From e44bdcf9789caf9971c3c94605fbff7ce66af7ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel@tungstengraphics.com>
Date: Fri, 18 Jan 2008 19:08:30 +0100
Subject: Unify copy_rect helpers.

Some of the copies were buggy.
---
 src/mesa/pipe/softpipe/sp_surface.c | 63 +++++++------------------------------
 1 file changed, 12 insertions(+), 51 deletions(-)

(limited to 'src/mesa/pipe/softpipe')

diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c
index a580fb3e82..d5119654ed 100644
--- a/src/mesa/pipe/softpipe/sp_surface.c
+++ b/src/mesa/pipe/softpipe/sp_surface.c
@@ -72,45 +72,6 @@ softpipe_get_tex_surface(struct pipe_context *pipe,
 }
 
 
-/**
- * Copy 2D rect from one place to another.
- * Position and sizes are in pixels.
- */
-static void
-copy_rect(ubyte * dst,
-          unsigned cpp,
-          unsigned dst_pitch,
-          unsigned dst_x,
-          unsigned dst_y,
-          unsigned width,
-          unsigned height,
-          const ubyte * src,
-          unsigned src_pitch,
-          unsigned src_x, 
-          unsigned src_y)
-{
-   unsigned i;
-
-   dst_pitch *= cpp;
-   src_pitch *= cpp;
-   dst += dst_x * cpp;
-   src += src_x * cpp;
-   dst += dst_y * dst_pitch;
-   src += src_y * src_pitch;
-   width *= cpp;
-
-   if (width == dst_pitch && width == src_pitch)
-      memcpy(dst, src, height * width);
-   else {
-      for (i = 0; i < height; i++) {
-         memcpy(dst, src, width);
-         dst += dst_pitch;
-         src += src_pitch;
-      }
-   }
-}
-
-
 /* Upload data to a rectangular sub-region.  Lots of choices how to do this:
  *
  * - memcpy by span to current destination
@@ -125,10 +86,10 @@ sp_surface_data(struct pipe_context *pipe,
 		const void *src, unsigned src_pitch,
 		unsigned srcx, unsigned srcy, unsigned width, unsigned height)
 {
-   copy_rect(pipe_surface_map(dst),
-             dst->cpp,
-             dst->pitch,
-             dstx, dsty, width, height, src, src_pitch, srcx, srcy);
+   pipe_copy_rect(pipe_surface_map(dst),
+                  dst->cpp,
+                  dst->pitch,
+                  dstx, dsty, width, height, src, src_pitch, srcx, srcy);
 
    pipe_surface_unmap(dst);
 }
@@ -145,14 +106,14 @@ sp_surface_copy(struct pipe_context *pipe,
 {
    assert( dst->cpp == src->cpp );
 
-   copy_rect(pipe_surface_map(dst),
-             dst->cpp,
-             dst->pitch,
-             dstx, dsty,
-             width, height,
-             pipe_surface_map(src),
-             src->pitch,
-             srcx, srcy);
+   pipe_copy_rect(pipe_surface_map(dst),
+                  dst->cpp,
+                  dst->pitch,
+                  dstx, dsty,
+                  width, height,
+                  pipe_surface_map(src),
+                  src->pitch,
+                  srcx, srcy);
 
    pipe_surface_unmap(src);
    pipe_surface_unmap(dst);
-- 
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