1 files changed, 84 insertions, 0 deletions
diff --git a/src/egl/main/eglcurrent.h b/src/egl/main/eglcurrent.h
new file mode 100644
index 0000000000..8eb241029e
--- /dev/null
+++ b/src/egl/main/eglcurrent.h
@@ -0,0 +1,84 @@
+#ifndef EGLCURRENT_INCLUDED
+#define EGLCURRENT_INCLUDED
+
+#include "egltypedefs.h"
+
+
+#define _EGL_API_NUM_INDICES \
+   (EGL_OPENGL_API - EGL_OPENGL_ES_API + 2) /* idx 0 is for EGL_NONE */
+
+
+/**
+ * Per-thread info
+ */
+struct _egl_thread_info
+{
+   EGLint LastError;
+   _EGLContext *CurrentContexts[_EGL_API_NUM_INDICES];
+   /* use index for fast access to current context */
+   EGLint CurrentAPIIndex;
+};
+
+
+/**
+ * Return true if a client API enum can be converted to an index.
+ */
+static INLINE EGLBoolean
+_eglIsApiValid(EGLenum api)
+{
+   return ((api >= EGL_OPENGL_ES_API && api <= EGL_OPENGL_API) ||
+           api == EGL_NONE);
+}
+
+
+/**
+ * Convert a client API enum to an index, for use by thread info.
+ * The client API enum is assumed to be valid.
+ */
+static INLINE EGLint
+_eglConvertApiToIndex(EGLenum api)
+{
+   return (api != EGL_NONE) ? api - EGL_OPENGL_ES_API + 1 : 0;
+}
+
+
+/**
+ * Convert an index, used by thread info, to a client API enum.
+ * The index is assumed to be valid.
+ */
+static INLINE EGLenum
+_eglConvertApiFromIndex(EGLint idx)
+{
+   return (idx) ? EGL_OPENGL_ES_API + idx - 1 : EGL_NONE;
+}
+
+
+extern _EGLThreadInfo *
+_eglGetCurrentThread(void);
+
+
+extern void
+_eglDestroyCurrentThread(void);
+
+
+extern EGLBoolean
+_eglIsCurrentThreadDummy(void);
+
+
+extern _EGLContext *
+_eglGetCurrentContext(void);
+
+
+extern _EGLDisplay *
+_eglGetCurrentDisplay(void);
+
+
+extern _EGLSurface *
+_eglGetCurrentSurface(EGLint readdraw);
+
+
+extern EGLBoolean
+_eglError(EGLint errCode, const char *msg);
+
+
+#endif /* EGLCURRENT_INCLUDED */