//TODO: Refactor renderFlag preEffectsInstancingFlag and instancingFlag into an class/struct
public ModelRuntimeDescriptor(Model <T, RealtimeMaterial> modelIn, string vShaderName, string fShaderName, VertexRuntimeTypes vertexRuntimeType, PrimitiveTopology primitiveTopology, RenderDescription renderDescription, InstancingRenderDescription instancingRenderDescription)
{
if (!Verifier.VerifyVertexStruct <T>(vertexRuntimeType))
{
throw new ArgumentException($"Type Mismatch ModelRuntimeDescriptor");
}
Model = modelIn;
Length = modelIn.MeshCount;
TotalInstanceCount = 1;
_vertexShaderName = vShaderName;
_fragmentShaderName = fShaderName;
VertexRuntimeType = vertexRuntimeType;
PrimitiveTopology = primitiveTopology;
RenderDescription = renderDescription;
PreEffectsFlag = RenderFlags.PRE_EFFECTS_MASK & renderDescription.RenderModeFlag;
PreEffectsInstancingFlag = instancingRenderDescription.PreEffectsFlag;
InstancingDataFlag = instancingRenderDescription.RenderModeFlag;
var preEffectsInstancing = RenderFlags.GetAllPreEffectFor(PreEffectsInstancingFlag);
VertexBufferList = new List <DeviceBuffer>();
IndexBufferList = new List <DeviceBuffer>();
Pipelines = new Pipeline[RenderFlags.EFFCTS_TOTAL_COUNT];
InstanceBufferLists = new List <DeviceBuffer> [RenderFlags.EFFCTS_TOTAL_COUNT];
InstanceBufferLists[RenderFlags.NORMAL_ARRAY_INDEX] = new List <DeviceBuffer>();
foreach (var preEffect in preEffectsInstancing)
{
InstanceBufferLists[RenderFlags.GetArrayIndexForFlag(preEffect)] = new List <DeviceBuffer>();
}
InstanceBuffers = new DeviceBuffer[RenderFlags.EFFCTS_TOTAL_COUNT][];
TextureResourceSetsList = new List <ResourceSet>();
VertexInstanceLayoutGenerationList = new EventHandlerList();
VertexPreEffectsInstanceLayoutGenerationList = new EventHandlerList();
VertexPreEffectShaders = new Shader[RenderFlags.PRE_EFFCTS_TOTAL_COUNT];
GeometryPreEffectShaders = new Shader[RenderFlags.PRE_EFFCTS_TOTAL_COUNT];
FragmentPreEffectShaders = new Shader[RenderFlags.PRE_EFFCTS_TOTAL_COUNT];
// Reserve first spot for base vertex geometry
//TODO: Make on list
VertexLayouts = new VertexLayoutDescription[InstancingDataFlags.GetSizeOfPreEffectFlag(InstancingDataFlag) + 1];
VertexPreEffectsLayouts = new VertexLayoutDescription[RenderFlags.GetSizeOfPreEffectFlag(PreEffectsInstancingFlag) + 1];
EffectResourceSets = new ResourceSet[RenderFlags.EFFCTS_TOTAL_COUNT][];
for (int i = 0; i < RenderFlags.EFFCTS_TOTAL_COUNT; i++)
{
EffectResourceSets[i] = new ResourceSet[0];
}
}
/// <summary>
/// Formats Lists to Arrays for the Commandlist generation.
/// These items are used only during the renderloop
/// </summary>
public void FormatResourcesForRuntime()
{
VertexBuffers = VertexBufferList.ToArray();
IndexBuffers = IndexBufferList.ToArray();
TextureResourceSets = TextureResourceSetsList.ToArray();
foreach (var flag in RenderFlags.ALL_RENDER_FLAGS)
{
var index = RenderFlags.GetArrayIndexForFlag(flag);
var instanceBufferList = InstanceBufferLists[index];
InstanceBuffers[index] = instanceBufferList == null ? new DeviceBuffer[0] : InstanceBufferLists[index].ToArray();
}
}
//TODO: Data driven -> should refactor so that all GenerateRenderCommandsForModelDescriptor use this structure
public static void GenerateRenderCommandsForModelDescriptor(CommandList commandList,
ModelRuntimeDescriptor <VertexPositionNormalTextureTangentBitangent>[] descriptorArray,
SceneRuntimeDescriptor sceneRuntimeDescriptor,
MeshBVH <VertexPositionNormalTextureTangentBitangent>[] meshBVHArray,
RenderDescription renderDescription)
{
var meshCount = meshBVHArray.Length;
for (int j = 0; j < meshCount; j++)
{
var meshBVH = meshBVHArray[j];
if (!meshBVH.AABBIsValid)
{
continue;
}
var modelStateIndex = meshBVH.ModelRuntimeIndex;
var meshIndex = meshBVH.MeshRuntimeIndex;
var modelState = descriptorArray[modelStateIndex];
var model = modelState.Model;
var modelRenderFlag = modelState.RenderDescription.RenderModeFlag;
var currentRenderState = modelRenderFlag & renderDescription.RenderModeFlag;
if (currentRenderState == RenderFlags.NONE)
{
continue;
}
var renderStateArrayIndex = RenderFlags.GetArrayIndexForFlag(currentRenderState);
commandList.SetPipeline(modelState.Pipelines[renderStateArrayIndex]);
var effectsInstanceBuffer = modelState.InstanceBuffers[renderStateArrayIndex];
// We assume one other vertex buffer has been bound or will be bound.
for (int i = 0; i < effectsInstanceBuffer.Length; i++)
{
commandList.SetVertexBuffer(i.ToUnsigned() + 1, effectsInstanceBuffer[i]);
}
var effectSets = modelState.EffectResourceSets[renderStateArrayIndex];
var mesh = model.GetMesh(j);
var material = model.GetMaterial(meshIndex);
RenderCommandGenerator.GenerateCommandsForPNTTB_Inline(
commandList,
modelState,
meshIndex,
sceneRuntimeDescriptor,
effectSets,
material,
mesh,
modelState.TotalInstanceCount
);
}
}
public static void GenerateRenderCommandsForModelDescriptor <T>(CommandList commandList,
ModelRuntimeDescriptor <T>[] descriptorArray,
SceneRuntimeDescriptor sceneRuntimeDescriptor,
RenderDescription renderDescription,
VertexRuntimeTypes vertexRuntimeType) where T : struct, VertexLocateable
{
for (int j = 0; j < descriptorArray.Length; j++)
{
var modelState = descriptorArray[j];
var modelRenderFlag = modelState.RenderDescription.RenderModeFlag;
var currentRenderState = modelRenderFlag & renderDescription.RenderModeFlag;
if (currentRenderState == RenderFlags.NONE)
{
continue;
}
var renderStateArrayIndex = RenderFlags.GetArrayIndexForFlag(currentRenderState);
commandList.SetPipeline(modelState.Pipelines[renderStateArrayIndex]);
var effectsInstanceBuffer = modelState.InstanceBuffers[renderStateArrayIndex];
// We assume one other vertex buffer has been bound or will be bound.
for (int i = 0; i < effectsInstanceBuffer.Length; i++)
{
commandList.SetVertexBuffer(i.ToUnsigned() + 1, effectsInstanceBuffer[i]);
}
var effectSets = modelState.EffectResourceSets[renderStateArrayIndex];
var model = modelState.Model;
for (int i = 0; i < model.MeshCount; i++)
{
if (!model.GetMeshBVH(i).AABBIsValid)
{
continue;
}
var mesh = model.GetMesh(i);
var material = model.GetMaterial(i);
//TODO: @Investiagte this
if ((renderDescription.RenderModeFlag & RenderFlags.SHADOW_MAP) == RenderFlags.SHADOW_MAP || (renderDescription.RenderModeFlag & RenderFlags.OMNI_SHADOW_MAPS) == RenderFlags.OMNI_SHADOW_MAPS || vertexRuntimeType == VertexRuntimeTypes.VertexPositionColor)
{
RenderCommandGenerator.GenerateCommandsForMesh_Inline(
commandList,
modelState,
i,
sceneRuntimeDescriptor,
effectSets,
mesh,
modelState.TotalInstanceCount
);
}
else
{
switch (vertexRuntimeType)
{
case VertexRuntimeTypes.VertexPosition:
RenderCommandGenerator.GenerateCommandsForP_Inline(
commandList,
modelState as ModelRuntimeDescriptor <VertexPosition>,
i,
sceneRuntimeDescriptor,
effectSets,
mesh as Mesh <VertexPosition>,
modelState.TotalInstanceCount
);
break;
case VertexRuntimeTypes.VertexPositionTexture:
RenderCommandGenerator.GenerateCommandsForPT_Inline(
commandList,
modelState as ModelRuntimeDescriptor <VertexPositionTexture>,
i,
sceneRuntimeDescriptor,
effectSets,
mesh as Mesh <VertexPositionTexture>,
modelState.TotalInstanceCount
);
break;
case VertexRuntimeTypes.VertexPositionNormal:
RenderCommandGenerator.GenerateCommandsForPN_Inline(
commandList,
modelState as ModelRuntimeDescriptor <VertexPositionNormal>,
i,
sceneRuntimeDescriptor,
effectSets,
material,
mesh as Mesh <VertexPositionNormal>,
modelState.TotalInstanceCount
);
break;
case VertexRuntimeTypes.VertexPositionNormalTextureTangentBitangent:
RenderCommandGenerator.GenerateCommandsForPNTTB_Inline(
commandList,
modelState as ModelRuntimeDescriptor <VertexPositionNormalTextureTangentBitangent>,
i,
sceneRuntimeDescriptor,
effectSets,
material,
mesh as Mesh <VertexPositionNormalTextureTangentBitangent>,
modelState.TotalInstanceCount
);
break;
default:
var errorStr = "Type: " + typeof(T).Name + " not implemented";
throw new System.NotImplementedException(errorStr);
}
}
}
}
}
/// <summary>
/// Sets delegates for runtime command generation.
/// Also updates index and vertex buffers, sets pipeline
/// </summary>
/// <param name="modelDescriptor">Model descriptor.</param>
/// <param name="sceneRuntimeDescriptor">Scene runtime descriptor.</param>
/// <param name="instancingData">Instance data enumerable.</param>
/// <typeparam name="T">The type of Vertex sent to the GPU</typeparam>
protected void FillRuntimeDescriptor <T>(ModelRuntimeDescriptor <T> modelDescriptor, SceneRuntimeDescriptor sceneRuntimeDescriptor, IEnumerable <InstanceData> instancingData) where T : struct, VertexRuntime, VertexLocateable
{
var model = modelDescriptor.Model;
modelDescriptor.TextureResourceLayout = modelDescriptor.InvokeTextureResourceLayoutGeneration(_factory);
modelDescriptor.TextureSampler = modelDescriptor.InvokeSamplerGeneration(_factory);
modelDescriptor.LoadShaders(_graphicsDevice);
byte vertexSizeInBytes = model.GetMesh(0).Vertices[0].GetSizeInBytes();
var meshCount = model.MeshCount;
for (int i = 0; i < meshCount; i++)
{
var mesh = model.GetMesh(i);
var meshBVH = model.GetMeshBVH(i);
DeviceBuffer vertexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Vertices.LengthUnsigned() * vertexSizeInBytes, BufferUsage.VertexBuffer));
DeviceBuffer indexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Indices.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
modelDescriptor.VertexBufferList.Add(vertexBuffer);
modelDescriptor.IndexBufferList.Add(indexBuffer);
var allInstancePreEffects = RenderFlags.GetAllPreEffectFor(modelDescriptor.PreEffectsInstancingFlag);
foreach (var instanceData in instancingData)
{
var instanceDataBuffer = ResourceGenerator.AllocateInstanceDataBuffer(instanceData, _graphicsDevice, _factory);
if (instanceDataBuffer != null)
{
modelDescriptor.InstanceBufferLists[RenderFlags.NORMAL_ARRAY_INDEX].Add(instanceDataBuffer);
foreach (var preEffect in allInstancePreEffects)
{
modelDescriptor.InstanceBufferLists[RenderFlags.GetArrayIndexForFlag(preEffect)].Add(instanceDataBuffer);
}
}
}
_graphicsDevice.UpdateBuffer <T>(vertexBuffer, 0, ref mesh.Vertices[0], (vertexSizeInBytes * mesh.VertexCount).ToUnsigned());
_graphicsDevice.UpdateBuffer <ushort>(indexBuffer, 0, ref mesh.Indices[0], (sizeof(ushort) * mesh.IndexCount).ToUnsigned());
var resourceSet = modelDescriptor.InvokeTextureResourceSetGeneration(i, _factory, _graphicsDevice);
if (resourceSet != null)
{
modelDescriptor.TextureResourceSetsList.Add(resourceSet);
}
}
var rasterizerStateCullBack = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
);
var rasterizerStateCullFront = new RasterizerStateDescription(
cullMode: FaceCullMode.Front,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
);
var rasterizerStateCullNone = new RasterizerStateDescription(
cullMode: FaceCullMode.None,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
);
modelDescriptor.InvokeVertexLayoutGeneration();
var shadowMapIndex = RenderFlags.GetArrayIndexForFlag(RenderFlags.SHADOW_MAP);
var omniShadowMapIndex = RenderFlags.GetArrayIndexForFlag(RenderFlags.OMNI_SHADOW_MAPS);
modelDescriptor.Pipelines[shadowMapIndex] = modelDescriptor.ShadowMapEnabled ? _factory.CreateGraphicsPipeline(PipelineGenerator.GenerateShadowMappingPreEffectPipeline(modelDescriptor, _childrenPre[RenderFlags.GetPreEffectArrayIndexForFlag(RenderFlags.SHADOW_MAP)].SceneRuntimeDescriptor, rasterizerStateCullFront, RenderFlags.SHADOW_MAP, _childrenPre[RenderFlags.GetPreEffectArrayIndexForFlag(RenderFlags.SHADOW_MAP)].FrameBuffer)) : null;
modelDescriptor.Pipelines[omniShadowMapIndex] = modelDescriptor.OmniShadowMapEnabled ? _factory.CreateGraphicsPipeline(PipelineGenerator.GenerateOmniShadowMappingPreEffectPipeline(modelDescriptor, _childrenPre[0].SceneRuntimeDescriptor, rasterizerStateCullNone, RenderFlags.OMNI_SHADOW_MAPS, _childrenPre[0].FrameBuffer)) : null;
var effectLayoutArray = modelDescriptor.FillEffectsResourceSet(_factory, sceneRuntimeDescriptor, _childrenPre);
var normalIndex = RenderFlags.GetArrayIndexForFlag(RenderFlags.NORMAL);
switch (modelDescriptor.VertexRuntimeType)
{
// Only cube maps for now
case VertexRuntimeTypes.VertexPosition:
//TODO: Use proper constants from RenderFlags.cs
modelDescriptor.Pipelines[normalIndex] = _factory.CreateGraphicsPipeline(PipelineGenerator.GeneratePipelineP(modelDescriptor, sceneRuntimeDescriptor, rasterizerStateCullFront, _graphicsDevice.SwapchainFramebuffer, effectLayoutArray));
break;
case VertexRuntimeTypes.VertexPositionNormal:
modelDescriptor.Pipelines[normalIndex] = _factory.CreateGraphicsPipeline(PipelineGenerator.GeneratePipelinePN(modelDescriptor, sceneRuntimeDescriptor, rasterizerStateCullBack, _graphicsDevice.SwapchainFramebuffer, effectLayoutArray));
break;
case VertexRuntimeTypes.VertexPositionNormalTextureTangentBitangent:
modelDescriptor.Pipelines[normalIndex] = _factory.CreateGraphicsPipeline(PipelineGenerator.GeneratePipelinePNTTB(modelDescriptor, sceneRuntimeDescriptor, rasterizerStateCullBack, _graphicsDevice.SwapchainFramebuffer, effectLayoutArray));
break;
case VertexRuntimeTypes.VertexPositionColor:
modelDescriptor.Pipelines[normalIndex] = _factory.CreateGraphicsPipeline(PipelineGenerator.GeneratePipelinePC(modelDescriptor, sceneRuntimeDescriptor, rasterizerStateCullBack, _graphicsDevice.SwapchainFramebuffer, effectLayoutArray));
break;
case VertexRuntimeTypes.VertexPositionTexture:
modelDescriptor.Pipelines[normalIndex] = _factory.CreateGraphicsPipeline(PipelineGenerator.GeneratePipelinePT(modelDescriptor, sceneRuntimeDescriptor, rasterizerStateCullBack, _graphicsDevice.SwapchainFramebuffer, effectLayoutArray));
break;
default:
throw new NotImplementedException($"{modelDescriptor.VertexRuntimeType.ToString("g")} not implemented");
}
}