86 lines
3.9 KiB
C#
86 lines
3.9 KiB
C#
using NUnit.Framework;
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using System;
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namespace UnityEngine.Rendering.Universal.Tests
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{
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/// <summary>
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/// Tests for terrain shaders in the Universal Render Pipeline.
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/// Verifies that terrain detail shaders are available through both Shader.Find() and UniversalRenderPipelineAsset properties.
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/// </summary>
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class TerrainShaderTests
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{
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UniversalRenderPipelineAsset m_UrpAsset;
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[SetUp]
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public void Setup()
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{
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// Only run this with URP in smoke tests.
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if (GraphicsSettings.currentRenderPipeline is not UniversalRenderPipelineAsset)
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Assert.Ignore("URP Only test");
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m_UrpAsset = GraphicsSettings.currentRenderPipeline as UniversalRenderPipelineAsset;
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}
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/// <summary>
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/// Tests that the URP terrain detail shaders can be found using Shader.Find().
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/// </summary>
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[TestCaseSource(nameof(ShaderNames))]
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public void TerrainShaders_ShaderFind_ReturnsValidShader(string shaderName)
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{
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#if !ENABLE_TERRAIN_MODULE && !UNITY_EDITOR
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Assert.Ignore("Test is ignored in player build because Terrain module is disabled.");
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#endif
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var shader = Shader.Find(shaderName);
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Assert.IsNotNull(shader, $"{shaderName} should be found via Shader.Find()");
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Assert.IsTrue(shader.isSupported, $"{shaderName} should be supported on current platform");
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}
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private static readonly string[] ShaderNames =
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{
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"Hidden/TerrainEngine/Details/UniversalPipeline/Vertexlit",
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"Hidden/TerrainEngine/Details/UniversalPipeline/WavingDoublePass",
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"Hidden/TerrainEngine/Details/UniversalPipeline/BillboardWavingDoublePass"
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};
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/// <summary>
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/// Tests that the UniversalRenderPipelineAsset terrain detail shader properties returns valid shaders.
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/// </summary>
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[TestCaseSource(nameof(URPShaderAccessors))]
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public void UniversalRenderPipelineAsset_TerrainShaders_ReturnsValidShaders(Func<UniversalRenderPipelineAsset, Shader> getShader, string description)
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{
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#if !ENABLE_TERRAIN_MODULE && !UNITY_EDITOR
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Assert.Ignore("Test is ignored in player build because Terrain module is disabled.");
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#endif
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Assert.IsNotNull(m_UrpAsset, "UniversalRenderPipelineAsset should be available");
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var shader = getShader(m_UrpAsset);
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Assert.IsNotNull(shader, $"{description} should not be null");
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Assert.IsTrue(shader.isSupported, $"{description} should be supported on current platform");
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}
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/// <summary>
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/// Tests that the UniversalRenderPipelineAsset terrain detail shader properties return null when Terrain module is disabled.
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/// </summary>
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[TestCaseSource(nameof(URPShaderAccessors))]
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public void UniversalRenderPipelineAsset_TerrainShaders_AreNullWhenTerrainModuleIsDisabled(Func<UniversalRenderPipelineAsset, Shader> getShader, string description)
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{
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#if ENABLE_TERRAIN_MODULE
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Assert.Ignore("Test is ignored because Terrain module is enabled.");
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#endif
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#if UNITY_EDITOR
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Assert.Ignore("Test is ignored because shaders are always available in the editor.");
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#endif
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Assert.IsNotNull(m_UrpAsset, "UniversalRenderPipelineAsset should be available");
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var shader = getShader(m_UrpAsset);
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Assert.IsNull(shader, $"{description} should be be null");
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}
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private static readonly object[] URPShaderAccessors =
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{
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new object[] { new Func<UniversalRenderPipelineAsset, Shader>(a => a.terrainDetailLitShader), "URP terrainDetailLitShader" },
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new object[] { new Func<UniversalRenderPipelineAsset, Shader>(a => a.terrainDetailGrassShader), "URP terrainDetailGrassShader" },
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new object[] { new Func<UniversalRenderPipelineAsset, Shader>(a => a.terrainDetailGrassBillboardShader), "URP terrainDetailGrassBillboardShader" }
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};
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}
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}
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