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119 lines
3.1 KiB
119 lines
3.1 KiB
4 months ago
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/*
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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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#define LOG_TAG "hwc-buffer-info-getter"
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#include "BufferInfoGetter.h"
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#if PLATFORM_SDK_VERSION >= 30
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#include "BufferInfoMapperMetadata.h"
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#endif
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#include <cutils/properties.h>
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#include <gralloc_handle.h>
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#include <hardware/gralloc.h>
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#include <log/log.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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namespace android {
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BufferInfoGetter *BufferInfoGetter::GetInstance() {
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static std::unique_ptr<BufferInfoGetter> inst;
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if (inst == nullptr) {
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#if PLATFORM_SDK_VERSION >= 30
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inst.reset(BufferInfoMapperMetadata::CreateInstance());
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if (inst == nullptr) {
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ALOGW(
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"Generic buffer getter is not available. Falling back to legacy...");
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#endif
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inst.reset(LegacyBufferInfoGetter::CreateInstance());
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#if PLATFORM_SDK_VERSION >= 30
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}
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#endif
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}
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return inst.get();
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}
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bool BufferInfoGetter::IsHandleUsable(buffer_handle_t handle) {
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hwc_drm_bo_t bo;
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memset(&bo, 0, sizeof(hwc_drm_bo_t));
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if (ConvertBoInfo(handle, &bo) != 0)
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return false;
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if (bo.prime_fds[0] == 0)
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return false;
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return true;
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}
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int LegacyBufferInfoGetter::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");
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return ret;
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}
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ALOGI("Using %s gralloc module: %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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uint32_t LegacyBufferInfoGetter::ConvertHalFormatToDrm(uint32_t hal_format) {
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switch (hal_format) {
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case HAL_PIXEL_FORMAT_RGB_888:
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return DRM_FORMAT_BGR888;
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case HAL_PIXEL_FORMAT_BGRA_8888:
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return DRM_FORMAT_ARGB8888;
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case HAL_PIXEL_FORMAT_RGBX_8888:
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return DRM_FORMAT_XBGR8888;
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case HAL_PIXEL_FORMAT_RGBA_8888:
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return DRM_FORMAT_ABGR8888;
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case HAL_PIXEL_FORMAT_RGB_565:
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return DRM_FORMAT_BGR565;
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case HAL_PIXEL_FORMAT_YV12:
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return DRM_FORMAT_YVU420;
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default:
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ALOGE("Cannot convert hal format to drm format %u", hal_format);
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return DRM_FORMAT_INVALID;
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}
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}
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bool BufferInfoGetter::IsDrmFormatRgb(uint32_t drm_format) {
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switch (drm_format) {
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case DRM_FORMAT_ARGB8888:
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case DRM_FORMAT_XBGR8888:
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case DRM_FORMAT_ABGR8888:
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case DRM_FORMAT_BGR888:
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case DRM_FORMAT_BGR565:
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return true;
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default:
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return false;
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}
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}
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__attribute__((weak)) LegacyBufferInfoGetter *
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LegacyBufferInfoGetter::CreateInstance() {
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ALOGE("No legacy buffer info getters available");
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return nullptr;
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}
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} // namespace android
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