/// <summary>
/// Render Commands for Mesh of Type:
/// <see cref="Henzai.Geometry.VertexPositionColor"/>
/// Also used in ShadowMap PrePass
///</summary>
private static void GenerateCommandsForMesh_Inline <T>(
CommandList commandList,
ModelRuntimeDescriptor <T> modelState,
int meshIndex,
SceneRuntimeDescriptor sceneRuntimeDescriptor,
ResourceSet[] effectResourceSets,
Mesh <T> mesh,
uint modelInstanceCount) where T : struct, VertexLocateable
{
var effectIndex = 1;
var vertexBuffer = modelState.VertexBuffers[meshIndex];
var indexBuffer = modelState.IndexBuffers[meshIndex];
var cameraProjViewBuffer = sceneRuntimeDescriptor.CameraProjViewBuffer;
var cameraResourceSet = sceneRuntimeDescriptor.CameraResourceSet;
commandList.SetVertexBuffer(0, vertexBuffer);
commandList.SetIndexBuffer(indexBuffer, IndexFormat.UInt16);
commandList.UpdateBuffer(cameraProjViewBuffer, 128, mesh.World);
commandList.SetGraphicsResourceSet(0, cameraResourceSet);
for (int i = 0; i < effectResourceSets.Length; i++)
{
var resourceSet = effectResourceSets[i];
var resourceSetIndex = effectIndex + i;
commandList.SetGraphicsResourceSet((uint)resourceSetIndex, resourceSet);
}
commandList.DrawIndexed(
indexCount: mesh.Indices.Length.ToUnsigned(),
instanceCount: modelInstanceCount,
indexStart: 0,
vertexOffset: 0,
instanceStart: 0
);
}
public void AddModel(ModelRuntimeDescriptor <T> modelRuntimeDescriptor)
{
var meshCount = modelRuntimeDescriptor.Length;
for (int i = 0; i < meshCount; i++)
{
var meshBVH = modelRuntimeDescriptor.Model.GetMeshBVH(i);
MeshBVHList.Add(meshBVH);
}
}
/// <summary>
/// Render Commands for Mesh of Type:
/// <see cref="Henzai.Geometry.VertexPositionNormalTextureTangentBitangent"/>
///</summary>
private static void GenerateCommandsForPNTTB_Inline(
CommandList commandList,
ModelRuntimeDescriptor <VertexPositionNormalTextureTangentBitangent> modelState,
int meshIndex,
SceneRuntimeDescriptor sceneRuntimeDescriptor,
ResourceSet[] effectResourceSets,
RealtimeMaterial material,
Mesh <VertexPositionNormalTextureTangentBitangent> mesh,
uint modelInstanceCount)
{
var effectIndex = 5;
var vertexBuffer = modelState.VertexBuffers[meshIndex];
var indexBuffer = modelState.IndexBuffers[meshIndex];
var textureResourceSet = modelState.TextureResourceSets[meshIndex];
var cameraProjViewBuffer = sceneRuntimeDescriptor.CameraProjViewBuffer;
var materialBuffer = sceneRuntimeDescriptor.MaterialBuffer;
var cameraResourceSet = sceneRuntimeDescriptor.CameraResourceSet;
var lightResourceSet = sceneRuntimeDescriptor.LightResourceSet;
var pointlightResourceSet = sceneRuntimeDescriptor.SpotLightResourceSet;
var materialResourceSet = sceneRuntimeDescriptor.MaterialResourceSet;
commandList.SetVertexBuffer(0, vertexBuffer);
commandList.SetIndexBuffer(indexBuffer, IndexFormat.UInt16);
commandList.UpdateBuffer(cameraProjViewBuffer, 128, mesh.World);
commandList.SetGraphicsResourceSet(0, cameraResourceSet); // Always after SetPipeline
commandList.SetGraphicsResourceSet(1, lightResourceSet);
commandList.SetGraphicsResourceSet(2, pointlightResourceSet);
commandList.UpdateBuffer(materialBuffer, 0, material.diffuse);
commandList.UpdateBuffer(materialBuffer, 16, material.specular);
commandList.UpdateBuffer(materialBuffer, 32, material.ambient);
commandList.UpdateBuffer(materialBuffer, 48, material.coefficients);
commandList.SetGraphicsResourceSet(3, materialResourceSet);
commandList.SetGraphicsResourceSet(4, textureResourceSet);
for (int i = 0; i < effectResourceSets.Length; i++)
{
var resourceSet = effectResourceSets[i];
var resourceSetIndex = effectIndex + i;
commandList.SetGraphicsResourceSet((uint)resourceSetIndex, resourceSet);
}
commandList.DrawIndexed(
indexCount: mesh.Indices.Length.ToUnsigned(),
instanceCount: modelInstanceCount,
indexStart: 0,
vertexOffset: 0,
instanceStart: 0
);
}
public static void GenerateRenderCommandsForCubeMapModelDescriptor(CommandList commandList,
ModelRuntimeDescriptor <VertexPosition> cubeMapRuntimeDescriptor,
SceneRuntimeDescriptor sceneRuntimeDescriptor)
{
var model = cubeMapRuntimeDescriptor.Model;
commandList.SetPipeline(cubeMapRuntimeDescriptor.Pipelines[RenderFlags.NORMAL_ARRAY_INDEX]);
for (int i = 0; i < model.MeshCount; i++)
{
var mesh = model.GetMesh(i);
RenderCommandGenerator.GenerateCommandsForP_Inline(
commandList,
cubeMapRuntimeDescriptor,
i,
sceneRuntimeDescriptor,
cubeMapRuntimeDescriptor.EffectResourceSets[RenderFlags.NORMAL_ARRAY_INDEX],
mesh,
cubeMapRuntimeDescriptor.TotalInstanceCount
);
}
}
/// <summary>
// Only used for cube maps for now!
/// Render Commands for Mesh of Type:
/// <see cref="Henzai.Geometry.VertexPosition"/>
///</summary>
private static void GenerateCommandsForP_Inline(
CommandList commandList,
ModelRuntimeDescriptor <VertexPosition> modelState,
int meshIndex,
SceneRuntimeDescriptor sceneRuntimeDescriptor,
ResourceSet[] effectResourceSets,
Mesh <VertexPosition> mesh,
uint modelInstanceCount)
{
var effectIndex = 2;
var vertexBuffer = modelState.VertexBuffers[meshIndex];
var indexBuffer = modelState.IndexBuffers[meshIndex];
var textureResourceSet = modelState.TextureResourceSets[meshIndex];
var cameraProjViewBuffer = sceneRuntimeDescriptor.CameraProjViewBuffer;
var cameraResourceSet = sceneRuntimeDescriptor.CameraResourceSet;
commandList.SetVertexBuffer(0, vertexBuffer);
commandList.SetIndexBuffer(indexBuffer, IndexFormat.UInt16);
commandList.UpdateBuffer(cameraProjViewBuffer, 128, mesh.World);
commandList.SetGraphicsResourceSet(0, cameraResourceSet); // Always after SetPipeline
commandList.SetGraphicsResourceSet(1, textureResourceSet);
for (int i = 0; i < effectResourceSets.Length; i++)
{
var resourceSet = effectResourceSets[i];
var resourceSetIndex = effectIndex + i;
commandList.SetGraphicsResourceSet((uint)resourceSetIndex, resourceSet);
}
commandList.DrawIndexed(
indexCount: mesh.Indices.Length.ToUnsigned(),
instanceCount: modelInstanceCount,
indexStart: 0,
vertexOffset: 0,
instanceStart: 0
);
}
/// <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");
}
}
