зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.5 KiB
C
78 строки
2.5 KiB
C
/*
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* $XFree86: xc/lib/Xrender/FillRects.c,v 1.2 2001/12/16 18:27:55 keithp Exp $
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*
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* Copyright © 2000 SuSE, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of SuSE not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. SuSE makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Keith Packard, SuSE, Inc.
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*/
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#include "Xrenderint.h"
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/* precompute the maximum size of batching request allowed */
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#define size (SIZEOF(xRenderFillRectanglesReq) + FRCTSPERBATCH * SIZEOF(xRectangle))
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void
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XRenderFillRectangles (Display *dpy,
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int op,
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Picture dst,
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_Xconst XRenderColor *color,
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_Xconst XRectangle *rectangles,
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int n_rects)
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{
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XExtDisplayInfo *info = XRenderFindDisplay (dpy);
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xRenderFillRectanglesReq *req;
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long len;
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int n;
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RenderSimpleCheckExtension (dpy, info);
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LockDisplay(dpy);
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while (n_rects)
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{
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GetReq(RenderFillRectangles, req);
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req->reqType = info->codes->major_opcode;
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req->renderReqType = X_RenderFillRectangles;
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req->op = op;
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req->dst = dst;
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req->color.red = color->red;
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req->color.green = color->green;
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req->color.blue = color->blue;
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req->color.alpha = color->alpha;
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n = n_rects;
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len = ((long)n) << 1;
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if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length))
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{
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n = (dpy->max_request_size - req->length) >> 1;
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len = ((long)n) << 1;
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}
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SetReqLen(req, len, len);
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len <<= 2; /* watch out for macros... */
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Data16 (dpy, (short *) rectangles, len);
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n_rects -= n;
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rectangles += n;
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}
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UnlockDisplay(dpy);
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SyncHandle();
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}
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