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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.
*/
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
// #define LOG_NDEBUG 0
#undef LOG_TAG
#define LOG_TAG "HWC2"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include "HWC2.h"
#include <ui/Fence.h>
#include <ui/FloatRect.h>
#include <ui/GraphicBuffer.h>
#include <android/configuration.h>
#include <inttypes.h>
#include <algorithm>
#include <iterator>
#include <set>
#include "../Promise.h"
#include "ComposerHal.h"
namespace android {
using android::Fence;
using android::FloatRect;
using android::GraphicBuffer;
using android::HdrCapabilities;
using android::HdrMetadata;
using android::Rect;
using android::Region;
using android::sp;
namespace HWC2 {
using namespace android::hardware::graphics::composer::hal;
namespace Hwc2 = android::Hwc2;
namespace {
inline bool hasMetadataKey(const std::set<Hwc2::PerFrameMetadataKey>& keys,
const Hwc2::PerFrameMetadataKey& key) {
return keys.find(key) != keys.end();
}
} // namespace anonymous
// Display methods
Display::~Display() = default;
Display::Config::Config(Display& display, HWConfigId id)
: mDisplay(display),
mId(id),
mWidth(-1),
mHeight(-1),
mVsyncPeriod(-1),
mDpiX(-1),
mDpiY(-1) {}
Display::Config::Builder::Builder(Display& display, HWConfigId 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;
}
}
namespace impl {
Display::Display(android::Hwc2::Composer& composer,
const std::unordered_set<Capability>& capabilities, HWDisplayId id,
DisplayType type)
: mComposer(composer), mCapabilities(capabilities), mId(id), mType(type) {
ALOGV("Created display %" PRIu64, id);
}
Display::~Display() {
mLayers.clear();
Error error = Error::NONE;
const char* msg;
switch (mType) {
case DisplayType::PHYSICAL:
error = setVsyncEnabled(HWC2::Vsync::DISABLE);
msg = "disable VSYNC for";
break;
case DisplayType::VIRTUAL:
error = static_cast<Error>(mComposer.destroyVirtualDisplay(mId));
msg = "destroy virtual";
break;
case DisplayType::INVALID: // Used in unit tests.
break;
}
ALOGE_IF(error != Error::NONE, "%s: Failed to %s display %" PRIu64 ": %d", __FUNCTION__, msg,
mId, static_cast<int32_t>(error));
ALOGV("Destroyed display %" PRIu64, mId);
}
// Required by HWC2 display
Error Display::acceptChanges()
{
auto intError = mComposer.acceptDisplayChanges(mId);
return static_cast<Error>(intError);
}
Error Display::createLayer(HWC2::Layer** outLayer) {
if (!outLayer) {
return Error::BAD_PARAMETER;
}
HWLayerId 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<impl::Layer>(mComposer, mCapabilities, mId, layerId);
*outLayer = layer.get();
mLayers.emplace(layerId, std::move(layer));
return Error::NONE;
}
Error Display::destroyLayer(HWC2::Layer* layer) {
if (!layer) {
return Error::BAD_PARAMETER;
}
mLayers.erase(layer->getId());
return Error::NONE;
}
Error Display::getActiveConfig(
std::shared_ptr<const Display::Config>* outConfig) const
{
ALOGV("[%" PRIu64 "] getActiveConfig", mId);
HWConfigId 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;
}
bool Display::isVsyncPeriodSwitchSupported() const {
ALOGV("[%" PRIu64 "] isVsyncPeriodSwitchSupported()", mId);
return mComposer.isVsyncPeriodSwitchSupported();
}
Error Display::getDisplayVsyncPeriod(nsecs_t* outVsyncPeriod) const {
ALOGV("[%" PRIu64 "] getDisplayVsyncPeriod", mId);
Error error;
if (isVsyncPeriodSwitchSupported()) {
Hwc2::VsyncPeriodNanos vsyncPeriodNanos = 0;
auto intError = mComposer.getDisplayVsyncPeriod(mId, &vsyncPeriodNanos);
error = static_cast<Error>(intError);
*outVsyncPeriod = static_cast<nsecs_t>(vsyncPeriodNanos);
} else {
// Get the default vsync period
std::shared_ptr<const Display::Config> config;
error = getActiveConfig(&config);
if (error != Error::NONE) {
return error;
}
if (!config) {
// HWC has updated the display modes and hasn't notified us yet.
return Error::BAD_CONFIG;
}
*outVsyncPeriod = config->getVsyncPeriod();
}
return error;
}
Error Display::getActiveConfigIndex(int* outIndex) const {
ALOGV("[%" PRIu64 "] getActiveConfigIndex", mId);
HWConfigId 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);
*outIndex = -1;
return error;
}
auto pos = mConfigs.find(configId);
if (pos != mConfigs.end()) {
*outIndex = std::distance(mConfigs.begin(), pos);
ALOGV("[%" PRIu64 "] index = %d", mId, *outIndex);
} else {
ALOGE("[%" PRIu64 "] getActiveConfig returned unknown config %u", mId, configId);
// Return no error, but the caller needs to check for a negative index
// to detect this case
*outIndex = -1;
}
return Error::NONE;
}
Error Display::getChangedCompositionTypes(std::unordered_map<HWC2::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 = 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<ColorMode>* outModes) const
{
auto intError = mComposer.getColorModes(mId, outModes);
return static_cast<Error>(intError);
}
int32_t Display::getSupportedPerFrameMetadata() const
{
int32_t supportedPerFrameMetadata = 0;
std::vector<Hwc2::PerFrameMetadataKey> tmpKeys = mComposer.getPerFrameMetadataKeys(mId);
std::set<Hwc2::PerFrameMetadataKey> keys(tmpKeys.begin(), tmpKeys.end());
// Check whether a specific metadata type is supported. A metadata type is considered
// supported if and only if all required fields are supported.
// SMPTE2086
if (hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::DISPLAY_RED_PRIMARY_X) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::DISPLAY_RED_PRIMARY_Y) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_X) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_Y) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_X) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_Y) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::WHITE_POINT_X) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::WHITE_POINT_Y) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::MAX_LUMINANCE) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::MIN_LUMINANCE)) {
supportedPerFrameMetadata |= HdrMetadata::Type::SMPTE2086;
}
// CTA861_3
if (hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::MAX_CONTENT_LIGHT_LEVEL) &&
hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::MAX_FRAME_AVERAGE_LIGHT_LEVEL)) {
supportedPerFrameMetadata |= HdrMetadata::Type::CTA861_3;
}
// HDR10PLUS
if (hasMetadataKey(keys, Hwc2::PerFrameMetadataKey::HDR10_PLUS_SEI)) {
supportedPerFrameMetadata |= HdrMetadata::Type::HDR10PLUS;
}
return supportedPerFrameMetadata;
}
Error Display::getRenderIntents(ColorMode colorMode,
std::vector<RenderIntent>* outRenderIntents) const
{
auto intError = mComposer.getRenderIntents(mId, colorMode, outRenderIntents);
return static_cast<Error>(intError);
}
Error Display::getDataspaceSaturationMatrix(Dataspace dataspace, android::mat4* outMatrix)
{
auto intError = mComposer.getDataspaceSaturationMatrix(dataspace, outMatrix);
return static_cast<Error>(intError);
}
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<HWC2::Layer*, LayerRequest>* outLayerRequests) {
uint32_t intDisplayRequests = 0;
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::getConnectionType(android::DisplayConnectionType* outType) const {
if (mType != DisplayType::PHYSICAL) return Error::BAD_DISPLAY;
using ConnectionType = Hwc2::IComposerClient::DisplayConnectionType;
ConnectionType connectionType;
const auto error = static_cast<Error>(mComposer.getDisplayConnectionType(mId, &connectionType));
if (error != Error::NONE) {
return error;
}
*outType = connectionType == ConnectionType::INTERNAL
? android::DisplayConnectionType::Internal
: android::DisplayConnectionType::External;
return Error::NONE;
}
Error Display::supportsDoze(bool* outSupport) const {
*outSupport = mDisplayCapabilities.count(DisplayCapability::DOZE) > 0;
return Error::NONE;
}
Error Display::getHdrCapabilities(HdrCapabilities* outCapabilities) const
{
float maxLuminance = -1.0f;
float maxAverageLuminance = -1.0f;
float minLuminance = -1.0f;
std::vector<Hwc2::Hdr> types;
auto intError = mComposer.getHdrCapabilities(mId, &types,
&maxLuminance, &maxAverageLuminance, &minLuminance);
auto error = static_cast<HWC2::Error>(intError);
if (error != Error::NONE) {
return error;
}
*outCapabilities = HdrCapabilities(std::move(types),
maxLuminance, maxAverageLuminance, minLuminance);
return Error::NONE;
}
Error Display::getDisplayedContentSamplingAttributes(hal::PixelFormat* outFormat,
Dataspace* outDataspace,
uint8_t* outComponentMask) const {
auto intError = mComposer.getDisplayedContentSamplingAttributes(mId, outFormat, outDataspace,
outComponentMask);
return static_cast<Error>(intError);
}
Error Display::setDisplayContentSamplingEnabled(bool enabled, uint8_t componentMask,
uint64_t maxFrames) const {
auto intError =
mComposer.setDisplayContentSamplingEnabled(mId, enabled, componentMask, maxFrames);
return static_cast<Error>(intError);
}
Error Display::getDisplayedContentSample(uint64_t maxFrames, uint64_t timestamp,
android::DisplayedFrameStats* outStats) const {
auto intError = mComposer.getDisplayedContentSample(mId, maxFrames, timestamp, outStats);
return static_cast<Error>(intError);
}
Error Display::getReleaseFences(std::unordered_map<HWC2::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<HWC2::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::BAD_LAYER;
}
}
*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::setActiveConfigWithConstraints(
const std::shared_ptr<const HWC2::Display::Config>& config,
const VsyncPeriodChangeConstraints& constraints, VsyncPeriodChangeTimeline* outTimeline) {
ALOGV("[%" PRIu64 "] setActiveConfigWithConstraints", mId);
if (config->getDisplayId() != mId) {
ALOGE("setActiveConfigWithConstraints received config %u for the wrong display %" PRIu64
" (expected %" PRIu64 ")",
config->getId(), config->getDisplayId(), mId);
return Error::BAD_CONFIG;
}
if (isVsyncPeriodSwitchSupported()) {
Hwc2::IComposerClient::VsyncPeriodChangeConstraints hwc2Constraints;
hwc2Constraints.desiredTimeNanos = constraints.desiredTimeNanos;
hwc2Constraints.seamlessRequired = constraints.seamlessRequired;
Hwc2::VsyncPeriodChangeTimeline vsyncPeriodChangeTimeline = {};
auto intError =
mComposer.setActiveConfigWithConstraints(mId, config->getId(), hwc2Constraints,
&vsyncPeriodChangeTimeline);
outTimeline->newVsyncAppliedTimeNanos = vsyncPeriodChangeTimeline.newVsyncAppliedTimeNanos;
outTimeline->refreshRequired = vsyncPeriodChangeTimeline.refreshRequired;
outTimeline->refreshTimeNanos = vsyncPeriodChangeTimeline.refreshTimeNanos;
return static_cast<Error>(intError);
}
// Use legacy setActiveConfig instead
ALOGV("fallback to legacy setActiveConfig");
const auto now = systemTime();
if (constraints.desiredTimeNanos > now || constraints.seamlessRequired) {
ALOGE("setActiveConfigWithConstraints received constraints that can't be satisfied");
}
auto intError_2_4 = mComposer.setActiveConfig(mId, config->getId());
outTimeline->newVsyncAppliedTimeNanos = std::max(now, constraints.desiredTimeNanos);
outTimeline->refreshRequired = true;
outTimeline->refreshTimeNanos = now;
return static_cast<Error>(intError_2_4);
}
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::BAD_CONFIG;
}
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, Dataspace dataspace)
{
// TODO: Properly encode client target surface damage
int32_t fenceFd = acquireFence->dup();
auto intError = mComposer.setClientTarget(mId, slot, target,
fenceFd, dataspace, std::vector<Hwc2::IComposerClient::Rect>());
return static_cast<Error>(intError);
}
Error Display::setColorMode(ColorMode mode, RenderIntent renderIntent)
{
auto intError = mComposer.setColorMode(mId, mode, renderIntent);
return static_cast<Error>(intError);
}
Error Display::setColorTransform(const android::mat4& matrix, ColorTransform hint) {
auto intError = mComposer.setColorTransform(mId, matrix.asArray(), 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);
if (mode == PowerMode::ON) {
std::call_once(mDisplayCapabilityQueryFlag, [this]() {
std::vector<Hwc2::DisplayCapability> tmpCapabilities;
auto error =
static_cast<Error>(mComposer.getDisplayCapabilities(mId, &tmpCapabilities));
if (error == Error::NONE) {
for (auto capability : tmpCapabilities) {
mDisplayCapabilities.emplace(static_cast<DisplayCapability>(capability));
}
} else if (error == Error::UNSUPPORTED) {
if (mCapabilities.count(Capability::SKIP_CLIENT_COLOR_TRANSFORM)) {
mDisplayCapabilities.emplace(DisplayCapability::SKIP_CLIENT_COLOR_TRANSFORM);
}
bool dozeSupport = false;
error = static_cast<Error>(mComposer.getDozeSupport(mId, &dozeSupport));
if (error == Error::NONE && dozeSupport) {
mDisplayCapabilities.emplace(DisplayCapability::DOZE);
}
}
});
}
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 && !hasChangesError(error)) {
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 && !hasChangesError(error)) {
return error;
}
if (*state == 1) {
*outPresentFence = new Fence(presentFenceFd);
}
if (*state == 0) {
*outNumTypes = numTypes;
*outNumRequests = numRequests;
}
return error;
}
std::future<Error> Display::setDisplayBrightness(float brightness) {
return promise::defer([composer = &mComposer, id = mId, brightness] {
const auto intError = composer->setDisplayBrightness(id, brightness);
return static_cast<Error>(intError);
});
}
Error Display::setAutoLowLatencyMode(bool on) {
auto intError = mComposer.setAutoLowLatencyMode(mId, on);
return static_cast<Error>(intError);
}
Error Display::getSupportedContentTypes(std::vector<ContentType>* outSupportedContentTypes) const {
std::vector<Hwc2::IComposerClient::ContentType> tmpSupportedContentTypes;
auto intError = mComposer.getSupportedContentTypes(mId, &tmpSupportedContentTypes);
for (Hwc2::IComposerClient::ContentType contentType : tmpSupportedContentTypes) {
outSupportedContentTypes->push_back(static_cast<ContentType>(contentType));
}
return static_cast<Error>(intError);
}
Error Display::setContentType(ContentType contentType) {
auto intError = mComposer.setContentType(mId, contentType);
return static_cast<Error>(intError);
}
Error Display::getClientTargetProperty(ClientTargetProperty* outClientTargetProperty) {
const auto error = mComposer.getClientTargetProperty(mId, outClientTargetProperty);
return static_cast<Error>(error);
}
// For use by Device
void Display::setConnected(bool connected) {
if (!mIsConnected && connected) {
mComposer.setClientTargetSlotCount(mId);
if (mType == DisplayType::PHYSICAL) {
loadConfigs();
}
}
mIsConnected = connected;
}
int32_t Display::getAttribute(HWConfigId configId, Attribute attribute) {
int32_t value = 0;
auto intError = mComposer.getDisplayAttribute(mId, configId, 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(HWConfigId configId) {
ALOGV("[%" PRIu64 "] loadConfig(%u)", mId, configId);
auto config = Config::Builder(*this, configId)
.setWidth(getAttribute(configId, hal::Attribute::WIDTH))
.setHeight(getAttribute(configId, hal::Attribute::HEIGHT))
.setVsyncPeriod(getAttribute(configId, hal::Attribute::VSYNC_PERIOD))
.setDpiX(getAttribute(configId, hal::Attribute::DPI_X))
.setDpiY(getAttribute(configId, hal::Attribute::DPI_Y))
.setConfigGroup(getAttribute(configId, hal::Attribute::CONFIG_GROUP))
.build();
mConfigs.emplace(configId, std::move(config));
}
void Display::loadConfigs()
{
ALOGV("[%" PRIu64 "] loadConfigs", mId);
std::vector<HWConfigId> 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
HWC2::Layer* Display::getLayerById(HWLayerId id) const {
if (mLayers.count(id) == 0) {
return nullptr;
}
return mLayers.at(id).get();
}
} // namespace impl
// Layer methods
Layer::~Layer() = default;
namespace impl {
Layer::Layer(android::Hwc2::Composer& composer, const std::unordered_set<Capability>& capabilities,
HWDisplayId displayId, HWLayerId layerId)
: mComposer(composer),
mCapabilities(capabilities),
mDisplayId(displayId),
mId(layerId),
mColorMatrix(android::mat4()) {
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);
}
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)
{
if (buffer == nullptr && mBufferSlot == slot) {
return Error::NONE;
}
mBufferSlot = slot;
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)
{
if (damage.isRect() && mDamageRegion.isRect() &&
(damage.getBounds() == mDamageRegion.getBounds())) {
return Error::NONE;
}
mDamageRegion = 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 intError = mComposer.setLayerBlendMode(mDisplayId, mId, mode);
return static_cast<Error>(intError);
}
Error Layer::setColor(Color color) {
auto intError = mComposer.setLayerColor(mDisplayId, mId, color);
return static_cast<Error>(intError);
}
Error Layer::setCompositionType(Composition type)
{
auto intError = mComposer.setLayerCompositionType(mDisplayId, mId, type);
return static_cast<Error>(intError);
}
Error Layer::setDataspace(Dataspace dataspace)
{
if (dataspace == mDataSpace) {
return Error::NONE;
}
mDataSpace = dataspace;
auto intError = mComposer.setLayerDataspace(mDisplayId, mId, mDataSpace);
return static_cast<Error>(intError);
}
Error Layer::setPerFrameMetadata(const int32_t supportedPerFrameMetadata,
const android::HdrMetadata& metadata)
{
if (metadata == mHdrMetadata) {
return Error::NONE;
}
mHdrMetadata = metadata;
int validTypes = mHdrMetadata.validTypes & supportedPerFrameMetadata;
std::vector<Hwc2::PerFrameMetadata> perFrameMetadatas;
if (validTypes & HdrMetadata::SMPTE2086) {
perFrameMetadatas.insert(perFrameMetadatas.end(),
{{Hwc2::PerFrameMetadataKey::DISPLAY_RED_PRIMARY_X,
mHdrMetadata.smpte2086.displayPrimaryRed.x},
{Hwc2::PerFrameMetadataKey::DISPLAY_RED_PRIMARY_Y,
mHdrMetadata.smpte2086.displayPrimaryRed.y},
{Hwc2::PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_X,
mHdrMetadata.smpte2086.displayPrimaryGreen.x},
{Hwc2::PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_Y,
mHdrMetadata.smpte2086.displayPrimaryGreen.y},
{Hwc2::PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_X,
mHdrMetadata.smpte2086.displayPrimaryBlue.x},
{Hwc2::PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_Y,
mHdrMetadata.smpte2086.displayPrimaryBlue.y},
{Hwc2::PerFrameMetadataKey::WHITE_POINT_X,
mHdrMetadata.smpte2086.whitePoint.x},
{Hwc2::PerFrameMetadataKey::WHITE_POINT_Y,
mHdrMetadata.smpte2086.whitePoint.y},
{Hwc2::PerFrameMetadataKey::MAX_LUMINANCE,
mHdrMetadata.smpte2086.maxLuminance},
{Hwc2::PerFrameMetadataKey::MIN_LUMINANCE,
mHdrMetadata.smpte2086.minLuminance}});
}
if (validTypes & HdrMetadata::CTA861_3) {
perFrameMetadatas.insert(perFrameMetadatas.end(),
{{Hwc2::PerFrameMetadataKey::MAX_CONTENT_LIGHT_LEVEL,
mHdrMetadata.cta8613.maxContentLightLevel},
{Hwc2::PerFrameMetadataKey::MAX_FRAME_AVERAGE_LIGHT_LEVEL,
mHdrMetadata.cta8613.maxFrameAverageLightLevel}});
}
Error error = static_cast<Error>(
mComposer.setLayerPerFrameMetadata(mDisplayId, mId, perFrameMetadatas));
if (validTypes & HdrMetadata::HDR10PLUS) {
if (CC_UNLIKELY(mHdrMetadata.hdr10plus.size() == 0)) {
return Error::BAD_PARAMETER;
}
std::vector<Hwc2::PerFrameMetadataBlob> perFrameMetadataBlobs;
perFrameMetadataBlobs.push_back(
{Hwc2::PerFrameMetadataKey::HDR10_PLUS_SEI, mHdrMetadata.hdr10plus});
Error setMetadataBlobsError = static_cast<Error>(
mComposer.setLayerPerFrameMetadataBlobs(mDisplayId, mId, perFrameMetadataBlobs));
if (error == Error::NONE) {
return setMetadataBlobsError;
}
}
return error;
}
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::SIDEBAND_STREAM) == 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)
{
if (region.isRect() && mVisibleRegion.isRect() &&
(region.getBounds() == mVisibleRegion.getBounds())) {
return Error::NONE;
}
mVisibleRegion = 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);
}
// Composer HAL 2.3
Error Layer::setColorTransform(const android::mat4& matrix) {
if (matrix == mColorMatrix) {
return Error::NONE;
}
auto intError = mComposer.setLayerColorTransform(mDisplayId, mId, matrix.asArray());
Error error = static_cast<Error>(intError);
if (error != Error::NONE) {
return error;
}
mColorMatrix = matrix;
return error;
}
// Composer HAL 2.4
Error Layer::setLayerGenericMetadata(const std::string& name, bool mandatory,
const std::vector<uint8_t>& value) {
auto intError = mComposer.setLayerGenericMetadata(mDisplayId, mId, name, mandatory, value);
return static_cast<Error>(intError);
}
} // namespace impl
} // namespace HWC2
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"