/* * Copyright (C) 2007 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 "GraphicBufferMapper" #define ATRACE_TAG ATRACE_TAG_GRAPHICS #include <stdint.h> #include <errno.h> #include <sync/sync.h> #include <utils/Errors.h> #include <utils/Log.h> #include <utils/Trace.h> #include <ui/GraphicBufferMapper.h> #include <ui/Rect.h> #include <hardware/gralloc.h> namespace android { // --------------------------------------------------------------------------- ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper ) GraphicBufferMapper::GraphicBufferMapper() : mAllocMod(0) { hw_module_t const* module; int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module); ALOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID); if (err == 0) { mAllocMod = (gralloc_module_t const *)module; } } status_t GraphicBufferMapper::registerBuffer(buffer_handle_t handle) { ATRACE_CALL(); status_t err; err = mAllocMod->registerBuffer(mAllocMod, handle); ALOGW_IF(err, "registerBuffer(%p) failed %d (%s)", handle, err, strerror(-err)); return err; } status_t GraphicBufferMapper::unregisterBuffer(buffer_handle_t handle) { ATRACE_CALL(); status_t err; err = mAllocMod->unregisterBuffer(mAllocMod, handle); ALOGW_IF(err, "unregisterBuffer(%p) failed %d (%s)", handle, err, strerror(-err)); return err; } status_t GraphicBufferMapper::lock(buffer_handle_t handle, int usage, const Rect& bounds, void** vaddr) { ATRACE_CALL(); status_t err; err = mAllocMod->lock(mAllocMod, handle, usage, bounds.left, bounds.top, bounds.width(), bounds.height(), vaddr); ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err)); return err; } status_t GraphicBufferMapper::lockYCbCr(buffer_handle_t handle, int usage, const Rect& bounds, android_ycbcr *ycbcr) { ATRACE_CALL(); status_t err; if (mAllocMod->lock_ycbcr == NULL) { return -EINVAL; // do not log failure } err = mAllocMod->lock_ycbcr(mAllocMod, handle, usage, bounds.left, bounds.top, bounds.width(), bounds.height(), ycbcr); ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err)); return err; } status_t GraphicBufferMapper::unlock(buffer_handle_t handle) { ATRACE_CALL(); status_t err; err = mAllocMod->unlock(mAllocMod, handle); ALOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err)); return err; } status_t GraphicBufferMapper::lockAsync(buffer_handle_t handle, int usage, const Rect& bounds, void** vaddr, int fenceFd) { ATRACE_CALL(); status_t err; if (mAllocMod->common.module_api_version >= GRALLOC_MODULE_API_VERSION_0_3) { err = mAllocMod->lockAsync(mAllocMod, handle, usage, bounds.left, bounds.top, bounds.width(), bounds.height(), vaddr, fenceFd); } else { sync_wait(fenceFd, -1); close(fenceFd); err = mAllocMod->lock(mAllocMod, handle, usage, bounds.left, bounds.top, bounds.width(), bounds.height(), vaddr); } ALOGW_IF(err, "lockAsync(...) failed %d (%s)", err, strerror(-err)); return err; } status_t GraphicBufferMapper::lockAsyncYCbCr(buffer_handle_t handle, int usage, const Rect& bounds, android_ycbcr *ycbcr, int fenceFd) { ATRACE_CALL(); status_t err; if (mAllocMod->common.module_api_version >= GRALLOC_MODULE_API_VERSION_0_3 && mAllocMod->lockAsync_ycbcr != NULL) { err = mAllocMod->lockAsync_ycbcr(mAllocMod, handle, usage, bounds.left, bounds.top, bounds.width(), bounds.height(), ycbcr, fenceFd); } else if (mAllocMod->lock_ycbcr != NULL) { sync_wait(fenceFd, -1); close(fenceFd); err = mAllocMod->lock_ycbcr(mAllocMod, handle, usage, bounds.left, bounds.top, bounds.width(), bounds.height(), ycbcr); } else { return -EINVAL; // do not log failure } ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err)); return err; } status_t GraphicBufferMapper::unlockAsync(buffer_handle_t handle, int *fenceFd) { ATRACE_CALL(); status_t err; if (mAllocMod->common.module_api_version >= GRALLOC_MODULE_API_VERSION_0_3) { err = mAllocMod->unlockAsync(mAllocMod, handle, fenceFd); } else { *fenceFd = -1; err = mAllocMod->unlock(mAllocMod, handle); } ALOGW_IF(err, "unlockAsync(...) failed %d (%s)", err, strerror(-err)); return err; } // --------------------------------------------------------------------------- }; // namespace android