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/*
* Copyright (C) 2018 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.
*/
#define LOG_TAG "hwc-bufferinfo-minigbm"
#include "BufferInfoMinigbm.h"
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <cerrno>
#include <cstring>
#include "utils/log.h"
namespace android {
LEGACY_BUFFER_INFO_GETTER(BufferInfoMinigbm);
constexpr int CROS_GRALLOC_DRM_GET_FORMAT = 1;
constexpr int CROS_GRALLOC_DRM_GET_DIMENSIONS = 2;
constexpr int CROS_GRALLOC_DRM_GET_BUFFER_INFO = 4;
constexpr int CROS_GRALLOC_DRM_GET_USAGE = 5;
struct cros_gralloc0_buffer_info {
uint32_t drm_fourcc;
int num_fds;
int fds[4];
uint64_t modifier;
int offset[4];
int stride[4];
};
int BufferInfoMinigbm::ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) {
if (handle == nullptr) {
return -EINVAL;
}
uint32_t width{};
uint32_t height{};
if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_DIMENSIONS, handle,
&width, &height) != 0) {
ALOGE(
"CROS_GRALLOC_DRM_GET_DIMENSIONS operation has failed. "
"Please ensure you are using the latest minigbm.");
return -EINVAL;
}
int32_t droid_format{};
if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_FORMAT, handle,
&droid_format) != 0) {
ALOGE(
"CROS_GRALLOC_DRM_GET_FORMAT operation has failed. "
"Please ensure you are using the latest minigbm.");
return -EINVAL;
}
uint32_t usage{};
if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_USAGE, handle, &usage) !=
0) {
ALOGE(
"CROS_GRALLOC_DRM_GET_USAGE operation has failed. "
"Please ensure you are using the latest minigbm.");
return -EINVAL;
}
struct cros_gralloc0_buffer_info info {};
if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_BUFFER_INFO, handle,
&info) != 0) {
ALOGE(
"CROS_GRALLOC_DRM_GET_BUFFER_INFO operation has failed. "
"Please ensure you are using the latest minigbm.");
return -EINVAL;
}
bo->width = width;
bo->height = height;
bo->hal_format = droid_format;
bo->format = info.drm_fourcc;
bo->usage = usage;
for (int i = 0; i < info.num_fds; i++) {
bo->modifiers[i] = info.modifier;
bo->prime_fds[i] = info.fds[i];
bo->pitches[i] = info.stride[i];
bo->offsets[i] = info.offset[i];
}
return 0;
}
constexpr char cros_gralloc_module_name[] = "CrOS Gralloc";
int BufferInfoMinigbm::ValidateGralloc() {
if (strcmp(gralloc_->common.name, cros_gralloc_module_name) != 0) {
ALOGE("Gralloc name isn't valid: Expected: \"%s\", Actual: \"%s\"",
cros_gralloc_module_name, gralloc_->common.name);
return -EINVAL;
}
if (gralloc_->perform == nullptr) {
ALOGE(
"CrOS gralloc has no perform call implemented. Please upgrade your "
"minigbm.");
return -EINVAL;
}
return 0;
}
} // namespace android
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