1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 2011 VMware, Inc. 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 "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26 #ifndef TEXSTORAGE_H
27 #define TEXSTORAGE_H
28
29 /**
30 * \name Internal functions
31 */
32 /*@{*/
33
34 /**
35 * Texture width, height and depth check shared with the
36 * multisample variants of TexStorage functions.
37 *
38 * From OpenGL 4.5 Core spec, page 260 (section 8.19)
39 *
40 * "An INVALID_VALUE error is generated if width, height, depth
41 * or levels are less than 1, for commands with the corresponding
42 * parameters."
43 *
44 * (referring to TextureStorage* commands, these also match values
45 * specified for OpenGL ES 3.1.)
46 */
47 static inline bool
_mesa_valid_tex_storage_dim(GLsizei width,GLsizei height,GLsizei depth)48 _mesa_valid_tex_storage_dim(GLsizei width, GLsizei height, GLsizei depth)
49 {
50 if (width < 1 || height < 1 || depth < 1)
51 return false;
52 return true;
53 }
54
55 /*@}*/
56
57 extern GLboolean
58 _mesa_is_legal_tex_storage_format(const struct gl_context *ctx,
59 GLenum internalformat);
60
61 extern bool
62 _mesa_is_legal_tex_storage_target(const struct gl_context *ctx,
63 GLuint dims, GLenum target);
64
65 extern void
66 _mesa_texture_storage_memory(struct gl_context *ctx, GLuint dims,
67 struct gl_texture_object *texObj,
68 struct gl_memory_object *memObj,
69 GLenum target, GLsizei levels,
70 GLenum internalformat, GLsizei width,
71 GLsizei height, GLsizei depth,
72 GLuint64 offset, bool dsa);
73
74 #endif /* TEXSTORAGE_H */
75