/*
* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* 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.
*/
#include <core/dump_interface.h>
#include <core/buffer_allocator.h>
#include <private/color_params.h>
#include <utils/constants.h>
#include <utils/String16.h>
#include <cutils/properties.h>
#include <hardware_legacy/uevent.h>
#include <sys/resource.h>
#include <sys/prctl.h>
#include <binder/Parcel.h>
#include <QService.h>
#include <display_config.h>
#include <utils/debug.h>
#include <sync/sync.h>
#include <profiler.h>
#include <algorithm>
#include <string>
#include <bitset>
#include <thread>
#include <memory>
#include "hwc_buffer_allocator.h"
#include "hwc_buffer_sync_handler.h"
#include "hwc_session.h"
#include "hwc_debugger.h"
#include "hwc_display_primary.h"
#include "hwc_display_virtual.h"
#define __CLASS__ "HWCSession"
#define HWC_UEVENT_SWITCH_HDMI "change@/devices/virtual/switch/hdmi"
#define HWC_UEVENT_GRAPHICS_FB0 "change@/devices/virtual/graphics/fb0"
static sdm::HWCSession::HWCModuleMethods g_hwc_module_methods;
hwc_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 3,
.version_minor = 0,
.id = HWC_HARDWARE_MODULE_ID,
.name = "QTI Hardware Composer Module",
.author = "CodeAurora Forum",
.methods = &g_hwc_module_methods,
.dso = 0,
.reserved = {0},
}
};
namespace sdm {
static HWCUEvent g_hwc_uevent_;
Locker HWCSession::locker_;
void HWCUEvent::UEventThread(HWCUEvent *hwc_uevent) {
const char *uevent_thread_name = "HWC_UeventThread";
prctl(PR_SET_NAME, uevent_thread_name, 0, 0, 0);
setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
int status = uevent_init();
if (!status) {
std::unique_lock<std::mutex> caller_lock(hwc_uevent->mutex_);
hwc_uevent->caller_cv_.notify_one();
DLOGE("Failed to init uevent with err %d", status);
return;
}
{
// Signal caller thread that worker thread is ready to listen to events.
std::unique_lock<std::mutex> caller_lock(hwc_uevent->mutex_);
hwc_uevent->init_done_ = true;
hwc_uevent->caller_cv_.notify_one();
}
while (1) {
char uevent_data[PAGE_SIZE] = {};
// keep last 2 zeroes to ensure double 0 termination
int length = uevent_next_event(uevent_data, INT32(sizeof(uevent_data)) - 2);
// scope of lock to this block only, so that caller is free to set event handler to nullptr;
{
std::lock_guard<std::mutex> guard(hwc_uevent->mutex_);
if (hwc_uevent->uevent_listener_) {
hwc_uevent->uevent_listener_->UEventHandler(uevent_data, length);
} else {
DLOGW("UEvent dropped. No uevent listener.");
}
}
}
}
HWCUEvent::HWCUEvent() {
std::unique_lock<std::mutex> caller_lock(mutex_);
std::thread thread(HWCUEvent::UEventThread, this);
thread.detach();
caller_cv_.wait(caller_lock);
}
void HWCUEvent::Register(HWCUEventListener *uevent_listener) {
DLOGI("Set uevent listener = %p", uevent_listener);
std::lock_guard<std::mutex> obj(mutex_);
uevent_listener_ = uevent_listener;
}
HWCSession::HWCSession(const hw_module_t *module) {
hwc2_device_t::common.tag = HARDWARE_DEVICE_TAG;
hwc2_device_t::common.version = HWC_DEVICE_API_VERSION_2_0;
hwc2_device_t::common.module = const_cast<hw_module_t *>(module);
hwc2_device_t::common.close = Close;
hwc2_device_t::getCapabilities = GetCapabilities;
hwc2_device_t::getFunction = GetFunction;
}
int HWCSession::Init() {
int status = -EINVAL;
const char *qservice_name = "display.qservice";
if (!g_hwc_uevent_.InitDone()) {
return status;
}
// Start QService and connect to it.
qService::QService::init();
android::sp<qService::IQService> iqservice = android::interface_cast<qService::IQService>(
android::defaultServiceManager()->getService(android::String16(qservice_name)));
if (iqservice.get()) {
iqservice->connect(android::sp<qClient::IQClient>(this));
qservice_ = reinterpret_cast<qService::QService *>(iqservice.get());
} else {
DLOGE("Failed to acquire %s", qservice_name);
return -EINVAL;
}
StartServices();
DisplayError error = CoreInterface::CreateCore(HWCDebugHandler::Get(), &buffer_allocator_,
&buffer_sync_handler_, &socket_handler_,
&core_intf_);
if (error != kErrorNone) {
DLOGE("Display core initialization failed. Error = %d", error);
return -EINVAL;
}
g_hwc_uevent_.Register(this);
// If HDMI display is primary display, defer display creation until hotplug event is received.
HWDisplayInterfaceInfo hw_disp_info = {};
error = core_intf_->GetFirstDisplayInterfaceType(&hw_disp_info);
if (error != kErrorNone) {
g_hwc_uevent_.Register(nullptr);
CoreInterface::DestroyCore();
DLOGE("Primary display type not recognized. Error = %d", error);
return -EINVAL;
}
if (hw_disp_info.type == kHDMI) {
status = 0;
hdmi_is_primary_ = true;
// Create display if it is connected, else wait for hotplug connect event.
if (hw_disp_info.is_connected) {
status = HWCDisplayExternal::Create(core_intf_, &buffer_allocator_, &callbacks_, qservice_,
&hwc_display_[HWC_DISPLAY_PRIMARY]);
}
} else {
// Create and power on primary display
status = HWCDisplayPrimary::Create(core_intf_, &buffer_allocator_, &callbacks_, qservice_,
&hwc_display_[HWC_DISPLAY_PRIMARY]);
color_mgr_ = HWCColorManager::CreateColorManager(&buffer_allocator_);
if (!color_mgr_) {
DLOGW("Failed to load HWCColorManager.");
}
}
if (status) {
g_hwc_uevent_.Register(nullptr);
CoreInterface::DestroyCore();
return status;
}
struct rlimit fd_limit = {};
getrlimit(RLIMIT_NOFILE, &fd_limit);
fd_limit.rlim_cur = fd_limit.rlim_cur * 2;
if (fd_limit.rlim_cur < fd_limit.rlim_max) {
auto err = setrlimit(RLIMIT_NOFILE, &fd_limit);
if (err) {
DLOGW("Unable to increase fd limit - err:%d, %s", errno, strerror(errno));
}
}
return 0;
}
int HWCSession::Deinit() {
HWCDisplay *primary_display = hwc_display_[HWC_DISPLAY_PRIMARY];
if (primary_display) {
if (hdmi_is_primary_) {
HWCDisplayExternal::Destroy(primary_display);
} else {
HWCDisplayPrimary::Destroy(primary_display);
}
}
hwc_display_[HWC_DISPLAY_PRIMARY] = nullptr;
if (color_mgr_) {
color_mgr_->DestroyColorManager();
}
g_hwc_uevent_.Register(nullptr);
DisplayError error = CoreInterface::DestroyCore();
if (error != kErrorNone) {
DLOGE("Display core de-initialization failed. Error = %d", error);
}
return 0;
}
int HWCSession::Open(const hw_module_t *module, const char *name, hw_device_t **device) {
SCOPE_LOCK(locker_);
if (!module || !name || !device) {
DLOGE("Invalid parameters.");
return -EINVAL;
}
if (!strcmp(name, HWC_HARDWARE_COMPOSER)) {
HWCSession *hwc_session = new HWCSession(module);
if (!hwc_session) {
return -ENOMEM;
}
int status = hwc_session->Init();
if (status != 0) {
return status;
}
hwc2_device_t *composer_device = hwc_session;
*device = reinterpret_cast<hw_device_t *>(composer_device);
}
return 0;
}
int HWCSession::Close(hw_device_t *device) {
SCOPE_LOCK(locker_);
if (!device) {
return -EINVAL;
}
hwc2_device_t *composer_device = reinterpret_cast<hwc2_device_t *>(device);
HWCSession *hwc_session = static_cast<HWCSession *>(composer_device);
hwc_session->Deinit();
return 0;
}
void HWCSession::GetCapabilities(struct hwc2_device *device, uint32_t *outCount,
int32_t *outCapabilities) {
if (!outCount) {
return;
}
int value = 0;
bool disable_skip_validate = false;
if (Debug::Get()->GetProperty("sdm.debug.disable_skip_validate", &value) == kErrorNone) {
disable_skip_validate = (value == 1);
}
uint32_t count = 1 + (disable_skip_validate ? 0 : 1);
if (outCapabilities != nullptr && (*outCount >= count)) {
outCapabilities[0] = HWC2_CAPABILITY_SKIP_CLIENT_COLOR_TRANSFORM;
if (!disable_skip_validate) {
outCapabilities[1] = HWC2_CAPABILITY_SKIP_VALIDATE;
}
}
*outCount = count;
}
template <typename PFN, typename T>
static hwc2_function_pointer_t AsFP(T function) {
static_assert(std::is_same<PFN, T>::value, "Incompatible function pointer");
return reinterpret_cast<hwc2_function_pointer_t>(function);
}
// HWC2 functions returned in GetFunction
// Defined in the same order as in the HWC2 header
int32_t HWCSession::AcceptDisplayChanges(hwc2_device_t *device, hwc2_display_t display) {
if (display >= HWC_NUM_DISPLAY_TYPES) {
return HWC2_ERROR_BAD_DISPLAY;
}
SCOPE_LOCK(locker_);
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::AcceptDisplayChanges);
}
int32_t HWCSession::CreateLayer(hwc2_device_t *device, hwc2_display_t display,
hwc2_layer_t *out_layer_id) {
if (!out_layer_id) {
return HWC2_ERROR_BAD_PARAMETER;
}
if (display >= HWC_NUM_DISPLAY_TYPES) {
return HWC2_ERROR_BAD_DISPLAY;
}
SCOPE_LOCK(locker_);
return CallDisplayFunction(device, display, &HWCDisplay::CreateLayer, out_layer_id);
}
int32_t HWCSession::CreateVirtualDisplay(hwc2_device_t *device, uint32_t width, uint32_t height,
int32_t *format, hwc2_display_t *out_display_id) {
// TODO(user): Handle concurrency with HDMI
SCOPE_LOCK(locker_);
if (!device) {
return HWC2_ERROR_BAD_DISPLAY;
}
if (!out_display_id || !width || !height || !format) {
return HWC2_ERROR_BAD_PARAMETER;
}
HWCSession *hwc_session = static_cast<HWCSession *>(device);
auto status = hwc_session->CreateVirtualDisplayObject(width, height, format);
if (status == HWC2::Error::None) {
*out_display_id = HWC_DISPLAY_VIRTUAL;
DLOGI("Created virtual display id:% " PRIu64 " with res: %dx%d",
*out_display_id, width, height);
} else {
DLOGE("Failed to create virtual display: %s", to_string(status).c_str());
}
return INT32(status);
}
int32_t HWCSession::DestroyLayer(hwc2_device_t *device, hwc2_display_t display,
hwc2_layer_t layer) {
if (display >= HWC_NUM_DISPLAY_TYPES) {
return HWC2_ERROR_BAD_DISPLAY;
}
SCOPE_LOCK(locker_);
return CallDisplayFunction(device, display, &HWCDisplay::DestroyLayer, layer);
}
int32_t HWCSession::DestroyVirtualDisplay(hwc2_device_t *device, hwc2_display_t display) {
SCOPE_LOCK(locker_);
if (!device || display != HWC_DISPLAY_VIRTUAL) {
return HWC2_ERROR_BAD_DISPLAY;
}
DLOGI("Destroying virtual display id:%" PRIu64, display);
auto *hwc_session = static_cast<HWCSession *>(device);
if (hwc_session->hwc_display_[display]) {
HWCDisplayVirtual::Destroy(hwc_session->hwc_display_[display]);
hwc_session->hwc_display_[display] = nullptr;
return HWC2_ERROR_NONE;
} else {
return HWC2_ERROR_BAD_DISPLAY;
}
}
void HWCSession::Dump(hwc2_device_t *device, uint32_t *out_size, char *out_buffer) {
SCOPE_LOCK(locker_);
if (!device || !out_size) {
return;
}
auto *hwc_session = static_cast<HWCSession *>(device);
const size_t max_dump_size = 8192;
if (out_buffer == nullptr) {
*out_size = max_dump_size;
} else {
char sdm_dump[4096];
DumpInterface::GetDump(sdm_dump, 4096); // TODO(user): Fix this workaround
std::string s("");
for (int id = HWC_DISPLAY_PRIMARY; id <= HWC_DISPLAY_VIRTUAL; id++) {
if (hwc_session->hwc_display_[id]) {
s += hwc_session->hwc_display_[id]->Dump();
}
}
s += sdm_dump;
auto copied = s.copy(out_buffer, std::min(s.size(), max_dump_size), 0);
*out_size = UINT32(copied);
}
}
static int32_t GetActiveConfig(hwc2_device_t *device, hwc2_display_t display,
hwc2_config_t *out_config) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetActiveConfig, out_config);
}
static int32_t GetChangedCompositionTypes(hwc2_device_t *device, hwc2_display_t display,
uint32_t *out_num_elements, hwc2_layer_t *out_layers,
int32_t *out_types) {
// null_ptr check only for out_num_elements, as out_layers and out_types can be null.
if (!out_num_elements) {
return HWC2_ERROR_BAD_PARAMETER;
}
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetChangedCompositionTypes,
out_num_elements, out_layers, out_types);
}
static int32_t GetClientTargetSupport(hwc2_device_t *device, hwc2_display_t display, uint32_t width,
uint32_t height, int32_t format, int32_t dataspace) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetClientTargetSupport,
width, height, format, dataspace);
}
static int32_t GetColorModes(hwc2_device_t *device, hwc2_display_t display, uint32_t *out_num_modes,
int32_t /*android_color_mode_t*/ *int_out_modes) {
auto out_modes = reinterpret_cast<android_color_mode_t *>(int_out_modes);
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetColorModes, out_num_modes,
out_modes);
}
static int32_t GetDisplayAttribute(hwc2_device_t *device, hwc2_display_t display,
hwc2_config_t config, int32_t int_attribute,
int32_t *out_value) {
auto attribute = static_cast<HWC2::Attribute>(int_attribute);
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetDisplayAttribute, config,
attribute, out_value);
}
static int32_t GetDisplayConfigs(hwc2_device_t *device, hwc2_display_t display,
uint32_t *out_num_configs, hwc2_config_t *out_configs) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetDisplayConfigs,
out_num_configs, out_configs);
}
static int32_t GetDisplayName(hwc2_device_t *device, hwc2_display_t display, uint32_t *out_size,
char *out_name) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetDisplayName, out_size,
out_name);
}
static int32_t GetDisplayRequests(hwc2_device_t *device, hwc2_display_t display,
int32_t *out_display_requests, uint32_t *out_num_elements,
hwc2_layer_t *out_layers, int32_t *out_layer_requests) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetDisplayRequests,
out_display_requests, out_num_elements, out_layers,
out_layer_requests);
}
static int32_t GetDisplayType(hwc2_device_t *device, hwc2_display_t display, int32_t *out_type) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetDisplayType, out_type);
}
static int32_t GetDozeSupport(hwc2_device_t *device, hwc2_display_t display, int32_t *out_support) {
if (display == HWC_DISPLAY_PRIMARY) {
*out_support = 1;
} else {
// TODO(user): Port over connect_display_ from HWC1
// Return no error for connected displays
*out_support = 0;
return HWC2_ERROR_BAD_DISPLAY;
}
return HWC2_ERROR_NONE;
}
static int32_t GetHdrCapabilities(hwc2_device_t* device, hwc2_display_t display,
uint32_t* out_num_types, int32_t* out_types,
float* out_max_luminance, float* out_max_average_luminance,
float* out_min_luminance) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetHdrCapabilities,
out_num_types, out_types, out_max_luminance,
out_max_average_luminance, out_min_luminance);
}
static uint32_t GetMaxVirtualDisplayCount(hwc2_device_t *device) {
char property[PROPERTY_VALUE_MAX];
property_get("debug.sdm.support_writeback", property, "1");
return (uint32_t) atoi(property);
}
static int32_t GetReleaseFences(hwc2_device_t *device, hwc2_display_t display,
uint32_t *out_num_elements, hwc2_layer_t *out_layers,
int32_t *out_fences) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::GetReleaseFences,
out_num_elements, out_layers, out_fences);
}
int32_t HWCSession::PresentDisplay(hwc2_device_t *device, hwc2_display_t display,
int32_t *out_retire_fence) {
HWCSession *hwc_session = static_cast<HWCSession *>(device);
DTRACE_SCOPED();
if (!device) {
return HWC2_ERROR_BAD_DISPLAY;
}
auto status = HWC2::Error::BadDisplay;
// TODO(user): Handle virtual display/HDMI concurrency
if (hwc_session->hwc_display_[display]) {
status = hwc_session->hwc_display_[display]->Present(out_retire_fence);
// This is only indicative of how many times SurfaceFlinger posts
// frames to the display.
CALC_FPS();
}
return INT32(status);
}
int32_t HWCSession::RegisterCallback(hwc2_device_t *device, int32_t descriptor,
hwc2_callback_data_t callback_data,
hwc2_function_pointer_t pointer) {
HWCSession *hwc_session = static_cast<HWCSession *>(device);
if (!device) {
return HWC2_ERROR_BAD_DISPLAY;
}
SCOPE_LOCK(hwc_session->callbacks_lock_);
auto desc = static_cast<HWC2::Callback>(descriptor);
auto error = hwc_session->callbacks_.Register(desc, callback_data, pointer);
DLOGD("Registering callback: %s", to_string(desc).c_str());
if (descriptor == HWC2_CALLBACK_HOTPLUG) {
if (hwc_session->hwc_display_[HWC_DISPLAY_PRIMARY] && !hwc_session->hdmi_is_primary_) {
hwc_session->callbacks_.Hotplug(HWC_DISPLAY_PRIMARY, HWC2::Connection::Connected);
}
}
hwc_session->callbacks_lock_.Broadcast();
return INT32(error);
}
static int32_t SetActiveConfig(hwc2_device_t *device, hwc2_display_t display,
hwc2_config_t config) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::SetActiveConfig, config);
}
static int32_t SetClientTarget(hwc2_device_t *device, hwc2_display_t display,
buffer_handle_t target, int32_t acquire_fence,
int32_t dataspace, hwc_region_t damage) {
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::SetClientTarget, target,
acquire_fence, dataspace, damage);
}
int32_t HWCSession::SetColorMode(hwc2_device_t *device, hwc2_display_t display,
int32_t /*android_color_mode_t*/ int_mode) {
auto mode = static_cast<android_color_mode_t>(int_mode);
SCOPE_LOCK(locker_);
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::SetColorMode, mode);
}
int32_t HWCSession::SetColorTransform(hwc2_device_t *device, hwc2_display_t display,
const float *matrix,
int32_t /*android_color_transform_t*/ hint) {
SCOPE_LOCK(locker_);
android_color_transform_t transform_hint = static_cast<android_color_transform_t>(hint);
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::SetColorTransform, matrix,
transform_hint);
}
static int32_t SetCursorPosition(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
int32_t x, int32_t y) {
auto status = INT32(HWC2::Error::None);
status = HWCSession::CallDisplayFunction(device, display, &HWCDisplay::SetCursorPosition,
layer, x, y);
if (status == INT32(HWC2::Error::None)) {
// Update cursor position
HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetCursorPosition, x, y);
}
return status;
}
static int32_t SetLayerBlendMode(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
int32_t int_mode) {
auto mode = static_cast<HWC2::BlendMode>(int_mode);
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerBlendMode, mode);
}
static int32_t SetLayerBuffer(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
buffer_handle_t buffer, int32_t acquire_fence) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerBuffer, buffer,
acquire_fence);
}
static int32_t SetLayerColor(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
hwc_color_t color) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerColor, color);
}
static int32_t SetLayerCompositionType(hwc2_device_t *device, hwc2_display_t display,
hwc2_layer_t layer, int32_t int_type) {
auto type = static_cast<HWC2::Composition>(int_type);
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerCompositionType,
type);
}
static int32_t SetLayerDataspace(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
int32_t dataspace) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerDataspace,
dataspace);
}
static int32_t SetLayerDisplayFrame(hwc2_device_t *device, hwc2_display_t display,
hwc2_layer_t layer, hwc_rect_t frame) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerDisplayFrame,
frame);
}
static int32_t SetLayerPlaneAlpha(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
float alpha) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerPlaneAlpha,
alpha);
}
static int32_t SetLayerSourceCrop(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
hwc_frect_t crop) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerSourceCrop, crop);
}
static int32_t SetLayerSurfaceDamage(hwc2_device_t *device, hwc2_display_t display,
hwc2_layer_t layer, hwc_region_t damage) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerSurfaceDamage,
damage);
}
static int32_t SetLayerTransform(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
int32_t int_transform) {
auto transform = static_cast<HWC2::Transform>(int_transform);
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerTransform,
transform);
}
static int32_t SetLayerVisibleRegion(hwc2_device_t *device, hwc2_display_t display,
hwc2_layer_t layer, hwc_region_t visible) {
return HWCSession::CallLayerFunction(device, display, layer, &HWCLayer::SetLayerVisibleRegion,
visible);
}
int32_t HWCSession::SetLayerZOrder(hwc2_device_t *device, hwc2_display_t display,
hwc2_layer_t layer, uint32_t z) {
SCOPE_LOCK(locker_);
return CallDisplayFunction(device, display, &HWCDisplay::SetLayerZOrder, layer, z);
}
int32_t HWCSession::SetOutputBuffer(hwc2_device_t *device, hwc2_display_t display,
buffer_handle_t buffer, int32_t releaseFence) {
if (!device) {
return HWC2_ERROR_BAD_DISPLAY;
}
if (display != HWC_DISPLAY_VIRTUAL) {
return HWC2_ERROR_UNSUPPORTED;
}
auto *hwc_session = static_cast<HWCSession *>(device);
if (hwc_session->hwc_display_[display]) {
auto vds = reinterpret_cast<HWCDisplayVirtual *>(hwc_session->hwc_display_[display]);
auto status = vds->SetOutputBuffer(buffer, releaseFence);
return INT32(status);
} else {
return HWC2_ERROR_BAD_DISPLAY;
}
}
int32_t HWCSession::SetPowerMode(hwc2_device_t *device, hwc2_display_t display, int32_t int_mode) {
auto mode = static_cast<HWC2::PowerMode>(int_mode);
SCOPE_LOCK(locker_);
return CallDisplayFunction(device, display, &HWCDisplay::SetPowerMode, mode);
}
static int32_t SetVsyncEnabled(hwc2_device_t *device, hwc2_display_t display, int32_t int_enabled) {
auto enabled = static_cast<HWC2::Vsync>(int_enabled);
return HWCSession::CallDisplayFunction(device, display, &HWCDisplay::SetVsyncEnabled, enabled);
}
int32_t HWCSession::ValidateDisplay(hwc2_device_t *device, hwc2_display_t display,
uint32_t *out_num_types, uint32_t *out_num_requests) {
DTRACE_SCOPED();
SCOPE_LOCK(locker_);
HWCSession *hwc_session = static_cast<HWCSession *>(device);
if (!device) {
return HWC2_ERROR_BAD_DISPLAY;
}
// TODO(user): Handle secure session, handle QDCM solid fill
// Handle external_pending_connect_ in CreateVirtualDisplay
auto status = HWC2::Error::BadDisplay;
if (hwc_session->hwc_display_[display]) {
if (display == HWC_DISPLAY_PRIMARY) {
// TODO(user): This can be moved to HWCDisplayPrimary
if (hwc_session->reset_panel_) {
DLOGW("panel is in bad state, resetting the panel");
hwc_session->ResetPanel();
}
if (hwc_session->need_invalidate_) {
hwc_session->Refresh(display);
}
if (hwc_session->color_mgr_) {
hwc_session->color_mgr_->SetColorModeDetailEnhancer(hwc_session->hwc_display_[display]);
}
}
status = hwc_session->hwc_display_[display]->Validate(out_num_types, out_num_requests);
}
return INT32(status);
}
hwc2_function_pointer_t HWCSession::GetFunction(struct hwc2_device *device,
int32_t int_descriptor) {
auto descriptor = static_cast<HWC2::FunctionDescriptor>(int_descriptor);
switch (descriptor) {
case HWC2::FunctionDescriptor::AcceptDisplayChanges:
return AsFP<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(HWCSession::AcceptDisplayChanges);
case HWC2::FunctionDescriptor::CreateLayer:
return AsFP<HWC2_PFN_CREATE_LAYER>(CreateLayer);
case HWC2::FunctionDescriptor::CreateVirtualDisplay:
return AsFP<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(HWCSession::CreateVirtualDisplay);
case HWC2::FunctionDescriptor::DestroyLayer:
return AsFP<HWC2_PFN_DESTROY_LAYER>(DestroyLayer);
case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
return AsFP<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(HWCSession::DestroyVirtualDisplay);
case HWC2::FunctionDescriptor::Dump:
return AsFP<HWC2_PFN_DUMP>(HWCSession::Dump);
case HWC2::FunctionDescriptor::GetActiveConfig:
return AsFP<HWC2_PFN_GET_ACTIVE_CONFIG>(GetActiveConfig);
case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
return AsFP<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(GetChangedCompositionTypes);
case HWC2::FunctionDescriptor::GetClientTargetSupport:
return AsFP<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(GetClientTargetSupport);
case HWC2::FunctionDescriptor::GetColorModes:
return AsFP<HWC2_PFN_GET_COLOR_MODES>(GetColorModes);
case HWC2::FunctionDescriptor::GetDisplayAttribute:
return AsFP<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(GetDisplayAttribute);
case HWC2::FunctionDescriptor::GetDisplayConfigs:
return AsFP<HWC2_PFN_GET_DISPLAY_CONFIGS>(GetDisplayConfigs);
case HWC2::FunctionDescriptor::GetDisplayName:
return AsFP<HWC2_PFN_GET_DISPLAY_NAME>(GetDisplayName);
case HWC2::FunctionDescriptor::GetDisplayRequests:
return AsFP<HWC2_PFN_GET_DISPLAY_REQUESTS>(GetDisplayRequests);
case HWC2::FunctionDescriptor::GetDisplayType:
return AsFP<HWC2_PFN_GET_DISPLAY_TYPE>(GetDisplayType);
case HWC2::FunctionDescriptor::GetHdrCapabilities:
return AsFP<HWC2_PFN_GET_HDR_CAPABILITIES>(GetHdrCapabilities);
case HWC2::FunctionDescriptor::GetDozeSupport:
return AsFP<HWC2_PFN_GET_DOZE_SUPPORT>(GetDozeSupport);
case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
return AsFP<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(GetMaxVirtualDisplayCount);
case HWC2::FunctionDescriptor::GetReleaseFences:
return AsFP<HWC2_PFN_GET_RELEASE_FENCES>(GetReleaseFences);
case HWC2::FunctionDescriptor::PresentDisplay:
return AsFP<HWC2_PFN_PRESENT_DISPLAY>(PresentDisplay);
case HWC2::FunctionDescriptor::RegisterCallback:
return AsFP<HWC2_PFN_REGISTER_CALLBACK>(RegisterCallback);
case HWC2::FunctionDescriptor::SetActiveConfig:
return AsFP<HWC2_PFN_SET_ACTIVE_CONFIG>(SetActiveConfig);
case HWC2::FunctionDescriptor::SetClientTarget:
return AsFP<HWC2_PFN_SET_CLIENT_TARGET>(SetClientTarget);
case HWC2::FunctionDescriptor::SetColorMode:
return AsFP<HWC2_PFN_SET_COLOR_MODE>(SetColorMode);
case HWC2::FunctionDescriptor::SetColorTransform:
return AsFP<HWC2_PFN_SET_COLOR_TRANSFORM>(SetColorTransform);
case HWC2::FunctionDescriptor::SetCursorPosition:
return AsFP<HWC2_PFN_SET_CURSOR_POSITION>(SetCursorPosition);
case HWC2::FunctionDescriptor::SetLayerBlendMode:
return AsFP<HWC2_PFN_SET_LAYER_BLEND_MODE>(SetLayerBlendMode);
case HWC2::FunctionDescriptor::SetLayerBuffer:
return AsFP<HWC2_PFN_SET_LAYER_BUFFER>(SetLayerBuffer);
case HWC2::FunctionDescriptor::SetLayerColor:
return AsFP<HWC2_PFN_SET_LAYER_COLOR>(SetLayerColor);
case HWC2::FunctionDescriptor::SetLayerCompositionType:
return AsFP<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(SetLayerCompositionType);
case HWC2::FunctionDescriptor::SetLayerDataspace:
return AsFP<HWC2_PFN_SET_LAYER_DATASPACE>(SetLayerDataspace);
case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
return AsFP<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(SetLayerDisplayFrame);
case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
return AsFP<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(SetLayerPlaneAlpha);
// Sideband stream is not supported
// case HWC2::FunctionDescriptor::SetLayerSidebandStream:
case HWC2::FunctionDescriptor::SetLayerSourceCrop:
return AsFP<HWC2_PFN_SET_LAYER_SOURCE_CROP>(SetLayerSourceCrop);
case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
return AsFP<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(SetLayerSurfaceDamage);
case HWC2::FunctionDescriptor::SetLayerTransform:
return AsFP<HWC2_PFN_SET_LAYER_TRANSFORM>(SetLayerTransform);
case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
return AsFP<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(SetLayerVisibleRegion);
case HWC2::FunctionDescriptor::SetLayerZOrder:
return AsFP<HWC2_PFN_SET_LAYER_Z_ORDER>(SetLayerZOrder);
case HWC2::FunctionDescriptor::SetOutputBuffer:
return AsFP<HWC2_PFN_SET_OUTPUT_BUFFER>(SetOutputBuffer);
case HWC2::FunctionDescriptor::SetPowerMode:
return AsFP<HWC2_PFN_SET_POWER_MODE>(SetPowerMode);
case HWC2::FunctionDescriptor::SetVsyncEnabled:
return AsFP<HWC2_PFN_SET_VSYNC_ENABLED>(SetVsyncEnabled);
case HWC2::FunctionDescriptor::ValidateDisplay:
return AsFP<HWC2_PFN_VALIDATE_DISPLAY>(HWCSession::ValidateDisplay);
default:
DLOGD("Unknown/Unimplemented function descriptor: %d (%s)", int_descriptor,
to_string(descriptor).c_str());
return nullptr;
}
return nullptr;
}
// TODO(user): handle locking
HWC2::Error HWCSession::CreateVirtualDisplayObject(uint32_t width, uint32_t height,
int32_t *format) {
if (hwc_display_[HWC_DISPLAY_VIRTUAL]) {
return HWC2::Error::NoResources;
}
auto status = HWCDisplayVirtual::Create(core_intf_, &buffer_allocator_, &callbacks_, width,
height, format, &hwc_display_[HWC_DISPLAY_VIRTUAL]);
// TODO(user): validate width and height support
if (status)
return HWC2::Error::Unsupported;
return HWC2::Error::None;
}
int32_t HWCSession::ConnectDisplay(int disp) {
DLOGI("Display = %d", disp);
int status = 0;
uint32_t primary_width = 0;
uint32_t primary_height = 0;
hwc_display_[HWC_DISPLAY_PRIMARY]->GetFrameBufferResolution(&primary_width, &primary_height);
if (disp == HWC_DISPLAY_EXTERNAL) {
status = HWCDisplayExternal::Create(core_intf_, &buffer_allocator_, &callbacks_, primary_width,
primary_height, qservice_, false, &hwc_display_[disp]);
} else {
DLOGE("Invalid display type");
return -1;
}
if (!status) {
hwc_display_[disp]->SetSecureDisplay(secure_display_active_);
}
return status;
}
int HWCSession::DisconnectDisplay(int disp) {
DLOGI("Display = %d", disp);
if (disp == HWC_DISPLAY_EXTERNAL) {
HWCDisplayExternal::Destroy(hwc_display_[disp]);
} else if (disp == HWC_DISPLAY_VIRTUAL) {
HWCDisplayVirtual::Destroy(hwc_display_[disp]);
} else {
DLOGE("Invalid display type");
return -1;
}
hwc_display_[disp] = NULL;
return 0;
}
// Qclient methods
android::status_t HWCSession::notifyCallback(uint32_t command, const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
android::status_t status = 0;
switch (command) {
case qService::IQService::DYNAMIC_DEBUG:
DynamicDebug(input_parcel);
break;
case qService::IQService::SCREEN_REFRESH:
refreshScreen();
break;
case qService::IQService::SET_IDLE_TIMEOUT:
setIdleTimeout(UINT32(input_parcel->readInt32()));
break;
case qService::IQService::SET_FRAME_DUMP_CONFIG:
SetFrameDumpConfig(input_parcel);
break;
case qService::IQService::SET_MAX_PIPES_PER_MIXER:
status = SetMaxMixerStages(input_parcel);
break;
case qService::IQService::SET_DISPLAY_MODE:
status = SetDisplayMode(input_parcel);
break;
case qService::IQService::SET_SECONDARY_DISPLAY_STATUS: {
int disp_id = INT(input_parcel->readInt32());
HWCDisplay::DisplayStatus disp_status =
static_cast<HWCDisplay::DisplayStatus>(input_parcel->readInt32());
status = SetSecondaryDisplayStatus(disp_id, disp_status);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::CONFIGURE_DYN_REFRESH_RATE:
status = ConfigureRefreshRate(input_parcel);
break;
case qService::IQService::SET_VIEW_FRAME:
break;
case qService::IQService::TOGGLE_SCREEN_UPDATES: {
int32_t input = input_parcel->readInt32();
status = toggleScreenUpdate(input == 1);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::QDCM_SVC_CMDS:
status = QdcmCMDHandler(input_parcel, output_parcel);
break;
case qService::IQService::MIN_HDCP_ENCRYPTION_LEVEL_CHANGED: {
int disp_id = input_parcel->readInt32();
uint32_t min_enc_level = UINT32(input_parcel->readInt32());
status = MinHdcpEncryptionLevelChanged(disp_id, min_enc_level);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::CONTROL_PARTIAL_UPDATE: {
int disp_id = input_parcel->readInt32();
uint32_t enable = UINT32(input_parcel->readInt32());
status = ControlPartialUpdate(disp_id, enable == 1);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::SET_ACTIVE_CONFIG: {
uint32_t config = UINT32(input_parcel->readInt32());
int disp_id = input_parcel->readInt32();
status = SetActiveConfigIndex(disp_id, config);
}
break;
case qService::IQService::GET_ACTIVE_CONFIG: {
int disp_id = input_parcel->readInt32();
uint32_t config = 0;
status = GetActiveConfigIndex(disp_id, &config);
output_parcel->writeInt32(INT(config));
}
break;
case qService::IQService::GET_CONFIG_COUNT: {
int disp_id = input_parcel->readInt32();
uint32_t count = 0;
status = GetConfigCount(disp_id, &count);
output_parcel->writeInt32(INT(count));
}
break;
case qService::IQService::GET_DISPLAY_ATTRIBUTES_FOR_CONFIG:
status = HandleGetDisplayAttributesForConfig(input_parcel, output_parcel);
break;
case qService::IQService::GET_PANEL_BRIGHTNESS: {
int level = 0;
status = GetPanelBrightness(&level);
output_parcel->writeInt32(level);
}
break;
case qService::IQService::SET_PANEL_BRIGHTNESS: {
uint32_t level = UINT32(input_parcel->readInt32());
status = setPanelBrightness(level);
output_parcel->writeInt32(status);
}
break;
case qService::IQService::GET_DISPLAY_VISIBLE_REGION:
status = GetVisibleDisplayRect(input_parcel, output_parcel);
break;
case qService::IQService::SET_CAMERA_STATUS: {
uint32_t camera_status = UINT32(input_parcel->readInt32());
status = setCameraLaunchStatus(camera_status);
}
break;
case qService::IQService::GET_BW_TRANSACTION_STATUS: {
bool state = true;
status = DisplayBWTransactionPending(&state);
output_parcel->writeInt32(state);
}
break;
case qService::IQService::SET_LAYER_MIXER_RESOLUTION:
status = SetMixerResolution(input_parcel);
break;
case qService::IQService::SET_COLOR_MODE:
status = SetColorModeOverride(input_parcel);
break;
case qService::IQService::SET_STAND_BY_MODE:
status = SetStandByMode(input_parcel);
break;
default:
DLOGW("QService command = %d is not supported", command);
return -EINVAL;
}
return status;
}
android::status_t HWCSession::HandleGetDisplayAttributesForConfig(const android::Parcel
*input_parcel,
android::Parcel *output_parcel) {
SCOPE_LOCK(locker_);
int config = input_parcel->readInt32();
int dpy = input_parcel->readInt32();
int error = android::BAD_VALUE;
DisplayConfigVariableInfo display_attributes;
if (dpy < HWC_DISPLAY_PRIMARY || dpy >= HWC_NUM_DISPLAY_TYPES || config < 0) {
return android::BAD_VALUE;
}
if (hwc_display_[dpy]) {
error = hwc_display_[dpy]->GetDisplayAttributesForConfig(config, &display_attributes);
if (error == 0) {
output_parcel->writeInt32(INT(display_attributes.vsync_period_ns));
output_parcel->writeInt32(INT(display_attributes.x_pixels));
output_parcel->writeInt32(INT(display_attributes.y_pixels));
output_parcel->writeFloat(display_attributes.x_dpi);
output_parcel->writeFloat(display_attributes.y_dpi);
output_parcel->writeInt32(0); // Panel type, unsupported.
}
}
return error;
}
android::status_t HWCSession::ConfigureRefreshRate(const android::Parcel *input_parcel) {
SCOPE_LOCK(locker_);
uint32_t operation = UINT32(input_parcel->readInt32());
HWCDisplay *hwc_display = hwc_display_[HWC_DISPLAY_PRIMARY];
switch (operation) {
case qdutils::DISABLE_METADATA_DYN_REFRESH_RATE:
return hwc_display->Perform(HWCDisplayPrimary::SET_METADATA_DYN_REFRESH_RATE, false);
case qdutils::ENABLE_METADATA_DYN_REFRESH_RATE:
return hwc_display->Perform(HWCDisplayPrimary::SET_METADATA_DYN_REFRESH_RATE, true);
case qdutils::SET_BINDER_DYN_REFRESH_RATE: {
uint32_t refresh_rate = UINT32(input_parcel->readInt32());
return hwc_display->Perform(HWCDisplayPrimary::SET_BINDER_DYN_REFRESH_RATE, refresh_rate);
}
default:
DLOGW("Invalid operation %d", operation);
return -EINVAL;
}
return 0;
}
android::status_t HWCSession::SetDisplayMode(const android::Parcel *input_parcel) {
SCOPE_LOCK(locker_);
uint32_t mode = UINT32(input_parcel->readInt32());
return hwc_display_[HWC_DISPLAY_PRIMARY]->Perform(HWCDisplayPrimary::SET_DISPLAY_MODE, mode);
}
android::status_t HWCSession::SetMaxMixerStages(const android::Parcel *input_parcel) {
SCOPE_LOCK(locker_);
DisplayError error = kErrorNone;
std::bitset<32> bit_mask_display_type = UINT32(input_parcel->readInt32());
uint32_t max_mixer_stages = UINT32(input_parcel->readInt32());
if (bit_mask_display_type[HWC_DISPLAY_PRIMARY]) {
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
error = hwc_display_[HWC_DISPLAY_PRIMARY]->SetMaxMixerStages(max_mixer_stages);
if (error != kErrorNone) {
return -EINVAL;
}
}
}
if (bit_mask_display_type[HWC_DISPLAY_EXTERNAL]) {
if (hwc_display_[HWC_DISPLAY_EXTERNAL]) {
error = hwc_display_[HWC_DISPLAY_EXTERNAL]->SetMaxMixerStages(max_mixer_stages);
if (error != kErrorNone) {
return -EINVAL;
}
}
}
if (bit_mask_display_type[HWC_DISPLAY_VIRTUAL]) {
if (hwc_display_[HWC_DISPLAY_VIRTUAL]) {
error = hwc_display_[HWC_DISPLAY_VIRTUAL]->SetMaxMixerStages(max_mixer_stages);
if (error != kErrorNone) {
return -EINVAL;
}
}
}
return 0;
}
void HWCSession::SetFrameDumpConfig(const android::Parcel *input_parcel) {
SCOPE_LOCK(locker_);
uint32_t frame_dump_count = UINT32(input_parcel->readInt32());
std::bitset<32> bit_mask_display_type = UINT32(input_parcel->readInt32());
uint32_t bit_mask_layer_type = UINT32(input_parcel->readInt32());
if (bit_mask_display_type[HWC_DISPLAY_PRIMARY]) {
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
hwc_display_[HWC_DISPLAY_PRIMARY]->SetFrameDumpConfig(frame_dump_count, bit_mask_layer_type);
}
}
if (bit_mask_display_type[HWC_DISPLAY_EXTERNAL]) {
if (hwc_display_[HWC_DISPLAY_EXTERNAL]) {
hwc_display_[HWC_DISPLAY_EXTERNAL]->SetFrameDumpConfig(frame_dump_count, bit_mask_layer_type);
}
}
if (bit_mask_display_type[HWC_DISPLAY_VIRTUAL]) {
if (hwc_display_[HWC_DISPLAY_VIRTUAL]) {
hwc_display_[HWC_DISPLAY_VIRTUAL]->SetFrameDumpConfig(frame_dump_count, bit_mask_layer_type);
}
}
}
android::status_t HWCSession::SetMixerResolution(const android::Parcel *input_parcel) {
SCOPE_LOCK(locker_);
DisplayError error = kErrorNone;
uint32_t dpy = UINT32(input_parcel->readInt32());
if (dpy != HWC_DISPLAY_PRIMARY) {
DLOGI("Resoulution change not supported for this display %d", dpy);
return -EINVAL;
}
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGI("Primary display is not initialized");
return -EINVAL;
}
uint32_t width = UINT32(input_parcel->readInt32());
uint32_t height = UINT32(input_parcel->readInt32());
error = hwc_display_[HWC_DISPLAY_PRIMARY]->SetMixerResolution(width, height);
if (error != kErrorNone) {
return -EINVAL;
}
return 0;
}
android::status_t HWCSession::SetColorModeOverride(const android::Parcel *input_parcel) {
auto display = static_cast<hwc2_display_t >(input_parcel->readInt32());
auto mode = static_cast<android_color_mode_t>(input_parcel->readInt32());
auto device = static_cast<hwc2_device_t *>(this);
if (display >= HWC_NUM_DISPLAY_TYPES) {
return -EINVAL;
}
auto err = CallDisplayFunction(device, display, &HWCDisplay::SetColorMode, mode);
if (err != HWC2_ERROR_NONE)
return -EINVAL;
return 0;
}
void HWCSession::DynamicDebug(const android::Parcel *input_parcel) {
SCOPE_LOCK(locker_);
int type = input_parcel->readInt32();
bool enable = (input_parcel->readInt32() > 0);
DLOGI("type = %d enable = %d", type, enable);
int verbose_level = input_parcel->readInt32();
switch (type) {
case qService::IQService::DEBUG_ALL:
HWCDebugHandler::DebugAll(enable, verbose_level);
break;
case qService::IQService::DEBUG_MDPCOMP:
HWCDebugHandler::DebugStrategy(enable, verbose_level);
HWCDebugHandler::DebugCompManager(enable, verbose_level);
break;
case qService::IQService::DEBUG_PIPE_LIFECYCLE:
HWCDebugHandler::DebugResources(enable, verbose_level);
break;
case qService::IQService::DEBUG_DRIVER_CONFIG:
HWCDebugHandler::DebugDriverConfig(enable, verbose_level);
break;
case qService::IQService::DEBUG_ROTATOR:
HWCDebugHandler::DebugResources(enable, verbose_level);
HWCDebugHandler::DebugDriverConfig(enable, verbose_level);
HWCDebugHandler::DebugRotator(enable, verbose_level);
break;
case qService::IQService::DEBUG_QDCM:
HWCDebugHandler::DebugQdcm(enable, verbose_level);
break;
default:
DLOGW("type = %d is not supported", type);
}
}
android::status_t HWCSession::QdcmCMDHandler(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
int ret = 0;
int32_t *brightness_value = NULL;
uint32_t display_id(0);
PPPendingParams pending_action;
PPDisplayAPIPayload resp_payload, req_payload;
if (!color_mgr_) {
return -1;
}
pending_action.action = kNoAction;
pending_action.params = NULL;
// Read display_id, payload_size and payload from in_parcel.
ret = HWCColorManager::CreatePayloadFromParcel(*input_parcel, &display_id, &req_payload);
if (!ret) {
if (HWC_DISPLAY_PRIMARY == display_id && hwc_display_[HWC_DISPLAY_PRIMARY])
ret = hwc_display_[HWC_DISPLAY_PRIMARY]->ColorSVCRequestRoute(req_payload, &resp_payload,
&pending_action);
if (HWC_DISPLAY_EXTERNAL == display_id && hwc_display_[HWC_DISPLAY_EXTERNAL])
ret = hwc_display_[HWC_DISPLAY_EXTERNAL]->ColorSVCRequestRoute(req_payload, &resp_payload,
&pending_action);
}
if (ret) {
output_parcel->writeInt32(ret); // first field in out parcel indicates return code.
req_payload.DestroyPayload();
resp_payload.DestroyPayload();
return ret;
}
switch (pending_action.action) {
case kInvalidating:
Refresh(HWC_DISPLAY_PRIMARY);
break;
case kEnterQDCMMode:
ret = color_mgr_->EnableQDCMMode(true, hwc_display_[HWC_DISPLAY_PRIMARY]);
break;
case kExitQDCMMode:
ret = color_mgr_->EnableQDCMMode(false, hwc_display_[HWC_DISPLAY_PRIMARY]);
break;
case kApplySolidFill:
ret =
color_mgr_->SetSolidFill(pending_action.params, true, hwc_display_[HWC_DISPLAY_PRIMARY]);
Refresh(HWC_DISPLAY_PRIMARY);
break;
case kDisableSolidFill:
ret =
color_mgr_->SetSolidFill(pending_action.params, false, hwc_display_[HWC_DISPLAY_PRIMARY]);
Refresh(HWC_DISPLAY_PRIMARY);
break;
case kSetPanelBrightness:
brightness_value = reinterpret_cast<int32_t *>(resp_payload.payload);
if (brightness_value == NULL) {
DLOGE("Brightness value is Null");
return -EINVAL;
}
if (HWC_DISPLAY_PRIMARY == display_id)
ret = hwc_display_[HWC_DISPLAY_PRIMARY]->SetPanelBrightness(*brightness_value);
break;
case kEnableFrameCapture:
ret = color_mgr_->SetFrameCapture(pending_action.params, true,
hwc_display_[HWC_DISPLAY_PRIMARY]);
Refresh(HWC_DISPLAY_PRIMARY);
break;
case kDisableFrameCapture:
ret = color_mgr_->SetFrameCapture(pending_action.params, false,
hwc_display_[HWC_DISPLAY_PRIMARY]);
break;
case kConfigureDetailedEnhancer:
ret = color_mgr_->SetDetailedEnhancer(pending_action.params,
hwc_display_[HWC_DISPLAY_PRIMARY]);
Refresh(HWC_DISPLAY_PRIMARY);
break;
case kNoAction:
break;
default:
DLOGW("Invalid pending action = %d!", pending_action.action);
break;
}
// for display API getter case, marshall returned params into out_parcel.
output_parcel->writeInt32(ret);
HWCColorManager::MarshallStructIntoParcel(resp_payload, output_parcel);
req_payload.DestroyPayload();
resp_payload.DestroyPayload();
hwc_display_[display_id]->ResetValidation();
return (ret ? -EINVAL : 0);
}
void HWCSession::UEventHandler(const char *uevent_data, int length) {
if (strcasestr(uevent_data, HWC_UEVENT_SWITCH_HDMI)) {
DLOGI("Uevent HDMI = %s", uevent_data);
int connected = GetEventValue(uevent_data, length, "SWITCH_STATE=");
if (connected >= 0) {
DLOGI("HDMI = %s", connected ? "connected" : "disconnected");
if (HotPlugHandler(connected) == -1) {
DLOGE("Failed handling Hotplug = %s", connected ? "connected" : "disconnected");
}
}
} else if (strcasestr(uevent_data, HWC_UEVENT_GRAPHICS_FB0)) {
DLOGI("Uevent FB0 = %s", uevent_data);
int panel_reset = GetEventValue(uevent_data, length, "PANEL_ALIVE=");
if (panel_reset == 0) {
Refresh(0);
reset_panel_ = true;
}
}
}
int HWCSession::GetEventValue(const char *uevent_data, int length, const char *event_info) {
const char *iterator_str = uevent_data;
while (((iterator_str - uevent_data) <= length) && (*iterator_str)) {
const char *pstr = strstr(iterator_str, event_info);
if (pstr != NULL) {
return (atoi(iterator_str + strlen(event_info)));
}
iterator_str += strlen(iterator_str) + 1;
}
return -1;
}
void HWCSession::ResetPanel() {
HWC2::Error status;
DLOGI("Powering off primary");
status = hwc_display_[HWC_DISPLAY_PRIMARY]->SetPowerMode(HWC2::PowerMode::Off);
if (status != HWC2::Error::None) {
DLOGE("power-off on primary failed with error = %d", status);
}
DLOGI("Restoring power mode on primary");
HWC2::PowerMode mode = hwc_display_[HWC_DISPLAY_PRIMARY]->GetLastPowerMode();
status = hwc_display_[HWC_DISPLAY_PRIMARY]->SetPowerMode(mode);
if (status != HWC2::Error::None) {
DLOGE("Setting power mode = %d on primary failed with error = %d", mode, status);
}
status = hwc_display_[HWC_DISPLAY_PRIMARY]->SetVsyncEnabled(HWC2::Vsync::Enable);
if (status != HWC2::Error::None) {
DLOGE("enabling vsync failed for primary with error = %d", status);
}
reset_panel_ = false;
}
int HWCSession::HotPlugHandler(bool connected) {
int status = 0;
bool notify_hotplug = false;
// To prevent sending events to client while a lock is held, acquire scope locks only within
// below scope so that those get automatically unlocked after the scope ends.
do {
SCOPE_LOCK(locker_);
// If HDMI is primary but not created yet (first time), create it and notify surfaceflinger.
// if it is already created, but got disconnected/connected again,
// just toggle display status and do not notify surfaceflinger.
// If HDMI is not primary, create/destroy external display normally.
if (hdmi_is_primary_) {
if (hwc_display_[HWC_DISPLAY_PRIMARY]) {
status = hwc_display_[HWC_DISPLAY_PRIMARY]->SetState(connected);
} else {
status = HWCDisplayExternal::Create(core_intf_, &buffer_allocator_, &callbacks_,
qservice_, &hwc_display_[HWC_DISPLAY_PRIMARY]);
notify_hotplug = true;
}
break;
}
// Primary display must be connected for HDMI as secondary cases.
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGE("Primary display is not connected.");
return -1;
}
if (connected) {
// Connect external display if virtual display is not connected.
// Else, defer external display connection and process it when virtual display
// tears down; Do not notify SurfaceFlinger since connection is deferred now.
if (!hwc_display_[HWC_DISPLAY_VIRTUAL]) {
status = ConnectDisplay(HWC_DISPLAY_EXTERNAL);
if (status) {
return status;
}
notify_hotplug = true;
} else {
DLOGI("Virtual display is connected, pending connection");
external_pending_connect_ = true;
}
} else {
// Do not return error if external display is not in connected status.
// Due to virtual display concurrency, external display connection might be still pending
// but hdmi got disconnected before pending connection could be processed.
if (hwc_display_[HWC_DISPLAY_EXTERNAL]) {
status = DisconnectDisplay(HWC_DISPLAY_EXTERNAL);
notify_hotplug = true;
}
external_pending_connect_ = false;
}
} while (0);
if (connected) {
Refresh(0);
if (!hdmi_is_primary_) {
// wait for sufficient time to ensure sufficient resources are available to process new
// new display connection.
uint32_t vsync_period = UINT32(GetVsyncPeriod(HWC_DISPLAY_PRIMARY));
usleep(vsync_period * 2 / 1000);
}
}
// notify client
if (notify_hotplug) {
HotPlug(hdmi_is_primary_ ? HWC_DISPLAY_PRIMARY : HWC_DISPLAY_EXTERNAL,
connected ? HWC2::Connection::Connected : HWC2::Connection::Disconnected);
}
qservice_->onHdmiHotplug(INT(connected));
return 0;
}
int HWCSession::GetVsyncPeriod(int disp) {
SCOPE_LOCK(locker_);
// default value
int32_t vsync_period = 1000000000l / 60;
auto attribute = HWC2::Attribute::VsyncPeriod;
if (hwc_display_[disp]) {
hwc_display_[disp]->GetDisplayAttribute(0, attribute, &vsync_period);
}
return vsync_period;
}
android::status_t HWCSession::GetVisibleDisplayRect(const android::Parcel *input_parcel,
android::Parcel *output_parcel) {
SCOPE_LOCK(locker_);
int dpy = input_parcel->readInt32();
if (dpy < HWC_DISPLAY_PRIMARY || dpy >= HWC_NUM_DISPLAY_TYPES) {
return android::BAD_VALUE;
}
if (!hwc_display_[dpy]) {
return android::NO_INIT;
}
hwc_rect_t visible_rect = {0, 0, 0, 0};
int error = hwc_display_[dpy]->GetVisibleDisplayRect(&visible_rect);
if (error < 0) {
return error;
}
output_parcel->writeInt32(visible_rect.left);
output_parcel->writeInt32(visible_rect.top);
output_parcel->writeInt32(visible_rect.right);
output_parcel->writeInt32(visible_rect.bottom);
return android::NO_ERROR;
}
android::status_t HWCSession::SetStandByMode(const android::Parcel *input_parcel) {
SCOPE_LOCK(locker_);
bool enable = (input_parcel->readInt32() > 0);
if (!hwc_display_[HWC_DISPLAY_PRIMARY]) {
DLOGI("Primary display is not initialized");
return -EINVAL;
}
hwc_display_[HWC_DISPLAY_PRIMARY]->SetStandByMode(enable);
return android::NO_ERROR;
}
void HWCSession::Refresh(hwc2_display_t display) {
SCOPE_LOCK(callbacks_lock_);
HWC2::Error err = callbacks_.Refresh(display);
while (err != HWC2::Error::None) {
callbacks_lock_.Wait();
err = callbacks_.Refresh(display);
}
}
void HWCSession::HotPlug(hwc2_display_t display, HWC2::Connection state) {
SCOPE_LOCK(callbacks_lock_);
HWC2::Error err = callbacks_.Hotplug(display, state);
while (err != HWC2::Error::None) {
callbacks_lock_.Wait();
err = callbacks_.Hotplug(display, state);
}
}
} // namespace sdm