private InstanceModelResources CreateInstanceResources()
{
var instanceResources = new InstanceModelResources();
instanceResources.TransformationBuffer = GraphicsProvider.ResourceFactory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
instanceResources.NodeBuffers = new DeviceBuffer[_loadedResources.GeosetCount];
instanceResources.Pipelines = new Pipeline[_loadedResources.GeosetCount][];
instanceResources.ResourceSets = new ResourceSet[_loadedResources.GeosetCount][];
for (var geoset = 0; geoset < _loadedResources.GeosetCount; geoset++)
{
instanceResources.NodeBuffers[geoset] = GraphicsProvider.ResourceFactory.CreateBuffer(new BufferDescription(
NodeAnimInfo.BlittableSize, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var material = _loadedResources.Materials[_loadedResources.MaterialIds[geoset]];
var layers = material.Layers;
var hasFSFlag = material.RenderMode.HasFlag(MaterialRenderMode.FullResolution);
instanceResources.Pipelines[geoset] = new Pipeline[layers.Length];
instanceResources.ResourceSets[geoset] = new ResourceSet[layers.Length];
for (var layer = 0; layer < layers.Length; layer++)
{
var cachedPipeline = GraphicsProvider.ResourceFactory.GetPipeline(new SimplePipelineDescription
{
FilterMode = FilterMode.Blend,
FaceType = FaceType.Triangles,
OutputDescription = GraphicsProvider.GraphicsDevice.SwapchainFramebuffer.OutputDescription,
});
instanceResources.Pipelines[geoset][layer] = cachedPipeline.Pipeline;
instanceResources.ResourceSets[geoset][layer] = GraphicsProvider.ResourceFactory.CreateResourceSet(new ResourceSetDescription(
cachedPipeline.ResourceLayout,
hasFSFlag ? GraphicsProvider.FullScreenProjectionBuffer : GraphicsProvider.ProjectionBuffer,
hasFSFlag ? GraphicsProvider.FullScreenViewBuffer : GraphicsProvider.ViewBuffer,
hasFSFlag ? GraphicsProvider.FullScreenWorldBuffer : GraphicsProvider.WorldBuffer,
instanceResources.TransformationBuffer,
instanceResources.NodeBuffers[geoset],
_sharedResources.Textures[layers[layer].TextureId],
GraphicsProvider.GraphicsDevice.Aniso4xSampler));
}
}
return(instanceResources);
}
private void CreateResources(LoadedModelResources?modelResources, string?modelPath)
{
var isModelCached = _cachedResources.TryGetValue(modelPath ?? string.Empty, out var cachedResources);
if (isModelCached)
{
_loadedResources = cachedResources.LoadedResources;
_sharedResources = cachedResources.SharedResources;
}
else
{
if (modelResources is null)
{
using (var modelStream = GraphicsProvider.Path2ModelStream(modelPath))
{
if (modelStream is null)
{
throw new FileNotFoundException(modelPath);
}
_loadedResources = ModelLoader.LoadModel(modelStream);
}
}
else
{
_loadedResources = modelResources;
}
_sharedResources = CreateSharedResources(_loadedResources);
if (!string.IsNullOrEmpty(modelPath))
{
_cachedResources.Add(modelPath, new CachedModelResources
{
LoadedResources = _loadedResources,
SharedResources = _sharedResources,
});
}
}
_instanceResources = CreateInstanceResources();
}
private InstanceModelResources CreateInstanceResources()
{
var instanceResources = new InstanceModelResources();
instanceResources.TransformationBuffer = GraphicsProvider.ResourceFactory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
instanceResources.NodeBuffers = new DeviceBuffer[_loadedResources.GeosetCount];
instanceResources.Pipelines = new Pipeline[_loadedResources.GeosetCount][];
instanceResources.ResourceSets = new ResourceSet[_loadedResources.GeosetCount][];
for (var geoset = 0; geoset < _loadedResources.GeosetCount; geoset++)
{
instanceResources.NodeBuffers[geoset] = GraphicsProvider.ResourceFactory.CreateBuffer(new BufferDescription(
NodeAnimInfo.BlittableSize, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var material = _loadedResources.Materials[_loadedResources.MaterialIds[geoset]];
DeviceBuffer projection, view, world;
var modelType = material.RenderMode.HasFlag(MaterialRenderMode.FullResolution) ? ModelType.FullResolution : _modelType;
switch (modelType)
{
case ModelType.Default:
case ModelType.Sky:
projection = GraphicsProvider.ProjectionBuffer;
view = GraphicsProvider.ViewBuffer;
world = GraphicsProvider.WorldBuffer;
break;
case ModelType.FullResolution:
projection = GraphicsProvider.FullResolutionProjectionBuffer;
view = GraphicsProvider.FullResolutionViewBuffer;
world = GraphicsProvider.FullResolutionWorldBuffer;
break;
case ModelType.UI:
projection = GraphicsProvider.UIProjectionBuffer;
view = GraphicsProvider.UIViewBuffer;
world = GraphicsProvider.UIWorldBuffer;
break;
default: throw new InvalidEnumArgumentException(nameof(modelType), (int)modelType, typeof(ModelType));
}
var layers = material.Layers;
instanceResources.Pipelines[geoset] = new Pipeline[layers.Length];
instanceResources.ResourceSets[geoset] = new ResourceSet[layers.Length];
for (var layer = 0; layer < layers.Length; layer++)
{
var cachedPipeline = GraphicsProvider.ResourceFactory.GetPipeline(new SimplePipelineDescription
{
FilterMode = layers[layer].FilterMode,
FaceType = FaceType.Triangles,
LayerShading = layers[layer].ShadingFlags,
OutputDescription = GraphicsProvider.GraphicsDevice.SwapchainFramebuffer.OutputDescription,
});
instanceResources.Pipelines[geoset][layer] = cachedPipeline.Pipeline;
instanceResources.ResourceSets[geoset][layer] = GraphicsProvider.ResourceFactory.CreateResourceSet(new ResourceSetDescription(
cachedPipeline.ResourceLayout,
projection,
view,
world,
instanceResources.TransformationBuffer,
instanceResources.NodeBuffers[geoset],
_sharedResources.Textures[layers[layer].TextureId],
GraphicsProvider.GraphicsDevice.Aniso4xSampler));
}
}
return(instanceResources);
}
private void CreateResources(LoadedModelResources?modelResources, string?modelPath)
{
var isModelCached = _cachedResources.TryGetValue(modelPath ?? string.Empty, out var cachedResources);
if (isModelCached)
{
_loadedResources = cachedResources.LoadedResources;
_sharedResources = cachedResources.SharedResources;
_batch = _modelBatches[cachedResources];
}
else
{
if (modelResources is null)
{
using (var modelStream = GraphicsProvider.Path2ModelStream(modelPath !))
{
if (modelStream is null)
{
throw new FileNotFoundException(modelPath);
}
try
{
_loadedResources = ModelLoader.LoadModel(modelStream);
}
catch (Exception e)
{
throw new InvalidDataException($"Unable to load model: {modelPath}", e);
}
}
}
else
{
_loadedResources = modelResources;
}
_sharedResources = CreateSharedResources(_loadedResources);
cachedResources = new CachedModelResources
{
LoadedResources = _loadedResources,
SharedResources = _sharedResources,
};
_batch = new ModelBatch
{
Models = new HashSet <ModelInstance>(),
};
_modelBatches.Add(cachedResources, _batch);
if (!string.IsNullOrEmpty(modelPath))
{
_cachedResources.Add(modelPath, cachedResources);
}
}
_instanceResources = CreateInstanceResources();
_batch.Models.Add(this);
}