134 lines
4 KiB
C++
134 lines
4 KiB
C++
/*
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* Copyright (c) 2007 Intel Corporation. All Rights Reserved.
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* Copyright (c) 2023 Emil Velikov
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#define _GNU_SOURCE 1
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#include "sysdeps.h"
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#include "va.h"
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#include "va_backend.h"
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#include "va_internal.h"
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#include "va_trace.h"
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#include "va_android.h"
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#include "va_drmcommon.h"
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#include "va_drm_utils.h"
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#include <stdarg.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <dlfcn.h>
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#include <errno.h>
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#define CHECK_SYMBOL(func) { if (!func) printf("func %s not found\n", #func); return VA_STATUS_ERROR_UNKNOWN; }
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#define DEVICE_NAME "/dev/dri/renderD128"
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static void va_DisplayContextDestroy(
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VADisplayContextP pDisplayContext
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)
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{
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struct drm_state *drm_state;
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if (pDisplayContext == NULL)
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return;
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/* close the open-ed DRM fd */
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drm_state = (struct drm_state *)pDisplayContext->pDriverContext->drm_state;
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close(drm_state->fd);
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free(pDisplayContext->pDriverContext->drm_state);
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free(pDisplayContext->pDriverContext);
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free(pDisplayContext);
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}
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static VAStatus va_DisplayContextConnect(
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VADisplayContextP pDisplayContext
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)
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{
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VADriverContextP const ctx = pDisplayContext->pDriverContext;
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struct drm_state * const drm_state = (struct drm_state *)ctx->drm_state;
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drm_state->fd = open(DEVICE_NAME, O_RDWR | O_CLOEXEC);
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if (drm_state->fd < 0) {
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fprintf(stderr, "Cannot open DRM device '%s': %d, %s\n",
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DEVICE_NAME, errno, strerror(errno));
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return VA_STATUS_ERROR_UNKNOWN;
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}
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drm_state->auth_type = VA_DRM_AUTH_CUSTOM;
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return VA_STATUS_SUCCESS;
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}
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static VAStatus
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va_DisplayContextGetDriverNames(
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VADisplayContextP pDisplayContext,
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char **drivers,
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unsigned *num_drivers
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)
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{
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VADriverContextP const ctx = pDisplayContext->pDriverContext;
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VAStatus status = va_DisplayContextConnect(pDisplayContext);
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if (status != VA_STATUS_SUCCESS)
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return status;
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return VA_DRM_GetDriverNames(ctx, drivers, num_drivers);
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}
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VADisplay vaGetDisplay(
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void *native_dpy /* implementation specific */
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)
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{
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VADisplayContextP pDisplayContext;
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VADriverContextP pDriverContext;
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struct drm_state *drm_state;
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if (!native_dpy)
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return NULL;
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pDisplayContext = va_newDisplayContext();
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if (!pDisplayContext)
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return NULL;
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pDisplayContext->vaDestroy = va_DisplayContextDestroy;
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pDisplayContext->vaGetDriverNames = va_DisplayContextGetDriverNames;
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pDriverContext = va_newDriverContext(pDisplayContext);
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if (!pDriverContext) {
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free(pDisplayContext);
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return NULL;
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}
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pDriverContext->native_dpy = (void *)native_dpy;
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pDriverContext->display_type = VA_DISPLAY_ANDROID;
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drm_state = (struct drm_state*)calloc(1, sizeof(*drm_state));
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if (!drm_state) {
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free(pDisplayContext);
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free(pDriverContext);
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return NULL;
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}
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pDriverContext->drm_state = drm_state;
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return (VADisplay)pDisplayContext;
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}
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