1/*
2 * Copyright (c) 2008-2012 Apple Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#ifndef CAPABILITIES_H
24#define CAPABILITIES_H
25
26#include <stdbool.h>
27
28enum { GLCAPS_INVALID_STENCIL_DEPTH = -1 };
29enum { GLCAPS_COLOR_BUF_INVALID_VALUE = -1 };
30enum { GLCAPS_COLOR_BUFFERS = 20 };
31enum { GLCAPS_STENCIL_BIT_DEPTH_BUFFERS = 20 };
32enum { GLCAPS_DEPTH_BUFFERS = 20 };
33enum { GLCAPS_INVALID_DEPTH_VALUE = 1 };
34
35struct glColorBufCapabilities {
36    char r, g, b, a;
37    bool is_argb;
38};
39
40struct glCapabilitiesConfig {
41    bool accelerated;
42    bool stereo;
43    int aux_buffers;
44    int buffers;
45    int total_depth_buffer_depths;
46    int depth_buffers[GLCAPS_DEPTH_BUFFERS];
47    int multisample_buffers;
48    int multisample_samples;
49    int total_stencil_bit_depths;
50    char stencil_bit_depths[GLCAPS_STENCIL_BIT_DEPTH_BUFFERS];
51    int total_color_buffers;
52    struct glColorBufCapabilities color_buffers[GLCAPS_COLOR_BUFFERS];
53    int total_accum_buffers;
54    struct glColorBufCapabilities accum_buffers[GLCAPS_COLOR_BUFFERS];
55    struct glCapabilitiesConfig *next;
56};
57
58struct glCapabilities {
59    struct glCapabilitiesConfig *configurations;
60    int total_configurations;
61};
62
63bool
64getGlCapabilities(struct glCapabilities *cap);
65void
66freeGlCapabilities(struct glCapabilities *cap);
67
68#endif
69