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/*
* va_wayland.c - Wayland API
*
* Copyright (c) 2012 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 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 "sysdeps.h"
#include <stdarg.h>
#include "va_wayland.h"
#include "va_wayland_drm.h"
#include "va_wayland_emgd.h"
#include "va_wayland_private.h"
#include "va_backend.h"
#include "va_backend_wayland.h"
#include "va_internal.h"
static inline VADriverContextP
get_driver_context(VADisplay dpy)
{
if (!vaDisplayIsValid(dpy))
return NULL;
return ((VADisplayContextP)dpy)->pDriverContext;
}
void
va_wayland_error(const char *format, ...)
{
va_list args;
va_start(args, format);
fprintf(stderr, "VA error: wayland: ");
vfprintf(stderr, format, args);
fprintf(stderr, "\n");
va_end(args);
}
static int
va_DisplayContextIsValid(VADisplayContextP pDisplayContext)
{
VADriverContextP const pDriverContext = pDisplayContext->pDriverContext;
return (pDriverContext &&
pDriverContext->display_type == VA_DISPLAY_WAYLAND);
}
static void
va_DisplayContextDestroy(VADisplayContextP pDisplayContext)
{
VADriverContextP pDriverContext;
VADisplayContextWaylandP pDisplayContextWl;
if (!pDisplayContext)
return;
pDisplayContextWl = pDisplayContext->opaque;
if (pDisplayContextWl && pDisplayContextWl->destroy)
pDisplayContextWl->destroy(pDisplayContext);
pDriverContext = pDisplayContext->pDriverContext;
if (pDriverContext) {
free(pDriverContext->vtable_wayland);
pDriverContext->vtable_wayland = NULL;
free(pDriverContext);
pDisplayContext->pDriverContext = NULL;
}
free(pDisplayContext->opaque);
pDisplayContext->opaque = NULL;
free(pDisplayContext);
}
static VAStatus
va_DisplayContextGetDriverName(VADisplayContextP pDisplayContext, char **name)
{
*name = NULL;
return VA_STATUS_ERROR_UNKNOWN;
}
/* -------------------------------------------------------------------------- */
/* --- Public interface --- */
/* -------------------------------------------------------------------------- */
struct va_wayland_backend {
VADisplayContextCreateFunc create;
VADisplayContextDestroyFunc destroy;
};
static const struct va_wayland_backend g_backends[] = {
{ va_wayland_drm_create,
va_wayland_drm_destroy },
{ va_wayland_emgd_create,
va_wayland_emgd_destroy },
{ NULL, }
};
VADisplay
vaGetDisplayWl(struct wl_display *display)
{
VADisplayContextP pDisplayContext = NULL;
VADriverContextP pDriverContext;
struct VADriverVTableWayland *vtable;
unsigned int i;
pDisplayContext = va_newDisplayContext();
if (!pDisplayContext)
return NULL;
pDisplayContext->vaIsValid = va_DisplayContextIsValid;
pDisplayContext->vaDestroy = va_DisplayContextDestroy;
pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
pDriverContext = va_newDriverContext(pDisplayContext);
if (!pDriverContext)
goto error;
pDriverContext->native_dpy = display;
pDriverContext->display_type = VA_DISPLAY_WAYLAND;
vtable = calloc(1, sizeof(*vtable));
if (!vtable)
goto error;
pDriverContext->vtable_wayland = vtable;
vtable->version = VA_WAYLAND_API_VERSION;
for (i = 0; g_backends[i].create != NULL; i++) {
if (g_backends[i].create(pDisplayContext))
break;
g_backends[i].destroy(pDisplayContext);
}
return (VADisplay)pDisplayContext;
error:
va_DisplayContextDestroy(pDisplayContext);
return NULL;
}
VAStatus
vaGetSurfaceBufferWl(
VADisplay dpy,
VASurfaceID surface,
unsigned int flags,
struct wl_buffer **out_buffer
)
{
VADriverContextP const ctx = get_driver_context(dpy);
if (!ctx)
return VA_STATUS_ERROR_INVALID_DISPLAY;
if (!ctx->vtable_wayland || !ctx->vtable_wayland->vaGetSurfaceBufferWl)
return VA_STATUS_ERROR_UNIMPLEMENTED;
return ctx->vtable_wayland->vaGetSurfaceBufferWl(ctx, surface, flags,
out_buffer);
}
VAStatus
vaGetImageBufferWl(
VADisplay dpy,
VAImageID image,
unsigned int flags,
struct wl_buffer **out_buffer
)
{
VADriverContextP const ctx = get_driver_context(dpy);
if (!ctx)
return VA_STATUS_ERROR_INVALID_DISPLAY;
if (!ctx->vtable_wayland || !ctx->vtable_wayland->vaGetImageBufferWl)
return VA_STATUS_ERROR_UNIMPLEMENTED;
return ctx->vtable_wayland->vaGetImageBufferWl(ctx, image, flags,
out_buffer);
}
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