|  | /* | 
|  | * Copyright (c) 2014-2021, 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. | 
|  | */ | 
|  |  | 
|  | #ifndef __HWC_DISPLAY_H__ | 
|  | #define __HWC_DISPLAY_H__ | 
|  |  | 
|  | #include <QService.h> | 
|  | #include <aidl/com/google/hardware/pixel/display/BnDisplay.h> | 
|  | #include <android/hardware/graphics/common/1.2/types.h> | 
|  | #include <core/core_interface.h> | 
|  | #include <hardware/hwcomposer.h> | 
|  | #include <private/color_params.h> | 
|  | #include <qdMetaData.h> | 
|  | #include <sys/stat.h> | 
|  | #include <algorithm> | 
|  | #include <bitset> | 
|  | #include <map> | 
|  | #include <queue> | 
|  | #include <set> | 
|  | #include <string> | 
|  | #include <utility> | 
|  | #include <vector> | 
|  | #include "display_null.h" | 
|  | #include "histogram_collector.h" | 
|  | #include "hwc_buffer_allocator.h" | 
|  | #include "hwc_callbacks.h" | 
|  | #include "hwc_display_event_handler.h" | 
|  | #include "hwc_layers.h" | 
|  | #include "hwc_buffer_sync_handler.h" | 
|  |  | 
|  | using android::hardware::hidl_vec; | 
|  | using android::hardware::graphics::common::V1_1::Dataspace; | 
|  | using android::hardware::graphics::common::V1_1::RenderIntent; | 
|  | using android::hardware::graphics::common::V1_2::ColorMode; | 
|  | using android::hardware::graphics::common::V1_2::Hdr; | 
|  | namespace composer_V2_4 = ::android::hardware::graphics::composer::V2_4; | 
|  | using HwcAttribute = composer_V2_4::IComposerClient::Attribute; | 
|  | using VsyncPeriodChangeConstraints = composer_V2_4::IComposerClient::VsyncPeriodChangeConstraints; | 
|  | using VsyncPeriodChangeTimeline = composer_V2_4::VsyncPeriodChangeTimeline; | 
|  | using VsyncPeriodNanos = composer_V2_4::VsyncPeriodNanos; | 
|  | using HwcContentType = composer_V2_4::IComposerClient::ContentType; | 
|  | using HbmState = ::aidl::com::google::hardware::pixel::display::HbmState; | 
|  | using LbeState = ::aidl::com::google::hardware::pixel::display::LbeState; | 
|  |  | 
|  | namespace sdm { | 
|  |  | 
|  | class HWCToneMapper; | 
|  |  | 
|  | // Subclasses set this to their type. This has to be different from DisplayType. | 
|  | // This is to avoid RTTI and dynamic_cast | 
|  | enum DisplayClass { | 
|  | DISPLAY_CLASS_BUILTIN, | 
|  | DISPLAY_CLASS_PLUGGABLE, | 
|  | DISPLAY_CLASS_VIRTUAL, | 
|  | DISPLAY_CLASS_NULL | 
|  | }; | 
|  |  | 
|  | enum { | 
|  | INPUT_LAYER_DUMP, | 
|  | OUTPUT_LAYER_DUMP, | 
|  | }; | 
|  |  | 
|  | enum SecureSessionType { | 
|  | kSecureDisplay, | 
|  | kSecureCamera, | 
|  | kSecureMax, | 
|  | }; | 
|  |  | 
|  | // CWB client currently using the block | 
|  | enum CWBClient { | 
|  | kCWBClientNone,       // No client connected | 
|  | kCWBClientFrameDump,  // Dump to file | 
|  | kCWBClientColor,      // Internal client i.e. Color Manager | 
|  | kCWBClientExternal,   // External client calling through private APIs | 
|  | kCWBClientComposer,   // Client to HWC i.e. SurfaceFlinger | 
|  | }; | 
|  |  | 
|  | struct TransientRefreshRateInfo { | 
|  | uint32_t transient_vsync_period; | 
|  | int64_t vsync_applied_time; | 
|  | }; | 
|  |  | 
|  | class HWCColorMode { | 
|  | public: | 
|  | explicit HWCColorMode(DisplayInterface *display_intf); | 
|  | ~HWCColorMode() {} | 
|  | HWC2::Error Init(); | 
|  | HWC2::Error DeInit(); | 
|  | void Dump(std::ostringstream* os); | 
|  | uint32_t GetColorModeCount(); | 
|  | uint32_t GetRenderIntentCount(ColorMode mode); | 
|  | HWC2::Error GetColorModes(uint32_t *out_num_modes, ColorMode *out_modes); | 
|  | HWC2::Error GetRenderIntents(ColorMode mode, uint32_t *out_num_intents, RenderIntent *out_modes); | 
|  | HWC2::Error SetColorModeWithRenderIntent(ColorMode mode, RenderIntent intent); | 
|  | HWC2::Error SetColorModeById(int32_t color_mode_id); | 
|  | HWC2::Error SetColorModeFromClientApi(std::string mode_string); | 
|  | HWC2::Error SetColorTransform(const float *matrix, android_color_transform_t hint); | 
|  | HWC2::Error RestoreColorTransform(); | 
|  | ColorMode GetCurrentColorMode() { return current_color_mode_; } | 
|  | HWC2::Error ApplyCurrentColorModeWithRenderIntent(bool hdr_present); | 
|  | HWC2::Error CacheColorModeWithRenderIntent(ColorMode mode, RenderIntent intent); | 
|  |  | 
|  | private: | 
|  | static const uint32_t kColorTransformMatrixCount = 16; | 
|  | void PopulateColorModes(); | 
|  | template <class T> | 
|  | void CopyColorTransformMatrix(const T *input_matrix, double *output_matrix) { | 
|  | for (uint32_t i = 0; i < kColorTransformMatrixCount; i++) { | 
|  | output_matrix[i] = static_cast<double>(input_matrix[i]); | 
|  | } | 
|  | } | 
|  | HWC2::Error ValidateColorModeWithRenderIntent(ColorMode mode, RenderIntent intent); | 
|  | HWC2::Error SetPreferredColorModeInternal(const std::string &mode_string, bool from_client, | 
|  | ColorMode *color_mode, DynamicRangeType *dynamic_range); | 
|  |  | 
|  | DisplayInterface *display_intf_ = NULL; | 
|  | bool apply_mode_ = false; | 
|  | ColorMode current_color_mode_ = ColorMode::NATIVE; | 
|  | RenderIntent current_render_intent_ = RenderIntent::COLORIMETRIC; | 
|  | DynamicRangeType curr_dynamic_range_ = kSdrType; | 
|  | typedef std::map<DynamicRangeType, std::string> DynamicRangeMap; | 
|  | typedef std::map<RenderIntent, DynamicRangeMap> RenderIntentMap; | 
|  | // Initialize supported mode/render intent/dynamic range combination | 
|  | std::map<ColorMode, RenderIntentMap> color_mode_map_ = {}; | 
|  | double color_matrix_[kColorTransformMatrixCount] = { 1.0, 0.0, 0.0, 0.0, \ | 
|  | 0.0, 1.0, 0.0, 0.0, \ | 
|  | 0.0, 0.0, 1.0, 0.0, \ | 
|  | 0.0, 0.0, 0.0, 1.0 }; | 
|  | std::map<ColorMode, DynamicRangeMap> preferred_mode_ = {}; | 
|  | }; | 
|  |  | 
|  | class HWCDisplay : public DisplayEventHandler { | 
|  | public: | 
|  | enum DisplayStatus { | 
|  | kDisplayStatusInvalid = -1, | 
|  | kDisplayStatusOffline, | 
|  | kDisplayStatusOnline, | 
|  | kDisplayStatusPause, | 
|  | kDisplayStatusResume, | 
|  | }; | 
|  |  | 
|  | enum DisplayValidateState { | 
|  | kNormalValidate, | 
|  | kInternalValidate, | 
|  | kSkipValidate, | 
|  | }; | 
|  |  | 
|  | enum PanelGammaSource { | 
|  | kGammaDefault,      // Resotre gamma table to default | 
|  | kGammaCalibration,  // Update gamma table from calibration file | 
|  | }; | 
|  |  | 
|  | enum HbmClient { | 
|  | HWC = 0, | 
|  | APP, | 
|  | CLIENT_MAX, | 
|  | }; | 
|  |  | 
|  | struct HWCLayerStack { | 
|  | HWCLayer *client_target = nullptr;                   // Also known as framebuffer target | 
|  | std::map<hwc2_layer_t, HWCLayer *> layer_map;        // Look up by Id - TODO | 
|  | std::multiset<HWCLayer *, SortLayersByZ> layer_set;  // Maintain a set sorted by Z | 
|  | }; | 
|  |  | 
|  | virtual ~HWCDisplay() {} | 
|  | virtual int Init(); | 
|  | virtual int Deinit(); | 
|  |  | 
|  | // Framebuffer configurations | 
|  | virtual void SetIdleTimeoutMs(uint32_t timeout_ms); | 
|  | virtual HWC2::Error SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type, | 
|  | int32_t format, bool post_processed); | 
|  | virtual DisplayError SetMaxMixerStages(uint32_t max_mixer_stages); | 
|  | virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | virtual HWC2::PowerMode GetCurrentPowerMode(); | 
|  | virtual int SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels); | 
|  | virtual void GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels); | 
|  | virtual int SetDisplayStatus(DisplayStatus display_status); | 
|  | virtual int OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level); | 
|  | virtual int Perform(uint32_t operation, ...); | 
|  | virtual int HandleSecureSession(const std::bitset<kSecureMax> &secure_sessions, | 
|  | bool *power_on_pending, bool is_active_secure_display); | 
|  | virtual int GetActiveSecureSession(std::bitset<kSecureMax> *secure_sessions); | 
|  | virtual DisplayError SetMixerResolution(uint32_t width, uint32_t height); | 
|  | virtual DisplayError GetMixerResolution(uint32_t *width, uint32_t *height); | 
|  | virtual void GetPanelResolution(uint32_t *width, uint32_t *height); | 
|  | virtual DisplayError SetCurrentPanelGammaSource(enum PanelGammaSource /*source*/) { return kErrorNotSupported; } | 
|  | virtual PanelGammaSource GetCurrentPanelGammaSource() const { return kGammaDefault; }; | 
|  | virtual void Dump(std::ostringstream *os); | 
|  | virtual DisplayError TeardownConcurrentWriteback(void) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  |  | 
|  | // Captures frame output in the buffer specified by output_buffer_info. The API is | 
|  | // non-blocking and the client is expected to check operation status later on. | 
|  | // Returns -1 if the input is invalid. | 
|  | virtual int FrameCaptureAsync(const BufferInfo &output_buffer_info, bool post_processed) { | 
|  | return -1; | 
|  | } | 
|  | // Returns the status of frame capture operation requested with FrameCaptureAsync(). | 
|  | // -EAGAIN : No status obtain yet, call API again after another frame. | 
|  | // < 0 : Operation happened but failed. | 
|  | // 0 : Success. | 
|  | virtual int GetFrameCaptureStatus() { return -EAGAIN; } | 
|  |  | 
|  | virtual DisplayError SetDetailEnhancerConfig(const DisplayDetailEnhancerData &de_data) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | virtual HWC2::Error SetReadbackBuffer(const native_handle_t *buffer, | 
|  | shared_ptr<Fence> acquire_fence, | 
|  | bool post_processed_output, CWBClient client) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error GetReadbackBufferFence(shared_ptr<Fence> *release_fence) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  |  | 
|  | virtual HWC2::Error SetDisplayDppsAdROI(uint32_t h_start, uint32_t h_end, | 
|  | uint32_t v_start, uint32_t v_end, | 
|  | uint32_t factor_in, uint32_t factor_out) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error SetFrameTriggerMode(uint32_t mode) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  |  | 
|  | virtual bool IsSmartPanelConfig(uint32_t config_id) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | virtual bool HasSmartPanelConfig(void) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | virtual bool VsyncEnablePending() { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Display Configurations | 
|  | static uint32_t GetThrottlingRefreshRate() { return HWCDisplay::throttling_refresh_rate_; } | 
|  | static void SetThrottlingRefreshRate(uint32_t newRefreshRate) | 
|  | { HWCDisplay::throttling_refresh_rate_ = newRefreshRate; } | 
|  | virtual int SetActiveDisplayConfig(uint32_t config); | 
|  | virtual int GetActiveDisplayConfig(uint32_t *config); | 
|  | virtual int GetDisplayConfigCount(uint32_t *count); | 
|  | virtual int GetDisplayAttributesForConfig(int config, | 
|  | DisplayConfigVariableInfo *display_attributes); | 
|  | virtual int SetState(bool connected) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | virtual DisplayError SetStandByMode(bool enable) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | virtual DisplayError Flush() { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  |  | 
|  | uint32_t GetMaxRefreshRate() { return max_refresh_rate_; } | 
|  | int ToggleScreenUpdates(bool enable); | 
|  | int ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload, PPDisplayAPIPayload *out_payload, | 
|  | PPPendingParams *pending_action); | 
|  | void SolidFillPrepare(); | 
|  | DisplayClass GetDisplayClass(); | 
|  | int GetVisibleDisplayRect(hwc_rect_t *rect); | 
|  | void BuildLayerStack(void); | 
|  | void BuildSolidFillStack(void); | 
|  | HWCLayer *GetHWCLayer(hwc2_layer_t layer_id); | 
|  | void ResetValidation() { validated_ = false; } | 
|  | uint32_t GetGeometryChanges() { return geometry_changes_; } | 
|  | bool CanSkipValidate(); | 
|  | bool IsSkipValidateState() { return (validate_state_ == kSkipValidate); } | 
|  | bool IsInternalValidateState() { return (validated_ && (validate_state_ == kInternalValidate)); } | 
|  | void SetValidationState(DisplayValidateState state) { validate_state_ = state; } | 
|  | ColorMode GetCurrentColorMode() { | 
|  | return (color_mode_ ? color_mode_->GetCurrentColorMode() : ColorMode::SRGB); | 
|  | } | 
|  | bool HWCClientNeedsValidate() { | 
|  | return (has_client_composition_ || layer_stack_.flags.single_buffered_layer_present); | 
|  | } | 
|  | bool CheckResourceState(); | 
|  | virtual void SetFastPathComposition(bool enable) { fast_path_composition_ = enable; } | 
|  | virtual HWC2::Error SetColorModeFromClientApi(int32_t color_mode_id) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | bool IsFirstCommitDone() { return !first_cycle_; } | 
|  | virtual void ProcessActiveConfigChange(); | 
|  |  | 
|  | // HWC2 APIs | 
|  | virtual HWC2::Error AcceptDisplayChanges(void); | 
|  | virtual HWC2::Error GetActiveConfig(hwc2_config_t *out_config); | 
|  | virtual HWC2::Error SetActiveConfig(hwc2_config_t config); | 
|  | virtual HWC2::Error SetPanelLuminanceAttributes(float min_lum, float max_lum) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error SetClientTarget(buffer_handle_t target, shared_ptr<Fence> acquire_fence, | 
|  | int32_t dataspace, hwc_region_t damage); | 
|  | virtual HWC2::Error GetClientTarget(buffer_handle_t target, shared_ptr<Fence> acquire_fence, | 
|  | int32_t dataspace, hwc_region_t damage); | 
|  | virtual HWC2::Error SetColorMode(ColorMode mode) { return HWC2::Error::Unsupported; } | 
|  | virtual HWC2::Error SetColorModeWithRenderIntent(ColorMode mode, RenderIntent intent) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error SetColorModeById(int32_t color_mode_id) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error RestoreColorTransform() { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error SetColorTransform(const float *matrix, android_color_transform_t hint) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error HandleColorModeTransform(android_color_mode_t mode, | 
|  | android_color_transform_t hint, | 
|  | const double *matrix) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual DisplayError SetDynamicDSIClock(uint64_t bitclk) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | virtual DisplayError GetDynamicDSIClock(uint64_t *bitclk) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | virtual DisplayError GetSupportedDSIClock(std::vector<uint64_t> *bitclk) { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | virtual HWC2::Error UpdateDisplayId(hwc2_display_t id) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error SetPendingRefresh() { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error SetPanelBrightness(float brightness) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error GetPanelBrightness(float *brightness) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error GetPanelMaxBrightness(uint32_t *max_brightness_level) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual HWC2::Error GetDisplayConfigs(uint32_t *out_num_configs, hwc2_config_t *out_configs); | 
|  | virtual HWC2::Error GetDisplayAttribute(hwc2_config_t config, HwcAttribute attribute, | 
|  | int32_t *out_value); | 
|  | virtual HWC2::Error GetClientTargetSupport(uint32_t width, uint32_t height, int32_t format, | 
|  | int32_t dataspace); | 
|  | virtual HWC2::Error GetColorModes(uint32_t *outNumModes, ColorMode *outModes); | 
|  | virtual HWC2::Error GetRenderIntents(ColorMode mode, uint32_t *out_num_intents, | 
|  | RenderIntent *out_intents); | 
|  | virtual HWC2::Error GetChangedCompositionTypes(uint32_t *out_num_elements, | 
|  | hwc2_layer_t *out_layers, int32_t *out_types); | 
|  | virtual HWC2::Error GetDisplayRequests(int32_t *out_display_requests, uint32_t *out_num_elements, | 
|  | hwc2_layer_t *out_layers, int32_t *out_layer_requests); | 
|  | virtual HWC2::Error GetDisplayName(uint32_t *out_size, char *out_name); | 
|  | virtual HWC2::Error GetDisplayType(int32_t *out_type); | 
|  | virtual HWC2::Error SetCursorPosition(hwc2_layer_t layer, int x, int y); | 
|  | virtual HWC2::Error SetVsyncEnabled(HWC2::Vsync enabled); | 
|  | virtual HWC2::Error SetPowerMode(HWC2::PowerMode mode, bool teardown); | 
|  | virtual HWC2::Error UpdatePowerMode(HWC2::PowerMode mode) { | 
|  | return HWC2::Error::None; | 
|  | } | 
|  | virtual HWC2::Error CreateLayer(hwc2_layer_t *out_layer_id); | 
|  | virtual HWC2::Error DestroyLayer(hwc2_layer_t layer_id); | 
|  | virtual HWC2::Error SetLayerZOrder(hwc2_layer_t layer_id, uint32_t z); | 
|  | virtual HWC2::Error SetLayerType(hwc2_layer_t layer_id, IQtiComposerClient::LayerType type); | 
|  | virtual HWC2::Error Validate(uint32_t *out_num_types, uint32_t *out_num_requests) = 0; | 
|  | virtual HWC2::Error GetReleaseFences(uint32_t *out_num_elements, hwc2_layer_t *out_layers, | 
|  | std::vector<shared_ptr<Fence>> *out_fences); | 
|  | virtual HWC2::Error Present(shared_ptr<Fence> *out_retire_fence) = 0; | 
|  | virtual HWC2::Error GetHdrCapabilities(uint32_t *out_num_types, int32_t* out_types, | 
|  | float* out_max_luminance, | 
|  | float* out_max_average_luminance, | 
|  | float* out_min_luminance); | 
|  | virtual HWC2::Error GetPerFrameMetadataKeys(uint32_t *out_num_keys, | 
|  | PerFrameMetadataKey *out_keys); | 
|  | virtual HWC2::Error SetDisplayAnimating(bool animating) { | 
|  | animating_ = animating; | 
|  | validated_ = false; | 
|  | return HWC2::Error::None; | 
|  | } | 
|  | virtual HWC2::Error GetValidateDisplayOutput(uint32_t *out_num_types, uint32_t *out_num_requests); | 
|  | virtual bool IsDisplayCommandMode(); | 
|  | virtual HWC2::Error SetQSyncMode(QSyncMode qsync_mode) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual DisplayError ControlIdlePowerCollapse(bool enable, bool synchronous) { | 
|  | return kErrorNone; | 
|  | } | 
|  | virtual HWC2::Error GetDisplayIdentificationData(uint8_t *out_port, uint32_t *out_data_size, | 
|  | uint8_t *out_data); | 
|  | virtual HWC2::Error SetBLScale(uint32_t level) { | 
|  | return HWC2::Error::Unsupported; | 
|  | } | 
|  | virtual void GetLayerStack(HWCLayerStack *stack); | 
|  | virtual void SetLayerStack(HWCLayerStack *stack); | 
|  | virtual void PostPowerMode(); | 
|  | virtual HWC2::PowerMode GetPendingPowerMode() { | 
|  | return pending_power_mode_; | 
|  | } | 
|  | virtual void SetPendingPowerMode(HWC2::PowerMode mode) { | 
|  | pending_power_mode_ = mode; | 
|  | } | 
|  | virtual void ClearPendingPowerMode() { | 
|  | pending_power_mode_ = current_power_mode_; | 
|  | } | 
|  | virtual void NotifyClientStatus(bool connected) { client_connected_ = connected; } | 
|  | virtual bool IsQsyncCallbackNeeded(bool *qsync_enabled, int32_t *refresh_rate, | 
|  | int32_t *qsync_refresh_rate) { | 
|  | return false; | 
|  | } | 
|  | virtual int PostInit() { return 0; } | 
|  |  | 
|  | virtual HWC2::Error SetDisplayedContentSamplingEnabledVndService(bool enabled); | 
|  | virtual HWC2::Error SetDisplayedContentSamplingEnabled(int32_t enabled, uint8_t component_mask, | 
|  | uint64_t max_frames); | 
|  | virtual HWC2::Error GetDisplayedContentSamplingAttributes(int32_t *format, int32_t *dataspace, | 
|  | uint8_t *supported_components); | 
|  | virtual HWC2::Error GetDisplayedContentSample( | 
|  | uint64_t max_frames, uint64_t timestamp, uint64_t *numFrames, | 
|  | int32_t samples_size[NUM_HISTOGRAM_COLOR_COMPONENTS], | 
|  | uint64_t *samples[NUM_HISTOGRAM_COLOR_COMPONENTS]); | 
|  |  | 
|  | virtual HWC2::Error GetDisplayVsyncPeriod(VsyncPeriodNanos *vsync_period); | 
|  | virtual HWC2::Error SetDisplayVsyncPeriod(VsyncPeriodNanos vsync_period) { | 
|  | return HWC2::Error::None; | 
|  | } | 
|  |  | 
|  |  | 
|  | virtual HWC2::Error SetActiveConfigWithConstraints( | 
|  | hwc2_config_t config, const VsyncPeriodChangeConstraints *vsync_period_change_constraints, | 
|  | VsyncPeriodChangeTimeline *out_timeline); | 
|  | virtual HWC2::Error SetAutoLowLatencyMode(bool on) { return HWC2::Error::Unsupported; } | 
|  | virtual HWC2::Error GetSupportedContentTypes(hidl_vec<HwcContentType> *types); | 
|  | virtual HWC2::Error SetContentType(HwcContentType type); | 
|  |  | 
|  | HWC2::Error SetDisplayElapseTime(uint64_t time); | 
|  | virtual bool HasReadBackBufferSupport() { return false; } | 
|  | virtual bool IsDisplayIdle() { return false; }; | 
|  |  | 
|  | virtual bool IsHbmSupported() { return false; } | 
|  | virtual HWC2::Error SetHbm(HbmState state, HbmClient client) { return HWC2::Error::None; } | 
|  | virtual HbmState GetHbm() { return HbmState::OFF; } | 
|  |  | 
|  | protected: | 
|  | static uint32_t throttling_refresh_rate_; | 
|  | // Maximum number of layers supported by display manager. | 
|  | static const uint32_t kMaxLayerCount = 32; | 
|  | HWCDisplay(CoreInterface *core_intf, BufferAllocator *buffer_allocator, HWCCallbacks *callbacks, | 
|  | HWCDisplayEventHandler *event_handler, qService::QService *qservice, DisplayType type, | 
|  | hwc2_display_t id, int32_t sdm_id, DisplayClass display_class); | 
|  |  | 
|  | // DisplayEventHandler methods | 
|  | virtual DisplayError VSync(const DisplayEventVSync &vsync); | 
|  | virtual DisplayError Refresh(); | 
|  | virtual DisplayError CECMessage(char *message); | 
|  | virtual DisplayError HistogramEvent(int source_fd, uint32_t blob_id); | 
|  | virtual DisplayError HandleEvent(DisplayEvent event); | 
|  | virtual void DumpOutputBuffer(const BufferInfo &buffer_info, void *base, | 
|  | shared_ptr<Fence> &retire_fence); | 
|  | virtual HWC2::Error PrepareLayerStack(uint32_t *out_num_types, uint32_t *out_num_requests); | 
|  | virtual HWC2::Error CommitLayerStack(void); | 
|  | virtual HWC2::Error PostCommitLayerStack(shared_ptr<Fence> *out_retire_fence); | 
|  | virtual DisplayError DisablePartialUpdateOneFrame() { | 
|  | return kErrorNotSupported; | 
|  | } | 
|  | const char *GetDisplayString(); | 
|  | void MarkLayersForGPUBypass(void); | 
|  | void MarkLayersForClientComposition(void); | 
|  | void UpdateConfigs(); | 
|  | virtual void ApplyScanAdjustment(hwc_rect_t *display_frame); | 
|  | uint32_t GetUpdatingLayersCount(void); | 
|  | bool IsLayerUpdating(HWCLayer *layer); | 
|  | uint32_t SanitizeRefreshRate(uint32_t req_refresh_rate); | 
|  | virtual void GetUnderScanConfig() { } | 
|  | int32_t SetClientTargetDataSpace(int32_t dataspace); | 
|  | int SetFrameBufferConfig(uint32_t x_pixels, uint32_t y_pixels); | 
|  | int32_t GetDisplayConfigGroup(DisplayConfigGroupInfo variable_config); | 
|  | HWC2::Error GetVsyncPeriodByActiveConfig(VsyncPeriodNanos *vsync_period); | 
|  | bool GetTransientVsyncPeriod(VsyncPeriodNanos *vsync_period); | 
|  | std::tuple<int64_t, int64_t> RequestActiveConfigChange(hwc2_config_t config, | 
|  | VsyncPeriodNanos current_vsync_period, | 
|  | int64_t desired_time); | 
|  | std::tuple<int64_t, int64_t> EstimateVsyncPeriodChangeTimeline( | 
|  | VsyncPeriodNanos current_vsync_period, int64_t desired_time); | 
|  | void SubmitActiveConfigChange(VsyncPeriodNanos current_vsync_period); | 
|  | bool IsActiveConfigReadyToSubmit(int64_t time); | 
|  | bool IsActiveConfigApplied(int64_t time, int64_t vsync_applied_time); | 
|  | bool IsSameGroup(hwc2_config_t config_id1, hwc2_config_t config_id2); | 
|  | bool AllowSeamless(hwc2_config_t request_config); | 
|  | void SetVsyncsApplyRateChange(uint32_t vsyncs) { vsyncs_to_apply_rate_change_ = vsyncs; } | 
|  | HWC2::Error SubmitDisplayConfig(hwc2_config_t config); | 
|  | HWC2::Error GetCachedActiveConfig(hwc2_config_t *config); | 
|  | void SetActiveConfigIndex(int active_config_index); | 
|  | int GetActiveConfigIndex(); | 
|  |  | 
|  | bool validated_ = false; | 
|  | bool layer_stack_invalid_ = true; | 
|  | CoreInterface *core_intf_ = nullptr; | 
|  | HWCBufferAllocator *buffer_allocator_ = NULL; | 
|  | HWCCallbacks *callbacks_  = nullptr; | 
|  | HWCDisplayEventHandler *event_handler_ = nullptr; | 
|  | DisplayType type_ = kDisplayTypeMax; | 
|  | hwc2_display_t id_ = UINT64_MAX; | 
|  | int32_t sdm_id_ = -1; | 
|  | DisplayInterface *display_intf_ = NULL; | 
|  | LayerStack layer_stack_; | 
|  | HWCLayer *client_target_ = nullptr;                   // Also known as framebuffer target | 
|  | std::map<hwc2_layer_t, HWCLayer *> layer_map_;        // Look up by Id - TODO | 
|  | std::multiset<HWCLayer *, SortLayersByZ> layer_set_;  // Maintain a set sorted by Z | 
|  | std::map<hwc2_layer_t, HWC2::Composition> layer_changes_; | 
|  | std::map<hwc2_layer_t, HWC2::LayerRequest> layer_requests_; | 
|  | bool flush_on_error_ = false; | 
|  | bool flush_ = false; | 
|  | uint32_t dump_frame_count_ = 0; | 
|  | uint32_t dump_frame_index_ = 0; | 
|  | bool dump_input_layers_ = false; | 
|  | HWC2::PowerMode current_power_mode_ = HWC2::PowerMode::Off; | 
|  | HWC2::PowerMode pending_power_mode_ = HWC2::PowerMode::Off; | 
|  | bool swap_interval_zero_ = false; | 
|  | bool display_paused_ = false; | 
|  | uint32_t min_refresh_rate_ = 0; | 
|  | uint32_t max_refresh_rate_ = 0; | 
|  | uint32_t current_refresh_rate_ = 0; | 
|  | bool use_metadata_refresh_rate_ = false; | 
|  | uint32_t metadata_refresh_rate_ = 0; | 
|  | uint32_t force_refresh_rate_ = 0; | 
|  | bool boot_animation_completed_ = false; | 
|  | bool shutdown_pending_ = false; | 
|  | std::bitset<kSecureMax> active_secure_sessions_ = 0; | 
|  | bool solid_fill_enable_ = false; | 
|  | Layer *solid_fill_layer_ = NULL; | 
|  | LayerRect solid_fill_rect_ = {}; | 
|  | LayerSolidFill solid_fill_color_ = {}; | 
|  | LayerRect display_rect_; | 
|  | bool color_tranform_failed_ = false; | 
|  | HWCColorMode *color_mode_ = NULL; | 
|  | HWCToneMapper *tone_mapper_ = nullptr; | 
|  | uint32_t num_configs_ = 0; | 
|  | int disable_hdr_handling_ = 0;  // disables HDR handling. | 
|  | bool pending_commit_ = false; | 
|  | bool is_cmd_mode_ = false; | 
|  | bool partial_update_enabled_ = false; | 
|  | bool fast_path_composition_ = false; | 
|  | bool skip_commit_ = false; | 
|  | std::map<uint32_t, DisplayConfigVariableInfo> variable_config_map_; | 
|  | std::vector<uint32_t> hwc_config_map_; | 
|  | bool client_connected_ = true; | 
|  | bool pending_config_ = false; | 
|  | bool has_client_composition_ = false; | 
|  | uint32_t vsyncs_to_apply_rate_change_ = 1; | 
|  | hwc2_config_t pending_refresh_rate_config_ = UINT_MAX; | 
|  | int64_t pending_refresh_rate_refresh_time_ = INT64_MAX; | 
|  | int64_t pending_refresh_rate_applied_time_ = INT64_MAX; | 
|  | std::deque<TransientRefreshRateInfo> transient_refresh_rate_info_; | 
|  | std::mutex transient_refresh_rate_lock_; | 
|  | std::mutex active_config_lock_; | 
|  | int active_config_index_ = -1; | 
|  | float hdr_largest_layer_px_ = 0.0f; | 
|  | LayerRect window_rect_ = {}; | 
|  | bool windowed_display_ = false; | 
|  | uint32_t active_refresh_rate_ = 0; | 
|  | bool animating_ = false; | 
|  | buffer_handle_t client_target_handle_ = 0; | 
|  | shared_ptr<Fence> client_acquire_fence_ = nullptr; | 
|  | int32_t client_dataspace_ = 0; | 
|  | hwc_region_t client_damage_region_ = {}; | 
|  | bool display_idle_ = false; | 
|  |  | 
|  | private: | 
|  | void DumpInputBuffers(void); | 
|  | bool CanSkipSdmPrepare(uint32_t *num_types, uint32_t *num_requests); | 
|  | void UpdateRefreshRate(); | 
|  | void WaitOnPreviousFence(); | 
|  | void UpdateActiveConfig(); | 
|  | qService::QService *qservice_ = NULL; | 
|  | DisplayClass display_class_; | 
|  | uint32_t geometry_changes_ = GeometryChanges::kNone; | 
|  | uint32_t geometry_changes_on_doze_suspend_ = GeometryChanges::kNone; | 
|  | int null_display_mode_ = 0; | 
|  | DisplayValidateState validate_state_ = kNormalValidate; | 
|  | bool fast_path_enabled_ = true; | 
|  | bool first_cycle_ = true;  // false if a display commit has succeeded on the device. | 
|  | shared_ptr<Fence> fbt_release_fence_ = nullptr; | 
|  | shared_ptr<Fence> release_fence_ = nullptr; | 
|  | hwc2_config_t pending_config_index_ = 0; | 
|  | bool pending_first_commit_config_ = false; | 
|  | hwc2_config_t pending_first_commit_config_index_ = 0; | 
|  | bool game_supported_ = false; | 
|  | uint64_t elapse_timestamp_ = 0; | 
|  | int async_power_mode_ = 0; | 
|  | }; | 
|  |  | 
|  | inline int HWCDisplay::Perform(uint32_t operation, ...) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | }  // namespace sdm | 
|  |  | 
|  | #endif  // __HWC_DISPLAY_H__ |