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Diffstat (limited to 'src/FillRects.c')
-rw-r--r-- | src/FillRects.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/FillRects.c b/src/FillRects.c new file mode 100644 index 0000000..b251930 --- /dev/null +++ b/src/FillRects.c @@ -0,0 +1,77 @@ +/* + * $XFree86: xc/lib/Xrender/FillRects.c,v 1.2 2001/12/16 18:27:55 keithp Exp $ + * + * Copyright © 2000 SuSE, Inc. + * + * 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 SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * 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. + * + * Author: Keith Packard, SuSE, Inc. + */ + +#include "Xrenderint.h" + +/* precompute the maximum size of batching request allowed */ + +#define size (SIZEOF(xRenderFillRectanglesReq) + FRCTSPERBATCH * SIZEOF(xRectangle)) + +void +XRenderFillRectangles (Display *dpy, + int op, + Picture dst, + _Xconst XRenderColor *color, + _Xconst XRectangle *rectangles, + int n_rects) +{ + XExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderFillRectanglesReq *req; + long len; + int n; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + + while (n_rects) + { + GetReq(RenderFillRectangles, req); + + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderFillRectangles; + req->op = op; + req->dst = dst; + req->color.red = color->red; + req->color.green = color->green; + req->color.blue = color->blue; + req->color.alpha = color->alpha; + + n = n_rects; + len = ((long)n) << 1; + if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) + { + n = (dpy->max_request_size - req->length) >> 1; + len = ((long)n) << 1; + } + SetReqLen(req, len, len); + len <<= 2; /* watch out for macros... */ + Data16 (dpy, (short *) rectangles, len); + n_rects -= n; + rectangles += n; + } + UnlockDisplay(dpy); + SyncHandle(); +} + |