id_objects.c revision 28486880ca3ec39419ccee0cb1a3bedc9ef7117c 
1/**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
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 VMWARE 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_inlines.h"
29#include "util/u_memory.h"
30
31#include "id_public.h"
32#include "id_screen.h"
33#include "id_objects.h"
34
35struct pipe_buffer *
36identity_buffer_create(struct identity_screen *id_screen,
37                       struct pipe_buffer *buffer)
38{
39   struct identity_buffer *id_buffer;
40
41   if(!buffer)
42      goto error;
43
44   assert(buffer->screen == id_screen->screen);
45
46   id_buffer = CALLOC_STRUCT(identity_buffer);
47   if(!id_buffer)
48      goto error;
49
50   memcpy(&id_buffer->base, buffer, sizeof(struct pipe_buffer));
51
52   pipe_reference_init(&id_buffer->base.reference, 1);
53   id_buffer->base.screen = &id_screen->base;
54   id_buffer->buffer = buffer;
55
56   return &id_buffer->base;
57
58error:
59   pipe_buffer_reference(&buffer, NULL);
60   return NULL;
61}
62
63void
64identity_buffer_destroy(struct identity_buffer *id_buffer)
65{
66   pipe_buffer_reference(&id_buffer->buffer, NULL);
67   FREE(id_buffer);
68}
69
70
71struct pipe_texture *
72identity_texture_create(struct identity_screen *id_screen,
73                        struct pipe_texture *texture)
74{
75   struct identity_texture *id_texture;
76
77   if(!texture)
78      goto error;
79
80   assert(texture->screen == id_screen->screen);
81
82   id_texture = CALLOC_STRUCT(identity_texture);
83   if(!id_texture)
84      goto error;
85
86   memcpy(&id_texture->base, texture, sizeof(struct pipe_texture));
87
88   pipe_reference_init(&id_texture->base.reference, 1);
89   id_texture->base.screen = &id_screen->base;
90   id_texture->texture = texture;
91
92   return &id_texture->base;
93
94error:
95   pipe_texture_reference(&texture, NULL);
96   return NULL;
97}
98
99void
100identity_texture_destroy(struct identity_texture *id_texture)
101{
102   pipe_texture_reference(&id_texture->texture, NULL);
103   FREE(id_texture);
104}
105
106
107struct pipe_surface *
108identity_surface_create(struct identity_texture *id_texture,
109                        struct pipe_surface *surface)
110{
111   struct identity_surface *id_surface;
112
113   if(!surface)
114      goto error;
115
116   assert(surface->texture == id_texture->texture);
117
118   id_surface = CALLOC_STRUCT(identity_surface);
119   if(!id_surface)
120      goto error;
121
122   memcpy(&id_surface->base, surface, sizeof(struct pipe_surface));
123
124   pipe_reference_init(&id_surface->base.reference, 1);
125   id_surface->base.texture = NULL;
126   pipe_texture_reference(&id_surface->base.texture, &id_texture->base);
127   id_surface->surface = surface;
128
129   return &id_surface->base;
130
131error:
132   pipe_surface_reference(&surface, NULL);
133   return NULL;
134}
135
136void
137identity_surface_destroy(struct identity_surface *id_surface)
138{
139   pipe_texture_reference(&id_surface->base.texture, NULL);
140   pipe_surface_reference(&id_surface->surface, NULL);
141   FREE(id_surface);
142}
143
144
145struct pipe_transfer *
146identity_transfer_create(struct identity_texture *id_texture,
147                         struct pipe_transfer *transfer)
148{
149   struct identity_transfer *id_transfer;
150
151   if(!transfer)
152      goto error;
153
154   assert(transfer->texture == id_texture->texture);
155
156   id_transfer = CALLOC_STRUCT(identity_transfer);
157   if(!id_transfer)
158      goto error;
159
160   memcpy(&id_transfer->base, transfer, sizeof(struct pipe_transfer));
161
162   id_transfer->base.texture = NULL;
163   pipe_texture_reference(&id_transfer->base.texture, &id_texture->base);
164   id_transfer->transfer = transfer;
165   assert(id_transfer->base.texture == &id_texture->base);
166
167   return &id_transfer->base;
168
169error:
170   transfer->texture->screen->tex_transfer_destroy(transfer);
171   return NULL;
172}
173
174void
175identity_transfer_destroy(struct identity_transfer *id_transfer)
176{
177   struct identity_screen *id_screen = identity_screen(id_transfer->base.texture->screen);
178   struct pipe_screen *screen = id_screen->screen;
179
180   pipe_texture_reference(&id_transfer->base.texture, NULL);
181   screen->tex_transfer_destroy(id_transfer->transfer);
182   FREE(id_transfer);
183}
184
185struct pipe_video_surface *
186identity_video_surface_create(struct identity_screen *id_screen,
187                              struct pipe_video_surface *video_surface)
188{
189   struct identity_video_surface *id_video_surface;
190
191   if (!video_surface) {
192      goto error;
193   }
194
195   assert(video_surface->screen == id_screen->screen);
196
197   id_video_surface = CALLOC_STRUCT(identity_video_surface);
198   if (!id_video_surface) {
199      goto error;
200   }
201
202   memcpy(&id_video_surface->base,
203          video_surface,
204          sizeof(struct pipe_video_surface));
205
206   pipe_reference_init(&id_video_surface->base.reference, 1);
207   id_video_surface->base.screen = &id_screen->base;
208   id_video_surface->video_surface = video_surface;
209
210   return &id_video_surface->base;
211
212error:
213   pipe_video_surface_reference(&video_surface, NULL);
214   return NULL;
215}
216
217void
218identity_video_surface_destroy(struct identity_video_surface *id_video_surface)
219{
220   pipe_video_surface_reference(&id_video_surface->video_surface, NULL);
221   FREE(id_video_surface);
222}
223