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/*
* Copyright (c) 2014-2019, 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 <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"
using android::hardware::graphics::common::V1_2::ColorMode;
using android::hardware::graphics::common::V1_1::Dataspace;
using android::hardware::graphics::common::V1_1::RenderIntent;
using android::hardware::graphics::common::V1_2::Hdr;
namespace sdm {
class HWCToneMapper;
/* max customer extended render intent */
#define MAX_EXTENDED_RENDER_INTENT 0x1ff
// 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
};
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,
};
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);
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 std::string Dump();
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, int32_t acquire_fence,
bool post_processed_output, CWBClient client) {
return HWC2::Error::Unsupported;
}
virtual HWC2::Error GetReadbackBufferFence(int32_t *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;
}
// 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 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();
void SolidFillCommit();
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_; }
// 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, int32_t 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, HWC2::Attribute 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,
int32_t *out_fences);
virtual HWC2::Error Present(int32_t *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 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 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]);
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, int fence);
virtual HWC2::Error PrepareLayerStack(uint32_t *out_num_types, uint32_t *out_num_requests);
virtual HWC2::Error CommitLayerStack(void);
virtual HWC2::Error PostCommitLayerStack(int32_t *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);
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;
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;
bool animating_ = false;
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.
int fbt_release_fence_ = -1;
int release_fence_ = -1;
hwc2_config_t pending_config_index_ = 0;
bool game_supported_ = false;
};
inline int HWCDisplay::Perform(uint32_t operation, ...) {
return 0;
}
} // namespace sdm
#endif // __HWC_DISPLAY_H__