[gtk/layout-manager-transform-demo: 5/9] gsk: Handle 3d transform the test differently

[Matthias Clasen <matthiasc src gnome org>]

commit 4cbf3ffe7dab99bfc9c4b052895e1fcc036a0c24
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Sep 2 12:04:17 2020 -0400

    gsk: Handle 3d transform the test differently
    
    The perspectiv(200) does have a visual effect now,
    so do things differently.

 testsuite/gsk/compare/clip-coordinates-3d.node | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/testsuite/gsk/compare/clip-coordinates-3d.node b/testsuite/gsk/compare/clip-coordinates-3d.node
index 6b417ef16a..dd21b86711 100644
--- a/testsuite/gsk/compare/clip-coordinates-3d.node
+++ b/testsuite/gsk/compare/clip-coordinates-3d.node
@@ -1,7 +1,11 @@
 transform {
-  /* adding the perspective line here turns the matrix from a 2D
-     category into a 3D category. It does not have any visual effect. */
-  transform: perspective(200) scale(2);
+  /* We use matrix3d here to make a transform in the 3D category.
+   * It is still just a simple scale(2), but we don't tell gsk that.
+   */
+  transform: matrix3d(2, 0, 0, 0,
+                      0, 2, 0, 0,
+                      0, 0, 2, 0,
+                      0, 0, 0, 1);
   child: container {
     color {
       bounds: 0 0 50 50;