using NUnit.Framework; using UnityEngine; using UnityEditor.Graphing; namespace UnityEditor.ShaderGraph.UnitTests { [TestFixture] class ShaderGeneratorTests { [OneTimeSetUp] public void RunBeforeAnyTests() { Debug.unityLogger.logHandler = new ConsoleLogHandler(); } class TestNode : AbstractMaterialNode { public const int V1Out = 0; public const int V2Out = 1; public const int V3Out = 2; public const int V4Out = 3; public TestNode() { AddSlot(new Vector1MaterialSlot(V1Out, "V1Out", "V1Out", SlotType.Output, 0)); AddSlot(new Vector2MaterialSlot(V2Out, "V2Out", "V2Out", SlotType.Output, Vector4.zero)); AddSlot(new Vector3MaterialSlot(V3Out, "V3Out", "V3Out", SlotType.Output, Vector4.zero)); AddSlot(new Vector4MaterialSlot(V4Out, "V4Out", "V4Out", SlotType.Output, Vector4.zero)); } } [Test] public void AdaptNodeOutput1To1Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V1Out, ConcreteSlotValueType.Vector1); Assert.AreEqual(string.Format("{0}", node.GetVariableNameForSlot(TestNode.V1Out)), result); } [Test] public void AdaptNodeOutput1To2Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V1Out, ConcreteSlotValueType.Vector2); Assert.AreEqual(string.Format("({0}.xx)", node.GetVariableNameForSlot(TestNode.V1Out)), result); } [Test] public void AdaptNodeOutput1To3Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V1Out, ConcreteSlotValueType.Vector3); Assert.AreEqual(string.Format("({0}.xxx)", node.GetVariableNameForSlot(TestNode.V1Out)), result); } [Test] public void AdaptNodeOutput1To4Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V1Out, ConcreteSlotValueType.Vector4); Assert.AreEqual(string.Format("({0}.xxxx)", node.GetVariableNameForSlot(TestNode.V1Out)), result); } [Test] public void AdaptNodeOutput2To1Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V2Out, ConcreteSlotValueType.Vector1); Assert.AreEqual(string.Format("({0}).x", node.GetVariableNameForSlot(TestNode.V2Out)), result); } [Test] public void AdaptNodeOutput2To2Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V2Out, ConcreteSlotValueType.Vector2); Assert.AreEqual(string.Format("{0}", node.GetVariableNameForSlot(TestNode.V2Out)), result); } [Test] public void AdaptNodeOutput2To3Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V2Out, ConcreteSlotValueType.Vector3); Assert.AreEqual(string.Format("($precision3({0}, 0.0))", node.GetVariableNameForSlot(TestNode.V2Out)), result); } [Test] public void AdaptNodeOutput2To4Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V2Out, ConcreteSlotValueType.Vector4); Assert.AreEqual(string.Format("($precision4({0}, 0.0, 1.0))", node.GetVariableNameForSlot(TestNode.V2Out)), result); } [Test] public void AdaptNodeOutput3To1Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V3Out, ConcreteSlotValueType.Vector1); Assert.AreEqual(string.Format("({0}).x", node.GetVariableNameForSlot(TestNode.V3Out)), result); } [Test] public void AdaptNodeOutput3To2Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V3Out, ConcreteSlotValueType.Vector2); Assert.AreEqual(string.Format("({0}.xy)", node.GetVariableNameForSlot(TestNode.V3Out)), result); } [Test] public void AdaptNodeOutput3To3Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V3Out, ConcreteSlotValueType.Vector3); Assert.AreEqual(string.Format("{0}", node.GetVariableNameForSlot(TestNode.V3Out)), result); } [Test] public void AdaptNodeOutput3To4Fails() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V3Out, ConcreteSlotValueType.Vector4); Assert.AreEqual(string.Format("($precision4({0}, 1.0))", node.GetVariableNameForSlot(TestNode.V3Out)), result); } [Test] public void AdaptNodeOutput4To1Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V4Out, ConcreteSlotValueType.Vector1); Assert.AreEqual(string.Format("({0}).x", node.GetVariableNameForSlot(TestNode.V4Out)), result); } [Test] public void AdaptNodeOutput4To2Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V4Out, ConcreteSlotValueType.Vector2); Assert.AreEqual(string.Format("({0}.xy)", node.GetVariableNameForSlot(TestNode.V4Out)), result); } [Test] public void AdaptNodeOutput4To3Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V4Out, ConcreteSlotValueType.Vector3); Assert.AreEqual(string.Format("({0}.xyz)", node.GetVariableNameForSlot(TestNode.V4Out)), result); } [Test] public void AdaptNodeOutput4To4Works() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutput(node, TestNode.V4Out, ConcreteSlotValueType.Vector4); Assert.AreEqual(string.Format("{0}", node.GetVariableNameForSlot(TestNode.V4Out)), result); } [Test] public void AdaptNodeOutput1To4PreviewWorks() { var node = new TestNode(); var result = ShaderGenerator.AdaptNodeOutputForPreview(node, TestNode.V1Out); Assert.AreEqual(string.Format("half4({0}, {0}, {0}, 1.0)", node.GetVariableNameForSlot(TestNode.V1Out)), result); } [Test] public void AdaptNodeOutput2To4PreviewWorks() { var node = new TestNode(); var expected = string.Format("half4({0}.x, {0}.y, 0.0, 1.0)", node.GetVariableNameForSlot(TestNode.V2Out)); var result = ShaderGenerator.AdaptNodeOutputForPreview(node, TestNode.V2Out); Assert.AreEqual(expected, result); } [Test] public void AdaptNodeOutput3To4PreviewWorks() { var node = new TestNode(); var expected = string.Format("half4({0}.x, {0}.y, {0}.z, 1.0)", node.GetVariableNameForSlot(TestNode.V3Out)); var result = ShaderGenerator.AdaptNodeOutputForPreview(node, TestNode.V3Out); Assert.AreEqual(expected, result); } [Test] public void AdaptNodeOutput4To4PreviewWorks() { var node = new TestNode(); var expected = string.Format("half4({0}.x, {0}.y, {0}.z, 1.0)", node.GetVariableNameForSlot(TestNode.V4Out)); var result = ShaderGenerator.AdaptNodeOutputForPreview(node, TestNode.V4Out); Assert.AreEqual(expected, result); } } }