1 /* 2 * va_drm_utils.h - VA/DRM Utilities 3 * 4 * Copyright (c) 2012 Intel Corporation. All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 27 #ifndef VA_DRM_UTILS_H 28 #define VA_DRM_UTILS_H 29 30 #include <va/va_backend.h> 31 32 /** 33 * \file va_drm_utils.h 34 * \brief VA/DRM Utilities 35 * 36 * This file contains VA/DRM utility functions. The API herein defined is 37 * internal to libva. Users include the VA/DRM API itself or VA/Android, 38 * should it be based on DRM. 39 */ 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /** 46 * \brief Returns the VA driver name for the active display. 47 * 48 * This functions returns a newly allocated buffer in @driver_name_ptr that 49 * contains the VA driver name for the active display. Active display means 50 * the display obtained with any of the vaGetDisplay*() functions. 51 * 52 * The VADriverContext.drm_state structure must be valid, i.e. allocated 53 * and containing an open DRM connection descriptor. The DRM connection 54 * does *not* need to be authenticated as it only performs a call to 55 * drmGetVersion(). 56 * 57 * @param[in] ctx the pointer to a VADriverContext 58 * @param[out] driver_name_ptr the newly allocated buffer containing 59 * the VA driver name 60 * @return VA_STATUS_SUCCESS if operation is successful, or another 61 * #VAStatus value otherwise. 62 */ 63 DLL_HIDDEN 64 VAStatus 65 VA_DRM_GetDriverName(VADriverContextP ctx, char **driver_name_ptr); 66 67 /**@}*/ 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* VA_DRM_UTILS_H */ 74
