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 still have doubts about this... */
  36 static void svga_surface_copy(struct pipe_context *pipe,
  37                               struct pipe_resource* dst_tex,
  38                               unsigned dst_level,
  39                               unsigned dstx, unsigned dsty, unsigned dstz,
  40                               struct pipe_resource* src_tex,
  41                               unsigned src_level,
  42                               const struct pipe_box *src_box)
  43  {
  44    struct svga_context *svga = svga_context(pipe);
  45    struct svga_texture *stex = svga_texture(src_tex);
  46    struct svga_texture *dtex = svga_texture(dst_tex);
  47 /*   struct pipe_screen *screen = pipe->screen;
  48    SVGA3dCopyBox *box;
  49    enum pipe_error ret;
  50    struct pipe_surface *srcsurf, *dstsurf;*/
  51    unsigned dst_face, dst_z, src_face, src_z;
  52
  53    svga_hwtnl_flush_retry( svga );
  54
  55 #if 0
  56    srcsurf = screen->get_tex_surface(screen, src_tex,
  57                                      src_level, src_box->z, src_box->z,
  58                                      PIPE_BIND_SAMPLER_VIEW);
  59
  60    dstsurf = screen->get_tex_surface(screen, dst_tex,
  61                                      dst_level, dst_box->z, dst_box->z,
  62                                      PIPE_BIND_RENDER_TARGET);
  63
  64    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  65             svga_surface(dstsurf)->handle,
  66             dstx, dsty,
  67             svga_surface(srcsurf)->handle,
  68             src_box->x, src_box->y,
  69             width, height);
  70
  71    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  72                                  srcsurf,
  73                                  dstsurf,
  74                                  &box,
  75                                  1);
  76    if(ret != PIPE_OK) {
  77
  78       svga_context_flush(svga, NULL);
  79
  80       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  81                                     srcsurf,
  82                                     dstsurf,
  83                                     &box,
  84                                     1);
  85       assert(ret == PIPE_OK);
  86    }
  87
  88    box->x = dstx;
  89    box->y = dsty;
  90    box->z = 0;
  91    box->w = width;
  92    box->h = height;
  93    box->d = 1;
  94    box->srcx = src_box->x;
  95    box->srcy = src_box->y;
  96    box->srcz = 0;
  97
  98    SVGA_FIFOCommitAll(svga->swc);
  99
 100    svga_surface(dstsurf)->dirty = TRUE;
 101    svga_propagate_surface(pipe, dstsurf);
 102
 103    pipe_surface_reference(&srcsurf, NULL);
 104    pipe_surface_reference(&dstsurf, NULL);
 105
 106 #else
 107    if (src_tex->target == PIPE_TEXTURE_CUBE) {
 108       src_face = src_box->z;
 109       src_z = 0;
 110       assert(src_box->depth == 1);
 111    }
 112    else {
 113       src_face = 0;
 114       src_z = src_box->z;
 115    }
 116    /* different src/dst type???*/
 117    if (dst_tex->target == PIPE_TEXTURE_CUBE) {
 118       dst_face = dstz;
 119       dst_z = 0;
 120       assert(src_box->depth == 1);
 121    }
 122    else {
 123       dst_face = 0;
 124       dst_z = dstz;
 125    }
 126    svga_texture_copy_handle(svga,
 127                             stex->handle,
 128                             src_box->x, src_box->y, src_z,
 129                             src_level, src_face,
 130                             dtex->handle,
 131                             dstx, dsty, dst_z,
 132                             dst_level, dst_face,
 133                             src_box->width, src_box->height, src_box->depth);
 134
 135 #endif
 136
 137 }
 138
 139
 140 void
 141 svga_init_blit_functions(struct svga_context *svga)
 142 {
 143    svga->pipe.resource_copy_region = svga_surface_copy;
 144 }