/*
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* Copyright (C) 2018 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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#define LOG_TAG "hwc-platform-drm-minigbm"
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#include "platformminigbm.h"
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#include "drmdevice.h"
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#include "platform.h"
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#include <drm/drm_fourcc.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <hardware/gralloc.h>
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#include <log/log.h>
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#include "cros_gralloc_handle.h"
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namespace android {
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Importer *Importer::CreateInstance(DrmDevice *drm) {
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DrmMinigbmImporter *importer = new DrmMinigbmImporter(drm);
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if (!importer)
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return NULL;
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int ret = importer->Init();
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if (ret) {
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ALOGE("Failed to initialize the minigbm importer %d", ret);
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delete importer;
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return NULL;
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}
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return importer;
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}
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DrmMinigbmImporter::DrmMinigbmImporter(DrmDevice *drm)
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: DrmGenericImporter(drm), drm_(drm) {
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}
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DrmMinigbmImporter::~DrmMinigbmImporter() {
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}
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int DrmMinigbmImporter::Init() {
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int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
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(const hw_module_t **)&gralloc_);
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if (ret) {
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ALOGE("Failed to open gralloc module %d", ret);
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return ret;
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}
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if (strcasecmp(gralloc_->common.author, "Chrome OS"))
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ALOGW("Using non-minigbm gralloc module: %s/%s\n", gralloc_->common.name,
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gralloc_->common.author);
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return 0;
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}
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int DrmMinigbmImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) {
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cros_gralloc_handle *gr_handle = (cros_gralloc_handle *)handle;
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if (!gr_handle)
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return -EINVAL;
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uint32_t gem_handle;
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int ret = drmPrimeFDToHandle(drm_->fd(), gr_handle->fds[0], &gem_handle);
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if (ret) {
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ALOGE("failed to import prime fd %d ret=%d", gr_handle->fds[0], ret);
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return ret;
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}
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memset(bo, 0, sizeof(hwc_drm_bo_t));
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bo->width = gr_handle->width;
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bo->height = gr_handle->height;
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bo->hal_format = gr_handle->droid_format;
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bo->format = gr_handle->format;
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bo->usage = gr_handle->usage;
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bo->pixel_stride = gr_handle->pixel_stride;
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bo->pitches[0] = gr_handle->strides[0];
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bo->offsets[0] = gr_handle->offsets[0];
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bo->gem_handles[0] = gem_handle;
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ret = drmModeAddFB2(drm_->fd(), bo->width, bo->height, bo->format,
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bo->gem_handles, bo->pitches, bo->offsets, &bo->fb_id, 0);
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if (ret) {
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ALOGE("could not create drm fb %d", ret);
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return ret;
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}
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return ret;
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}
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std::unique_ptr<Planner> Planner::CreateInstance(DrmDevice *) {
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std::unique_ptr<Planner> planner(new Planner);
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planner->AddStage<PlanStageGreedy>();
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return planner;
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}
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} // namespace android
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