libexynosgraphicbuffer/gralloc4/exynos_graphicbuffer_mapper.cpp

/*
 * Copyright (C) 2020 Samsung Electronics Co. Ltd.
 *
 * 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 <ExynosGraphicBuffer.h>
#include <exynos_format.h>
#include <gralloc_helper.h>
#include <log/log.h>
#include <mali_gralloc_buffer.h>
#include <mali_gralloc_formats.h>
#include <ui/Gralloc.h>

using namespace android;
using namespace vendor::graphics;

status_t ExynosGraphicBufferMapper::lock64(buffer_handle_t handle, uint64_t usage, const Rect &bounds, void **vaddr,
                                           int32_t *outBytesPerPixel, int32_t *outBytesPerStride) {
    return lockAsync(handle, usage, usage, bounds, vaddr, -1);
}

status_t ExynosGraphicBufferMapper::lockYCbCr64(buffer_handle_t handle, uint64_t usage, const Rect &bounds,
                                                android_ycbcr *ycbcr) {
    status_t err = getGrallocMapper().lock(handle, usage, bounds, -1, ycbcr);

    if (!(usage & ExynosGraphicBufferUsage::VIDEO_PRIVATE_DATA))
        return err;

    /* TODO: clean this typecasting... */
    const private_handle_t *const hnd = (private_handle_t *)handle;

    switch (hnd->alloc_format & MALI_GRALLOC_INTFMT_FMT_MASK) {
        case HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_SBWC:
        case HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_10B_SBWC:
            ycbcr->cb = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC:
            ycbcr->y = (void *)(hnd->bases[0]);
            ycbcr->cb = (void *)(hnd->bases[1]);
            [[fallthrough]];
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC_L50:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC_L75:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L40:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L60:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L80:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC_L50:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC_L75:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L40:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L60:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L80:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M:
        case HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_FULL:
            ycbcr->cb = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M:
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_S10B:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_S10B:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        case HAL_PIXEL_FORMAT_EXYNOS_YCbCr_P010_M:
            ycbcr->cr = (void *)(hnd->attr_base);
            break;
        default:
            break;
    }

    return err;
}