render: Delete renderedge.[ch]

The functions in these files have not been used since trap
rasterization was moved to pixman. They survived until now to preserve
the server abi.

Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
Reviewed-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Signed-off-by: Søren Sandmann <ssp@redhat.com>

3 files changed, 2 insertions, 199 deletions

diff --git a/render/Makefile.am b/render/Makefile.am
index 216c6134e..d02028b3b 100644
--- a/render/Makefile.am
+++ b/render/Makefile.am
@@ -13,9 +13,8 @@ librender_la_SOURCES =	\
 	mitrap.c	\
 	mitri.c		\
 	picture.c	\
-	render.c	\
-	renderedge.c
+	render.c
 
 if XORG
-sdk_HEADERS = picture.h mipict.h glyphstr.h picturestr.h renderedge.h
+sdk_HEADERS = picture.h mipict.h glyphstr.h picturestr.h
 endif
diff --git a/render/renderedge.c b/render/renderedge.c
deleted file mode 100644
index 8771fe164..000000000
--- a/render/renderedge.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "renderedge.h"
-
-/*
- * Compute the smallest value no less than y which is on a
- * grid row
- */
-
-xFixed
-RenderSampleCeilY (xFixed y, int n)
-{
-    return pixman_sample_ceil_y (y, n);
-}
-
-#define _div(a,b)    ((a) >= 0 ? (a) / (b) : -((-(a) + (b) - 1) / (b)))
-
-/*
- * Compute the largest value no greater than y which is on a
- * grid row
- */
-xFixed
-RenderSampleFloorY (xFixed y, int n)
-{
-    return pixman_sample_floor_y (y, n);
-}
-
-/*
- * Step an edge by any amount (including negative values)
- */
-void
-RenderEdgeStep (RenderEdge *e, int n)
-{
-    pixman_edge_step (e, n);
-}
-
-/*
- * Initialize one edge structure given the line endpoints and a
- * starting y value
- */
-void
-RenderEdgeInit (RenderEdge	*e,
-		int		n,
-		xFixed		y_start,
-		xFixed		x_top,
-		xFixed		y_top,
-		xFixed		x_bot,
-		xFixed		y_bot)
-{
-    pixman_edge_init (e, n, y_start, x_top, y_top, x_bot, y_bot);
-}
-
-/*
- * Initialize one edge structure given a line, starting y value
- * and a pixel offset for the line
- */
-void
-RenderLineFixedEdgeInit (RenderEdge *e,
-			 int	    n,
-			 xFixed	    y,
-			 xLineFixed *line,
-			 int	    x_off,
-			 int	    y_off)
-{
-    pixman_line_fixed_edge_init (e, n, y, (pixman_line_fixed_t *)line, x_off, y_off);
-}
-
diff --git a/render/renderedge.h b/render/renderedge.h
deleted file mode 100644
index 6585aeb90..000000000
--- a/render/renderedge.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef _RENDEREDGE_H_
-#define _RENDEREDGE_H_
-
-#include "picturestr.h"
-
-#define MAX_ALPHA(n)	((1 << (n)) - 1)
-#define N_Y_FRAC(n)	((n) == 1 ? 1 : (1 << ((n)/2)) - 1)
-#define N_X_FRAC(n)	((1 << ((n)/2)) + 1)
-
-#define STEP_Y_SMALL(n)	(xFixed1 / N_Y_FRAC(n))
-#define STEP_Y_BIG(n)	(xFixed1 - (N_Y_FRAC(n) - 1) * STEP_Y_SMALL(n))
-
-#define Y_FRAC_FIRST(n)	(STEP_Y_SMALL(n) / 2)
-#define Y_FRAC_LAST(n)	(Y_FRAC_FIRST(n) + (N_Y_FRAC(n) - 1) * STEP_Y_SMALL(n))
-
-#define STEP_X_SMALL(n)	(xFixed1 / N_X_FRAC(n))
-#define STEP_X_BIG(n)	(xFixed1 - (N_X_FRAC(n) - 1) * STEP_X_SMALL(n))
-
-#define X_FRAC_FIRST(n)	(STEP_X_SMALL(n) / 2)
-#define X_FRAC_LAST(n)	(X_FRAC_FIRST(n) + (N_X_FRAC(n) - 1) * STEP_X_SMALL(n))
-
-#define RenderSamplesX(x,n)	((n) == 1 ? 0 : (xFixedFrac (x) + X_FRAC_FIRST(n)) / STEP_X_SMALL(n))
-
-/*
- * An edge structure.  This represents a single polygon edge
- * and can be quickly stepped across small or large gaps in the
- * sample grid
- */
-typedef pixman_edge_t RenderEdge;
-
-/*
- * Step across a small sample grid gap
- */
-#define RenderEdgeStepSmall(edge) { \
-    edge->x += edge->stepx_small;   \
-    edge->e += edge->dx_small;	    \
-    if (edge->e > 0)		    \
-    {				    \
-	edge->e -= edge->dy;	    \
-	edge->x += edge->signdx;    \
-    }				    \
-}
-
-/*
- * Step across a large sample grid gap
- */
-#define RenderEdgeStepBig(edge) {   \
-    edge->x += edge->stepx_big;	    \
-    edge->e += edge->dx_big;	    \
-    if (edge->e > 0)		    \
-    {				    \
-	edge->e -= edge->dy;	    \
-	edge->x += edge->signdx;    \
-    }				    \
-}
-
-extern _X_EXPORT xFixed
-RenderSampleCeilY (xFixed y, int bpp);
-
-extern _X_EXPORT xFixed
-RenderSampleFloorY (xFixed y, int bpp);
-
-extern _X_EXPORT void
-RenderEdgeStep (RenderEdge *e, int n);
-
-extern _X_EXPORT void
-RenderEdgeInit (RenderEdge	*e,
-		int		bpp,
-		xFixed		y_start,
-		xFixed		x_top,
-		xFixed		y_top,
-		xFixed		x_bot,
-		xFixed		y_bot);
-
-extern _X_EXPORT void
-RenderLineFixedEdgeInit (RenderEdge *e,
-			 int	    bpp,
-			 xFixed	    y,
-			 xLineFixed *line,
-			 int	    x_off,
-			 int	    y_off);
-
-#endif /* _RENDEREDGE_H_ */