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core/math/linalg/glsl/linalg_glsl.odin

@@ -19,6 +19,7 @@ LN10         :: 2.30258509299404568401799145468436421
 
 F32_EPSILON :: 1e-7
 
+// Odin matrices are stored internally as Column-Major, which matches OpenGL/GLSL by default
 mat2 :: distinct matrix[2, 2]f32
 mat3 :: distinct matrix[3, 3]f32
 mat4 :: distinct matrix[4, 4]f32
@@ -26,7 +27,10 @@ mat2x2 :: mat2
 mat3x3 :: mat3
 mat4x4 :: mat4
 
-// Should this be renamed the other way around?
+// IMPORTANT NOTE: These data types are "backwards" in normal mathematical terms
+// but they match how GLSL and OpenGL defines them in name
+// Odin: matrix[R, C]f32 
+// GLSL: matCxR
 mat3x2 :: distinct matrix[2, 3]f32
 mat4x2 :: distinct matrix[2, 4]f32
 mat2x3 :: distinct matrix[3, 2]f32