#include <X11/extensions/shmproto.h>
#include <assert.h>
-static Bool
-XCreateGCs(struct drisw_drawable * pdp,
- Display * dpy, XID drawable, int visualid)
-{
- XGCValues gcvalues;
- long visMask;
- XVisualInfo visTemp;
- int num_visuals;
-
- /* create GC's */
- pdp->gc = XCreateGC(dpy, drawable, 0, NULL);
- pdp->swapgc = XCreateGC(dpy, drawable, 0, NULL);
-
- gcvalues.function = GXcopy;
- gcvalues.graphics_exposures = False;
- XChangeGC(dpy, pdp->gc, GCFunction, &gcvalues);
- XChangeGC(dpy, pdp->swapgc, GCFunction, &gcvalues);
- XChangeGC(dpy, pdp->swapgc, GCGraphicsExposures, &gcvalues);
-
- /* visual */
- visTemp.visualid = visualid;
- visMask = VisualIDMask;
- pdp->visinfo = XGetVisualInfo(dpy, visMask, &visTemp, &num_visuals);
-
- if (!pdp->visinfo || num_visuals == 0)
- return False;
-
- return True;
-}
-
static int xshm_error = 0;
static int xshm_opcode = -1;
if (pdp->ximage) {
XDestroyImage(pdp->ximage);
pdp->ximage = NULL;
+ if ((pdp->shminfo.shmid > 0) && (shmid != pdp->shminfo.shmid))
+ XShmDetach(dpy, &pdp->shminfo);
}
if (!xshm_error && shmid >= 0) {
pdp->shminfo.shmid = shmid;
pdp->ximage = XShmCreateImage(dpy,
- pdp->visinfo->visual,
- pdp->visinfo->depth,
+ NULL,
+ pdp->xDepth,
ZPixmap, /* format */
NULL, /* data */
&pdp->shminfo, /* shminfo */
if (pdp->ximage == NULL) {
pdp->shminfo.shmid = -1;
pdp->ximage = XCreateImage(dpy,
- pdp->visinfo->visual,
- pdp->visinfo->depth,
+ NULL,
+ pdp->xDepth,
ZPixmap, 0, /* format, offset */
NULL, /* data */
0, 0, /* width, height */
if (pdp->shminfo.shmid > 0)
XShmDetach(dpy, &pdp->shminfo);
- free(pdp->visinfo);
-
XFreeGC(dpy, pdp->gc);
- XFreeGC(dpy, pdp->swapgc);
}
/**
Display *dpy = pdraw->psc->dpy;
Drawable drawable;
XImage *ximage;
- GC gc;
+ GC gc = pdp->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;
+ ximage->width = ximage->bytes_per_line / ((ximage->bits_per_pixel + 7)/ 8);
+ ximage->height = h;
+
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;
swrastGetImage2(read, x, y, w, h, 0, data, loaderPrivate);
}
-static void
-swrastGetImageShm(__DRIdrawable * read,
- int x, int y, int w, int h,
- int shmid, void *loaderPrivate)
+static GLboolean
+swrastGetImageShm2(__DRIdrawable * read,
+ int x, int y, int w, int h,
+ int shmid, void *loaderPrivate)
{
struct drisw_drawable *prp = loaderPrivate;
__GLXDRIdrawable *pread = &(prp->base);
if (!prp->ximage || shmid != prp->shminfo.shmid) {
if (!XCreateDrawable(prp, shmid, dpy))
- return;
+ return GL_FALSE;
}
+
+ if (prp->shminfo.shmid == -1)
+ return GL_FALSE;
readable = pread->xDrawable;
ximage = prp->ximage;
ximage->bytes_per_line = bytes_per_line(w * ximage->bits_per_pixel, 32);
XShmGetImage(dpy, readable, ximage, x, y, ~0L);
+ return GL_TRUE;
+}
+
+static void
+swrastGetImageShm(__DRIdrawable * read,
+ int x, int y, int w, int h,
+ int shmid, void *loaderPrivate)
+{
+ swrastGetImageShm2(read, x, y, w, h, shmid, loaderPrivate);
}
static const __DRIswrastLoaderExtension swrastLoaderExtension_shm = {
- .base = {__DRI_SWRAST_LOADER, 5 },
+ .base = {__DRI_SWRAST_LOADER, 6 },
.getDrawableInfo = swrastGetDrawableInfo,
.putImage = swrastPutImage,
.putImageShm = swrastPutImageShm,
.getImageShm = swrastGetImageShm,
.putImageShm2 = swrastPutImageShm2,
+ .getImageShm2 = swrastGetImageShm2,
};
static const __DRIextension *loader_extensions_shm[] = {
struct drisw_drawable *pdp;
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes;
struct drisw_screen *psc = (struct drisw_screen *) base;
- Bool ret;
const __DRIswrastExtension *swrast = psc->swrast;
+ Display *dpy = psc->base.dpy;
pdp = calloc(1, sizeof(*pdp));
if (!pdp)
pdp->base.xDrawable = xDrawable;
pdp->base.drawable = drawable;
pdp->base.psc = &psc->base;
+ pdp->config = modes;
+ pdp->gc = XCreateGC(dpy, xDrawable, 0, NULL);
+ pdp->xDepth = 0;
+
+ /* Use the visual depth, if this fbconfig corresponds to a visual */
+ if (pdp->config->visualID != 0) {
+ int matches = 0;
+ XVisualInfo *visinfo, template;
+
+ template.visualid = pdp->config->visualID;
+ template.screen = pdp->config->screen;
+ visinfo = XGetVisualInfo(dpy, VisualIDMask | VisualScreenMask,
+ &template, &matches);
+
+ if (visinfo && matches) {
+ pdp->xDepth = visinfo->depth;
+ XFree(visinfo);
+ }
+ }
- ret = XCreateGCs(pdp, psc->base.dpy, xDrawable, modes->visualID);
- if (!ret) {
- free(pdp);
- return NULL;
+ /* Otherwise, or if XGetVisualInfo failed, ask the server */
+ if (pdp->xDepth == 0) {
+ Window root;
+ int x, y;
+ unsigned uw, uh, bw, depth;
+
+ XGetGeometry(dpy, xDrawable, &root, &x, &y, &uw, &uh, &bw, &depth);
+ pdp->xDepth = depth;
}
/* Create a new drawable */