From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 4 Sep 2008 16:32:29 +0000 (-0600)
Subject: softpipe: use the new util_surface_copy/fill() functions
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dd82c06ca371bacfda77d0eece5e29adee47e058;p=mesa.git

softpipe: use the new util_surface_copy/fill() functions
---

diff --git a/src/gallium/drivers/softpipe/sp_surface.c b/src/gallium/drivers/softpipe/sp_surface.c
index 389aceb27ce..6ade7326982 100644
--- a/src/gallium/drivers/softpipe/sp_surface.c
+++ b/src/gallium/drivers/softpipe/sp_surface.c
@@ -25,132 +25,14 @@
  * 
  **************************************************************************/
 
-#include "pipe/p_defines.h"
-#include "pipe/p_inlines.h"
-#include "pipe/p_winsys.h"
-#include "util/u_tile.h"
 #include "util/u_rect.h"
 #include "sp_context.h"
-#include "sp_surface.h"
 
 
 
-/**
- * Copy a rectangular region from one surface to another.
- * Surfaces must have same bpp.
- *
- * Note that it's always the case that Y=0=top of the raster.
- * If do_flip is non-zero, the region being copied will be flipped vertically.
- *
- * Assumes all values are within bounds -- no checking at this level -
- * do it higher up if required.
- */
-static void
-sp_surface_copy(struct pipe_context *pipe,
-                boolean do_flip,
-		struct pipe_surface *dst,
-		unsigned dstx, unsigned dsty,
-		struct pipe_surface *src,
-		unsigned srcx, unsigned srcy, unsigned width, unsigned height)
-{
-   void *dst_map = pipe->screen->surface_map( pipe->screen,
-                                              dst,
-                                              PIPE_BUFFER_USAGE_CPU_WRITE );
-
-   const void *src_map = pipe->screen->surface_map( pipe->screen,
-                                                    src,
-                                                    PIPE_BUFFER_USAGE_CPU_READ );
-
-   assert(dst->block.size == src->block.size);
-   assert(dst->block.width == src->block.width);
-   assert(dst->block.height == src->block.height);
-   assert(src_map);
-   assert(dst_map);
-
-   /* If do_flip, invert src_y position and pass negative src stride */
-   pipe_copy_rect(dst_map,
-                  &dst->block,
-                  dst->stride,
-                  dstx, dsty,
-                  width, height,
-                  src_map,
-                  do_flip ? -(int) src->stride : src->stride,
-                  srcx, srcy);
-
-   pipe->screen->surface_unmap(pipe->screen, src);
-   pipe->screen->surface_unmap(pipe->screen, dst);
-}
-
-
-static void *
-get_pointer(struct pipe_surface *dst, void *dst_map, unsigned x, unsigned y)
-{
-   return (char *)dst_map + y / dst->block.height * dst->stride + x / dst->block.width * dst->block.size;
-}
-
-
-#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
-
-
-/**
- * Fill a rectangular sub-region.  Need better logic about when to
- * push buffers into AGP - will currently do so whenever possible.
- */
-static void
-sp_surface_fill(struct pipe_context *pipe,
-		struct pipe_surface *dst,
-		unsigned dstx, unsigned dsty,
-		unsigned width, unsigned height, unsigned value)
-{
-   unsigned i, j;
-   void *dst_map = pipe->screen->surface_map( pipe->screen,
-                                              dst,
-                                              PIPE_BUFFER_USAGE_CPU_WRITE );
-
-   assert(dst->stride > 0);
-
-
-   switch (dst->block.size) {
-   case 1:
-   case 2:
-   case 4:
-      pipe_fill_rect(dst_map, &dst->block, dst->stride, dstx, dsty, width, height, value);
-      break;
-   case 8:
-      {
-         /* expand the 4-byte clear value to an 8-byte value */
-         ushort *row = (ushort *) get_pointer(dst, dst_map, dstx, dsty);
-         ushort val0 = UBYTE_TO_USHORT((value >>  0) & 0xff);
-         ushort val1 = UBYTE_TO_USHORT((value >>  8) & 0xff);
-         ushort val2 = UBYTE_TO_USHORT((value >> 16) & 0xff);
-         ushort val3 = UBYTE_TO_USHORT((value >> 24) & 0xff);
-         val0 = (val0 << 8) | val0;
-         val1 = (val1 << 8) | val1;
-         val2 = (val2 << 8) | val2;
-         val3 = (val3 << 8) | val3;
-         for (i = 0; i < height; i++) {
-            for (j = 0; j < width; j++) {
-               row[j*4+0] = val0;
-               row[j*4+1] = val1;
-               row[j*4+2] = val2;
-               row[j*4+3] = val3;
-            }
-            row += dst->stride/2;
-         }
-      }
-      break;
-   default:
-      assert(0);
-      break;
-   }
-
-   pipe->screen->surface_unmap(pipe->screen, dst);
-}
-
-
 void
 sp_init_surface_functions(struct softpipe_context *sp)
 {
-   sp->pipe.surface_copy = sp_surface_copy;
-   sp->pipe.surface_fill = sp_surface_fill;
+   sp->pipe.surface_copy = util_surface_copy;
+   sp->pipe.surface_fill = util_surface_fill;
 }