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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-mali-hisi"
#include "BufferInfoMaliHisi.h"
#include <log/log.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <cinttypes>
#include "gralloc_priv.h"
#define MALI_ALIGN(value, base) (((value) + ((base)-1)) & ~((base)-1))
namespace android {
LEGACY_BUFFER_INFO_GETTER(BufferInfoMaliHisi);
#if defined(MALI_GRALLOC_INTFMT_AFBC_BASIC) && \
defined(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16)
uint64_t BufferInfoMaliHisi::ConvertGrallocFormatToDrmModifiers(uint64_t flags,
bool is_rgb) {
uint64_t features = 0UL;
if (flags & MALI_GRALLOC_INTFMT_AFBC_BASIC)
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_WIDEBLK)
features |= AFBC_FORMAT_MOD_BLOCK_SIZE_32x8;
if (flags & MALI_GRALLOC_INTFMT_AFBC_TILED_HEADERS)
features |= AFBC_FORMAT_MOD_TILED;
if (features) {
if (is_rgb)
features |= AFBC_FORMAT_MOD_YTR;
return DRM_FORMAT_MOD_ARM_AFBC(features);
}
return 0;
}
#else
uint64_t BufferInfoMaliHisi::ConvertGrallocFormatToDrmModifiers(
uint64_t /* flags */, bool /* is_rgb */) {
return 0;
}
#endif
int BufferInfoMaliHisi::ConvertBoInfo(buffer_handle_t handle,
hwc_drm_bo_t *bo) {
bool is_rgb = false;
auto *hnd = (private_handle_t const *)handle;
if (!hnd)
return -EINVAL;
if (!(hnd->usage & GRALLOC_USAGE_HW_FB))
return -EINVAL;
uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
if (fmt == DRM_FORMAT_INVALID)
return -EINVAL;
is_rgb = IsDrmFormatRgb(fmt);
bo->modifiers[0] = ConvertGrallocFormatToDrmModifiers(hnd->internal_format,
is_rgb);
bo->width = hnd->width;
bo->height = hnd->height;
bo->hal_format = hnd->req_format;
bo->format = fmt;
bo->usage = hnd->usage;
bo->pitches[0] = hnd->byte_stride;
bo->prime_fds[0] = hnd->share_fd;
bo->offsets[0] = 0;
switch (fmt) {
case DRM_FORMAT_YVU420: {
int align = 128;
if (hnd->usage &
(GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK))
align = 16;
int adjusted_height = MALI_ALIGN(hnd->height, 2);
int y_size = adjusted_height * hnd->byte_stride;
int vu_stride = MALI_ALIGN(hnd->byte_stride / 2, align);
int v_size = vu_stride * (adjusted_height / 2);
/* V plane*/
bo->prime_fds[1] = hnd->share_fd;
bo->pitches[1] = vu_stride;
bo->offsets[1] = y_size;
/* U plane */
bo->prime_fds[2] = hnd->share_fd;
bo->pitches[2] = vu_stride;
bo->offsets[2] = y_size + v_size;
break;
}
default:
break;
}
return 0;
}
} // namespace android
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