Fix alignment computation for `std140` uniforms

Fixes #55

I was incorrectly computing alignment as `elementSize * elementAlignment`, rounded up to a power of two (which works out to be `elementSize` squared), when I should have been using `elementSize * elementCount`, rounded up to a power of two.

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/reflection/gh-55.glsl b/tests/reflection/gh-55.glsl
new file mode 100644
index 000000000..4ced68c9e
--- /dev/null
+++ b/tests/reflection/gh-55.glsl
@@ -0,0 +1,13 @@
+//TEST(smoke):SIMPLE:-profile ps_4_0 -target reflection-json
+
+// Confirm fix for GitHub issue #55
+
+layout(set = 0, binding = 0)
+uniform PerFrameCB
+{
+	vec2 offset;
+	vec2 scale;
+};
+
+void main()
+{}