Honor NoContraction qualifier.

We'll need to force a temporary and mark it as precise.
MSL is a little weird here, but we can piggyback on top of the invariant
float math option here to force fma() operations everywhere.

1 files changed, 24 insertions, 0 deletions

diff --git a/reference/shaders/vert/no-contraction.vert b/reference/shaders/vert/no-contraction.vert
new file mode 100644
index 00000000..83e392c6
--- /dev/null
+++ b/reference/shaders/vert/no-contraction.vert
@@ -0,0 +1,24 @@
+#version 450
+
+layout(location = 0) in vec4 vA;
+layout(location = 1) in vec4 vB;
+layout(location = 2) in vec4 vC;
+
+void main()
+{
+    precise vec4 _15 = vA * vB;
+    vec4 mul = _15;
+    precise vec4 _19 = vA + vB;
+    vec4 add = _19;
+    precise vec4 _23 = vA - vB;
+    vec4 sub = _23;
+    precise vec4 _27 = vA * vB;
+    precise vec4 _30 = _27 + vC;
+    vec4 mad = _30;
+    precise vec4 _34 = mul + add;
+    precise vec4 _36 = _34 + sub;
+    precise vec4 _38 = _36 + mad;
+    vec4 summed = _38;
+    gl_Position = summed;
+}
+