tr_texture.c revision c0f6bfd489091da20ad9580d8ac6aeb187ededfd 
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_inlines.h"
29#include "util/u_hash_table.h"
30#include "util/u_memory.h"
31#include "util/u_simple_list.h"
32
33#include "tr_screen.h"
34#include "tr_context.h"
35#include "tr_texture.h"
36
37
38struct pipe_resource *
39trace_resource_create(struct trace_screen *tr_scr,
40                     struct pipe_resource *texture)
41{
42   struct trace_resource *tr_res;
43
44   if(!texture)
45      goto error;
46
47   assert(texture->screen == tr_scr->screen);
48
49   tr_res = CALLOC_STRUCT(trace_resource);
50   if(!tr_res)
51      goto error;
52
53   memcpy(&tr_res->base, texture, sizeof(struct pipe_resource));
54
55   pipe_reference_init(&tr_res->base.reference, 1);
56   tr_res->base.screen = &tr_scr->base;
57   tr_res->resource = texture;
58
59   return &tr_res->base;
60
61error:
62   pipe_resource_reference(&texture, NULL);
63   return NULL;
64}
65
66
67void
68trace_resource_destroy(struct trace_screen *tr_scr,
69		       struct trace_resource *tr_res)
70{
71   pipe_resource_reference(&tr_res->resource, NULL);
72   FREE(tr_res);
73}
74
75
76struct pipe_surface *
77trace_surf_create(struct trace_resource *tr_res,
78                  struct pipe_surface *surface)
79{
80   struct trace_surface *tr_surf;
81
82   if(!surface)
83      goto error;
84
85   assert(surface->texture == tr_res->resource);
86
87   tr_surf = CALLOC_STRUCT(trace_surface);
88   if(!tr_surf)
89      goto error;
90
91   memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
92
93   pipe_reference_init(&tr_surf->base.reference, 1);
94   tr_surf->base.texture = NULL;
95   pipe_resource_reference(&tr_surf->base.texture, &tr_res->base);
96   tr_surf->surface = surface;
97
98   return &tr_surf->base;
99
100error:
101   pipe_surface_reference(&surface, NULL);
102   return NULL;
103}
104
105
106void
107trace_surf_destroy(struct trace_surface *tr_surf)
108{
109   pipe_resource_reference(&tr_surf->base.texture, NULL);
110   pipe_surface_reference(&tr_surf->surface, NULL);
111   FREE(tr_surf);
112}
113
114
115struct pipe_transfer *
116trace_transfer_create(struct trace_context *tr_ctx,
117		      struct trace_resource *tr_res,
118		      struct pipe_transfer *transfer)
119{
120   struct trace_transfer *tr_trans;
121
122   if(!transfer)
123      goto error;
124
125   assert(transfer->resource == tr_res->resource);
126
127   tr_trans = CALLOC_STRUCT(trace_transfer);
128   if(!tr_trans)
129      goto error;
130
131   memcpy(&tr_trans->base, transfer, sizeof(struct pipe_transfer));
132
133   tr_trans->base.resource = NULL;
134   tr_trans->transfer = transfer;
135
136   pipe_resource_reference(&tr_trans->base.resource, &tr_res->base);
137   assert(tr_trans->base.resource == &tr_res->base);
138
139   return &tr_trans->base;
140
141error:
142   tr_ctx->pipe->transfer_destroy(tr_ctx->pipe, transfer);
143   return NULL;
144}
145
146
147void
148trace_transfer_destroy(struct trace_context *tr_context,
149                       struct trace_transfer *tr_trans)
150{
151   struct pipe_context *context = tr_context->pipe;
152   struct pipe_transfer *transfer = tr_trans->transfer;
153
154   pipe_resource_reference(&tr_trans->base.resource, NULL);
155   context->transfer_destroy(context, transfer);
156   FREE(tr_trans);
157}
158
159