Update TODO list.

1 files changed, 8 insertions, 6 deletions

diff --git a/TODO.org b/TODO.org
index 857af34..e02c34b 100644
--- a/TODO.org
+++ b/TODO.org
@@ -1,8 +1,6 @@
 * Tasks
-** TODO [#A] Fix vertical line rendering not working
-It just shows up as an invisible line.  Not great!
-** DONE [#A] Fix 9-patch rendering not working with texture regions
-** DONE [#A] Add #:clear-color argument to run-game
+** TODO [#A] Bug: Vertical line rendering not working
+Vertical lines are invisible.  Not great!
 ** TODO [#A] Improve window resizing support
 For example, there's no user hook to handle a resize event.
 ** TODO [#A] Scheme -> GLSL compiler
@@ -17,10 +15,12 @@ Goals:
 - Implicit returns in tail position (no 'return' keyword)
 - Everything is an expression
 - Type inference
+- Understands built-in shader stage variables
+  - See: https://www.khronos.org/opengl/wiki/Built-in_Variable_(GLSL)
 - Macros
 - Nested functions if they are hoistable (no free variables aka not
   closures)
-- Shader composition
+- Shader libraries for reusing and composing code
 
 #+BEGIN_SRC scheme
   ;; Input vertices are positional arguments, uniforms are keyword
@@ -34,7 +34,6 @@ Goals:
   (define (sprite-fragment (vec2 )))
 #+END_SRC
 
-** DONE [#A] Tests for (chickadee math rect)
 ** TODO [#A] Switch from OpenAL to custom Scheme mixer
 I've decided that OpenAL is too high level to be a library that
 Chickadee should rely upon, since part of the goal of Chickadee is to
@@ -80,6 +79,9 @@ naive way that does not use physically-based equations.
 ** TODO [#C] Right-to-left text rendering
 ** TODO [#C] Top-to-bottom text rendering
 ** TODO [#C] Octree spatial partitioning
+** DONE [#A] Fix 9-patch rendering not working with texture regions
+** DONE [#A] Add #:clear-color argument to run-game
+** DONE [#A] Tests for (chickadee math rect)
 ** DONE [#A] Add matrix{3,4}-copy! procedures
 ** DONE [#A] Load palleted PNGs
 ** DONE [#A] Remove SDL2-image dependency