2698 lines
72 KiB
C
2698 lines
72 KiB
C
/*
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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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "misc.h"
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#include "os.h"
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#include "dixstruct.h"
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#include "resource.h"
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#include "scrnintstr.h"
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#include "windowstr.h"
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#include "pixmapstr.h"
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#include "colormapst.h"
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#include "extnsionst.h"
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#include "servermd.h"
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#include <X11/extensions/render.h>
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#include <X11/extensions/renderproto.h>
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#include "picturestr.h"
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#include "glyphstr.h"
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#include <X11/Xfuncproto.h>
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#include "cursorstr.h"
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#if HAVE_STDINT_H
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#include <stdint.h>
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#elif !defined(UINT32_MAX)
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#define UINT32_MAX 0xffffffffU
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#endif
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static int ProcRenderQueryVersion(ClientPtr pClient);
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static int ProcRenderQueryPictFormats(ClientPtr pClient);
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static int ProcRenderQueryPictIndexValues(ClientPtr pClient);
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static int ProcRenderQueryDithers(ClientPtr pClient);
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static int ProcRenderCreatePicture(ClientPtr pClient);
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static int ProcRenderChangePicture(ClientPtr pClient);
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static int ProcRenderSetPictureClipRectangles(ClientPtr pClient);
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static int ProcRenderFreePicture(ClientPtr pClient);
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static int ProcRenderComposite(ClientPtr pClient);
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static int ProcRenderScale(ClientPtr pClient);
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static int ProcRenderTrapezoids(ClientPtr pClient);
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static int ProcRenderTriangles(ClientPtr pClient);
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static int ProcRenderTriStrip(ClientPtr pClient);
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static int ProcRenderTriFan(ClientPtr pClient);
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static int ProcRenderColorTrapezoids(ClientPtr pClient);
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static int ProcRenderColorTriangles(ClientPtr pClient);
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static int ProcRenderTransform(ClientPtr pClient);
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static int ProcRenderCreateGlyphSet(ClientPtr pClient);
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static int ProcRenderReferenceGlyphSet(ClientPtr pClient);
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static int ProcRenderFreeGlyphSet(ClientPtr pClient);
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static int ProcRenderAddGlyphs(ClientPtr pClient);
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static int ProcRenderAddGlyphsFromPicture(ClientPtr pClient);
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static int ProcRenderFreeGlyphs(ClientPtr pClient);
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static int ProcRenderCompositeGlyphs(ClientPtr pClient);
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static int ProcRenderFillRectangles(ClientPtr pClient);
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static int ProcRenderCreateCursor(ClientPtr pClient);
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static int ProcRenderSetPictureTransform(ClientPtr pClient);
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static int ProcRenderQueryFilters(ClientPtr pClient);
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static int ProcRenderSetPictureFilter(ClientPtr pClient);
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static int ProcRenderCreateAnimCursor(ClientPtr pClient);
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static int ProcRenderAddTraps(ClientPtr pClient);
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static int ProcRenderCreateSolidFill(ClientPtr pClient);
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static int ProcRenderCreateLinearGradient(ClientPtr pClient);
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static int ProcRenderCreateRadialGradient(ClientPtr pClient);
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static int ProcRenderCreateConicalGradient(ClientPtr pClient);
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static int ProcRenderDispatch(ClientPtr pClient);
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static int SProcRenderQueryVersion(ClientPtr pClient);
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static int SProcRenderQueryPictFormats(ClientPtr pClient);
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static int SProcRenderQueryPictIndexValues(ClientPtr pClient);
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static int SProcRenderQueryDithers(ClientPtr pClient);
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static int SProcRenderCreatePicture(ClientPtr pClient);
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static int SProcRenderChangePicture(ClientPtr pClient);
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static int SProcRenderSetPictureClipRectangles(ClientPtr pClient);
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static int SProcRenderFreePicture(ClientPtr pClient);
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static int SProcRenderComposite(ClientPtr pClient);
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static int SProcRenderScale(ClientPtr pClient);
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static int SProcRenderTrapezoids(ClientPtr pClient);
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static int SProcRenderTriangles(ClientPtr pClient);
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static int SProcRenderTriStrip(ClientPtr pClient);
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static int SProcRenderTriFan(ClientPtr pClient);
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static int SProcRenderColorTrapezoids(ClientPtr pClient);
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static int SProcRenderColorTriangles(ClientPtr pClient);
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static int SProcRenderTransform(ClientPtr pClient);
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static int SProcRenderCreateGlyphSet(ClientPtr pClient);
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static int SProcRenderReferenceGlyphSet(ClientPtr pClient);
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static int SProcRenderFreeGlyphSet(ClientPtr pClient);
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static int SProcRenderAddGlyphs(ClientPtr pClient);
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static int SProcRenderAddGlyphsFromPicture(ClientPtr pClient);
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static int SProcRenderFreeGlyphs(ClientPtr pClient);
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static int SProcRenderCompositeGlyphs(ClientPtr pClient);
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static int SProcRenderFillRectangles(ClientPtr pClient);
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static int SProcRenderCreateCursor(ClientPtr pClient);
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static int SProcRenderSetPictureTransform(ClientPtr pClient);
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static int SProcRenderQueryFilters(ClientPtr pClient);
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static int SProcRenderSetPictureFilter(ClientPtr pClient);
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static int SProcRenderCreateAnimCursor(ClientPtr pClient);
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static int SProcRenderAddTraps(ClientPtr pClient);
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static int SProcRenderCreateSolidFill(ClientPtr pClient);
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static int SProcRenderCreateLinearGradient(ClientPtr pClient);
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static int SProcRenderCreateRadialGradient(ClientPtr pClient);
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static int SProcRenderCreateConicalGradient(ClientPtr pClient);
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static int SProcRenderDispatch(ClientPtr pClient);
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static int (*ProcRenderVector[RenderNumberRequests]) (ClientPtr) = {
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ProcRenderQueryVersion,
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ProcRenderQueryPictFormats,
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ProcRenderQueryPictIndexValues,
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ProcRenderQueryDithers,
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ProcRenderCreatePicture,
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ProcRenderChangePicture,
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ProcRenderSetPictureClipRectangles,
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ProcRenderFreePicture,
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ProcRenderComposite,
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ProcRenderScale,
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ProcRenderTrapezoids,
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ProcRenderTriangles,
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ProcRenderTriStrip,
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ProcRenderTriFan,
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ProcRenderColorTrapezoids,
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ProcRenderColorTriangles,
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ProcRenderTransform,
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ProcRenderCreateGlyphSet,
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ProcRenderReferenceGlyphSet,
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ProcRenderFreeGlyphSet,
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ProcRenderAddGlyphs,
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ProcRenderAddGlyphsFromPicture,
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ProcRenderFreeGlyphs,
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ProcRenderCompositeGlyphs,
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ProcRenderCompositeGlyphs,
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ProcRenderCompositeGlyphs,
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ProcRenderFillRectangles,
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ProcRenderCreateCursor,
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ProcRenderSetPictureTransform,
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ProcRenderQueryFilters,
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ProcRenderSetPictureFilter,
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ProcRenderCreateAnimCursor,
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ProcRenderAddTraps,
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ProcRenderCreateSolidFill,
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ProcRenderCreateLinearGradient,
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ProcRenderCreateRadialGradient, ProcRenderCreateConicalGradient};
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static int (*SProcRenderVector[RenderNumberRequests]) (ClientPtr) = {
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SProcRenderQueryVersion,
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SProcRenderQueryPictFormats,
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SProcRenderQueryPictIndexValues,
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SProcRenderQueryDithers,
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SProcRenderCreatePicture,
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SProcRenderChangePicture,
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SProcRenderSetPictureClipRectangles,
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SProcRenderFreePicture,
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SProcRenderComposite,
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SProcRenderScale,
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SProcRenderTrapezoids,
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SProcRenderTriangles,
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SProcRenderTriStrip,
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SProcRenderTriFan,
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SProcRenderColorTrapezoids,
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SProcRenderColorTriangles,
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SProcRenderTransform,
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SProcRenderCreateGlyphSet,
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SProcRenderReferenceGlyphSet,
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SProcRenderFreeGlyphSet,
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SProcRenderAddGlyphs,
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SProcRenderAddGlyphsFromPicture,
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SProcRenderFreeGlyphs,
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SProcRenderCompositeGlyphs,
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SProcRenderCompositeGlyphs,
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SProcRenderCompositeGlyphs,
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SProcRenderFillRectangles,
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SProcRenderCreateCursor,
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SProcRenderSetPictureTransform,
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SProcRenderQueryFilters,
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SProcRenderSetPictureFilter,
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SProcRenderCreateAnimCursor,
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SProcRenderAddTraps,
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SProcRenderCreateSolidFill,
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SProcRenderCreateLinearGradient,
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SProcRenderCreateRadialGradient, SProcRenderCreateConicalGradient};
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static void
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RenderResetProc(ExtensionEntry * extEntry);
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#if 0
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static CARD8 RenderReqCode;
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#endif
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int RenderErrBase;
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int RenderClientPrivateIndex;
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typedef struct _RenderClient {
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int major_version;
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int minor_version;
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} RenderClientRec, *RenderClientPtr;
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#define GetRenderClient(pClient) ((RenderClientPtr) (pClient)->devPrivates[RenderClientPrivateIndex].ptr)
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static void
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RenderClientCallback(CallbackListPtr *list, pointer closure, pointer data)
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{
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NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
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ClientPtr pClient = clientinfo->client;
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RenderClientPtr pRenderClient = GetRenderClient(pClient);
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pRenderClient->major_version = 0;
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pRenderClient->minor_version = 0;
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}
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void
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RenderExtensionInit(void)
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{
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ExtensionEntry *extEntry;
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if (!PictureType)
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return;
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if (!PictureFinishInit())
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return;
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RenderClientPrivateIndex = AllocateClientPrivateIndex();
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if (!AllocateClientPrivate(RenderClientPrivateIndex,
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sizeof(RenderClientRec)))
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return;
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if (!AddCallback(&ClientStateCallback, RenderClientCallback, 0))
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return;
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extEntry = AddExtension(RENDER_NAME, 0, RenderNumberErrors,
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ProcRenderDispatch, SProcRenderDispatch,
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RenderResetProc, StandardMinorOpcode);
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if (!extEntry)
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return;
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#if 0
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RenderReqCode = (CARD8) extEntry->base;
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#endif
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RenderErrBase = extEntry->errorBase;
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}
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static void
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RenderResetProc(ExtensionEntry * extEntry)
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{
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ResetPicturePrivateIndex();
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ResetGlyphSetPrivateIndex();
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}
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static int
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ProcRenderQueryVersion(ClientPtr client)
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{
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RenderClientPtr pRenderClient = GetRenderClient(client);
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xRenderQueryVersionReply rep = {0};
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REQUEST(xRenderQueryVersionReq);
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pRenderClient->major_version = stuff->majorVersion;
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pRenderClient->minor_version = stuff->minorVersion;
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REQUEST_SIZE_MATCH(xRenderQueryVersionReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.majorVersion = RENDER_MAJOR;
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rep.minorVersion = RENDER_MINOR;
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.length);
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swapl(&rep.majorVersion);
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swapl(&rep.minorVersion);
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}
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WriteToClient(client, sizeof(xRenderQueryVersionReply), (char *) &rep);
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return (client->noClientException);
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}
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static VisualPtr
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findVisual(ScreenPtr pScreen, VisualID vid)
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{
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VisualPtr pVisual;
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int v;
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for (v = 0; v < pScreen->numVisuals; v++) {
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pVisual = pScreen->visuals + v;
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if (pVisual->vid == vid)
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return pVisual;
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}
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return 0;
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}
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extern char *ConnectionInfo;
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static int
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ProcRenderQueryPictFormats(ClientPtr client)
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{
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RenderClientPtr pRenderClient = GetRenderClient(client);
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xRenderQueryPictFormatsReply *reply;
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xPictScreen *pictScreen;
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xPictDepth *pictDepth;
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xPictVisual *pictVisual;
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xPictFormInfo *pictForm;
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CARD32 *pictSubpixel;
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ScreenPtr pScreen;
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VisualPtr pVisual;
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DepthPtr pDepth;
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int v, d;
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PictureScreenPtr ps;
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PictFormatPtr pFormat;
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int nformat;
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int ndepth;
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int nvisual;
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int rlength;
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int s;
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int numScreens;
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int numSubpixel;
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/* REQUEST(xRenderQueryPictFormatsReq); */
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REQUEST_SIZE_MATCH(xRenderQueryPictFormatsReq);
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numScreens = screenInfo.numScreens;
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ndepth = nformat = nvisual = 0;
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for (s = 0; s < numScreens; s++) {
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pScreen = screenInfo.screens[s];
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for (d = 0; d < pScreen->numDepths; d++) {
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pDepth = pScreen->allowedDepths + d;
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++ndepth;
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for (v = 0; v < pDepth->numVids; v++) {
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pVisual = findVisual(pScreen, pDepth->vids[v]);
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if (pVisual &&
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PictureMatchVisual(pScreen, pDepth->depth, pVisual))
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++nvisual;
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}
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}
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ps = GetPictureScreenIfSet(pScreen);
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if (ps)
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nformat += ps->nformats;
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}
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if (pRenderClient->major_version == 0 && pRenderClient->minor_version < 6)
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numSubpixel = 0;
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else
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numSubpixel = numScreens;
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rlength = (sizeof(xRenderQueryPictFormatsReply) +
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nformat * sizeof(xPictFormInfo) +
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numScreens * sizeof(xPictScreen) +
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ndepth * sizeof(xPictDepth) +
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nvisual * sizeof(xPictVisual) + numSubpixel * sizeof(CARD32));
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reply = malloc(rlength);
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if (!reply)
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return BadAlloc;
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reply->type = X_Reply;
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reply->sequenceNumber = client->sequence;
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reply->length = (rlength - sizeof(xGenericReply)) >> 2;
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reply->numFormats = nformat;
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reply->numScreens = numScreens;
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reply->numDepths = ndepth;
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reply->numVisuals = nvisual;
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reply->numSubpixel = numSubpixel;
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pictForm = (xPictFormInfo *) (reply + 1);
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for (s = 0; s < numScreens; s++) {
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pScreen = screenInfo.screens[s];
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ps = GetPictureScreenIfSet(pScreen);
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if (ps) {
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for (nformat = 0, pFormat = ps->formats;
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nformat < ps->nformats; nformat++, pFormat++) {
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pictForm->id = pFormat->id;
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pictForm->type = pFormat->type;
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pictForm->depth = pFormat->depth;
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pictForm->direct.red = pFormat->direct.red;
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pictForm->direct.redMask = pFormat->direct.redMask;
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pictForm->direct.green = pFormat->direct.green;
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pictForm->direct.greenMask = pFormat->direct.greenMask;
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pictForm->direct.blue = pFormat->direct.blue;
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pictForm->direct.blueMask = pFormat->direct.blueMask;
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pictForm->direct.alpha = pFormat->direct.alpha;
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pictForm->direct.alphaMask = pFormat->direct.alphaMask;
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if (pFormat->type == PictTypeIndexed &&
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pFormat->index.pColormap)
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pictForm->colormap = pFormat->index.pColormap->mid;
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else
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pictForm->colormap = None;
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if (client->swapped) {
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swapl(&pictForm->id);
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swaps(&pictForm->direct.red);
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swaps(&pictForm->direct.redMask);
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swaps(&pictForm->direct.green);
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swaps(&pictForm->direct.greenMask);
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swaps(&pictForm->direct.blue);
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swaps(&pictForm->direct.blueMask);
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swaps(&pictForm->direct.alpha);
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swaps(&pictForm->direct.alphaMask);
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swapl(&pictForm->colormap);
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}
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pictForm++;
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}
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}
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}
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pictScreen = (xPictScreen *) pictForm;
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for (s = 0; s < numScreens; s++) {
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pScreen = screenInfo.screens[s];
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pictDepth = (xPictDepth *) (pictScreen + 1);
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ndepth = 0;
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for (d = 0; d < pScreen->numDepths; d++) {
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pictVisual = (xPictVisual *) (pictDepth + 1);
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pDepth = pScreen->allowedDepths + d;
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nvisual = 0;
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for (v = 0; v < pDepth->numVids; v++) {
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pVisual = findVisual(pScreen, pDepth->vids[v]);
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if (pVisual && (pFormat = PictureMatchVisual(pScreen,
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pDepth->depth,
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pVisual))) {
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pictVisual->visual = pVisual->vid;
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pictVisual->format = pFormat->id;
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if (client->swapped) {
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swapl(&pictVisual->visual);
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swapl(&pictVisual->format);
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}
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pictVisual++;
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nvisual++;
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}
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}
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pictDepth->depth = pDepth->depth;
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pictDepth->nPictVisuals = nvisual;
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if (client->swapped) {
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swaps(&pictDepth->nPictVisuals);
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}
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ndepth++;
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pictDepth = (xPictDepth *) pictVisual;
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}
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pictScreen->nDepth = ndepth;
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ps = GetPictureScreenIfSet(pScreen);
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if (ps)
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pictScreen->fallback = ps->fallback->id;
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else
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pictScreen->fallback = 0;
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if (client->swapped) {
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swapl(&pictScreen->nDepth);
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swapl(&pictScreen->fallback);
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}
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pictScreen = (xPictScreen *) pictDepth;
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|
}
|
|
pictSubpixel = (CARD32 *) pictScreen;
|
|
|
|
for (s = 0; s < numSubpixel; s++) {
|
|
pScreen = screenInfo.screens[s];
|
|
ps = GetPictureScreenIfSet(pScreen);
|
|
if (ps)
|
|
*pictSubpixel = ps->subpixel;
|
|
else
|
|
*pictSubpixel = SubPixelUnknown;
|
|
if (client->swapped) {
|
|
swapl(pictSubpixel);
|
|
}
|
|
++pictSubpixel;
|
|
}
|
|
|
|
if (client->swapped) {
|
|
swaps(&reply->sequenceNumber);
|
|
swapl(&reply->length);
|
|
swapl(&reply->numFormats);
|
|
swapl(&reply->numScreens);
|
|
swapl(&reply->numDepths);
|
|
swapl(&reply->numVisuals);
|
|
swapl(&reply->numSubpixel);
|
|
}
|
|
WriteToClient(client, rlength, (char *) reply);
|
|
free(reply);
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderQueryPictIndexValues(ClientPtr client)
|
|
{
|
|
PictFormatPtr pFormat;
|
|
|
|
int num;
|
|
|
|
int rlength;
|
|
|
|
int i;
|
|
|
|
REQUEST(xRenderQueryPictIndexValuesReq);
|
|
xRenderQueryPictIndexValuesReply *reply;
|
|
|
|
xIndexValue *values;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderQueryPictIndexValuesReq);
|
|
|
|
pFormat = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->format,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
|
|
if (!pFormat) {
|
|
client->errorValue = stuff->format;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
if (pFormat->type != PictTypeIndexed) {
|
|
client->errorValue = stuff->format;
|
|
return BadMatch;
|
|
}
|
|
num = pFormat->index.nvalues;
|
|
rlength = (sizeof(xRenderQueryPictIndexValuesReply) +
|
|
num * sizeof(xIndexValue));
|
|
reply = calloc(1, rlength);
|
|
if (!reply)
|
|
return BadAlloc;
|
|
|
|
reply->type = X_Reply;
|
|
reply->sequenceNumber = client->sequence;
|
|
reply->length = (rlength - sizeof(xGenericReply)) >> 2;
|
|
reply->numIndexValues = num;
|
|
|
|
values = (xIndexValue *) (reply + 1);
|
|
|
|
memcpy(reply + 1, pFormat->index.pValues, num * sizeof(xIndexValue));
|
|
|
|
if (client->swapped) {
|
|
for (i = 0; i < num; i++) {
|
|
swapl(&values[i].pixel);
|
|
swaps(&values[i].red);
|
|
swaps(&values[i].green);
|
|
swaps(&values[i].blue);
|
|
swaps(&values[i].alpha);
|
|
}
|
|
swaps(&reply->sequenceNumber);
|
|
swapl(&reply->length);
|
|
swapl(&reply->numIndexValues);
|
|
}
|
|
|
|
WriteToClient(client, rlength, (char *) reply);
|
|
free(reply);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
static int
|
|
ProcRenderQueryDithers(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCreatePicture(ClientPtr client)
|
|
{
|
|
PicturePtr pPicture;
|
|
|
|
DrawablePtr pDrawable;
|
|
|
|
PictFormatPtr pFormat;
|
|
|
|
int len;
|
|
|
|
int error;
|
|
|
|
REQUEST(xRenderCreatePictureReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->pid, client);
|
|
SECURITY_VERIFY_DRAWABLE(pDrawable, stuff->drawable, client,
|
|
SecurityWriteAccess);
|
|
pFormat = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->format,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
if (!pFormat) {
|
|
client->errorValue = stuff->format;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
if (pFormat->depth != pDrawable->depth)
|
|
return BadMatch;
|
|
len = client->req_len - (sizeof(xRenderCreatePictureReq) >> 2);
|
|
if (Ones(stuff->mask) != len)
|
|
return BadLength;
|
|
|
|
pPicture = CreatePicture(stuff->pid,
|
|
pDrawable,
|
|
pFormat,
|
|
stuff->mask, (XID *) (stuff + 1), client, &error);
|
|
if (!pPicture)
|
|
return error;
|
|
if (!AddResource(stuff->pid, PictureType, (pointer) pPicture))
|
|
return BadAlloc;
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcRenderChangePicture(ClientPtr client)
|
|
{
|
|
PicturePtr pPicture;
|
|
|
|
REQUEST(xRenderChangePictureReq);
|
|
int len;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq);
|
|
VERIFY_PICTURE(pPicture, stuff->picture, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
|
|
len = client->req_len - (sizeof(xRenderChangePictureReq) >> 2);
|
|
if (Ones(stuff->mask) != len)
|
|
return BadLength;
|
|
|
|
return ChangePicture(pPicture, stuff->mask, (XID *) (stuff + 1),
|
|
(DevUnion *) 0, client);
|
|
}
|
|
|
|
static int
|
|
ProcRenderSetPictureClipRectangles(ClientPtr client)
|
|
{
|
|
REQUEST(xRenderSetPictureClipRectanglesReq);
|
|
PicturePtr pPicture;
|
|
|
|
int nr;
|
|
|
|
int result;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq);
|
|
VERIFY_PICTURE(pPicture, stuff->picture, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pPicture->pDrawable)
|
|
return BadDrawable;
|
|
|
|
nr = (client->req_len << 2) - sizeof(xRenderChangePictureReq);
|
|
if (nr & 4)
|
|
return BadLength;
|
|
nr >>= 3;
|
|
result = SetPictureClipRects(pPicture,
|
|
stuff->xOrigin, stuff->yOrigin,
|
|
nr, (xRectangle *) &stuff[1]);
|
|
if (client->noClientException != Success)
|
|
return (client->noClientException);
|
|
else
|
|
return (result);
|
|
}
|
|
|
|
static int
|
|
ProcRenderFreePicture(ClientPtr client)
|
|
{
|
|
PicturePtr pPicture;
|
|
|
|
REQUEST(xRenderFreePictureReq);
|
|
|
|
REQUEST_SIZE_MATCH(xRenderFreePictureReq);
|
|
|
|
VERIFY_PICTURE(pPicture, stuff->picture, client, SecurityDestroyAccess,
|
|
RenderErrBase + BadPicture);
|
|
FreeResource(stuff->picture, RT_NONE);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
static Bool
|
|
PictOpValid(CARD8 op)
|
|
{
|
|
if ( /*PictOpMinimum <= op && */ op <= PictOpMaximum)
|
|
return TRUE;
|
|
if (PictOpDisjointMinimum <= op && op <= PictOpDisjointMaximum)
|
|
return TRUE;
|
|
if (PictOpConjointMinimum <= op && op <= PictOpConjointMaximum)
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static int
|
|
ProcRenderComposite(ClientPtr client)
|
|
{
|
|
PicturePtr pSrc, pMask, pDst;
|
|
|
|
REQUEST(xRenderCompositeReq);
|
|
|
|
REQUEST_SIZE_MATCH(xRenderCompositeReq);
|
|
if (!PictOpValid(stuff->op)) {
|
|
client->errorValue = stuff->op;
|
|
return BadValue;
|
|
}
|
|
VERIFY_PICTURE(pDst, stuff->dst, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pDst->pDrawable)
|
|
return BadDrawable;
|
|
VERIFY_PICTURE(pSrc, stuff->src, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
VERIFY_ALPHA(pMask, stuff->mask, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
if ((pSrc->pDrawable &&
|
|
pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) || (pMask &&
|
|
pMask->
|
|
pDrawable &&
|
|
pDst->
|
|
pDrawable->
|
|
pScreen !=
|
|
pMask->
|
|
pDrawable->
|
|
pScreen))
|
|
return BadMatch;
|
|
CompositePicture(stuff->op,
|
|
pSrc,
|
|
pMask,
|
|
pDst,
|
|
stuff->xSrc,
|
|
stuff->ySrc,
|
|
stuff->xMask,
|
|
stuff->yMask,
|
|
stuff->xDst, stuff->yDst, stuff->width, stuff->height);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcRenderScale(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
ProcRenderTrapezoids(ClientPtr client)
|
|
{
|
|
int ntraps;
|
|
|
|
PicturePtr pSrc, pDst;
|
|
|
|
PictFormatPtr pFormat;
|
|
|
|
REQUEST(xRenderTrapezoidsReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTrapezoidsReq);
|
|
if (!PictOpValid(stuff->op)) {
|
|
client->errorValue = stuff->op;
|
|
return BadValue;
|
|
}
|
|
VERIFY_PICTURE(pSrc, stuff->src, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
VERIFY_PICTURE(pDst, stuff->dst, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pDst->pDrawable)
|
|
return BadDrawable;
|
|
if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen)
|
|
return BadMatch;
|
|
if (stuff->maskFormat) {
|
|
pFormat = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->maskFormat,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
if (!pFormat) {
|
|
client->errorValue = stuff->maskFormat;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
}
|
|
else
|
|
pFormat = 0;
|
|
ntraps = (client->req_len << 2) - sizeof(xRenderTrapezoidsReq);
|
|
if (ntraps % sizeof(xTrapezoid))
|
|
return BadLength;
|
|
ntraps /= sizeof(xTrapezoid);
|
|
if (ntraps)
|
|
CompositeTrapezoids(stuff->op, pSrc, pDst, pFormat,
|
|
stuff->xSrc, stuff->ySrc,
|
|
ntraps, (xTrapezoid *) & stuff[1]);
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderTriangles(ClientPtr client)
|
|
{
|
|
int ntris;
|
|
|
|
PicturePtr pSrc, pDst;
|
|
|
|
PictFormatPtr pFormat;
|
|
|
|
REQUEST(xRenderTrianglesReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq);
|
|
if (!PictOpValid(stuff->op)) {
|
|
client->errorValue = stuff->op;
|
|
return BadValue;
|
|
}
|
|
VERIFY_PICTURE(pSrc, stuff->src, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
VERIFY_PICTURE(pDst, stuff->dst, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pDst->pDrawable)
|
|
return BadDrawable;
|
|
if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen)
|
|
return BadMatch;
|
|
if (stuff->maskFormat) {
|
|
pFormat = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->maskFormat,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
if (!pFormat) {
|
|
client->errorValue = stuff->maskFormat;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
}
|
|
else
|
|
pFormat = 0;
|
|
ntris = (client->req_len << 2) - sizeof(xRenderTrianglesReq);
|
|
if (ntris % sizeof(xTriangle))
|
|
return BadLength;
|
|
ntris /= sizeof(xTriangle);
|
|
if (ntris)
|
|
CompositeTriangles(stuff->op, pSrc, pDst, pFormat,
|
|
stuff->xSrc, stuff->ySrc,
|
|
ntris, (xTriangle *) & stuff[1]);
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderTriStrip(ClientPtr client)
|
|
{
|
|
int npoints;
|
|
|
|
PicturePtr pSrc, pDst;
|
|
|
|
PictFormatPtr pFormat;
|
|
|
|
REQUEST(xRenderTrianglesReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq);
|
|
if (!PictOpValid(stuff->op)) {
|
|
client->errorValue = stuff->op;
|
|
return BadValue;
|
|
}
|
|
VERIFY_PICTURE(pSrc, stuff->src, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
VERIFY_PICTURE(pDst, stuff->dst, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pDst->pDrawable)
|
|
return BadDrawable;
|
|
if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen)
|
|
return BadMatch;
|
|
if (stuff->maskFormat) {
|
|
pFormat = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->maskFormat,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
if (!pFormat) {
|
|
client->errorValue = stuff->maskFormat;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
}
|
|
else
|
|
pFormat = 0;
|
|
npoints = ((client->req_len << 2) - sizeof(xRenderTriStripReq));
|
|
if (npoints & 4)
|
|
return (BadLength);
|
|
npoints >>= 3;
|
|
if (npoints >= 3)
|
|
CompositeTriStrip(stuff->op, pSrc, pDst, pFormat,
|
|
stuff->xSrc, stuff->ySrc,
|
|
npoints, (xPointFixed *) & stuff[1]);
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderTriFan(ClientPtr client)
|
|
{
|
|
int npoints;
|
|
|
|
PicturePtr pSrc, pDst;
|
|
|
|
PictFormatPtr pFormat;
|
|
|
|
REQUEST(xRenderTrianglesReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq);
|
|
if (!PictOpValid(stuff->op)) {
|
|
client->errorValue = stuff->op;
|
|
return BadValue;
|
|
}
|
|
VERIFY_PICTURE(pSrc, stuff->src, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
VERIFY_PICTURE(pDst, stuff->dst, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pDst->pDrawable)
|
|
return BadDrawable;
|
|
if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen)
|
|
return BadMatch;
|
|
if (stuff->maskFormat) {
|
|
pFormat = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->maskFormat,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
if (!pFormat) {
|
|
client->errorValue = stuff->maskFormat;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
}
|
|
else
|
|
pFormat = 0;
|
|
npoints = ((client->req_len << 2) - sizeof(xRenderTriStripReq));
|
|
if (npoints & 4)
|
|
return (BadLength);
|
|
npoints >>= 3;
|
|
if (npoints >= 3)
|
|
CompositeTriFan(stuff->op, pSrc, pDst, pFormat,
|
|
stuff->xSrc, stuff->ySrc,
|
|
npoints, (xPointFixed *) & stuff[1]);
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderColorTrapezoids(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
ProcRenderColorTriangles(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
ProcRenderTransform(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCreateGlyphSet(ClientPtr client)
|
|
{
|
|
GlyphSetPtr glyphSet;
|
|
|
|
PictFormatPtr format;
|
|
|
|
int f;
|
|
|
|
REQUEST(xRenderCreateGlyphSetReq);
|
|
|
|
REQUEST_SIZE_MATCH(xRenderCreateGlyphSetReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->gsid, client);
|
|
format = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->format,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
if (!format) {
|
|
client->errorValue = stuff->format;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
switch (format->depth) {
|
|
case 1:
|
|
f = GlyphFormat1;
|
|
break;
|
|
case 4:
|
|
f = GlyphFormat4;
|
|
break;
|
|
case 8:
|
|
f = GlyphFormat8;
|
|
break;
|
|
case 16:
|
|
f = GlyphFormat16;
|
|
break;
|
|
case 32:
|
|
f = GlyphFormat32;
|
|
break;
|
|
default:
|
|
return BadMatch;
|
|
}
|
|
if (format->type != PictTypeDirect)
|
|
return BadMatch;
|
|
glyphSet = AllocateGlyphSet(f, format);
|
|
if (!glyphSet)
|
|
return BadAlloc;
|
|
if (!AddResource(stuff->gsid, GlyphSetType, (pointer) glyphSet))
|
|
return BadAlloc;
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcRenderReferenceGlyphSet(ClientPtr client)
|
|
{
|
|
GlyphSetPtr glyphSet;
|
|
|
|
REQUEST(xRenderReferenceGlyphSetReq);
|
|
|
|
REQUEST_SIZE_MATCH(xRenderReferenceGlyphSetReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->gsid, client);
|
|
|
|
glyphSet = (GlyphSetPtr) SecurityLookupIDByType(client,
|
|
stuff->existing,
|
|
GlyphSetType,
|
|
SecurityWriteAccess);
|
|
if (!glyphSet) {
|
|
client->errorValue = stuff->existing;
|
|
return RenderErrBase + BadGlyphSet;
|
|
}
|
|
glyphSet->refcnt++;
|
|
if (!AddResource(stuff->gsid, GlyphSetType, (pointer) glyphSet))
|
|
return BadAlloc;
|
|
return client->noClientException;
|
|
}
|
|
|
|
#define NLOCALDELTA 64
|
|
#define NLOCALGLYPH 256
|
|
|
|
static int
|
|
ProcRenderFreeGlyphSet(ClientPtr client)
|
|
{
|
|
GlyphSetPtr glyphSet;
|
|
|
|
REQUEST(xRenderFreeGlyphSetReq);
|
|
|
|
REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq);
|
|
glyphSet = (GlyphSetPtr) SecurityLookupIDByType(client,
|
|
stuff->glyphset,
|
|
GlyphSetType,
|
|
SecurityDestroyAccess);
|
|
if (!glyphSet) {
|
|
client->errorValue = stuff->glyphset;
|
|
return RenderErrBase + BadGlyphSet;
|
|
}
|
|
FreeResource(stuff->glyphset, RT_NONE);
|
|
return client->noClientException;
|
|
}
|
|
|
|
typedef struct _GlyphNew {
|
|
Glyph id;
|
|
GlyphPtr glyph;
|
|
} GlyphNewRec, *GlyphNewPtr;
|
|
|
|
static int
|
|
ProcRenderAddGlyphs(ClientPtr client)
|
|
{
|
|
GlyphSetPtr glyphSet;
|
|
|
|
REQUEST(xRenderAddGlyphsReq);
|
|
GlyphNewRec glyphsLocal[NLOCALGLYPH];
|
|
|
|
GlyphNewPtr glyphsBase, glyphs;
|
|
|
|
GlyphPtr glyph;
|
|
|
|
int remain, nglyphs;
|
|
|
|
CARD32 *gids;
|
|
|
|
xGlyphInfo *gi;
|
|
|
|
CARD8 *bits;
|
|
|
|
int size;
|
|
|
|
int err = BadAlloc;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderAddGlyphsReq);
|
|
glyphSet = (GlyphSetPtr) SecurityLookupIDByType(client,
|
|
stuff->glyphset,
|
|
GlyphSetType,
|
|
SecurityWriteAccess);
|
|
if (!glyphSet) {
|
|
client->errorValue = stuff->glyphset;
|
|
return RenderErrBase + BadGlyphSet;
|
|
}
|
|
|
|
nglyphs = stuff->nglyphs;
|
|
if (nglyphs > UINT32_MAX / sizeof(GlyphNewRec))
|
|
return BadAlloc;
|
|
|
|
if (nglyphs <= NLOCALGLYPH)
|
|
glyphsBase = glyphsLocal;
|
|
else {
|
|
glyphsBase = malloc(nglyphs * sizeof(GlyphNewRec));
|
|
if (!glyphsBase)
|
|
return BadAlloc;
|
|
}
|
|
|
|
remain = (client->req_len << 2) - sizeof(xRenderAddGlyphsReq);
|
|
|
|
glyphs = glyphsBase;
|
|
|
|
gids = (CARD32 *) (stuff + 1);
|
|
gi = (xGlyphInfo *) (gids + nglyphs);
|
|
bits = (CARD8 *) (gi + nglyphs);
|
|
remain -= (sizeof(CARD32) + sizeof(xGlyphInfo)) * nglyphs;
|
|
while (remain >= 0 && nglyphs) {
|
|
glyph = AllocateGlyph(gi, glyphSet->fdepth);
|
|
if (!glyph) {
|
|
err = BadAlloc;
|
|
goto bail;
|
|
}
|
|
|
|
glyphs->glyph = glyph;
|
|
glyphs->id = *gids;
|
|
|
|
size = glyph->size - sizeof(xGlyphInfo);
|
|
if (remain < size)
|
|
break;
|
|
memcpy((CARD8 *) (glyph + 1), bits, size);
|
|
|
|
if (size & 3)
|
|
size += 4 - (size & 3);
|
|
bits += size;
|
|
remain -= size;
|
|
gi++;
|
|
gids++;
|
|
glyphs++;
|
|
nglyphs--;
|
|
}
|
|
if (nglyphs || remain) {
|
|
err = BadLength;
|
|
goto bail;
|
|
}
|
|
nglyphs = stuff->nglyphs;
|
|
if (!ResizeGlyphSet(glyphSet, nglyphs)) {
|
|
err = BadAlloc;
|
|
goto bail;
|
|
}
|
|
glyphs = glyphsBase;
|
|
while (nglyphs--) {
|
|
AddGlyph(glyphSet, glyphs->glyph, glyphs->id);
|
|
glyphs++;
|
|
}
|
|
|
|
if (glyphsBase != glyphsLocal)
|
|
free(glyphsBase);
|
|
return client->noClientException;
|
|
bail:
|
|
while (glyphs != glyphsBase) {
|
|
--glyphs;
|
|
free(glyphs->glyph);
|
|
}
|
|
if (glyphsBase != glyphsLocal)
|
|
free(glyphsBase);
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
ProcRenderAddGlyphsFromPicture(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
ProcRenderFreeGlyphs(ClientPtr client)
|
|
{
|
|
REQUEST(xRenderFreeGlyphsReq);
|
|
GlyphSetPtr glyphSet;
|
|
|
|
int nglyph;
|
|
|
|
CARD32 *gids;
|
|
|
|
CARD32 glyph;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq);
|
|
glyphSet = (GlyphSetPtr) SecurityLookupIDByType(client,
|
|
stuff->glyphset,
|
|
GlyphSetType,
|
|
SecurityWriteAccess);
|
|
if (!glyphSet) {
|
|
client->errorValue = stuff->glyphset;
|
|
return RenderErrBase + BadGlyphSet;
|
|
}
|
|
nglyph = ((client->req_len << 2) - sizeof(xRenderFreeGlyphsReq)) >> 2;
|
|
gids = (CARD32 *) (stuff + 1);
|
|
while (nglyph-- > 0) {
|
|
glyph = *gids++;
|
|
if (!DeleteGlyph(glyphSet, glyph)) {
|
|
client->errorValue = glyph;
|
|
return RenderErrBase + BadGlyph;
|
|
}
|
|
}
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCompositeGlyphs(ClientPtr client)
|
|
{
|
|
GlyphSetPtr glyphSet;
|
|
|
|
GlyphSet gs;
|
|
|
|
PicturePtr pSrc, pDst;
|
|
|
|
PictFormatPtr pFormat;
|
|
|
|
GlyphListRec listsLocal[NLOCALDELTA];
|
|
|
|
GlyphListPtr lists, listsBase;
|
|
|
|
GlyphPtr glyphsLocal[NLOCALGLYPH];
|
|
|
|
Glyph glyph;
|
|
|
|
GlyphPtr *glyphs, *glyphsBase;
|
|
|
|
xGlyphElt *elt;
|
|
|
|
CARD8 *buffer, *end;
|
|
|
|
int nglyph;
|
|
|
|
int nlist;
|
|
|
|
int space;
|
|
|
|
int size;
|
|
|
|
int n;
|
|
|
|
REQUEST(xRenderCompositeGlyphsReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderCompositeGlyphsReq);
|
|
|
|
switch (stuff->renderReqType) {
|
|
default:
|
|
size = 1;
|
|
break;
|
|
case X_RenderCompositeGlyphs16:
|
|
size = 2;
|
|
break;
|
|
case X_RenderCompositeGlyphs32:
|
|
size = 4;
|
|
break;
|
|
}
|
|
|
|
if (!PictOpValid(stuff->op)) {
|
|
client->errorValue = stuff->op;
|
|
return BadValue;
|
|
}
|
|
VERIFY_PICTURE(pSrc, stuff->src, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
VERIFY_PICTURE(pDst, stuff->dst, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pDst->pDrawable)
|
|
return BadDrawable;
|
|
if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen)
|
|
return BadMatch;
|
|
if (stuff->maskFormat) {
|
|
pFormat = (PictFormatPtr) SecurityLookupIDByType(client,
|
|
stuff->maskFormat,
|
|
PictFormatType,
|
|
SecurityReadAccess);
|
|
if (!pFormat) {
|
|
client->errorValue = stuff->maskFormat;
|
|
return RenderErrBase + BadPictFormat;
|
|
}
|
|
}
|
|
else
|
|
pFormat = 0;
|
|
|
|
glyphSet = (GlyphSetPtr) SecurityLookupIDByType(client,
|
|
stuff->glyphset,
|
|
GlyphSetType,
|
|
SecurityReadAccess);
|
|
if (!glyphSet) {
|
|
client->errorValue = stuff->glyphset;
|
|
return RenderErrBase + BadGlyphSet;
|
|
}
|
|
|
|
buffer = (CARD8 *) (stuff + 1);
|
|
end = (CARD8 *) stuff + (client->req_len << 2);
|
|
nglyph = 0;
|
|
nlist = 0;
|
|
while (buffer + sizeof(xGlyphElt) < end) {
|
|
elt = (xGlyphElt *) buffer;
|
|
buffer += sizeof(xGlyphElt);
|
|
|
|
if (elt->len == 0xff) {
|
|
buffer += 4;
|
|
}
|
|
else {
|
|
nlist++;
|
|
nglyph += elt->len;
|
|
space = size * elt->len;
|
|
if (space & 3)
|
|
space += 4 - (space & 3);
|
|
buffer += space;
|
|
}
|
|
}
|
|
if (nglyph <= NLOCALGLYPH)
|
|
glyphsBase = glyphsLocal;
|
|
else {
|
|
glyphsBase = (GlyphPtr *) ALLOCATE_LOCAL(nglyph * sizeof(GlyphPtr));
|
|
if (!glyphsBase)
|
|
return BadAlloc;
|
|
}
|
|
if (nlist <= NLOCALDELTA)
|
|
listsBase = listsLocal;
|
|
else {
|
|
listsBase = (GlyphListPtr) ALLOCATE_LOCAL(nlist * sizeof(GlyphListRec));
|
|
if (!listsBase)
|
|
return BadAlloc;
|
|
}
|
|
buffer = (CARD8 *) (stuff + 1);
|
|
glyphs = glyphsBase;
|
|
lists = listsBase;
|
|
while (buffer + sizeof(xGlyphElt) < end) {
|
|
elt = (xGlyphElt *) buffer;
|
|
buffer += sizeof(xGlyphElt);
|
|
|
|
if (elt->len == 0xff) {
|
|
if (buffer + sizeof(GlyphSet) < end) {
|
|
memcpy(&gs, buffer, sizeof(GlyphSet));
|
|
glyphSet = (GlyphSetPtr) SecurityLookupIDByType(client,
|
|
gs,
|
|
GlyphSetType,
|
|
SecurityReadAccess);
|
|
if (!glyphSet) {
|
|
client->errorValue = gs;
|
|
if (glyphsBase != glyphsLocal)
|
|
DEALLOCATE_LOCAL(glyphsBase);
|
|
if (listsBase != listsLocal)
|
|
DEALLOCATE_LOCAL(listsBase);
|
|
return RenderErrBase + BadGlyphSet;
|
|
}
|
|
}
|
|
buffer += 4;
|
|
}
|
|
else {
|
|
lists->xOff = elt->deltax;
|
|
lists->yOff = elt->deltay;
|
|
lists->format = glyphSet->format;
|
|
lists->len = 0;
|
|
n = elt->len;
|
|
while (n--) {
|
|
if (buffer + size <= end) {
|
|
switch (size) {
|
|
case 1:
|
|
glyph = *((CARD8 *) buffer);
|
|
break;
|
|
case 2:
|
|
glyph = *((CARD16 *) buffer);
|
|
break;
|
|
case 4:
|
|
default:
|
|
glyph = *((CARD32 *) buffer);
|
|
break;
|
|
}
|
|
if ((*glyphs = FindGlyph(glyphSet, glyph))) {
|
|
lists->len++;
|
|
glyphs++;
|
|
}
|
|
}
|
|
buffer += size;
|
|
}
|
|
space = size * elt->len;
|
|
if (space & 3)
|
|
buffer += 4 - (space & 3);
|
|
lists++;
|
|
}
|
|
}
|
|
if (buffer > end)
|
|
return BadLength;
|
|
|
|
CompositeGlyphs(stuff->op,
|
|
pSrc,
|
|
pDst,
|
|
pFormat,
|
|
stuff->xSrc, stuff->ySrc, nlist, listsBase, glyphsBase);
|
|
|
|
if (glyphsBase != glyphsLocal)
|
|
DEALLOCATE_LOCAL(glyphsBase);
|
|
if (listsBase != listsLocal)
|
|
DEALLOCATE_LOCAL(listsBase);
|
|
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderFillRectangles(ClientPtr client)
|
|
{
|
|
PicturePtr pDst;
|
|
|
|
int things;
|
|
|
|
REQUEST(xRenderFillRectanglesReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderFillRectanglesReq);
|
|
if (!PictOpValid(stuff->op)) {
|
|
client->errorValue = stuff->op;
|
|
return BadValue;
|
|
}
|
|
VERIFY_PICTURE(pDst, stuff->dst, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pDst->pDrawable)
|
|
return BadDrawable;
|
|
|
|
things = (client->req_len << 2) - sizeof(xRenderFillRectanglesReq);
|
|
if (things & 4)
|
|
return (BadLength);
|
|
things >>= 3;
|
|
|
|
CompositeRects(stuff->op,
|
|
pDst, &stuff->color, things, (xRectangle *) &stuff[1]);
|
|
|
|
return client->noClientException;
|
|
}
|
|
|
|
static void
|
|
SetBit(unsigned char *line, int x, int bit)
|
|
{
|
|
unsigned char mask;
|
|
|
|
if (screenInfo.bitmapBitOrder == LSBFirst)
|
|
mask = (1 << (x & 7));
|
|
else
|
|
mask = (0x80 >> (x & 7));
|
|
/* XXX assumes byte order is host byte order */
|
|
line += (x >> 3);
|
|
if (bit)
|
|
*line |= mask;
|
|
else
|
|
*line &= ~mask;
|
|
}
|
|
|
|
#define DITHER_DIM 2
|
|
|
|
static CARD32 orderedDither[DITHER_DIM][DITHER_DIM] = {
|
|
{1, 3,},
|
|
{4, 2,},
|
|
};
|
|
|
|
#define DITHER_SIZE ((sizeof orderedDither / sizeof orderedDither[0][0]) + 1)
|
|
|
|
static int
|
|
ProcRenderCreateCursor(ClientPtr client)
|
|
{
|
|
REQUEST(xRenderCreateCursorReq);
|
|
PicturePtr pSrc;
|
|
|
|
ScreenPtr pScreen;
|
|
|
|
unsigned short width, height;
|
|
|
|
CARD32 *argbbits, *argb;
|
|
|
|
unsigned char *srcbits, *srcline;
|
|
|
|
unsigned char *mskbits, *mskline;
|
|
|
|
int stride;
|
|
|
|
int x, y;
|
|
|
|
int nbytes_mono;
|
|
|
|
CursorMetricRec cm;
|
|
|
|
CursorPtr pCursor;
|
|
|
|
CARD32 twocolor[3];
|
|
|
|
int ncolor;
|
|
|
|
REQUEST_SIZE_MATCH(xRenderCreateCursorReq);
|
|
LEGAL_NEW_RESOURCE(stuff->cid, client);
|
|
|
|
VERIFY_PICTURE(pSrc, stuff->src, client, SecurityReadAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pSrc->pDrawable)
|
|
return BadDrawable;
|
|
pScreen = pSrc->pDrawable->pScreen;
|
|
width = pSrc->pDrawable->width;
|
|
height = pSrc->pDrawable->height;
|
|
if (stuff->x > width || stuff->y > height)
|
|
return (BadMatch);
|
|
argbbits = malloc(width * height * sizeof(CARD32));
|
|
if (!argbbits)
|
|
return (BadAlloc);
|
|
|
|
stride = BitmapBytePad(width);
|
|
nbytes_mono = stride * height;
|
|
srcbits = malloc(nbytes_mono);
|
|
if (!srcbits) {
|
|
free(argbbits);
|
|
return (BadAlloc);
|
|
}
|
|
mskbits = malloc(nbytes_mono);
|
|
if (!mskbits) {
|
|
free(argbbits);
|
|
free(srcbits);
|
|
return (BadAlloc);
|
|
}
|
|
bzero((char *) mskbits, nbytes_mono);
|
|
bzero((char *) srcbits, nbytes_mono);
|
|
|
|
if (pSrc->format == PICT_a8r8g8b8) {
|
|
(*pScreen->GetImage) (pSrc->pDrawable,
|
|
0, 0, width, height, ZPixmap,
|
|
0xffffffff, (pointer) argbbits);
|
|
}
|
|
else {
|
|
PixmapPtr pPixmap;
|
|
|
|
PicturePtr pPicture;
|
|
|
|
PictFormatPtr pFormat;
|
|
|
|
int error;
|
|
|
|
pFormat = PictureMatchFormat(pScreen, 32, PICT_a8r8g8b8);
|
|
if (!pFormat) {
|
|
free(argbbits);
|
|
free(srcbits);
|
|
free(mskbits);
|
|
return (BadImplementation);
|
|
}
|
|
pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32);
|
|
if (!pPixmap) {
|
|
free(argbbits);
|
|
free(srcbits);
|
|
free(mskbits);
|
|
return (BadAlloc);
|
|
}
|
|
pPicture = CreatePicture(0, &pPixmap->drawable, pFormat, 0, 0,
|
|
client, &error);
|
|
if (!pPicture) {
|
|
free(argbbits);
|
|
free(srcbits);
|
|
free(mskbits);
|
|
return error;
|
|
}
|
|
(*pScreen->DestroyPixmap) (pPixmap);
|
|
CompositePicture(PictOpSrc,
|
|
pSrc, 0, pPicture, 0, 0, 0, 0, 0, 0, width, height);
|
|
(*pScreen->GetImage) (pPicture->pDrawable,
|
|
0, 0, width, height, ZPixmap,
|
|
0xffffffff, (pointer) argbbits);
|
|
FreePicture(pPicture, 0);
|
|
}
|
|
/*
|
|
* Check whether the cursor can be directly supported by
|
|
* the core cursor code
|
|
*/
|
|
ncolor = 0;
|
|
argb = argbbits;
|
|
for (y = 0; ncolor <= 2 && y < height; y++) {
|
|
for (x = 0; ncolor <= 2 && x < width; x++) {
|
|
CARD32 p = *argb++;
|
|
|
|
CARD32 a = (p >> 24);
|
|
|
|
if (a == 0) /* transparent */
|
|
continue;
|
|
if (a == 0xff) { /* opaque */
|
|
int n;
|
|
|
|
for (n = 0; n < ncolor; n++)
|
|
if (p == twocolor[n])
|
|
break;
|
|
if (n == ncolor)
|
|
twocolor[ncolor++] = p;
|
|
}
|
|
else
|
|
ncolor = 3;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Convert argb image to two plane cursor
|
|
*/
|
|
srcline = srcbits;
|
|
mskline = mskbits;
|
|
argb = argbbits;
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
CARD32 p = *argb++;
|
|
|
|
if (ncolor <= 2) {
|
|
CARD32 a = ((p >> 24));
|
|
|
|
SetBit(mskline, x, a != 0);
|
|
SetBit(srcline, x, a != 0 && p == twocolor[0]);
|
|
}
|
|
else {
|
|
CARD32 a = ((p >> 24) * DITHER_SIZE + 127) / 255;
|
|
|
|
CARD32 i = ((CvtR8G8B8toY15(p) >> 7) * DITHER_SIZE + 127) / 255;
|
|
|
|
CARD32 d =
|
|
orderedDither[y & (DITHER_DIM - 1)][x & (DITHER_DIM - 1)];
|
|
/* Set mask from dithered alpha value */
|
|
SetBit(mskline, x, a > d);
|
|
/* Set src from dithered intensity value */
|
|
SetBit(srcline, x, a > d && i <= d);
|
|
}
|
|
}
|
|
srcline += stride;
|
|
mskline += stride;
|
|
}
|
|
/*
|
|
* Dither to white and black if the cursor has more than two colors
|
|
*/
|
|
if (ncolor > 2) {
|
|
twocolor[0] = 0xff000000;
|
|
twocolor[1] = 0xffffffff;
|
|
}
|
|
else {
|
|
free(argbbits);
|
|
argbbits = 0;
|
|
}
|
|
|
|
#define GetByte(p,s) (((p) >> (s)) & 0xff)
|
|
#define GetColor(p,s) (GetByte(p,s) | (GetByte(p,s) << 8))
|
|
|
|
cm.width = width;
|
|
cm.height = height;
|
|
cm.xhot = stuff->x;
|
|
cm.yhot = stuff->y;
|
|
pCursor = AllocCursorARGB(srcbits, mskbits, argbbits, &cm,
|
|
GetColor(twocolor[0], 16),
|
|
GetColor(twocolor[0], 8),
|
|
GetColor(twocolor[0], 0),
|
|
GetColor(twocolor[1], 16),
|
|
GetColor(twocolor[1], 8),
|
|
GetColor(twocolor[1], 0));
|
|
if (pCursor && AddResource(stuff->cid, RT_CURSOR, (pointer) pCursor))
|
|
return (client->noClientException);
|
|
return BadAlloc;
|
|
}
|
|
|
|
static int
|
|
ProcRenderSetPictureTransform(ClientPtr client)
|
|
{
|
|
REQUEST(xRenderSetPictureTransformReq);
|
|
PicturePtr pPicture;
|
|
|
|
int result;
|
|
|
|
REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);
|
|
VERIFY_PICTURE(pPicture, stuff->picture, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
result =
|
|
SetPictureTransform(pPicture, (PictTransform *) & stuff->transform);
|
|
if (client->noClientException != Success)
|
|
return (client->noClientException);
|
|
else
|
|
return (result);
|
|
}
|
|
|
|
static int
|
|
ProcRenderQueryFilters(ClientPtr client)
|
|
{
|
|
REQUEST(xRenderQueryFiltersReq);
|
|
DrawablePtr pDrawable;
|
|
|
|
xRenderQueryFiltersReply *reply;
|
|
|
|
int nbytesName;
|
|
|
|
int nnames;
|
|
|
|
ScreenPtr pScreen;
|
|
|
|
PictureScreenPtr ps;
|
|
|
|
int i, j;
|
|
|
|
int len;
|
|
|
|
int total_bytes;
|
|
|
|
INT16 *aliases;
|
|
|
|
char *names;
|
|
|
|
REQUEST_SIZE_MATCH(xRenderQueryFiltersReq);
|
|
SECURITY_VERIFY_DRAWABLE(pDrawable, stuff->drawable, client,
|
|
SecurityReadAccess);
|
|
|
|
pScreen = pDrawable->pScreen;
|
|
nbytesName = 0;
|
|
nnames = 0;
|
|
ps = GetPictureScreenIfSet(pScreen);
|
|
if (ps) {
|
|
for (i = 0; i < ps->nfilters; i++)
|
|
nbytesName += 1 + strlen(ps->filters[i].name);
|
|
for (i = 0; i < ps->nfilterAliases; i++)
|
|
nbytesName += 1 + strlen(ps->filterAliases[i].alias);
|
|
nnames = ps->nfilters + ps->nfilterAliases;
|
|
}
|
|
len = ((nnames + 1) >> 1) + ((nbytesName + 3) >> 2);
|
|
total_bytes = sizeof(xRenderQueryFiltersReply) + (len << 2);
|
|
reply = malloc(total_bytes);
|
|
if (!reply)
|
|
return BadAlloc;
|
|
aliases = (INT16 *) (reply + 1);
|
|
names = (char *) (aliases + ((nnames + 1) & ~1));
|
|
|
|
reply->type = X_Reply;
|
|
reply->sequenceNumber = client->sequence;
|
|
reply->length = len;
|
|
reply->numAliases = nnames;
|
|
reply->numFilters = nnames;
|
|
if (ps) {
|
|
|
|
/* fill in alias values */
|
|
for (i = 0; i < ps->nfilters; i++)
|
|
aliases[i] = FilterAliasNone;
|
|
for (i = 0; i < ps->nfilterAliases; i++) {
|
|
for (j = 0; j < ps->nfilters; j++)
|
|
if (ps->filterAliases[i].filter_id == ps->filters[j].id)
|
|
break;
|
|
if (j == ps->nfilters) {
|
|
for (j = 0; j < ps->nfilterAliases; j++)
|
|
if (ps->filterAliases[i].filter_id ==
|
|
ps->filterAliases[j].alias_id) {
|
|
break;
|
|
}
|
|
if (j == ps->nfilterAliases)
|
|
j = FilterAliasNone;
|
|
else
|
|
j = j + ps->nfilters;
|
|
}
|
|
aliases[i + ps->nfilters] = j;
|
|
}
|
|
|
|
/* fill in filter names */
|
|
for (i = 0; i < ps->nfilters; i++) {
|
|
j = strlen(ps->filters[i].name);
|
|
*names++ = j;
|
|
strncpy(names, ps->filters[i].name, j);
|
|
names += j;
|
|
}
|
|
|
|
/* fill in filter alias names */
|
|
for (i = 0; i < ps->nfilterAliases; i++) {
|
|
j = strlen(ps->filterAliases[i].alias);
|
|
*names++ = j;
|
|
strncpy(names, ps->filterAliases[i].alias, j);
|
|
names += j;
|
|
}
|
|
}
|
|
|
|
if (client->swapped) {
|
|
|
|
for (i = 0; i < reply->numAliases; i++) {
|
|
swaps(&aliases[i]);
|
|
}
|
|
swaps(&reply->sequenceNumber);
|
|
swapl(&reply->length);
|
|
swapl(&reply->numAliases);
|
|
swapl(&reply->numFilters);
|
|
}
|
|
WriteToClient(client, total_bytes, (char *) reply);
|
|
free(reply);
|
|
|
|
return (client->noClientException);
|
|
}
|
|
|
|
static int
|
|
ProcRenderSetPictureFilter(ClientPtr client)
|
|
{
|
|
REQUEST(xRenderSetPictureFilterReq);
|
|
PicturePtr pPicture;
|
|
|
|
int result;
|
|
|
|
xFixed *params;
|
|
|
|
int nparams;
|
|
|
|
char *name;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);
|
|
VERIFY_PICTURE(pPicture, stuff->picture, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
name = (char *) (stuff + 1);
|
|
params = (xFixed *) (name + ((stuff->nbytes + 3) & ~3));
|
|
nparams = ((xFixed *) stuff + client->req_len) - params;
|
|
result = SetPictureFilter(pPicture, name, stuff->nbytes, params, nparams);
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCreateAnimCursor(ClientPtr client)
|
|
{
|
|
REQUEST(xRenderCreateAnimCursorReq);
|
|
CursorPtr *cursors;
|
|
|
|
CARD32 *deltas;
|
|
|
|
CursorPtr pCursor;
|
|
|
|
int ncursor;
|
|
|
|
xAnimCursorElt *elt;
|
|
|
|
int i;
|
|
|
|
int ret;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateAnimCursorReq);
|
|
LEGAL_NEW_RESOURCE(stuff->cid, client);
|
|
if (client->req_len & 1)
|
|
return BadLength;
|
|
ncursor =
|
|
(client->req_len - (SIZEOF(xRenderCreateAnimCursorReq) >> 2)) >> 1;
|
|
cursors = malloc(ncursor * (sizeof(CursorPtr) + sizeof(CARD32)));
|
|
if (!cursors)
|
|
return BadAlloc;
|
|
deltas = (CARD32 *) (cursors + ncursor);
|
|
elt = (xAnimCursorElt *) (stuff + 1);
|
|
for (i = 0; i < ncursor; i++) {
|
|
cursors[i] = (CursorPtr) SecurityLookupIDByType(client, elt->cursor,
|
|
RT_CURSOR,
|
|
SecurityReadAccess);
|
|
if (!cursors[i]) {
|
|
free(cursors);
|
|
client->errorValue = elt->cursor;
|
|
return BadCursor;
|
|
}
|
|
deltas[i] = elt->delay;
|
|
elt++;
|
|
}
|
|
ret = AnimCursorCreate(cursors, deltas, ncursor, &pCursor);
|
|
free(cursors);
|
|
if (ret != Success)
|
|
return ret;
|
|
|
|
if (AddResource(stuff->cid, RT_CURSOR, (pointer) pCursor))
|
|
return client->noClientException;
|
|
return BadAlloc;
|
|
}
|
|
|
|
static int
|
|
ProcRenderAddTraps(ClientPtr client)
|
|
{
|
|
int ntraps;
|
|
|
|
PicturePtr pPicture;
|
|
|
|
REQUEST(xRenderAddTrapsReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderAddTrapsReq);
|
|
VERIFY_PICTURE(pPicture, stuff->picture, client, SecurityWriteAccess,
|
|
RenderErrBase + BadPicture);
|
|
if (!pPicture->pDrawable)
|
|
return BadDrawable;
|
|
ntraps = (client->req_len << 2) - sizeof(xRenderAddTrapsReq);
|
|
if (ntraps % sizeof(xTrap))
|
|
return BadLength;
|
|
ntraps /= sizeof(xTrap);
|
|
if (ntraps)
|
|
AddTraps(pPicture,
|
|
stuff->xOff, stuff->yOff, ntraps, (xTrap *) & stuff[1]);
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCreateSolidFill(ClientPtr client)
|
|
{
|
|
PicturePtr pPicture;
|
|
|
|
int error = 0;
|
|
|
|
REQUEST(xRenderCreateSolidFillReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateSolidFillReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->pid, client);
|
|
|
|
pPicture = CreateSolidPicture(stuff->pid, &stuff->color, &error);
|
|
if (!pPicture)
|
|
return error;
|
|
if (!AddResource(stuff->pid, PictureType, (pointer) pPicture))
|
|
return BadAlloc;
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCreateLinearGradient(ClientPtr client)
|
|
{
|
|
PicturePtr pPicture;
|
|
|
|
int len;
|
|
|
|
int error = 0;
|
|
|
|
xFixed *stops;
|
|
|
|
xRenderColor *colors;
|
|
|
|
REQUEST(xRenderCreateLinearGradientReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->pid, client);
|
|
|
|
len = (client->req_len << 2) - sizeof(xRenderCreateLinearGradientReq);
|
|
if (len != stuff->nStops * (sizeof(xFixed) + sizeof(xRenderColor)))
|
|
return BadLength;
|
|
|
|
stops = (xFixed *) (stuff + 1);
|
|
colors = (xRenderColor *) (stops + stuff->nStops);
|
|
|
|
pPicture = CreateLinearGradientPicture(stuff->pid, &stuff->p1, &stuff->p2,
|
|
stuff->nStops, stops, colors,
|
|
&error);
|
|
if (!pPicture)
|
|
return error;
|
|
if (!AddResource(stuff->pid, PictureType, (pointer) pPicture))
|
|
return BadAlloc;
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCreateRadialGradient(ClientPtr client)
|
|
{
|
|
PicturePtr pPicture;
|
|
|
|
int len;
|
|
|
|
int error = 0;
|
|
|
|
xFixed *stops;
|
|
|
|
xRenderColor *colors;
|
|
|
|
REQUEST(xRenderCreateRadialGradientReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->pid, client);
|
|
|
|
len = (client->req_len << 2) - sizeof(xRenderCreateRadialGradientReq);
|
|
if (len != stuff->nStops * (sizeof(xFixed) + sizeof(xRenderColor)))
|
|
return BadLength;
|
|
|
|
stops = (xFixed *) (stuff + 1);
|
|
colors = (xRenderColor *) (stops + stuff->nStops);
|
|
|
|
pPicture =
|
|
CreateRadialGradientPicture(stuff->pid, &stuff->inner, &stuff->outer,
|
|
stuff->inner_radius, stuff->outer_radius,
|
|
stuff->nStops, stops, colors, &error);
|
|
if (!pPicture)
|
|
return error;
|
|
if (!AddResource(stuff->pid, PictureType, (pointer) pPicture))
|
|
return BadAlloc;
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcRenderCreateConicalGradient(ClientPtr client)
|
|
{
|
|
PicturePtr pPicture;
|
|
|
|
int len;
|
|
|
|
int error = 0;
|
|
|
|
xFixed *stops;
|
|
|
|
xRenderColor *colors;
|
|
|
|
REQUEST(xRenderCreateConicalGradientReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->pid, client);
|
|
|
|
len = (client->req_len << 2) - sizeof(xRenderCreateConicalGradientReq);
|
|
if (len != stuff->nStops * (sizeof(xFixed) + sizeof(xRenderColor)))
|
|
return BadLength;
|
|
|
|
stops = (xFixed *) (stuff + 1);
|
|
colors = (xRenderColor *) (stops + stuff->nStops);
|
|
|
|
pPicture =
|
|
CreateConicalGradientPicture(stuff->pid, &stuff->center, stuff->angle,
|
|
stuff->nStops, stops, colors, &error);
|
|
if (!pPicture)
|
|
return error;
|
|
if (!AddResource(stuff->pid, PictureType, (pointer) pPicture))
|
|
return BadAlloc;
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcRenderDispatch(ClientPtr client)
|
|
{
|
|
REQUEST(xReq);
|
|
|
|
if (stuff->data < RenderNumberRequests)
|
|
return (*ProcRenderVector[stuff->data]) (client);
|
|
else
|
|
return BadRequest;
|
|
}
|
|
|
|
static int
|
|
SProcRenderQueryVersion(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderQueryVersionReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->majorVersion);
|
|
swapl(&stuff->minorVersion);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderQueryPictFormats(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderQueryPictFormatsReq);
|
|
swaps(&stuff->length);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderQueryPictIndexValues(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderQueryPictIndexValuesReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->format);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderQueryDithers(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreatePicture(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderCreatePictureReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->pid);
|
|
swapl(&stuff->drawable);
|
|
swapl(&stuff->format);
|
|
swapl(&stuff->mask);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderChangePicture(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderChangePictureReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->picture);
|
|
swapl(&stuff->mask);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderSetPictureClipRectangles(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderSetPictureClipRectanglesReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->picture);
|
|
SwapRestS(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderFreePicture(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderFreePictureReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->picture);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderComposite(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderCompositeReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->src);
|
|
swapl(&stuff->mask);
|
|
swapl(&stuff->dst);
|
|
swaps(&stuff->xSrc);
|
|
swaps(&stuff->ySrc);
|
|
swaps(&stuff->xMask);
|
|
swaps(&stuff->yMask);
|
|
swaps(&stuff->xDst);
|
|
swaps(&stuff->yDst);
|
|
swaps(&stuff->width);
|
|
swaps(&stuff->height);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderScale(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderScaleReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->src);
|
|
swapl(&stuff->dst);
|
|
swapl(&stuff->colorScale);
|
|
swapl(&stuff->alphaScale);
|
|
swaps(&stuff->xSrc);
|
|
swaps(&stuff->ySrc);
|
|
swaps(&stuff->xDst);
|
|
swaps(&stuff->yDst);
|
|
swaps(&stuff->width);
|
|
swaps(&stuff->height);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderTrapezoids(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderTrapezoidsReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTrapezoidsReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->src);
|
|
swapl(&stuff->dst);
|
|
swapl(&stuff->maskFormat);
|
|
swaps(&stuff->xSrc);
|
|
swaps(&stuff->ySrc);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderTriangles(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderTrianglesReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->src);
|
|
swapl(&stuff->dst);
|
|
swapl(&stuff->maskFormat);
|
|
swaps(&stuff->xSrc);
|
|
swaps(&stuff->ySrc);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderTriStrip(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderTriStripReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTriStripReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->src);
|
|
swapl(&stuff->dst);
|
|
swapl(&stuff->maskFormat);
|
|
swaps(&stuff->xSrc);
|
|
swaps(&stuff->ySrc);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderTriFan(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderTriFanReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderTriFanReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->src);
|
|
swapl(&stuff->dst);
|
|
swapl(&stuff->maskFormat);
|
|
swaps(&stuff->xSrc);
|
|
swaps(&stuff->ySrc);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderColorTrapezoids(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
SProcRenderColorTriangles(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
SProcRenderTransform(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreateGlyphSet(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderCreateGlyphSetReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->gsid);
|
|
swapl(&stuff->format);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderReferenceGlyphSet(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderReferenceGlyphSetReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->gsid);
|
|
swapl(&stuff->existing);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderFreeGlyphSet(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderFreeGlyphSetReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->glyphset);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderAddGlyphs(ClientPtr client)
|
|
{
|
|
|
|
int i;
|
|
|
|
CARD32 *gids;
|
|
|
|
void *end;
|
|
|
|
xGlyphInfo *gi;
|
|
|
|
REQUEST(xRenderAddGlyphsReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->glyphset);
|
|
swapl(&stuff->nglyphs);
|
|
if (stuff->nglyphs & 0xe0000000)
|
|
return BadLength;
|
|
end = (CARD8 *) stuff + (client->req_len << 2);
|
|
gids = (CARD32 *) (stuff + 1);
|
|
gi = (xGlyphInfo *) (gids + stuff->nglyphs);
|
|
if ((char *) end - (char *) (gids + stuff->nglyphs) < 0)
|
|
return BadLength;
|
|
if ((char *) end - (char *) (gi + stuff->nglyphs) < 0)
|
|
return BadLength;
|
|
for (i = 0; i < stuff->nglyphs; i++) {
|
|
swapl(&gids[i]);
|
|
swaps(&gi[i].width);
|
|
swaps(&gi[i].height);
|
|
swaps(&gi[i].x);
|
|
swaps(&gi[i].y);
|
|
swaps(&gi[i].xOff);
|
|
swaps(&gi[i].yOff);
|
|
}
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderAddGlyphsFromPicture(ClientPtr client)
|
|
{
|
|
return BadImplementation;
|
|
}
|
|
|
|
static int
|
|
SProcRenderFreeGlyphs(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderFreeGlyphsReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->glyphset);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderCompositeGlyphs(ClientPtr client)
|
|
{
|
|
|
|
xGlyphElt *elt;
|
|
|
|
CARD8 *buffer;
|
|
|
|
CARD8 *end;
|
|
|
|
int space;
|
|
|
|
int i;
|
|
|
|
int size;
|
|
|
|
REQUEST(xRenderCompositeGlyphsReq);
|
|
|
|
switch (stuff->renderReqType) {
|
|
default:
|
|
size = 1;
|
|
break;
|
|
case X_RenderCompositeGlyphs16:
|
|
size = 2;
|
|
break;
|
|
case X_RenderCompositeGlyphs32:
|
|
size = 4;
|
|
break;
|
|
}
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->src);
|
|
swapl(&stuff->dst);
|
|
swapl(&stuff->maskFormat);
|
|
swapl(&stuff->glyphset);
|
|
swaps(&stuff->xSrc);
|
|
swaps(&stuff->ySrc);
|
|
buffer = (CARD8 *) (stuff + 1);
|
|
end = (CARD8 *) stuff + (client->req_len << 2);
|
|
while (buffer + sizeof(xGlyphElt) < end) {
|
|
elt = (xGlyphElt *) buffer;
|
|
buffer += sizeof(xGlyphElt);
|
|
|
|
swaps(&elt->deltax);
|
|
swaps(&elt->deltay);
|
|
|
|
i = elt->len;
|
|
if (i == 0xff) {
|
|
swapl((int *) buffer);
|
|
buffer += 4;
|
|
}
|
|
else {
|
|
space = size * i;
|
|
switch (size) {
|
|
case 1:
|
|
buffer += i;
|
|
break;
|
|
case 2:
|
|
while (i--) {
|
|
swaps((short *) buffer);
|
|
buffer += 2;
|
|
}
|
|
break;
|
|
case 4:
|
|
while (i--) {
|
|
swapl((int *) buffer);
|
|
buffer += 4;
|
|
}
|
|
break;
|
|
}
|
|
if (space & 3)
|
|
buffer += 4 - (space & 3);
|
|
}
|
|
}
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderFillRectangles(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderFillRectanglesReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRenderFillRectanglesReq);
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->dst);
|
|
swaps(&stuff->color.red);
|
|
swaps(&stuff->color.green);
|
|
swaps(&stuff->color.blue);
|
|
swaps(&stuff->color.alpha);
|
|
SwapRestS(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreateCursor(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderCreateCursorReq);
|
|
REQUEST_SIZE_MATCH(xRenderCreateCursorReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->cid);
|
|
swapl(&stuff->src);
|
|
swaps(&stuff->x);
|
|
swaps(&stuff->y);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderSetPictureTransform(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderSetPictureTransformReq);
|
|
REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->picture);
|
|
swapl(&stuff->transform.matrix11);
|
|
swapl(&stuff->transform.matrix12);
|
|
swapl(&stuff->transform.matrix13);
|
|
swapl(&stuff->transform.matrix21);
|
|
swapl(&stuff->transform.matrix22);
|
|
swapl(&stuff->transform.matrix23);
|
|
swapl(&stuff->transform.matrix31);
|
|
swapl(&stuff->transform.matrix32);
|
|
swapl(&stuff->transform.matrix33);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderQueryFilters(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderQueryFiltersReq);
|
|
REQUEST_SIZE_MATCH(xRenderQueryFiltersReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->drawable);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderSetPictureFilter(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderSetPictureFilterReq);
|
|
REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->picture);
|
|
swaps(&stuff->nbytes);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreateAnimCursor(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderCreateAnimCursorReq);
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateAnimCursorReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->cid);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderAddTraps(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderAddTrapsReq);
|
|
REQUEST_AT_LEAST_SIZE(xRenderAddTrapsReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->picture);
|
|
swaps(&stuff->xOff);
|
|
swaps(&stuff->yOff);
|
|
SwapRestL(stuff);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreateSolidFill(ClientPtr client)
|
|
{
|
|
|
|
REQUEST(xRenderCreateSolidFillReq);
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateSolidFillReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->pid);
|
|
swaps(&stuff->color.alpha);
|
|
swaps(&stuff->color.red);
|
|
swaps(&stuff->color.green);
|
|
swaps(&stuff->color.blue);
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static void
|
|
swapStops(void *stuff, int n)
|
|
{
|
|
int i;
|
|
|
|
CARD32 *stops;
|
|
|
|
CARD16 *colors;
|
|
|
|
stops = (CARD32 *) (stuff);
|
|
for (i = 0; i < n; ++i) {
|
|
swapl(stops);
|
|
++stops;
|
|
}
|
|
colors = (CARD16 *) (stops);
|
|
for (i = 0; i < 4 * n; ++i) {
|
|
swaps(colors);
|
|
++colors;
|
|
}
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreateLinearGradient(ClientPtr client)
|
|
{
|
|
|
|
int len;
|
|
|
|
REQUEST(xRenderCreateLinearGradientReq);
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->pid);
|
|
swapl(&stuff->p1.x);
|
|
swapl(&stuff->p1.y);
|
|
swapl(&stuff->p2.x);
|
|
swapl(&stuff->p2.y);
|
|
swapl(&stuff->nStops);
|
|
|
|
len = (client->req_len << 2) - sizeof(xRenderCreateLinearGradientReq);
|
|
if (len != stuff->nStops * (sizeof(xFixed) + sizeof(xRenderColor)))
|
|
return BadLength;
|
|
|
|
swapStops(stuff + 1, stuff->nStops);
|
|
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreateRadialGradient(ClientPtr client)
|
|
{
|
|
|
|
int len;
|
|
|
|
REQUEST(xRenderCreateRadialGradientReq);
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->pid);
|
|
swapl(&stuff->inner.x);
|
|
swapl(&stuff->inner.y);
|
|
swapl(&stuff->outer.x);
|
|
swapl(&stuff->outer.y);
|
|
swapl(&stuff->inner_radius);
|
|
swapl(&stuff->outer_radius);
|
|
swapl(&stuff->nStops);
|
|
|
|
len = (client->req_len << 2) - sizeof(xRenderCreateRadialGradientReq);
|
|
if (len != stuff->nStops * (sizeof(xFixed) + sizeof(xRenderColor)))
|
|
return BadLength;
|
|
|
|
swapStops(stuff + 1, stuff->nStops);
|
|
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderCreateConicalGradient(ClientPtr client)
|
|
{
|
|
|
|
int len;
|
|
|
|
REQUEST(xRenderCreateConicalGradientReq);
|
|
REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq);
|
|
|
|
swaps(&stuff->length);
|
|
swapl(&stuff->pid);
|
|
swapl(&stuff->center.x);
|
|
swapl(&stuff->center.y);
|
|
swapl(&stuff->angle);
|
|
swapl(&stuff->nStops);
|
|
|
|
len = (client->req_len << 2) - sizeof(xRenderCreateConicalGradientReq);
|
|
if (len != stuff->nStops * (sizeof(xFixed) + sizeof(xRenderColor)))
|
|
return BadLength;
|
|
|
|
swapStops(stuff + 1, stuff->nStops);
|
|
|
|
return (*ProcRenderVector[stuff->renderReqType]) (client);
|
|
}
|
|
|
|
static int
|
|
SProcRenderDispatch(ClientPtr client)
|
|
{
|
|
REQUEST(xReq);
|
|
|
|
if (stuff->data < RenderNumberRequests)
|
|
return (*SProcRenderVector[stuff->data]) (client);
|
|
else
|
|
return BadRequest;
|
|
}
|
|
|