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/*
* DRI for the SMedia Glamo3362 X.org Driver
*
* Modified: 2009 by Thomas White <taw@bitwiz.org.uk>
*
* Based on dri2.c from xf86-video-modesetting, to which the following
* notice applies:
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 TUNGSTEN GRAPHICS 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.
*
*
* Author: Alan Hourihane <alanh@tungstengraphics.com>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <xf86.h>
#include <xf86_OSproc.h>
#include <xf86drm.h>
#include <dri2.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "glamo.h"
#include "glamo-dri2.h"
#include "glamo-kms-exa.h"
typedef struct {
PixmapPtr pPixmap;
} GlamoDRI2BufferPrivateRec, *GlamoDRI2BufferPrivatePtr;
#if DRI2INFOREC_VERSION >= 3
static DRI2BufferPtr glamoCreateBuffer(DrawablePtr pDraw,
unsigned int attachment,
unsigned int format)
{
DRI2BufferPtr buffer;
return buffer;
}
#else
static DRI2BufferPtr glamoCreateBuffers(DrawablePtr pDraw,
unsigned int *attachments, int count)
{
ScreenPtr pScreen = pDraw->pScreen;
DRI2BufferPtr buffers;
int i;
GlamoDRI2BufferPrivatePtr privates;
PixmapPtr pPixmap, pDepthPixmap;
buffers = xcalloc(count, sizeof *buffers);
if ( buffers == NULL ) return NULL;
privates = xcalloc(count, sizeof *privates);
if ( privates == NULL ) {
xfree(buffers);
return NULL;
}
pDepthPixmap = NULL;
/* For each attachment */
for ( i=0; i<count; i++ ) {
if ( attachments[i] == DRI2BufferFrontLeft ) {
/* Front left buffer - just dig out the pixmap */
if ( pDraw->type == DRAWABLE_PIXMAP ) {
pPixmap = (PixmapPtr)pDraw;
} else {
pPixmap = (*pScreen->GetWindowPixmap)(
(WindowPtr)pDraw);
}
pPixmap->refcnt++;
} else {
/* Anything else - create a new pixmap */
pPixmap = (*pScreen->CreatePixmap)(pScreen,
pDraw->width,
pDraw->height,
pDraw->depth,
0);
}
if ( attachments[i] == DRI2BufferDepth ) pDepthPixmap = pPixmap;
/* Set up the return data structure */
buffers[i].attachment = attachments[i];
buffers[i].pitch = pPixmap->devKind;
buffers[i].cpp = pPixmap->drawable.bitsPerPixel / 8;
buffers[i].driverPrivate = &privates[i];
buffers[i].flags = 0;
privates[i].pPixmap = pPixmap;
}
return buffers;
}
#endif
#if DRI2INFOREC_VERSION >= 3
static void glamoDestroyBuffer(DrawablePtr pDraw,
DRI2BufferPtr buffer)
{
ScreenPtr pScreen = pDraw->pScreen;
GlamoDRI2BufferPrivatePtr private;
private = buffer->driverPrivate;
(*pScreen->DestroyPixmap)(private->pPixmap);
if ( buffer ) {
xfree(buffer->driverPrivate);
}
}
#else
static void glamoDestroyBuffers(DrawablePtr pDraw,
DRI2BufferPtr buffers, int count)
{
ScreenPtr pScreen = pDraw->pScreen;
int i;
for ( i=0; i<count; i++ ) {
GlamoDRI2BufferPrivatePtr private;
private = buffers[i].driverPrivate;
(*pScreen->DestroyPixmap)(private->pPixmap);
}
if ( buffers ) {
xfree(buffers[0].driverPrivate);
xfree(buffers);
}
}
#endif
static void glamoCopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
DRI2BufferPtr pDestBuffer, DRI2BufferPtr pSrcBuffer)
{
}
void driScreenInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
GlamoPtr pGlamo = GlamoPTR(pScrn);
DRI2InfoRec dri2info;
char *p;
struct stat sbuf;
dev_t d;
int i;
fstat(pGlamo->drm_fd, &sbuf);
d = sbuf.st_rdev;
p = pGlamo->drm_devname;
for ( i=0; i<DRM_MAX_MINOR; i++ ) {
sprintf(p, DRM_DEV_NAME, DRM_DIR_NAME, i);
if ( stat(p, &sbuf) == 0 && sbuf.st_rdev == d ) break;
}
if ( i == DRM_MAX_MINOR ) {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"[glamo-dri] Failed to find name of DRM device\n");
return;
}
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[glamo-dri] Name of DRM device is '%s'\n", p);
dri2info.version = 1;
dri2info.fd = pGlamo->drm_fd;
dri2info.deviceName = p;
dri2info.driverName = "glamo";
#if DRI2INFOREC_VERSION >= 3
dri2info.CreateBuffer = glamoCreateBuffer;
dri2info.DestroyBuffer = glamoDestroyBuffer;
#else
dri2info.CreateBuffers = glamoCreateBuffers;
dri2info.DestroyBuffers = glamoDestroyBuffers;
#endif
dri2info.CopyRegion = glamoCopyRegion;
if ( !DRI2ScreenInit(pScreen, &dri2info) ) return;
}
void driCloseScreen(ScreenPtr pScreen)
{
DRI2CloseScreen(pScreen);
}
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