PreRender decomped and equivalent (one small non-matching) (#723)

* now equivalent

* stuff

* remove struct

Co-authored-by: petrie911 <pmontag@DESKTOP-LG8A167.localdomain>

include/color.h

@@ -21,4 +21,14 @@ typedef struct {
     f32 r, g, b, a;
 } Color_RGBAf;
 
+typedef union {
+    struct {
+        u16 r : 5;
+        u16 g : 5;
+        u16 b : 5;
+        u16 a : 1;
+    };
+    u16 rgba;
+} Color_RGB5A1;
+
 #endif

include/macros.h

@@ -16,6 +16,7 @@
 #define CLAMP(x, min, max) ((x) < (min) ? (min) : (x) > (max) ? (max) : (x))
 #define CLAMP_MAX(x, max) ((x) > (max) ? (max) : (x))
 #define CLAMP_MIN(x, min) ((x) < (min) ? (min) : (x))
+#define MEDIAN3(a1, a2, a3) ((a2 >= a1) ? ((a3 >= a2) ? a2 : ((a1 >= a3) ? a1 : a3)) : ((a2 >= a3) ? a2 : ((a3 >= a1) ? a1 : a3)))
 
 #define RGBA8(r, g, b, a) (((r & 0xFF) << 24) | ((g & 0xFF) << 16) | ((b & 0xFF) << 8) | ((a & 0xFF) << 0))