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/*
* Copyright (C) 2016 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.
*/
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#define LOG_TAG "hwc-drm-two"
#include "drmdisplaycomposition.h"
#include "drmhwcomposer.h"
#include "drmhwctwo.h"
#include "platform.h"
#include "vsyncworker.h"
#include <inttypes.h>
#include <string>
#include <cutils/log.h>
#include <cutils/properties.h>
#include <hardware/hardware.h>
#include <hardware/hwcomposer2.h>
namespace android {
class DrmVsyncCallback : public VsyncCallback {
public:
DrmVsyncCallback(hwc2_callback_data_t data, hwc2_function_pointer_t hook)
: data_(data), hook_(hook) {
}
void Callback(int display, int64_t timestamp) {
auto hook = reinterpret_cast<HWC2_PFN_VSYNC>(hook_);
hook(data_, display, timestamp);
}
private:
hwc2_callback_data_t data_;
hwc2_function_pointer_t hook_;
};
DrmHwcTwo::DrmHwcTwo() {
common.tag = HARDWARE_DEVICE_TAG;
common.version = HWC_DEVICE_API_VERSION_2_0;
common.close = HookDevClose;
getCapabilities = HookDevGetCapabilities;
getFunction = HookDevGetFunction;
}
HWC2::Error DrmHwcTwo::Init() {
int ret = drm_.Init();
if (ret) {
ALOGE("Can't initialize drm object %d", ret);
return HWC2::Error::NoResources;
}
importer_.reset(Importer::CreateInstance(&drm_));
if (!importer_) {
ALOGE("Failed to create importer instance");
return HWC2::Error::NoResources;
}
ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
(const hw_module_t **)&gralloc_);
if (ret) {
ALOGE("Failed to open gralloc module %d", ret);
return HWC2::Error::NoResources;
}
displays_.emplace(std::piecewise_construct,
std::forward_as_tuple(HWC_DISPLAY_PRIMARY),
std::forward_as_tuple(&drm_, importer_, gralloc_,
HWC_DISPLAY_PRIMARY,
HWC2::DisplayType::Physical));
DrmCrtc *crtc = drm_.GetCrtcForDisplay(static_cast<int>(HWC_DISPLAY_PRIMARY));
if (!crtc) {
ALOGE("Failed to get crtc for display %d",
static_cast<int>(HWC_DISPLAY_PRIMARY));
return HWC2::Error::BadDisplay;
}
std::vector<DrmPlane *> display_planes;
for (auto &plane : drm_.planes()) {
if (plane->GetCrtcSupported(*crtc))
display_planes.push_back(plane.get());
}
displays_.at(HWC_DISPLAY_PRIMARY).Init(&display_planes);
return HWC2::Error::None;
}
template <typename... Args>
static inline HWC2::Error unsupported(char const *func, Args... /*args*/) {
ALOGV("Unsupported function: %s", func);
return HWC2::Error::Unsupported;
}
static inline void supported(char const *func) {
ALOGV("Supported function: %s", func);
}
HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t width, uint32_t height,
int32_t *format,
hwc2_display_t *display) {
// TODO: Implement virtual display
return unsupported(__func__, width, height, format, display);
}
HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t display) {
// TODO: Implement virtual display
return unsupported(__func__, display);
}
void DrmHwcTwo::Dump(uint32_t *size, char *buffer) {
// TODO: Implement dump
unsupported(__func__, size, buffer);
}
uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() {
// TODO: Implement virtual display
unsupported(__func__);
return 0;
}
HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
hwc2_callback_data_t data,
hwc2_function_pointer_t function) {
supported(__func__);
auto callback = static_cast<HWC2::Callback>(descriptor);
callbacks_.emplace(callback, HwcCallback(data, function));
switch (callback) {
case HWC2::Callback::Hotplug: {
auto hotplug = reinterpret_cast<HWC2_PFN_HOTPLUG>(function);
hotplug(data, HWC_DISPLAY_PRIMARY,
static_cast<int32_t>(HWC2::Connection::Connected));
break;
}
case HWC2::Callback::Vsync: {
for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
displays_)
d.second.RegisterVsyncCallback(data, function);
break;
}
default:
break;
}
return HWC2::Error::None;
}
DrmHwcTwo::HwcDisplay::HwcDisplay(DrmResources *drm,
std::shared_ptr<Importer> importer,
const gralloc_module_t *gralloc,
hwc2_display_t handle, HWC2::DisplayType type)
: drm_(drm),
importer_(importer),
gralloc_(gralloc),
handle_(handle),
type_(type) {
supported(__func__);
}
HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) {
supported(__func__);
planner_ = Planner::CreateInstance(drm_);
if (!planner_) {
ALOGE("Failed to create planner instance for composition");
return HWC2::Error::NoResources;
}
int display = static_cast<int>(handle_);
int ret = compositor_.Init(drm_, display);
if (ret) {
ALOGE("Failed display compositor init for display %d (%d)", display, ret);
return HWC2::Error::NoResources;
}
// Split up the given display planes into primary and overlay to properly
// interface with the composition
char use_overlay_planes_prop[PROPERTY_VALUE_MAX];
property_get("hwc.drm.use_overlay_planes", use_overlay_planes_prop, "1");
bool use_overlay_planes = atoi(use_overlay_planes_prop);
for (auto &plane : *planes) {
if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
primary_planes_.push_back(plane);
else if (use_overlay_planes && (plane)->type() == DRM_PLANE_TYPE_OVERLAY)
overlay_planes_.push_back(plane);
}
crtc_ = drm_->GetCrtcForDisplay(display);
if (!crtc_) {
ALOGE("Failed to get crtc for display %d", display);
return HWC2::Error::BadDisplay;
}
connector_ = drm_->GetConnectorForDisplay(display);
if (!connector_) {
ALOGE("Failed to get connector for display %d", display);
return HWC2::Error::BadDisplay;
}
// Fetch the number of modes from the display
uint32_t num_configs;
HWC2::Error err = GetDisplayConfigs(&num_configs, NULL);
if (err != HWC2::Error::None || !num_configs)
return err;
// Grab the first mode, we'll choose this as the active mode
// TODO: Should choose the preferred mode here
hwc2_config_t default_config;
num_configs = 1;
err = GetDisplayConfigs(&num_configs, &default_config);
if (err != HWC2::Error::None)
return err;
ret = vsync_worker_.Init(drm_, display);
if (ret) {
ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
return HWC2::Error::BadDisplay;
}
return SetActiveConfig(default_config);
}
HWC2::Error DrmHwcTwo::HwcDisplay::RegisterVsyncCallback(
hwc2_callback_data_t data, hwc2_function_pointer_t func) {
supported(__func__);
auto callback = std::make_shared<DrmVsyncCallback>(data, func);
vsync_worker_.RegisterCallback(std::move(callback));
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
supported(__func__);
uint32_t num_changes = 0;
for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_)
l.second.accept_type_change();
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) {
supported(__func__);
layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer());
*layer = static_cast<hwc2_layer_t>(layer_idx_);
++layer_idx_;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) {
supported(__func__);
layers_.erase(layer);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(hwc2_config_t *config) {
supported(__func__);
DrmMode const &mode = connector_->active_mode();
if (mode.id() == 0)
return HWC2::Error::BadConfig;
*config = mode.id();
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes(
uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) {
supported(__func__);
uint32_t num_changes = 0;
for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
if (l.second.type_changed()) {
if (layers && num_changes < *num_elements)
layers[num_changes] = l.first;
if (types && num_changes < *num_elements)
types[num_changes] = static_cast<int32_t>(l.second.validated_type());
++num_changes;
}
}
if (!layers && !types)
*num_elements = num_changes;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width,
uint32_t height,
int32_t /*format*/,
int32_t dataspace) {
supported(__func__);
std::pair<uint32_t, uint32_t> min = drm_->min_resolution();
std::pair<uint32_t, uint32_t> max = drm_->max_resolution();
if (width < min.first || height < min.second)
return HWC2::Error::Unsupported;
if (width > max.first || height > max.second)
return HWC2::Error::Unsupported;
if (dataspace != HAL_DATASPACE_UNKNOWN &&
dataspace != HAL_DATASPACE_STANDARD_UNSPECIFIED)
return HWC2::Error::Unsupported;
// TODO: Validate format can be handled by either GL or planes
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes,
int32_t *modes) {
supported(__func__);
if (!modes)
*num_modes = 1;
if (modes)
*modes = HAL_COLOR_MODE_NATIVE;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config,
int32_t attribute_in,
int32_t *value) {
supported(__func__);
auto mode =
std::find_if(connector_->modes().begin(), connector_->modes().end(),
[config](DrmMode const &m) { return m.id() == config; });
if (mode == connector_->modes().end()) {
ALOGE("Could not find active mode for %d", config);
return HWC2::Error::BadConfig;
}
static const int32_t kUmPerInch = 25400;
uint32_t mm_width = connector_->mm_width();
uint32_t mm_height = connector_->mm_height();
auto attribute = static_cast<HWC2::Attribute>(attribute_in);
switch (attribute) {
case HWC2::Attribute::Width:
*value = mode->h_display();
break;
case HWC2::Attribute::Height:
*value = mode->v_display();
break;
case HWC2::Attribute::VsyncPeriod:
// in nanoseconds
*value = 1000 * 1000 * 1000 / mode->v_refresh();
break;
case HWC2::Attribute::DpiX:
// Dots per 1000 inches
*value = mm_width ? (mode->h_display() * kUmPerInch) / mm_width : -1;
break;
case HWC2::Attribute::DpiY:
// Dots per 1000 inches
*value = mm_height ? (mode->v_display() * kUmPerInch) / mm_height : -1;
break;
default:
*value = -1;
return HWC2::Error::BadConfig;
}
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs,
hwc2_config_t *configs) {
supported(__func__);
// Since this callback is normally invoked twice (once to get the count, and
// once to populate configs), we don't really want to read the edid
// redundantly. Instead, only update the modes on the first invocation. While
// it's possible this will result in stale modes, it'll all come out in the
// wash when we try to set the active config later.
if (!configs) {
int ret = connector_->UpdateModes();
if (ret) {
ALOGE("Failed to update display modes %d", ret);
return HWC2::Error::BadDisplay;
}
}
auto num_modes = static_cast<uint32_t>(connector_->modes().size());
if (!configs) {
*num_configs = num_modes;
return HWC2::Error::None;
}
uint32_t idx = 0;
for (const DrmMode &mode : connector_->modes()) {
if (idx >= *num_configs)
break;
configs[idx++] = mode.id();
}
*num_configs = idx;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) {
supported(__func__);
std::ostringstream stream;
stream << "display-" << connector_->id();
std::string string = stream.str();
size_t length = string.length();
if (!name) {
*size = length;
return HWC2::Error::None;
}
*size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size);
strncpy(name, string.c_str(), *size);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayRequests(int32_t *display_requests,
uint32_t *num_elements,
hwc2_layer_t *layers,
int32_t *layer_requests) {
supported(__func__);
// TODO: I think virtual display should request
// HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here
unsupported(__func__, display_requests, num_elements, layers, layer_requests);
*num_elements = 0;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) {
supported(__func__);
*type = static_cast<int32_t>(type_);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) {
supported(__func__);
*support = 0;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities(
uint32_t *num_types, int32_t */*types*/, float */*max_luminance*/,
float */*max_average_luminance*/, float */*min_luminance*/) {
supported(__func__);
*num_types = 0;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements,
hwc2_layer_t *layers,
int32_t *fences) {
supported(__func__);
uint32_t num_layers = 0;
for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
++num_layers;
if (layers == NULL || fences == NULL) {
continue;
} else if (num_layers > *num_elements) {
ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements);
return HWC2::Error::None;
}
layers[num_layers - 1] = l.first;
fences[num_layers - 1] = l.second.take_release_fence();
}
*num_elements = num_layers;
return HWC2::Error::None;
}
void DrmHwcTwo::HwcDisplay::AddFenceToRetireFence(int fd) {
supported(__func__);
if (fd < 0)
return;
if (next_retire_fence_.get() >= 0) {
int old_fence = next_retire_fence_.get();
next_retire_fence_.Set(sync_merge("dc_retire", old_fence, fd));
} else {
next_retire_fence_.Set(dup(fd));
}
}
HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *retire_fence) {
supported(__func__);
std::vector<DrmCompositionDisplayLayersMap> layers_map;
layers_map.emplace_back();
DrmCompositionDisplayLayersMap &map = layers_map.back();
map.display = static_cast<int>(handle_);
map.geometry_changed = true; // TODO: Fix this
// order the layers by z-order
bool use_client_layer = false;
uint32_t client_z_order = 0;
std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map;
for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
switch (l.second.validated_type()) {
case HWC2::Composition::Device:
z_map.emplace(std::make_pair(l.second.z_order(), &l.second));
break;
case HWC2::Composition::Client:
// Place it at the z_order of the highest client layer
use_client_layer = true;
client_z_order = std::max(client_z_order, l.second.z_order());
break;
default:
continue;
}
}
if (use_client_layer)
z_map.emplace(std::make_pair(client_z_order, &client_layer_));
// now that they're ordered by z, add them to the composition
for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
DrmHwcLayer layer;
l.second->PopulateDrmLayer(&layer);
int ret = layer.ImportBuffer(importer_.get(), gralloc_);
if (ret) {
ALOGE("Failed to import layer, ret=%d", ret);
return HWC2::Error::NoResources;
}
map.layers.emplace_back(std::move(layer));
}
if (map.layers.empty()) {
*retire_fence = -1;
return HWC2::Error::None;
}
std::unique_ptr<DrmDisplayComposition> composition =
compositor_.CreateComposition();
composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
// TODO: Don't always assume geometry changed
int ret = composition->SetLayers(map.layers.data(), map.layers.size(), true);
if (ret) {
ALOGE("Failed to set layers in the composition ret=%d", ret);
return HWC2::Error::BadLayer;
}
std::vector<DrmPlane *> primary_planes(primary_planes_);
std::vector<DrmPlane *> overlay_planes(overlay_planes_);
ret = composition->Plan(compositor_.squash_state(), &primary_planes,
&overlay_planes);
if (ret) {
ALOGE("Failed to plan the composition ret=%d", ret);
return HWC2::Error::BadConfig;
}
// Disable the planes we're not using
for (auto i = primary_planes.begin(); i != primary_planes.end();) {
composition->AddPlaneDisable(*i);
i = primary_planes.erase(i);
}
for (auto i = overlay_planes.begin(); i != overlay_planes.end();) {
composition->AddPlaneDisable(*i);
i = overlay_planes.erase(i);
}
ret = compositor_.QueueComposition(std::move(composition));
if (ret) {
ALOGE("Failed to apply the frame composition ret=%d", ret);
return HWC2::Error::BadParameter;
}
// Now that the release fences have been generated by the compositor, make
// sure they're managed properly
for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
l.second->manage_release_fence();
AddFenceToRetireFence(l.second->release_fence());
}
// The retire fence returned here is for the last frame, so return it and
// promote the next retire fence
*retire_fence = retire_fence_.Release();
retire_fence_ = std::move(next_retire_fence_);
++frame_no_;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
supported(__func__);
auto mode =
std::find_if(connector_->modes().begin(), connector_->modes().end(),
[config](DrmMode const &m) { return m.id() == config; });
if (mode == connector_->modes().end()) {
ALOGE("Could not find active mode for %d", config);
return HWC2::Error::BadConfig;
}
std::unique_ptr<DrmDisplayComposition> composition =
compositor_.CreateComposition();
composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
int ret = composition->SetDisplayMode(*mode);
ret = compositor_.QueueComposition(std::move(composition));
if (ret) {
ALOGE("Failed to queue dpms composition on %d", ret);
return HWC2::Error::BadConfig;
}
if (connector_->active_mode().id() == 0)
connector_->set_active_mode(*mode);
// Setup the client layer's dimensions
hwc_rect_t display_frame = {.left = 0,
.top = 0,
.right = static_cast<int>(mode->h_display()),
.bottom = static_cast<int>(mode->v_display())};
client_layer_.SetLayerDisplayFrame(display_frame);
hwc_frect_t source_crop = {.left = 0.0f,
.top = 0.0f,
.right = mode->h_display() + 0.0f,
.bottom = mode->v_display() + 0.0f};
client_layer_.SetLayerSourceCrop(source_crop);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target,
int32_t acquire_fence,
int32_t dataspace,
hwc_region_t damage) {
supported(__func__);
UniqueFd uf(acquire_fence);
client_layer_.set_buffer(target);
client_layer_.set_acquire_fence(uf.get());
client_layer_.SetLayerDataspace(dataspace);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) {
supported(__func__);
if (mode != HAL_COLOR_MODE_NATIVE)
return HWC2::Error::Unsupported;
color_mode_ = mode;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
int32_t hint) {
supported(__func__);
// TODO: Force client composition if we get this
return unsupported(__func__, matrix, hint);
}
HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t buffer,
int32_t release_fence) {
supported(__func__);
// TODO: Need virtual display support
return unsupported(__func__, buffer, release_fence);
}
HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
supported(__func__);
uint64_t dpms_value = 0;
auto mode = static_cast<HWC2::PowerMode>(mode_in);
switch (mode) {
case HWC2::PowerMode::Off:
dpms_value = DRM_MODE_DPMS_OFF;
break;
case HWC2::PowerMode::On:
dpms_value = DRM_MODE_DPMS_ON;
break;
default:
ALOGI("Power mode %d is unsupported\n", mode);
return HWC2::Error::Unsupported;
};
std::unique_ptr<DrmDisplayComposition> composition =
compositor_.CreateComposition();
composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
composition->SetDpmsMode(dpms_value);
int ret = compositor_.QueueComposition(std::move(composition));
if (ret) {
ALOGE("Failed to apply the dpms composition ret=%d", ret);
return HWC2::Error::BadParameter;
}
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) {
supported(__func__);
vsync_worker_.VSyncControl(enabled);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
uint32_t *num_requests) {
supported(__func__);
*num_types = 0;
*num_requests = 0;
for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
DrmHwcTwo::HwcLayer &layer = l.second;
switch (layer.sf_type()) {
case HWC2::Composition::SolidColor:
case HWC2::Composition::Cursor:
case HWC2::Composition::Sideband:
layer.set_validated_type(HWC2::Composition::Client);
++*num_types;
break;
default:
layer.set_validated_type(layer.sf_type());
break;
}
}
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t x, int32_t y) {
supported(__func__);
cursor_x_ = x;
cursor_y_ = y;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) {
supported(__func__);
blending_ = static_cast<HWC2::BlendMode>(mode);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer,
int32_t acquire_fence) {
supported(__func__);
UniqueFd uf(acquire_fence);
// The buffer and acquire_fence are handled elsewhere
if (sf_type_ == HWC2::Composition::Client ||
sf_type_ == HWC2::Composition::Sideband ||
sf_type_ == HWC2::Composition::SolidColor)
return HWC2::Error::None;
set_buffer(buffer);
set_acquire_fence(uf.get());
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t color) {
// TODO: Punt to client composition here?
return unsupported(__func__, color);
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) {
sf_type_ = static_cast<HWC2::Composition>(type);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) {
supported(__func__);
dataspace_ = static_cast<android_dataspace_t>(dataspace);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) {
supported(__func__);
display_frame_ = frame;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) {
supported(__func__);
alpha_ = alpha;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream(
const native_handle_t *stream) {
supported(__func__);
// TODO: We don't support sideband
return unsupported(__func__, stream);
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) {
supported(__func__);
source_crop_ = crop;
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(hwc_region_t damage) {
supported(__func__);
// TODO: We don't use surface damage, marking as unsupported
unsupported(__func__, damage);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) {
supported(__func__);
transform_ = static_cast<HWC2::Transform>(transform);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(hwc_region_t visible) {
supported(__func__);
// TODO: We don't use this information, marking as unsupported
unsupported(__func__, visible);
return HWC2::Error::None;
}
HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) {
supported(__func__);
z_order_ = order;
return HWC2::Error::None;
}
void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) {
supported(__func__);
switch (blending_) {
case HWC2::BlendMode::None:
layer->blending = DrmHwcBlending::kNone;
break;
case HWC2::BlendMode::Premultiplied:
layer->blending = DrmHwcBlending::kPreMult;
break;
case HWC2::BlendMode::Coverage:
layer->blending = DrmHwcBlending::kCoverage;
break;
default:
ALOGE("Unknown blending mode b=%d", blending_);
layer->blending = DrmHwcBlending::kNone;
break;
}
OutputFd release_fence = release_fence_output();
layer->sf_handle = buffer_;
layer->acquire_fence = acquire_fence_.Release();
layer->release_fence = std::move(release_fence);
layer->SetDisplayFrame(display_frame_);
layer->alpha = static_cast<uint8_t>(255.0f * alpha_ + 0.5f);
layer->SetSourceCrop(source_crop_);
layer->SetTransform(static_cast<int32_t>(transform_));
}
// static
int DrmHwcTwo::HookDevClose(hw_device_t * /*dev*/) {
unsupported(__func__);
return 0;
}
// static
void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/,
uint32_t *out_count,
int32_t * /*out_capabilities*/) {
supported(__func__);
*out_count = 0;
}
// static
hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction(
struct hwc2_device * /*dev*/, int32_t descriptor) {
supported(__func__);
auto func = static_cast<HWC2::FunctionDescriptor>(descriptor);
switch (func) {
// Device functions
case HWC2::FunctionDescriptor::CreateVirtualDisplay:
return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(
DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay),
&DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t,
int32_t*, hwc2_display_t *>);
case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(
DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay),
&DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>);
case HWC2::FunctionDescriptor::Dump:
return ToHook<HWC2_PFN_DUMP>(
DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump,
uint32_t *, char *>);
case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(
DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount),
&DrmHwcTwo::GetMaxVirtualDisplayCount>);
case HWC2::FunctionDescriptor::RegisterCallback:
return ToHook<HWC2_PFN_REGISTER_CALLBACK>(
DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback),
&DrmHwcTwo::RegisterCallback, int32_t,
hwc2_callback_data_t, hwc2_function_pointer_t>);
// Display functions
case HWC2::FunctionDescriptor::AcceptDisplayChanges:
return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(
DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges),
&HwcDisplay::AcceptDisplayChanges>);
case HWC2::FunctionDescriptor::CreateLayer:
return ToHook<HWC2_PFN_CREATE_LAYER>(
DisplayHook<decltype(&HwcDisplay::CreateLayer),
&HwcDisplay::CreateLayer, hwc2_layer_t *>);
case HWC2::FunctionDescriptor::DestroyLayer:
return ToHook<HWC2_PFN_DESTROY_LAYER>(
DisplayHook<decltype(&HwcDisplay::DestroyLayer),
&HwcDisplay::DestroyLayer, hwc2_layer_t>);
case HWC2::FunctionDescriptor::GetActiveConfig:
return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>(
DisplayHook<decltype(&HwcDisplay::GetActiveConfig),
&HwcDisplay::GetActiveConfig, hwc2_config_t *>);
case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(
DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes),
&HwcDisplay::GetChangedCompositionTypes, uint32_t *,
hwc2_layer_t *, int32_t *>);
case HWC2::FunctionDescriptor::GetClientTargetSupport:
return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport),
&HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t,
int32_t, int32_t>);
case HWC2::FunctionDescriptor::GetColorModes:
return ToHook<HWC2_PFN_GET_COLOR_MODES>(
DisplayHook<decltype(&HwcDisplay::GetColorModes),
&HwcDisplay::GetColorModes, uint32_t *, int32_t *>);
case HWC2::FunctionDescriptor::GetDisplayAttribute:
return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(DisplayHook<
decltype(&HwcDisplay::GetDisplayAttribute),
&HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t, int32_t *>);
case HWC2::FunctionDescriptor::GetDisplayConfigs:
return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(DisplayHook<
decltype(&HwcDisplay::GetDisplayConfigs),
&HwcDisplay::GetDisplayConfigs, uint32_t *, hwc2_config_t *>);
case HWC2::FunctionDescriptor::GetDisplayName:
return ToHook<HWC2_PFN_GET_DISPLAY_NAME>(
DisplayHook<decltype(&HwcDisplay::GetDisplayName),
&HwcDisplay::GetDisplayName, uint32_t *, char *>);
case HWC2::FunctionDescriptor::GetDisplayRequests:
return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>(
DisplayHook<decltype(&HwcDisplay::GetDisplayRequests),
&HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *,
hwc2_layer_t *, int32_t *>);
case HWC2::FunctionDescriptor::GetDisplayType:
return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>(
DisplayHook<decltype(&HwcDisplay::GetDisplayType),
&HwcDisplay::GetDisplayType, int32_t *>);
case HWC2::FunctionDescriptor::GetDozeSupport:
return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>(
DisplayHook<decltype(&HwcDisplay::GetDozeSupport),
&HwcDisplay::GetDozeSupport, int32_t *>);
case HWC2::FunctionDescriptor::GetHdrCapabilities:
return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>(
DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities),
&HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *,
float *, float *, float *>);
case HWC2::FunctionDescriptor::GetReleaseFences:
return ToHook<HWC2_PFN_GET_RELEASE_FENCES>(
DisplayHook<decltype(&HwcDisplay::GetReleaseFences),
&HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *,
int32_t *>);
case HWC2::FunctionDescriptor::PresentDisplay:
return ToHook<HWC2_PFN_PRESENT_DISPLAY>(
DisplayHook<decltype(&HwcDisplay::PresentDisplay),
&HwcDisplay::PresentDisplay, int32_t *>);
case HWC2::FunctionDescriptor::SetActiveConfig:
return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>(
DisplayHook<decltype(&HwcDisplay::SetActiveConfig),
&HwcDisplay::SetActiveConfig, hwc2_config_t>);
case HWC2::FunctionDescriptor::SetClientTarget:
return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(DisplayHook<
decltype(&HwcDisplay::SetClientTarget), &HwcDisplay::SetClientTarget,
buffer_handle_t, int32_t, int32_t, hwc_region_t>);
case HWC2::FunctionDescriptor::SetColorMode:
return ToHook<HWC2_PFN_SET_COLOR_MODE>(
DisplayHook<decltype(&HwcDisplay::SetColorMode),
&HwcDisplay::SetColorMode, int32_t>);
case HWC2::FunctionDescriptor::SetColorTransform:
return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>(
DisplayHook<decltype(&HwcDisplay::SetColorTransform),
&HwcDisplay::SetColorTransform, const float *, int32_t>);
case HWC2::FunctionDescriptor::SetOutputBuffer:
return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>(
DisplayHook<decltype(&HwcDisplay::SetOutputBuffer),
&HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>);
case HWC2::FunctionDescriptor::SetPowerMode:
return ToHook<HWC2_PFN_SET_POWER_MODE>(
DisplayHook<decltype(&HwcDisplay::SetPowerMode),
&HwcDisplay::SetPowerMode, int32_t>);
case HWC2::FunctionDescriptor::SetVsyncEnabled:
return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>(
DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled),
&HwcDisplay::SetVsyncEnabled, int32_t>);
case HWC2::FunctionDescriptor::ValidateDisplay:
return ToHook<HWC2_PFN_VALIDATE_DISPLAY>(
DisplayHook<decltype(&HwcDisplay::ValidateDisplay),
&HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>);
// Layer functions
case HWC2::FunctionDescriptor::SetCursorPosition:
return ToHook<HWC2_PFN_SET_CURSOR_POSITION>(
LayerHook<decltype(&HwcLayer::SetCursorPosition),
&HwcLayer::SetCursorPosition, int32_t, int32_t>);
case HWC2::FunctionDescriptor::SetLayerBlendMode:
return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>(
LayerHook<decltype(&HwcLayer::SetLayerBlendMode),
&HwcLayer::SetLayerBlendMode, int32_t>);
case HWC2::FunctionDescriptor::SetLayerBuffer:
return ToHook<HWC2_PFN_SET_LAYER_BUFFER>(
LayerHook<decltype(&HwcLayer::SetLayerBuffer),
&HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>);
case HWC2::FunctionDescriptor::SetLayerColor:
return ToHook<HWC2_PFN_SET_LAYER_COLOR>(
LayerHook<decltype(&HwcLayer::SetLayerColor),
&HwcLayer::SetLayerColor, hwc_color_t>);
case HWC2::FunctionDescriptor::SetLayerCompositionType:
return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(
LayerHook<decltype(&HwcLayer::SetLayerCompositionType),
&HwcLayer::SetLayerCompositionType, int32_t>);
case HWC2::FunctionDescriptor::SetLayerDataspace:
return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>(
LayerHook<decltype(&HwcLayer::SetLayerDataspace),
&HwcLayer::SetLayerDataspace, int32_t>);
case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(
LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame),
&HwcLayer::SetLayerDisplayFrame, hwc_rect_t>);
case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(
LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha),
&HwcLayer::SetLayerPlaneAlpha, float>);
case HWC2::FunctionDescriptor::SetLayerSidebandStream:
return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(LayerHook<
decltype(&HwcLayer::SetLayerSidebandStream),
&HwcLayer::SetLayerSidebandStream, const native_handle_t *>);
case HWC2::FunctionDescriptor::SetLayerSourceCrop:
return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>(
LayerHook<decltype(&HwcLayer::SetLayerSourceCrop),
&HwcLayer::SetLayerSourceCrop, hwc_frect_t>);
case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(
LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage),
&HwcLayer::SetLayerSurfaceDamage, hwc_region_t>);
case HWC2::FunctionDescriptor::SetLayerTransform:
return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>(
LayerHook<decltype(&HwcLayer::SetLayerTransform),
&HwcLayer::SetLayerTransform, int32_t>);
case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(
LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion),
&HwcLayer::SetLayerVisibleRegion, hwc_region_t>);
case HWC2::FunctionDescriptor::SetLayerZOrder:
return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>(
LayerHook<decltype(&HwcLayer::SetLayerZOrder),
&HwcLayer::SetLayerZOrder, uint32_t>);
case HWC2::FunctionDescriptor::Invalid:
default:
return NULL;
}
}
// static
int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name,
struct hw_device_t **dev) {
supported(__func__);
if (strcmp(name, HWC_HARDWARE_COMPOSER)) {
ALOGE("Invalid module name- %s", name);
return -EINVAL;
}
std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo());
if (!ctx) {
ALOGE("Failed to allocate DrmHwcTwo");
return -ENOMEM;
}
HWC2::Error err = ctx->Init();
if (err != HWC2::Error::None) {
ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err);
return -EINVAL;
}
ctx->common.module = const_cast<hw_module_t *>(module);
*dev = &ctx->common;
ctx.release();
return 0;
}
}
static struct hw_module_methods_t hwc2_module_methods = {
.open = android::DrmHwcTwo::HookDevOpen,
};
hw_module_t HAL_MODULE_INFO_SYM = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = HARDWARE_MODULE_API_VERSION(2, 0),
.id = HWC_HARDWARE_MODULE_ID,
.name = "DrmHwcTwo module",
.author = "The Android Open Source Project",
.methods = &hwc2_module_methods,
.dso = NULL,
.reserved = {0},
};