1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2006 Brian Paul 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 CONTEXT_H
27 #define CONTEXT_H
28
29
30 #include "imports.h"
31 #include "mtypes.h"
32
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38
39 /**
40 * Checks if the context is for Desktop GL (Compatibility or Core)
41 */
42 static inline GLboolean
_mesa_is_desktop_gl(const struct gl_context * ctx)43 _mesa_is_desktop_gl(const struct gl_context *ctx)
44 {
45 return ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGL_CORE;
46 }
47
48
49 /**
50 * Checks if the context is for any GLES version
51 */
52 static inline GLboolean
_mesa_is_gles(const struct gl_context * ctx)53 _mesa_is_gles(const struct gl_context *ctx)
54 {
55 return ctx->API == API_OPENGLES || ctx->API == API_OPENGLES2;
56 }
57
58
59 /**
60 * Checks if the context is for GLES 3.x
61 */
62 static inline GLboolean
_mesa_is_gles3(const struct gl_context * ctx)63 _mesa_is_gles3(const struct gl_context *ctx)
64 {
65 return ctx->API == API_OPENGLES2 && ctx->Version >= 30;
66 }
67
68
69 /**
70 * Checks if the context supports geometry shaders.
71 */
72 static inline GLboolean
_mesa_has_geometry_shaders(const struct gl_context * ctx)73 _mesa_has_geometry_shaders(const struct gl_context *ctx)
74 {
75 return _mesa_is_desktop_gl(ctx) &&
76 (ctx->Version >= 32 || ctx->Extensions.ARB_geometry_shader4);
77 }
78
79
80 #ifdef __cplusplus
81 }
82 #endif
83
84
85 #endif /* CONTEXT_H */
86