src/gallium/drivers/svga/svga_pipe_blit.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "svga_screen_texture.h"
  27 #include "svga_context.h"
  28 #include "svga_debug.h"
  29 #include "svga_cmd.h"
  30
  31 #define FILE_DEBUG_FLAG DEBUG_BLIT
  32
  33
  34 static void svga_surface_copy(struct pipe_context *pipe,
  35                               struct pipe_surface *dest,
  36                               unsigned destx, unsigned desty,
  37                               struct pipe_surface *src,
  38                               unsigned srcx, unsigned srcy,
  39                               unsigned width, unsigned height)
  40 {
  41    struct svga_context *svga = svga_context(pipe);
  42    SVGA3dCopyBox *box;
  43    enum pipe_error ret;
  44
  45    svga_hwtnl_flush_retry( svga );
  46
  47    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  48             svga_surface(dest)->handle,
  49             destx, desty,
  50             svga_surface(src)->handle,
  51             srcx, srcy,
  52             width, height);
  53
  54    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  55                                  src,
  56                                  dest,
  57                                  &box,
  58                                  1);
  59    if(ret != PIPE_OK) {
  60
  61       svga_context_flush(svga, NULL);
  62
  63       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  64                                     src,
  65                                     dest,
  66                                     &box,
  67                                     1);
  68       assert(ret == PIPE_OK);
  69    }
  70
  71    box->x = destx;
  72    box->y = desty;
  73    box->z = 0;
  74    box->w = width;
  75    box->h = height;
  76    box->d = 1;
  77    box->srcx = srcx;
  78    box->srcy = srcy;
  79    box->srcz = 0;
  80
  81    SVGA_FIFOCommitAll(svga->swc);
  82
  83    svga_surface(dest)->dirty = TRUE;
  84    svga_propagate_surface(pipe, dest);
  85 }
  86
  87
  88 void
  89 svga_init_blit_functions(struct svga_context *svga)
  90 {
  91    svga->pipe.surface_copy = svga_surface_copy;
  92 }