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 static inline struct pipe_sampler_view *
st_create_texture_sampler_view_format(struct pipe_context * pipe,struct pipe_resource * texture,enum pipe_format format)36 st_create_texture_sampler_view_format(struct pipe_context *pipe,
37 struct pipe_resource *texture,
38 enum pipe_format format)
39 {
40 struct pipe_sampler_view templ;
41
42 u_sampler_view_default_template(&templ, texture, format);
43
44 return pipe->create_sampler_view(pipe, texture, &templ);
45 }
46
47
48 static inline struct pipe_sampler_view *
st_create_texture_sampler_view(struct pipe_context * pipe,struct pipe_resource * texture)49 st_create_texture_sampler_view(struct pipe_context *pipe,
50 struct pipe_resource *texture)
51 {
52 return st_create_texture_sampler_view_format(pipe, texture,
53 texture->format);
54 }
55
56
57 extern void
58 st_texture_release_context_sampler_view(struct st_context *st,
59 struct gl_texture_object *stObj);
60
61 extern void
62 st_texture_release_all_sampler_views(struct st_context *st,
63 struct gl_texture_object *stObj);
64
65 void
66 st_delete_texture_sampler_views(struct st_context *st,
67 struct gl_texture_object *stObj);
68
69 struct st_sampler_view *
70 st_texture_get_current_sampler_view(const struct st_context *st,
71 const struct gl_texture_object *stObj);
72
73 struct pipe_sampler_view *
74 st_get_texture_sampler_view_from_stobj(struct st_context *st,
75 struct gl_texture_object *stObj,
76 const struct gl_sampler_object *samp,
77 bool glsl130_or_later,
78 bool ignore_srgb_decode,
79 bool get_reference);
80
81 struct pipe_sampler_view *
82 st_get_buffer_sampler_view_from_stobj(struct st_context *st,
83 struct gl_texture_object *stObj,
84 bool get_reference);
85
86 enum pipe_format
87 st_get_sampler_view_format(const struct st_context *st,
88 const struct gl_texture_object *texObj,
89 bool srgb_skip_decode);
90
91 #endif /* ST_SAMPLER_VIEW_H */
92