testuite: Add opacity-overdraw test

Tests that overdrawing of content inside an opacity node happens before
the opacity is applied.

This is broken in the GL renderer and causes the opacity.ui reftest to
fail.

diff --git a/testsuite/gsk/compare/opacity-overdraw.node b/testsuite/gsk/compare/opacity-overdraw.node
new file mode 100644 (file)
index 0000000..78057f4
--- /dev/null
+++ b/testsuite/gsk/compare/opacity-overdraw.node
@@ -0,0 +1,15 @@
+opacity {
+  child: transform {
+    transform: translate(15, 15);
+    child: container {
+      color {
+        bounds: -15 -15 30 30;
+        color: rgb(0,0,255);
+      }
+      color {
+        bounds: -10 -10 20 20;
+        color: rgb(255,0,0);
+      }
+    }
+  }
+}

diff --git a/testsuite/gsk/compare/opacity-overdraw.png b/testsuite/gsk/compare/opacity-overdraw.png
new file mode 100644 (file)
index 0000000..4499664
Binary files /dev/null and b/testsuite/gsk/compare/opacity-overdraw.png differ

diff --git a/testsuite/gsk/meson.build b/testsuite/gsk/meson.build
index d225653491f19050867a88e40a95caa0ed1bfde3..5ba5f735204ba14f7056c3aca04b75fa8475e3e0 100644 (file)
--- a/testsuite/gsk/meson.build
+++ b/testsuite/gsk/meson.build
@@ -62,6 +62,7 @@ compare_render_tests = [
   'issue-3615',
   'nested-rounded-clips',
   'opacity_clip',
+  'opacity-overdraw',
   'opacity-overlapping-children',
   'outset_shadow_offset_both',
   'outset_shadow_offset_x',