initial EGL code

1 files changed, 51 insertions, 0 deletions

diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c
new file mode 100644
index 00000000000..102e5506206
--- /dev/null
+++ b/src/egl/main/eglglobals.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include "eglglobals.h"
+
+
+struct _egl_global _eglGlobal = { 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.Contexts = _eglNewHashTable();
+      _eglGlobal.Surfaces = _eglNewHashTable();
+      _eglGlobal.CurrentContext = EGL_NO_CONTEXT;
+      _eglGlobal.LastError = EGL_SUCCESS;
+      _eglGlobal.Initialized = EGL_TRUE;
+   }
+}
+
+
+/**
+ * Should call this via an atexit handler.
+ */
+void
+_eglDestroyGlobals(void)
+{
+   /* XXX TODO walk over table entries, deleting each */
+   _eglDeleteHashTable(_eglGlobal.Displays);
+   _eglDeleteHashTable(_eglGlobal.Contexts);
+   _eglDeleteHashTable(_eglGlobal.Surfaces);
+}
+
+
+
+/**
+ * Record EGL error code.
+ */
+void
+_eglError(EGLint errCode, const char *msg)
+{
+   if (_eglGlobal.LastError == EGL_SUCCESS) {
+      _eglGlobal.LastError = errCode;
+      /* XXX temporary */
+      fprintf(stderr, "EGL Error 0x%x in %s\n", errCode, msg);
+   }
+}