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PL286/hardware/qcom/display/sdm845/sdm/libs/hwc2/hwc_display.cpp

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/*
* Copyright (c) 2014-2017, 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 <cutils/properties.h>
#include <errno.h>
#include <math.h>
#include <sync/sync.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <utils/constants.h>
#include <utils/debug.h>
#include <utils/formats.h>
#include <utils/rect.h>
#include <qd_utils.h>
#include <algorithm>
#include <iomanip>
#include <map>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
#include "hwc_display.h"
#include "hwc_debugger.h"
#include "blit_engine_c2d.h"
#include "hwc_tonemapper.h"
#ifndef USE_GRALLOC1
#include <gr.h>
#endif
#ifdef QTI_BSP
#include <hardware/display_defs.h>
#endif
#define __CLASS__ "HWCDisplay"
namespace sdm {
// This weight function is needed because the color primaries are not sorted by gamut size
static ColorPrimaries WidestPrimaries(ColorPrimaries p1, ColorPrimaries p2) {
int weight = 10;
int lp1 = p1, lp2 = p2;
// TODO(user) add weight to other wide gamut primaries
if (lp1 == ColorPrimaries_BT2020) {
lp1 *= weight;
}
if (lp1 == ColorPrimaries_BT2020) {
lp2 *= weight;
}
if (lp1 >= lp2) {
return p1;
} else {
return p2;
}
}
HWCColorMode::HWCColorMode(DisplayInterface *display_intf) : display_intf_(display_intf) {}
HWC2::Error HWCColorMode::Init() {
PopulateColorModes();
return ApplyDefaultColorMode();
}
HWC2::Error HWCColorMode::DeInit() {
color_mode_transform_map_.clear();
return HWC2::Error::None;
}
uint32_t HWCColorMode::GetColorModeCount() {
uint32_t count = UINT32(color_mode_transform_map_.size());
DLOGI("Supported color mode count = %d", count);
return std::max(1U, count);
}
HWC2::Error HWCColorMode::GetColorModes(uint32_t *out_num_modes,
android_color_mode_t *out_modes) {
auto it = color_mode_transform_map_.begin();
for (auto i = 0; it != color_mode_transform_map_.end(); it++, i++) {
out_modes[i] = it->first;
DLOGI("Supports color mode[%d] = %d", i, it->first);
}
*out_num_modes = UINT32(color_mode_transform_map_.size());
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::SetColorMode(android_color_mode_t mode) {
// first mode in 2D matrix is the mode (identity)
if (color_mode_transform_map_.find(mode) == color_mode_transform_map_.end()) {
DLOGE("Could not find mode: %d", mode);
return HWC2::Error::BadParameter;
}
auto status = HandleColorModeTransform(mode, current_color_transform_, color_matrix_);
if (status != HWC2::Error::None) {
DLOGE("failed for mode = %d", mode);
}
return status;
}
HWC2::Error HWCColorMode::SetColorModeById(int32_t color_mode_id) {
DLOGI("Applying mode: %d", color_mode_id);
DisplayError error = display_intf_->SetColorModeById(color_mode_id);
if (error != kErrorNone) {
return HWC2::Error::BadParameter;
}
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::SetColorTransform(const float *matrix, android_color_transform_t hint) {
if (!matrix) {
return HWC2::Error::BadParameter;
}
double color_matrix[kColorTransformMatrixCount] = {0};
CopyColorTransformMatrix(matrix, color_matrix);
auto status = HandleColorModeTransform(current_color_mode_, hint, color_matrix);
if (status != HWC2::Error::None) {
DLOGE("failed for hint = %d", hint);
}
return status;
}
HWC2::Error HWCColorMode::HandleColorModeTransform(android_color_mode_t mode,
android_color_transform_t hint,
const double *matrix) {
android_color_transform_t transform_hint = hint;
std::string color_mode_transform;
bool use_matrix = false;
if (hint != HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX) {
// if the mode + transfrom request from HWC matches one mode in SDM, set that
if (color_mode_transform.empty()) {
transform_hint = HAL_COLOR_TRANSFORM_IDENTITY;
use_matrix = true;
} else {
color_mode_transform = color_mode_transform_map_[mode][hint];
}
} else {
use_matrix = true;
transform_hint = HAL_COLOR_TRANSFORM_IDENTITY;
}
// if the mode count is 1, then only native mode is supported, so just apply matrix w/o
// setting mode
if (color_mode_transform_map_.size() > 1U) {
color_mode_transform = color_mode_transform_map_[mode][transform_hint];
DisplayError error = display_intf_->SetColorMode(color_mode_transform);
if (error != kErrorNone) {
DLOGE("Failed to set color_mode = %d transform_hint = %d", mode, hint);
// failure to force client composition
return HWC2::Error::Unsupported;
}
}
if (use_matrix) {
DisplayError error = display_intf_->SetColorTransform(kColorTransformMatrixCount, matrix);
if (error != kErrorNone) {
DLOGE("Failed to set Color Transform Matrix");
// failure to force client composition
return HWC2::Error::Unsupported;
}
}
current_color_mode_ = mode;
current_color_transform_ = hint;
CopyColorTransformMatrix(matrix, color_matrix_);
DLOGI("Setting Color Mode = %d Transform Hint = %d Success", mode, hint);
return HWC2::Error::None;
}
void HWCColorMode::PopulateColorModes() {
uint32_t color_mode_count = 0;
// SDM returns modes which is string combination of mode + transform.
DisplayError error = display_intf_->GetColorModeCount(&color_mode_count);
if (error != kErrorNone || (color_mode_count == 0)) {
DLOGW("GetColorModeCount failed, use native color mode");
PopulateTransform(HAL_COLOR_MODE_NATIVE, "native", "identity");
return;
}
DLOGV_IF(kTagQDCM, "Color Modes supported count = %d", color_mode_count);
const std::string color_transform = "identity";
std::vector<std::string> color_modes(color_mode_count);
error = display_intf_->GetColorModes(&color_mode_count, &color_modes);
for (uint32_t i = 0; i < color_mode_count; i++) {
std::string &mode_string = color_modes.at(i);
DLOGV_IF(kTagQDCM, "Color Mode[%d] = %s", i, mode_string.c_str());
AttrVal attr;
error = display_intf_->GetColorModeAttr(mode_string, &attr);
if (!attr.empty()) {
std::string color_gamut, dynamic_range, pic_quality;
for (auto &it : attr) {
if (it.first.find(kColorGamutAttribute) != std::string::npos) {
color_gamut = it.second;
} else if (it.first.find(kDynamicRangeAttribute) != std::string::npos) {
dynamic_range = it.second;
} else if (it.first.find(kPictureQualityAttribute) != std::string::npos) {
pic_quality = it.second;
}
}
if (dynamic_range == kHdr) {
continue;
}
if ((color_gamut == kNative) &&
(pic_quality.empty() || pic_quality == kStandard)) {
PopulateTransform(HAL_COLOR_MODE_NATIVE, mode_string, color_transform);
} else if ((color_gamut == kSrgb) &&
(pic_quality.empty() || pic_quality == kStandard)) {
PopulateTransform(HAL_COLOR_MODE_SRGB, mode_string, color_transform);
} else if ((color_gamut == kDcip3) &&
(pic_quality.empty() || pic_quality == kStandard)) {
PopulateTransform(HAL_COLOR_MODE_DCI_P3, mode_string, color_transform);
} else if ((color_gamut == kDisplayP3) &&
(pic_quality.empty() || pic_quality == kStandard)) {
PopulateTransform(HAL_COLOR_MODE_DISPLAY_P3, mode_string, color_transform);
}
} else {
if (mode_string.find("hal_native") != std::string::npos) {
PopulateTransform(HAL_COLOR_MODE_NATIVE, mode_string, mode_string);
} else if (mode_string.find("hal_srgb") != std::string::npos) {
PopulateTransform(HAL_COLOR_MODE_SRGB, mode_string, mode_string);
} else if (mode_string.find("hal_adobe") != std::string::npos) {
PopulateTransform(HAL_COLOR_MODE_ADOBE_RGB, mode_string, mode_string);
} else if (mode_string.find("hal_dci_p3") != std::string::npos) {
PopulateTransform(HAL_COLOR_MODE_DCI_P3, mode_string, mode_string);
} else if (mode_string.find("hal_display_p3") != std::string::npos) {
PopulateTransform(HAL_COLOR_MODE_DISPLAY_P3, mode_string, mode_string);
}
}
}
}
void HWCColorMode::PopulateTransform(const android_color_mode_t &mode,
const std::string &color_mode,
const std::string &color_transform) {
// TODO(user): Check the substring from QDCM
if (color_transform.find("identity") != std::string::npos) {
color_mode_transform_map_[mode][HAL_COLOR_TRANSFORM_IDENTITY] = color_mode;
} else if (color_transform.find("arbitrary") != std::string::npos) {
// no color mode for arbitrary
} else if (color_transform.find("inverse") != std::string::npos) {
color_mode_transform_map_[mode][HAL_COLOR_TRANSFORM_VALUE_INVERSE] = color_mode;
} else if (color_transform.find("grayscale") != std::string::npos) {
color_mode_transform_map_[mode][HAL_COLOR_TRANSFORM_GRAYSCALE] = color_mode;
} else if (color_transform.find("correct_protonopia") != std::string::npos) {
color_mode_transform_map_[mode][HAL_COLOR_TRANSFORM_CORRECT_PROTANOPIA] = color_mode;
} else if (color_transform.find("correct_deuteranopia") != std::string::npos) {
color_mode_transform_map_[mode][HAL_COLOR_TRANSFORM_CORRECT_DEUTERANOPIA] = color_mode;
} else if (color_transform.find("correct_tritanopia") != std::string::npos) {
color_mode_transform_map_[mode][HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA] = color_mode;
} else {
color_mode_transform_map_[mode][HAL_COLOR_TRANSFORM_IDENTITY] = color_mode;
}
}
HWC2::Error HWCColorMode::ApplyDefaultColorMode() {
android_color_mode_t color_mode = HAL_COLOR_MODE_NATIVE;
if (color_mode_transform_map_.size() == 1U) {
color_mode = color_mode_transform_map_.begin()->first;
} else if (color_mode_transform_map_.size() > 1U) {
std::string default_color_mode;
bool found = false;
DisplayError error = display_intf_->GetDefaultColorMode(&default_color_mode);
if (error == kErrorNone) {
// get the default mode corresponding android_color_mode_t
for (auto &it_mode : color_mode_transform_map_) {
for (auto &it : it_mode.second) {
if (it.second == default_color_mode) {
found = true;
break;
}
}
if (found) {
color_mode = it_mode.first;
break;
}
}
}
// return the first andrid_color_mode_t when we encouter if not found
if (!found) {
color_mode = color_mode_transform_map_.begin()->first;
}
}
return SetColorMode(color_mode);
}
void HWCColorMode::Dump(std::ostringstream* os) {
*os << "color modes supported: ";
for (auto it : color_mode_transform_map_) {
*os << it.first <<" ";
}
*os << "current mode: " << current_color_mode_ << std::endl;
*os << "current transform: ";
for (uint32_t i = 0; i < kColorTransformMatrixCount; i++) {
if (i % 4 == 0) {
*os << std::endl;
}
*os << std::fixed << std::setprecision(2) << std::setw(6) << std::setfill(' ')
<< color_matrix_[i] << " ";
}
*os << std::endl;
}
HWCDisplay::HWCDisplay(CoreInterface *core_intf, HWCCallbacks *callbacks, DisplayType type,
hwc2_display_t id, bool needs_blit, qService::QService *qservice,
DisplayClass display_class, BufferAllocator *buffer_allocator)
: core_intf_(core_intf),
callbacks_(callbacks),
type_(type),
id_(id),
needs_blit_(needs_blit),
qservice_(qservice),
display_class_(display_class) {
buffer_allocator_ = static_cast<HWCBufferAllocator *>(buffer_allocator);
}
int HWCDisplay::Init() {
DisplayError error = core_intf_->CreateDisplay(type_, this, &display_intf_);
if (error != kErrorNone) {
DLOGE("Display create failed. Error = %d display_type %d event_handler %p disp_intf %p", error,
type_, this, &display_intf_);
return -EINVAL;
}
HWCDebugHandler::Get()->GetProperty("sys.hwc_disable_hdr", &disable_hdr_handling_);
if (disable_hdr_handling_) {
DLOGI("HDR Handling disabled");
}
int property_swap_interval = 1;
HWCDebugHandler::Get()->GetProperty("debug.egl.swapinterval", &property_swap_interval);
if (property_swap_interval == 0) {
swap_interval_zero_ = true;
}
client_target_ = new HWCLayer(id_, buffer_allocator_);
int blit_enabled = 0;
HWCDebugHandler::Get()->GetProperty("persist.hwc.blit.comp", &blit_enabled);
if (needs_blit_ && blit_enabled) {
// TODO(user): Add blit engine when needed
}
tone_mapper_ = new HWCToneMapper(buffer_allocator_);
display_intf_->GetRefreshRateRange(&min_refresh_rate_, &max_refresh_rate_);
current_refresh_rate_ = max_refresh_rate_;
DLOGI("Display created with id: %d", id_);
return 0;
}
int HWCDisplay::Deinit() {
DisplayError error = core_intf_->DestroyDisplay(display_intf_);
if (error != kErrorNone) {
DLOGE("Display destroy failed. Error = %d", error);
return -EINVAL;
}
delete client_target_;
if (color_mode_) {
color_mode_->DeInit();
delete color_mode_;
}
delete tone_mapper_;
tone_mapper_ = nullptr;
return 0;
}
// LayerStack operations
HWC2::Error HWCDisplay::CreateLayer(hwc2_layer_t *out_layer_id) {
HWCLayer *layer = *layer_set_.emplace(new HWCLayer(id_, buffer_allocator_));
layer_map_.emplace(std::make_pair(layer->GetId(), layer));
*out_layer_id = layer->GetId();
validated_ = false;
geometry_changes_ |= GeometryChanges::kAdded;
return HWC2::Error::None;
}
HWCLayer *HWCDisplay::GetHWCLayer(hwc2_layer_t layer_id) {
const auto map_layer = layer_map_.find(layer_id);
if (map_layer == layer_map_.end()) {
DLOGE("[%" PRIu64 "] GetLayer(%" PRIu64 ") failed: no such layer", id_, layer_id);
return nullptr;
} else {
return map_layer->second;
}
}
HWC2::Error HWCDisplay::DestroyLayer(hwc2_layer_t layer_id) {
const auto map_layer = layer_map_.find(layer_id);
if (map_layer == layer_map_.end()) {
DLOGE("[%" PRIu64 "] destroyLayer(%" PRIu64 ") failed: no such layer", id_, layer_id);
return HWC2::Error::BadLayer;
}
const auto layer = map_layer->second;
layer_map_.erase(map_layer);
const auto z_range = layer_set_.equal_range(layer);
for (auto current = z_range.first; current != z_range.second; ++current) {
if (*current == layer) {
current = layer_set_.erase(current);
delete layer;
break;
}
}
validated_ = false;
geometry_changes_ |= GeometryChanges::kRemoved;
return HWC2::Error::None;
}
void HWCDisplay::BuildLayerStack() {
layer_stack_ = LayerStack();
display_rect_ = LayerRect();
metadata_refresh_rate_ = 0;
auto working_primaries = ColorPrimaries_BT709_5;
// Add one layer for fb target
// TODO(user): Add blit target layers
for (auto hwc_layer : layer_set_) {
// Reset layer data which SDM may change
hwc_layer->ResetPerFrameData();
Layer *layer = hwc_layer->GetSDMLayer();
layer->flags = {}; // Reset earlier flags
if (hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::Client) {
layer->flags.skip = true;
} else if (hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::SolidColor) {
layer->flags.solid_fill = true;
}
#ifdef FEATURE_WIDE_COLOR
if (!hwc_layer->SupportedDataspace()) {
layer->flags.skip = true;
DLOGW_IF(kTagStrategy, "Unsupported dataspace: 0x%x", hwc_layer->GetLayerDataspace());
}
#endif
working_primaries = WidestPrimaries(working_primaries,
layer->input_buffer.color_metadata.colorPrimaries);
// set default composition as GPU for SDM
layer->composition = kCompositionGPU;
if (swap_interval_zero_) {
if (layer->input_buffer.acquire_fence_fd >= 0) {
close(layer->input_buffer.acquire_fence_fd);
layer->input_buffer.acquire_fence_fd = -1;
}
}
const private_handle_t *handle =
reinterpret_cast<const private_handle_t *>(layer->input_buffer.buffer_id);
if (handle) {
#ifdef USE_GRALLOC1
if (handle->buffer_type == BUFFER_TYPE_VIDEO) {
#else
if (handle->bufferType == BUFFER_TYPE_VIDEO) {
#endif
layer_stack_.flags.video_present = true;
}
// TZ Protected Buffer - L1
if (handle->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) {
layer_stack_.flags.secure_present = true;
}
// Gralloc Usage Protected Buffer - L3 - which needs to be treated as Secure & avoid fallback
if (handle->flags & private_handle_t::PRIV_FLAGS_PROTECTED_BUFFER) {
layer_stack_.flags.secure_present = true;
}
}
if (layer->flags.skip) {
layer_stack_.flags.skip_present = true;
}
if (hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::Cursor) {
// Currently we support only one HWCursor & only at top most z-order
if ((*layer_set_.rbegin())->GetId() == hwc_layer->GetId()) {
layer->flags.cursor = true;
layer_stack_.flags.cursor_present = true;
}
}
bool hdr_layer = layer->input_buffer.color_metadata.colorPrimaries == ColorPrimaries_BT2020 &&
(layer->input_buffer.color_metadata.transfer == Transfer_SMPTE_ST2084 ||
layer->input_buffer.color_metadata.transfer == Transfer_HLG);
if (hdr_layer && !disable_hdr_handling_) {
// dont honor HDR when its handling is disabled
layer->input_buffer.flags.hdr = true;
layer_stack_.flags.hdr_present = true;
}
// TODO(user): Move to a getter if this is needed at other places
hwc_rect_t scaled_display_frame = {INT(layer->dst_rect.left), INT(layer->dst_rect.top),
INT(layer->dst_rect.right), INT(layer->dst_rect.bottom)};
ApplyScanAdjustment(&scaled_display_frame);
hwc_layer->SetLayerDisplayFrame(scaled_display_frame);
// SDM requires these details even for solid fill
if (layer->flags.solid_fill) {
LayerBuffer *layer_buffer = &layer->input_buffer;
layer_buffer->width = UINT32(layer->dst_rect.right - layer->dst_rect.left);
layer_buffer->height = UINT32(layer->dst_rect.bottom - layer->dst_rect.top);
layer_buffer->unaligned_width = layer_buffer->width;
layer_buffer->unaligned_height = layer_buffer->height;
layer_buffer->acquire_fence_fd = -1;
layer_buffer->release_fence_fd = -1;
layer->src_rect.left = 0;
layer->src_rect.top = 0;
layer->src_rect.right = layer_buffer->width;
layer->src_rect.bottom = layer_buffer->height;
}
if (layer->frame_rate > metadata_refresh_rate_) {
metadata_refresh_rate_ = SanitizeRefreshRate(layer->frame_rate);
} else {
layer->frame_rate = current_refresh_rate_;
}
display_rect_ = Union(display_rect_, layer->dst_rect);
geometry_changes_ |= hwc_layer->GetGeometryChanges();
layer->flags.updating = true;
if (layer_set_.size() <= kMaxLayerCount) {
layer->flags.updating = IsLayerUpdating(layer);
}
layer_stack_.layers.push_back(layer);
}
#ifdef FEATURE_WIDE_COLOR
for (auto hwc_layer : layer_set_) {
auto layer = hwc_layer->GetSDMLayer();
if (layer->input_buffer.color_metadata.colorPrimaries != working_primaries &&
!hwc_layer->SupportLocalConversion(working_primaries)) {
layer->flags.skip = true;
}
if (layer->flags.skip) {
layer_stack_.flags.skip_present = true;
}
}
#endif
// TODO(user): Set correctly when SDM supports geometry_changes as bitmask
layer_stack_.flags.geometry_changed = UINT32(geometry_changes_ > 0);
// Append client target to the layer stack
layer_stack_.layers.push_back(client_target_->GetSDMLayer());
}
void HWCDisplay::BuildSolidFillStack() {
layer_stack_ = LayerStack();
display_rect_ = LayerRect();
layer_stack_.layers.push_back(solid_fill_layer_);
layer_stack_.flags.geometry_changed = 1U;
// Append client target to the layer stack
layer_stack_.layers.push_back(client_target_->GetSDMLayer());
}
HWC2::Error HWCDisplay::SetLayerZOrder(hwc2_layer_t layer_id, uint32_t z) {
const auto map_layer = layer_map_.find(layer_id);
if (map_layer == layer_map_.end()) {
DLOGE("[%" PRIu64 "] updateLayerZ failed to find layer", id_);
return HWC2::Error::BadLayer;
}
validated_ = false;
const auto layer = map_layer->second;
const auto z_range = layer_set_.equal_range(layer);
bool layer_on_display = false;
for (auto current = z_range.first; current != z_range.second; ++current) {
if (*current == layer) {
if ((*current)->GetZ() == z) {
// Don't change anything if the Z hasn't changed
return HWC2::Error::None;
}
current = layer_set_.erase(current);
layer_on_display = true;
break;
}
}
if (!layer_on_display) {
DLOGE("[%" PRIu64 "] updateLayerZ failed to find layer on display", id_);
return HWC2::Error::BadLayer;
}
layer->SetLayerZOrder(z);
layer_set_.emplace(layer);
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetVsyncEnabled(HWC2::Vsync enabled) {
DLOGV("Display ID: %d enabled: %s", id_, to_string(enabled).c_str());
DisplayError error = kErrorNone;
if (shutdown_pending_ || !callbacks_->VsyncCallbackRegistered()) {
return HWC2::Error::None;
}
bool state;
if (enabled == HWC2::Vsync::Enable)
state = true;
else if (enabled == HWC2::Vsync::Disable)
state = false;
else
return HWC2::Error::BadParameter;
error = display_intf_->SetVSyncState(state);
if (error != kErrorNone) {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::None;
}
DLOGE("Failed. enabled = %s, error = %d", to_string(enabled).c_str(), error);
return HWC2::Error::BadDisplay;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetPowerMode(HWC2::PowerMode mode) {
DLOGV("display = %d, mode = %s", id_, to_string(mode).c_str());
DisplayState state = kStateOff;
bool flush_on_error = flush_on_error_;
if (shutdown_pending_) {
return HWC2::Error::None;
}
switch (mode) {
case HWC2::PowerMode::Off:
// During power off, all of the buffers are released.
// Do not flush until a buffer is successfully submitted again.
flush_on_error = false;
state = kStateOff;
if (tone_mapper_) {
tone_mapper_->Terminate();
}
break;
case HWC2::PowerMode::On:
state = kStateOn;
last_power_mode_ = HWC2::PowerMode::On;
break;
case HWC2::PowerMode::Doze:
state = kStateDoze;
last_power_mode_ = HWC2::PowerMode::Doze;
break;
case HWC2::PowerMode::DozeSuspend:
state = kStateDozeSuspend;
last_power_mode_ = HWC2::PowerMode::DozeSuspend;
break;
default:
return HWC2::Error::BadParameter;
}
DisplayError error = display_intf_->SetDisplayState(state);
if (error == kErrorNone) {
flush_on_error_ = flush_on_error;
} else {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::None;
}
DLOGE("Set state failed. Error = %d", error);
return HWC2::Error::BadParameter;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetClientTargetSupport(uint32_t width, uint32_t height, int32_t format,
int32_t dataspace) {
DisplayConfigVariableInfo variable_config;
display_intf_->GetFrameBufferConfig(&variable_config);
// TODO(user): Support scaled configurations, other formats and other dataspaces
if (format != HAL_PIXEL_FORMAT_RGBA_8888 || dataspace != HAL_DATASPACE_UNKNOWN ||
width != variable_config.x_pixels || height != variable_config.y_pixels) {
return HWC2::Error::Unsupported;
} else {
return HWC2::Error::None;
}
}
HWC2::Error HWCDisplay::GetColorModes(uint32_t *out_num_modes, android_color_mode_t *out_modes) {
if (out_modes) {
out_modes[0] = HAL_COLOR_MODE_NATIVE;
}
*out_num_modes = 1;
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayConfigs(uint32_t *out_num_configs, hwc2_config_t *out_configs) {
// TODO(user): Actually handle multiple configs
if (out_configs == nullptr) {
*out_num_configs = 1;
} else {
*out_num_configs = 1;
out_configs[0] = 0;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayAttribute(hwc2_config_t config, HWC2::Attribute attribute,
int32_t *out_value) {
DisplayConfigVariableInfo variable_config;
DisplayError error = display_intf_->GetFrameBufferConfig(&variable_config);
if (error != kErrorNone) {
DLOGV("Get variable config failed. Error = %d", error);
return HWC2::Error::BadDisplay;
}
if (config != 0) { // We only use config[0] - see TODO above
return HWC2::Error::BadConfig;
}
switch (attribute) {
case HWC2::Attribute::VsyncPeriod:
*out_value = INT32(variable_config.vsync_period_ns);
break;
case HWC2::Attribute::Width:
*out_value = INT32(variable_config.x_pixels);
break;
case HWC2::Attribute::Height:
*out_value = INT32(variable_config.y_pixels);
break;
case HWC2::Attribute::DpiX:
*out_value = INT32(variable_config.x_dpi * 1000.0f);
break;
case HWC2::Attribute::DpiY:
*out_value = INT32(variable_config.y_dpi * 1000.0f);
break;
default:
DLOGW("Spurious attribute type = %s", to_string(attribute).c_str());
*out_value = -1;
return HWC2::Error::BadConfig;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayName(uint32_t *out_size, char *out_name) {
// TODO(user): Get panel name and EDID name and populate it here
if (out_name == nullptr) {
*out_size = 32;
} else {
std::string name;
switch (id_) {
case HWC_DISPLAY_PRIMARY:
name = "Primary Display";
break;
case HWC_DISPLAY_EXTERNAL:
name = "External Display";
break;
case HWC_DISPLAY_VIRTUAL:
name = "Virtual Display";
break;
default:
name = "Unknown";
break;
}
std::strncpy(out_name, name.c_str(), name.size());
*out_size = UINT32(name.size());
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayType(int32_t *out_type) {
if (out_type != nullptr) {
if (id_ == HWC_DISPLAY_VIRTUAL) {
*out_type = HWC2_DISPLAY_TYPE_VIRTUAL;
} else {
*out_type = HWC2_DISPLAY_TYPE_PHYSICAL;
}
return HWC2::Error::None;
} else {
return HWC2::Error::BadParameter;
}
}
// TODO(user): Store configurations and hook them up here
HWC2::Error HWCDisplay::GetActiveConfig(hwc2_config_t *out_config) {
if (out_config != nullptr) {
*out_config = 0;
return HWC2::Error::None;
} else {
return HWC2::Error::BadParameter;
}
}
HWC2::Error HWCDisplay::SetClientTarget(buffer_handle_t target, int32_t acquire_fence,
int32_t dataspace, hwc_region_t damage) {
// TODO(user): SurfaceFlinger gives us a null pointer here when doing full SDE composition
// The error is problematic for layer caching as it would overwrite our cached client target.
// Reported bug 28569722 to resolve this.
// For now, continue to use the last valid buffer reported to us for layer caching.
if (target == nullptr) {
return HWC2::Error::None;
}
if (acquire_fence == 0) {
DLOGE("acquire_fence is zero");
return HWC2::Error::BadParameter;
}
client_target_->SetLayerBuffer(target, acquire_fence);
client_target_->SetLayerSurfaceDamage(damage);
// Ignoring dataspace for now
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetActiveConfig(hwc2_config_t config) {
if (config != 0) {
return HWC2::Error::BadConfig;
}
// We have only one config right now - do nothing
return HWC2::Error::None;
}
DisplayError HWCDisplay::SetMixerResolution(uint32_t width, uint32_t height) {
return kErrorNotSupported;
}
void HWCDisplay::SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type) {
dump_frame_count_ = count;
dump_frame_index_ = 0;
dump_input_layers_ = ((bit_mask_layer_type & (1 << INPUT_LAYER_DUMP)) != 0);
if (tone_mapper_) {
tone_mapper_->SetFrameDumpConfig(count);
}
DLOGI("num_frame_dump %d, input_layer_dump_enable %d", dump_frame_count_, dump_input_layers_);
}
HWC2::PowerMode HWCDisplay::GetLastPowerMode() {
return last_power_mode_;
}
DisplayError HWCDisplay::VSync(const DisplayEventVSync &vsync) {
callbacks_->Vsync(id_, vsync.timestamp);
return kErrorNone;
}
DisplayError HWCDisplay::Refresh() {
return kErrorNotSupported;
}
DisplayError HWCDisplay::CECMessage(char *message) {
if (qservice_) {
qservice_->onCECMessageReceived(message, 0);
} else {
DLOGW("Qservice instance not available.");
}
return kErrorNone;
}
HWC2::Error HWCDisplay::PrepareLayerStack(uint32_t *out_num_types, uint32_t *out_num_requests) {
layer_changes_.clear();
layer_requests_.clear();
if (shutdown_pending_) {
return HWC2::Error::BadDisplay;
}
if (!skip_prepare_) {
DisplayError error = display_intf_->Prepare(&layer_stack_);
if (error != kErrorNone) {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
} else if (error != kErrorPermission) {
DLOGE("Prepare failed. Error = %d", error);
// To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
// so that previous buffer and fences are released, and override the error.
flush_ = true;
}
return HWC2::Error::BadDisplay;
}
} else {
// Skip is not set
MarkLayersForGPUBypass();
skip_prepare_ = false;
DLOGI("SecureDisplay %s, Skip Prepare/Commit and Flush",
secure_display_active_ ? "Starting" : "Stopping");
flush_ = true;
}
for (auto hwc_layer : layer_set_) {
Layer *layer = hwc_layer->GetSDMLayer();
LayerComposition &composition = layer->composition;
if ((composition == kCompositionSDE) || (composition == kCompositionHybrid) ||
(composition == kCompositionBlit)) {
layer_requests_[hwc_layer->GetId()] = HWC2::LayerRequest::ClearClientTarget;
}
HWC2::Composition requested_composition = hwc_layer->GetClientRequestedCompositionType();
// Set SDM composition to HWC2 type in HWCLayer
hwc_layer->SetComposition(composition);
HWC2::Composition device_composition = hwc_layer->GetDeviceSelectedCompositionType();
// Update the changes list only if the requested composition is different from SDM comp type
// TODO(user): Take Care of other comptypes(BLIT)
if (requested_composition != device_composition) {
layer_changes_[hwc_layer->GetId()] = device_composition;
}
}
*out_num_types = UINT32(layer_changes_.size());
*out_num_requests = UINT32(layer_requests_.size());
validated_ = true;
if (*out_num_types > 0) {
return HWC2::Error::HasChanges;
} else {
return HWC2::Error::None;
}
}
HWC2::Error HWCDisplay::AcceptDisplayChanges() {
if (layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validated_) {
return HWC2::Error::NotValidated;
}
for (const auto& change : layer_changes_) {
auto hwc_layer = layer_map_[change.first];
auto composition = change.second;
if (hwc_layer != nullptr) {
hwc_layer->UpdateClientCompositionType(composition);
} else {
DLOGW("Invalid layer: %" PRIu64, change.first);
}
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetChangedCompositionTypes(uint32_t *out_num_elements,
hwc2_layer_t *out_layers, int32_t *out_types) {
if (layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validated_) {
DLOGW("Display is not validated");
return HWC2::Error::NotValidated;
}
*out_num_elements = UINT32(layer_changes_.size());
if (out_layers != nullptr && out_types != nullptr) {
int i = 0;
for (auto change : layer_changes_) {
out_layers[i] = change.first;
out_types[i] = INT32(change.second);
i++;
}
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetReleaseFences(uint32_t *out_num_elements, hwc2_layer_t *out_layers,
int32_t *out_fences) {
if (out_layers != nullptr && out_fences != nullptr) {
int i = 0;
for (auto hwc_layer : layer_set_) {
out_layers[i] = hwc_layer->GetId();
out_fences[i] = hwc_layer->PopReleaseFence();
i++;
}
}
*out_num_elements = UINT32(layer_set_.size());
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayRequests(int32_t *out_display_requests,
uint32_t *out_num_elements, hwc2_layer_t *out_layers,
int32_t *out_layer_requests) {
// No display requests for now
// Use for sharing blit buffers and
// writing wfd buffer directly to output if there is full GPU composition
// and no color conversion needed
if (layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validated_) {
DLOGW("Display is not validated");
return HWC2::Error::NotValidated;
}
*out_display_requests = 0;
*out_num_elements = UINT32(layer_requests_.size());
if (out_layers != nullptr && out_layer_requests != nullptr) {
int i = 0;
for (auto &request : layer_requests_) {
out_layers[i] = request.first;
out_layer_requests[i] = INT32(request.second);
i++;
}
}
auto client_target_layer = client_target_->GetSDMLayer();
if (client_target_layer->request.flags.flip_buffer) {
*out_display_requests = INT32(HWC2::DisplayRequest::FlipClientTarget);
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetHdrCapabilities(uint32_t *out_num_types, int32_t *out_types,
float *out_max_luminance,
float *out_max_average_luminance,
float *out_min_luminance) {
DisplayConfigFixedInfo fixed_info = {};
display_intf_->GetConfig(&fixed_info);
if (!fixed_info.hdr_supported) {
*out_num_types = 0;
DLOGI("HDR is not supported");
return HWC2::Error::None;
}
if (out_types == nullptr) {
// 1(now) - because we support only HDR10, change when HLG & DOLBY vision are supported
*out_num_types = 1;
} else {
// Only HDR10 supported
*out_types = HAL_HDR_HDR10;
static const float kLuminanceFactor = 10000.0;
// luminance is expressed in the unit of 0.0001 cd/m2, convert it to 1cd/m2.
*out_max_luminance = FLOAT(fixed_info.max_luminance)/kLuminanceFactor;
*out_max_average_luminance = FLOAT(fixed_info.average_luminance)/kLuminanceFactor;
*out_min_luminance = FLOAT(fixed_info.min_luminance)/kLuminanceFactor;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::CommitLayerStack(void) {
if (shutdown_pending_ || layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validated_) {
DLOGW("Display is not validated");
return HWC2::Error::NotValidated;
}
DumpInputBuffers();
if (!flush_) {
DisplayError error = kErrorUndefined;
int status = 0;
if (tone_mapper_) {
if (layer_stack_.flags.hdr_present) {
status = tone_mapper_->HandleToneMap(&layer_stack_);
if (status != 0) {
DLOGE("Error handling HDR in ToneMapper");
}
} else {
tone_mapper_->Terminate();
}
}
error = display_intf_->Commit(&layer_stack_);
validated_ = false;
if (error == kErrorNone) {
// A commit is successfully submitted, start flushing on failure now onwards.
flush_on_error_ = true;
} else {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::Unsupported;
} else if (error != kErrorPermission) {
DLOGE("Commit failed. Error = %d", error);
// To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
// so that previous buffer and fences are released, and override the error.
flush_ = true;
}
}
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::PostCommitLayerStack(int32_t *out_retire_fence) {
auto status = HWC2::Error::None;
// Do no call flush on errors, if a successful buffer is never submitted.
if (flush_ && flush_on_error_) {
display_intf_->Flush();
}
if (tone_mapper_ && tone_mapper_->IsActive()) {
tone_mapper_->PostCommit(&layer_stack_);
}
// TODO(user): No way to set the client target release fence on SF
int32_t &client_target_release_fence =
client_target_->GetSDMLayer()->input_buffer.release_fence_fd;
if (client_target_release_fence >= 0) {
close(client_target_release_fence);
client_target_release_fence = -1;
}
for (auto hwc_layer : layer_set_) {
hwc_layer->ResetGeometryChanges();
Layer *layer = hwc_layer->GetSDMLayer();
LayerBuffer *layer_buffer = &layer->input_buffer;
if (!flush_) {
// If swapinterval property is set to 0 or for single buffer layers, do not update f/w
// release fences and discard fences from driver
if (swap_interval_zero_ || layer->flags.single_buffer) {
close(layer_buffer->release_fence_fd);
layer_buffer->release_fence_fd = -1;
} else if (layer->composition != kCompositionGPU) {
hwc_layer->PushReleaseFence(layer_buffer->release_fence_fd);
layer_buffer->release_fence_fd = -1;
} else {
hwc_layer->PushReleaseFence(-1);
}
}
if (layer_buffer->acquire_fence_fd >= 0) {
close(layer_buffer->acquire_fence_fd);
layer_buffer->acquire_fence_fd = -1;
}
}
*out_retire_fence = -1;
if (!flush_) {
// if swapinterval property is set to 0 then close and reset the list retire fence
if (swap_interval_zero_) {
close(layer_stack_.retire_fence_fd);
layer_stack_.retire_fence_fd = -1;
}
*out_retire_fence = layer_stack_.retire_fence_fd;
if (dump_frame_count_) {
dump_frame_count_--;
dump_frame_index_++;
}
}
geometry_changes_ = GeometryChanges::kNone;
flush_ = false;
ClearRequestFlags();
return status;
}
void HWCDisplay::SetIdleTimeoutMs(uint32_t timeout_ms) {
return;
}
DisplayError HWCDisplay::SetMaxMixerStages(uint32_t max_mixer_stages) {
DisplayError error = kErrorNone;
if (display_intf_) {
error = display_intf_->SetMaxMixerStages(max_mixer_stages);
}
return error;
}
LayerBufferFormat HWCDisplay::GetSDMFormat(const int32_t &source, const int flags) {
LayerBufferFormat format = kFormatInvalid;
if (flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED) {
switch (source) {
case HAL_PIXEL_FORMAT_RGBA_8888:
format = kFormatRGBA8888Ubwc;
break;
case HAL_PIXEL_FORMAT_RGBX_8888:
format = kFormatRGBX8888Ubwc;
break;
case HAL_PIXEL_FORMAT_BGR_565:
format = kFormatBGR565Ubwc;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
format = kFormatYCbCr420SPVenusUbwc;
break;
case HAL_PIXEL_FORMAT_RGBA_1010102:
format = kFormatRGBA1010102Ubwc;
break;
case HAL_PIXEL_FORMAT_RGBX_1010102:
format = kFormatRGBX1010102Ubwc;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC:
format = kFormatYCbCr420TP10Ubwc;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_P010_UBWC:
format = kFormatYCbCr420P010Ubwc;
break;
default:
DLOGE("Unsupported format type for UBWC %d", source);
return kFormatInvalid;
}
return format;
}
switch (source) {
case HAL_PIXEL_FORMAT_RGBA_8888:
format = kFormatRGBA8888;
break;
case HAL_PIXEL_FORMAT_RGBA_5551:
format = kFormatRGBA5551;
break;
case HAL_PIXEL_FORMAT_RGBA_4444:
format = kFormatRGBA4444;
break;
case HAL_PIXEL_FORMAT_BGRA_8888:
format = kFormatBGRA8888;
break;
case HAL_PIXEL_FORMAT_RGBX_8888:
format = kFormatRGBX8888;
break;
case HAL_PIXEL_FORMAT_BGRX_8888:
format = kFormatBGRX8888;
break;
case HAL_PIXEL_FORMAT_RGB_888:
format = kFormatRGB888;
break;
case HAL_PIXEL_FORMAT_RGB_565:
format = kFormatRGB565;
break;
case HAL_PIXEL_FORMAT_BGR_565:
format = kFormatBGR565;
break;
case HAL_PIXEL_FORMAT_BGR_888:
format = kFormatBGR888;
break;
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
format = kFormatYCbCr420SemiPlanarVenus;
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
format = kFormatYCrCb420SemiPlanarVenus;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
format = kFormatYCbCr420SPVenusUbwc;
break;
case HAL_PIXEL_FORMAT_YV12:
format = kFormatYCrCb420PlanarStride16;
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
format = kFormatYCrCb420SemiPlanar;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
format = kFormatYCbCr420SemiPlanar;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
format = kFormatYCbCr422H2V1SemiPlanar;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_I:
format = kFormatYCbCr422H2V1Packed;
break;
case HAL_PIXEL_FORMAT_CbYCrY_422_I:
format = kFormatCbYCrY422H2V1Packed;
break;
case HAL_PIXEL_FORMAT_RGBA_1010102:
format = kFormatRGBA1010102;
break;
case HAL_PIXEL_FORMAT_ARGB_2101010:
format = kFormatARGB2101010;
break;
case HAL_PIXEL_FORMAT_RGBX_1010102:
format = kFormatRGBX1010102;
break;
case HAL_PIXEL_FORMAT_XRGB_2101010:
format = kFormatXRGB2101010;
break;
case HAL_PIXEL_FORMAT_BGRA_1010102:
format = kFormatBGRA1010102;
break;
case HAL_PIXEL_FORMAT_ABGR_2101010:
format = kFormatABGR2101010;
break;
case HAL_PIXEL_FORMAT_BGRX_1010102:
format = kFormatBGRX1010102;
break;
case HAL_PIXEL_FORMAT_XBGR_2101010:
format = kFormatXBGR2101010;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_P010:
format = kFormatYCbCr420P010;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC:
format = kFormatYCbCr420TP10Ubwc;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_P010_UBWC:
format = kFormatYCbCr420P010Ubwc;
break;
default:
DLOGW("Unsupported format type = %d", source);
return kFormatInvalid;
}
return format;
}
void HWCDisplay::DumpInputBuffers() {
char dir_path[PATH_MAX];
if (!dump_frame_count_ || flush_ || !dump_input_layers_) {
return;
}
snprintf(dir_path, sizeof(dir_path), "/data/misc/display/frame_dump_%s", GetDisplayString());
if (mkdir(dir_path, 0777) != 0 && errno != EEXIST) {
DLOGW("Failed to create %s directory errno = %d, desc = %s", dir_path, errno, strerror(errno));
return;
}
// if directory exists already, need to explicitly change the permission.
if (errno == EEXIST && chmod(dir_path, 0777) != 0) {
DLOGW("Failed to change permissions on %s directory", dir_path);
return;
}
for (uint32_t i = 0; i < layer_stack_.layers.size(); i++) {
auto layer = layer_stack_.layers.at(i);
const private_handle_t *pvt_handle =
reinterpret_cast<const private_handle_t *>(layer->input_buffer.buffer_id);
auto acquire_fence_fd = layer->input_buffer.acquire_fence_fd;
if (acquire_fence_fd >= 0) {
int error = sync_wait(acquire_fence_fd, 1000);
if (error < 0) {
DLOGW("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
return;
}
}
if (pvt_handle && pvt_handle->base) {
char dump_file_name[PATH_MAX];
size_t result = 0;
snprintf(dump_file_name, sizeof(dump_file_name), "%s/input_layer%d_%dx%d_%s_frame%d.raw",
dir_path, i, pvt_handle->width, pvt_handle->height,
qdutils::GetHALPixelFormatString(pvt_handle->format), dump_frame_index_);
FILE *fp = fopen(dump_file_name, "w+");
if (fp) {
result = fwrite(reinterpret_cast<void *>(pvt_handle->base), pvt_handle->size, 1, fp);
fclose(fp);
}
DLOGI("Frame Dump %s: is %s", dump_file_name, result ? "Successful" : "Failed");
}
}
}
void HWCDisplay::DumpOutputBuffer(const BufferInfo &buffer_info, void *base, int fence) {
char dir_path[PATH_MAX];
snprintf(dir_path, sizeof(dir_path), "/data/misc/display/frame_dump_%s", GetDisplayString());
if (mkdir(dir_path, 777) != 0 && errno != EEXIST) {
DLOGW("Failed to create %s directory errno = %d, desc = %s", dir_path, errno, strerror(errno));
return;
}
// if directory exists already, need to explicitly change the permission.
if (errno == EEXIST && chmod(dir_path, 0777) != 0) {
DLOGW("Failed to change permissions on %s directory", dir_path);
return;
}
if (base) {
char dump_file_name[PATH_MAX];
size_t result = 0;
if (fence >= 0) {
int error = sync_wait(fence, 1000);
if (error < 0) {
DLOGW("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
return;
}
}
snprintf(dump_file_name, sizeof(dump_file_name), "%s/output_layer_%dx%d_%s_frame%d.raw",
dir_path, buffer_info.buffer_config.width, buffer_info.buffer_config.height,
GetFormatString(buffer_info.buffer_config.format), dump_frame_index_);
FILE *fp = fopen(dump_file_name, "w+");
if (fp) {
result = fwrite(base, buffer_info.alloc_buffer_info.size, 1, fp);
fclose(fp);
}
DLOGI("Frame Dump of %s is %s", dump_file_name, result ? "Successful" : "Failed");
}
}
const char *HWCDisplay::GetDisplayString() {
switch (type_) {
case kPrimary:
return "primary";
case kHDMI:
return "hdmi";
case kVirtual:
return "virtual";
default:
return "invalid";
}
}
int HWCDisplay::SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels) {
if (x_pixels <= 0 || y_pixels <= 0) {
DLOGW("Unsupported config: x_pixels=%d, y_pixels=%d", x_pixels, y_pixels);
return -EINVAL;
}
DisplayConfigVariableInfo fb_config;
DisplayError error = display_intf_->GetFrameBufferConfig(&fb_config);
if (error != kErrorNone) {
DLOGV("Get frame buffer config failed. Error = %d", error);
return -EINVAL;
}
fb_config.x_pixels = x_pixels;
fb_config.y_pixels = y_pixels;
error = display_intf_->SetFrameBufferConfig(fb_config);
if (error != kErrorNone) {
DLOGV("Set frame buffer config failed. Error = %d", error);
return -EINVAL;
}
// Create rects to represent the new source and destination crops
LayerRect crop = LayerRect(0, 0, FLOAT(x_pixels), FLOAT(y_pixels));
LayerRect dst = LayerRect(0, 0, FLOAT(fb_config.x_pixels), FLOAT(fb_config.y_pixels));
auto client_target_layer = client_target_->GetSDMLayer();
client_target_layer->src_rect = crop;
client_target_layer->dst_rect = dst;
int aligned_width;
int aligned_height;
uint32_t usage = GRALLOC_USAGE_HW_FB;
int format = HAL_PIXEL_FORMAT_RGBA_8888;
int ubwc_enabled = 0;
int flags = 0;
HWCDebugHandler::Get()->GetProperty("debug.gralloc.enable_fb_ubwc", &ubwc_enabled);
if (ubwc_enabled == 1) {
usage |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
}
#ifdef USE_GRALLOC1
buffer_allocator_->GetAlignedWidthAndHeight(INT(x_pixels), INT(y_pixels), format, usage,
&aligned_width, &aligned_height);
#else
AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(INT(x_pixels), INT(y_pixels), format,
INT(usage), aligned_width, aligned_height);
#endif
// TODO(user): How does the dirty region get set on the client target? File bug on Google
client_target_layer->composition = kCompositionGPUTarget;
client_target_layer->input_buffer.format = GetSDMFormat(format, flags);
client_target_layer->input_buffer.width = UINT32(aligned_width);
client_target_layer->input_buffer.height = UINT32(aligned_height);
client_target_layer->input_buffer.unaligned_width = x_pixels;
client_target_layer->input_buffer.unaligned_height = y_pixels;
client_target_layer->plane_alpha = 255;
DLOGI("New framebuffer resolution (%dx%d)", fb_config.x_pixels, fb_config.y_pixels);
return 0;
}
void HWCDisplay::GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
DisplayConfigVariableInfo fb_config;
display_intf_->GetFrameBufferConfig(&fb_config);
*x_pixels = fb_config.x_pixels;
*y_pixels = fb_config.y_pixels;
}
DisplayError HWCDisplay::GetMixerResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
return display_intf_->GetMixerResolution(x_pixels, y_pixels);
}
void HWCDisplay::GetPanelResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
DisplayConfigVariableInfo display_config;
uint32_t active_index = 0;
display_intf_->GetActiveConfig(&active_index);
display_intf_->GetConfig(active_index, &display_config);
*x_pixels = display_config.x_pixels;
*y_pixels = display_config.y_pixels;
}
int HWCDisplay::SetDisplayStatus(uint32_t display_status) {
int status = 0;
switch (display_status) {
case kDisplayStatusResume:
display_paused_ = false;
case kDisplayStatusOnline:
status = INT32(SetPowerMode(HWC2::PowerMode::On));
break;
case kDisplayStatusPause:
display_paused_ = true;
case kDisplayStatusOffline:
status = INT32(SetPowerMode(HWC2::PowerMode::Off));
break;
default:
DLOGW("Invalid display status %d", display_status);
return -EINVAL;
}
if (display_status == kDisplayStatusResume || display_status == kDisplayStatusPause) {
callbacks_->Refresh(HWC_DISPLAY_PRIMARY);
}
return status;
}
HWC2::Error HWCDisplay::SetCursorPosition(hwc2_layer_t layer, int x, int y) {
if (shutdown_pending_) {
return HWC2::Error::None;
}
if (GetHWCLayer(layer) == nullptr) {
return HWC2::Error::BadLayer;
}
DisplayState state;
if (display_intf_->GetDisplayState(&state) == kErrorNone) {
if (state != kStateOn) {
return HWC2::Error::None;
}
}
if (!validated_) {
return HWC2::Error::NotValidated;
}
auto error = display_intf_->SetCursorPosition(x, y);
if (error != kErrorNone) {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::None;
}
DLOGE("Failed for x = %d y = %d, Error = %d", x, y, error);
return HWC2::Error::BadDisplay;
}
return HWC2::Error::None;
}
int HWCDisplay::OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) {
DisplayError error = display_intf_->OnMinHdcpEncryptionLevelChange(min_enc_level);
if (error != kErrorNone) {
DLOGE("Failed. Error = %d", error);
return -1;
}
return 0;
}
void HWCDisplay::MarkLayersForGPUBypass() {
for (auto hwc_layer : layer_set_) {
auto layer = hwc_layer->GetSDMLayer();
layer->composition = kCompositionSDE;
}
}
void HWCDisplay::MarkLayersForClientComposition() {
// ClientComposition - GPU comp, to acheive this, set skip flag so that
// SDM does not handle this layer and hwc_layer composition will be
// set correctly at the end of Prepare.
for (auto hwc_layer : layer_set_) {
Layer *layer = hwc_layer->GetSDMLayer();
layer->flags.skip = true;
}
}
void HWCDisplay::ApplyScanAdjustment(hwc_rect_t *display_frame) {
}
int HWCDisplay::SetPanelBrightness(int level) {
int ret = 0;
if (display_intf_)
ret = display_intf_->SetPanelBrightness(level);
else
ret = -EINVAL;
return ret;
}
int HWCDisplay::GetPanelBrightness(int *level) {
return display_intf_->GetPanelBrightness(level);
}
int HWCDisplay::ToggleScreenUpdates(bool enable) {
display_paused_ = enable ? false : true;
callbacks_->Refresh(HWC_DISPLAY_PRIMARY);
return 0;
}
int HWCDisplay::ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload,
PPDisplayAPIPayload *out_payload,
PPPendingParams *pending_action) {
int ret = 0;
if (display_intf_)
ret = display_intf_->ColorSVCRequestRoute(in_payload, out_payload, pending_action);
else
ret = -EINVAL;
return ret;
}
void HWCDisplay::SolidFillPrepare() {
if (solid_fill_enable_) {
if (solid_fill_layer_ == NULL) {
// Create a dummy layer here
solid_fill_layer_ = new Layer();
}
uint32_t primary_width = 0, primary_height = 0;
GetMixerResolution(&primary_width, &primary_height);
LayerBuffer *layer_buffer = &solid_fill_layer_->input_buffer;
layer_buffer->width = primary_width;
layer_buffer->height = primary_height;
layer_buffer->unaligned_width = primary_width;
layer_buffer->unaligned_height = primary_height;
layer_buffer->acquire_fence_fd = -1;
layer_buffer->release_fence_fd = -1;
LayerRect rect;
rect.top = 0; rect.left = 0;
rect.right = primary_width;
rect.bottom = primary_height;
solid_fill_layer_->composition = kCompositionGPU;
solid_fill_layer_->src_rect = rect;
solid_fill_layer_->dst_rect = rect;
solid_fill_layer_->blending = kBlendingPremultiplied;
solid_fill_layer_->solid_fill_color = solid_fill_color_;
solid_fill_layer_->frame_rate = 60;
solid_fill_layer_->visible_regions.push_back(solid_fill_layer_->dst_rect);
solid_fill_layer_->flags.updating = 1;
solid_fill_layer_->flags.solid_fill = true;
} else {
// delete the dummy layer
delete solid_fill_layer_;
solid_fill_layer_ = NULL;
}
if (solid_fill_enable_ && solid_fill_layer_) {
BuildSolidFillStack();
MarkLayersForGPUBypass();
}
return;
}
void HWCDisplay::SolidFillCommit() {
if (solid_fill_enable_ && solid_fill_layer_) {
LayerBuffer *layer_buffer = &solid_fill_layer_->input_buffer;
if (layer_buffer->release_fence_fd > 0) {
close(layer_buffer->release_fence_fd);
layer_buffer->release_fence_fd = -1;
}
if (layer_stack_.retire_fence_fd > 0) {
close(layer_stack_.retire_fence_fd);
layer_stack_.retire_fence_fd = -1;
}
}
}
int HWCDisplay::GetVisibleDisplayRect(hwc_rect_t *visible_rect) {
if (!IsValid(display_rect_)) {
return -EINVAL;
}
visible_rect->left = INT(display_rect_.left);
visible_rect->top = INT(display_rect_.top);
visible_rect->right = INT(display_rect_.right);
visible_rect->bottom = INT(display_rect_.bottom);
DLOGI("Dpy = %d Visible Display Rect(%d %d %d %d)", visible_rect->left, visible_rect->top,
visible_rect->right, visible_rect->bottom);
return 0;
}
void HWCDisplay::SetSecureDisplay(bool secure_display_active) {
secure_display_active_ = secure_display_active;
return;
}
int HWCDisplay::SetActiveDisplayConfig(int config) {
return display_intf_->SetActiveConfig(UINT32(config)) == kErrorNone ? 0 : -1;
}
int HWCDisplay::GetActiveDisplayConfig(uint32_t *config) {
return display_intf_->GetActiveConfig(config) == kErrorNone ? 0 : -1;
}
int HWCDisplay::GetDisplayConfigCount(uint32_t *count) {
return display_intf_->GetNumVariableInfoConfigs(count) == kErrorNone ? 0 : -1;
}
int HWCDisplay::GetDisplayAttributesForConfig(int config,
DisplayConfigVariableInfo *display_attributes) {
return display_intf_->GetConfig(UINT32(config), display_attributes) == kErrorNone ? 0 : -1;
}
bool HWCDisplay::SingleLayerUpdating(void) {
uint32_t updating_count = 0;
for (uint i = 0; i < layer_stack_.layers.size(); i++) {
auto layer = layer_stack_.layers.at(i);
if (layer->flags.updating) {
updating_count++;
}
}
return (updating_count == 1);
}
bool HWCDisplay::IsLayerUpdating(const Layer *layer) {
// Layer should be considered updating if
// a) layer is in single buffer mode, or
// b) valid dirty_regions(android specific hint for updating status), or
// c) layer stack geometry has changed (TODO(user): Remove when SDM accepts
// geometry_changed as bit fields).
return (layer->flags.single_buffer || IsSurfaceUpdated(layer->dirty_regions) ||
geometry_changes_);
}
bool HWCDisplay::IsSurfaceUpdated(const std::vector<LayerRect> &dirty_regions) {
// based on dirty_regions determine if its updating
// dirty_rect count = 0 - whole layer - updating.
// dirty_rect count = 1 or more valid rects - updating.
// dirty_rect count = 1 with (0,0,0,0) - not updating.
return (dirty_regions.empty() || IsValid(dirty_regions.at(0)));
}
uint32_t HWCDisplay::SanitizeRefreshRate(uint32_t req_refresh_rate) {
uint32_t refresh_rate = req_refresh_rate;
if (refresh_rate < min_refresh_rate_) {
// Pick the next multiple of request which is within the range
refresh_rate =
(((min_refresh_rate_ / refresh_rate) + ((min_refresh_rate_ % refresh_rate) ? 1 : 0)) *
refresh_rate);
}
if (refresh_rate > max_refresh_rate_) {
refresh_rate = max_refresh_rate_;
}
return refresh_rate;
}
DisplayClass HWCDisplay::GetDisplayClass() {
return display_class_;
}
void HWCDisplay::CloseAcquireFds() {
for (auto hwc_layer : layer_set_) {
auto layer = hwc_layer->GetSDMLayer();
if (layer->input_buffer.acquire_fence_fd >= 0) {
close(layer->input_buffer.acquire_fence_fd);
layer->input_buffer.acquire_fence_fd = -1;
}
}
int32_t &client_target_acquire_fence =
client_target_->GetSDMLayer()->input_buffer.acquire_fence_fd;
if (client_target_acquire_fence >= 0) {
close(client_target_acquire_fence);
client_target_acquire_fence = -1;
}
}
void HWCDisplay::ClearRequestFlags() {
for (Layer *layer : layer_stack_.layers) {
layer->request.flags = {};
}
}
std::string HWCDisplay::Dump() {
std::ostringstream os;
os << "-------------------------------" << std::endl;
os << "HWC2 display_id: " << id_ << std::endl;
for (auto layer : layer_set_) {
auto sdm_layer = layer->GetSDMLayer();
auto transform = sdm_layer->transform;
os << "layer: " << std::setw(4) << layer->GetId();
os << " z: " << layer->GetZ();
os << " compositon: " <<
to_string(layer->GetClientRequestedCompositionType()).c_str();
os << "/" <<
to_string(layer->GetDeviceSelectedCompositionType()).c_str();
os << " alpha: " << std::to_string(sdm_layer->plane_alpha).c_str();
os << " format: " << std::setw(22) << GetFormatString(sdm_layer->input_buffer.format);
os << " dataspace:" << std::hex << "0x" << std::setw(8) << std::setfill('0')
<< layer->GetLayerDataspace() << std::dec << std::setfill(' ');
os << " transform: " << transform.rotation << "/" << transform.flip_horizontal <<
"/"<< transform.flip_vertical;
os << " buffer_id: " << std::hex << "0x" << sdm_layer->input_buffer.buffer_id << std::dec
<< std::endl;
}
if (color_mode_) {
color_mode_->Dump(&os);
}
os << "-------------------------------" << std::endl;
return os.str();
}
} // namespace sdm