static int ProcDRI2GetBuffers(ClientPtr client) { REQUEST(xDRI2GetBuffersReq); DrawablePtr pDrawable; DRI2BufferPtr *buffers; int status, width, height, count; unsigned int *attachments; REQUEST_FIXED_SIZE(xDRI2GetBuffersReq, stuff->count * 4); if (!validDrawable(client, stuff->drawable, DixReadAccess | DixWriteAccess, &pDrawable, &status)) return status; if (DRI2ThrottleClient(client, pDrawable)) return Success; attachments = (unsigned int *) &stuff[1]; buffers = DRI2GetBuffers(pDrawable, &width, &height, attachments, stuff->count, &count); return send_buffers_reply(client, pDrawable, buffers, count, width, height); }
DRI2Buffer *ephyrDRI2GetBuffers(XID drawable, int *width, int *height, unsigned int *attachments, int count, int *out_count) { Display *dpy = hostx_get_display (); return DRI2GetBuffers(dpy, drawable, width, height, attachments, count, out_count); }
/** * Get the buffers of the DRI2 drawable. The returned array should be freed. */ struct x11_drawable_buffer * x11_drawable_get_buffers(struct x11_screen *xscr, Drawable drawable, int *width, int *height, unsigned int *attachments, boolean with_format, int num_ins, int *num_outs) { DRI2Buffer *dri2bufs; if (with_format) dri2bufs = DRI2GetBuffersWithFormat(xscr->dpy, drawable, width, height, attachments, num_ins, num_outs); else dri2bufs = DRI2GetBuffers(xscr->dpy, drawable, width, height, attachments, num_ins, num_outs); return (struct x11_drawable_buffer *) dri2bufs; }
static void run(Display *dpy, int width, int height, unsigned int *attachments, int nattachments, const char *name) { Window win; XSetWindowAttributes attr; int count, loop; DRI2Buffer *buffers; /* Be nasty and install a fullscreen window on top so that we * can guarantee we do not get clipped by children. */ attr.override_redirect = 1; loop = 100; do { win = XCreateWindow(dpy, DefaultRootWindow(dpy), 0, 0, width, height, 0, DefaultDepth(dpy, DefaultScreen(dpy)), InputOutput, DefaultVisual(dpy, DefaultScreen(dpy)), CWOverrideRedirect, &attr); XMapWindow(dpy, win); DRI2CreateDrawable(dpy, win); buffers = DRI2GetBuffers(dpy, win, &width, &height, attachments, nattachments, &count); if (count != nattachments) return; free(buffers); for (count = 0; count < loop; count++) DRI2SwapBuffers(dpy, win, 0, 0, 0); XDestroyWindow(dpy, win); } while (--loop); XSync(dpy, 1); sleep(2); XSync(dpy, 1); }
static __DRIbuffer * dri2GetBuffers(__DRIdrawable * driDrawable, int *width, int *height, unsigned int *attachments, int count, int *out_count, void *loaderPrivate) { __GLXDRIdrawablePrivate *pdraw = loaderPrivate; DRI2Buffer *buffers; buffers = DRI2GetBuffers(pdraw->base.psc->dpy, pdraw->base.xDrawable, width, height, attachments, count, out_count); if (buffers == NULL) return NULL; pdraw->width = *width; pdraw->height = *height; process_buffers(pdraw, buffers, *out_count); Xfree(buffers); return pdraw->buffers; }
static int send_buffers_reply(ClientPtr client, DrawablePtr pDrawable, DRI2BufferPtr * buffers, int count, int width, int height) { xDRI2GetBuffersReply rep; int skip = 0; int i; if (buffers == NULL) return BadAlloc; if (pDrawable->type == DRAWABLE_WINDOW) { for (i = 0; i < count; i++) { /* Do not send the real front buffer of a window to the client. */ if (buffers[i]->attachment == DRI2BufferFrontLeft) { skip++; continue; } } } rep = (xDRI2GetBuffersReply) { .type = X_Reply, .sequenceNumber = client->sequence, .length = (count - skip) * sizeof(xDRI2Buffer) / 4, .width = width, .height = height, .count = count - skip }; WriteToClient(client, sizeof(xDRI2GetBuffersReply), &rep); for (i = 0; i < count; i++) { xDRI2Buffer buffer; /* Do not send the real front buffer of a window to the client. */ if ((pDrawable->type == DRAWABLE_WINDOW) && (buffers[i]->attachment == DRI2BufferFrontLeft)) { continue; } buffer.attachment = buffers[i]->attachment; buffer.name = buffers[i]->name; buffer.pitch = buffers[i]->pitch; buffer.cpp = buffers[i]->cpp; buffer.flags = buffers[i]->flags; WriteToClient(client, sizeof(xDRI2Buffer), &buffer); } return Success; } static int ProcDRI2GetBuffers(ClientPtr client) { REQUEST(xDRI2GetBuffersReq); DrawablePtr pDrawable; DRI2BufferPtr *buffers; int status, width, height, count; unsigned int *attachments; REQUEST_FIXED_SIZE(xDRI2GetBuffersReq, stuff->count * 4); if (!validDrawable(client, stuff->drawable, DixReadAccess | DixWriteAccess, &pDrawable, &status)) return status; if (DRI2ThrottleClient(client, pDrawable)) return Success; attachments = (unsigned int *) &stuff[1]; buffers = DRI2GetBuffers(pDrawable, &width, &height, attachments, stuff->count, &count); return send_buffers_reply(client, pDrawable, buffers, count, width, height); }
static void run(Display *dpy, int width, int height, unsigned int *attachments, int nattachments, const char *name) { Window win; XSetWindowAttributes attr; int count; DRI2Buffer *buffers; struct timespec start, end; /* Be nasty and install a fullscreen window on top so that we * can guarantee we do not get clipped by children. */ attr.override_redirect = 1; win = XCreateWindow(dpy, DefaultRootWindow(dpy), 0, 0, width, height, 0, DefaultDepth(dpy, DefaultScreen(dpy)), InputOutput, DefaultVisual(dpy, DefaultScreen(dpy)), CWOverrideRedirect, &attr); XMapWindow(dpy, win); xsync(dpy, win); DRI2CreateDrawable(dpy, win); buffers = DRI2GetBuffers(dpy, win, &width, &height, attachments, nattachments, &count); if (count != nattachments) return; xsync(dpy, win); clock_gettime(CLOCK_MONOTONIC, &start); for (count = 0; count < COUNT; count++) DRI2SwapBuffers(dpy, win, 0, 0, 0); xsync(dpy, win); clock_gettime(CLOCK_MONOTONIC, &end); printf("%d %s (%dx%d) swaps in %fs.\n", count, name, width, height, elapsed(&start, &end)); xsync(dpy, win); clock_gettime(CLOCK_MONOTONIC, &start); for (count = 0; count < COUNT; count++) dri2_copy_swap(dpy, win, width, height, nattachments == 2); xsync(dpy, win); clock_gettime(CLOCK_MONOTONIC, &end); printf("%d %s (%dx%d) blits in %fs.\n", count, name, width, height, elapsed(&start, &end)); DRI2SwapInterval(dpy, win, 0); xsync(dpy, win); clock_gettime(CLOCK_MONOTONIC, &start); for (count = 0; count < COUNT; count++) DRI2SwapBuffers(dpy, win, 0, 0, 0); xsync(dpy, win); clock_gettime(CLOCK_MONOTONIC, &end); printf("%d %s (%dx%d) vblank=0 swaps in %fs.\n", count, name, width, height, elapsed(&start, &end)); XDestroyWindow(dpy, win); free(buffers); XSync(dpy, 1); }