tr_texture.c revision 5d418f7155cfb7bf9a14e6b322831a6e6b6ad710 
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 "util/u_hash_table.h"
29#include "util/u_memory.h"
30
31#include "tr_screen.h"
32#include "tr_texture.h"
33
34
35struct pipe_texture *
36trace_texture_create(struct trace_screen *tr_scr,
37                     struct pipe_texture *texture)
38{
39   struct trace_texture *tr_tex;
40
41   if(!texture)
42      goto error;
43
44   assert(texture->screen == tr_scr->screen);
45
46   tr_tex = CALLOC_STRUCT(trace_texture);
47   if(!tr_tex)
48      goto error;
49
50   memcpy(&tr_tex->base, texture, sizeof(struct pipe_texture));
51   tr_tex->base.screen = &tr_scr->base;
52   tr_tex->texture = texture;
53
54   return &tr_tex->base;
55
56error:
57   pipe_texture_reference(&texture, NULL);
58   return NULL;
59}
60
61
62void
63trace_texture_destroy(struct trace_screen *tr_scr,
64                      struct pipe_texture *texture)
65{
66   struct trace_texture *tr_tex = trace_texture(tr_scr, texture);
67   pipe_texture_reference(&tr_tex->texture, NULL);
68   FREE(tr_tex);
69}
70
71
72struct pipe_surface *
73trace_surface_create(struct trace_texture *tr_tex,
74                     struct pipe_surface *surface)
75{
76   struct trace_surface *tr_surf;
77
78   if(!surface)
79      goto error;
80
81   assert(surface->texture == tr_tex->texture);
82
83   tr_surf = CALLOC_STRUCT(trace_surface);
84   if(!tr_surf)
85      goto error;
86
87   memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
88
89   tr_surf->base.texture = NULL;
90   pipe_texture_reference(&tr_surf->base.texture, &tr_tex->base);
91   tr_surf->surface = surface;
92
93   return &tr_surf->base;
94
95error:
96   pipe_surface_reference(&surface, NULL);
97   return NULL;
98}
99
100
101void
102trace_surface_destroy(struct trace_texture *tr_tex,
103                      struct pipe_surface *surface)
104{
105   struct trace_surface *tr_surf = trace_surface(tr_tex, surface);
106   pipe_texture_reference(&tr_surf->base.texture, NULL);
107   pipe_surface_reference(&tr_surf->surface, NULL);
108   FREE(tr_surf);
109}
110
111
112struct pipe_transfer *
113trace_transfer_create(struct trace_texture *tr_tex,
114                     struct pipe_transfer *transfer)
115{
116   struct trace_transfer *tr_trans;
117
118   if(!transfer)
119      goto error;
120
121   assert(transfer->texture == tr_tex->texture);
122
123   tr_trans = CALLOC_STRUCT(trace_transfer);
124   if(!tr_trans)
125      goto error;
126
127   memcpy(&tr_trans->base, transfer, sizeof(struct pipe_transfer));
128
129   tr_trans->base.texture = NULL;
130   pipe_texture_reference(&tr_trans->base.texture, &tr_tex->base);
131   tr_trans->transfer = transfer;
132   assert(tr_trans->base.texture == &tr_tex->base);
133
134   return &tr_trans->base;
135
136error:
137   transfer->texture->screen->tex_transfer_destroy(transfer);
138   return NULL;
139}
140
141
142void
143trace_transfer_destroy(struct trace_texture *tr_tex,
144                      struct pipe_transfer *transfer)
145{
146   struct trace_transfer *tr_trans = trace_transfer(tr_tex, transfer);
147   struct pipe_screen *screen = tr_trans->transfer->texture->screen;
148   pipe_texture_reference(&tr_trans->base.texture, NULL);
149   screen->tex_transfer_destroy(tr_trans->transfer);
150   FREE(tr_trans);
151}
152
153