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 #include "util/u_surface.h"
  33
  34 #define FILE_DEBUG_FLAG DEBUG_BLIT
  35
  36
  37 /* XXX still have doubts about this... */
  38 static void svga_surface_copy(struct pipe_context *pipe,
  39                               struct pipe_resource* dst_tex,
  40                               unsigned dst_level,
  41                               unsigned dstx, unsigned dsty, unsigned dstz,
  42                               struct pipe_resource* src_tex,
  43                               unsigned src_level,
  44                               const struct pipe_box *src_box)
  45  {
  46    struct svga_context *svga = svga_context(pipe);
  47    struct svga_texture *stex = svga_texture(src_tex);
  48    struct svga_texture *dtex = svga_texture(dst_tex);
  49 /*   struct pipe_screen *screen = pipe->screen;
  50    SVGA3dCopyBox *box;
  51    enum pipe_error ret;
  52    struct pipe_surface *srcsurf, *dstsurf;*/
  53    unsigned dst_face, dst_z, src_face, src_z;
  54
  55    /* Emit buffered drawing commands, and any back copies.
  56     */
  57    svga_surfaces_flush( svga );
  58
  59    /* Fallback for buffers. */
  60    if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
  61       util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
  62                                 src_tex, src_level, src_box);
  63       return;
  64    }
  65
  66 #if 0
  67    srcsurf = screen->get_tex_surface(screen, src_tex,
  68                                      src_level, src_box->z, src_box->z,
  69                                      PIPE_BIND_SAMPLER_VIEW);
  70
  71    dstsurf = screen->get_tex_surface(screen, dst_tex,
  72                                      dst_level, dst_box->z, dst_box->z,
  73                                      PIPE_BIND_RENDER_TARGET);
  74
  75    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  76             svga_surface(dstsurf)->handle,
  77             dstx, dsty,
  78             svga_surface(srcsurf)->handle,
  79             src_box->x, src_box->y,
  80             width, height);
  81
  82    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  83                                  srcsurf,
  84                                  dstsurf,
  85                                  &box,
  86                                  1);
  87    if(ret != PIPE_OK) {
  88
  89       svga_context_flush(svga, NULL);
  90
  91       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  92                                     srcsurf,
  93                                     dstsurf,
  94                                     &box,
  95                                     1);
  96       assert(ret == PIPE_OK);
  97    }
  98
  99    box->x = dstx;
 100    box->y = dsty;
 101    box->z = 0;
 102    box->w = width;
 103    box->h = height;
 104    box->d = 1;
 105    box->srcx = src_box->x;
 106    box->srcy = src_box->y;
 107    box->srcz = 0;
 108
 109    SVGA_FIFOCommitAll(svga->swc);
 110
 111    svga_surface(dstsurf)->dirty = TRUE;
 112    svga_propagate_surface(pipe, dstsurf);
 113
 114    pipe_surface_reference(&srcsurf, NULL);
 115    pipe_surface_reference(&dstsurf, NULL);
 116
 117 #else
 118    if (src_tex->target == PIPE_TEXTURE_CUBE) {
 119       src_face = src_box->z;
 120       src_z = 0;
 121       assert(src_box->depth == 1);
 122    }
 123    else {
 124       src_face = 0;
 125       src_z = src_box->z;
 126    }
 127    /* different src/dst type???*/
 128    if (dst_tex->target == PIPE_TEXTURE_CUBE) {
 129       dst_face = dstz;
 130       dst_z = 0;
 131       assert(src_box->depth == 1);
 132    }
 133    else {
 134       dst_face = 0;
 135       dst_z = dstz;
 136    }
 137    svga_texture_copy_handle(svga,
 138                             stex->handle,
 139                             src_box->x, src_box->y, src_z,
 140                             src_level, src_face,
 141                             dtex->handle,
 142                             dstx, dsty, dst_z,
 143                             dst_level, dst_face,
 144                             src_box->width, src_box->height, src_box->depth);
 145
 146 #endif
 147
 148 }
 149
 150
 151 void
 152 svga_init_blit_functions(struct svga_context *svga)
 153 {
 154    svga->pipe.resource_copy_region = svga_surface_copy;
 155 }