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147 lines
4.1 KiB
147 lines
4.1 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if PLATFORM_SDK_VERSION >= 30
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#define LOG_TAG "hwc-bufferinfo-mappermetadata"
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#include "BufferInfoMapperMetadata.h"
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#include <drm/drm_fourcc.h>
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#include <inttypes.h>
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#include <log/log.h>
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#include <ui/GraphicBufferMapper.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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using android::hardware::graphics::common::V1_1::BufferUsage;
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namespace android {
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BufferInfoGetter *BufferInfoMapperMetadata::CreateInstance() {
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if (GraphicBufferMapper::getInstance().getMapperVersion() <
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GraphicBufferMapper::GRALLOC_4)
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return nullptr;
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return new BufferInfoMapperMetadata();
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}
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/* The implementation below makes assumptions on the order and number of file
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* descriptors that Gralloc places in the native_handle_t and as such it very
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* likely needs to be adapted to match the particular Gralloc implementation
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* used in the system. For this reason it is been declared as a weak symbol,
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* so that it can be overridden.
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*/
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int __attribute__((weak))
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BufferInfoMapperMetadata::GetFds(buffer_handle_t handle, hwc_drm_bo_t *bo) {
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int num_fds = handle->numFds;
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if (num_fds >= 1 && num_fds <= 2) {
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if (IsDrmFormatRgb(bo->format)) {
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bo->prime_fds[0] = handle->data[0];
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} else {
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bo->prime_fds[0] = bo->prime_fds[1] = bo->prime_fds[2] = handle->data[0];
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}
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if (bo->prime_fds[0] <= 0) {
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ALOGE("Encountered invalid fd %d", bo->prime_fds[0]);
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return android::BAD_VALUE;
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}
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} else if (num_fds >= 3) {
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bo->prime_fds[0] = handle->data[0];
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bo->prime_fds[1] = handle->data[1];
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bo->prime_fds[2] = handle->data[2];
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for (int i = 0; i < 3; i++) {
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if (bo->prime_fds[i] <= 0) {
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ALOGE("Encountered invalid fd %d", bo->prime_fds[i]);
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return android::BAD_VALUE;
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}
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}
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}
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return 0;
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}
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int BufferInfoMapperMetadata::ConvertBoInfo(buffer_handle_t handle,
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hwc_drm_bo_t *bo) {
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GraphicBufferMapper &mapper = GraphicBufferMapper::getInstance();
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if (!handle)
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return -EINVAL;
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uint64_t usage = 0;
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int err = mapper.getUsage(handle, &usage);
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if (err) {
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ALOGE("Failed to get usage err=%d", err);
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return err;
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}
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bo->usage = static_cast<uint32_t>(usage);
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ui::PixelFormat hal_format;
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err = mapper.getPixelFormatRequested(handle, &hal_format);
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if (err) {
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ALOGE("Failed to get HAL Pixel Format err=%d", err);
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return err;
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}
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bo->hal_format = static_cast<uint32_t>(hal_format);
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err = mapper.getPixelFormatFourCC(handle, &bo->format);
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if (err) {
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ALOGE("Failed to get FourCC format err=%d", err);
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return err;
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}
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err = mapper.getPixelFormatModifier(handle, &bo->modifiers[0]);
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if (err) {
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ALOGE("Failed to get DRM Modifier err=%d", err);
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return err;
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}
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bo->with_modifiers = true;
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uint64_t width = 0;
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err = mapper.getWidth(handle, &width);
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if (err) {
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ALOGE("Failed to get Width err=%d", err);
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return err;
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}
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bo->width = static_cast<uint32_t>(width);
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uint64_t height = 0;
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err = mapper.getHeight(handle, &height);
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if (err) {
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ALOGE("Failed to get Height err=%d", err);
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return err;
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}
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bo->height = static_cast<uint32_t>(height);
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std::vector<ui::PlaneLayout> layouts;
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err = mapper.getPlaneLayouts(handle, &layouts);
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if (err) {
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ALOGE("Failed to get Plane Layouts err=%d", err);
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return err;
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}
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for (uint32_t i = 0; i < layouts.size(); i++) {
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bo->modifiers[i] = bo->modifiers[0];
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bo->pitches[i] = layouts[i].strideInBytes;
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bo->offsets[i] = layouts[i].offsetInBytes;
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}
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return GetFds(handle, bo);
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}
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} // namespace android
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#endif
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