126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
/*
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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-bufferinfo-minigbm"
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#include "BufferInfoMinigbm.h"
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <cerrno>
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#include <cstring>
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#include "utils/log.h"
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namespace android {
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LEGACY_BUFFER_INFO_GETTER(BufferInfoMinigbm);
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constexpr int CROS_GRALLOC_DRM_GET_FORMAT = 1;
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constexpr int CROS_GRALLOC_DRM_GET_DIMENSIONS = 2;
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constexpr int CROS_GRALLOC_DRM_GET_BUFFER_INFO = 4;
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constexpr int CROS_GRALLOC_DRM_GET_USAGE = 5;
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struct cros_gralloc0_buffer_info {
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uint32_t drm_fourcc;
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int num_fds;
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int fds[4];
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uint64_t modifier;
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int offset[4];
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int stride[4];
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};
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int BufferInfoMinigbm::ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) {
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if (handle == nullptr) {
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return -EINVAL;
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}
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uint32_t width{};
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uint32_t height{};
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if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_DIMENSIONS, handle,
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&width, &height) != 0) {
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ALOGE(
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"CROS_GRALLOC_DRM_GET_DIMENSIONS operation has failed. "
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"Please ensure you are using the latest minigbm.");
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return -EINVAL;
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}
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int32_t droid_format{};
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if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_FORMAT, handle,
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&droid_format) != 0) {
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ALOGE(
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"CROS_GRALLOC_DRM_GET_FORMAT operation has failed. "
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"Please ensure you are using the latest minigbm.");
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return -EINVAL;
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}
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uint32_t usage{};
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if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_USAGE, handle, &usage) !=
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0) {
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ALOGE(
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"CROS_GRALLOC_DRM_GET_USAGE operation has failed. "
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"Please ensure you are using the latest minigbm.");
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return -EINVAL;
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}
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struct cros_gralloc0_buffer_info info {};
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if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_BUFFER_INFO, handle,
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&info) != 0) {
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ALOGE(
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"CROS_GRALLOC_DRM_GET_BUFFER_INFO operation has failed. "
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"Please ensure you are using the latest minigbm.");
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return -EINVAL;
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}
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bo->width = width;
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bo->height = height;
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bo->hal_format = droid_format;
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bo->format = info.drm_fourcc;
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bo->usage = usage;
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for (int i = 0; i < info.num_fds; i++) {
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bo->modifiers[i] = info.modifier;
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bo->prime_fds[i] = info.fds[i];
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bo->pitches[i] = info.stride[i];
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bo->offsets[i] = info.offset[i];
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}
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return 0;
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}
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constexpr char cros_gralloc_module_name[] = "CrOS Gralloc";
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int BufferInfoMinigbm::ValidateGralloc() {
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if (strcmp(gralloc_->common.name, cros_gralloc_module_name) != 0) {
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ALOGE("Gralloc name isn't valid: Expected: \"%s\", Actual: \"%s\"",
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cros_gralloc_module_name, gralloc_->common.name);
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return -EINVAL;
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}
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if (gralloc_->perform == nullptr) {
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ALOGE(
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"CrOS gralloc has no perform call implemented. Please upgrade your "
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"minigbm.");
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return -EINVAL;
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}
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return 0;
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}
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} // namespace android
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