diff options
Diffstat (limited to 'libs/ui/DisplayMode.cpp')
-rw-r--r-- | libs/ui/DisplayMode.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/libs/ui/DisplayMode.cpp b/libs/ui/DisplayMode.cpp new file mode 100644 index 0000000000..cf05dbfb05 --- /dev/null +++ b/libs/ui/DisplayMode.cpp @@ -0,0 +1,69 @@ +/* + * Copyright 2021 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 <ui/DisplayMode.h> + +#include <cstdint> + +#include <ui/FlattenableHelpers.h> + +#define RETURN_IF_ERROR(op) \ + if (const status_t status = (op); status != OK) return status; + +namespace android::ui { + +size_t DisplayMode::getFlattenedSize() const { + return FlattenableHelpers::getFlattenedSize(id) + + FlattenableHelpers::getFlattenedSize(resolution) + + FlattenableHelpers::getFlattenedSize(xDpi) + + FlattenableHelpers::getFlattenedSize(yDpi) + + FlattenableHelpers::getFlattenedSize(refreshRate) + + FlattenableHelpers::getFlattenedSize(appVsyncOffset) + + FlattenableHelpers::getFlattenedSize(sfVsyncOffset) + + FlattenableHelpers::getFlattenedSize(presentationDeadline) + + FlattenableHelpers::getFlattenedSize(group); +} + +status_t DisplayMode::flatten(void* buffer, size_t size) const { + if (size < getFlattenedSize()) { + return NO_MEMORY; + } + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, id)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, resolution)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, xDpi)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, yDpi)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, refreshRate)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, appVsyncOffset)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, sfVsyncOffset)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, presentationDeadline)); + RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, group)); + return OK; +} + +status_t DisplayMode::unflatten(const void* buffer, size_t size) { + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &id)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &resolution)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &xDpi)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &yDpi)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &refreshRate)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &appVsyncOffset)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &sfVsyncOffset)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &presentationDeadline)); + RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &group)); + return OK; +} + +} // namespace android::ui |