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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.
*/
#include <cutils/log.h>
#include <inttypes.h>
#include <vector>
#include <array>
#include "hwc2.h"
uint64_t hwc2_display::display_cnt = 0;
hwc2_display::hwc2_display(hwc2_display_t id, int adf_intf_fd,
const struct adf_device &adf_dev, hwc2_connection_t connection,
hwc2_display_type_t type, hwc2_power_mode_t power_mode)
: id(id),
name(),
connection(connection),
type(type),
layers(),
vsync_enabled(HWC2_VSYNC_DISABLE),
configs(),
active_config(0),
power_mode(power_mode),
adf_intf_fd(adf_intf_fd),
adf_dev(adf_dev)
{
init_name();
}
hwc2_display::~hwc2_display()
{
close(adf_intf_fd);
adf_device_close(&adf_dev);
}
hwc2_error_t hwc2_display::set_connection(hwc2_connection_t connection)
{
if (connection == HWC2_CONNECTION_INVALID) {
ALOGE("dpy %" PRIu64 ": invalid connection", id);
return HWC2_ERROR_BAD_PARAMETER;
}
this->connection = connection;
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::get_name(uint32_t *out_size, char *out_name) const
{
if (!out_name) {
*out_size = name.size();
return HWC2_ERROR_NONE;
}
/* out_name does not require a NULL terminator so strncpy can truncate
* the output safely */
strncpy(out_name, name.c_str(), *out_size);
*out_size = (*out_size < name.size())? *out_size: name.size();
return HWC2_ERROR_NONE;
}
void hwc2_display::init_name()
{
name.append("dpy-");
if (HWC2_DISPLAY_TYPE_PHYSICAL)
name.append("phys-");
else
name.append("virt-");
name.append(std::to_string(id));
}
hwc2_error_t hwc2_display::set_power_mode(hwc2_power_mode_t mode)
{
int drm_mode;
switch (mode) {
case HWC2_POWER_MODE_ON:
drm_mode = DRM_MODE_DPMS_ON;
break;
case HWC2_POWER_MODE_OFF:
drm_mode = DRM_MODE_DPMS_OFF;
break;
case HWC2_POWER_MODE_DOZE:
case HWC2_POWER_MODE_DOZE_SUSPEND:
ALOGE("dpy %" PRIu64 ": unsupported power mode: %u", id, mode);
return HWC2_ERROR_UNSUPPORTED;
default:
ALOGE("dpy %" PRIu64 ": invalid power mode: %u", id, mode);
return HWC2_ERROR_BAD_PARAMETER;
}
adf_interface_blank(adf_intf_fd, drm_mode);
power_mode = mode;
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::get_doze_support(int32_t *out_support) const
{
*out_support = 0;
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::set_vsync_enabled(hwc2_vsync_t enabled)
{
if (enabled == HWC2_VSYNC_INVALID) {
ALOGE("dpy %" PRIu64 ": invalid vsync enabled", id);
return HWC2_ERROR_BAD_PARAMETER;
}
this->vsync_enabled = enabled;
return HWC2_ERROR_NONE;
}
int hwc2_display::retrieve_display_configs(struct adf_hwc_helper *adf_helper)
{
size_t num_configs = 0;
int ret = adf_getDisplayConfigs(adf_helper, id, nullptr, &num_configs);
if (ret < 0 || num_configs == 0) {
ALOGE("dpy %" PRIu64 ": failed to get display configs: %s", id,
strerror(ret));
return ret;
}
std::vector<uint32_t> config_handles(num_configs);
ret = adf_getDisplayConfigs(adf_helper, id, config_handles.data(),
&num_configs);
if (ret < 0) {
ALOGE("dpy %" PRIu64 ": failed to get display configs: %s", id,
strerror(ret));
return ret;
}
active_config = config_handles[0];
std::array<uint32_t, 6> attributes = {{
HWC2_ATTRIBUTE_WIDTH,
HWC2_ATTRIBUTE_HEIGHT,
HWC2_ATTRIBUTE_VSYNC_PERIOD,
HWC2_ATTRIBUTE_DPI_X,
HWC2_ATTRIBUTE_DPI_Y,
HWC2_ATTRIBUTE_INVALID }};
std::array<int32_t, 5> values;
for (auto config_handle: config_handles) {
ret = adf_getDisplayAttributes_hwc2(adf_helper, id, config_handle,
attributes.data(), values.data());
if (ret < 0) {
ALOGW("dpy %" PRIu64 ": failed to get display attributes for config"
" %u: %s", id, config_handle, strerror(ret));
continue;
}
configs.emplace(config_handle, hwc2_config());
for (size_t attr = 0; attr < attributes.size() - 1; attr++) {
ret = configs[config_handle].set_attribute(
static_cast<hwc2_attribute_t>(attributes[attr]),
values[attr]);
if (ret < 0)
ALOGW("dpy %" PRIu64 ": failed to set attribute", id);
}
}
return ret;
}
hwc2_error_t hwc2_display::get_display_attribute(hwc2_config_t config,
hwc2_attribute_t attribute, int32_t *out_value) const
{
auto it = configs.find(config);
if (it == configs.end()) {
ALOGE("dpy %" PRIu64 ": bad config", id);
return HWC2_ERROR_BAD_CONFIG;
}
*out_value = it->second.get_attribute(attribute);
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::get_display_configs(uint32_t *out_num_configs,
hwc2_config_t *out_configs) const
{
if (!out_configs) {
*out_num_configs = configs.size();
return HWC2_ERROR_NONE;
}
size_t idx = 0;
for (auto it = configs.begin(); it != configs.end()
&& idx < *out_num_configs; it++, idx++)
out_configs[idx] = it->first;
*out_num_configs = idx;
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::get_active_config(hwc2_config_t *out_config) const
{
if (!configs.size()) {
ALOGE("dpy %" PRIu64 ": no active config", id);
return HWC2_ERROR_BAD_CONFIG;
}
*out_config = active_config;
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::set_active_config(
struct adf_hwc_helper *adf_helper, hwc2_config_t config)
{
if (config >= configs.size()) {
ALOGE("dpy %" PRIu64 ": bad config", id);
return HWC2_ERROR_BAD_CONFIG;
}
int ret = adf_set_active_config_hwc2(adf_helper, id, config);
if (ret < 0) {
ALOGE("dpy %" PRIu64 ": failed to set mode: %s", id, strerror(ret));
return HWC2_ERROR_BAD_CONFIG;
}
active_config = config;
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::create_layer(hwc2_layer_t *out_layer)
{
hwc2_layer_t lyr_id = hwc2_layer::get_next_id();
layers.emplace(std::piecewise_construct, std::forward_as_tuple(lyr_id),
std::forward_as_tuple(lyr_id));
*out_layer = lyr_id;
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::destroy_layer(hwc2_layer_t lyr_id)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
layers.erase(lyr_id);
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::set_layer_composition_type(hwc2_layer_t lyr_id,
hwc2_composition_t comp_type)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_comp_type(comp_type);
}
hwc2_error_t hwc2_display::set_layer_dataspace(hwc2_layer_t lyr_id,
android_dataspace_t dataspace)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_dataspace(dataspace);
}
hwc2_error_t hwc2_display::set_layer_display_frame(hwc2_layer_t lyr_id,
const hwc_rect_t &display_frame)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_display_frame(display_frame);
}
hwc2_error_t hwc2_display::set_layer_source_crop(hwc2_layer_t lyr_id,
const hwc_frect_t &source_crop)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_source_crop(source_crop);
}
hwc2_error_t hwc2_display::set_layer_z_order(hwc2_layer_t lyr_id, uint32_t z_order)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_z_order(z_order);
}
hwc2_error_t hwc2_display::set_layer_blend_mode(hwc2_layer_t lyr_id,
hwc2_blend_mode_t blend_mode)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_blend_mode(blend_mode);
}
hwc2_error_t hwc2_display::set_layer_plane_alpha(hwc2_layer_t lyr_id, float plane_alpha)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_plane_alpha(plane_alpha);
}
hwc2_error_t hwc2_display::set_layer_transform(hwc2_layer_t lyr_id,
const hwc_transform_t transform)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
return it->second.set_transform(transform);
}
hwc2_error_t hwc2_display::set_layer_color(hwc2_layer_t lyr_id,
const hwc_color_t& /*color*/)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
/* Layer colors are not supported on flounder. During validate, any layers
* marked HWC2_COMPOSITION_SOLID_COLOR will be changed to
* HWC2_COMPOSITION_CLIENT. No need to store the layer color. */
return HWC2_ERROR_NONE;
}
hwc2_error_t hwc2_display::set_cursor_position(hwc2_layer_t lyr_id,
int32_t /*x*/, int32_t /*y*/)
{
auto it = layers.find(lyr_id);
if (it == layers.end()) {
ALOGE("dpy %" PRIu64 ": lyr %" PRIu64 ": bad layer handle", id, lyr_id);
return HWC2_ERROR_BAD_LAYER;
}
/* Cursors are not supported on flounder. During validate, any layers marked
* HWC2_COMPOSITION_CURSOR will be changed to HWC2_COMPOSITION_CLIENT.
* No need to store the cursor position. */
return HWC2_ERROR_NONE;
}
hwc2_display_t hwc2_display::get_next_id()
{
return display_cnt++;
}