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/*
* Copyright © 2013-2014 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xorg-server.h"
#include "xf86.h"
#include "fb.h"
#include "intel.h"
#if USE_UXA
#include "intel_uxa.h"
#endif
#include "dri3.h"
static int
intel_dri3_open(ScreenPtr screen,
RRProviderPtr provider,
int *out)
{
int fd;
fd = intel_get_client_fd(xf86ScreenToScrn(screen));
if (fd < 0)
return -fd;
*out = fd;
return Success;
}
static PixmapPtr intel_dri3_pixmap_from_fd(ScreenPtr screen,
int fd,
CARD16 width,
CARD16 height,
CARD16 stride,
CARD8 depth,
CARD8 bpp)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
intel_screen_private *intel = intel_get_screen_private(scrn);
PixmapPtr pixmap;
dri_bo *bo;
if (depth < 8)
return NULL;
switch (bpp) {
case 8:
case 16:
case 32:
break;
default:
return NULL;
}
pixmap = fbCreatePixmap(screen, 0, 0, depth, 0);
if (!pixmap)
return NULL;
if (!screen->ModifyPixmapHeader(pixmap, width, height, 0, 0, stride, NULL))
goto free_pixmap;
bo = drm_intel_bo_gem_create_from_prime(intel->bufmgr,
fd, (uint32_t)height * stride);
if (bo == NULL)
goto free_pixmap;
intel_set_pixmap_bo(pixmap, bo);
dri_bo_unreference(bo);
#if USE_UXA
if (intel->accel == ACCEL_UXA) {
struct intel_uxa_pixmap *priv;
priv = intel_uxa_get_pixmap_private(pixmap);
if (priv == NULL)
goto free_pixmap;
priv->pinned |= PIN_DRI3;
}
#endif
return pixmap;
free_pixmap:
fbDestroyPixmap(pixmap);
return NULL;
}
static int intel_dri3_fd_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
CARD16 *stride,
CARD32 *size)
{
dri_bo *bo;
int fd;
bo = intel_get_pixmap_bo(pixmap);
if (!bo)
return -1;
if (drm_intel_bo_gem_export_to_prime(bo, &fd) < 0)
return -1;
#if USE_UXA
if (intel_get_screen_private(xf86ScreenToScrn(screen))->accel== ACCEL_UXA) {
struct intel_uxa_pixmap *priv;
if (intel_pixmap_pitch(pixmap) > UINT16_MAX)
return -1;
priv = intel_uxa_get_pixmap_private(pixmap);
if (!priv)
return -1;
priv->pinned |= PIN_DRI3;
}
#endif
*stride = intel_pixmap_pitch(pixmap);
*size = bo->size;
return fd;
}
static dri3_screen_info_rec intel_dri3_screen_info = {
.version = DRI3_SCREEN_INFO_VERSION,
.open = intel_dri3_open,
.pixmap_from_fd = intel_dri3_pixmap_from_fd,
.fd_from_pixmap = intel_dri3_fd_from_pixmap
};
Bool
intel_dri3_screen_init(ScreenPtr screen)
{
return dri3_screen_init(screen, &intel_dri3_screen_info);
}
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