| /* |
| * 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 |