1 files changed, 148 insertions, 0 deletions
diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c
new file mode 100644
index 00000000000..608311d7494
--- /dev/null
+++ b/src/egl/main/eglglobals.c
@@ -0,0 +1,148 @@
+#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.Contexts = _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.Contexts);
+   _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);
+   }
+}