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 /* XXX I got my doubts about this, should maybe use svga_texture_copy_handle directly? */
  36 static void svga_surface_copy(struct pipe_context *pipe,
  37                               struct pipe_resource* dst_tex,
  38                               struct pipe_subresource subdst,
  39                               unsigned dstx, unsigned dsty, unsigned dstz,
  40                               struct pipe_resource* src_tex,
  41                               struct pipe_subresource subsrc,
  42                               unsigned srcx, unsigned srcy, unsigned srcz,
  43                               unsigned width, unsigned height)
  44 {
  45    struct svga_context *svga = svga_context(pipe);
  46    struct pipe_screen *screen = pipe->screen;
  47    SVGA3dCopyBox *box;
  48    enum pipe_error ret;
  49    struct pipe_surface *srcsurf, *dstsurf;
  50
  51    svga_hwtnl_flush_retry( svga );
  52
  53    srcsurf = screen->get_tex_surface(screen, src_tex,
  54                                      subsrc.face, subsrc.level, srcz,
  55                                      PIPE_BIND_SAMPLER_VIEW);
  56
  57    dstsurf = screen->get_tex_surface(screen, dst_tex,
  58                                      subdst.face, subdst.level, dstz,
  59                                      PIPE_BIND_RENDER_TARGET);
  60
  61    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  62             svga_surface(dstsurf)->handle,
  63             dstx, dsty,
  64             svga_surface(srcsurf)->handle,
  65             srcx, srcy,
  66             width, height);
  67
  68    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  69                                  srcsurf,
  70                                  dstsurf,
  71                                  &box,
  72                                  1);
  73    if(ret != PIPE_OK) {
  74
  75       svga_context_flush(svga, NULL);
  76
  77       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  78                                     srcsurf,
  79                                     dstsurf,
  80                                     &box,
  81                                     1);
  82       assert(ret == PIPE_OK);
  83    }
  84
  85    box->x = dstx;
  86    box->y = dsty;
  87    box->z = 0;
  88    box->w = width;
  89    box->h = height;
  90    box->d = 1;
  91    box->srcx = srcx;
  92    box->srcy = srcy;
  93    box->srcz = 0;
  94
  95    SVGA_FIFOCommitAll(svga->swc);
  96
  97    svga_surface(dstsurf)->dirty = TRUE;
  98    svga_propagate_surface(pipe, dstsurf);
  99
 100    pipe_surface_reference(&srcsurf, NULL);
 101    pipe_surface_reference(&dstsurf, NULL);
 102
 103 }
 104
 105
 106 void
 107 svga_init_blit_functions(struct svga_context *svga)
 108 {
 109    svga->pipe.resource_copy_region = svga_surface_copy;
 110 }