10GLuint gl_program_vert_frag(
const char *vert,
const char *frag,
const char *geom );
11GLuint gl_program_vert_frag_string(
const char *vert,
size_t vert_size,
const char *frag,
size_t frag_size );
12void gl_uniformColour( GLint location,
const glColour *
c );
13void gl_uniformAColour( GLint location,
const glColour *
c, GLfloat a );
14void gl_uniformMat4( GLint location,
const mat4 *m );