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/*
* Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
#define DEBUG 0
#include "QtiMapper.h"
#include <cutils/trace.h>
#include <qdMetaData.h>
#include <sync/sync.h>
#include "gr_utils.h"
namespace vendor {
namespace qti {
namespace hardware {
namespace display {
namespace mapper {
namespace V3_0 {
namespace implementation {
using gralloc::BufferInfo;
QtiMapper::QtiMapper() {
extensions_ = new QtiMapperExtensions();
buf_mgr_ = BufferManager::GetInstance();
ALOGD_IF(DEBUG, "Created QtiMapper instance");
}
bool QtiMapper::ValidDescriptor(const BufferDescriptorInfo_3_0 &bd) {
if (bd.width == 0 || bd.height == 0 || (static_cast<int32_t>(bd.format) <= 0) ||
bd.layerCount <= 0) {
return false;
}
return true;
}
Error QtiMapper::CreateDescriptor(const BufferDescriptorInfo_3_0 &descriptor_info,
IMapperBufferDescriptor *descriptor) {
ALOGD_IF(DEBUG,
"BufferDescriptorInfo: wxh: %dx%d usage: 0x%" PRIu64 " format: %d layer_count: %d",
descriptor_info.width, descriptor_info.height, descriptor_info.usage,
static_cast<uint32_t>(descriptor_info.format), descriptor_info.layerCount);
if (ValidDescriptor(descriptor_info)) {
auto vec = Encode(descriptor_info);
*descriptor = vec;
return Error::NONE;
} else {
return Error::BAD_VALUE;
}
}
// Methods from ::android::hardware::graphics::mapper::V2_0::IMapper follow.
Return<void> QtiMapper::createDescriptor(const BufferDescriptorInfo_3_0 &descriptor_info,
createDescriptor_cb hidl_cb) {
IMapperBufferDescriptor descriptor;
auto info_3_0 = BufferDescriptorInfo_3_0{
descriptor_info.width,
descriptor_info.height,
descriptor_info.layerCount,
static_cast<PixelFormat>(descriptor_info.format),
descriptor_info.usage,
};
auto err = CreateDescriptor(info_3_0, &descriptor);
hidl_cb(err, descriptor);
return Void();
}
Return<void> QtiMapper::importBuffer(const hidl_handle &raw_handle, importBuffer_cb hidl_cb) {
if (!raw_handle.getNativeHandle()) {
ALOGE("%s: Unable to import handle", __FUNCTION__);
hidl_cb(Error::BAD_BUFFER, nullptr);
return Void();
}
native_handle_t *buffer_handle = native_handle_clone(raw_handle.getNativeHandle());
if (!buffer_handle) {
ALOGE("%s: Unable to clone handle", __FUNCTION__);
hidl_cb(Error::NO_RESOURCES, nullptr);
return Void();
}
auto error =
static_cast<IMapper_3_0_Error>(buf_mgr_->RetainBuffer(PRIV_HANDLE_CONST(buffer_handle)));
if (error != Error::NONE) {
ALOGE("%s: Unable to retain handle: %p", __FUNCTION__, buffer_handle);
native_handle_close(buffer_handle);
native_handle_delete(buffer_handle);
hidl_cb(error, nullptr);
return Void();
}
ALOGD_IF(DEBUG, "Imported handle: %p id: %" PRIu64, buffer_handle,
PRIV_HANDLE_CONST(buffer_handle)->id);
hidl_cb(Error::NONE, buffer_handle);
return Void();
}
Return<Error> QtiMapper::freeBuffer(void *buffer) {
if (!buffer) {
return Error::BAD_BUFFER;
}
return static_cast<IMapper_3_0_Error>(buf_mgr_->ReleaseBuffer(PRIV_HANDLE_CONST(buffer)));
}
bool QtiMapper::GetFenceFd(const hidl_handle &fence_handle, int *outFenceFd) {
auto handle = fence_handle.getNativeHandle();
if (handle && handle->numFds > 1) {
ALOGE("invalid fence handle with %d fds", handle->numFds);
return false;
}
*outFenceFd = (handle && handle->numFds == 1) ? handle->data[0] : -1;
return true;
}
void QtiMapper::WaitFenceFd(int fence_fd) {
if (fence_fd < 0) {
return;
}
const int timeout = 3000;
ATRACE_BEGIN("fence wait");
const int error = sync_wait(fence_fd, timeout);
ATRACE_END();
if (error < 0) {
ALOGE("QtiMapper: lock fence %d didn't signal in %u ms - error: %s", fence_fd, timeout,
strerror(errno));
}
}
Error QtiMapper::LockBuffer(void *buffer, uint64_t usage, const hidl_handle &acquire_fence) {
if (!buffer) {
return Error::BAD_BUFFER;
}
int fence_fd;
if (!GetFenceFd(acquire_fence, &fence_fd)) {
return Error::BAD_VALUE;
}
if (fence_fd > 0) {
WaitFenceFd(fence_fd);
}
auto hnd = PRIV_HANDLE_CONST(buffer);
return static_cast<IMapper_3_0_Error>(buf_mgr_->LockBuffer(hnd, usage));
}
Return<void> QtiMapper::lock(void *buffer, uint64_t cpu_usage,
const IMapper::Rect & /*access_region*/,
const hidl_handle &acquire_fence, lock_cb hidl_cb) {
auto err = LockBuffer(buffer, cpu_usage, acquire_fence);
if (err != Error::NONE) {
hidl_cb(err, nullptr, -1, -1);
return Void();
}
auto hnd = PRIV_HANDLE_CONST(buffer);
auto *out_data = reinterpret_cast<void *>(hnd->base);
hidl_cb(err, out_data, gralloc::GetBpp(hnd->format),
(hnd->width) * (gralloc::GetBpp(hnd->format)));
return Void();
}
Return<void> QtiMapper::lockYCbCr(void *buffer, uint64_t cpu_usage,
const IMapper::Rect & /*access_region*/,
const hidl_handle &acquire_fence, lockYCbCr_cb hidl_cb) {
YCbCrLayout layout = {};
auto err = LockBuffer(buffer, cpu_usage, acquire_fence);
if (err != Error::NONE) {
hidl_cb(err, layout);
return Void();
}
auto hnd = PRIV_HANDLE_CONST(buffer);
android_ycbcr yuv_plane_info[2];
if (gralloc::GetYUVPlaneInfo(hnd, yuv_plane_info) != 0) {
hidl_cb(Error::BAD_VALUE, layout);
}
layout.y = yuv_plane_info[0].y;
layout.cr = yuv_plane_info[0].cr;
layout.cb = yuv_plane_info[0].cb;
layout.yStride = static_cast<uint32_t>(yuv_plane_info[0].ystride);
layout.cStride = static_cast<uint32_t>(yuv_plane_info[0].cstride);
layout.chromaStep = static_cast<uint32_t>(yuv_plane_info[0].chroma_step);
hidl_cb(Error::NONE, layout);
return Void();
}
Return<void> QtiMapper::unlock(void *buffer, unlock_cb hidl_cb) {
auto err = Error::BAD_BUFFER;
if (buffer != nullptr) {
err = static_cast<IMapper_3_0_Error>(buf_mgr_->UnlockBuffer(PRIV_HANDLE_CONST(buffer)));
}
// We don't have a release fence
hidl_cb(err, hidl_handle(nullptr));
return Void();
}
Return<Error> QtiMapper::validateBufferSize(void *buffer,
const BufferDescriptorInfo_3_0 &descriptor_info,
uint32_t /*stride*/) {
auto err = Error::BAD_BUFFER;
auto hnd = static_cast<private_handle_t *>(buffer);
if (buffer != nullptr && private_handle_t::validate(hnd) == 0) {
if (static_cast<IMapper_3_0_Error>(buf_mgr_->IsBufferImported(hnd)) != Error::NONE) {
return Error::BAD_BUFFER;
}
auto info = gralloc::BufferInfo(descriptor_info.width, descriptor_info.height,
static_cast<uint32_t>(descriptor_info.format),
static_cast<uint64_t>(descriptor_info.usage));
info.layer_count = descriptor_info.layerCount;
err = static_cast<IMapper_3_0_Error>(buf_mgr_->ValidateBufferSize(hnd, info));
}
return err;
}
Return<void> QtiMapper::getTransportSize(void *buffer, IMapper_3_0::getTransportSize_cb hidl_cb) {
auto err = Error::BAD_BUFFER;
auto hnd = static_cast<private_handle_t *>(buffer);
uint32_t num_fds = 0, num_ints = 0;
if (buffer != nullptr && private_handle_t::validate(hnd) == 0) {
if (static_cast<IMapper_3_0_Error>(buf_mgr_->IsBufferImported(hnd)) != Error::NONE) {
hidl_cb(err, num_fds, num_ints);
return Void();
}
num_fds = 2;
// TODO(user): reduce to transported values;
num_ints = static_cast<uint32_t >(hnd->numInts);
err = Error::NONE;
}
ALOGD_IF(DEBUG, "GetTransportSize: num fds: %d num ints: %d err:%d", num_fds, num_ints, err);
hidl_cb(err, num_fds, num_ints);
return Void();
}
Return<void> QtiMapper::isSupported(const BufferDescriptorInfo_3_0 &descriptor_info,
IMapper_3_0::isSupported_cb hidl_cb) {
IMapperBufferDescriptor descriptor;
auto err = CreateDescriptor(descriptor_info, &descriptor);
if (err != Error::NONE) {
hidl_cb(err, false);
return Void();
}
gralloc::BufferDescriptor desc;
err = static_cast<IMapper_3_0_Error>(Decode(descriptor, &desc));
if (err != Error::NONE) {
hidl_cb(err, false);
return Void();
}
buffer_handle_t buffer;
err = static_cast<IMapper_3_0_Error>(buf_mgr_->AllocateBuffer(desc, &buffer, 0, true));
if (err != Error::NONE) {
hidl_cb(err, false);
} else {
hidl_cb(err, true);
}
return Void();
}
Return<void> QtiMapper::getMapperExtensions(QtiMapper::getMapperExtensions_cb hidl_cb) {
if (extensions_ != nullptr) {
hidl_cb(Error::NONE, extensions_);
} else {
hidl_cb(Error::UNSUPPORTED, extensions_);
}
return Void();
}
// Methods from ::android::hidl::base::V1_0::IBase follow.
// When we are in passthrough mode, this method is used
// by hidl to obtain the SP HAL object
extern "C" IMapper_3_0 *HIDL_FETCH_IMapper(const char * /* name */) {
ALOGD_IF(DEBUG, "Fetching IMapper from QtiMapper");
auto mapper = new QtiMapper();
return static_cast<IMapper_3_0 *>(mapper);
}
extern "C" IQtiMapper *HIDL_FETCH_IQtiMapper(const char * /* name */) {
ALOGD_IF(DEBUG, "Fetching QtiMapper");
return new QtiMapper();
}
} // namespace implementation
} // namespace V3_0
} // namespace mapper
} // namespace display
} // namespace hardware
} // namespace qti
} // namespace vendor