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, *dtex;
  48 /*   struct pipe_screen *screen = pipe->screen;
  49    SVGA3dCopyBox *box;
  50    enum pipe_error ret;
  51    struct pipe_surface *srcsurf, *dstsurf;*/
  52    unsigned dst_face, dst_z, src_face, src_z;
  53
  54    /* Emit buffered drawing commands, and any back copies.
  55     */
  56    svga_surfaces_flush( svga );
  57
  58    /* Fallback for buffers. */
  59    if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
  60       util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
  61                                 src_tex, src_level, src_box);
  62       return;
  63    }
  64
  65    stex = svga_texture(src_tex);
  66    dtex = svga_texture(dst_tex);
  67
  68 #if 0
  69    srcsurf = screen->get_tex_surface(screen, src_tex,
  70                                      src_level, src_box->z, src_box->z,
  71                                      PIPE_BIND_SAMPLER_VIEW);
  72
  73    dstsurf = screen->get_tex_surface(screen, dst_tex,
  74                                      dst_level, dst_box->z, dst_box->z,
  75                                      PIPE_BIND_RENDER_TARGET);
  76
  77    SVGA_DBG(DEBUG_DMA, "blit to sid %p (%d,%d), from sid %p (%d,%d) sz %dx%d\n",
  78             svga_surface(dstsurf)->handle,
  79             dstx, dsty,
  80             svga_surface(srcsurf)->handle,
  81             src_box->x, src_box->y,
  82             width, height);
  83
  84    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  85                                  srcsurf,
  86                                  dstsurf,
  87                                  &box,
  88                                  1);
  89    if(ret != PIPE_OK) {
  90
  91       svga_context_flush(svga, NULL);
  92
  93       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  94                                     srcsurf,
  95                                     dstsurf,
  96                                     &box,
  97                                     1);
  98       assert(ret == PIPE_OK);
  99    }
 100
 101    box->x = dstx;
 102    box->y = dsty;
 103    box->z = 0;
 104    box->w = width;
 105    box->h = height;
 106    box->d = 1;
 107    box->srcx = src_box->x;
 108    box->srcy = src_box->y;
 109    box->srcz = 0;
 110
 111    SVGA_FIFOCommitAll(svga->swc);
 112
 113    svga_surface(dstsurf)->dirty = TRUE;
 114    svga_propagate_surface(pipe, dstsurf);
 115
 116    pipe_surface_reference(&srcsurf, NULL);
 117    pipe_surface_reference(&dstsurf, NULL);
 118
 119 #else
 120    if (src_tex->target == PIPE_TEXTURE_CUBE) {
 121       src_face = src_box->z;
 122       src_z = 0;
 123       assert(src_box->depth == 1);
 124    }
 125    else {
 126       src_face = 0;
 127       src_z = src_box->z;
 128    }
 129    /* different src/dst type???*/
 130    if (dst_tex->target == PIPE_TEXTURE_CUBE) {
 131       dst_face = dstz;
 132       dst_z = 0;
 133       assert(src_box->depth == 1);
 134    }
 135    else {
 136       dst_face = 0;
 137       dst_z = dstz;
 138    }
 139    svga_texture_copy_handle(svga,
 140                             stex->handle,
 141                             src_box->x, src_box->y, src_z,
 142                             src_level, src_face,
 143                             dtex->handle,
 144                             dstx, dsty, dst_z,
 145                             dst_level, dst_face,
 146                             src_box->width, src_box->height, src_box->depth);
 147
 148 #endif
 149
 150 }
 151
 152
 153 void
 154 svga_init_blit_functions(struct svga_context *svga)
 155 {
 156    svga->pipe.resource_copy_region = svga_surface_copy;
 157 }