X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=util.h;h=1ecdc00ce1b91dce58547b8d243fed8f3e4f3b3c;hp=c59231d205d2537c4ec965a4b5b85cf4162ff8f4;hb=09c983894685554b41f622dadd40ac1a4efc527d;hpb=f3591ae239781d0587a141e14633e172ba9e376b

diff --git a/util.h b/util.h
index c59231d..1ecdc00 100644
--- a/util.h
+++ b/util.h
@@ -53,6 +53,15 @@ GLuint fill_vertex_attribute(GLuint glsl_program_num, const std::string &attribu
 // Clean up after fill_vertex_attribute().
 void cleanup_vertex_attribute(GLuint glsl_program_num, const std::string &attribute_name, GLuint vbo);
 
+// If v is not already a power of two, return the first higher power of two.
+unsigned next_power_of_two(unsigned v);
+
+// Get a pointer that represents the current OpenGL context, in a cross-platform way.
+// This is not intended for anything but identification (ie., so you can associate
+// different FBOs with different contexts); you should probably not try to cast it
+// back into anything you intend to pass into OpenGL.
+void *get_gl_context_identifier();
+
 }  // namespace movit
 
 #ifdef NDEBUG