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Diffstat (limited to 'xorg-server/miext/rootless/safeAlpha/safeAlphaPicture.c')
-rw-r--r--xorg-server/miext/rootless/safeAlpha/safeAlphaPicture.c211
1 files changed, 0 insertions, 211 deletions
diff --git a/xorg-server/miext/rootless/safeAlpha/safeAlphaPicture.c b/xorg-server/miext/rootless/safeAlpha/safeAlphaPicture.c
deleted file mode 100644
index 8f6631531..000000000
--- a/xorg-server/miext/rootless/safeAlpha/safeAlphaPicture.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * 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.
- */
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-#ifdef RENDER
-
-#include <stddef.h> /* For NULL */
-#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))
-
-/* 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)
-{
- if (!pSrc) {
- ErrorF("SafeAlphaComposite: pSrc must not be null!\n");
- return;
- }
-
- if (!pDst) {
- ErrorF("SafeAlphaComposite: pDst must not be null!\n");
- return;
- }
-
- int oldDepth = pDst->pDrawable->depth;
- int oldFormat = pDst->format;
-
- /*
- * 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->pDrawable && pMask && pMask->pDrawable &&
- !pSrc->transform && !pMask->transform &&
- !pSrc->alphaMap && !pMask->alphaMap &&
- !pMask->repeat && !pMask->componentAlpha && !pDst->alphaMap &&
- pMask->format == PICT_a8 &&
- pSrc->repeatType == RepeatNormal &&
- pSrc->pDrawable->width == 1 &&
- pSrc->pDrawable->height == 1 &&
- (pDst->format == PICT_a8r8g8b8 ||
- pDst->format == PICT_x8r8g8b8 ||
- pDst->format == PICT_a8b8g8r8 ||
- pDst->format == PICT_x8b8g8r8))
- {
- fbWalkCompositeRegion (op, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst,
- width, height,
- TRUE /* srcRepeat */,
- FALSE /* maskRepeat */,
- SafeAlphaCompositeSolidMask_nx8x8888);
- }
- else
- {
- fbComposite (op, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst, width, height);
- }
-
- pDst->pDrawable->depth = oldDepth;
- pDst->format = oldFormat;
-}
-
-#endif /* RENDER */
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