabled(HWC2::Vsync::Disable);
if (error != Error::None) {
ALOGE("~Display: Failed to disable vsync for display %" PRIu64
": %s (%d)", mId, to_string(error).c_str(),
static_cast<int32_t>(error));
}
}
}
Display::Config::Config(Display& display, hwc2_config_t id)
: mDisplay(display),
mId(id),
mWidth(-1),
mHeight(-1),
mVsyncPeriod(-1),
mDpiX(-1),
mDpiY(-1) {}
Display::Config::Builder::Builder(Display& display, hwc2_config_t id)
: mConfig(new Config(display, id)) {}
float Display::Config::Builder::getDefaultDensity() {
// Default density is based on TVs: 1080p displays get XHIGH density, lower-
// resolution displays get TV density. Maybe eventually we'll need to update
// it for 4k displays, though hopefully those will just report accurate DPI
// information to begin with. This is also used for virtual displays and
// older HWC implementations, so be careful about orientation.
auto longDimension = std::max(mConfig->mWidth, mConfig->mHeight);
if (longDimension >= 1080) {
return ACONFIGURATION_DENSITY_XHIGH;
} else {
return ACONFIGURATION_DENSITY_TV;
}
}
// Required by HWC2 display
Error Display::acceptChanges()
{
auto intError = mComposer.acceptDisplayChanges(mId);
return static_cast<Error>(intError);
}
Error Display::createLayer(Layer** outLayer)
{
if (!outLayer) {
return Error::BadParameter;
}
hwc2_layer_t layerId = 0;
auto intError = mComposer.createLayer(mId, &layerId);
auto error = static_cast<Error>(intError);
if (error != Error::None) {
return error;
}
auto layer = std::make_unique<Layer>(
mComposer, mCapabilities, mId, layerId);
*outLayer = layer.get();
mLayers.emplace(layerId, std::move(layer));
return Error::None;
}
Error Display::destroyLayer(Layer* layer)
{
if (!layer) {
return Error::BadParameter;
}
mLayers.erase(layer->getId());
return Error::None;
}
Error Display::getActiveConfig(
std::shared_ptr<const Display::Config>* outConfig) const
{
ALOGV("[%" PRIu64 "] getActiveConfig", mId);
hwc2_config_t configId = 0;
auto intError = mComposer.getActiveConfig(mId, &configId);
auto error = static_cast<Error>(intError);
if (error != Error::None) {
ALOGE("Unable to get active config for mId:[%" PRIu64 "]", mId);
*outConfig = nullptr;
return error;
}
if (mConfigs.count(configId) != 0) {
*outConfig = mConfigs.at(configId);
} else {
ALOGE("[%" PRIu64 "] getActiveConfig returned unknown config %u", mId,
configId);
// Return no error, but the caller needs to check for a null pointer to
// detect this case
*outConfig = nullptr;
}
return Error::None;
}
Error Display::getChangedCompositionTypes(
std::unordered_map<Layer*, Composition>* outTypes)
{
std::vector<Hwc2::Layer> layerIds;
std::vector<Hwc2::IComposerClient::Composition> types;
auto intError = mComposer.getChangedCompositionTypes(
mId, &layerIds, &types);
uint32_t numElements = layerIds.size();
auto error = static_cast<Error>(intError);
error = static_cast<Error>(intError);
if (error != Error::None) {
return error;
}
outTypes->clear();
outTypes->reserve(numElements);
for (uint32_t element = 0; element < numElements; ++element) {
auto layer = getLayerById(layerIds[element]);
if (layer) {
auto type = static_cast<Composition>(types[element]);
ALOGV("getChangedCompositionTypes: adding %" PRIu64 " %s",
layer->getId(), to_string(type).c_str());
outTypes->emplace(layer, type);
} else {
ALOGE("getChangedCompositionTypes: invalid layer %" PRIu64 " found"
" on display %" PRIu64, layerIds[element], mId);
}
}
return Error::None;
}
Error Display::getColorModes(std::vector<android_color_mode_t>* outModes) const
{
std::vector<Hwc2::ColorMode> modes;
auto intError = mComposer.getColorModes(mId, &modes);
uint32_t numModes = modes.size();
auto error = static_cast<Error>(intError);
if (error != Error::None) {
return error;
}
outModes->resize(numModes);
for (size_t i = 0; i < numModes; i++) {
(*outModes)[i] = static_cast<android_color_mode_t>(modes[i]);
}
return Error::None;
}
std::vector<std::shared_ptr<const Display::Config>> Display::getConfigs() const
{
std::vector<std::shared_ptr<const Config>> configs;
for (const auto& element : mConfigs) {
configs.emplace_back(element.second);
}
return configs;
}
Error Display::getName(std::string* outName) const
{
auto intError = mComposer.getDisplayName(mId, outName);
return static_cast<Error>(intError);
}
Error Display::getRequests(HWC2::DisplayRequest* outDisplayRequests,
std::unordered_map<Layer*, LayerRequest>* outLayerRequests)
{
uint32_t intDisplayRequests;
std::vector<Hwc2::Layer> layerIds;
std::vector<uint32_t> layerRequests;
auto intError = mComposer.getDisplayRequests(
mId, &intDisplayRequests, &layerIds, &layerRequests);
uint32_t numElements = layerIds.size();
auto error = static_cast<Error>(intError);
if (error != Error::None) {
return error;
}
*outDisplayRequests = static_cast<DisplayRequest>(intDisplayRequests);
outLayerRequests->clear();
outLayerRequests->reserve(numElements);
for (uint32_t element = 0; element < numElements; ++element) {
auto layer = getLayerById(layerIds[element]);
if (layer) {
auto layerRequest =
static_cast<LayerRequest>(layerRequests[element]);
outLayerRequests->emplace(layer, layerRequest);
} else {
ALOGE("getRequests: invalid layer %" PRIu64 " found on display %"
PRIu64, layerIds[element], mId);
}
}
return Error::None;
}
Error Display::getType(DisplayType* outType) const
{
*outType = mType;
return Error::None;
}
Error Display::supportsDoze(bool* outSupport) const
{
bool intSupport = false;
auto intError = mComposer.getDozeSupport(mId, &intSupport);
auto error = static_cast<Error>(intError);
if (error != Error::None) {
return error;
}
*outSupport = static_cast<bool>(intSupport);
return Error::None;
}
Error Display::getHdrCapabilities(
std::unique_ptr<HdrCapabilities>* outCapabilities) const
{
uint32_t numTypes = 0;
float maxLuminance = -1.0f;
float maxAverageLuminance = -1.0f;
float minLuminance = -1.0f;
std::vector<Hwc2::Hdr> intTypes;
auto intError = mComposer.getHdrCapabilities(mId, &intTypes,
&maxLuminance, &maxAverageLuminance, &minLuminance);
auto error = static_cast<HWC2::Error>(intError);
std::vector<int32_t> types;
for (auto type : intTypes) {
types.push_back(static_cast<int32_t>(type));
}
numTypes = types.size();
if (error != Error::None) {
return error;
}
*outCapabilities = std::make_unique<HdrCapabilities>(std::move(types),
maxLuminance, maxAverageLuminance, minLuminance);
return Error::None;
}
Error Display::getReleaseFences(
std::unordered_map<Layer*, sp<Fence>>* outFences) const
{
std::vector<Hwc2::Layer> layerIds;
std::vector<int> fenceFds;
auto intError = mComposer.getReleaseFences(mId, &layerIds, &fenceFds);
auto error = static_cast<Error>(intError);
uint32_t numElements = layerIds.size();
if (error != Error::None) {
return error;
}
std::unordered_map<Layer*, sp<Fence>> releaseFences;
releaseFences.reserve(numElements);
for (uint32_t element = 0; element < numElements; ++element) {
auto layer = getLayerById(layerIds[element]);
if (layer) {
sp<Fence> fence(new Fence(fenceFds[element]));
releaseFences.emplace(layer, fence);
} else {
ALOGE("getReleaseFences: invalid layer %" PRIu64
" found on display %" PRIu64, layerIds[element], mId);
for (; element < numElements; ++element) {
close(fenceFds[element]);
}
return Error::BadLayer;
}
}
*outFences = std::move(releaseFences);
return Error::None;
}
Error Display::present(sp<Fence>* outPresentFence)
{
int32_t presentFenceFd = -1;
auto intError = mComposer.presentDisplay(mId, &presentFenceFd);
auto error = static_cast<Error>(intError);
if (error != Error::None) {
return error;
}
*outPresentFence = new Fence(presentFenceFd);
return Error::None;
}
Error Display::setActiveConfig(const std::shared_ptr<const Config>& config)
{
if (config->getDisplayId() != mId) {
ALOGE("setActiveConfig received config %u for the wrong display %"
PRIu64 " (expected %" PRIu64 ")", config->getId(),
config->getDisplayId(), mId);
return Error::BadConfig;
}
auto intError = mComposer.setActiveConfig(mId, config->getId());
return static_cast<Error>(intError);
}
Error Display::setClientTarget(uint32_t slot, const sp<GraphicBuffer>& target,
const sp<Fence>& acquireFence, android_dataspace_t dataspace)
{
// TODO: Properly encode client target surface damage
int32_t fenceFd = acquireFence->dup();
auto intError = mComposer.setClientTarget(mId, slot, target,
fenceFd, static_cast<Hwc2::Dataspace>(dataspace),
std::vector<Hwc2::IComposerClient::Rect>());
return static_cast<Error>(intError);
}
Error Display::setColorMode(android_color_mode_t mode)
{
auto intError = mComposer.setColorMode(
mId, static_cast<Hwc2::ColorMode>(mode));
return static_cast<Error>(intError);
}
Error Display::setColorTransform(const android::mat4& matrix,
android_color_transform_t hint)
{
auto intError = mComposer.setColorTransform(mId,
matrix.asArray(), static_cast<Hwc2::ColorTransform>(hint));
return static_cast<Error>(intError);
}
Error Display::setOutputBuffer(const sp<GraphicBuffer>& buffer,
const sp<Fence>& releaseFence)
{
int32_t fenceFd = releaseFence->dup();
auto handle = buffer->getNativeBuffer()->handle;
auto intError = mComposer.setOutputBuffer(mId, handle, fenceFd);
close(fenceFd);
return static_cast<Error>(intError);
}
Error Display::setPowerMode(PowerMode mode)
{
auto intMode = static_cast<Hwc2::IComposerClient::PowerMode>(mode);
auto intError = mComposer.setPowerMode(mId, intMode);
return static_cast<Error>(intError);
}
Error Display::setVsyncEnabled(Vsync enabled)
{
auto intEnabled = static_cast<Hwc2::IComposerClient::Vsync>(enabled);
auto intError = mComposer.setVsyncEnabled(mId, intEnabled);
return static_cast<Error>(intError);
}
Error Display::validate(uint32_t* outNumTypes, uint32_t* outNumRequests)
{
uint32_t numTypes = 0;
uint32_t numRequests = 0;
auto intError = mComposer.validateDisplay(mId, &numTypes, &numRequests);
auto error = static_cast<Error>(intError);
if (error != Error::None && error != Error::HasChanges) {
return error;
}
*outNumTypes = numTypes;
*outNumRequests = numRequests;
return error;
}
Error Display::presentOrValidate(uint32_t* outNumTypes, uint32_t* outNumRequests,
sp<android::Fence>* outPresentFence, uint32_t* state) {
uint32_t numTypes = 0;
uint32_t numRequests = 0;
int32_t presentFenceFd = -1;
auto intError = mComposer.presentOrValidateDisplay(
mId, &numTypes, &numRequests, &presentFenceFd, state);
auto error = static_cast<Error>(intError);
if (error != Error::None && error != Error::HasChanges) {
return error;
}
if (*state == 1) {
*outPresentFence = new Fence(presentFenceFd);
}
if (*state == 0) {
*outNumTypes = numTypes;
*outNumRequests = numRequests;
}
return error;
}
void Display::discardCommands()
{
mComposer.resetCommands();
}
// For use by Device
void Display::setConnected(bool connected) {
if (!mIsConnected && connected && mType == DisplayType::Physical) {
mComposer.setClientTargetSlotCount(mId);
loadConfigs();
}
mIsConnected = connected;
}
int32_t Display::getAttribute(hwc2_config_t configId, Attribute attribute)
{
int32_t value = 0;
auto intError = mComposer.getDisplayAttribute(mId, configId,
static_cast<Hwc2::IComposerClient::Attribute>(attribute),
&value);
auto error = static_cast<Error>(intError);
if (error != Error::None) {
ALOGE("getDisplayAttribute(%" PRIu64 ", %u, %s) failed: %s (%d)", mId,
configId, to_string(attribute).c_str(),
to_string(error).c_str(), intError);
return -1;
}
return value;
}
void Display::loadConfig(hwc2_config_t configId)
{
ALOGV("[%" PRIu64 "] loadConfig(%u)", mId, configId);
auto config = Config::Builder(*this, configId)
.setWidth(getAttribute(configId, Attribute::Width))
.setHeight(getAttribute(configId, Attribute::Height))
.setVsyncPeriod(getAttribute(configId, Attribute::VsyncPeriod))
.setDpiX(getAttribute(configId, Attribute::DpiX))
.setDpiY(getAttribute(configId, Attribute::DpiY))
.build();
mConfigs.emplace(configId, std::move(config));
}
void Display::loadConfigs()
{
ALOGV("[%" PRIu64 "] loadConfigs", mId);
std::vector<Hwc2::Config> configIds;
auto intError = mComposer.getDisplayConfigs(mId, &configIds);
auto error = static_cast<Error>(intError);
if (error != Error::None) {
ALOGE("[%" PRIu64 "] getDisplayConfigs [2] failed: %s (%d)", mId,
to_string(error).c_str(), intError);
return;
}
for (auto configId : configIds) {
loadConfig(configId);
}
}
// Other Display methods
Layer* Display::getLayerById(hwc2_layer_t id) const
{
if (mLayers.count(id) == 0) {
return nullptr;
}
return mLayers.at(id).get();
}
// Layer methods
Layer::Layer(android::Hwc2::Composer& composer,
const std::unordered_set<Capability>& capabilities,
hwc2_display_t displayId, hwc2_layer_t layerId)
: mComposer(composer),
mCapabilities(capabilities),
mDisplayId(displayId),
mId(layerId)
{
ALOGV("Created layer %" PRIu64 " on display %" PRIu64, layerId, displayId);
}
Layer::~Layer()
{
auto intError = mComposer.destroyLayer(mDisplayId, mId);
auto error = static_cast<Error>(intError);
ALOGE_IF(error != Error::None, "destroyLayer(%" PRIu64 ", %" PRIu64 ")"
" failed: %s (%d)", mDisplayId, mId, to_string(error).c_str(),
intError);
if (mLayerDestroyedListener) {
mLayerDestroyedListener(this);
}
}
void Layer::setLayerDestroyedListener(std::function<void(Layer*)> listener) {
LOG_ALWAYS_FATAL_IF(mLayerDestroyedListener && listener,
"Attempt to set layer destroyed listener multiple times");
mLayerDestroyedListener = listener;
}
Error Layer::setCursorPosition(int32_t x, int32_t y)
{
auto intError = mComposer.setCursorPosition(mDisplayId, mId, x, y);
return static_cast<Error>(intError);
}
Error Layer::setBuffer(uint32_t slot, const sp<GraphicBuffer>& buffer,
const sp<Fence>& acquireFence)
{
int32_t fenceFd = acquireFence->dup();
auto intError = mComposer.setLayerBuffer(mDisplayId, mId, slot, buffer,
fenceFd);
return static_cast<Error>(intError);
}
Error Layer::setSurfaceDamage(const Region& damage)
{
// We encode default full-screen damage as INVALID_RECT upstream, but as 0
// rects for HWC
Hwc2::Error intError = Hwc2::Error::NONE;
if (damage.isRect() && damage.getBounds() == Rect::INVALID_RECT) {
intError = mComposer.setLayerSurfaceDamage(mDisplayId,
mId, std::vector<Hwc2::IComposerClient::Rect>());
} else {
size_t rectCount = 0;
auto rectArray = damage.getArray(&rectCount);
std::vector<Hwc2::IComposerClient::Rect> hwcRects;
for (size_t rect = 0; rect < rectCount; ++rect) {
hwcRects.push_back({rectArray[rect].left, rectArray[rect].top,
rectArray[rect].right, rectArray[rect].bottom});
}
intError = mComposer.setLayerSurfaceDamage(mDisplayId, mId, hwcRects);
}
return static_cast<Error>(intError);
}
Error Layer::setBlendMode(BlendMode mode)
{
auto intMode = static_cast<Hwc2::IComposerClient::BlendMode>(mode);
auto intError = mComposer.setLayerBlendMode(mDisplayId, mId, intMode);
return static_cast<Error>(intError);
}
Error Layer::setColor(hwc_color_t color)
{
Hwc2::IComposerClient::Color hwcColor{color.r, color.g, color.b, color.a};
auto intError = mComposer.setLayerColor(mDisplayId, mId, hwcColor);
return static_cast<Error>(intError);
}
Error Layer::setCompositionType(Composition type)
{
auto intType = static_cast<Hwc2::IComposerClient::Composition>(type);
auto intError = mComposer.setLayerCompositionType(
mDisplayId, mId, intType);
return static_cast<Error>(intError);
}
Error Layer::setDataspace(android_dataspace_t dataspace)
{
if (dataspace == mDataSpace) {
return Error::None;
}
mDataSpace = dataspace;
auto intDataspace = static_cast<Hwc2::Dataspace>(dataspace);
auto intError = mComposer.setLayerDataspace(mDisplayId, mId, intDataspace);
return static_cast<Error>(intError);
}
Error Layer::setDisplayFrame(const Rect& frame)
{
Hwc2::IComposerClient::Rect hwcRect{frame.left, frame.top,
frame.right, frame.bottom};
auto intError = mComposer.setLayerDisplayFrame(mDisplayId, mId, hwcRect);
return static_cast<Error>(intError);
}
Error Layer::setPlaneAlpha(float alpha)
{
auto intError = mComposer.setLayerPlaneAlpha(mDisplayId, mId, alpha);
return static_cast<Error>(intError);
}
Error Layer::setSidebandStream(const native_handle_t* stream)
{
if (mCapabilities.count(Capability::SidebandStream) == 0) {
ALOGE("Attempted to call setSidebandStream without checking that the "
"device supports sideband streams");
return Error::Unsupported;
}
auto intError = mComposer.setLayerSidebandStream(mDisplayId, mId, stream);
return static_cast<Error>(intError);
}
Error Layer::setSourceCrop(const FloatRect& crop)
{
Hwc2::IComposerClient::FRect hwcRect{
crop.left, crop.top, crop.right, crop.bottom};
auto intError = mComposer.setLayerSourceCrop(mDisplayId, mId, hwcRect);
return static_cast<Error>(intError);
}
Error Layer::setTransform(Transform transform)
{
auto intTransform = static_cast<Hwc2::Transform>(transform);
auto intError = mComposer.setLayerTransform(mDisplayId, mId, intTransform);
return static_cast<Error>(intError);
}
Error Layer::setVisibleRegion(const Region& region)
{
size_t rectCount = 0;
auto rectArray = region.getArray(&rectCount);
std::vector<Hwc2::IComposerClient::Rect> hwcRects;
for (size_t rect = 0; rect < rectCount; ++rect) {
hwcRects.push_back({rectArray[rect].left, rectArray[rect].top,
rectArray[rect].right, rectArray[rect].bottom});
}
auto intError = mComposer.setLayerVisibleRegion(mDisplayId, mId, hwcRects);
return static_cast<Error>(intError);
}
Error Layer::setZOrder(uint32_t z)
{
auto intError = mComposer.setLayerZOrder(mDisplayId, mId, z);
return static_cast<Error>(intError);
}
Error Layer::setInfo(uint32_t type, uint32_t appId)
{
auto intError = mComposer.setLayerInfo(mDisplayId, mId, type, appId);
return static_cast<Error>(intError);
}
} // namespace HWC2