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#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.OpenGLESAPISupported = EGL_TRUE;
_eglGlobal.OpenVGAPISupported = EGL_FALSE;
/* 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_NONE;
}
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);
}
}
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