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/*
* 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>
// We would eliminate the non-conforming zero-length array, but we can't since
// this is effectively included from the Linux kernel
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wzero-length-array"
#include <sync/sync.h>
#pragma clang diagnostic pop
#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 = reinterpret_cast<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,
uint32_t usage, const Rect& bounds, void** vaddr)
{
ATRACE_CALL();
status_t err;
err = mAllocMod->lock(mAllocMod, handle, static_cast<int>(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,
uint32_t 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, static_cast<int>(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,
uint32_t 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, static_cast<int>(usage),
bounds.left, bounds.top, bounds.width(), bounds.height(),
vaddr, fenceFd);
} else {
if (fenceFd >= 0) {
sync_wait(fenceFd, -1);
close(fenceFd);
}
err = mAllocMod->lock(mAllocMod, handle, static_cast<int>(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,
uint32_t 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,
static_cast<int>(usage), bounds.left, bounds.top,
bounds.width(), bounds.height(), ycbcr, fenceFd);
} else if (mAllocMod->lock_ycbcr != NULL) {
if (fenceFd >= 0) {
sync_wait(fenceFd, -1);
close(fenceFd);
}
err = mAllocMod->lock_ycbcr(mAllocMod, handle, static_cast<int>(usage),
bounds.left, bounds.top, bounds.width(), bounds.height(),
ycbcr);
} else {
if (fenceFd >= 0) {
close(fenceFd);
}
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;
}
#ifdef EXYNOS4_ENHANCEMENTS
status_t GraphicBufferMapper::getphys(buffer_handle_t handle, void** paddr)
{
status_t err;
err = mAllocMod->getphys(mAllocMod, handle, paddr);
ALOGW_IF(err, "getphys(%p) fail %d(%s)", handle, err, strerror(-err));
return err;
}
#endif
// ---------------------------------------------------------------------------
}; // namespace android
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