Ejemplo n.º 1
0
        /// <summary>
        /// Get a shader stages data to match the passed material if one exisits in the cache otherwise create a new one
        /// </summary>
        /// <param name="shaderResources"></param>
        /// <param name="customDefines"></param>
        /// <param name="specializationContants"></param>
        /// <returns></returns>

        public static ShaderStagesInfo GetOrCreateShaderStagesInfo(ShaderResource[] shaderResources, string customDefines, int[] specializationContants)
        {
            List <ShaderStageInfo> stages = new List <ShaderStageInfo>();

            foreach (ShaderResource shaderResource in shaderResources)
            {
                stages.Add(GetOrCreateShaderStageInfo(shaderResource, customDefines, specializationContants));
            }

            ShaderStagesInfo shaderStages = new ShaderStagesInfo
            {
                stages      = stages.ToArray(),
                stagesCount = stages.Count
            };

            // see if we have one that matches
            foreach (int idkey in _shaderStagesInfoCache.Keys)
            {
                ShaderStagesInfo ssd = _shaderStagesInfoCache[idkey];
                if (ssd.Equals(shaderStages))
                {
                    return(ssd);
                }
            }

            // must be new
            shaderStages.id = _shaderStagesInfoCache.Count;
            _shaderStagesInfoCache[shaderStages.id] = shaderStages;

            return(shaderStages);
        }
Ejemplo n.º 2
0
        private static void ExportTerrainMesh(Terrain terrain, ExportSettings settings, List <PipelineData> storePipelines = null)
        {
            TerrainConverter.TerrainInfo terrainInfo = TerrainConverter.CreateTerrainInfo(terrain, settings);

            if (terrainInfo == null || ((terrainInfo.diffuseTextureDatas.Count == 0 || terrainInfo.maskTextureDatas.Count == 0) && terrainInfo.customMaterial == null))
            {
                return;
            }

            // add stategroup and pipeline for shader
            GraphBuilderInterface.unity2vsg_AddStateGroupNode();

            PipelineData pipelineData = new PipelineData();

            pipelineData.hasNormals     = 1;
            pipelineData.uvChannelCount = 1;
            pipelineData.useAlpha       = 0;

            if (terrainInfo.customMaterial == null)
            {
                pipelineData.descriptorBindings = NativeUtils.WrapArray(terrainInfo.descriptorBindings.ToArray());
                ShaderStagesInfo shaderStagesInfo = MaterialConverter.GetOrCreateShaderStagesInfo(terrainInfo.shaderMapping.shaders.ToArray(), string.Join(",", terrainInfo.shaderDefines.ToArray()), terrainInfo.shaderConsts.ToArray());
                pipelineData.shaderStages = shaderStagesInfo.ToNative();

                pipelineData.id = NativeUtils.ToNative(NativeUtils.GetIDForPipeline(pipelineData));
                storePipelines.Add(pipelineData);

                if (GraphBuilderInterface.unity2vsg_AddBindGraphicsPipelineCommand(pipelineData, 1) == 1)
                {
                    if (terrainInfo.diffuseTextureDatas.Count > 0)
                    {
                        DescriptorImageData layerDiffuseTextureArray = MaterialConverter.GetOrCreateDescriptorImageData(terrainInfo.diffuseTextureDatas.ToArray(), 0);
                        GraphBuilderInterface.unity2vsg_AddDescriptorImage(layerDiffuseTextureArray);
                    }

                    if (terrainInfo.diffuseScales.Count > 0)
                    {
                        DescriptorVectorArrayUniformData scalesDescriptor = new DescriptorVectorArrayUniformData();
                        scalesDescriptor.binding = 2;
                        scalesDescriptor.value   = NativeUtils.WrapArray(terrainInfo.diffuseScales.ToArray());
                        GraphBuilderInterface.unity2vsg_AddDescriptorBufferVectorArray(scalesDescriptor);
                    }

                    DescriptorVectorUniformData sizeDescriptor = new DescriptorVectorUniformData();
                    sizeDescriptor.binding = 3;
                    sizeDescriptor.value   = NativeUtils.ToNative(terrainInfo.terrainSize);
                    GraphBuilderInterface.unity2vsg_AddDescriptorBufferVector(sizeDescriptor);

                    if (terrainInfo.maskTextureDatas.Count > 0)
                    {
                        DescriptorImageData layerMaskTextureArray = MaterialConverter.GetOrCreateDescriptorImageData(terrainInfo.maskTextureDatas.ToArray(), 1);
                        GraphBuilderInterface.unity2vsg_AddDescriptorImage(layerMaskTextureArray);
                    }

                    GraphBuilderInterface.unity2vsg_CreateBindDescriptorSetCommand(1);

                    GraphBuilderInterface.unity2vsg_AddVertexIndexDrawNode(MeshConverter.GetOrCreateVertexIndexDrawData(terrainInfo.terrainMesh));
                    GraphBuilderInterface.unity2vsg_EndNode(); // step out of vertex index draw node
                }
            }
            else
            {
                pipelineData.descriptorBindings = NativeUtils.WrapArray(terrainInfo.customMaterial.descriptorBindings.ToArray());
                pipelineData.shaderStages       = terrainInfo.customMaterial.shaderStages.ToNative();
                pipelineData.id = NativeUtils.ToNative(NativeUtils.GetIDForPipeline(pipelineData));
                storePipelines.Add(pipelineData);

                if (GraphBuilderInterface.unity2vsg_AddBindGraphicsPipelineCommand(pipelineData, 1) == 1)
                {
                    BindDescriptors(terrainInfo.customMaterial, true);

                    GraphBuilderInterface.unity2vsg_AddVertexIndexDrawNode(MeshConverter.GetOrCreateVertexIndexDrawData(terrainInfo.terrainMesh));
                    GraphBuilderInterface.unity2vsg_EndNode(); // step out of vertex index draw node
                }
            }
            GraphBuilderInterface.unity2vsg_EndNode(); // step out of stategroup node
        }