1848b8605Smrg/*
2848b8605Smrg * Mesa 3-D graphics library
3848b8605Smrg *
4848b8605Smrg * Copyright (C) 2012-2013 LunarG, Inc.
5848b8605Smrg *
6848b8605Smrg * Permission is hereby granted, free of charge, to any person obtaining a
7848b8605Smrg * copy of this software and associated documentation files (the "Software"),
8848b8605Smrg * to deal in the Software without restriction, including without limitation
9848b8605Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10848b8605Smrg * and/or sell copies of the Software, and to permit persons to whom the
11848b8605Smrg * Software is furnished to do so, subject to the following conditions:
12848b8605Smrg *
13848b8605Smrg * The above copyright notice and this permission notice shall be included
14848b8605Smrg * in all copies or substantial portions of the Software.
15848b8605Smrg *
16848b8605Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17848b8605Smrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18848b8605Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19848b8605Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20848b8605Smrg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21848b8605Smrg * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22848b8605Smrg * DEALINGS IN THE SOFTWARE.
23848b8605Smrg *
24848b8605Smrg * Authors:
25848b8605Smrg *    Courtney Goeltzenleuchter <courtney@lunarg.com>
26848b8605Smrg */
27848b8605Smrg
28848b8605Smrg
29848b8605Smrg#ifndef TEXTUREVIEW_H
30848b8605Smrg#define TEXTUREVIEW_H
31848b8605Smrg
32b8e80941Smrgbool
33b8e80941Smrg_mesa_texture_view_compatible_format(const struct gl_context *ctx,
34848b8605Smrg                                     GLenum origInternalFormat,
35848b8605Smrg                                     GLenum newInternalFormat);
36848b8605Smrg
37b8e80941Smrg/**
38b8e80941Smrg * Lookup format view class based on internalformat
39b8e80941Smrg * \return VIEW_CLASS if internalformat found in table, false otherwise.
40b8e80941Smrg */
41b8e80941SmrgGLenum
42b8e80941Smrg_mesa_texture_view_lookup_view_class(const struct gl_context *ctx,
43b8e80941Smrg                                     GLenum internalformat);
44b8e80941Smrg
45b8e80941Smrgvoid GLAPIENTRY
46b8e80941Smrg_mesa_TextureView_no_error(GLuint texture, GLenum target, GLuint origtexture,
47b8e80941Smrg                           GLenum internalformat,
48b8e80941Smrg                           GLuint minlevel, GLuint numlevels,
49b8e80941Smrg                           GLuint minlayer, GLuint numlayers);
50b8e80941Smrg
51848b8605Smrgextern void GLAPIENTRY
52848b8605Smrg_mesa_TextureView(GLuint texture, GLenum target, GLuint origtexture,
53848b8605Smrg                  GLenum internalformat,
54848b8605Smrg                  GLuint minlevel, GLuint numlevels,
55848b8605Smrg                  GLuint minlayer, GLuint numlayers);
56848b8605Smrg
57848b8605Smrgextern void
58b8e80941Smrg_mesa_set_texture_view_state(struct gl_context *ctx,
59b8e80941Smrg                             struct gl_texture_object *texObj,
60b8e80941Smrg                             GLenum target, GLuint levels);
61848b8605Smrg
62848b8605Smrg#endif /* TEXTUREVIEW_H */
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