src/gallium/drivers/llvmpipe/lp_surface.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "util/u_rect.h"
  29 #include "lp_context.h"
  30 #include "lp_flush.h"
  31 #include "lp_surface.h"
  32
  33
  34 static void
  35 lp_surface_copy(struct pipe_context *pipe,
  36                 struct pipe_surface *dest, unsigned destx, unsigned desty,
  37                 struct pipe_surface *src, unsigned srcx, unsigned srcy,
  38                 unsigned width, unsigned height)
  39 {
  40    llvmpipe_flush_texture(pipe,
  41                           dest->texture, dest->face, dest->level,
  42                           0, /* flush_flags */
  43                           FALSE, /* read_only */
  44                           FALSE, /* cpu_access */
  45                           FALSE); /* do_not_flush */
  46
  47    llvmpipe_flush_texture(pipe,
  48                           src->texture, src->face, src->level,
  49                           0, /* flush_flags */
  50                           TRUE, /* read_only */
  51                           FALSE, /* cpu_access */
  52                           FALSE); /* do_not_flush */
  53
  54    util_surface_copy(pipe, FALSE,
  55                      dest, destx, desty,
  56                      src, srcx, srcy,
  57                      width, height);
  58 }
  59
  60 void
  61 lp_init_surface_functions(struct llvmpipe_context *lp)
  62 {
  63    lp->pipe.surface_copy = lp_surface_copy;
  64    lp->pipe.surface_fill = util_surface_fill;
  65 }