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-rw-r--r--libXrender/src/AddTrap.c68
-rw-r--r--libXrender/src/Color.c92
-rw-r--r--libXrender/src/Composite.c67
-rw-r--r--libXrender/src/Cursor.c79
-rw-r--r--libXrender/src/FillRect.c106
-rw-r--r--libXrender/src/FillRects.c79
-rw-r--r--libXrender/src/Filter.c153
-rw-r--r--libXrender/src/Glyph.c712
-rw-r--r--libXrender/src/Makefile.am27
-rw-r--r--libXrender/src/Picture.c372
-rw-r--r--libXrender/src/Poly.c302
-rw-r--r--libXrender/src/Trap.c74
-rw-r--r--libXrender/src/Tri.c169
-rw-r--r--libXrender/src/Xrender.c889
-rw-r--r--libXrender/src/Xrenderint.h114
15 files changed, 3303 insertions, 0 deletions
diff --git a/libXrender/src/AddTrap.c b/libXrender/src/AddTrap.c
new file mode 100644
index 000000000..421463def
--- /dev/null
+++ b/libXrender/src/AddTrap.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright © 2004 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+#define NLOCAL 256
+
+void
+XRenderAddTraps (Display *dpy,
+ Picture picture,
+ int xOff,
+ int yOff,
+ _Xconst XTrap *traps,
+ int ntrap)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderAddTrapsReq *req;
+ int n;
+ long len;
+ unsigned long max_req = dpy->bigreq_size ? dpy->bigreq_size : dpy->max_request_size;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ while (ntrap)
+ {
+ GetReq(RenderAddTraps, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderAddTraps;
+ req->picture = picture;
+ req->xOff = xOff;
+ req->yOff = yOff;
+ n = ntrap;
+ len = ((long) n) * (SIZEOF (xTrap) >> 2);
+ if (len > (max_req - req->length)) {
+ n = (max_req - req->length) / (SIZEOF (xTrap) >> 2);
+ len = ((long)n) * (SIZEOF (xTrap) >> 2);
+ }
+ SetReqLen (req, len, len);
+ len <<= 2;
+ DataInt32 (dpy, (int *) traps, len);
+ ntrap -= n;
+ traps += n;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
diff --git a/libXrender/src/Color.c b/libXrender/src/Color.c
new file mode 100644
index 000000000..4f934f038
--- /dev/null
+++ b/libXrender/src/Color.c
@@ -0,0 +1,92 @@
+/*
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+Status
+XRenderParseColor(Display *dpy, char *spec, XRenderColor *def)
+{
+
+ if (!strncmp (spec, "rgba:", 5))
+ {
+ unsigned short elements[4];
+ unsigned short *pShort;
+ int i, n;
+ char c;
+
+ spec += 5;
+ /*
+ * Attempt to parse the value portion.
+ */
+ pShort = elements;
+ for (i = 0; i < 4; i++, pShort++, spec++) {
+ n = 0;
+ *pShort = 0;
+ while (*spec != '/' && *spec != '\0') {
+ if (++n > 4) {
+ return 0;
+ }
+ c = *spec++;
+ *pShort <<= 4;
+ if (c >= '0' && c <= '9')
+ *pShort |= c - '0';
+ /* assume string in lowercase
+ else if (c >= 'A' && c <= 'F')
+ *pShort |= c - ('A' - 10);
+ */
+ else if (c >= 'a' && c <= 'f')
+ *pShort |= c - ('a' - 10);
+ else return 0;
+ }
+ if (n == 0)
+ return 0;
+ if (n < 4) {
+ *pShort = ((unsigned long)*pShort * 0xFFFF) / ((1 << n*4) - 1);
+ }
+ }
+ def->red = elements[0];
+ def->green = elements[1];
+ def->blue = elements[2];
+ def->alpha = elements[3];
+ }
+ else
+ {
+ XColor coreColor;
+ Colormap colormap;
+
+ colormap = DefaultColormap (dpy, DefaultScreen (dpy));
+ if (!XParseColor (dpy, colormap, spec, &coreColor))
+ return 0;
+ def->red = coreColor.red;
+ def->green = coreColor.green;
+ def->blue = coreColor.blue;
+ def->alpha = 0xffff;
+ }
+ def->red = (def->red * def->alpha) / 65535;
+ def->green = (def->green * def->alpha) / 65535;
+ def->blue = (def->blue * def->alpha) / 65535;
+ return 1;
+}
diff --git a/libXrender/src/Composite.c b/libXrender/src/Composite.c
new file mode 100644
index 000000000..07151ded9
--- /dev/null
+++ b/libXrender/src/Composite.c
@@ -0,0 +1,67 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+void
+XRenderComposite (Display *dpy,
+ int op,
+ Picture src,
+ Picture mask,
+ Picture dst,
+ int src_x,
+ int src_y,
+ int mask_x,
+ int mask_y,
+ int dst_x,
+ int dst_y,
+ unsigned int width,
+ unsigned int height)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderCompositeReq *req;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ GetReq(RenderComposite, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderComposite;
+ req->op = (CARD8) op;
+ req->src = src;
+ req->mask = mask;
+ req->dst = dst;
+ req->xSrc = src_x;
+ req->ySrc = src_y;
+ req->xMask = mask_x;
+ req->yMask = mask_y;
+ req->xDst = dst_x;
+ req->yDst = dst_y;
+ req->width = width;
+ req->height = height;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
diff --git a/libXrender/src/Cursor.c b/libXrender/src/Cursor.c
new file mode 100644
index 000000000..2679a9eaa
--- /dev/null
+++ b/libXrender/src/Cursor.c
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+Cursor
+XRenderCreateCursor (Display *dpy,
+ Picture source,
+ unsigned int x,
+ unsigned int y)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ Cursor cid;
+ xRenderCreateCursorReq *req;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreateCursor, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreateCursor;
+ req->cid = cid = XAllocID (dpy);
+ req->src = source;
+ req->x = x;
+ req->y = y;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return cid;
+}
+
+Cursor
+XRenderCreateAnimCursor (Display *dpy,
+ int ncursor,
+ XAnimCursor *cursors)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ Cursor cid;
+ xRenderCreateAnimCursorReq *req;
+ long len;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreateAnimCursor, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreateAnimCursor;
+ req->cid = cid = XAllocID (dpy);
+
+ len = (long) ncursor * SIZEOF (xAnimCursorElt) >> 2;
+ SetReqLen (req, len, len);
+ len <<= 2;
+ Data32 (dpy, (long *) cursors, len);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return cid;
+}
diff --git a/libXrender/src/FillRect.c b/libXrender/src/FillRect.c
new file mode 100644
index 000000000..319c35d57
--- /dev/null
+++ b/libXrender/src/FillRect.c
@@ -0,0 +1,106 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+/* precompute the maximum size of batching request allowed */
+
+#define size (SIZEOF(xRenderFillRectanglesReq) + FRCTSPERBATCH * SIZEOF(xRectangle))
+
+void
+XRenderFillRectangle (Display *dpy,
+ int op,
+ Picture dst,
+ _Xconst XRenderColor *color,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRectangle *rect;
+ xRenderFillRectanglesReq *req;
+#ifdef MUSTCOPY
+ xRectangle rectdata;
+ long len = SIZEOF(xRectangle);
+
+ rect = &rectdata;
+#endif /* MUSTCOPY */
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+ req = (xRenderFillRectanglesReq *) dpy->last_req;
+ /* if same as previous request, with same drawable, batch requests */
+ if (req->reqType == info->codes->major_opcode &&
+ req->renderReqType == X_RenderFillRectangles &&
+ req->op == op &&
+ req->dst == dst &&
+ req->color.red == color->red &&
+ req->color.green == color->green &&
+ req->color.blue == color->blue &&
+ req->color.alpha == color->alpha &&
+ dpy->bufptr + SIZEOF(xRectangle) <= dpy->bufmax &&
+ (char *)dpy->bufptr - (char *)req < size)
+ {
+ req->length += SIZEOF(xRectangle) >> 2;
+#ifndef MUSTCOPY
+ rect = (xRectangle *) dpy->bufptr;
+ dpy->bufptr += SIZEOF(xRectangle);
+#endif /* not MUSTCOPY */
+ }
+ else
+ {
+ GetReqExtra(RenderFillRectangles, SIZEOF(xRectangle), req);
+
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderFillRectangles;
+ req->op = op;
+ req->dst = dst;
+ req->color.red = color->red;
+ req->color.green = color->green;
+ req->color.blue = color->blue;
+ req->color.alpha = color->alpha;
+
+#ifdef MUSTCOPY
+ dpy->bufptr -= SIZEOF(xRectangle);
+#else
+ rect = (xRectangle *) NEXTPTR(req,xRenderFillRectanglesReq);
+#endif /* MUSTCOPY */
+ }
+ rect->x = x;
+ rect->y = y;
+ rect->width = width;
+ rect->height = height;
+
+#ifdef MUSTCOPY
+ Data (dpy, (char *) rect, len);
+#endif /* MUSTCOPY */
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
diff --git a/libXrender/src/FillRects.c b/libXrender/src/FillRects.c
new file mode 100644
index 000000000..517eeb0dc
--- /dev/null
+++ b/libXrender/src/FillRects.c
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+/* precompute the maximum size of batching request allowed */
+
+#define size (SIZEOF(xRenderFillRectanglesReq) + FRCTSPERBATCH * SIZEOF(xRectangle))
+
+void
+XRenderFillRectangles (Display *dpy,
+ int op,
+ Picture dst,
+ _Xconst XRenderColor *color,
+ _Xconst XRectangle *rectangles,
+ int n_rects)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderFillRectanglesReq *req;
+ long len;
+ int n;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+ while (n_rects)
+ {
+ GetReq(RenderFillRectangles, req);
+
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderFillRectangles;
+ req->op = op;
+ req->dst = dst;
+ req->color.red = color->red;
+ req->color.green = color->green;
+ req->color.blue = color->blue;
+ req->color.alpha = color->alpha;
+
+ n = n_rects;
+ len = ((long)n) << 1;
+ if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length))
+ {
+ n = (dpy->max_request_size - req->length) >> 1;
+ len = ((long)n) << 1;
+ }
+ SetReqLen(req, len, len);
+ len <<= 2; /* watch out for macros... */
+ Data16 (dpy, (short *) rectangles, len);
+ n_rects -= n;
+ rectangles += n;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
diff --git a/libXrender/src/Filter.c b/libXrender/src/Filter.c
new file mode 100644
index 000000000..3ac660a40
--- /dev/null
+++ b/libXrender/src/Filter.c
@@ -0,0 +1,153 @@
+/*
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+XFilters *
+XRenderQueryFilters (Display *dpy, Drawable drawable)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ XRenderInfo *xri;
+ xRenderQueryFiltersReq *req;
+ xRenderQueryFiltersReply rep;
+ XFilters *filters;
+ char *name;
+ char len;
+ int i;
+ long nbytes, nbytesAlias, nbytesName;
+
+ if (!RenderHasExtension (info))
+ return NULL;
+
+ if (!XRenderQueryFormats (dpy))
+ return NULL;
+
+ xri = info->info;
+ if (xri->minor_version < 6)
+ return NULL;
+
+ LockDisplay (dpy);
+ GetReq (RenderQueryFilters, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderQueryFilters;
+ req->drawable = drawable;
+ if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
+ {
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return NULL;
+ }
+ /*
+ * Compute total number of bytes for filter names
+ */
+ nbytes = (long)rep.length << 2;
+ nbytesAlias = rep.numAliases * 2;
+ if (rep.numAliases & 1)
+ nbytesAlias += 2;
+ nbytesName = nbytes - nbytesAlias;
+
+ /*
+ * Allocate one giant block for the whole data structure
+ */
+ filters = Xmalloc (sizeof (XFilters) +
+ rep.numFilters * sizeof (char *) +
+ rep.numAliases * sizeof (short) +
+ nbytesName);
+
+ if (!filters)
+ {
+ _XEatData (dpy, (unsigned long) rep.length << 2);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return NULL;
+ }
+
+ /*
+ * Layout:
+ * XFilters
+ * numFilters char * pointers to filter names
+ * numAliases short alias values
+ * nbytesName char strings
+ */
+
+ filters->nfilter = rep.numFilters;
+ filters->nalias = rep.numAliases;
+ filters->filter = (char **) (filters + 1);
+ filters->alias = (short *) (filters->filter + rep.numFilters);
+ name = (char *) (filters->alias + rep.numAliases);
+
+ /*
+ * Read the filter aliases
+ */
+ _XRead16Pad (dpy, filters->alias, 2 * rep.numAliases);
+
+ /*
+ * Read the filter names
+ */
+ for (i = 0; i < rep.numFilters; i++)
+ {
+ int l;
+ _XRead (dpy, &len, 1);
+ l = len & 0xff;
+ filters->filter[i] = name;
+ _XRead (dpy, name, l);
+ name[l] = '\0';
+ name += l + 1;
+ }
+ i = name - (char *) (filters->alias + rep.numAliases);
+
+ if (i & 3)
+ _XEatData (dpy, 4 - (i & 3));
+
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return filters;
+}
+
+void
+XRenderSetPictureFilter (Display *dpy,
+ Picture picture,
+ const char *filter,
+ XFixed *params,
+ int nparams)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderSetPictureFilterReq *req;
+ int nbytes = strlen (filter);
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ GetReq(RenderSetPictureFilter, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderSetPictureFilter;
+ req->picture = picture;
+ req->nbytes = nbytes;
+ req->length += ((nbytes + 3) >> 2) + nparams;
+ Data (dpy, filter, nbytes);
+ Data (dpy, (_Xconst char *)params, nparams << 2);
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
diff --git a/libXrender/src/Glyph.c b/libXrender/src/Glyph.c
new file mode 100644
index 000000000..894bb77f2
--- /dev/null
+++ b/libXrender/src/Glyph.c
@@ -0,0 +1,712 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+GlyphSet
+XRenderCreateGlyphSet (Display *dpy, _Xconst XRenderPictFormat *format)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ GlyphSet gsid;
+ xRenderCreateGlyphSetReq *req;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreateGlyphSet, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreateGlyphSet;
+ req->gsid = gsid = XAllocID(dpy);
+ req->format = format->id;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return gsid;
+}
+
+GlyphSet
+XRenderReferenceGlyphSet (Display *dpy, GlyphSet existing)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ GlyphSet gsid;
+ xRenderReferenceGlyphSetReq *req;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderReferenceGlyphSet, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderReferenceGlyphSet;
+ req->gsid = gsid = XAllocID(dpy);
+ req->existing = existing;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return gsid;
+}
+
+void
+XRenderFreeGlyphSet (Display *dpy, GlyphSet glyphset)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderFreeGlyphSetReq *req;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ GetReq(RenderFreeGlyphSet, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderFreeGlyphSet;
+ req->glyphset = glyphset;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderAddGlyphs (Display *dpy,
+ GlyphSet glyphset,
+ _Xconst Glyph *gids,
+ _Xconst XGlyphInfo *glyphs,
+ int nglyphs,
+ _Xconst char *images,
+ int nbyte_images)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderAddGlyphsReq *req;
+ long len;
+
+ if (nbyte_images & 3)
+ nbyte_images += 4 - (nbyte_images & 3);
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ GetReq(RenderAddGlyphs, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderAddGlyphs;
+ req->glyphset = glyphset;
+ req->nglyphs = nglyphs;
+ len = (nglyphs * (SIZEOF (xGlyphInfo) + 4) + nbyte_images) >> 2;
+ SetReqLen(req, len, len);
+ Data32 (dpy, (long *) gids, nglyphs * 4);
+ Data16 (dpy, (short *) glyphs, nglyphs * SIZEOF (xGlyphInfo));
+ Data (dpy, images, nbyte_images);
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderFreeGlyphs (Display *dpy,
+ GlyphSet glyphset,
+ _Xconst Glyph *gids,
+ int nglyphs)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderFreeGlyphsReq *req;
+ long len;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ GetReq(RenderFreeGlyphs, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderFreeGlyphs;
+ req->glyphset = glyphset;
+ len = nglyphs;
+ SetReqLen(req, len, len);
+ len <<= 2;
+ Data32 (dpy, (long *) gids, len);
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderCompositeString8 (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ GlyphSet glyphset,
+ int xSrc,
+ int ySrc,
+ int xDst,
+ int yDst,
+ _Xconst char *string,
+ int nchar)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderCompositeGlyphs8Req *req;
+ long len;
+ xGlyphElt *elt;
+ int nbytes;
+
+ if (!nchar)
+ return;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+ GetReq(RenderCompositeGlyphs8, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCompositeGlyphs8;
+ req->op = op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : None;
+ req->glyphset = glyphset;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+
+ /*
+ * xGlyphElt must be aligned on a 32-bit boundary; this is
+ * easily done by filling no more than 252 glyphs in each
+ * bucket
+ */
+
+#define MAX_8 252
+
+ len = SIZEOF(xGlyphElt) * ((nchar + MAX_8-1) / MAX_8) + nchar;
+
+ req->length += (len + 3)>>2; /* convert to number of 32-bit words */
+
+ /*
+ * If the entire request does not fit into the remaining space in the
+ * buffer, flush the buffer first.
+ */
+
+ if (dpy->bufptr + len > dpy->bufmax)
+ _XFlush (dpy);
+
+ while(nchar > MAX_8)
+ {
+ nbytes = MAX_8 + SIZEOF(xGlyphElt);
+ BufAlloc (xGlyphElt *, elt, nbytes);
+ elt->len = MAX_8;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ xDst = 0;
+ yDst = 0;
+ memcpy ((char *) (elt + 1), string, MAX_8);
+ nchar = nchar - MAX_8;
+ string += MAX_8;
+ }
+
+ if (nchar)
+ {
+ nbytes = (nchar + SIZEOF(xGlyphElt) + 3) & ~3;
+ BufAlloc (xGlyphElt *, elt, nbytes);
+ elt->len = nchar;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ memcpy ((char *) (elt + 1), string, nchar);
+ }
+#undef MAX_8
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+void
+XRenderCompositeString16 (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ GlyphSet glyphset,
+ int xSrc,
+ int ySrc,
+ int xDst,
+ int yDst,
+ _Xconst unsigned short *string,
+ int nchar)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderCompositeGlyphs8Req *req;
+ long len;
+ xGlyphElt *elt;
+ int nbytes;
+
+ if (!nchar)
+ return;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+ GetReq(RenderCompositeGlyphs16, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCompositeGlyphs16;
+ req->op = op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : None;
+ req->glyphset = glyphset;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+
+#define MAX_16 254
+
+ len = SIZEOF(xGlyphElt) * ((nchar + MAX_16-1) / MAX_16) + nchar * 2;
+
+ req->length += (len + 3)>>2; /* convert to number of 32-bit words */
+
+ /*
+ * If the entire request does not fit into the remaining space in the
+ * buffer, flush the buffer first.
+ */
+
+ if (dpy->bufptr + len > dpy->bufmax)
+ _XFlush (dpy);
+
+ while(nchar > MAX_16)
+ {
+ nbytes = MAX_16 * 2 + SIZEOF(xGlyphElt);
+ BufAlloc (xGlyphElt *, elt, nbytes);
+ elt->len = MAX_16;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ xDst = 0;
+ yDst = 0;
+ memcpy ((char *) (elt + 1), (char *) string, MAX_16 * 2);
+ nchar = nchar - MAX_16;
+ string += MAX_16;
+ }
+
+ if (nchar)
+ {
+ nbytes = (nchar * 2 + SIZEOF(xGlyphElt) + 3) & ~3;
+ BufAlloc (xGlyphElt *, elt, nbytes);
+ elt->len = nchar;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ memcpy ((char *) (elt + 1), (char *) string, nchar * 2);
+ }
+#undef MAX_16
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderCompositeString32 (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ GlyphSet glyphset,
+ int xSrc,
+ int ySrc,
+ int xDst,
+ int yDst,
+ _Xconst unsigned int *string,
+ int nchar)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderCompositeGlyphs8Req *req;
+ long len;
+ xGlyphElt *elt;
+ int nbytes;
+
+ if (!nchar)
+ return;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+ GetReq(RenderCompositeGlyphs32, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCompositeGlyphs32;
+ req->op = op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : None;
+ req->glyphset = glyphset;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+
+#define MAX_32 254
+
+ len = SIZEOF(xGlyphElt) * ((nchar + MAX_32-1) / MAX_32) + nchar * 4;
+
+ req->length += (len + 3)>>2; /* convert to number of 32-bit words */
+
+ /*
+ * If the entire request does not fit into the remaining space in the
+ * buffer, flush the buffer first.
+ */
+
+ if (dpy->bufptr + len > dpy->bufmax)
+ _XFlush (dpy);
+
+ while(nchar > MAX_32)
+ {
+ nbytes = MAX_32 * 4 + SIZEOF(xGlyphElt);
+ BufAlloc (xGlyphElt *, elt, nbytes);
+ elt->len = MAX_32;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ xDst = 0;
+ yDst = 0;
+ memcpy ((char *) (elt + 1), (char *) string, MAX_32 * 4);
+ nchar = nchar - MAX_32;
+ string += MAX_32;
+ }
+
+ if (nchar)
+ {
+ nbytes = nchar * 4 + SIZEOF(xGlyphElt);
+ BufAlloc (xGlyphElt *, elt, nbytes);
+ elt->len = nchar;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ memcpy ((char *) (elt + 1), (char *) string, nchar * 4);
+ }
+#undef MAX_32
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderCompositeText8 (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ int xDst,
+ int yDst,
+ _Xconst XGlyphElt8 *elts,
+ int nelt)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderCompositeGlyphs8Req *req;
+ GlyphSet glyphset;
+ long len;
+ long elen;
+ xGlyphElt *elt;
+ int i;
+ _Xconst char *chars;
+ int nchars;
+
+ if (!nelt)
+ return;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+ GetReq(RenderCompositeGlyphs8, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCompositeGlyphs8;
+ req->op = op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : None;
+ req->glyphset = elts[0].glyphset;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+
+ /*
+ * Compute the space necessary
+ */
+ len = 0;
+
+#define MAX_8 252
+
+ glyphset = elts[0].glyphset;
+ for (i = 0; i < nelt; i++)
+ {
+ /*
+ * Check for glyphset change
+ */
+ if (elts[i].glyphset != glyphset)
+ {
+ glyphset = elts[i].glyphset;
+ len += (SIZEOF (xGlyphElt) + 4) >> 2;
+ }
+ nchars = elts[i].nchars;
+ /*
+ * xGlyphElt must be aligned on a 32-bit boundary; this is
+ * easily done by filling no more than 252 glyphs in each
+ * bucket
+ */
+ elen = SIZEOF(xGlyphElt) * ((nchars + MAX_8-1) / MAX_8) + nchars;
+ len += (elen + 3) >> 2;
+ }
+
+ req->length += len;
+
+ /*
+ * Send the glyphs
+ */
+ glyphset = elts[0].glyphset;
+ for (i = 0; i < nelt; i++)
+ {
+ /*
+ * Switch glyphsets
+ */
+ if (elts[i].glyphset != glyphset)
+ {
+ glyphset = elts[i].glyphset;
+ BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt));
+ elt->len = 0xff;
+ elt->deltax = 0;
+ elt->deltay = 0;
+ Data32(dpy, &glyphset, 4);
+ }
+ nchars = elts[i].nchars;
+ xDst = elts[i].xOff;
+ yDst = elts[i].yOff;
+ chars = elts[i].chars;
+ while (nchars)
+ {
+ int this_chars = nchars > MAX_8 ? MAX_8 : nchars;
+
+ BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt))
+ elt->len = this_chars;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ xDst = 0;
+ yDst = 0;
+ Data (dpy, chars, this_chars);
+ nchars -= this_chars;
+ chars += this_chars;
+ }
+ }
+#undef MAX_8
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderCompositeText16 (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ int xDst,
+ int yDst,
+ _Xconst XGlyphElt16 *elts,
+ int nelt)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderCompositeGlyphs16Req *req;
+ GlyphSet glyphset;
+ long len;
+ long elen;
+ xGlyphElt *elt;
+ int i;
+ _Xconst unsigned short *chars;
+ int nchars;
+
+ if (!nelt)
+ return;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+ GetReq(RenderCompositeGlyphs16, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCompositeGlyphs16;
+ req->op = op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : None;
+ req->glyphset = elts[0].glyphset;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+
+ /*
+ * Compute the space necessary
+ */
+ len = 0;
+
+#define MAX_16 254
+
+ glyphset = elts[0].glyphset;
+ for (i = 0; i < nelt; i++)
+ {
+ /*
+ * Check for glyphset change
+ */
+ if (elts[i].glyphset != glyphset)
+ {
+ glyphset = elts[i].glyphset;
+ len += (SIZEOF (xGlyphElt) + 4) >> 2;
+ }
+ nchars = elts[i].nchars;
+ /*
+ * xGlyphElt must be aligned on a 32-bit boundary; this is
+ * easily done by filling no more than 254 glyphs in each
+ * bucket
+ */
+ elen = SIZEOF(xGlyphElt) * ((nchars + MAX_16-1) / MAX_16) + nchars * 2;
+ len += (elen + 3) >> 2;
+ }
+
+ req->length += len;
+
+ glyphset = elts[0].glyphset;
+ for (i = 0; i < nelt; i++)
+ {
+ /*
+ * Switch glyphsets
+ */
+ if (elts[i].glyphset != glyphset)
+ {
+ glyphset = elts[i].glyphset;
+ BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt));
+ elt->len = 0xff;
+ elt->deltax = 0;
+ elt->deltay = 0;
+ Data32(dpy, &glyphset, 4);
+ }
+ nchars = elts[i].nchars;
+ xDst = elts[i].xOff;
+ yDst = elts[i].yOff;
+ chars = elts[i].chars;
+ while (nchars)
+ {
+ int this_chars = nchars > MAX_16 ? MAX_16 : nchars;
+ int this_bytes = this_chars * 2;
+
+ BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt))
+ elt->len = this_chars;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ xDst = 0;
+ yDst = 0;
+ Data16 (dpy, chars, this_bytes);
+ nchars -= this_chars;
+ chars += this_chars;
+ }
+ }
+#undef MAX_16
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderCompositeText32 (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ int xDst,
+ int yDst,
+ _Xconst XGlyphElt32 *elts,
+ int nelt)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderCompositeGlyphs32Req *req;
+ GlyphSet glyphset;
+ long len;
+ long elen;
+ xGlyphElt *elt;
+ int i;
+ _Xconst unsigned int *chars;
+ int nchars;
+
+ if (!nelt)
+ return;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+
+
+ GetReq(RenderCompositeGlyphs32, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCompositeGlyphs32;
+ req->op = op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : None;
+ req->glyphset = elts[0].glyphset;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+
+ /*
+ * Compute the space necessary
+ */
+ len = 0;
+
+#define MAX_32 254
+
+ glyphset = elts[0].glyphset;
+ for (i = 0; i < nelt; i++)
+ {
+ /*
+ * Check for glyphset change
+ */
+ if (elts[i].glyphset != glyphset)
+ {
+ glyphset = elts[i].glyphset;
+ len += (SIZEOF (xGlyphElt) + 4) >> 2;
+ }
+ nchars = elts[i].nchars;
+ elen = SIZEOF(xGlyphElt) * ((nchars + MAX_32) / MAX_32) + nchars *4;
+ len += (elen + 3) >> 2;
+ }
+
+ req->length += len;
+
+ glyphset = elts[0].glyphset;
+ for (i = 0; i < nelt; i++)
+ {
+ /*
+ * Switch glyphsets
+ */
+ if (elts[i].glyphset != glyphset)
+ {
+ glyphset = elts[i].glyphset;
+ BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt));
+ elt->len = 0xff;
+ elt->deltax = 0;
+ elt->deltay = 0;
+ Data32(dpy, &glyphset, 4);
+ }
+ nchars = elts[i].nchars;
+ xDst = elts[i].xOff;
+ yDst = elts[i].yOff;
+ chars = elts[i].chars;
+ while (nchars)
+ {
+ int this_chars = nchars > MAX_32 ? MAX_32 : nchars;
+ int this_bytes = this_chars * 4;
+ BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt))
+ elt->len = this_chars;
+ elt->deltax = xDst;
+ elt->deltay = yDst;
+ xDst = 0;
+ yDst = 0;
+ DataInt32 (dpy, chars, this_bytes);
+ nchars -= this_chars;
+ chars += this_chars;
+ }
+ }
+#undef MAX_32
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
diff --git a/libXrender/src/Makefile.am b/libXrender/src/Makefile.am
new file mode 100644
index 000000000..7474b43a8
--- /dev/null
+++ b/libXrender/src/Makefile.am
@@ -0,0 +1,27 @@
+AM_CFLAGS = $(CWARNFLAGS) $(RENDER_CFLAGS) $(MALLOC_ZERO_CFLAGS)
+AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/include/X11/extensions
+
+lib_LTLIBRARIES = libXrender.la
+
+libXrender_la_SOURCES = AddTrap.c \
+ Color.c \
+ Composite.c \
+ Cursor.c \
+ FillRect.c \
+ FillRects.c \
+ Filter.c \
+ Glyph.c \
+ Picture.c \
+ Poly.c \
+ Trap.c \
+ Tri.c \
+ Xrender.c \
+ Xrenderint.h
+
+libXrender_la_LIBADD = $(RENDER_LIBS)
+
+# -version-number requires libtool >= 1.5
+libXrender_la_LDFLAGS = -version-number 1:3:0 -no-undefined
+
+libXrenderincludedir = $(includedir)/X11/extensions
+libXrenderinclude_HEADERS = $(top_srcdir)/include/X11/extensions/Xrender.h
diff --git a/libXrender/src/Picture.c b/libXrender/src/Picture.c
new file mode 100644
index 000000000..509a83580
--- /dev/null
+++ b/libXrender/src/Picture.c
@@ -0,0 +1,372 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+#include <X11/Xregion.h>
+
+static void
+_XRenderProcessPictureAttributes (Display *dpy,
+ xRenderChangePictureReq *req,
+ unsigned long valuemask,
+ _Xconst XRenderPictureAttributes *attributes)
+{
+ unsigned long values[32];
+ register unsigned long *value = values;
+ unsigned int nvalues;
+
+ if (valuemask & CPRepeat)
+ *value++ = attributes->repeat;
+ if (valuemask & CPAlphaMap)
+ *value++ = attributes->alpha_map;
+ if (valuemask & CPAlphaXOrigin)
+ *value++ = attributes->alpha_x_origin;
+ if (valuemask & CPAlphaYOrigin)
+ *value++ = attributes->alpha_y_origin;
+ if (valuemask & CPClipXOrigin)
+ *value++ = attributes->clip_x_origin;
+ if (valuemask & CPClipYOrigin)
+ *value++ = attributes->clip_y_origin;
+ if (valuemask & CPClipMask)
+ *value++ = attributes->clip_mask;
+ if (valuemask & CPGraphicsExposure)
+ *value++ = attributes->graphics_exposures;
+ if (valuemask & CPSubwindowMode)
+ *value++ = attributes->subwindow_mode;
+ if (valuemask & CPPolyEdge)
+ *value++ = attributes->poly_edge;
+ if (valuemask & CPPolyMode)
+ *value++ = attributes->poly_mode;
+ if (valuemask & CPDither)
+ *value++ = attributes->dither;
+ if (valuemask & CPComponentAlpha)
+ *value++ = attributes->component_alpha;
+
+ req->length += (nvalues = value - values);
+
+ nvalues <<= 2; /* watch out for macros... */
+ Data32 (dpy, (long *) values, (long)nvalues);
+}
+
+Picture
+XRenderCreatePicture (Display *dpy,
+ Drawable drawable,
+ _Xconst XRenderPictFormat *format,
+ unsigned long valuemask,
+ _Xconst XRenderPictureAttributes *attributes)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ Picture pid;
+ xRenderCreatePictureReq *req;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreatePicture, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreatePicture;
+ req->pid = pid = XAllocID(dpy);
+ req->drawable = drawable;
+ req->format = format->id;
+ if ((req->mask = valuemask))
+ _XRenderProcessPictureAttributes (dpy,
+ (xRenderChangePictureReq *) req,
+ valuemask,
+ attributes);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return pid;
+}
+
+void
+XRenderChangePicture (Display *dpy,
+ Picture picture,
+ unsigned long valuemask,
+ _Xconst XRenderPictureAttributes *attributes)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderChangePictureReq *req;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ GetReq(RenderChangePicture, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderChangePicture;
+ req->picture = picture;
+ req->mask = valuemask;
+ _XRenderProcessPictureAttributes (dpy,
+ req,
+ valuemask,
+ attributes);
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+static void
+_XRenderSetPictureClipRectangles (Display *dpy,
+ XRenderExtDisplayInfo *info,
+ Picture picture,
+ int xOrigin,
+ int yOrigin,
+ _Xconst XRectangle *rects,
+ int n)
+{
+ xRenderSetPictureClipRectanglesReq *req;
+ long len;
+
+ GetReq (RenderSetPictureClipRectangles, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderSetPictureClipRectangles;
+ req->picture = picture;
+ req->xOrigin = xOrigin;
+ req->yOrigin = yOrigin;
+ len = ((long) n) << 1;
+ SetReqLen (req, len, 1);
+ len <<= 2;
+ Data16 (dpy, (short *) rects, len);
+}
+
+void
+XRenderSetPictureClipRectangles (Display *dpy,
+ Picture picture,
+ int xOrigin,
+ int yOrigin,
+ _Xconst XRectangle *rects,
+ int n)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ _XRenderSetPictureClipRectangles (dpy, info, picture,
+ xOrigin, yOrigin, rects, n);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+}
+
+void
+XRenderSetPictureClipRegion (Display *dpy,
+ Picture picture,
+ Region r)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ int i;
+ XRectangle *xr, *pr;
+ BOX *pb;
+ unsigned long total;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ total = r->numRects * sizeof (XRectangle);
+ if ((xr = (XRectangle *) _XAllocTemp(dpy, total))) {
+ for (pr = xr, pb = r->rects, i = r->numRects; --i >= 0; pr++, pb++) {
+ pr->x = pb->x1;
+ pr->y = pb->y1;
+ pr->width = pb->x2 - pb->x1;
+ pr->height = pb->y2 - pb->y1;
+ }
+ }
+ if (xr || !r->numRects)
+ _XRenderSetPictureClipRectangles (dpy, info, picture, 0, 0,
+ xr, r->numRects);
+ if (xr)
+ _XFreeTemp(dpy, (char *)xr, total);
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderSetPictureTransform (Display *dpy,
+ Picture picture,
+ XTransform *transform)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderSetPictureTransformReq *req;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay (dpy);
+ GetReq(RenderSetPictureTransform, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderSetPictureTransform;
+ req->picture = picture;
+ req->transform.matrix11 = transform->matrix[0][0];
+ req->transform.matrix12 = transform->matrix[0][1];
+ req->transform.matrix13 = transform->matrix[0][2];
+ req->transform.matrix21 = transform->matrix[1][0];
+ req->transform.matrix22 = transform->matrix[1][1];
+ req->transform.matrix23 = transform->matrix[1][2];
+ req->transform.matrix31 = transform->matrix[2][0];
+ req->transform.matrix32 = transform->matrix[2][1];
+ req->transform.matrix33 = transform->matrix[2][2];
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+}
+
+void
+XRenderFreePicture (Display *dpy,
+ Picture picture)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderFreePictureReq *req;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ GetReq(RenderFreePicture, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderFreePicture;
+ req->picture = picture;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+
+Picture XRenderCreateSolidFill(Display *dpy,
+ const XRenderColor *color)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ Picture pid;
+ xRenderCreateSolidFillReq *req;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreateSolidFill, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreateSolidFill;
+
+ req->pid = pid = XAllocID(dpy);
+ req->color.red = color->red;
+ req->color.green = color->green;
+ req->color.blue = color->blue;
+ req->color.alpha = color->alpha;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return pid;
+}
+
+
+Picture XRenderCreateLinearGradient(Display *dpy,
+ const XLinearGradient *gradient,
+ const XFixed *stops,
+ const XRenderColor *colors,
+ int nStops)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ Picture pid;
+ xRenderCreateLinearGradientReq *req;
+ long len;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreateLinearGradient, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreateLinearGradient;
+
+ req->pid = pid = XAllocID(dpy);
+ req->p1.x = gradient->p1.x;
+ req->p1.y = gradient->p1.y;
+ req->p2.x = gradient->p2.x;
+ req->p2.y = gradient->p2.y;
+
+ req->nStops = nStops;
+ len = (long) nStops * 3;
+ SetReqLen (req, len, 6);
+ DataInt32(dpy, stops, nStops * 4);
+ Data16(dpy, colors, nStops * 8);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return pid;
+}
+
+Picture XRenderCreateRadialGradient(Display *dpy,
+ const XRadialGradient *gradient,
+ const XFixed *stops,
+ const XRenderColor *colors,
+ int nStops)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ Picture pid;
+ xRenderCreateRadialGradientReq *req;
+ long len;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreateRadialGradient, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreateRadialGradient;
+
+ req->pid = pid = XAllocID(dpy);
+ req->inner.x = gradient->inner.x;
+ req->inner.y = gradient->inner.y;
+ req->outer.x = gradient->outer.x;
+ req->outer.y = gradient->outer.y;
+ req->inner_radius = gradient->inner.radius;
+ req->outer_radius = gradient->outer.radius;
+
+ req->nStops = nStops;
+ len = (long) nStops * 3;
+ SetReqLen (req, len, 6);
+ DataInt32(dpy, stops, nStops * 4);
+ Data16(dpy, colors, nStops * 8);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return pid;
+}
+
+Picture XRenderCreateConicalGradient(Display *dpy,
+ const XConicalGradient *gradient,
+ const XFixed *stops,
+ const XRenderColor *colors,
+ int nStops)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ Picture pid;
+ xRenderCreateConicalGradientReq *req;
+ long len;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay(dpy);
+ GetReq(RenderCreateConicalGradient, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderCreateConicalGradient;
+
+ req->pid = pid = XAllocID(dpy);
+ req->center.x = gradient->center.x;
+ req->center.y = gradient->center.y;
+ req->angle = gradient->angle;
+
+ req->nStops = nStops;
+ len = (long) nStops * 3;
+ SetReqLen (req, len, 6);
+ DataInt32(dpy, stops, nStops * 4);
+ Data16(dpy, colors, nStops * 8);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return pid;
+}
diff --git a/libXrender/src/Poly.c b/libXrender/src/Poly.c
new file mode 100644
index 000000000..16599b22e
--- /dev/null
+++ b/libXrender/src/Poly.c
@@ -0,0 +1,302 @@
+/*
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+typedef struct _Edge Edge;
+
+struct _Edge {
+ XLineFixed edge;
+ XFixed current_x;
+ Bool clockWise;
+ Edge *next, *prev;
+};
+
+static int
+CompareEdge (const void *o1, const void *o2)
+{
+ const Edge *e1 = o1, *e2 = o2;
+
+ return e1->edge.p1.y - e2->edge.p1.y;
+}
+
+static XFixed
+XRenderComputeX (XLineFixed *line, XFixed y)
+{
+ XFixed dx = line->p2.x - line->p1.x;
+ double ex = (double) (y - line->p1.y) * (double) dx;
+ XFixed dy = line->p2.y - line->p1.y;
+
+ return (XFixed) line->p1.x + (XFixed) (ex / dy);
+}
+
+static double
+XRenderComputeInverseSlope (XLineFixed *l)
+{
+ return (XFixedToDouble (l->p2.x - l->p1.x) /
+ XFixedToDouble (l->p2.y - l->p1.y));
+}
+
+static double
+XRenderComputeXIntercept (XLineFixed *l, double inverse_slope)
+{
+ return XFixedToDouble (l->p1.x) - inverse_slope * XFixedToDouble (l->p1.y);
+}
+
+static XFixed
+XRenderComputeIntersect (XLineFixed *l1, XLineFixed *l2)
+{
+ /*
+ * x = m1y + b1
+ * x = m2y + b2
+ * m1y + b1 = m2y + b2
+ * y * (m1 - m2) = b2 - b1
+ * y = (b2 - b1) / (m1 - m2)
+ */
+ double m1 = XRenderComputeInverseSlope (l1);
+ double b1 = XRenderComputeXIntercept (l1, m1);
+ double m2 = XRenderComputeInverseSlope (l2);
+ double b2 = XRenderComputeXIntercept (l2, m2);
+
+ return XDoubleToFixed ((b2 - b1) / (m1 - m2));
+}
+
+static int
+XRenderComputeTrapezoids (Edge *edges,
+ int nedges,
+ int winding,
+ XTrapezoid *traps)
+{
+ int ntraps = 0;
+ int inactive;
+ Edge *active;
+ Edge *e, *en, *next;
+ XFixed y, next_y, intersect;
+
+ qsort (edges, nedges, sizeof (Edge), CompareEdge);
+
+ y = edges[0].edge.p1.y;
+ active = NULL;
+ inactive = 0;
+ while (active || inactive < nedges)
+ {
+ /* insert new active edges into list */
+ while (inactive < nedges)
+ {
+ e = &edges[inactive];
+ if (e->edge.p1.y > y)
+ break;
+ /* move this edge into the active list */
+ inactive++;
+ e->next = active;
+ e->prev = NULL;
+ if (active)
+ active->prev = e;
+ active = e;
+ }
+ /* compute x coordinates along this group */
+ for (e = active; e; e = e->next)
+ e->current_x = XRenderComputeX (&e->edge, y);
+
+ /* sort active list */
+ for (e = active; e; e = next)
+ {
+ next = e->next;
+ /*
+ * Find one later in the list that belongs before the
+ * current one
+ */
+ for (en = next; en; en = en->next)
+ {
+ if (en->current_x < e->current_x ||
+ (en->current_x == e->current_x &&
+ en->edge.p2.x < e->edge.p2.x))
+ {
+ /*
+ * insert en before e
+ *
+ * extract en
+ */
+ en->prev->next = en->next;
+ if (en->next)
+ en->next->prev = en->prev;
+ /*
+ * insert en
+ */
+ if (e->prev)
+ e->prev->next = en;
+ else
+ active = en;
+ en->prev = e->prev;
+ e->prev = en;
+ en->next = e;
+ /*
+ * start over at en
+ */
+ next = en;
+ break;
+ }
+ }
+ }
+#if 0
+ printf ("y: %6.3g:", y / 65536.0);
+ for (e = active; e; e = e->next)
+ {
+ printf (" %6.3g", e->current_x / 65536.0);
+ }
+ printf ("\n");
+#endif
+ /* find next inflection point */
+ next_y = active->edge.p2.y;
+ for (e = active; e; e = en)
+ {
+ if (e->edge.p2.y < next_y)
+ next_y = e->edge.p2.y;
+ en = e->next;
+ /* check intersect */
+ if (en && e->edge.p2.x > en->edge.p2.x)
+ {
+ intersect = XRenderComputeIntersect (&e->edge, &e->next->edge);
+ /* make sure this point is below the actual intersection */
+ intersect = intersect + 1;
+ if (intersect < next_y)
+ next_y = intersect;
+ }
+ }
+ /* check next inactive point */
+ if (inactive < nedges && edges[inactive].edge.p1.y < next_y)
+ next_y = edges[inactive].edge.p1.y;
+
+ /* walk the list generating trapezoids */
+ for (e = active; e && (en = e->next); e = en->next)
+ {
+ traps->top = y;
+ traps->bottom = next_y;
+ traps->left = e->edge;
+ traps->right = en->edge;
+ traps++;
+ ntraps++;
+ }
+
+ y = next_y;
+
+ /* delete inactive edges from list */
+ for (e = active; e; e = next)
+ {
+ next = e->next;
+ if (e->edge.p2.y <= y)
+ {
+ if (e->prev)
+ e->prev->next = e->next;
+ else
+ active = e->next;
+ if (e->next)
+ e->next->prev = e->prev;
+ }
+ }
+ }
+ return ntraps;
+}
+
+void
+XRenderCompositeDoublePoly (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ int xDst,
+ int yDst,
+ _Xconst XPointDouble *fpoints,
+ int npoints,
+ int winding)
+{
+ Edge *edges;
+ XTrapezoid *traps;
+ int i, nedges, ntraps;
+ XFixed x, y, prevx = 0, prevy = 0, firstx = 0, firsty = 0;
+ XFixed top = 0, bottom = 0; /* GCCism */
+
+ edges = (Edge *) Xmalloc (npoints * sizeof (Edge) +
+ (npoints * npoints * sizeof (XTrapezoid)));
+ if (!edges)
+ return;
+ traps = (XTrapezoid *) (edges + npoints);
+ nedges = 0;
+ for (i = 0; i <= npoints; i++)
+ {
+ if (i == npoints)
+ {
+ x = firstx;
+ y = firsty;
+ }
+ else
+ {
+ x = XDoubleToFixed (fpoints[i].x);
+ y = XDoubleToFixed (fpoints[i].y);
+ }
+ if (i)
+ {
+ if (y < top)
+ top = y;
+ else if (y > bottom)
+ bottom = y;
+ if (prevy < y)
+ {
+ edges[nedges].edge.p1.x = prevx;
+ edges[nedges].edge.p1.y = prevy;
+ edges[nedges].edge.p2.x = x;
+ edges[nedges].edge.p2.y = y;
+ edges[nedges].clockWise = True;
+ nedges++;
+ }
+ else if (prevy > y)
+ {
+ edges[nedges].edge.p1.x = x;
+ edges[nedges].edge.p1.y = y;
+ edges[nedges].edge.p2.x = prevx;
+ edges[nedges].edge.p2.y = prevy;
+ edges[nedges].clockWise = False;
+ nedges++;
+ }
+ /* drop horizontal edges */
+ }
+ else
+ {
+ top = y;
+ bottom = y;
+ firstx = x;
+ firsty = y;
+ }
+ prevx = x;
+ prevy = y;
+ }
+ ntraps = XRenderComputeTrapezoids (edges, nedges, winding, traps);
+ /* XXX adjust xSrc/xDst */
+ XRenderCompositeTrapezoids (dpy, op, src, dst, maskFormat, xSrc, ySrc, traps, ntraps);
+ Xfree (edges);
+}
diff --git a/libXrender/src/Trap.c b/libXrender/src/Trap.c
new file mode 100644
index 000000000..919aaef53
--- /dev/null
+++ b/libXrender/src/Trap.c
@@ -0,0 +1,74 @@
+/*
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+void
+XRenderCompositeTrapezoids (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ _Xconst XTrapezoid *traps,
+ int ntrap)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderTrapezoidsReq *req;
+ int n;
+ long len;
+ unsigned long max_req = dpy->bigreq_size ? dpy->bigreq_size : dpy->max_request_size;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ while (ntrap)
+ {
+ GetReq(RenderTrapezoids, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderTrapezoids;
+ req->op = (CARD8) op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : 0;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+ n = ntrap;
+ len = ((long) n) * (SIZEOF (xTrapezoid) >> 2);
+ if (len > (max_req - req->length)) {
+ n = (max_req - req->length) / (SIZEOF (xTrapezoid) >> 2);
+ len = ((long)n) * (SIZEOF (xTrapezoid) >> 2);
+ }
+ SetReqLen (req, len, len);
+ len <<= 2;
+ DataInt32 (dpy, (int *) traps, len);
+ ntrap -= n;
+ traps += n;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
diff --git a/libXrender/src/Tri.c b/libXrender/src/Tri.c
new file mode 100644
index 000000000..155f2ce14
--- /dev/null
+++ b/libXrender/src/Tri.c
@@ -0,0 +1,169 @@
+/*
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+void
+XRenderCompositeTriangles (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ _Xconst XTriangle *triangles,
+ int ntriangle)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderTrianglesReq *req;
+ int n;
+ long len;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ while (ntriangle)
+ {
+ GetReq(RenderTriangles, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderTriangles;
+ req->op = (CARD8) op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : 0;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+ n = ntriangle;
+ len = ((long) n) * (SIZEOF (xTriangle) >> 2);
+ if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) {
+ n = (dpy->max_request_size - req->length) / (SIZEOF (xTriangle) >> 2);
+ len = ((long)n) * (SIZEOF (xTriangle) >> 2);
+ }
+ SetReqLen (req, len, len);
+ len <<= 2;
+ DataInt32 (dpy, (int *) triangles, len);
+ ntriangle -= n;
+ triangles += n;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderCompositeTriStrip (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ _Xconst XPointFixed *points,
+ int npoint)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderTriStripReq *req;
+ int n;
+ long len;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ while (npoint > 2)
+ {
+ GetReq(RenderTriStrip, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderTriStrip;
+ req->op = (CARD8) op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : 0;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+ n = npoint;
+ len = ((long) n) * (SIZEOF (xPointFixed) >> 2);
+ if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) {
+ n = (dpy->max_request_size - req->length) / (SIZEOF (xPointFixed) >> 2);
+ len = ((long)n) * (SIZEOF (xPointFixed) >> 2);
+ }
+ SetReqLen (req, len, len);
+ len <<= 2;
+ DataInt32 (dpy, (int *) points, len);
+ npoint -= (n - 2);
+ points += (n - 2);
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void
+XRenderCompositeTriFan (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ _Xconst XRenderPictFormat *maskFormat,
+ int xSrc,
+ int ySrc,
+ _Xconst XPointFixed *points,
+ int npoint)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ _Xconst XPointFixed *first = points;
+ xPointFixed *p;
+ xRenderTriFanReq *req;
+ int n;
+ long len;
+
+ RenderSimpleCheckExtension (dpy, info);
+ LockDisplay(dpy);
+ points++;
+ npoint--;
+ while (npoint > 1)
+ {
+ GetReqExtra(RenderTriFan, SIZEOF (xPointFixed), req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderTriFan;
+ req->op = (CARD8) op;
+ req->src = src;
+ req->dst = dst;
+ req->maskFormat = maskFormat ? maskFormat->id : 0;
+ req->xSrc = xSrc;
+ req->ySrc = ySrc;
+ p = (xPointFixed *) (req + 1);
+ p->x = first->x;
+ p->y = first->y;
+ n = npoint;
+ len = ((long) n) * (SIZEOF (xPointFixed) >> 2);
+ if (!dpy->bigreq_size && len > (dpy->max_request_size - req->length)) {
+ n = (dpy->max_request_size - req->length) / (SIZEOF (xPointFixed) >> 2);
+ len = ((long)n) * (SIZEOF (xPointFixed) >> 2);
+ }
+ SetReqLen (req, len, len);
+ len <<= 2;
+ DataInt32 (dpy, (int *) points, len);
+ npoint -= (n - 1);
+ points += (n - 1);
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
diff --git a/libXrender/src/Xrender.c b/libXrender/src/Xrender.c
new file mode 100644
index 000000000..c7630766f
--- /dev/null
+++ b/libXrender/src/Xrender.c
@@ -0,0 +1,889 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xrenderint.h"
+
+XRenderExtInfo XRenderExtensionInfo;
+char XRenderExtensionName[] = RENDER_NAME;
+
+static int XRenderCloseDisplay (Display *dpy, XExtCodes *codes);
+
+/*
+ * XRenderExtFindDisplay - look for a display in this extension; keeps a
+ * cache of the most-recently used for efficiency. (Replaces
+ * XextFindDisplay.)
+ */
+static XRenderExtDisplayInfo *
+XRenderExtFindDisplay (XRenderExtInfo *extinfo,
+ Display *dpy)
+{
+ XRenderExtDisplayInfo *dpyinfo;
+
+ /*
+ * see if this was the most recently accessed display
+ */
+ if ((dpyinfo = extinfo->cur) && dpyinfo->display == dpy)
+ return dpyinfo;
+
+ /*
+ * look for display in list
+ */
+ _XLockMutex(_Xglobal_lock);
+ for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) {
+ if (dpyinfo->display == dpy) {
+ extinfo->cur = dpyinfo; /* cache most recently used */
+ _XUnlockMutex(_Xglobal_lock);
+ return dpyinfo;
+ }
+ }
+ _XUnlockMutex(_Xglobal_lock);
+
+ return NULL;
+}
+
+/*
+ * If the server is missing support for any of the required depths on
+ * any screen, tell the application that Render is not present.
+ */
+
+#define DEPTH_MASK(d) (1 << ((d) - 1))
+
+/*
+ * Render requires support for depth 1, 4, 8, 24 and 32 pixmaps
+ */
+
+#define REQUIRED_DEPTHS (DEPTH_MASK(1) | \
+ DEPTH_MASK(4) | \
+ DEPTH_MASK(8) | \
+ DEPTH_MASK(24) | \
+ DEPTH_MASK(32))
+
+typedef struct _DepthCheckRec {
+ struct _DepthCheckRec *next;
+ Display *dpy;
+ CARD32 missing;
+ unsigned long serial;
+} DepthCheckRec, *DepthCheckPtr;
+
+static DepthCheckPtr depthChecks;
+
+static int
+XRenderDepthCheckErrorHandler (Display *dpy, XErrorEvent *evt)
+{
+ if (evt->request_code == X_CreatePixmap && evt->error_code == BadValue)
+ {
+ DepthCheckPtr d;
+ _XLockMutex(_Xglobal_lock);
+ for (d = depthChecks; d; d = d->next)
+ if (d->dpy == dpy)
+ {
+ if ((long) (evt->serial - d->serial) >= 0)
+ d->missing |= DEPTH_MASK(evt->resourceid);
+ break;
+ }
+ _XUnlockMutex (_Xglobal_lock);
+ }
+ return 0;
+}
+
+static Bool
+XRenderHasDepths (Display *dpy)
+{
+ int s;
+
+ for (s = 0; s < ScreenCount (dpy); s++)
+ {
+ CARD32 depths = 0;
+ CARD32 missing;
+ Screen *scr = ScreenOfDisplay (dpy, s);
+ int d;
+
+ for (d = 0; d < scr->ndepths; d++)
+ depths |= DEPTH_MASK(scr->depths[d].depth);
+ missing = ~depths & REQUIRED_DEPTHS;
+ if (missing)
+ {
+ DepthCheckRec dc, **dp;
+ XErrorHandler previousHandler;
+
+ /*
+ * Ok, this is ugly. It should be sufficient at this
+ * point to just return False, but Xinerama is broken at
+ * this point and only advertises depths which have an
+ * associated visual. Of course, the other depths still
+ * work, but the only way to find out is to try them.
+ */
+ dc.dpy = dpy;
+ dc.missing = 0;
+ dc.serial = XNextRequest (dpy);
+ _XLockMutex(_Xglobal_lock);
+ dc.next = depthChecks;
+ depthChecks = &dc;
+ _XUnlockMutex (_Xglobal_lock);
+ /*
+ * I suspect this is not really thread safe, but Xlib doesn't
+ * provide a lot of options here
+ */
+ previousHandler = XSetErrorHandler (XRenderDepthCheckErrorHandler);
+ /*
+ * Try each missing depth and see if pixmap creation succeeds
+ */
+ for (d = 1; d <= 32; d++)
+ /* don't check depth 1 == Xcursor recurses... */
+ if ((missing & DEPTH_MASK(d)) && d != 1)
+ {
+ Pixmap p;
+ p = XCreatePixmap (dpy, RootWindow (dpy, s), 1, 1, d);
+ XFreePixmap (dpy, p);
+ }
+ XSync (dpy, False);
+ XSetErrorHandler (previousHandler);
+ /*
+ * Unhook from the list of depth check records
+ */
+ _XLockMutex(_Xglobal_lock);
+ for (dp = &depthChecks; *dp; dp = &(*dp)->next)
+ {
+ if (*dp == &dc)
+ {
+ *dp = dc.next;
+ break;
+ }
+ }
+ _XUnlockMutex (_Xglobal_lock);
+ if (dc.missing)
+ return False;
+ }
+ }
+ return True;
+}
+
+/*
+ * XRenderExtAddDisplay - add a display to this extension. (Replaces
+ * XextAddDisplay)
+ */
+static XRenderExtDisplayInfo *
+XRenderExtAddDisplay (XRenderExtInfo *extinfo,
+ Display *dpy,
+ char *ext_name)
+{
+ XRenderExtDisplayInfo *dpyinfo;
+
+ dpyinfo = (XRenderExtDisplayInfo *) Xmalloc (sizeof (XRenderExtDisplayInfo));
+ if (!dpyinfo) return NULL;
+ dpyinfo->display = dpy;
+ dpyinfo->info = NULL;
+
+ if (XRenderHasDepths (dpy))
+ dpyinfo->codes = XInitExtension (dpy, ext_name);
+ else
+ dpyinfo->codes = NULL;
+
+ /*
+ * if the server has the extension, then we can initialize the
+ * appropriate function vectors
+ */
+ if (dpyinfo->codes) {
+ XESetCloseDisplay (dpy, dpyinfo->codes->extension,
+ XRenderCloseDisplay);
+ } else {
+ /* The server doesn't have this extension.
+ * Use a private Xlib-internal extension to hang the close_display
+ * hook on so that the "cache" (extinfo->cur) is properly cleaned.
+ * (XBUG 7955)
+ */
+ XExtCodes *codes = XAddExtension(dpy);
+ if (!codes) {
+ XFree(dpyinfo);
+ return NULL;
+ }
+ XESetCloseDisplay (dpy, codes->extension, XRenderCloseDisplay);
+ }
+
+ /*
+ * now, chain it onto the list
+ */
+ _XLockMutex(_Xglobal_lock);
+ dpyinfo->next = extinfo->head;
+ extinfo->head = dpyinfo;
+ extinfo->cur = dpyinfo;
+ extinfo->ndisplays++;
+ _XUnlockMutex(_Xglobal_lock);
+ return dpyinfo;
+}
+
+
+/*
+ * XRenderExtRemoveDisplay - remove the indicated display from the
+ * extension object. (Replaces XextRemoveDisplay.)
+ */
+static int
+XRenderExtRemoveDisplay (XRenderExtInfo *extinfo, Display *dpy)
+{
+ XRenderExtDisplayInfo *dpyinfo, *prev;
+
+ /*
+ * locate this display and its back link so that it can be removed
+ */
+ _XLockMutex(_Xglobal_lock);
+ prev = NULL;
+ for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) {
+ if (dpyinfo->display == dpy) break;
+ prev = dpyinfo;
+ }
+ if (!dpyinfo) {
+ _XUnlockMutex(_Xglobal_lock);
+ return 0; /* hmm, actually an error */
+ }
+
+ /*
+ * remove the display from the list; handles going to zero
+ */
+ if (prev)
+ prev->next = dpyinfo->next;
+ else
+ extinfo->head = dpyinfo->next;
+
+ extinfo->ndisplays--;
+ if (dpyinfo == extinfo->cur) extinfo->cur = NULL; /* flush cache */
+ _XUnlockMutex(_Xglobal_lock);
+
+ Xfree ((char *) dpyinfo);
+ return 1;
+}
+
+
+
+XRenderExtDisplayInfo *
+XRenderFindDisplay (Display *dpy)
+{
+ XRenderExtDisplayInfo *dpyinfo;
+
+ dpyinfo = XRenderExtFindDisplay (&XRenderExtensionInfo, dpy);
+ if (!dpyinfo)
+ dpyinfo = XRenderExtAddDisplay (&XRenderExtensionInfo, dpy,
+ XRenderExtensionName);
+ return dpyinfo;
+}
+
+static int
+XRenderCloseDisplay (Display *dpy, XExtCodes *codes)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ if (info && info->info) XFree (info->info);
+
+ return XRenderExtRemoveDisplay (&XRenderExtensionInfo, dpy);
+}
+
+/****************************************************************************
+ * *
+ * Render public interfaces *
+ * *
+ ****************************************************************************/
+
+Bool XRenderQueryExtension (Display *dpy, int *event_basep, int *error_basep)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+
+ if (RenderHasExtension(info)) {
+ *event_basep = info->codes->first_event;
+ *error_basep = info->codes->first_error;
+ return True;
+ } else {
+ return False;
+ }
+}
+
+
+Status XRenderQueryVersion (Display *dpy,
+ int *major_versionp,
+ int *minor_versionp)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ XRenderInfo *xri;
+
+ if (!RenderHasExtension (info))
+ return 0;
+
+ if (!XRenderQueryFormats (dpy))
+ return 0;
+
+ xri = info->info;
+ *major_versionp = xri->major_version;
+ *minor_versionp = xri->minor_version;
+ return 1;
+}
+
+static XRenderPictFormat *
+_XRenderFindFormat (XRenderInfo *xri, PictFormat format)
+{
+ int nf;
+
+ for (nf = 0; nf < xri->nformat; nf++)
+ if (xri->format[nf].id == format)
+ return &xri->format[nf];
+ return NULL;
+}
+
+static Visual *
+_XRenderFindVisual (Display *dpy, VisualID vid)
+{
+ return _XVIDtoVisual (dpy, vid);
+}
+
+typedef struct _renderVersionState {
+ unsigned long version_seq;
+ Bool error;
+ int major_version;
+ int minor_version;
+
+} _XrenderVersionState;
+
+static Bool
+_XRenderVersionHandler (Display *dpy,
+ xReply *rep,
+ char *buf,
+ int len,
+ XPointer data)
+{
+ xRenderQueryVersionReply replbuf;
+ xRenderQueryVersionReply *repl;
+ _XrenderVersionState *state = (_XrenderVersionState *) data;
+
+ if (dpy->last_request_read != state->version_seq)
+ return False;
+ if (rep->generic.type == X_Error)
+ {
+ state->error = True;
+ return False;
+ }
+ repl = (xRenderQueryVersionReply *)
+ _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len,
+ (SIZEOF(xRenderQueryVersionReply) - SIZEOF(xReply)) >> 2,
+ True);
+ state->major_version = repl->majorVersion;
+ state->minor_version = repl->minorVersion;
+ return True;
+}
+
+Status
+XRenderQueryFormats (Display *dpy)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ _XAsyncHandler async;
+ _XrenderVersionState async_state;
+ xRenderQueryVersionReq *vreq;
+ xRenderQueryPictFormatsReply rep;
+ xRenderQueryPictFormatsReq *req;
+ XRenderInfo *xri;
+ XRenderPictFormat *format;
+ XRenderScreen *screen;
+ XRenderDepth *depth;
+ XRenderVisual *visual;
+ xPictFormInfo *xFormat;
+ xPictScreen *xScreen;
+ xPictDepth *xDepth;
+ xPictVisual *xVisual;
+ CARD32 *xSubpixel;
+ void *xData;
+ int nf, ns, nd, nv;
+ int rlength;
+ int nbytes;
+
+ RenderCheckExtension (dpy, info, 0);
+ LockDisplay (dpy);
+ if (info->info)
+ {
+ UnlockDisplay (dpy);
+ return 1;
+ }
+ GetReq (RenderQueryVersion, vreq);
+ vreq->reqType = info->codes->major_opcode;
+ vreq->renderReqType = X_RenderQueryVersion;
+ vreq->majorVersion = RENDER_MAJOR;
+ vreq->minorVersion = RENDER_MINOR;
+
+ async_state.version_seq = dpy->request;
+ async_state.error = False;
+ async.next = dpy->async_handlers;
+ async.handler = _XRenderVersionHandler;
+ async.data = (XPointer) &async_state;
+ dpy->async_handlers = &async;
+
+ GetReq (RenderQueryPictFormats, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderQueryPictFormats;
+
+ if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
+ {
+ DeqAsyncHandler (dpy, &async);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return 0;
+ }
+ DeqAsyncHandler (dpy, &async);
+ if (async_state.error)
+ {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return 0;
+ }
+ /*
+ * Check for the lack of sub-pixel data
+ */
+ if (async_state.major_version == 0 && async_state.minor_version < 6)
+ rep.numSubpixel = 0;
+
+ xri = (XRenderInfo *) Xmalloc (sizeof (XRenderInfo) +
+ rep.numFormats * sizeof (XRenderPictFormat) +
+ rep.numScreens * sizeof (XRenderScreen) +
+ rep.numDepths * sizeof (XRenderDepth) +
+ rep.numVisuals * sizeof (XRenderVisual));
+ rlength = (rep.numFormats * sizeof (xPictFormInfo) +
+ rep.numScreens * sizeof (xPictScreen) +
+ rep.numDepths * sizeof (xPictDepth) +
+ rep.numVisuals * sizeof (xPictVisual) +
+ rep.numSubpixel * 4);
+ xData = (void *) Xmalloc (rlength);
+ nbytes = (int) rep.length << 2;
+
+ if (!xri || !xData || nbytes < rlength)
+ {
+ if (xri) Xfree (xri);
+ if (xData) Xfree (xData);
+ _XEatData (dpy, nbytes);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return 0;
+ }
+ xri->major_version = async_state.major_version;
+ xri->minor_version = async_state.minor_version;
+ xri->format = (XRenderPictFormat *) (xri + 1);
+ xri->nformat = rep.numFormats;
+ xri->screen = (XRenderScreen *) (xri->format + rep.numFormats);
+ xri->nscreen = rep.numScreens;
+ xri->depth = (XRenderDepth *) (xri->screen + rep.numScreens);
+ xri->ndepth = rep.numDepths;
+ xri->visual = (XRenderVisual *) (xri->depth + rep.numDepths);
+ xri->nvisual = rep.numVisuals;
+ _XRead (dpy, (char *) xData, rlength);
+ format = xri->format;
+ xFormat = (xPictFormInfo *) xData;
+ for (nf = 0; nf < rep.numFormats; nf++)
+ {
+ format->id = xFormat->id;
+ format->type = xFormat->type;
+ format->depth = xFormat->depth;
+ format->direct.red = xFormat->direct.red;
+ format->direct.redMask = xFormat->direct.redMask;
+ format->direct.green = xFormat->direct.green;
+ format->direct.greenMask = xFormat->direct.greenMask;
+ format->direct.blue = xFormat->direct.blue;
+ format->direct.blueMask = xFormat->direct.blueMask;
+ format->direct.alpha = xFormat->direct.alpha;
+ format->direct.alphaMask = xFormat->direct.alphaMask;
+ format->colormap = xFormat->colormap;
+ format++;
+ xFormat++;
+ }
+ xScreen = (xPictScreen *) xFormat;
+ screen = xri->screen;
+ depth = xri->depth;
+ visual = xri->visual;
+ for (ns = 0; ns < xri->nscreen; ns++)
+ {
+ screen->depths = depth;
+ screen->ndepths = xScreen->nDepth;
+ screen->fallback = _XRenderFindFormat (xri, xScreen->fallback);
+ screen->subpixel = SubPixelUnknown;
+ xDepth = (xPictDepth *) (xScreen + 1);
+ for (nd = 0; nd < screen->ndepths; nd++)
+ {
+ depth->depth = xDepth->depth;
+ depth->nvisuals = xDepth->nPictVisuals;
+ depth->visuals = visual;
+ xVisual = (xPictVisual *) (xDepth + 1);
+ for (nv = 0; nv < depth->nvisuals; nv++)
+ {
+ visual->visual = _XRenderFindVisual (dpy, xVisual->visual);
+ visual->format = _XRenderFindFormat (xri, xVisual->format);
+ visual++;
+ xVisual++;
+ }
+ depth++;
+ xDepth = (xPictDepth *) xVisual;
+ }
+ screen++;
+ xScreen = (xPictScreen *) xDepth;
+ }
+ xSubpixel = (CARD32 *) xScreen;
+ screen = xri->screen;
+ for (ns = 0; ns < rep.numSubpixel; ns++)
+ {
+ screen->subpixel = *xSubpixel;
+ xSubpixel++;
+ screen++;
+ }
+ info->info = xri;
+ /*
+ * Skip any extra data
+ */
+ if (nbytes > rlength)
+ _XEatData (dpy, (unsigned long) (nbytes - rlength));
+
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ Xfree (xData);
+ return 1;
+}
+
+int
+XRenderQuerySubpixelOrder (Display *dpy, int screen)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ XRenderInfo *xri;
+
+ if (!RenderHasExtension (info))
+ return SubPixelUnknown;
+
+ if (!XRenderQueryFormats (dpy))
+ return SubPixelUnknown;
+
+ xri = info->info;
+ return xri->screen[screen].subpixel;
+}
+
+Bool
+XRenderSetSubpixelOrder (Display *dpy, int screen, int subpixel)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ XRenderInfo *xri;
+
+ if (!RenderHasExtension (info))
+ return False;
+
+ if (!XRenderQueryFormats (dpy))
+ return False;
+
+ xri = info->info;
+ xri->screen[screen].subpixel = subpixel;
+ return True;
+}
+
+XRenderPictFormat *
+XRenderFindVisualFormat (Display *dpy, _Xconst Visual *visual)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ int nv;
+ XRenderInfo *xri;
+ XRenderVisual *xrv;
+
+ RenderCheckExtension (dpy, info, NULL);
+ if (!XRenderQueryFormats (dpy))
+ return NULL;
+ xri = info->info;
+ for (nv = 0, xrv = xri->visual; nv < xri->nvisual; nv++, xrv++)
+ if (xrv->visual == visual)
+ return xrv->format;
+ return NULL;
+}
+
+XRenderPictFormat *
+XRenderFindFormat (Display *dpy,
+ unsigned long mask,
+ _Xconst XRenderPictFormat *template,
+ int count)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ int nf;
+ XRenderInfo *xri;
+
+ RenderCheckExtension (dpy, info, NULL);
+ if (!XRenderQueryFormats (dpy))
+ return NULL;
+ xri = info->info;
+ for (nf = 0; nf < xri->nformat; nf++)
+ {
+ if (mask & PictFormatID)
+ if (template->id != xri->format[nf].id)
+ continue;
+ if (mask & PictFormatType)
+ if (template->type != xri->format[nf].type)
+ continue;
+ if (mask & PictFormatDepth)
+ if (template->depth != xri->format[nf].depth)
+ continue;
+ if (mask & PictFormatRed)
+ if (template->direct.red != xri->format[nf].direct.red)
+ continue;
+ if (mask & PictFormatRedMask)
+ if (template->direct.redMask != xri->format[nf].direct.redMask)
+ continue;
+ if (mask & PictFormatGreen)
+ if (template->direct.green != xri->format[nf].direct.green)
+ continue;
+ if (mask & PictFormatGreenMask)
+ if (template->direct.greenMask != xri->format[nf].direct.greenMask)
+ continue;
+ if (mask & PictFormatBlue)
+ if (template->direct.blue != xri->format[nf].direct.blue)
+ continue;
+ if (mask & PictFormatBlueMask)
+ if (template->direct.blueMask != xri->format[nf].direct.blueMask)
+ continue;
+ if (mask & PictFormatAlpha)
+ if (template->direct.alpha != xri->format[nf].direct.alpha)
+ continue;
+ if (mask & PictFormatAlphaMask)
+ if (template->direct.alphaMask != xri->format[nf].direct.alphaMask)
+ continue;
+ if (mask & PictFormatColormap)
+ if (template->colormap != xri->format[nf].colormap)
+ continue;
+ if (count-- == 0)
+ return &xri->format[nf];
+ }
+ return NULL;
+}
+
+XRenderPictFormat *
+XRenderFindStandardFormat (Display *dpy,
+ int format)
+{
+ static struct {
+ XRenderPictFormat templ;
+ unsigned long mask;
+ } standardFormats[PictStandardNUM] = {
+ /* PictStandardARGB32 */
+ {
+ {
+ 0, /* id */
+ PictTypeDirect, /* type */
+ 32, /* depth */
+ { /* direct */
+ 16, /* direct.red */
+ 0xff, /* direct.redMask */
+ 8, /* direct.green */
+ 0xff, /* direct.greenMask */
+ 0, /* direct.blue */
+ 0xff, /* direct.blueMask */
+ 24, /* direct.alpha */
+ 0xff, /* direct.alphaMask */
+ },
+ 0, /* colormap */
+ },
+ PictFormatType |
+ PictFormatDepth |
+ PictFormatRed |
+ PictFormatRedMask |
+ PictFormatGreen |
+ PictFormatGreenMask |
+ PictFormatBlue |
+ PictFormatBlueMask |
+ PictFormatAlpha |
+ PictFormatAlphaMask,
+ },
+ /* PictStandardRGB24 */
+ {
+ {
+ 0, /* id */
+ PictTypeDirect, /* type */
+ 24, /* depth */
+ { /* direct */
+ 16, /* direct.red */
+ 0xff, /* direct.redMask */
+ 8, /* direct.green */
+ 0xff, /* direct.greenMask */
+ 0, /* direct.blue */
+ 0xff, /* direct.blueMask */
+ 0, /* direct.alpha */
+ 0x00, /* direct.alphaMask */
+ },
+ 0, /* colormap */
+ },
+ PictFormatType |
+ PictFormatDepth |
+ PictFormatRed |
+ PictFormatRedMask |
+ PictFormatGreen |
+ PictFormatGreenMask |
+ PictFormatBlue |
+ PictFormatBlueMask |
+ PictFormatAlphaMask,
+ },
+ /* PictStandardA8 */
+ {
+ {
+ 0, /* id */
+ PictTypeDirect, /* type */
+ 8, /* depth */
+ { /* direct */
+ 0, /* direct.red */
+ 0x00, /* direct.redMask */
+ 0, /* direct.green */
+ 0x00, /* direct.greenMask */
+ 0, /* direct.blue */
+ 0x00, /* direct.blueMask */
+ 0, /* direct.alpha */
+ 0xff, /* direct.alphaMask */
+ },
+ 0, /* colormap */
+ },
+ PictFormatType |
+ PictFormatDepth |
+ PictFormatRedMask |
+ PictFormatGreenMask |
+ PictFormatBlueMask |
+ PictFormatAlpha |
+ PictFormatAlphaMask,
+ },
+ /* PictStandardA4 */
+ {
+ {
+ 0, /* id */
+ PictTypeDirect, /* type */
+ 4, /* depth */
+ { /* direct */
+ 0, /* direct.red */
+ 0x00, /* direct.redMask */
+ 0, /* direct.green */
+ 0x00, /* direct.greenMask */
+ 0, /* direct.blue */
+ 0x00, /* direct.blueMask */
+ 0, /* direct.alpha */
+ 0x0f, /* direct.alphaMask */
+ },
+ 0, /* colormap */
+ },
+ PictFormatType |
+ PictFormatDepth |
+ PictFormatRedMask |
+ PictFormatGreenMask |
+ PictFormatBlueMask |
+ PictFormatAlpha |
+ PictFormatAlphaMask,
+ },
+ /* PictStandardA1 */
+ {
+ {
+ 0, /* id */
+ PictTypeDirect, /* type */
+ 1, /* depth */
+ { /* direct */
+ 0, /* direct.red */
+ 0x00, /* direct.redMask */
+ 0, /* direct.green */
+ 0x00, /* direct.greenMask */
+ 0, /* direct.blue */
+ 0x00, /* direct.blueMask */
+ 0, /* direct.alpha */
+ 0x01, /* direct.alphaMask */
+ },
+ 0, /* colormap */
+ },
+ PictFormatType |
+ PictFormatDepth |
+ PictFormatRedMask |
+ PictFormatGreenMask |
+ PictFormatBlueMask |
+ PictFormatAlpha |
+ PictFormatAlphaMask,
+ },
+ };
+
+ if (0 <= format && format < PictStandardNUM)
+ return XRenderFindFormat (dpy,
+ standardFormats[format].mask,
+ &standardFormats[format].templ,
+ 0);
+ return NULL;
+}
+
+XIndexValue *
+XRenderQueryPictIndexValues(Display *dpy,
+ _Xconst XRenderPictFormat *format,
+ int *num)
+{
+ XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
+ xRenderQueryPictIndexValuesReq *req;
+ xRenderQueryPictIndexValuesReply rep;
+ XIndexValue *values;
+ int nbytes, nread, rlength, i;
+
+ RenderCheckExtension (dpy, info, NULL);
+
+ LockDisplay (dpy);
+ GetReq (RenderQueryPictIndexValues, req);
+ req->reqType = info->codes->major_opcode;
+ req->renderReqType = X_RenderQueryPictIndexValues;
+ req->format = format->id;
+ if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
+ {
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return NULL;
+ }
+
+ /* request data length */
+ nbytes = (long)rep.length << 2;
+ /* bytes of actual data in the request */
+ nread = rep.numIndexValues * SIZEOF (xIndexValue);
+ /* size of array returned to application */
+ rlength = rep.numIndexValues * sizeof (XIndexValue);
+
+ /* allocate returned data */
+ values = (XIndexValue *)Xmalloc (rlength);
+ if (!values)
+ {
+ _XEatData (dpy, nbytes);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return NULL;
+ }
+
+ /* read the values one at a time and convert */
+ *num = rep.numIndexValues;
+ for(i = 0; i < rep.numIndexValues; i++)
+ {
+ xIndexValue value;
+
+ _XRead (dpy, (char *) &value, SIZEOF (xIndexValue));
+ values[i].pixel = value.pixel;
+ values[i].red = value.red;
+ values[i].green = value.green;
+ values[i].blue = value.blue;
+ values[i].alpha = value.alpha;
+ }
+ /* skip any padding */
+ if(nbytes > nread)
+ {
+ _XEatData (dpy, (unsigned long) (nbytes - nread));
+ }
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return values;
+}
diff --git a/libXrender/src/Xrenderint.h b/libXrender/src/Xrenderint.h
new file mode 100644
index 000000000..49a294b14
--- /dev/null
+++ b/libXrender/src/Xrenderint.h
@@ -0,0 +1,114 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifndef _XRENDERINT_H_
+#define _XRENDERINT_H_
+
+#include "config.h"
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include <X11/Xlibint.h>
+#include <X11/Xutil.h>
+#include <X11/extensions/renderproto.h>
+#include "Xrender.h"
+
+typedef struct {
+ Visual *visual;
+ XRenderPictFormat *format;
+} XRenderVisual;
+
+typedef struct {
+ int depth;
+ int nvisuals;
+ XRenderVisual *visuals;
+} XRenderDepth;
+
+typedef struct {
+ XRenderDepth *depths;
+ int ndepths;
+ XRenderPictFormat *fallback;
+ int subpixel;
+} XRenderScreen;
+
+typedef struct _XRenderInfo {
+ int major_version;
+ int minor_version;
+ XRenderPictFormat *format;
+ int nformat;
+ XRenderScreen *screen;
+ int nscreen;
+ XRenderDepth *depth;
+ int ndepth;
+ XRenderVisual *visual;
+ int nvisual;
+ int *subpixel;
+ int nsubpixel;
+ char **filter;
+ int nfilter;
+ short *filter_alias;
+ int nfilter_alias;
+} XRenderInfo;
+
+/* replaces XRenderExtDisplayInfo */
+typedef struct _XRenderExtDisplayInfo {
+ struct _XRenderExtDisplayInfo *next; /* keep a linked list */
+ Display *display; /* which display this is */
+ XExtCodes *codes; /* the extension protocol codes */
+ XRenderInfo *info; /* extra data for the extension to use */
+} XRenderExtDisplayInfo;
+
+/* replaces XExtensionInfo */
+typedef struct _XRenderExtInfo {
+ XRenderExtDisplayInfo *head; /* start of the list */
+ XRenderExtDisplayInfo *cur; /* most recently used */
+ int ndisplays; /* number of displays */
+} XRenderExtInfo;
+
+extern XRenderExtInfo XRenderExtensionInfo;
+extern char XRenderExtensionName[];
+
+XRenderExtDisplayInfo *
+XRenderFindDisplay (Display *dpy);
+
+#define RenderHasExtension(i) ((i) && ((i)->codes))
+
+#define RenderCheckExtension(dpy,i,val) \
+ if (!RenderHasExtension(i)) { return val; }
+
+#define RenderSimpleCheckExtension(dpy,i) \
+ if (!RenderHasExtension(i)) { return; }
+
+/*
+ * Xlib uses long for 32-bit values. Xrender uses int. This
+ * matters on alpha. Note that this macro assumes that int is 32 bits
+ * except on WORD64 machines where it is 64 bits.
+ */
+
+#ifdef WORD64
+#define DataInt32(dpy,d,len) Data32(dpy,(long *) (d),len)
+#else
+#define DataInt32(dpy,d,len) Data(dpy,(char *) (d),len)
+#endif
+
+#endif /* _XRENDERINT_H_ */
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