Initial revision

1 files changed, 212 insertions, 0 deletions

diff --git a/src/ffb_loops.h b/src/ffb_loops.h
new file mode 100644
index 0000000..efb14c3
--- /dev/null
+++ b/src/ffb_loops.h
@@ -0,0 +1,212 @@
+/*
+ * Acceleration for the Creator and Creator3D framebuffer - fast inner loops.
+ *
+ * Copyright (C) 1999 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
+ *
+ * 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
+ * JAKUB JELINEK OR DAVID MILLER 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.
+ *
+ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sunffb/ffb_loops.h,v 1.1 2000/05/18 23:21:37 dawes Exp $ */
+
+#ifndef FFBLOOPS_H
+#define FFBLOOPS_H
+
+#ifdef USE_VIS
+extern void FFB_STIPPLE_LOAD(volatile unsigned int *d,
+			     unsigned int *s);
+
+extern void FFB_PPT_BOX_LOOP(FFBPtr ffbpriv,
+			     ffb_fbcPtr ffb,
+			     BoxPtr pbox, BoxPtr pbox_last,
+			     DDXPointPtr ppt);
+
+extern void FFB_BOX_LOOP(FFBPtr ffbpriv,
+			 ffb_fbcPtr ffb,
+			 BoxPtr pbox,
+			 BoxPtr pbox_last);
+
+extern void FFB_RECT_LOOP(FFBPtr ffbpriv,
+			  ffb_fbcPtr ffb,
+			  xRectangle *prect,
+			  xRectangle *prect_last,
+			  int xOrg, int yOrg);
+
+extern void FFB_PPT_WIDTH_LOOP(FFBPtr ffbpriv,
+			       ffb_fbcPtr ffb,
+			       DDXPointPtr ppt, DDXPointPtr ppt_last,
+			       int *pwidth);
+
+extern DDXPointPtr FFB_PPT_LOOP1(FFBPtr ffbpriv,
+				 ffb_fbcPtr ffb,
+				 DDXPointPtr ppt, DDXPointPtr ppt_last,
+				 int xOrg, int yOrg);
+
+extern DDXPointPtr FFB_PPT_LOOP2(FFBPtr ffbpriv,
+				 ffb_fbcPtr ffb,
+				 DDXPointPtr ppt, DDXPointPtr ppt_last,
+				 int x, int y);
+
+extern DDXPointPtr FFB_LINE_LOOP1(FFBPtr ffbpriv,
+				  ffb_fbcPtr ffb,
+				  DDXPointPtr ppt, DDXPointPtr ppt_last,
+				  int xOrg, int yOrg);
+
+extern DDXPointPtr FFB_LINE_LOOP2(FFBPtr ffbpriv,
+				  ffb_fbcPtr ffb,
+				  DDXPointPtr ppt, DDXPointPtr ppt_last,
+				  int *x, int *y);
+
+#else /* !USE_VIS */
+
+#define FFB_STIPPLE_LOAD(_d,_s)				\
+do {							\
+	volatile unsigned int *d = (_d);		\
+	unsigned int *s = (_s);				\
+	int i;						\
+							\
+	for (i = 0; i < (32 / 2); i++, d+=2, s+=2)	\
+		FFB_WRITE64(d, s[0], s[1]);		\
+} while (0)
+
+#define FFB_PPT_BOX_LOOP(pFfb, ffb, pbox, _pbox_last, ppt)				\
+do {											\
+	BoxPtr pbox_last = (BoxPtr)(_pbox_last);					\
+	while (pbox <= pbox_last) {							\
+		FFBFifo(pFfb, 7);							\
+		ffb->drawop = FFB_DRAWOP_VSCROLL;					\
+		FFB_WRITE64(&ffb->by, ppt->y, ppt->x);					\
+		FFB_WRITE64_2(&ffb->dy, pbox->y1, pbox->x1);				\
+		FFB_WRITE64_3(&ffb->bh, (pbox->y2 - pbox->y1), (pbox->x2 - pbox->x1));	\
+		pbox++; ppt++;								\
+	}										\
+} while (0)
+
+#define FFB_BOX_LOOP(pFfb, ffb, pbox, _pbox_last)					\
+do {											\
+	BoxPtr pbox_last = (BoxPtr)(_pbox_last);					\
+	while (pbox <= pbox_last) {							\
+		FFBFifo(pFfb, 4);							\
+		FFB_WRITE64(&ffb->by, pbox->y1, pbox->x1);				\
+		FFB_WRITE64_2(&ffb->bh, (pbox->y2 - pbox->y1), (pbox->x2 - pbox->x1));	\
+		pbox++;									\
+	}										\
+} while (0)
+
+#define FFB_RECT_LOOP(pFfb, ffb, prect, _prect_last, xOrg, yOrg)			\
+do {											\
+	xRectangle *prect_last = (xRectangle *)(_prect_last);				\
+	for (; prect <= prect_last; prect++) {						\
+		register int x, y, w, h;						\
+		x = prect->x + xOrg;							\
+		y = prect->y + yOrg;							\
+		w = prect->width;							\
+		h = prect->height;							\
+		if (extents->x2 <= x ||							\
+		    extents->x1 >= x + w ||						\
+		    extents->y2 <= y ||							\
+		    extents->y1 >= y + h)						\
+			continue;							\
+		FFBFifo(pFfb, 4);							\
+		FFB_WRITE64(&ffb->by, y, x);						\
+		FFB_WRITE64_2(&ffb->bh, h, w);						\
+	}										\
+} while (0)
+
+#define FFB_PPT_WIDTH_LOOP(pFfb, ffb, ppt, _ppt_last, pwidth)			\
+do {											\
+	DDXPointPtr ppt_last = (DDXPointPtr)(_ppt_last);				\
+	while (ppt <= ppt_last) {							\
+		register int x, y, w;							\
+		x = ppt->x;								\
+		y = ppt->y;								\
+		w = *pwidth++;								\
+		FFBFifo(pFfb, 5);							\
+		ffb->ppc = 0;								\
+		FFB_WRITE64(&ffb->by, y, x);						\
+		FFB_WRITE64_2(&ffb->bh, y, (x + w));					\
+		ppt++;									\
+	}										\
+} while (0)
+
+static __inline__ DDXPointPtr FFB_PPT_LOOP1(FFBPtr pFfb,
+				 ffb_fbcPtr ffb,
+				 DDXPointPtr ppt, DDXPointPtr ppt_last,
+				 int xOrg, int yOrg)
+{
+	while (ppt <= ppt_last) {
+		FFBFifo(pFfb, 2);
+		FFB_WRITE64_2(&ffb->bh, (ppt->y + yOrg), (ppt->x + xOrg));
+		ppt++;
+	}
+	return ppt;
+}
+
+static __inline__ DDXPointPtr FFB_PPT_LOOP2(FFBPtr pFfb,
+					    ffb_fbcPtr ffb,
+					    DDXPointPtr ppt, DDXPointPtr ppt_last,
+					    int x, int y)
+{
+	register int __x = x, __y = y;
+	while (ppt <= ppt_last) {
+		FFBFifo(pFfb, 2);
+		__x += ppt->x;
+		__y += ppt->y;
+		FFB_WRITE64_2(&ffb->bh, __y, __x);
+		ppt++;
+	}
+	return ppt;
+}
+
+static __inline__ DDXPointPtr FFB_LINE_LOOP1(FFBPtr pFfb,
+					     ffb_fbcPtr ffb,
+					     DDXPointPtr ppt, DDXPointPtr ppt_last,
+					     int xOrg, int yOrg)
+{
+	while (ppt <= ppt_last) {
+		FFBFifo(pFfb, 3);
+		ffb->ppc = 0;
+		FFB_WRITE64_2(&ffb->bh, (ppt->y + yOrg), (ppt->x + xOrg));
+		ppt++;
+	}
+	return ppt;
+}
+
+static __inline__ DDXPointPtr FFB_LINE_LOOP2(FFBPtr pFfb,
+					     ffb_fbcPtr ffb,
+					     DDXPointPtr ppt, DDXPointPtr ppt_last,
+					     int *x, int *y)
+{
+	register int __x = *x, __y = *y;
+	while (ppt <= ppt_last) {
+		FFBFifo(pFfb, 3);
+		ffb->ppc = 0;
+		__x += ppt->x;
+		__y += ppt->y;
+		FFB_WRITE64_2(&ffb->bh, __y, __x);
+		ppt++;
+	}
+	*x = __x;
+	*y = __y;
+	return ppt;
+}
+
+#endif /* !USE_VIS */
+
+#endif /* FFBLOOPS_H */