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/*
* Copyright (C) 2019 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-mali-meson"
#include "BufferInfoMaliMeson.h"
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <cinttypes>
#include "gralloc_priv.h"
#include "utils/log.h"
namespace android {
LEGACY_BUFFER_INFO_GETTER(BufferInfoMaliMeson);
#if defined(MALI_GRALLOC_INTFMT_AFBC_BASIC) && \
defined(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16)
uint64_t BufferInfoMaliMeson::ConvertGrallocFormatToDrmModifiers(
uint64_t flags) {
uint64_t features = 0UL;
if (flags & MALI_GRALLOC_INTFMT_AFBC_BASIC) {
if (flags & MALI_GRALLOC_INTFMT_AFBC_WIDEBLK)
features |= AFBC_FORMAT_MOD_BLOCK_SIZE_32x8;
else
features |= AFBC_FORMAT_MOD_BLOCK_SIZE_16x16;
}
if (flags & MALI_GRALLOC_INTFMT_AFBC_SPLITBLK)
features |= (AFBC_FORMAT_MOD_SPLIT | AFBC_FORMAT_MOD_SPARSE);
if (flags & MALI_GRALLOC_INTFMT_AFBC_TILED_HEADERS)
features |= AFBC_FORMAT_MOD_TILED;
if (features)
return DRM_FORMAT_MOD_ARM_AFBC(features | AFBC_FORMAT_MOD_YTR);
return 0;
}
#else
uint64_t BufferInfoMaliMeson::ConvertGrallocFormatToDrmModifiers(
uint64_t /* flags */) {
return 0;
}
#endif
auto BufferInfoMaliMeson::GetBoInfo(buffer_handle_t handle)
-> std::optional<BufferInfo> {
const auto *hnd = (private_handle_t const *)handle;
if (!hnd)
return {};
if (!(hnd->usage & GRALLOC_USAGE_HW_FB))
return {};
uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
if (fmt == DRM_FORMAT_INVALID)
return {};
BufferInfo bi{};
bi.modifiers[0] = BufferInfoMaliMeson::ConvertGrallocFormatToDrmModifiers(
hnd->internal_format);
bi.width = hnd->width;
bi.height = hnd->height;
bi.format = fmt;
bi.prime_fds[0] = hnd->share_fd;
bi.pitches[0] = hnd->byte_stride;
bi.offsets[0] = 0;
return bi;
}
} // namespace android
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