| /* |
| * Copyright (c) 2007 Intel Corporation. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #define _GNU_SOURCE 1 |
| #include "sysdeps.h" |
| #include "va.h" |
| #include "va_backend.h" |
| #include "va_internal.h" |
| #include "va_trace.h" |
| #include "va_fool.h" |
| #include "va_android.h" |
| #include "va_drmcommon.h" |
| #include "va_drm_utils.h" |
| #include <stdarg.h> |
| #include <unistd.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <dlfcn.h> |
| #include <errno.h> |
| |
| |
| #define CHECK_SYMBOL(func) { if (!func) printf("func %s not found\n", #func); return VA_STATUS_ERROR_UNKNOWN; } |
| #define DEVICE_NAME "/dev/dri/renderD128" |
| |
| static int open_device (char *dev_name) |
| { |
| struct stat st; |
| int fd; |
| |
| if (-1 == stat (dev_name, &st)) |
| { |
| printf ("Cannot identify '%s': %d, %s\n", |
| dev_name, errno, strerror (errno)); |
| return -1; |
| } |
| |
| if (!S_ISCHR (st.st_mode)) |
| { |
| printf ("%s is no device\n", dev_name); |
| return -1; |
| } |
| |
| fd = open (dev_name, O_RDWR); |
| |
| if (-1 == fd) |
| { |
| fprintf (stderr, "Cannot open '%s': %d, %s\n", |
| dev_name, errno, strerror (errno)); |
| return -1; |
| } |
| |
| return fd; |
| } |
| |
| static int va_DisplayContextIsValid ( |
| VADisplayContextP pDisplayContext |
| ) |
| { |
| return (pDisplayContext != NULL && |
| pDisplayContext->pDriverContext != NULL); |
| } |
| |
| static void va_DisplayContextDestroy ( |
| VADisplayContextP pDisplayContext |
| ) |
| { |
| struct drm_state *drm_state; |
| |
| if (pDisplayContext == NULL) |
| return; |
| |
| /* close the open-ed DRM fd */ |
| drm_state = (struct drm_state *)pDisplayContext->pDriverContext->drm_state; |
| close(drm_state->fd); |
| |
| free(pDisplayContext->pDriverContext->drm_state); |
| free(pDisplayContext->pDriverContext); |
| free(pDisplayContext); |
| } |
| |
| static VAStatus va_DisplayContextGetNumCandidates( |
| VADisplayContextP pDisplayContext, |
| int *num_candidates |
| ) |
| { |
| VADriverContextP const ctx = pDisplayContext->pDriverContext; |
| struct drm_state * drm_state = (struct drm_state *)ctx->drm_state; |
| |
| memset(drm_state, 0, sizeof(*drm_state)); |
| drm_state->fd = open_device((char *)DEVICE_NAME); |
| |
| if (drm_state->fd < 0) { |
| fprintf(stderr,"can't open DRM devices\n"); |
| return VA_STATUS_ERROR_UNKNOWN; |
| } |
| drm_state->auth_type = VA_DRM_AUTH_CUSTOM; |
| return VA_DRM_GetNumCandidates(ctx, num_candidates); |
| } |
| |
| static VAStatus va_DisplayContextGetDriverNameByIndex ( |
| VADisplayContextP pDisplayContext, |
| char **driver_name, |
| int candidate_index |
| ) |
| { |
| VADriverContextP const ctx = pDisplayContext->pDriverContext; |
| |
| return VA_DRM_GetDriverName(ctx, driver_name, candidate_index); |
| } |
| |
| |
| VADisplay vaGetDisplay ( |
| void *native_dpy /* implementation specific */ |
| ) |
| { |
| VADisplayContextP pDisplayContext; |
| VADriverContextP pDriverContext; |
| struct drm_state *drm_state; |
| |
| if (!native_dpy) |
| return NULL; |
| |
| pDisplayContext = va_newDisplayContext(); |
| if (!pDisplayContext) |
| return NULL; |
| |
| pDisplayContext->vaIsValid = va_DisplayContextIsValid; |
| pDisplayContext->vaDestroy = va_DisplayContextDestroy; |
| pDisplayContext->vaGetDriverNameByIndex = va_DisplayContextGetDriverNameByIndex; |
| pDisplayContext->vaGetNumCandidates = va_DisplayContextGetNumCandidates; |
| |
| pDriverContext = va_newDriverContext(pDisplayContext); |
| if (!pDriverContext) { |
| free(pDisplayContext); |
| return NULL; |
| } |
| |
| pDriverContext->native_dpy = (void *)native_dpy; |
| pDriverContext->display_type = VA_DISPLAY_ANDROID; |
| |
| drm_state = (struct drm_state*)calloc(1, sizeof(*drm_state)); |
| if (!drm_state) { |
| free(pDisplayContext); |
| free(pDriverContext); |
| return NULL; |
| } |
| |
| pDriverContext->drm_state = drm_state; |
| |
| return (VADisplay)pDisplayContext; |
| } |