static void
swrastGetImageShm(__DRIdrawable * read,
int x, int y, int w, int h,
int shmid, void *loaderPrivate)
{
struct drisw_drawable *prp = loaderPrivate;
__GLXDRIdrawable *pread = &(prp->base);
Display *dpy = pread->psc->dpy;
Drawable readable;
XImage *ximage;
if (!prp->ximage || shmid != prp->shminfo.shmid) {
if (!XCreateDrawable(prp, shmid, dpy))
return;
}
readable = pread->xDrawable;
ximage = prp->ximage;
ximage->data = prp->shminfo.shmaddr; /* no offset */
ximage->width = w;
ximage->height = h;
ximage->bytes_per_line = bytes_per_line(w * ximage->bits_per_pixel, 32);
XShmGetImage(dpy, readable, ximage, x, y, ~0L);
}
static void
swrastGetImage2(__DRIdrawable * read,
int x, int y, int w, int h, int stride,
char *data, void *loaderPrivate)
{
struct drisw_drawable *prp = loaderPrivate;
__GLXDRIdrawable *pread = &(prp->base);
Display *dpy = pread->psc->dpy;
Drawable readable;
XImage *ximage;
if (!prp->ximage || prp->shminfo.shmid >= 0) {
if (!XCreateDrawable(prp, -1, dpy))
return;
}
readable = pread->xDrawable;
ximage = prp->ximage;
ximage->data = data;
ximage->width = w;
ximage->height = h;
ximage->bytes_per_line = stride ? stride : bytes_per_line(w * ximage->bits_per_pixel, 32);
XGetSubImage(dpy, readable, x, y, w, h, ~0L, ZPixmap, ximage, 0, 0);
ximage->data = NULL;
}
static void
swrastXPutImage(__DRIdrawable * draw, int op,
int srcx, int srcy, int x, int y,
int w, int h, int stride,
int shmid, char *data, void *loaderPrivate)
{
struct drisw_drawable *pdp = loaderPrivate;
__GLXDRIdrawable *pdraw = &(pdp->base);
Display *dpy = pdraw->psc->dpy;
Drawable drawable;
XImage *ximage;
GC gc;
if (!pdp->ximage || shmid != pdp->shminfo.shmid) {
if (!XCreateDrawable(pdp, shmid, dpy))
return;
}
switch (op) {
case __DRI_SWRAST_IMAGE_OP_DRAW:
gc = pdp->gc;
break;
case __DRI_SWRAST_IMAGE_OP_SWAP:
gc = pdp->swapgc;
break;
default:
return;
}
drawable = pdraw->xDrawable;
ximage = pdp->ximage;
ximage->bytes_per_line = stride ? stride : bytes_per_line(w * ximage->bits_per_pixel, 32);
ximage->data = data;
if (pdp->shminfo.shmid >= 0) {
ximage->width = ximage->bytes_per_line / ((ximage->bits_per_pixel + 7)/ 8);
ximage->height = h;
XShmPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h, False);
XSync(dpy, False);
} else {
ximage->width = w;
ximage->height = h;
XPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h);
}
ximage->data = NULL;
}
static __GLXDRIdrawable *driCreateDrawable(__GLXscreenConfigs *psc,
XID xDrawable,
GLXDrawable drawable,
const __GLcontextModes *modes)
{
__GLXDRIdrawable *pdraw;
__GLXDRIdrawablePrivate *pdp;
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes;
const __DRIswrastExtension *swrast = psc->swrast;
/* Old dri can't handle GLX 1.3+ drawable constructors. */
if (xDrawable != drawable)
return NULL;
pdp = Xmalloc(sizeof(*pdp));
if (!pdp)
return NULL;
pdraw = &(pdp->base);
pdraw->xDrawable = xDrawable;
pdraw->drawable = drawable;
pdraw->psc = psc;
XCreateDrawable(pdp, psc->dpy, xDrawable, modes->visualID);
/* Create a new drawable */
pdraw->driDrawable =
(*swrast->createNewDrawable)(psc->__driScreen,
config->driConfig,
pdp);
if (!pdraw->driDrawable) {
XDestroyDrawable(pdp, psc->dpy, xDrawable);
Xfree(pdp);
return NULL;
}
pdraw->destroyDrawable = driDestroyDrawable;
return pdraw;
}
