hooks.h revision 1cadb25da1ed875bdd078270e642966724a0c39a 
1/*
2 ** Copyright 2007, The Android Open Source Project
3 **
4 ** Licensed under the Apache License, Version 2.0 (the "License");
5 ** you may not use this file except in compliance with the License.
6 ** You may obtain a copy of the License at
7 **
8 **     http://www.apache.org/licenses/LICENSE-2.0
9 **
10 ** Unless required by applicable law or agreed to in writing, software
11 ** distributed under the License is distributed on an "AS IS" BASIS,
12 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 ** See the License for the specific language governing permissions and
14 ** limitations under the License.
15 */
16
17#ifndef ANDROID_GLES_CM_HOOKS_H
18#define ANDROID_GLES_CM_HOOKS_H
19
20#include <ctype.h>
21#include <string.h>
22#include <errno.h>
23
24#include <pthread.h>
25
26#include <EGL/egl.h>
27#include <EGL/eglext.h>
28#include <GLES/gl.h>
29#include <GLES/glext.h>
30#include <GLES2/gl2.h>
31#include <GLES2/gl2ext.h>
32
33#if !defined(__arm__)
34#define USE_SLOW_BINDING            1
35#else
36#define USE_SLOW_BINDING            0
37#endif
38#undef NELEM
39#define NELEM(x)                    (sizeof(x)/sizeof(*(x)))
40#define MAX_NUMBER_OF_GL_EXTENSIONS 64
41
42
43#if defined(HAVE_ANDROID_OS) && !USE_SLOW_BINDING && __OPTIMIZE__
44#define USE_FAST_TLS_KEY            1
45#else
46#define USE_FAST_TLS_KEY            0
47#endif
48
49#if USE_FAST_TLS_KEY
50#   include <bionic_tls.h>  /* special private C library header */
51#endif
52
53// ----------------------------------------------------------------------------
54namespace android {
55// ----------------------------------------------------------------------------
56
57// GL / EGL hooks
58
59#undef GL_ENTRY
60#undef EGL_ENTRY
61#define GL_ENTRY(_r, _api, ...) _r (*_api)(__VA_ARGS__);
62#define EGL_ENTRY(_r, _api, ...) _r (*_api)(__VA_ARGS__);
63
64struct egl_t {
65    #include "EGL/egl_entries.in"
66};
67
68struct gl_hooks_t {
69    struct gl_t {
70        #include "entries.in"
71    } gl;
72    struct gl_ext_t {
73        __eglMustCastToProperFunctionPointerType extensions[MAX_NUMBER_OF_GL_EXTENSIONS];
74    } ext;
75};
76#undef GL_ENTRY
77#undef EGL_ENTRY
78
79EGLAPI void setGlThreadSpecific(gl_hooks_t const *value);
80EGLAPI gl_hooks_t const* getGlThreadSpecific();
81
82// ----------------------------------------------------------------------------
83}; // namespace android
84// ----------------------------------------------------------------------------
85
86#endif /* ANDROID_GLES_CM_HOOKS_H */
87