// Various utilities.
-#include <GL/glew.h>
+#include <epoxy/gl.h>
#include <stdio.h>
#include <stdlib.h>
#include <Eigen/Core>
// (estimated) squared errors of the two weights.
void combine_two_samples(float w1, float w2, float *offset, float *total_weight, float *sum_sq_error);
+// Create a VBO with the given data, and bind it to the vertex attribute
+// with name <attribute_name>. Returns the VBO number.
+GLuint fill_vertex_attribute(GLuint glsl_program_num, const std::string &attribute_name, GLint size, GLenum type, GLsizeiptr data_size, const GLvoid *data);
+
+// Clean up after fill_vertex_attribute().
+void cleanup_vertex_attribute(GLuint glsl_program_num, const std::string &attribute_name, GLuint vbo);
+
} // namespace movit
#ifdef NDEBUG