KhronosGroup · spencer-lunarg · Jun 26, 2025 · Tobski · Jun 26, 2025 · Tobski
diff --git a/chapters/images/location_example_matrix.svg b/chapters/images/location_example_matrix.svg
diff --git a/chapters/location_component_interface.adoc b/chapters/location_component_interface.adoc
@@ -128,16 +128,14 @@ Some shader stages, like geometry shaders, have an array around its interface ma
 
 == Matrix
 
-A matrix is viewed as an array, which consume all 4 components.
-
-So something like
+A matrix is viewed as an array of vector, this means something like
-A matrix is viewed as an array of vector, this means something like
+A matrix is stored as an array of vector, this means something like
-A matrix is viewed as an array of vector, this means something like
+A matrix is stored as an array of vector, this means something like
 
 [source,glsl]
 ----
 layout(location = 0) in mat3x2 a;
 ----
 
-From a `Location`/`Component` point-of-view looks like
+from a `Location`/`Component` point-of-view looks like
-from a `Location`/`Component` point-of-view looks like
+consumes locations and components identically to
-from a `Location`/`Component` point-of-view looks like
+consumes locations and components identically to
 
 [source,glsl]
 ----
@@ -146,14 +144,21 @@ From a `Location`/`Component` point-of-view looks like
 layout(location = 0) in vec2 a[3];
 ----
 
-As stated above, arrays consume the whole `Location` so the following is **not** allowed.
+Just like vector, depending on the size, it may not consume the whole `Location`. This means the following is allowed.
-Just like vector, depending on the size, it may not consume the whole `Location`. This means the following is allowed.
+which in turn is stored identically to
+
+[source,glsl]
+----
+// Each vector consumes only the first 2 components of each location
+layout(location = 0) vec2 a0;
+layout(location = 1) vec2 a1;
+layout(location = 2) vec2 a2;
+----
+
+This means the following is allowed:
-Just like vector, depending on the size, it may not consume the whole `Location`. This means the following is allowed.
+which in turn is stored identically to
+
+[source,glsl]
+----
+// Each vector consumes only the first 2 components of each location
+layout(location = 0) vec2 a0;
+layout(location = 1) vec2 a1;
+layout(location = 2) vec2 a2;
+----
+
+This means the following is allowed:
 
 [source,glsl]
 ----
 layout(location = 0) in mat3x2 a;
-layout(location = 2, component = 2) in float b;
+layout(location = 1, component = 2) in float b;
+layout(location = 2, component = 2) in float c;
 ----
 
-`float b` is invalid because the implicit array of the matrix consumes all of `Location` 2.
+The `b` and `c` float are still valid here.
 
 image::{images}location_example_matrix.svg[location_example_matrix]
+
+[NOTE]
+====
+You don't need to worry about things going "in front" of a matrix because the `Component` decoration
+link:https://godbolt.org/z/f81PvP538[can not be applied on a matrix type].
-You don't need to worry about things going "in front" of a matrix because the `Component` decoration
-link:https://godbolt.org/z/f81PvP538[can not be applied on a matrix type].
+Unlike arrays or independent vectors, link:https://godbolt.org/z/f81PvP538[matrices cannot be decorated with `Component`], so will always be packed from component 0. 
-You don't need to worry about things going "in front" of a matrix because the `Component` decoration
-link:https://godbolt.org/z/f81PvP538[can not be applied on a matrix type].
+Unlike arrays or independent vectors, link:https://godbolt.org/z/f81PvP538[matrices cannot be decorated with `Component`], so will always be packed from component 0. 
+====