mirror of
https://github.com/AetherDroid/android_device_samsung_universal7570-common.git
synced 2025-09-05 07:57:46 -04:00
138 lines
3.3 KiB
C++
138 lines
3.3 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "GraphicBufferMapper_shim"
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#define LOG_NDEBUG 0
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#include <stdint.h>
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#include <errno.h>
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#include <sync/sync.h>
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#include <utils/Errors.h>
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#include <utils/Log.h>
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#include <utils/Trace.h>
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#include <ui/Rect.h>
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#include <hardware/gralloc.h>
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#include "GraphicBufferMapper.h"
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namespace android {
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ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper )
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GraphicBufferMapper::GraphicBufferMapper()
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: mModule(nullptr)
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{
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const hw_module_t* module;
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int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
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ALOGE_IF(err, "cannot find gralloc-module %s", GRALLOC_HARDWARE_MODULE_ID);
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if (err == 0) {
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mModule = reinterpret_cast<gralloc_module_t const *>(module);
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}
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}
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status_t GraphicBufferMapper::importBuffer(buffer_handle_t handle, buffer_handle_t* outHandle)
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{
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ATRACE_CALL();
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status_t err;
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if (mModule->registerBuffer == NULL) {
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ALOGW("registerBuffer(%p) not found", handle);
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return -EINVAL;
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}
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err = mModule->registerBuffer(mModule, handle);
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*outHandle = handle;
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ALOGW_IF(err, "registerBuffer(%p) failed: %d (%s)", handle, -err, strerror(-err));
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return err;
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}
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status_t GraphicBufferMapper::freeBuffer(buffer_handle_t handle)
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{
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ATRACE_CALL();
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status_t err;
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if (mModule->unregisterBuffer == NULL) {
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ALOGW("unregisterBuffer(%p) not found", handle);
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return -EINVAL;
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}
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err = mModule->unregisterBuffer(mModule, handle);
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ALOGW_IF(err, "unregisterBuffer(%p) failed: %d (%s)", handle, -err, strerror(-err));
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return err;
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}
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status_t GraphicBufferMapper::lock(buffer_handle_t handle,
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uint32_t usage, const Rect& bounds, void** vaddr)
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{
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ATRACE_CALL();
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status_t err;
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if (mModule->lock == NULL) {
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ALOGW("lock(%p) not found", handle);
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return -EINVAL;
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}
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err = mModule->lock(mModule, handle, static_cast<int>(usage),
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bounds.left, bounds.top, bounds.width(), bounds.height(),
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vaddr);
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ALOGW_IF(err, "lock(%p) failed: %d (%s)", handle, -err, strerror(-err));
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return err;
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}
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status_t GraphicBufferMapper::lockYCbCr(buffer_handle_t handle,
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uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr)
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{
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ATRACE_CALL();
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status_t err;
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if (mModule->lock_ycbcr == NULL) {
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ALOGW("lock_ycbcr(%p) not found", handle);
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return -EINVAL;
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}
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err = mModule->lock_ycbcr(mModule, handle, static_cast<int>(usage),
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bounds.left, bounds.top, bounds.width(), bounds.height(),
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ycbcr);
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ALOGW_IF(err, "lock_ycbcr(%p) failed: %d (%s)", handle, -err, strerror(-err));
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return err;
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}
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status_t GraphicBufferMapper::unlock(buffer_handle_t handle)
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{
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ATRACE_CALL();
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status_t err;
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if (mModule->unlock == NULL) {
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ALOGW("unlock(%p) not found", handle);
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return -EINVAL;
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}
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err = mModule->unlock(mModule, handle);
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ALOGW_IF(err, "unlock(%p) failed: %d (%s)", handle, -err, strerror(-err));
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return err;
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}
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}; // namespace android
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