src/gallium/drivers/r300/r300_resource.c

   1 /*
   2  * Copyright 2010 Red Hat Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  */
  25 #include <stdio.h>
  26
  27 #include "util/u_inlines.h"
  28 #include "util/u_format.h"
  29 #include "util/u_memory.h"
  30 #include "util/u_upload_mgr.h"
  31 #include "util/u_math.h"
  32
  33 #include "r300_context.h"
  34 #include "r300_texture.h"
  35 #include "r300_screen.h"
  36 #include "r300_screen_buffer.h"
  37
  38 #include "r300_winsys.h"
  39
  40
  41
  42
  43 static struct pipe_resource *
  44 r300_resource_create(struct pipe_screen *screen,
  45                     const struct pipe_resource *template)
  46 {
  47    if (template->target == PIPE_BUFFER)
  48       return r300_buffer_create(screen, template);
  49    else
  50       return r300_texture_create(screen, template);
  51
  52 }
  53
  54 static struct pipe_resource *
  55 r300_resource_from_handle(struct pipe_screen * screen,
  56                          const struct pipe_resource *template,
  57                          struct winsys_handle *whandle)
  58 {
  59    if (template->target == PIPE_BUFFER)
  60       return NULL;
  61    else
  62       return r300_texture_from_handle(screen, template, whandle);
  63 }
  64
  65
  66
  67 void
  68 r300_init_resource_functions(struct r300_context *r300)
  69 {
  70    r300->context.get_transfer = u_get_transfer_vtbl;
  71    r300->context.transfer_map = u_transfer_map_vtbl;
  72    r300->context.transfer_flush_region = u_transfer_flush_region_vtbl;
  73    r300->context.transfer_unmap = u_transfer_unmap_vtbl;
  74    r300->context.transfer_destroy = u_transfer_destroy_vtbl;
  75    r300->context.transfer_inline_write = u_transfer_inline_write_vtbl;
  76    r300->context.is_resource_referenced = u_is_resource_referenced_vtbl;
  77 }
  78
  79 void
  80 r300_init_screen_resource_functions(struct r300_screen *r300screen)
  81 {
  82    r300screen->screen.resource_create = r300_resource_create;
  83    r300screen->screen.resource_from_handle = r300_resource_from_handle;
  84    r300screen->screen.resource_get_handle = u_resource_get_handle_vtbl;
  85    r300screen->screen.resource_destroy = u_resource_destroy_vtbl;
  86    r300screen->screen.user_buffer_create = r300_user_buffer_create;
  87
  88    r300screen->screen.get_tex_surface = r300_get_tex_surface;
  89    r300screen->screen.tex_surface_destroy = r300_tex_surface_destroy;
  90 }