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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/miext/rootless/safeAlpha
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
downloadnx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/miext/rootless/safeAlpha')
-rw-r--r--nx-X11/programs/Xserver/miext/rootless/safeAlpha/Imakefile18
-rw-r--r--nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlpha.h45
-rw-r--r--nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaPicture.c643
-rw-r--r--nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaWindow.c175
4 files changed, 881 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/miext/rootless/safeAlpha/Imakefile b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/Imakefile
new file mode 100644
index 000000000..bb14bb146
--- /dev/null
+++ b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/Imakefile
@@ -0,0 +1,18 @@
+XCOMM $XFree86: xc/programs/Xserver/miext/rootless/Imakefile,v 1.1 2003/04/15 01:05:44 torrey Exp $
+
+#include <Server.tmpl>
+
+SRCS = safeAlphaPicture.c \
+ safeAlphaWindow.c
+
+OBJS = safeAlphaPicture.o \
+ safeAlphaWindow.o
+
+ INCLUDES = -I. -I$(SERVERSRC)/fb -I$(SERVERSRC)/mi -I$(SERVERSRC)/include \
+ -I$(XINCLUDESRC) -I$(FONTINCSRC) -I$(SERVERSRC)/render \
+ -I$(EXTINCSRC) -I$(SERVERSRC)/Xext -I..
+
+NormalLibraryObjectRule()
+LibraryModuleTarget(safeAlpha,$(OBJS))
+
+DependTarget()
diff --git a/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlpha.h b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlpha.h
new file mode 100644
index 000000000..63922aeec
--- /dev/null
+++ b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlpha.h
@@ -0,0 +1,45 @@
+/*
+ * Replacement functions to protect the alpha channel
+ */
+/*
+ * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+/* $XFree86: xc/programs/Xserver/miext/rootless/safeAlpha/safeAlpha.h,v 1.2 2003/10/18 00:00:34 torrey Exp $ */
+
+#ifndef _SAFEALPHA_H
+#define _SAFEALPHA_H
+
+#include "picturestr.h"
+
+void SafeAlphaPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what);
+
+#ifdef RENDER
+void
+SafeAlphaComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
+ INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
+ INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
+#endif /* RENDER */
+
+#endif /* _SAFEALPHA_H */
diff --git a/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaPicture.c b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaPicture.c
new file mode 100644
index 000000000..f73a3b5c1
--- /dev/null
+++ b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaPicture.c
@@ -0,0 +1,643 @@
+/*
+ * Support for RENDER extension while protecting the alpha channel
+ */
+/*
+ * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved.
+ * Copyright (c) 2002 Apple Computer, Inc. All Rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+/* This file is largely based on fbcompose.c and fbpict.c, which contain
+ * the following copyright:
+ *
+ * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ */
+ /* $XFree86: xc/programs/Xserver/miext/rootless/safeAlpha/safeAlphaPicture.c,v 1.3 2003/10/24 00:33:15 torrey Exp $ */
+
+#ifdef RENDER
+
+#include "fb.h"
+#include "picturestr.h"
+#include "mipict.h"
+#include "fbpict.h"
+#include "safeAlpha.h"
+#include "rootlessCommon.h"
+
+# define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b))
+
+
+typedef void (*CompositeFunc) (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height);
+
+
+/* Optimized version of fbCompositeSolidMask_nx8x8888 */
+void
+SafeAlphaCompositeSolidMask_nx8x8888(
+ CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ CARD32 src, srca;
+ CARD32 *dstLine, *dst, d, dstMask;
+ CARD8 *maskLine, *mask, m;
+ FbStride dstStride, maskStride;
+ CARD16 w;
+
+ fbComposeGetSolid(pSrc, src, pDst->format);
+
+ dstMask = FbFullMask (pDst->pDrawable->depth);
+ srca = src >> 24;
+ if (src == 0)
+ return;
+
+ fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
+ fbComposeGetStart (pMask, xMask, yMask, CARD8, maskStride, maskLine, 1);
+
+ if (dstMask == FB_ALLONES && pDst->pDrawable->bitsPerPixel == 32 &&
+ width * height > rootless_CompositePixels_threshold &&
+ SCREENREC(pDst->pDrawable->pScreen)->imp->CompositePixels)
+ {
+ void *srcp[2], *destp[2];
+ unsigned int dest_rowbytes[2];
+ unsigned int fn;
+
+ srcp[0] = &src; srcp[1] = &src;
+ /* null rowbytes pointer means use first value as a constant */
+ destp[0] = dstLine; destp[1] = dstLine;
+ dest_rowbytes[0] = dstStride * 4; dest_rowbytes[1] = dest_rowbytes[0];
+ fn = RL_COMPOSITE_FUNCTION(RL_COMPOSITE_OVER, RL_DEPTH_ARGB8888,
+ RL_DEPTH_A8, RL_DEPTH_ARGB8888);
+
+ if (SCREENREC(pDst->pDrawable->pScreen)->imp->CompositePixels(
+ width, height, fn, srcp, NULL,
+ maskLine, maskStride,
+ destp, dest_rowbytes) == Success)
+ {
+ return;
+ }
+ }
+
+ while (height--)
+ {
+ dst = dstLine;
+ dstLine += dstStride;
+ mask = maskLine;
+ maskLine += maskStride;
+ w = width;
+
+ while (w--)
+ {
+ m = *mask++;
+ if (m == 0xff)
+ {
+ if (srca == 0xff)
+ *dst = src & dstMask;
+ else
+ *dst = fbOver (src, *dst) & dstMask;
+ }
+ else if (m)
+ {
+ d = fbIn (src, m);
+ *dst = fbOver (d, *dst) & dstMask;
+ }
+ dst++;
+ }
+ }
+}
+
+void
+SafeAlphaComposite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ RegionRec region;
+ int n;
+ BoxPtr pbox;
+ CompositeFunc func = 0;
+ Bool srcRepeat = pSrc->repeat;
+ Bool maskRepeat = FALSE;
+ Bool srcAlphaMap = pSrc->alphaMap != 0;
+ Bool maskAlphaMap = FALSE;
+ Bool dstAlphaMap = pDst->alphaMap != 0;
+ int x_msk, y_msk, x_src, y_src, x_dst, y_dst;
+ int w, h, w_this, h_this;
+ int dstDepth = pDst->pDrawable->depth;
+ int oldFormat = pDst->format;
+
+ xDst += pDst->pDrawable->x;
+ yDst += pDst->pDrawable->y;
+ xSrc += pSrc->pDrawable->x;
+ ySrc += pSrc->pDrawable->y;
+ if (pMask)
+ {
+ xMask += pMask->pDrawable->x;
+ yMask += pMask->pDrawable->y;
+ maskRepeat = pMask->repeat;
+ maskAlphaMap = pMask->alphaMap != 0;
+ }
+
+
+ /*
+ * We can use the more optimized fbpict code, but it sets bits above
+ * the depth to zero. Temporarily adjust destination depth if needed.
+ */
+ if (pDst->pDrawable->type == DRAWABLE_WINDOW
+ && pDst->pDrawable->depth == 24
+ && pDst->pDrawable->bitsPerPixel == 32)
+ {
+ pDst->pDrawable->depth = 32;
+ }
+ /* For rootless preserve the alpha in x8r8g8b8 which really is
+ * a8r8g8b8
+ */
+ if (oldFormat == PICT_x8r8g8b8)
+ {
+ pDst->format = PICT_a8r8g8b8;
+ }
+
+
+
+ if (!pSrc->transform && !(pMask && pMask->transform))
+ if (!maskAlphaMap && !srcAlphaMap && !dstAlphaMap)
+ switch (op) {
+ case PictOpSrc:
+#ifdef USE_MMX
+ if (!pMask && pSrc->format == pDst->format &&
+ pSrc->pDrawable != pDst->pDrawable)
+ {
+ func = fbCompositeCopyAreammx;
+ }
+#endif
+ break;
+ case PictOpOver:
+ if (pMask)
+ {
+ if (srcRepeat &&
+ pSrc->pDrawable->width == 1 &&
+ pSrc->pDrawable->height == 1)
+ {
+ srcRepeat = FALSE;
+ if (PICT_FORMAT_COLOR(pSrc->format)) {
+ switch (pMask->format) {
+ case PICT_a8:
+ switch (pDst->format) {
+ case PICT_r5g6b5:
+ case PICT_b5g6r5:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSolidMask_nx8x0565mmx;
+ else
+#endif
+ func = fbCompositeSolidMask_nx8x0565;
+ break;
+ case PICT_r8g8b8:
+ case PICT_b8g8r8:
+ func = fbCompositeSolidMask_nx8x0888;
+ break;
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+ func = SafeAlphaCompositeSolidMask_nx8x8888;
+ break;
+ }
+ break;
+ case PICT_a8r8g8b8:
+ if (pMask->componentAlpha) {
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSolidMask_nx8888x8888Cmmx;
+ else
+#endif
+ func = fbCompositeSolidMask_nx8888x8888C;
+ break;
+ case PICT_r5g6b5:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSolidMask_nx8888x0565Cmmx;
+ else
+#endif
+ func = fbCompositeSolidMask_nx8888x0565C;
+ break;
+ }
+ }
+ break;
+ case PICT_a8b8g8r8:
+ if (pMask->componentAlpha) {
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSolidMask_nx8888x8888Cmmx;
+ else
+#endif
+ func = fbCompositeSolidMask_nx8888x8888C;
+ break;
+ case PICT_b5g6r5:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSolidMask_nx8888x0565Cmmx;
+ else
+#endif
+ func = fbCompositeSolidMask_nx8888x0565C;
+ break;
+ }
+ }
+ break;
+ case PICT_a1:
+ switch (pDst->format) {
+ case PICT_r5g6b5:
+ case PICT_b5g6r5:
+ case PICT_r8g8b8:
+ case PICT_b8g8r8:
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+ func = fbCompositeSolidMask_nx1xn;
+ break;
+ }
+ break;
+ }
+ }
+ }
+ else /* has mask and non-repeating source */
+ {
+ if (pSrc->pDrawable == pMask->pDrawable &&
+ xSrc == xMask && ySrc == yMask &&
+ !pMask->componentAlpha)
+ {
+ /* source == mask: non-premultiplied data */
+ switch (pSrc->format) {
+ case PICT_x8b8g8r8:
+ switch (pMask->format) {
+ case PICT_a8r8g8b8:
+ case PICT_a8b8g8r8:
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrc_8888RevNPx8888mmx;
+#endif
+ break;
+ case PICT_r5g6b5:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrc_8888RevNPx0565mmx;
+#endif
+ break;
+ }
+ break;
+ }
+ break;
+ case PICT_x8r8g8b8:
+ switch (pMask->format) {
+ case PICT_a8r8g8b8:
+ case PICT_a8b8g8r8:
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrc_8888RevNPx8888mmx;
+#endif
+ break;
+ case PICT_r5g6b5:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrc_8888RevNPx0565mmx;
+#endif
+ break;
+ }
+ break;
+ }
+ break;
+ }
+ break;
+ }
+ else
+ {
+ /* non-repeating source, repeating mask => translucent window */
+ if (maskRepeat &&
+ pMask->pDrawable->width == 1 &&
+ pMask->pDrawable->height == 1)
+ {
+ if (pSrc->format == PICT_x8r8g8b8 &&
+ pDst->format == PICT_x8r8g8b8 &&
+ pMask->format == PICT_a8)
+ {
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrc_8888x8x8888mmx;
+#endif
+ }
+ }
+ }
+ }
+ }
+ else /* no mask */
+ {
+ if (srcRepeat &&
+ pSrc->pDrawable->width == 1 &&
+ pSrc->pDrawable->height == 1)
+ {
+ /* no mask and repeating source */
+ switch (pSrc->format) {
+ case PICT_a8r8g8b8:
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ {
+ srcRepeat = FALSE;
+ func = fbCompositeSolid_nx8888mmx;
+ }
+#endif
+ break;
+ case PICT_r5g6b5:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ {
+ srcRepeat = FALSE;
+ func = fbCompositeSolid_nx0565mmx;
+ }
+#endif
+ break;
+ }
+ break;
+ }
+ }
+ else
+ {
+ switch (pSrc->format) {
+ case PICT_a8r8g8b8:
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrc_8888x8888mmx;
+ else
+#endif
+ func = fbCompositeSrc_8888x8888;
+ break;
+ case PICT_r8g8b8:
+ func = fbCompositeSrc_8888x0888;
+ break;
+ case PICT_r5g6b5:
+ func = fbCompositeSrc_8888x0565;
+ break;
+ }
+ break;
+ case PICT_x8r8g8b8:
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+ case PICT_x8r8g8b8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeCopyAreammx;
+#endif
+ break;
+ }
+ case PICT_x8b8g8r8:
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeCopyAreammx;
+#endif
+ break;
+ }
+ break;
+ case PICT_a8b8g8r8:
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+ case PICT_x8b8g8r8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrc_8888x8888mmx;
+ else
+#endif
+ func = fbCompositeSrc_8888x8888;
+ break;
+ case PICT_b8g8r8:
+ func = fbCompositeSrc_8888x0888;
+ break;
+ case PICT_b5g6r5:
+ func = fbCompositeSrc_8888x0565;
+ break;
+ }
+ break;
+ case PICT_r5g6b5:
+ switch (pDst->format) {
+ case PICT_r5g6b5:
+ func = fbCompositeSrc_0565x0565;
+ break;
+ }
+ break;
+ case PICT_b5g6r5:
+ switch (pDst->format) {
+ case PICT_b5g6r5:
+ func = fbCompositeSrc_0565x0565;
+ break;
+ }
+ break;
+ }
+ }
+ }
+ break;
+ case PictOpAdd:
+ if (pMask == 0)
+ {
+ switch (pSrc->format) {
+ case PICT_a8r8g8b8:
+ switch (pDst->format) {
+ case PICT_a8r8g8b8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrcAdd_8888x8888mmx;
+ else
+#endif
+ func = fbCompositeSrcAdd_8888x8888;
+ break;
+ }
+ break;
+ case PICT_a8b8g8r8:
+ switch (pDst->format) {
+ case PICT_a8b8g8r8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrcAdd_8888x8888mmx;
+ else
+#endif
+ func = fbCompositeSrcAdd_8888x8888;
+ break;
+ }
+ break;
+ case PICT_a8:
+ switch (pDst->format) {
+ case PICT_a8:
+#ifdef USE_MMX
+ if (fbHaveMMX())
+ func = fbCompositeSrcAdd_8000x8000mmx;
+ else
+#endif
+ func = fbCompositeSrcAdd_8000x8000;
+ break;
+ }
+ break;
+ case PICT_a1:
+ switch (pDst->format) {
+ case PICT_a1:
+ func = fbCompositeSrcAdd_1000x1000;
+ break;
+ }
+ break;
+ }
+ }
+ break;
+ }
+
+ if (!func) {
+ /* no fast path, use the general code */
+ fbCompositeGeneral(op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask, xDst, yDst, width, height);
+ // Reset destination depth and format to their true value
+ pDst->pDrawable->depth = dstDepth;
+ pDst->format = oldFormat;
+ return;
+ }
+
+ if (!miComputeCompositeRegion (&region,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc,
+ ySrc,
+ xMask,
+ yMask,
+ xDst,
+ yDst,
+ width,
+ height))
+ return;
+
+ n = REGION_NUM_RECTS (&region);
+ pbox = REGION_RECTS (&region);
+ while (n--)
+ {
+ h = pbox->y2 - pbox->y1;
+ y_src = pbox->y1 - yDst + ySrc;
+ y_msk = pbox->y1 - yDst + yMask;
+ y_dst = pbox->y1;
+ while (h)
+ {
+ h_this = h;
+ w = pbox->x2 - pbox->x1;
+ x_src = pbox->x1 - xDst + xSrc;
+ x_msk = pbox->x1 - xDst + xMask;
+ x_dst = pbox->x1;
+ if (maskRepeat)
+ {
+ y_msk = mod (y_msk, pMask->pDrawable->height);
+ if (h_this > pMask->pDrawable->height - y_msk)
+ h_this = pMask->pDrawable->height - y_msk;
+ }
+ if (srcRepeat)
+ {
+ y_src = mod (y_src, pSrc->pDrawable->height);
+ if (h_this > pSrc->pDrawable->height - y_src)
+ h_this = pSrc->pDrawable->height - y_src;
+ }
+ while (w)
+ {
+ w_this = w;
+ if (maskRepeat)
+ {
+ x_msk = mod (x_msk, pMask->pDrawable->width);
+ if (w_this > pMask->pDrawable->width - x_msk)
+ w_this = pMask->pDrawable->width - x_msk;
+ }
+ if (srcRepeat)
+ {
+ x_src = mod (x_src, pSrc->pDrawable->width);
+ if (w_this > pSrc->pDrawable->width - x_src)
+ w_this = pSrc->pDrawable->width - x_src;
+ }
+ (*func) (op, pSrc, pMask, pDst,
+ x_src, y_src, x_msk, y_msk, x_dst, y_dst,
+ w_this, h_this);
+ w -= w_this;
+ x_src += w_this;
+ x_msk += w_this;
+ x_dst += w_this;
+ }
+ h -= h_this;
+ y_src += h_this;
+ y_msk += h_this;
+ y_dst += h_this;
+ }
+ pbox++;
+ }
+ REGION_UNINIT (pDst->pDrawable->pScreen, &region);
+
+ // Reset destination depth/format to its true value
+ pDst->pDrawable->depth = dstDepth;
+ pDst->format = oldFormat;
+}
+
+#endif /* RENDER */
diff --git a/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaWindow.c b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaWindow.c
new file mode 100644
index 000000000..ff812385b
--- /dev/null
+++ b/nx-X11/programs/Xserver/miext/rootless/safeAlpha/safeAlphaWindow.c
@@ -0,0 +1,175 @@
+/* $XdotOrg: xc/programs/Xserver/miext/rootless/safeAlpha/safeAlphaWindow.c,v 1.4 2005/07/01 22:43:42 daniels Exp $ */
+/*
+ * Specialized window functions to protect the alpha channel
+ */
+/*
+ * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+/* Portions of this file are based on fbwindow.c, which contains the
+ * following copyright:
+ *
+ * Copyright © 1998 Keith Packard
+ */
+/* $XFree86: xc/programs/Xserver/miext/rootless/safeAlpha/safeAlphaWindow.c,v 1.1 2003/09/16 00:36:20 torrey Exp $ */
+
+#include "fb.h"
+#include "safeAlpha.h"
+#include "rootlessCommon.h"
+
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+
+/*
+ * SafeAlphaFillRegionTiled
+ * Fill using a tile while leaving the alpha channel untouched.
+ * Based on fbfillRegionTiled.
+ */
+void
+SafeAlphaFillRegionTiled(
+ DrawablePtr pDrawable,
+ RegionPtr pRegion,
+ PixmapPtr pTile)
+{
+ FbBits *dst;
+ FbStride dstStride;
+ int dstBpp;
+ int dstXoff, dstYoff;
+ FbBits *tile;
+ FbStride tileStride;
+ int tileBpp;
+ int tileXoff, tileYoff; /* XXX assumed to be zero */
+ int tileWidth, tileHeight;
+ int n = REGION_NUM_RECTS(pRegion);
+ BoxPtr pbox = REGION_RECTS(pRegion);
+ int xRot = pDrawable->x;
+ int yRot = pDrawable->y;
+ FbBits planeMask;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension)
+ {
+ int index = pDrawable->pScreen->myNum;
+ if(&WindowTable[index]->drawable == pDrawable)
+ {
+ xRot -= panoramiXdataPtr[index].x;
+ yRot -= panoramiXdataPtr[index].y;
+ }
+ }
+#endif
+ fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+ fbGetDrawable (&pTile->drawable, tile, tileStride, tileBpp,
+ tileXoff, tileYoff);
+ tileWidth = pTile->drawable.width;
+ tileHeight = pTile->drawable.height;
+ xRot += dstXoff;
+ yRot += dstYoff;
+ planeMask = FB_ALLONES & ~RootlessAlphaMask(dstBpp);
+
+ while (n--)
+ {
+ fbTile (dst + (pbox->y1 + dstYoff) * dstStride,
+ dstStride,
+ (pbox->x1 + dstXoff) * dstBpp,
+ (pbox->x2 - pbox->x1) * dstBpp,
+ pbox->y2 - pbox->y1,
+ tile,
+ tileStride,
+ tileWidth * dstBpp,
+ tileHeight,
+ GXcopy,
+ planeMask,
+ dstBpp,
+ xRot * dstBpp,
+ yRot - pbox->y1);
+ pbox++;
+ }
+}
+
+
+/*
+ * SafeAlphaPaintWindow
+ * Paint the window while filling in the alpha channel with all on.
+ * We can't use fbPaintWindow because it zeros the alpha channel.
+ */
+void
+SafeAlphaPaintWindow(
+ WindowPtr pWin,
+ RegionPtr pRegion,
+ int what)
+{
+ switch (what) {
+ case PW_BACKGROUND:
+
+ switch (pWin->backgroundState) {
+ case None:
+ break;
+ case ParentRelative:
+ do {
+ pWin = pWin->parent;
+ } while (pWin->backgroundState == ParentRelative);
+ (*pWin->drawable.pScreen->PaintWindowBackground)(pWin, pRegion,
+ what);
+ break;
+ case BackgroundPixmap:
+ SafeAlphaFillRegionTiled (&pWin->drawable,
+ pRegion,
+ pWin->background.pixmap);
+ break;
+ case BackgroundPixel:
+ {
+ Pixel pixel = pWin->background.pixel |
+ RootlessAlphaMask(pWin->drawable.bitsPerPixel);
+ fbFillRegionSolid (&pWin->drawable, pRegion, 0,
+ fbReplicatePixel (pixel,
+ pWin->drawable.bitsPerPixel));
+ break;
+ }
+ }
+ break;
+ case PW_BORDER:
+ if (pWin->borderIsPixel)
+ {
+ Pixel pixel = pWin->border.pixel |
+ RootlessAlphaMask(pWin->drawable.bitsPerPixel);
+ fbFillRegionSolid (&pWin->drawable, pRegion, 0,
+ fbReplicatePixel (pixel,
+ pWin->drawable.bitsPerPixel));
+ }
+ else
+ {
+ WindowPtr pBgWin;
+ for (pBgWin = pWin; pBgWin->backgroundState == ParentRelative;
+ pBgWin = pBgWin->parent);
+
+ SafeAlphaFillRegionTiled (&pBgWin->drawable,
+ pRegion,
+ pWin->border.pixmap);
+ }
+ break;
+ }
+ fbValidateDrawable (&pWin->drawable);
+}