| /* |
| * 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 "va.h" |
| #include "va_backend.h" |
| #include "va_android.h" |
| #include "x11/va_dricommon.h" /* needs some helper functions from this file */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <string.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/card0" |
| |
| static VADisplayContextP pDisplayContexts = NULL; |
| |
| 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 /* required */ | O_NONBLOCK, 0); |
| |
| 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 |
| ) |
| { |
| VADisplayContextP ctx = pDisplayContexts; |
| |
| while (ctx) |
| { |
| if (ctx == pDisplayContext && pDisplayContext->pDriverContext) |
| return 1; |
| ctx = ctx->pNext; |
| } |
| return 0; |
| } |
| |
| static void va_DisplayContextDestroy ( |
| VADisplayContextP pDisplayContext |
| ) |
| { |
| VADisplayContextP *ctx = &pDisplayContexts; |
| |
| /* Throw away pDisplayContext */ |
| while (*ctx) |
| { |
| if (*ctx == pDisplayContext) |
| { |
| *ctx = pDisplayContext->pNext; |
| pDisplayContext->pNext = NULL; |
| break; |
| } |
| ctx = &((*ctx)->pNext); |
| } |
| free(pDisplayContext->pDriverContext->dri_state); |
| free(pDisplayContext->pDriverContext); |
| free(pDisplayContext); |
| } |
| |
| |
| static VAStatus va_DisplayContextGetDriverName ( |
| VADisplayContextP pDisplayContext, |
| char **driver_name |
| ) |
| { |
| VADriverContextP ctx = pDisplayContext->pDriverContext; |
| struct dri_state *dri_state = (struct dri_state *)ctx->dri_state; |
| char *driver_name_env; |
| int vendor_id, device_id; |
| |
| struct { |
| int vendor_id; |
| int device_id; |
| char driver_name[64]; |
| } devices[] = { |
| { 0x8086, 0x4100, "pvr" }, |
| { 0x8086, 0x0130, "pvr" }, |
| { 0x0, 0x0, "\0" }, |
| }; |
| |
| memset(dri_state, 0, sizeof(*dri_state)); |
| dri_state->fd = open_device(DEVICE_NAME); |
| |
| if (dri_state->fd < 0) { |
| fprintf(stderr,"can't open DRM devices\n"); |
| return VA_STATUS_ERROR_UNKNOWN; |
| } |
| |
| if ((driver_name_env = getenv("LIBVA_DRIVER_NAME")) != NULL |
| && geteuid() == getuid()) { |
| /* don't allow setuid apps to use LIBVA_DRIVER_NAME */ |
| *driver_name = strdup(driver_name_env); |
| return VA_STATUS_SUCCESS; |
| } else { /* TBD: other vendor driver names */ |
| vendor_id = devices[0].vendor_id; |
| device_id = devices[0].device_id; |
| *driver_name = strdup(devices[0].driver_name); |
| } |
| |
| dri_state->driConnectedFlag = VA_DUMMY; |
| |
| return VA_STATUS_SUCCESS; |
| } |
| |
| |
| VADisplay vaGetDisplay ( |
| void *native_dpy /* implementation specific */ |
| ) |
| { |
| VADisplay dpy = NULL; |
| VADisplayContextP pDisplayContext = pDisplayContexts; |
| |
| if (!native_dpy) |
| return NULL; |
| |
| while (pDisplayContext) |
| { |
| if (pDisplayContext->pDriverContext && |
| pDisplayContext->pDriverContext->native_dpy == (void *)native_dpy) |
| { |
| dpy = (VADisplay)pDisplayContext; |
| break; |
| } |
| pDisplayContext = pDisplayContext->pNext; |
| } |
| |
| |
| if (!dpy) |
| { |
| /* create new entry */ |
| VADriverContextP pDriverContext; |
| struct dri_state *dri_state; |
| pDisplayContext = (VADisplayContextP)calloc(1, sizeof(*pDisplayContext)); |
| pDriverContext = (VADriverContextP)calloc(1, sizeof(*pDriverContext)); |
| dri_state = calloc(1, sizeof(*dri_state)); |
| if (pDisplayContext && pDriverContext && dri_state) |
| { |
| pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC; |
| |
| pDriverContext->native_dpy = (void *)native_dpy; |
| pDisplayContext->pNext = pDisplayContexts; |
| pDisplayContext->pDriverContext = pDriverContext; |
| pDisplayContext->vaIsValid = va_DisplayContextIsValid; |
| pDisplayContext->vaDestroy = va_DisplayContextDestroy; |
| pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName; |
| pDisplayContexts = pDisplayContext; |
| pDriverContext->dri_state = dri_state; |
| dpy = (VADisplay)pDisplayContext; |
| } |
| else |
| { |
| if (pDisplayContext) |
| free(pDisplayContext); |
| if (pDriverContext) |
| free(pDriverContext); |
| if (dri_state) |
| free(dri_state); |
| } |
| } |
| |
| return dpy; |
| } |
| |
| #define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext) |
| #define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; } |
| |
| static int vaDisplayIsValid(VADisplay dpy) |
| { |
| VADisplayContextP pDisplayContext = (VADisplayContextP)dpy; |
| return pDisplayContext && (pDisplayContext->vadpy_magic == VA_DISPLAY_MAGIC) && pDisplayContext->vaIsValid(pDisplayContext); |
| } |
| |
| #ifdef ANDROID |
| VAStatus vaPutSurface ( |
| VADisplay dpy, |
| VASurfaceID surface, |
| Surface *draw, /* Android Surface/Window */ |
| short srcx, |
| short srcy, |
| unsigned short srcw, |
| unsigned short srch, |
| short destx, |
| short desty, |
| unsigned short destw, |
| unsigned short desth, |
| VARectangle *cliprects, /* client supplied clip list */ |
| unsigned int number_cliprects, /* number of clip rects in the clip list */ |
| unsigned int flags /* de-interlacing flags */ |
| ) |
| { |
| VADriverContextP ctx; |
| |
| CHECK_DISPLAY(dpy); |
| ctx = CTX(dpy); |
| |
| return ctx->vtable.vaPutSurface( ctx, surface, (void *)draw, srcx, srcy, srcw, srch, |
| destx, desty, destw, desth, |
| cliprects, number_cliprects, flags ); |
| } |
| |
| #endif |