Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. /**********************************************************
  2.  * Copyright 2008-2012 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 "util/u_debug.h"
  27.  
  28. #include "svga_resource.h"
  29. #include "svga_resource_buffer.h"
  30. #include "svga_resource_texture.h"
  31. #include "svga_context.h"
  32. #include "svga_screen.h"
  33. #include "svga_format.h"
  34.  
  35.  
  36. static struct pipe_resource *
  37. svga_resource_create(struct pipe_screen *screen,
  38.                      const struct pipe_resource *template)
  39. {
  40.    if (template->target == PIPE_BUFFER)
  41.       return svga_buffer_create(screen, template);
  42.    else
  43.       return svga_texture_create(screen, template);
  44. }
  45.  
  46.  
  47. static struct pipe_resource *
  48. svga_resource_from_handle(struct pipe_screen * screen,
  49.                           const struct pipe_resource *template,
  50.                           struct winsys_handle *whandle)
  51. {
  52.    if (template->target == PIPE_BUFFER)
  53.       return NULL;
  54.    else
  55.       return svga_texture_from_handle(screen, template, whandle);
  56. }
  57.  
  58.  
  59. /**
  60.  * Check if a resource (texture, buffer) of the given size
  61.  * and format can be created.
  62.  * \Return TRUE if OK, FALSE if too large.
  63.  */
  64. static boolean
  65. svga_can_create_resource(struct pipe_screen *screen,
  66.                          const struct pipe_resource *res)
  67. {
  68.    struct svga_screen *svgascreen = svga_screen(screen);
  69.    struct svga_winsys_screen *sws = svgascreen->sws;
  70.    SVGA3dSurfaceFormat format;
  71.    SVGA3dSize base_level_size;
  72.    uint32 numFaces;
  73.    uint32 numMipLevels;
  74.  
  75.    if (res->target == PIPE_BUFFER) {
  76.       format = SVGA3D_BUFFER;
  77.       base_level_size.width = res->width0;
  78.       base_level_size.height = 1;
  79.       base_level_size.depth = 1;
  80.       numFaces = 1;
  81.       numMipLevels = 1;
  82.  
  83.    } else {
  84.       format = svga_translate_format(svgascreen, res->format, res->bind);
  85.       if (format == SVGA3D_FORMAT_INVALID)
  86.          return FALSE;
  87.  
  88.       base_level_size.width = res->width0;
  89.       base_level_size.height = res->height0;
  90.       base_level_size.depth = res->depth0;
  91.       numFaces = (res->target == PIPE_TEXTURE_CUBE) ? 6 : 1;
  92.       numMipLevels = res->last_level + 1;
  93.    }
  94.  
  95.    return sws->surface_can_create(sws, format, base_level_size,
  96.                                   numFaces, numMipLevels);
  97. }
  98.  
  99.  
  100. void
  101. svga_init_resource_functions(struct svga_context *svga)
  102. {
  103.    svga->pipe.transfer_map = u_transfer_map_vtbl;
  104.    svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl;
  105.    svga->pipe.transfer_unmap = u_transfer_unmap_vtbl;
  106.    svga->pipe.transfer_inline_write = u_transfer_inline_write_vtbl;
  107. }
  108.  
  109. void
  110. svga_init_screen_resource_functions(struct svga_screen *is)
  111. {
  112.    is->screen.resource_create = svga_resource_create;
  113.    is->screen.resource_from_handle = svga_resource_from_handle;
  114.    is->screen.resource_get_handle = u_resource_get_handle_vtbl;
  115.    is->screen.resource_destroy = u_resource_destroy_vtbl;
  116.    is->screen.can_create_resource = svga_can_create_resource;
  117. }
  118.