#ifndef _INIT_H
#define _INIT_H
+#include <string>
+
+enum MovitDebugLevel {
+ MOVIT_DEBUG_OFF = 0,
+ MOVIT_DEBUG_ON = 1,
+};
+
// Initialize the library; in particular, will query the GPU for information
// that is needed by various components. For instance, it verifies that
// we have all the OpenGL extensions we need.
-void init_movit();
+//
+// The first parameter gives which directory to read .frag files from.
+// This is a temporary hack until we add something more solid.
+//
+// The second parameter specifies whether debugging is on or off.
+// If it is on, Movit will write intermediate graphs and the final
+// generated shaders to the current directory.
+//
+// If you call init_movit() twice with different parameters,
+// only the first will count.
+void init_movit(const std::string& data_directory, MovitDebugLevel debug_level);
// GPU features. These are not intended for end-user use.
// Whether init_movit() has been called.
extern bool movit_initialized;
+// The current debug level.
+extern MovitDebugLevel movit_debug_level;
+
// An estimate on the smallest values the linear texture interpolation
// of the GPU can distinguish between, i.e., for a GPU with N-bit
// texture subpixel precision, this value will be 2^-N.