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Diffstat (limited to 'xorg-server/fb/fbpoint.c')
-rw-r--r--xorg-server/fb/fbpoint.c318
1 files changed, 156 insertions, 162 deletions
diff --git a/xorg-server/fb/fbpoint.c b/xorg-server/fb/fbpoint.c
index d675dbaff..bf617708b 100644
--- a/xorg-server/fb/fbpoint.c
+++ b/xorg-server/fb/fbpoint.c
@@ -1,162 +1,156 @@
-/*
- * Copyright © 1998 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "fb.h"
-
-typedef void (*FbDots) (FbBits *dst,
- FbStride dstStride,
- int dstBpp,
- BoxPtr pBox,
- xPoint *pts,
- int npt,
- int xorg,
- int yorg,
- int xoff,
- int yoff,
- FbBits and,
- FbBits xor);
-
-void
-fbDots (FbBits *dstOrig,
- FbStride dstStride,
- int dstBpp,
- BoxPtr pBox,
- xPoint *pts,
- int npt,
- int xorg,
- int yorg,
- int xoff,
- int yoff,
- FbBits andOrig,
- FbBits xorOrig)
-{
- FbStip *dst = (FbStip *) dstOrig;
- int x1, y1, x2, y2;
- int x, y;
- FbStip *d;
- FbStip and = andOrig;
- FbStip xor = xorOrig;
-
- dstStride = FbBitsStrideToStipStride (dstStride);
- x1 = pBox->x1;
- y1 = pBox->y1;
- x2 = pBox->x2;
- y2 = pBox->y2;
- while (npt--)
- {
- x = pts->x + xorg;
- y = pts->y + yorg;
- pts++;
- if (x1 <= x && x < x2 && y1 <= y && y < y2)
- {
- x = (x + xoff) * dstBpp;
- d = dst + ((y + yoff) * dstStride) + (x >> FB_STIP_SHIFT);
- x &= FB_STIP_MASK;
-#ifdef FB_24BIT
- if (dstBpp == 24)
- {
- FbStip leftMask, rightMask;
- int n, rot;
- FbStip andT, xorT;
-
- rot = FbFirst24Rot (x);
- andT = FbRot24Stip(and,rot);
- xorT = FbRot24Stip(xor,rot);
- FbMaskStip (x, 24, leftMask, n, rightMask);
- if (leftMask)
- {
- WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
- andT = FbNext24Stip(andT);
- xorT = FbNext24Stip(xorT);
- d++;
- }
- if (rightMask)
- WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, rightMask));
- }
- else
-#endif
- {
- FbStip mask;
- mask = FbStipMask(x, dstBpp);
- WRITE(d, FbDoMaskRRop (READ(d), and, xor, mask));
- }
- }
- }
-}
-
-void
-fbPolyPoint (DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int nptInit,
- xPoint *pptInit)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- RegionPtr pClip = fbGetCompositeClip(pGC);
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- FbDots dots;
- FbBits and, xor;
- xPoint *ppt;
- int npt;
- BoxPtr pBox;
- int nBox;
-
- /* make pointlist origin relative */
- ppt = pptInit;
- npt = nptInit;
- if (mode == CoordModePrevious)
- {
- npt--;
- while(npt--)
- {
- ppt++;
- ppt->x += (ppt-1)->x;
- ppt->y += (ppt-1)->y;
- }
- }
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- and = pPriv->and;
- xor = pPriv->xor;
- dots = fbDots;
-#ifndef FBNOPIXADDR
- switch (dstBpp) {
- case 8: dots = fbDots8; break;
- case 16: dots = fbDots16; break;
-#ifdef FB_24BIT
- case 24: dots = fbDots24; break;
-#endif
- case 32: dots = fbDots32; break;
- }
-#endif
- for (nBox = RegionNumRects (pClip), pBox = RegionRects (pClip);
- nBox--; pBox++)
- (*dots) (dst, dstStride, dstBpp, pBox, pptInit, nptInit,
- pDrawable->x, pDrawable->y, dstXoff, dstYoff, and, xor);
- fbFinishAccess (pDrawable);
-}
+/*
+ * Copyright © 1998 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_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "fb.h"
+
+typedef void (*FbDots) (FbBits *dst,
+ FbStride dstStride,
+ int dstBpp,
+ BoxPtr pBox,
+ xPoint *pts,
+ int npt,
+ int xorg,
+ int yorg,
+ int xoff,
+ int yoff,
+ FbBits and,
+ FbBits xor);
+
+void
+fbDots (FbBits *dstOrig,
+ FbStride dstStride,
+ int dstBpp,
+ BoxPtr pBox,
+ xPoint *pts,
+ int npt,
+ int xorg,
+ int yorg,
+ int xoff,
+ int yoff,
+ FbBits andOrig,
+ FbBits xorOrig)
+{
+ FbStip *dst = (FbStip *) dstOrig;
+ int x1, y1, x2, y2;
+ int x, y;
+ FbStip *d;
+ FbStip and = andOrig;
+ FbStip xor = xorOrig;
+
+ dstStride = FbBitsStrideToStipStride (dstStride);
+ x1 = pBox->x1;
+ y1 = pBox->y1;
+ x2 = pBox->x2;
+ y2 = pBox->y2;
+ while (npt--)
+ {
+ x = pts->x + xorg;
+ y = pts->y + yorg;
+ pts++;
+ if (x1 <= x && x < x2 && y1 <= y && y < y2)
+ {
+ x = (x + xoff) * dstBpp;
+ d = dst + ((y + yoff) * dstStride) + (x >> FB_STIP_SHIFT);
+ x &= FB_STIP_MASK;
+ if (dstBpp == 24)
+ {
+ FbStip leftMask, rightMask;
+ int n, rot;
+ FbStip andT, xorT;
+
+ rot = FbFirst24Rot (x);
+ andT = FbRot24Stip(and,rot);
+ xorT = FbRot24Stip(xor,rot);
+ FbMaskStip (x, 24, leftMask, n, rightMask);
+ if (leftMask)
+ {
+ WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
+ andT = FbNext24Stip(andT);
+ xorT = FbNext24Stip(xorT);
+ d++;
+ }
+ if (rightMask)
+ WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, rightMask));
+ }
+ else
+ {
+ FbStip mask;
+ mask = FbStipMask(x, dstBpp);
+ WRITE(d, FbDoMaskRRop (READ(d), and, xor, mask));
+ }
+ }
+ }
+}
+
+void
+fbPolyPoint (DrawablePtr pDrawable,
+ GCPtr pGC,
+ int mode,
+ int nptInit,
+ xPoint *pptInit)
+{
+ FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
+ RegionPtr pClip = fbGetCompositeClip(pGC);
+ FbBits *dst;
+ FbStride dstStride;
+ int dstBpp;
+ int dstXoff, dstYoff;
+ FbDots dots;
+ FbBits and, xor;
+ xPoint *ppt;
+ int npt;
+ BoxPtr pBox;
+ int nBox;
+
+ /* make pointlist origin relative */
+ ppt = pptInit;
+ npt = nptInit;
+ if (mode == CoordModePrevious)
+ {
+ npt--;
+ while(npt--)
+ {
+ ppt++;
+ ppt->x += (ppt-1)->x;
+ ppt->y += (ppt-1)->y;
+ }
+ }
+ fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+ and = pPriv->and;
+ xor = pPriv->xor;
+ dots = fbDots;
+ switch (dstBpp) {
+ case 8: dots = fbDots8; break;
+ case 16: dots = fbDots16; break;
+ case 24: dots = fbDots24; break;
+ case 32: dots = fbDots32; break;
+ }
+ for (nBox = RegionNumRects (pClip), pBox = RegionRects (pClip);
+ nBox--; pBox++)
+ (*dots) (dst, dstStride, dstBpp, pBox, pptInit, nptInit,
+ pDrawable->x, pDrawable->y, dstXoff, dstYoff, and, xor);
+ fbFinishAccess (pDrawable);
+}
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