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_resource_texture.h"
  27 #include "svga_context.h"
  28 #include "svga_debug.h"
  29 #include "svga_cmd.h"
  30 #include "svga_surface.h"
  31
  32 #define FILE_DEBUG_FLAG DEBUG_BLIT
  33
  34
  35 static void svga_surface_copy(struct pipe_context *pipe,
  36                               struct pipe_surface *dest,
  37                               unsigned destx, unsigned desty,
  38                               struct pipe_surface *src,
  39                               unsigned srcx, unsigned srcy,
  40                               unsigned width, unsigned height)
  41 {
  42    struct svga_context *svga = svga_context(pipe);
  43    SVGA3dCopyBox *box;
  44    enum pipe_error ret;
  45
  46    svga_hwtnl_flush_retry( svga );
  47
  48    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  49             svga_surface(dest)->handle,
  50             destx, desty,
  51             svga_surface(src)->handle,
  52             srcx, srcy,
  53             width, height);
  54
  55    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  56                                  src,
  57                                  dest,
  58                                  &box,
  59                                  1);
  60    if(ret != PIPE_OK) {
  61
  62       svga_context_flush(svga, NULL);
  63
  64       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  65                                     src,
  66                                     dest,
  67                                     &box,
  68                                     1);
  69       assert(ret == PIPE_OK);
  70    }
  71
  72    box->x = destx;
  73    box->y = desty;
  74    box->z = 0;
  75    box->w = width;
  76    box->h = height;
  77    box->d = 1;
  78    box->srcx = srcx;
  79    box->srcy = srcy;
  80    box->srcz = 0;
  81
  82    SVGA_FIFOCommitAll(svga->swc);
  83
  84    svga_surface(dest)->dirty = TRUE;
  85    svga_propagate_surface(pipe, dest);
  86 }
  87
  88
  89 void
  90 svga_init_blit_functions(struct svga_context *svga)
  91 {
  92    svga->pipe.surface_copy = svga_surface_copy;
  93 }