using System.Collections; using System.Collections.Generic; using UnityEditor.Build; using UnityEditor.Rendering; using UnityEngine; using UnityEngine.Rendering; using UnityEngine.Experimental.Rendering; using UnityEngine.Experimental.Rendering.HDPipeline; namespace UnityEditor.Experimental.Rendering.HDPipeline { class HDRPreprocessShaders : IPreprocessShaders { Dictionary m_StripperFuncs; HDRenderPipelineAsset m_CurrentHDRPAsset; public HDRPreprocessShaders() { // TODO: Grab correct configuration/quality asset. HDRenderPipeline hdPipeline = RenderPipelineManager.currentPipeline as HDRenderPipeline; if (hdPipeline != null) m_CurrentHDRPAsset = hdPipeline.asset; m_StripperFuncs = new Dictionary(); List materialList = HDEditorUtils.GetBaseShaderPreprocessorList(); // Fill the dictionary with material to handle foreach (BaseShaderPreprocessor material in materialList) { material.AddStripperFuncs(m_StripperFuncs); } } public int callbackOrder { get { return 0; } } public void OnProcessShader(Shader shader, ShaderSnippetData snippet, IList inputData) { // This test will also return if we are not using HDRenderPipelineAsset if (m_CurrentHDRPAsset == null || !m_CurrentHDRPAsset.allowShaderVariantStripping) return; // Do we have a shader variant stripper function for this shader? VariantStrippingFunc stripperFunc = null; m_StripperFuncs.TryGetValue(shader.name, out stripperFunc); if (stripperFunc == null) return; int inputShaderVariantCount = inputData.Count; for (int i = 0; i < inputData.Count; ++i) { ShaderCompilerData input = inputData[i]; if (stripperFunc(m_CurrentHDRPAsset, shader, snippet, input)) { inputData.RemoveAt(i); i--; } } } } }