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    /* Emit buffered drawing commands, and any back copies.
  54     */
  55    svga_surfaces_flush( svga );
  56
  57 #if 0
  58    srcsurf = screen->get_tex_surface(screen, src_tex,
  59                                      src_level, src_box->z, src_box->z,
  60                                      PIPE_BIND_SAMPLER_VIEW);
  61
  62    dstsurf = screen->get_tex_surface(screen, dst_tex,
  63                                      dst_level, dst_box->z, dst_box->z,
  64                                      PIPE_BIND_RENDER_TARGET);
  65
  66    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  67             svga_surface(dstsurf)->handle,
  68             dstx, dsty,
  69             svga_surface(srcsurf)->handle,
  70             src_box->x, src_box->y,
  71             width, height);
  72
  73    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  74                                  srcsurf,
  75                                  dstsurf,
  76                                  &box,
  77                                  1);
  78    if(ret != PIPE_OK) {
  79
  80       svga_context_flush(svga, NULL);
  81
  82       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  83                                     srcsurf,
  84                                     dstsurf,
  85                                     &box,
  86                                     1);
  87       assert(ret == PIPE_OK);
  88    }
  89
  90    box->x = dstx;
  91    box->y = dsty;
  92    box->z = 0;
  93    box->w = width;
  94    box->h = height;
  95    box->d = 1;
  96    box->srcx = src_box->x;
  97    box->srcy = src_box->y;
  98    box->srcz = 0;
  99
 100    SVGA_FIFOCommitAll(svga->swc);
 101
 102    svga_surface(dstsurf)->dirty = TRUE;
 103    svga_propagate_surface(pipe, dstsurf);
 104
 105    pipe_surface_reference(&srcsurf, NULL);
 106    pipe_surface_reference(&dstsurf, NULL);
 107
 108 #else
 109    if (src_tex->target == PIPE_TEXTURE_CUBE) {
 110       src_face = src_box->z;
 111       src_z = 0;
 112       assert(src_box->depth == 1);
 113    }
 114    else {
 115       src_face = 0;
 116       src_z = src_box->z;
 117    }
 118    /* different src/dst type???*/
 119    if (dst_tex->target == PIPE_TEXTURE_CUBE) {
 120       dst_face = dstz;
 121       dst_z = 0;
 122       assert(src_box->depth == 1);
 123    }
 124    else {
 125       dst_face = 0;
 126       dst_z = dstz;
 127    }
 128    svga_texture_copy_handle(svga,
 129                             stex->handle,
 130                             src_box->x, src_box->y, src_z,
 131                             src_level, src_face,
 132                             dtex->handle,
 133                             dstx, dsty, dst_z,
 134                             dst_level, dst_face,
 135                             src_box->width, src_box->height, src_box->depth);
 136
 137 #endif
 138
 139 }
 140
 141
 142 void
 143 svga_init_blit_functions(struct svga_context *svga)
 144 {
 145    svga->pipe.resource_copy_region = svga_surface_copy;
 146 }