va/magma/va_magma.c

/*
 * Copyright (c) 2021 The Fuchsia Authors. 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 INTEL 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.
 */

#include "magma.h"
#include "sysdeps.h"
#include "va_backend.h"
#include "va_internal.h"

static int
va_DisplayContextIsValid(VADisplayContextP pDisplayContext)
{
    return 1;
}

static void
va_DisplayContextDestroy(VADisplayContextP pDisplayContext)
{
    if (!pDisplayContext)
        return;

    free(pDisplayContext->pDriverContext);
    free(pDisplayContext);
}

static VAStatus
va_DisplayContextGetDriverName(
    VADisplayContextP pDisplayContext,
    char            **driver_name_ptr
)
{
    *driver_name_ptr = strdup("iHD");
    return VA_STATUS_SUCCESS;
}


VADisplay
vaGetDisplayMagma(magma_device_t device)
{
    // Must be free'd.
    VADisplayContextP pDisplayContext = va_newDisplayContext();
    if (!pDisplayContext)
        return NULL;

    pDisplayContext->vaIsValid = va_DisplayContextIsValid;
    pDisplayContext->vaDestroy = va_DisplayContextDestroy;
    pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
    pDisplayContext->vaGetDriverNameByIndex = NULL;
    pDisplayContext->vaGetNumCandidates = NULL;

    // Must be free'd.
    VADriverContextP pDriverContext = va_newDriverContext(pDisplayContext);
    if (!pDriverContext)
        return NULL;

    pDriverContext->magma_device = device;

    return pDisplayContext;
}