Merge pull request #1722 from billhollings/row-maj-mtx-store-from-const

MSL: Support row-major transpose when storing matrix from constant RHS matrix.

1 files changed, 17 insertions, 0 deletions

diff --git a/shaders-msl/comp/mat3-row-maj-read-write-const.comp b/shaders-msl/comp/mat3-row-maj-read-write-const.comp
new file mode 100644
index 00000000..068ad797
--- /dev/null
+++ b/shaders-msl/comp/mat3-row-maj-read-write-const.comp
@@ -0,0 +1,17 @@
+#version 450
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+
+layout(set = 0, binding = 1, std430) buffer model_t
+{
+    layout(row_major) mediump mat3 mtx_rm;
+} model;
+
+void main()
+{
+    mat3 mtx_cm = model.mtx_rm;
+    mat3 mtx1 = mtx_cm * mat3(vec3(4.0, -3.0, 1.0), vec3(-7.0, 7.0, -7.0), vec3(-5.0, 6.0, -8.0));
+    if (mtx1[0][0] != 0.0)
+    {
+	    model.mtx_rm = mat3(vec3(-5.0, -3.0, -5.0), vec3(-2.0, 2.0, -5.0), vec3(6.0, 3.0, -8.0));
+    }
+}