Movement.

2025-03-02 13:27:29 -06:00
parent c8abdcb82e
commit 639da129f6
8 changed files with 152 additions and 11 deletions
--- a/src/duskgl/display/shader/fragments/packed.glsl
+++ b/src/duskgl/display/shader/fragments/packed.glsl
@ -5,4 +5,9 @@

 uint packedGetU8(uint position, uint data) {
  return (data >> (position * 8u)) & 0xFFu;
+}
+
+int packedGetI8(uint position, uint data) {
+  int shift = int(position * 8u);
+  return int(data << (24 - shift)) >> 24;
 }