HLSL: Implement invariant as precise.

Only option we have.

1 files changed, 40 insertions, 0 deletions

diff --git a/reference/opt/shaders-hlsl/vert/invariant.vert b/reference/opt/shaders-hlsl/vert/invariant.vert
new file mode 100644
index 00000000..54739626
--- /dev/null
+++ b/reference/opt/shaders-hlsl/vert/invariant.vert
@@ -0,0 +1,40 @@
+static float4 gl_Position;
+static float4 vInput0;
+static float4 vInput1;
+static float4 vInput2;
+static float4 vColor;
+
+struct SPIRV_Cross_Input
+{
+    float4 vInput0 : TEXCOORD0;
+    float4 vInput1 : TEXCOORD1;
+    float4 vInput2 : TEXCOORD2;
+};
+
+struct SPIRV_Cross_Output
+{
+    precise float4 vColor : TEXCOORD0;
+    precise float4 gl_Position : SV_Position;
+};
+
+void vert_main()
+{
+    float4 _20 = vInput1 * vInput2;
+    float4 _21 = vInput0 + _20;
+    gl_Position = _21;
+    float4 _27 = vInput0 - vInput1;
+    float4 _29 = _27 * vInput2;
+    vColor = _29;
+}
+
+SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
+{
+    vInput0 = stage_input.vInput0;
+    vInput1 = stage_input.vInput1;
+    vInput2 = stage_input.vInput2;
+    vert_main();
+    SPIRV_Cross_Output stage_output;
+    stage_output.gl_Position = gl_Position;
+    stage_output.vColor = vColor;
+    return stage_output;
+}