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/*
* Copyright (C) 2020 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 LOG_TAG "hwc-bufferinfo-imagination"
#include "BufferInfoImagination.h"
#include <xf86drm.h>
#include <cerrno>
#include "img_gralloc1_public.h"
#include "utils/log.h"
namespace android {
LEGACY_BUFFER_INFO_GETTER(BufferInfoImagination);
auto BufferInfoImagination::GetBoInfo(buffer_handle_t handle)
-> std::optional<BufferInfo> {
auto *hnd = (IMG_native_handle_t *)handle;
if (!hnd)
return {};
/* Extra bits are responsible for buffer compression and memory layout */
if (hnd->iFormat & ~0x10f) {
ALOGV("Special buffer formats are not supported");
return {};
}
BufferInfo bi{};
bi.width = hnd->iWidth;
bi.height = hnd->iHeight;
bi.prime_fds[0] = hnd->fd[0];
bi.pitches[0] = ALIGN(hnd->iWidth, HW_ALIGN) * hnd->uiBpp >> 3;
switch (hnd->iFormat) {
#ifdef HAL_PIXEL_FORMAT_BGRX_8888
case HAL_PIXEL_FORMAT_BGRX_8888:
bo->format = DRM_FORMAT_XRGB8888;
break;
#endif
default:
bi.format = ConvertHalFormatToDrm(hnd->iFormat & 0xf);
if (bi.format == DRM_FORMAT_INVALID) {
ALOGV("Cannot convert hal format to drm format %u", hnd->iFormat);
return {};
}
}
return bi;
}
} // namespace android
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