3b3a19c2e0
With gralloc1, munmap is called at the last release() of the buffer in the client process. Do not munmap in every metadata call. Also moves the handle validation/mapping to a common function. CRs-Fixed: 2025982 Change-Id: I8f171d87e31368f4a9f19c916eceb1abda449000
248 lines
8.3 KiB
C++
248 lines
8.3 KiB
C++
/*
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* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <errno.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <cutils/log.h>
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#include <cinttypes>
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#include <gralloc_priv.h>
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#include "qdMetaData.h"
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static int validateAndMap(private_handle_t* handle) {
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if (private_handle_t::validate(handle)) {
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ALOGE("%s: Private handle is invalid - handle:%p", __func__, handle);
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return -1;
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}
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if (handle->fd_metadata == -1) {
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ALOGE("%s: Invalid metadata fd - handle:%p fd: %d",
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__func__, handle, handle->fd_metadata);
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return -1;
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}
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if (!handle->base_metadata) {
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unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
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void *base = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED,
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handle->fd_metadata, 0);
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if (base == reinterpret_cast<void*>(MAP_FAILED)) {
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ALOGE("%s: metadata mmap failed - handle:%p fd: %d err: %s",
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__func__, handle, handle->fd_metadata, strerror(errno));
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return -1;
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}
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handle->base_metadata = (uintptr_t) base;
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}
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return 0;
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}
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int setMetaData(private_handle_t *handle, DispParamType paramType,
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void *param) {
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auto err = validateAndMap(handle);
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if (err != 0)
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return err;
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MetaData_t *data = reinterpret_cast <MetaData_t *>(handle->base_metadata);
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// If parameter is NULL reset the specific MetaData Key
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if (!param) {
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data->operation &= ~paramType;
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}
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data->operation |= paramType;
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switch (paramType) {
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case PP_PARAM_INTERLACED:
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data->interlaced = *((int32_t *)param);
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break;
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case UPDATE_BUFFER_GEOMETRY:
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data->bufferDim = *((BufferDim_t *)param);
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break;
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case UPDATE_REFRESH_RATE:
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data->refreshrate = *((float *)param);
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break;
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case UPDATE_COLOR_SPACE:
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data->colorSpace = *((ColorSpace_t *)param);
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break;
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case MAP_SECURE_BUFFER:
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data->mapSecureBuffer = *((int32_t *)param);
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break;
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case S3D_FORMAT:
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data->s3dFormat = *((uint32_t *)param);
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break;
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case LINEAR_FORMAT:
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data->linearFormat = *((uint32_t *)param);
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break;
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case SET_IGC:
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data->igc = *((IGC_t *)param);
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break;
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case SET_SINGLE_BUFFER_MODE:
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data->isSingleBufferMode = *((uint32_t *)param);
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break;
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case SET_S3D_COMP:
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data->s3dComp = *((S3DGpuComp_t *)param);
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break;
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case SET_VT_TIMESTAMP:
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data->vtTimeStamp = *((uint64_t *)param);
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break;
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#ifdef USE_COLOR_METADATA
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case COLOR_METADATA:
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data->color = *((ColorMetaData *)param);
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#endif
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break;
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default:
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ALOGE("Unknown paramType %d", paramType);
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break;
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}
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return 0;
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}
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int clearMetaData(private_handle_t *handle, DispParamType paramType) {
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auto err = validateAndMap(handle);
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if (err != 0)
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return err;
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MetaData_t *data = reinterpret_cast <MetaData_t *>(handle->base_metadata);
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data->operation &= ~paramType;
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switch (paramType) {
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case SET_S3D_COMP:
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data->s3dComp.displayId = -1;
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data->s3dComp.s3dMode = 0;
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break;
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default:
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ALOGE("Unknown paramType %d", paramType);
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break;
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}
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return 0;
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}
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int getMetaData(private_handle_t *handle, DispFetchParamType paramType,
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void *param) {
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int ret = validateAndMap(handle);
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if (ret != 0)
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return ret;
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MetaData_t *data = reinterpret_cast <MetaData_t *>(handle->base_metadata);
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// Make sure we send 0 only if the operation queried is present
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ret = -EINVAL;
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switch (paramType) {
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case GET_PP_PARAM_INTERLACED:
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if (data->operation & PP_PARAM_INTERLACED) {
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*((int32_t *)param) = data->interlaced;
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ret = 0;
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}
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break;
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case GET_BUFFER_GEOMETRY:
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if (data->operation & UPDATE_BUFFER_GEOMETRY) {
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*((BufferDim_t *)param) = data->bufferDim;
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ret = 0;
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}
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break;
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case GET_REFRESH_RATE:
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if (data->operation & UPDATE_REFRESH_RATE) {
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*((float *)param) = data->refreshrate;
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ret = 0;
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}
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break;
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case GET_COLOR_SPACE:
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if (data->operation & UPDATE_COLOR_SPACE) {
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*((ColorSpace_t *)param) = data->colorSpace;
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ret = 0;
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}
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break;
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case GET_MAP_SECURE_BUFFER:
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if (data->operation & MAP_SECURE_BUFFER) {
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*((int32_t *)param) = data->mapSecureBuffer;
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ret = 0;
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}
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break;
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case GET_S3D_FORMAT:
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if (data->operation & S3D_FORMAT) {
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*((uint32_t *)param) = data->s3dFormat;
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ret = 0;
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}
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break;
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case GET_LINEAR_FORMAT:
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if (data->operation & LINEAR_FORMAT) {
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*((uint32_t *)param) = data->linearFormat;
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ret = 0;
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}
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break;
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case GET_IGC:
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if (data->operation & SET_IGC) {
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*((IGC_t *)param) = data->igc;
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ret = 0;
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}
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break;
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case GET_SINGLE_BUFFER_MODE:
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if (data->operation & SET_SINGLE_BUFFER_MODE) {
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*((uint32_t *)param) = data->isSingleBufferMode;
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ret = 0;
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}
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break;
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case GET_S3D_COMP:
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if (data->operation & SET_S3D_COMP) {
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*((S3DGpuComp_t *)param) = data->s3dComp;
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ret = 0;
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}
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break;
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case GET_VT_TIMESTAMP:
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if (data->operation & SET_VT_TIMESTAMP) {
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*((uint64_t *)param) = data->vtTimeStamp;
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ret = 0;
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}
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break;
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#ifdef USE_COLOR_METADATA
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case GET_COLOR_METADATA:
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if (data->operation & COLOR_METADATA) {
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*((ColorMetaData *)param) = data->color;
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ret = 0;
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}
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#endif
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break;
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default:
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ALOGE("Unknown paramType %d", paramType);
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break;
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}
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return ret;
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}
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int copyMetaData(struct private_handle_t *src, struct private_handle_t *dst) {
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auto err = validateAndMap(src);
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if (err != 0)
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return err;
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err = validateAndMap(dst);
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if (err != 0)
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return err;
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unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
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MetaData_t *src_data = reinterpret_cast <MetaData_t *>(src->base_metadata);
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MetaData_t *dst_data = reinterpret_cast <MetaData_t *>(dst->base_metadata);
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memcpy(src_data, dst_data, size);
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return 0;
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}
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