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/*
* Copyright 2013 Red Hat Inc.
*
* 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "nv_include.h"
#include "dri3.h"
static int
nouveau_dri3_open(ScreenPtr screen, RRProviderPtr provider, int *fd)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
NVPtr pNv = NVPTR(scrn);
*fd = open(pNv->drm_device_name, O_RDWR | O_CLOEXEC, 0);
if ((*fd) < 0)
return BadAlloc;
return Success;
}
static PixmapPtr
nouveau_dri3_import(ScreenPtr screen, int fd, CARD16 width, CARD16 height,
CARD16 stride, CARD8 depth, CARD8 bpp)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
NVPtr pNv = NVPTR(scrn);
PixmapPtr ppix;
struct nouveau_pixmap *priv;
int ret;
ppix = screen->CreatePixmap(screen, 0, 0, depth, 0);
priv = ppix ? nouveau_pixmap(ppix) : NULL;
if (!priv)
return NULL;
ret = nouveau_bo_prime_handle_ref(pNv->dev, fd, &priv->bo);
if (ret) {
screen->DestroyPixmap(ppix);
return NULL;
}
screen->ModifyPixmapHeader(ppix, width, height, 0, 0, stride, NULL);
return ppix;
}
static int
nouveau_dri3_export(ScreenPtr screen, PixmapPtr pixmap,
CARD16 *stride, CARD32 *size)
{
struct nouveau_pixmap *priv = nouveau_pixmap(pixmap);
if (priv && priv->bo) {
int fd, ret = nouveau_bo_set_prime(priv->bo, &fd);
if (ret == 0) {
*stride = exaGetPixmapPitch(pixmap);
*size = priv->bo->size;
}
return ret ? ret : fd;
}
return -EINVAL;
}
static struct dri3_screen_info
nouveau_dri3 = {
.version = DRI3_SCREEN_INFO_VERSION,
.open = nouveau_dri3_open,
.pixmap_from_fd = nouveau_dri3_import,
.fd_from_pixmap = nouveau_dri3_export,
};
void
nouveau_dri3_fini(ScreenPtr screen)
{
}
Bool
nouveau_dri3_init(ScreenPtr screen)
{
return dri3_screen_init(screen, &nouveau_dri3);
}
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