You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
3.9 KiB
123 lines
3.9 KiB
/*
|
|
* Copyright 2020 The Chromium OS Authors. All rights reserved.
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "cros_gralloc/gralloc4/CrosGralloc4Allocator.h"
|
|
|
|
#include <android/hardware/graphics/mapper/4.0/IMapper.h>
|
|
#include <gralloctypes/Gralloc4.h>
|
|
|
|
#include "cros_gralloc/cros_gralloc_helpers.h"
|
|
#include "cros_gralloc/gralloc4/CrosGralloc4Utils.h"
|
|
|
|
using android::hardware::hidl_handle;
|
|
using android::hardware::hidl_vec;
|
|
using android::hardware::Return;
|
|
using android::hardware::Void;
|
|
using android::hardware::graphics::common::V1_2::BufferUsage;
|
|
using android::hardware::graphics::common::V1_2::PixelFormat;
|
|
using android::hardware::graphics::mapper::V4_0::Error;
|
|
|
|
using BufferDescriptorInfo =
|
|
android::hardware::graphics::mapper::V4_0::IMapper::BufferDescriptorInfo;
|
|
|
|
CrosGralloc4Allocator::CrosGralloc4Allocator() : mDriver(std::make_unique<cros_gralloc_driver>()) {
|
|
if (mDriver->init()) {
|
|
drv_log("Failed to initialize driver.\n");
|
|
mDriver = nullptr;
|
|
}
|
|
}
|
|
|
|
Error CrosGralloc4Allocator::allocate(const BufferDescriptorInfo& descriptor, uint32_t* outStride,
|
|
hidl_handle* outHandle) {
|
|
if (!mDriver) {
|
|
drv_log("Failed to allocate. Driver is uninitialized.\n");
|
|
return Error::NO_RESOURCES;
|
|
}
|
|
|
|
if (!outStride || !outHandle) {
|
|
return Error::NO_RESOURCES;
|
|
}
|
|
|
|
struct cros_gralloc_buffer_descriptor crosDescriptor;
|
|
if (convertToCrosDescriptor(descriptor, &crosDescriptor)) {
|
|
return Error::UNSUPPORTED;
|
|
}
|
|
|
|
bool supported = mDriver->is_supported(&crosDescriptor);
|
|
if (!supported && (descriptor.usage & BufferUsage::COMPOSER_OVERLAY)) {
|
|
crosDescriptor.use_flags &= ~BO_USE_SCANOUT;
|
|
supported = mDriver->is_supported(&crosDescriptor);
|
|
}
|
|
|
|
if (!supported) {
|
|
std::string drmFormatString = get_drm_format_string(crosDescriptor.drm_format);
|
|
std::string pixelFormatString = getPixelFormatString(descriptor.format);
|
|
std::string usageString = getUsageString(descriptor.usage);
|
|
drv_log("Unsupported combination -- pixel format: %s, drm format:%s, usage: %s\n",
|
|
pixelFormatString.c_str(), drmFormatString.c_str(), usageString.c_str());
|
|
return Error::UNSUPPORTED;
|
|
}
|
|
|
|
buffer_handle_t handle;
|
|
int ret = mDriver->allocate(&crosDescriptor, &handle);
|
|
if (ret) {
|
|
return Error::NO_RESOURCES;
|
|
}
|
|
|
|
cros_gralloc_handle_t crosHandle = cros_gralloc_convert_handle(handle);
|
|
if (!crosHandle) {
|
|
return Error::NO_RESOURCES;
|
|
}
|
|
|
|
*outHandle = handle;
|
|
*outStride = crosHandle->pixel_stride;
|
|
|
|
return Error::NONE;
|
|
}
|
|
|
|
Return<void> CrosGralloc4Allocator::allocate(const hidl_vec<uint8_t>& descriptor, uint32_t count,
|
|
allocate_cb hidlCb) {
|
|
hidl_vec<hidl_handle> handles;
|
|
|
|
if (!mDriver) {
|
|
drv_log("Failed to allocate. Driver is uninitialized.\n");
|
|
hidlCb(Error::NO_RESOURCES, 0, handles);
|
|
return Void();
|
|
}
|
|
|
|
BufferDescriptorInfo description;
|
|
|
|
int ret = android::gralloc4::decodeBufferDescriptorInfo(descriptor, &description);
|
|
if (ret) {
|
|
drv_log("Failed to allocate. Failed to decode buffer descriptor: %d.\n", ret);
|
|
hidlCb(Error::BAD_DESCRIPTOR, 0, handles);
|
|
return Void();
|
|
}
|
|
|
|
handles.resize(count);
|
|
|
|
uint32_t stride = 0;
|
|
for (int i = 0; i < handles.size(); i++) {
|
|
Error err = allocate(description, &stride, &(handles[i]));
|
|
if (err != Error::NONE) {
|
|
for (int j = 0; j < i; j++) {
|
|
mDriver->release(handles[j].getNativeHandle());
|
|
}
|
|
handles.resize(0);
|
|
hidlCb(err, 0, handles);
|
|
return Void();
|
|
}
|
|
}
|
|
|
|
hidlCb(Error::NONE, stride, handles);
|
|
|
|
for (const hidl_handle& handle : handles) {
|
|
mDriver->release(handle.getNativeHandle());
|
|
}
|
|
|
|
return Void();
|
|
}
|