1 /* 2 * Copyright 2016 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #include "cros_gralloc_helpers.h" 8 9 #include <sync/sync.h> 10 11 uint32_t cros_gralloc_convert_format(int format) 12 { 13 /* 14 * Conversion from HAL to fourcc-based DRV formats based on 15 * platform_android.c in mesa. 16 */ 17 18 switch (format) { 19 case HAL_PIXEL_FORMAT_BGRA_8888: 20 return DRM_FORMAT_ARGB8888; 21 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 22 return DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED; 23 case HAL_PIXEL_FORMAT_RGB_565: 24 return DRM_FORMAT_RGB565; 25 case HAL_PIXEL_FORMAT_RGB_888: 26 return DRM_FORMAT_BGR888; 27 case HAL_PIXEL_FORMAT_RGBA_8888: 28 return DRM_FORMAT_ABGR8888; 29 case HAL_PIXEL_FORMAT_RGBX_8888: 30 return DRM_FORMAT_XBGR8888; 31 case HAL_PIXEL_FORMAT_YCbCr_420_888: 32 return DRM_FORMAT_FLEX_YCbCr_420_888; 33 case HAL_PIXEL_FORMAT_YV12: 34 return DRM_FORMAT_YVU420_ANDROID; 35 /* 36 * Choose DRM_FORMAT_R8 because <system/graphics.h> requires the buffers 37 * with a format HAL_PIXEL_FORMAT_BLOB have a height of 1, and width 38 * equal to their size in bytes. 39 */ 40 case HAL_PIXEL_FORMAT_BLOB: 41 return DRM_FORMAT_R8; 42 } 43 44 return DRM_FORMAT_NONE; 45 } 46 47 cros_gralloc_handle_t cros_gralloc_convert_handle(buffer_handle_t handle) 48 { 49 auto hnd = reinterpret_cast<cros_gralloc_handle_t>(handle); 50 if (!hnd || hnd->magic != cros_gralloc_magic) 51 return nullptr; 52 53 return hnd; 54 } 55 56 int32_t cros_gralloc_sync_wait(int32_t acquire_fence) 57 { 58 if (acquire_fence < 0) 59 return 0; 60 61 /* 62 * Wait initially for 1000 ms, and then wait indefinitely. The SYNC_IOC_WAIT 63 * documentation states the caller waits indefinitely on the fence if timeout < 0. 64 */ 65 int err = sync_wait(acquire_fence, 1000); 66 if (err < 0) { 67 drv_log("Timed out on sync wait, err = %s\n", strerror(errno)); 68 err = sync_wait(acquire_fence, -1); 69 if (err < 0) { 70 drv_log("sync wait error = %s\n", strerror(errno)); 71 return -errno; 72 } 73 } 74 75 err = close(acquire_fence); 76 if (err) { 77 drv_log("Unable to close fence fd, err = %s\n", strerror(errno)); 78 return -errno; 79 } 80 81 return 0; 82 } 83
