src/gallium/drivers/nv10/nv10_surface.c

   1
   2 /**************************************************************************
   3  *
   4  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #include "nv10_context.h"
  30 #include "pipe/p_defines.h"
  31 #include "pipe/internal/p_winsys_screen.h"
  32 #include "pipe/p_inlines.h"
  33 #include "util/u_tile.h"
  34
  35 static void
  36 nv10_surface_copy(struct pipe_context *pipe, boolean do_flip,
  37                   struct pipe_surface *dest, unsigned destx, unsigned desty,
  38                   struct pipe_surface *src, unsigned srcx, unsigned srcy,
  39                   unsigned width, unsigned height)
  40 {
  41         struct nv10_context *nv10 = nv10_context(pipe);
  42         struct nv04_surface_2d *eng2d = nv10->screen->eng2d;
  43
  44         if (do_flip) {
  45                 desty += height;
  46                 while (height--) {
  47                         eng2d->copy(eng2d, dest, destx, desty--, src,
  48                                     srcx, srcy++, width, 1);
  49                 }
  50                 return;
  51         }
  52
  53         eng2d->copy(eng2d, dest, destx, desty, src, srcx, srcy, width, height);
  54 }
  55
  56 static void
  57 nv10_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
  58                   unsigned destx, unsigned desty, unsigned width,
  59                   unsigned height, unsigned value)
  60 {
  61         struct nv10_context *nv10 = nv10_context(pipe);
  62         struct nv04_surface_2d *eng2d = nv10->screen->eng2d;
  63
  64         eng2d->fill(eng2d, dest, destx, desty, width, height, value);
  65 }
  66
  67 void
  68 nv10_init_surface_functions(struct nv10_context *nv10)
  69 {
  70         nv10->pipe.surface_copy = nv10_surface_copy;
  71         nv10->pipe.surface_fill = nv10_surface_fill;
  72 }