1 /*
2 * Copyright 2016 VMware, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27 #ifndef ST_SAMPLER_VIEW_H
28 #define ST_SAMPLER_VIEW_H
29
30 #include "pipe/p_compiler.h"
31 #include "pipe/p_context.h"
32 #include "pipe/p_state.h"
33 #include "util/u_sampler.h"
34
35 struct st_texture_object;
36
37
38 static inline struct pipe_sampler_view *
st_create_texture_sampler_view_format(struct pipe_context * pipe,struct pipe_resource * texture,enum pipe_format format)39 st_create_texture_sampler_view_format(struct pipe_context *pipe,
40 struct pipe_resource *texture,
41 enum pipe_format format)
42 {
43 struct pipe_sampler_view templ;
44
45 u_sampler_view_default_template(&templ, texture, format);
46
47 return pipe->create_sampler_view(pipe, texture, &templ);
48 }
49
50
51 static inline struct pipe_sampler_view *
st_create_texture_sampler_view(struct pipe_context * pipe,struct pipe_resource * texture)52 st_create_texture_sampler_view(struct pipe_context *pipe,
53 struct pipe_resource *texture)
54 {
55 return st_create_texture_sampler_view_format(pipe, texture,
56 texture->format);
57 }
58
59
60 extern void
61 st_texture_release_context_sampler_view(struct st_context *st,
62 struct st_texture_object *stObj);
63
64 extern void
65 st_texture_release_all_sampler_views(struct st_context *st,
66 struct st_texture_object *stObj);
67
68 void
69 st_delete_texture_sampler_views(struct st_context *st,
70 struct st_texture_object *stObj);
71
72 struct st_sampler_view *
73 st_texture_get_current_sampler_view(const struct st_context *st,
74 const struct st_texture_object *stObj);
75
76 struct pipe_sampler_view *
77 st_get_texture_sampler_view_from_stobj(struct st_context *st,
78 struct st_texture_object *stObj,
79 const struct gl_sampler_object *samp,
80 bool glsl130_or_later,
81 bool ignore_srgb_decode,
82 bool get_reference);
83
84 struct pipe_sampler_view *
85 st_get_buffer_sampler_view_from_stobj(struct st_context *st,
86 struct st_texture_object *stObj,
87 bool get_reference);
88
89 #endif /* ST_SAMPLER_VIEW_H */
90