1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "drmhwc" 18 19 #include "BufferInfoImagination.h" 20 21 #include <xf86drm.h> 22 23 #include <cerrno> 24 25 #include "img_gralloc1_public.h" 26 #include "utils/log.h" 27 28 namespace android { 29 30 LEGACY_BUFFER_INFO_GETTER(BufferInfoImagination); 31 GetBoInfo(buffer_handle_t handle)32auto BufferInfoImagination::GetBoInfo(buffer_handle_t handle) 33 -> std::optional<BufferInfo> { 34 auto *hnd = (IMG_native_handle_t *)handle; 35 if (!hnd) 36 return {}; 37 38 /* Extra bits are responsible for buffer compression and memory layout */ 39 if (hnd->iFormat & ~0x10f) { 40 ALOGV("Special buffer formats are not supported"); 41 return {}; 42 } 43 44 BufferInfo bi{}; 45 46 bi.width = hnd->iWidth; 47 bi.height = hnd->iHeight; 48 bi.prime_fds[0] = hnd->fd[0]; 49 bi.pitches[0] = ALIGN(hnd->iWidth, HW_ALIGN) * hnd->uiBpp >> 3; 50 51 switch (hnd->iFormat) { 52 #ifdef HAL_PIXEL_FORMAT_BGRX_8888 53 case HAL_PIXEL_FORMAT_BGRX_8888: 54 bi.format = DRM_FORMAT_XRGB8888; 55 break; 56 #endif 57 default: 58 bi.format = ConvertHalFormatToDrm(hnd->iFormat & 0xf); 59 if (bi.format == DRM_FORMAT_INVALID) { 60 ALOGV("Cannot convert hal format to drm format %u", hnd->iFormat); 61 return {}; 62 } 63 } 64 65 return bi; 66 } 67 68 } // namespace android 69