void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t);
GLuint radeon_miptree_image_offset(radeon_mipmap_tree *mt,
GLuint face, GLuint level);
void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t);
GLuint radeon_miptree_image_offset(radeon_mipmap_tree *mt,
GLuint face, GLuint level);