tr_texture.c revision 5897383344da3320d158c26adae05de35480471f 
1/**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include "pipe/p_inlines.h"
29#include "util/u_hash_table.h"
30#include "util/u_memory.h"
31
32#include "tr_screen.h"
33#include "tr_texture.h"
34
35
36struct pipe_texture *
37trace_texture_create(struct trace_screen *tr_scr,
38                     struct pipe_texture *texture)
39{
40   struct trace_texture *tr_tex;
41
42   if(!texture)
43      goto error;
44
45   assert(texture->screen == tr_scr->screen);
46
47   tr_tex = CALLOC_STRUCT(trace_texture);
48   if(!tr_tex)
49      goto error;
50
51   memcpy(&tr_tex->base, texture, sizeof(struct pipe_texture));
52   tr_tex->base.screen = &tr_scr->base;
53   tr_tex->texture = texture;
54
55   return &tr_tex->base;
56
57error:
58   pipe_texture_reference(&texture, NULL);
59   return NULL;
60}
61
62
63void
64trace_texture_destroy(struct trace_screen *tr_scr,
65                      struct pipe_texture *texture)
66{
67   struct trace_texture *tr_tex = trace_texture(tr_scr, texture);
68   pipe_texture_reference(&tr_tex->texture, NULL);
69   FREE(tr_tex);
70}
71
72
73struct pipe_surface *
74trace_surface_create(struct trace_texture *tr_tex,
75                     struct pipe_surface *surface)
76{
77   struct trace_surface *tr_surf;
78
79   if(!surface)
80      goto error;
81
82   assert(surface->texture == tr_tex->texture);
83
84   tr_surf = CALLOC_STRUCT(trace_surface);
85   if(!tr_surf)
86      goto error;
87
88   memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
89
90   tr_surf->base.texture = NULL;
91   pipe_texture_reference(&tr_surf->base.texture, &tr_tex->base);
92   tr_surf->surface = surface;
93
94   return &tr_surf->base;
95
96error:
97   pipe_surface_reference(&surface, NULL);
98   return NULL;
99}
100
101
102void
103trace_surface_destroy(struct trace_texture *tr_tex,
104                      struct pipe_surface *surface)
105{
106   struct trace_surface *tr_surf = trace_surface(tr_tex, surface);
107   pipe_texture_reference(&tr_surf->base.texture, NULL);
108   pipe_surface_reference(&tr_surf->surface, NULL);
109   FREE(tr_surf);
110}
111
112