X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=init.h;h=53a4018100362f6f38f54e0173bdf502f5debf5a;hp=e2b7f6636989b8afe38bd2751144c38c4f02c9c7;hb=7f92cccbf86c655ab94bb4a33e80e6f4f7c415d7;hpb=5614a34b00bbcfdb3d0f5a7dc1fc4205e7088cdf

diff --git a/init.h b/init.h
index e2b7f66..53a4018 100644
--- a/init.h
+++ b/init.h
@@ -1,23 +1,36 @@
-#ifndef _INIT_H
-#define _INIT_H
+#ifndef _MOVIT_INIT_H
+#define _MOVIT_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.
 //
-// The parameter gives which directory to read .frag files from.
+// The first parameter gives which directory to read .frag files from.
 // This is a temporary hack until we add something more solid.
-// If you call init_movit() twice with different values for data_directory,
+//
+// 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);
+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.
@@ -34,4 +47,4 @@ extern float movit_texel_subpixel_precision;
 // Whether the GPU in use supports GL_EXT_texture_sRGB.
 extern bool movit_srgb_textures_supported;
 
-#endif  // !defined(_INIT_H)
+#endif  // !defined(_MOVIT_INIT_H)