summaryrefslogtreecommitdiff
path: root/src/egl/main/eglglobals.c
blob: 5da59af91da4a4726b8f373b6a2b6a5bd0b99158 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
#include <stdio.h>
#include <stdlib.h>
#include "eglglobals.h"


struct _egl_global _eglGlobal = { .Initialized = EGL_FALSE };


/**
 * Init the fields in the _eglGlobal struct
 * May be safely called more than once.
 */
void
_eglInitGlobals(void)
{
   if (!_eglGlobal.Initialized) {
      _eglGlobal.Displays = _eglNewHashTable();
      _eglGlobal.Surfaces = _eglNewHashTable();
      _eglGlobal.FreeScreenHandle = 1;
      _eglGlobal.Initialized = EGL_TRUE;

      _eglGlobal.ClientAPIsMask = 0x0;

      /* XXX temporary */
      _eglGlobal.ThreadInfo = _eglNewThreadInfo();
   }
}


/**
 * Should call this via an atexit handler.
 */
void
_eglDestroyGlobals(void)
{
   /* XXX TODO walk over table entries, deleting each */
   _eglDeleteHashTable(_eglGlobal.Displays);
   _eglDeleteHashTable(_eglGlobal.Surfaces);
}


/**
 * Allocate and init a new _EGLThreadInfo object.
 */
_EGLThreadInfo *
_eglNewThreadInfo(void)
{
   _EGLThreadInfo *t = (_EGLThreadInfo *) calloc(1, sizeof(_EGLThreadInfo));
   if (t) {
      t->CurrentContext = EGL_NO_CONTEXT;
      t->LastError = EGL_SUCCESS;
      t->CurrentAPI = EGL_OPENGL_ES_API;  /* default, per EGL spec */
   }
   return t;
}


/**
 * Delete/free a _EGLThreadInfo object.
 */
void
_eglDeleteThreadData(_EGLThreadInfo *t)
{
   free(t);
}



/**
 * Return pointer to calling thread's _EGLThreadInfo object.
 * Create a new one if needed.
 * Should never return NULL.
 */
_EGLThreadInfo *
_eglGetCurrentThread(void)
{
   _eglInitGlobals();

   /* XXX temporary */
   return _eglGlobal.ThreadInfo;
}


/**
 * Record EGL error code.
 */
void
_eglError(EGLint errCode, const char *msg)
{
   _EGLThreadInfo *t = _eglGetCurrentThread();
   const char *s;

   if (t->LastError == EGL_SUCCESS) {
      t->LastError = errCode;

      switch (errCode) {
      case EGL_BAD_ACCESS:
         s = "EGL_BAD_ACCESS";
         break;
      case EGL_BAD_ALLOC:
         s = "EGL_BAD_ALLOC";
         break;
      case EGL_BAD_ATTRIBUTE:
         s = "EGL_BAD_ATTRIBUTE";
         break;
      case EGL_BAD_CONFIG:
         s = "EGL_BAD_CONFIG";
         break;
      case EGL_BAD_CONTEXT:
         s = "EGL_BAD_CONTEXT";
         break;
      case EGL_BAD_CURRENT_SURFACE:
         s = "EGL_BAD_CURRENT_SURFACE";
         break;
      case EGL_BAD_DISPLAY:
         s = "EGL_BAD_DISPLAY";
         break;
      case EGL_BAD_MATCH:
         s = "EGL_BAD_MATCH";
         break;
      case EGL_BAD_NATIVE_PIXMAP:
         s = "EGL_BAD_NATIVE_PIXMAP";
         break;
      case EGL_BAD_NATIVE_WINDOW:
         s = "EGL_BAD_NATIVE_WINDOW";
         break;
      case EGL_BAD_PARAMETER:
         s = "EGL_BAD_PARAMETER";
         break;
      case EGL_BAD_SURFACE:
         s = "EGL_BAD_SURFACE";
         break;
      case EGL_BAD_SCREEN_MESA:
         s = "EGL_BAD_SCREEN_MESA";
         break;
      case EGL_BAD_MODE_MESA:
         s = "EGL_BAD_MODE_MESA";
         break;
      default:
         s = "other";
      }
      /* XXX temporary */
      fprintf(stderr, "EGL user error 0x%x (%s) in %s\n", errCode, s, msg);
   }
}