201 lines
9.4 KiB
C++
201 lines
9.4 KiB
C++
/*
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* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.
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* Not a Contribution.
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*
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* Copyright 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __HWC_SESSION_H__
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#define __HWC_SESSION_H__
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#include <core/core_interface.h>
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#include <utils/locker.h>
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#include "hwc_callbacks.h"
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#include "hwc_layers.h"
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#include "hwc_display.h"
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#include "hwc_display_primary.h"
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#include "hwc_display_external.h"
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#include "hwc_display_virtual.h"
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#include "hwc_color_manager.h"
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#include "hwc_socket_handler.h"
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namespace sdm {
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class HWCSession : hwc2_device_t, public qClient::BnQClient {
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public:
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struct HWCModuleMethods : public hw_module_methods_t {
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HWCModuleMethods() { hw_module_methods_t::open = HWCSession::Open; }
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};
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explicit HWCSession(const hw_module_t *module);
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int Init();
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int Deinit();
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HWC2::Error CreateVirtualDisplayObject(uint32_t width, uint32_t height, int32_t *format);
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template <typename... Args>
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static int32_t CallDisplayFunction(hwc2_device_t *device, hwc2_display_t display,
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HWC2::Error (HWCDisplay::*member)(Args...), Args... args) {
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if (!device) {
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return HWC2_ERROR_BAD_DISPLAY;
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}
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HWCSession *hwc_session = static_cast<HWCSession *>(device);
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auto status = HWC2::Error::BadDisplay;
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if (display < HWC_NUM_DISPLAY_TYPES && hwc_session->hwc_display_[display]) {
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auto hwc_display = hwc_session->hwc_display_[display];
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status = (hwc_display->*member)(std::forward<Args>(args)...);
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}
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return INT32(status);
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}
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template <typename... Args>
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static int32_t CallLayerFunction(hwc2_device_t *device, hwc2_display_t display,
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hwc2_layer_t layer, HWC2::Error (HWCLayer::*member)(Args...),
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Args... args) {
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if (!device) {
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return HWC2_ERROR_BAD_DISPLAY;
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}
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HWCSession *hwc_session = static_cast<HWCSession *>(device);
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auto status = HWC2::Error::BadDisplay;
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if (display < HWC_NUM_DISPLAY_TYPES && hwc_session->hwc_display_[display]) {
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status = HWC2::Error::BadLayer;
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auto hwc_layer = hwc_session->hwc_display_[display]->GetHWCLayer(layer);
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if (hwc_layer != nullptr) {
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status = (hwc_layer->*member)(std::forward<Args>(args)...);
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if (hwc_session->hwc_display_[display]->geometry_changes_) {
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hwc_session->hwc_display_[display]->validated_ = false;
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}
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}
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}
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return INT32(status);
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}
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// HWC2 Functions that require a concrete implementation in hwc session
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// and hence need to be member functions
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static int32_t AcceptDisplayChanges(hwc2_device_t *device, hwc2_display_t display);
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static int32_t CreateLayer(hwc2_device_t *device, hwc2_display_t display,
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hwc2_layer_t *out_layer_id);
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static int32_t CreateVirtualDisplay(hwc2_device_t *device, uint32_t width, uint32_t height,
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int32_t *format, hwc2_display_t *out_display_id);
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static int32_t DestroyLayer(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer);
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static int32_t DestroyVirtualDisplay(hwc2_device_t *device, hwc2_display_t display);
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static void Dump(hwc2_device_t *device, uint32_t *out_size, char *out_buffer);
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static int32_t PresentDisplay(hwc2_device_t *device, hwc2_display_t display,
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int32_t *out_retire_fence);
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static int32_t RegisterCallback(hwc2_device_t *device, int32_t descriptor,
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hwc2_callback_data_t callback_data,
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hwc2_function_pointer_t pointer);
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static int32_t SetOutputBuffer(hwc2_device_t *device, hwc2_display_t display,
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buffer_handle_t buffer, int32_t releaseFence);
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static int32_t SetLayerZOrder(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer,
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uint32_t z);
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static int32_t SetPowerMode(hwc2_device_t *device, hwc2_display_t display, int32_t int_mode);
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static int32_t ValidateDisplay(hwc2_device_t *device, hwc2_display_t display,
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uint32_t *out_num_types, uint32_t *out_num_requests);
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static int32_t SetColorMode(hwc2_device_t *device, hwc2_display_t display,
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int32_t /*android_color_mode_t*/ int_mode);
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static int32_t SetColorTransform(hwc2_device_t *device, hwc2_display_t display,
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const float *matrix, int32_t /*android_color_transform_t*/ hint);
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private:
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static const int kExternalConnectionTimeoutMs = 500;
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static const int kPartialUpdateControlTimeoutMs = 100;
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// hwc methods
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static int Open(const hw_module_t *module, const char *name, hw_device_t **device);
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static int Close(hw_device_t *device);
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static void GetCapabilities(struct hwc2_device *device, uint32_t *outCount,
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int32_t *outCapabilities);
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static hwc2_function_pointer_t GetFunction(struct hwc2_device *device, int32_t descriptor);
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// Uevent thread
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static void *HWCUeventThread(void *context);
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void *HWCUeventThreadHandler();
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int GetEventValue(const char *uevent_data, int length, const char *event_info);
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int HotPlugHandler(bool connected);
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void ResetPanel();
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int32_t ConnectDisplay(int disp);
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int DisconnectDisplay(int disp);
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int GetVsyncPeriod(int disp);
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// QClient methods
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virtual android::status_t notifyCallback(uint32_t command, const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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void DynamicDebug(const android::Parcel *input_parcel);
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void SetFrameDumpConfig(const android::Parcel *input_parcel);
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android::status_t SetMaxMixerStages(const android::Parcel *input_parcel);
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android::status_t SetDisplayMode(const android::Parcel *input_parcel);
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android::status_t SetSecondaryDisplayStatus(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t ToggleScreenUpdates(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t ConfigureRefreshRate(const android::Parcel *input_parcel);
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android::status_t QdcmCMDHandler(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t ControlPartialUpdate(const android::Parcel *input_parcel, android::Parcel *out);
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android::status_t OnMinHdcpEncryptionLevelChange(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t SetPanelBrightness(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t GetPanelBrightness(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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// These functions return the actual display config info as opposed to FB
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android::status_t HandleSetActiveDisplayConfig(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t HandleGetActiveDisplayConfig(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t HandleGetDisplayConfigCount(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t HandleGetDisplayAttributesForConfig(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t GetVisibleDisplayRect(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t SetDynamicBWForCamera(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t GetBWTransactionStatus(const android::Parcel *input_parcel,
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android::Parcel *output_parcel);
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android::status_t SetMixerResolution(const android::Parcel *input_parcel);
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android::status_t SetColorModeOverride(const android::Parcel *input_parcel);
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android::status_t SetColorModeById(const android::Parcel *input_parcel);
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static Locker locker_;
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CoreInterface *core_intf_ = NULL;
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HWCDisplay *hwc_display_[HWC_NUM_DISPLAY_TYPES] = {NULL};
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HWCCallbacks callbacks_;
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pthread_t uevent_thread_;
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bool uevent_thread_exit_ = false;
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const char *uevent_thread_name_ = "HWC_UeventThread";
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HWCBufferAllocator *buffer_allocator_;
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HWCBufferSyncHandler buffer_sync_handler_;
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HWCColorManager *color_mgr_ = NULL;
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bool reset_panel_ = false;
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bool secure_display_active_ = false;
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bool external_pending_connect_ = false;
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bool new_bw_mode_ = false;
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bool need_invalidate_ = false;
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int bw_mode_release_fd_ = -1;
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qService::QService *qservice_ = NULL;
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HWCSocketHandler socket_handler_;
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};
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} // namespace sdm
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#endif // __HWC_SESSION_H__
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