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/*
* Copyright (C) 2019 The LineageOS 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 "DisplayModes.h"
#include <dlfcn.h>
#include "Constants.h"
#include "PictureAdjustment.h"
#include "Types.h"
namespace vendor {
namespace lineage {
namespace livedisplay {
namespace V2_0 {
namespace sdm {
DisplayModes::DisplayModes(void* libHandle, uint64_t cookie) {
mLibHandle = libHandle;
mCookie = cookie;
disp_api_get_feature_version =
reinterpret_cast<int32_t (*)(uint64_t, uint32_t, void*, uint32_t*)>(
dlsym(mLibHandle, "disp_api_get_feature_version"));
disp_api_get_num_display_modes =
reinterpret_cast<int32_t (*)(uint64_t, uint32_t, int32_t, int32_t*, uint32_t*)>(
dlsym(mLibHandle, "disp_api_get_num_display_modes"));
disp_api_get_display_modes =
reinterpret_cast<int32_t (*)(uint64_t, uint32_t, int32_t, void*, int32_t, uint32_t*)>(
dlsym(mLibHandle, "disp_api_get_display_modes"));
disp_api_get_active_display_mode =
reinterpret_cast<int32_t (*)(uint64_t, uint32_t, int32_t*, uint32_t*, uint32_t*)>(
dlsym(mLibHandle, "disp_api_get_active_display_mode"));
disp_api_set_active_display_mode =
reinterpret_cast<int32_t (*)(uint64_t, uint32_t, int32_t, uint32_t)>(
dlsym(mLibHandle, "disp_api_set_active_display_mode"));
disp_api_get_default_display_mode =
reinterpret_cast<int32_t (*)(uint64_t, uint32_t, int32_t*, uint32_t*)>(
dlsym(mLibHandle, "disp_api_get_default_display_mode"));
disp_api_set_default_display_mode =
reinterpret_cast<int32_t (*)(uint64_t, uint32_t, int32_t, uint32_t)>(
dlsym(mLibHandle, "disp_api_set_default_display_mode"));
#ifdef LIVES_IN_SYSTEM
if (isSupported()) {
DisplayMode mode = getDefaultDisplayModeInternal();
if (mode.id >= 0) {
setDisplayMode(mode.id, false);
}
}
#endif
}
bool DisplayModes::isSupported() {
sdm_feature_version version{};
int32_t count = 0;
uint32_t flags = 0;
static int supported = -1;
if (supported >= 0) {
goto out;
}
if (disp_api_get_feature_version == nullptr ||
disp_api_get_feature_version(mCookie, DISPLAY_MODES_FEATURE, &version, &flags) != 0) {
supported = 0;
goto out;
}
if (version.x <= 0 && version.y <= 0 && version.z <= 0) {
supported = 0;
goto out;
}
if (disp_api_get_num_display_modes == nullptr ||
disp_api_get_num_display_modes(mCookie, 0, 0, &count, &flags) != 0) {
supported = 0;
goto out;
}
supported = (count > 0);
out:
return supported;
}
std::vector<DisplayMode> DisplayModes::getDisplayModesInternal() {
std::vector<DisplayMode> modes;
int32_t count = 0;
uint32_t flags = 0;
if (disp_api_get_num_display_modes == nullptr ||
disp_api_get_num_display_modes(mCookie, 0, 0, &count, &flags) != 0) {
return modes;
}
if (disp_api_get_display_modes != nullptr) {
sdm_disp_mode* tmp = new sdm_disp_mode[count]();
for (int i = 0; i < count; i++) {
tmp[i].id = -1;
tmp[i].name = new char[128]();
tmp[i].len = 128;
}
if (disp_api_get_display_modes(mCookie, 0, 0, tmp, count, &flags) == 0) {
for (int i = 0; i < count; i++) {
modes.push_back(DisplayMode{tmp[i].id, tmp[i].name});
}
}
for (int i = 0; i < count; i++) {
delete[] tmp[i].name;
}
delete[] tmp;
}
return modes;
}
DisplayMode DisplayModes::getDisplayModeById(int32_t id) {
std::vector<DisplayMode> modes = getDisplayModesInternal();
for (const DisplayMode& mode : modes) {
if (mode.id == id) {
return mode;
}
}
return DisplayMode{-1, ""};
}
DisplayMode DisplayModes::getCurrentDisplayModeInternal() {
int32_t id = 0;
uint32_t mask = 0, flags = 0;
if (disp_api_get_active_display_mode != nullptr) {
if (disp_api_get_active_display_mode(mCookie, 0, &id, &mask, &flags) == 0 && id >= 0) {
return getDisplayModeById(id);
}
}
return DisplayMode{-1, ""};
}
DisplayMode DisplayModes::getDefaultDisplayModeInternal() {
int32_t id = 0;
uint32_t flags = 0;
if (disp_api_get_default_display_mode != nullptr) {
if (disp_api_get_default_display_mode(mCookie, 0, &id, &flags) == 0 && id >= 0) {
return getDisplayModeById(id);
}
}
return DisplayMode{-1, ""};
}
// Methods from ::vendor::lineage::livedisplay::V2_0::IDisplayModes follow.
Return<void> DisplayModes::getDisplayModes(getDisplayModes_cb _hidl_cb) {
_hidl_cb(getDisplayModesInternal());
return Void();
}
Return<void> DisplayModes::getCurrentDisplayMode(getCurrentDisplayMode_cb _hidl_cb) {
_hidl_cb(getCurrentDisplayModeInternal());
return Void();
}
Return<void> DisplayModes::getDefaultDisplayMode(getDefaultDisplayMode_cb _hidl_cb) {
_hidl_cb(getDefaultDisplayModeInternal());
return Void();
}
Return<bool> DisplayModes::setDisplayMode(int32_t modeID, bool makeDefault) {
DisplayMode currentMode = getCurrentDisplayModeInternal();
if (currentMode.id >= 0 && currentMode.id == modeID) {
return true;
}
DisplayMode mode = getDisplayModeById(modeID);
if (mode.id < 0) {
return false;
}
if (disp_api_set_active_display_mode == nullptr ||
disp_api_set_active_display_mode(mCookie, 0, modeID, 0)) {
return false;
}
if (makeDefault && (disp_api_set_default_display_mode == nullptr ||
disp_api_set_default_display_mode(mCookie, 0, modeID, 0))) {
return false;
}
PictureAdjustment::updateDefaultPictureAdjustment();
return true;
}
} // namespace sdm
} // namespace V2_0
} // namespace livedisplay
} // namespace lineage
} // namespace vendor
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