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/*
* Copyright (C) 2020 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.
*/
#if PLATFORM_SDK_VERSION >= 30
#define LOG_TAG "hwc-bufferinfo-mappermetadata"
#include "BufferInfoMapperMetadata.h"
#include <drm/drm_fourcc.h>
#include <ui/GraphicBufferMapper.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <cinttypes>
#include "utils/log.h"
namespace android {
BufferInfoGetter *BufferInfoMapperMetadata::CreateInstance() {
if (GraphicBufferMapper::getInstance().getMapperVersion() <
GraphicBufferMapper::GRALLOC_4)
return nullptr;
return new BufferInfoMapperMetadata();
}
/* The implementation below makes assumptions on the order and number of file
* descriptors that Gralloc places in the native_handle_t and as such it very
* likely needs to be adapted to match the particular Gralloc implementation
* used in the system. For this reason it is been declared as a weak symbol,
* so that it can be overridden.
*/
int __attribute__((weak))
BufferInfoMapperMetadata::GetFds(buffer_handle_t handle, hwc_drm_bo_t *bo) {
int num_fds = handle->numFds;
if (num_fds >= 1 && num_fds <= 2) {
if (IsDrmFormatRgb(bo->format)) {
bo->prime_fds[0] = handle->data[0];
} else {
bo->prime_fds[0] = bo->prime_fds[1] = bo->prime_fds[2] = handle->data[0];
}
if (bo->prime_fds[0] <= 0) {
ALOGE("Encountered invalid fd %d", bo->prime_fds[0]);
return android::BAD_VALUE;
}
} else if (num_fds >= 3) {
bo->prime_fds[0] = handle->data[0];
bo->prime_fds[1] = handle->data[1];
bo->prime_fds[2] = handle->data[2];
for (int i = 0; i < 3; i++) {
if (bo->prime_fds[i] <= 0) {
ALOGE("Encountered invalid fd %d", bo->prime_fds[i]);
return android::BAD_VALUE;
}
}
}
return 0;
}
int BufferInfoMapperMetadata::ConvertBoInfo(buffer_handle_t handle,
hwc_drm_bo_t *bo) {
GraphicBufferMapper &mapper = GraphicBufferMapper::getInstance();
if (!handle)
return -EINVAL;
uint64_t usage = 0;
int err = mapper.getUsage(handle, &usage);
if (err) {
ALOGE("Failed to get usage err=%d", err);
return err;
}
bo->usage = static_cast<uint32_t>(usage);
ui::PixelFormat hal_format;
err = mapper.getPixelFormatRequested(handle, &hal_format);
if (err) {
ALOGE("Failed to get HAL Pixel Format err=%d", err);
return err;
}
bo->hal_format = static_cast<uint32_t>(hal_format);
err = mapper.getPixelFormatFourCC(handle, &bo->format);
if (err) {
ALOGE("Failed to get FourCC format err=%d", err);
return err;
}
err = mapper.getPixelFormatModifier(handle, &bo->modifiers[0]);
if (err) {
ALOGE("Failed to get DRM Modifier err=%d", err);
return err;
}
uint64_t width = 0;
err = mapper.getWidth(handle, &width);
if (err) {
ALOGE("Failed to get Width err=%d", err);
return err;
}
bo->width = static_cast<uint32_t>(width);
uint64_t height = 0;
err = mapper.getHeight(handle, &height);
if (err) {
ALOGE("Failed to get Height err=%d", err);
return err;
}
bo->height = static_cast<uint32_t>(height);
std::vector<ui::PlaneLayout> layouts;
err = mapper.getPlaneLayouts(handle, &layouts);
if (err) {
ALOGE("Failed to get Plane Layouts err=%d", err);
return err;
}
for (uint32_t i = 0; i < layouts.size(); i++) {
bo->modifiers[i] = bo->modifiers[0];
bo->pitches[i] = layouts[i].strideInBytes;
bo->offsets[i] = layouts[i].offsetInBytes;
}
return GetFds(handle, bo);
}
} // namespace android
#endif
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