public override void ApplyViewParameters(RenderDrawContext context, int viewIndex, ParameterCollection parameters)
{
CurrentLights.Clear();
var lightRange = LightRanges[viewIndex];
for (int i = lightRange.Start; i < lightRange.End; ++i)
{
CurrentLights.Add(Lights[i]);
}
base.ApplyViewParameters(context, viewIndex, parameters);
foreach (var lightEntry in CurrentLights)
{
var light = lightEntry.Light;
lightsData.Add(new DirectionalLightData
{
DirectionWS = light.Direction,
Color = light.Color,
});
}
parameters.Set(countKey, lightsData.Count);
parameters.Set(lightsKey, lightsData.Count, ref lightsData.Items[0]);
lightsData.Clear();
}
public int ApplyViewParameters_PopulateParameterLightsOrig()
{
int sum = 0;
for (int ii = 0; ii < N; ii++)
{
for (int viewIndex = 0; viewIndex < lightRanges.Length; viewIndex++)
{
var lightRange = lightRanges[viewIndex];
PopulateLightsInRange(ref lights, lightRange, ref currentLights);
lightsData.Clear();
// ----- Test
foreach (var lightEntry in currentLights)
{
var light = lightEntry.Light;
lightsData.Add(new DirectionalLightData
{
DirectionWS = light.Direction,
Color = light.Color,
});
}
// ----- End Test
sum += lightsData.Count;
}
}
return(sum);
}
public override void ApplyViewParameters(FastListStruct <LightDynamicEntry>?lightList, RenderDrawContext context, int viewIndex, ParameterCollection parameters)
{
FastListStruct <DirectionalLightData> lightsData = new FastListStruct <DirectionalLightData>(8);
if (lightList == null)
{
lightList = new FastListStruct <LightDynamicEntry>(8);
}
FastListStruct <LightDynamicEntry> currentLights = lightList.Value;
var lightRange = lightRanges[viewIndex];
for (int i = lightRange.Start; i < lightRange.End; ++i)
{
currentLights.Add(lights[i]);
}
base.ApplyViewParameters(currentLights, context, viewIndex, parameters);
foreach (var lightEntry in currentLights)
{
var light = lightEntry.Light;
lightsData.Add(new DirectionalLightData
{
DirectionWS = light.Direction,
Color = light.Color,
});
}
parameters.Set(countKey, lightsData.Count);
parameters.Set(lightsKey, lightsData.Count, ref lightsData.Items[0]);
}
public void Initialize()
{
EffectValues = new FastListStruct <EffectParameterEntry>(4);
// Add a dummy value so that an effect without parameter fails validation first time
EffectValues.Add(new EffectParameterEntry());
}
public override void FillParameterCollections(ref FastListStruct <ParameterCollection> parameterCollections)
{
var material = Material;
if (material != null && material.Parameters != null)
{
parameterCollections.Add(material.Parameters);
}
if (RenderModel.ModelComponent.Parameters != null)
{
parameterCollections.Add(RenderModel.ModelComponent.Parameters);
}
// TODO: Should we add RenderMesh.Parameters before ModelComponent.Parameters to allow user overiddes at component level?
parameterCollections.Add(parameters);
}
public override void ApplyDrawParameters(RenderDrawContext context, int viewIndex, ParameterCollection parameters, ref BoundingBoxExt boundingBox)
{
if (currentLights.Items == null)
{
currentLights = new FastListStruct <LightDynamicEntry>(8);
}
else
{
currentLights.Clear();
}
if (lightsData.Items == null)
{
lightsData = new FastListStruct <SpotLightData>(8);
}
var lightRange = lightRanges[viewIndex];
for (int i = lightRange.Start; i < lightRange.End; ++i)
{
currentLights.Add(lights[i]);
}
base.ApplyDrawParameters(context, viewIndex, parameters, ref boundingBox);
// TODO: Octree structure to select best lights quicker
var boundingBox2 = (BoundingBox)boundingBox;
for (int i = 0; i < currentLights.Count; i++)
{
var light = currentLights[i].Light;
if (light.BoundingBox.Intersects(ref boundingBox2))
{
var spotLight = (LightSpot)light.Type;
lightsData.Add(new SpotLightData
{
PositionWS = light.Position,
DirectionWS = light.Direction,
AngleOffsetAndInvSquareRadius = new Vector3(spotLight.LightAngleScale, spotLight.LightAngleOffset, spotLight.InvSquareRange),
Color = light.Color,
});
// Did we reach max number of simultaneous lights?
// TODO: Still collect everything but sort by importance and remove the rest?
if (lightsData.Count >= LightCurrentCount)
{
break;
}
}
}
parameters.Set(countKey, lightsData.Count);
parameters.Set(lightsKey, lightsData.Count, ref lightsData.Items[0]);
TextureProjectionShaderGroupData?.ApplyDrawParameters(context, parameters, currentLights, ref boundingBox);
lightsData.Clear();
}
public override void ApplyDrawParameters(RenderDrawContext context, int viewIndex, ParameterCollection parameters, ref BoundingBoxExt boundingBox)
{
if (currentLights.Items == null)
{
currentLights = new FastListStruct <LightDynamicEntry>(8);
}
else
{
currentLights.Clear();
}
if (lightsData.Items == null)
{
lightsData = new FastListStruct <PointLightData>(8);
}
var lightRange = lightRanges[viewIndex];
for (int i = lightRange.Start; i < lightRange.End; ++i)
{
currentLights.Add(lights[i]);
}
base.ApplyDrawParameters(context, viewIndex, parameters, ref boundingBox);
// TODO: Since we cull per object, we could maintain a higher number of allowed light than the shader support (i.e. 4 lights active per object even though the scene has many more of them)
// TODO: Octree structure to select best lights quicker
var boundingBox2 = (BoundingBox)boundingBox;
foreach (var lightEntry in currentLights)
{
var light = lightEntry.Light;
if (light.BoundingBox.Intersects(ref boundingBox2))
{
var pointLight = (LightPoint)light.Type;
lightsData.Add(new PointLightData
{
PositionWS = light.Position,
InvSquareRadius = pointLight.InvSquareRadius,
Color = light.Color,
});
// Did we reach max number of simultaneous lights?
// TODO: Still collect everything but sort by importance and remove the rest?
if (lightsData.Count >= LightCurrentCount)
{
break;
}
}
}
parameters.Set(countKey, lightsData.Count);
parameters.Set(lightsKey, lightsData.Count, ref lightsData.Items[0]);
lightsData.Clear();
}
private void PrepareRenderMeshes(RenderModel renderModel, List <Mesh> meshes, ref FastListStruct <RenderMesh> renderMeshes, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// Add new render meshes
for (int i = renderMeshes.Count; i < meshes.Count; i++)
{
var renderMesh = new RenderMesh(renderModel, meshes[i]);
renderMeshes.Add(renderMesh);
}
// Create the bounding frustum locally on the stack, so that frustum.Contains is performed with boundingBox that is also on the stack
var frustum = new BoundingFrustum(ref ViewProjectionMatrix);
var sceneCameraRenderer = Context.Tags.Get(SceneCameraRenderer.Current);
var cullingMode = CullingModeOverride ?? (sceneCameraRenderer?.CullingMode ?? CameraCullingMode.None);
for (int i = 0; i < renderMeshes.Count; i++)
{
var renderMesh = renderMeshes[i];
// Update the model hierarchy
var modelViewHierarchy = renderModel.ModelComponent.Skeleton;
modelViewHierarchy.UpdateRenderMesh(renderMesh);
if (!renderMesh.Enabled || !renderMesh.UpdateMaterial())
{
continue;
}
// Upload skinning blend matrices
BoundingBoxExt boundingBox;
skinningUpdater.Update(modelViewHierarchy, renderMesh, out boundingBox);
// Fast AABB transform: http://zeuxcg.org/2010/10/17/aabb-from-obb-with-component-wise-abs/
// Compute transformed AABB (by world)
// TODO: CameraCullingMode should be pluggable
// TODO: This should not be necessary. Add proper bounding boxes to gizmos etc.
if (cullingMode == CameraCullingMode.Frustum && boundingBox.Extent != Vector3.Zero && !frustum.Contains(ref boundingBox))
{
continue;
}
// Project the position
// TODO: This could be done in a SIMD batch, but we need to figure-out how to plugin in with RenderMesh object
var worldPosition = new Vector4(renderMesh.WorldMatrix.TranslationVector, 1.0f);
Vector4 projectedPosition;
Vector4.Transform(ref worldPosition, ref ViewProjectionMatrix, out projectedPosition);
var projectedZ = projectedPosition.Z / projectedPosition.W;
renderMesh.RasterizerState = renderMesh.IsGeometryInverted ? RasterizerStateForInvertedGeometry : RasterizerState;
renderMesh.ForceRasterizer = ForceRasterizer;
var list = renderMesh.HasTransparency ? transparentList : opaqueList;
list.Add(new RenderItem(this, renderMesh, projectedZ));
}
}
public override void FillParameterCollections(ref FastListStruct <ParameterCollection> parameterCollections)
{
// Test common types to avoid struct enumerator boxing
var localParameterCollectionsList = localParameterCollections as List <ParameterCollection>;
if (localParameterCollectionsList != null)
{
foreach (var parameter in localParameterCollectionsList)
{
if (parameter != null)
{
parameterCollections.Add(parameter);
}
}
}
else
{
var localParameterCollectionsArray = localParameterCollections as ParameterCollection[];
if (localParameterCollectionsArray != null)
{
foreach (var parameter in localParameterCollectionsArray)
{
if (parameter != null)
{
parameterCollections.Add(parameter);
}
}
}
else
{
// Slow: enumerator will be boxed
foreach (var parameter in localParameterCollections)
{
if (parameter != null)
{
parameterCollections.Add(parameter);
}
}
}
}
}
public void GlobalSetup()
{
for (int i = 0; i < TotalLights; i++)
{
lights.Add(new LightDynamicEntry(new RenderLight(), shadowMapTexture: null));
}
lightRanges = new[]
{
new LightShaderGroupDynamic.LightRange(0, 4),
new LightShaderGroupDynamic.LightRange(4, 8),
};
}
public override void FillParameterCollections(ref FastListStruct<ParameterCollection> parameterCollections)
{
// Test common types to avoid struct enumerator boxing
var localParameterCollectionsList = localParameterCollections as List<ParameterCollection>;
if (localParameterCollectionsList != null)
{
foreach (var parameter in localParameterCollectionsList)
{
if (parameter != null)
{
parameterCollections.Add(parameter);
}
}
}
else
{
var localParameterCollectionsArray = localParameterCollections as ParameterCollection[];
if (localParameterCollectionsArray != null)
{
foreach (var parameter in localParameterCollectionsArray)
{
if (parameter != null)
{
parameterCollections.Add(parameter);
}
}
}
else
{
// Slow: enumerator will be boxed
foreach (var parameter in localParameterCollections)
{
if (parameter != null)
{
parameterCollections.Add(parameter);
}
}
}
}
}
private void AssignRectangle(LightShadowMapTexture lightShadowMapTexture)
{
var size = lightShadowMapTexture.Size;
// Try to fit the shadow map into an existing atlas
ShadowMapAtlasTexture currentAtlas = null;
foreach (var atlas in atlases)
{
if (atlas.TryInsert(size, size, lightShadowMapTexture.CascadeCount, (int index, ref Rectangle rectangle) => lightShadowMapTexture.SetRectangle(index, rectangle)))
{
currentAtlas = atlas;
break;
}
}
// Allocate a new atlas texture
if (currentAtlas == null)
{
// For now, our policy is to allow only one shadow map, esp. because we can have only one shadow texture per lighting group
// TODO: Group by DirectLightGroups, so that we can have different atlas per lighting group
// TODO: Allow multiple textures per LightingGroup (using array of Texture?)
if (atlases.Count == 0)
{
// TODO: handle FilterType texture creation here
// TODO: This does not work for Omni lights
// TODO: Allow format selection externally
var texture = Texture.New2D(RenderSystem.GraphicsDevice, maximumTextureSize, maximumTextureSize, 1, PixelFormat.D32_Float, TextureFlags.DepthStencil | TextureFlags.ShaderResource);
currentAtlas = new ShadowMapAtlasTexture(texture, atlases.Count)
{
FilterType = lightShadowMapTexture.FilterType
};
atlases.Add(currentAtlas);
for (int i = 0; i < lightShadowMapTexture.CascadeCount; i++)
{
var rect = Rectangle.Empty;
currentAtlas.Insert(size, size, ref rect);
lightShadowMapTexture.SetRectangle(i, rect);
}
}
}
// Make sure the atlas cleared (will be clear just once)
lightShadowMapTexture.Atlas = currentAtlas;
lightShadowMapTexture.TextureId = (byte)(currentAtlas?.Id ?? 0);
}
public override void ApplyDrawParameters(RenderDrawContext context, int viewIndex, ParameterCollection parameters, ref BoundingBoxExt boundingBox)
{
// TODO THREADING: Make CurrentLights and lightData (thread-) local
lock (applyLock)
{
CurrentLights.Clear();
var lightRange = LightRanges[viewIndex];
for (int i = lightRange.Start; i < lightRange.End; ++i)
{
CurrentLights.Add(Lights[i]);
}
base.ApplyDrawParameters(context, viewIndex, parameters, ref boundingBox);
// TODO: Octree structure to select best lights quicker
var boundingBox2 = (BoundingBox)boundingBox;
for (int i = 0; i < CurrentLights.Count; i++)
{
var light = CurrentLights[i].Light;
if (light.BoundingBox.Intersects(ref boundingBox2))
{
var spotLight = (LightSpot)light.Type;
lightsData.Add(new SpotLightData
{
PositionWS = light.Position,
DirectionWS = light.Direction,
AngleOffsetAndInvSquareRadius = new Vector3(spotLight.LightAngleScale, spotLight.LightAngleOffset, spotLight.InvSquareRange),
Color = light.Color,
});
// Did we reach max number of simultaneous lights?
// TODO: Still collect everything but sort by importance and remove the rest?
if (lightsData.Count >= LightCurrentCount)
{
break;
}
}
}
parameters.Set(countKey, lightsData.Count);
parameters.Set(lightsKey, lightsData.Count, ref lightsData.Items[0]);
lightsData.Clear();
}
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItemList, int fromIndex, int toIndex)
{
if (dynamicEffectCompiler == null)
{
throw new InvalidOperationException("This instance is not correctly initialized (no EffectName)");
}
// Get all meshes from render models
meshesToRender.Clear();
for (int i = fromIndex; i <= toIndex; i++)
{
meshesToRender.Add((RenderMesh)renderItemList[i].DrawContext);
}
// Slow path there is a callback
if (Callbacks.UpdateMeshes != null)
{
Callbacks.UpdateMeshes(context, ref meshesToRender);
}
// Fetch callback on PreRenderGroup
var preRenderMesh = Callbacks.PreRenderMesh;
for (int i = 0; i < meshesToRender.Count; i++)
{
var renderMesh = meshesToRender[i];
// If the EntityGroup is changing, call the callback to allow to plug specific parameters for this group
if (preRenderMesh != null)
{
preRenderMesh(context, renderMesh);
}
// Update Effect and mesh
UpdateEffect(context, renderMesh, context.Parameters);
// Draw the mesh
renderMesh.Draw(context);
}
}
/// <summary>
/// Draw this effect mesh.
/// </summary>
public void Draw(RenderContext context)
{
// Retrieve effect parameters
var graphicsDevice = context.GraphicsDevice;
var mesh = Mesh;
var currentRenderData = mesh.Draw;
var material = Material;
var vao = vertexArrayObject;
var drawCount = currentRenderData.DrawCount;
var primitiveType = currentRenderData.PrimitiveType;
parameters.Set(TransformationKeys.World, WorldMatrix);
// TODO: We should clarify exactly how to override rasterizer states. Currently setup here on Context.Parameters to allow Material/ModelComponent overrides, but this is ugly
// Apply rasterizer
var rasterizer = RasterizerState;
if (!ForceRasterizer && Material.CullMode.HasValue && Material.CullMode.Value != RasterizerState.Description.CullMode)
{
switch (Material.CullMode.Value)
{
case CullMode.Back:
rasterizer = graphicsDevice.RasterizerStates.CullBack;
break;
case CullMode.Front:
rasterizer = graphicsDevice.RasterizerStates.CullFront;
break;
case CullMode.None:
rasterizer = graphicsDevice.RasterizerStates.CullNone;
break;
}
}
context.Parameters.Set(Effect.RasterizerStateKey, rasterizer);
// Handle picking
if (context.IsPicking()) // TODO move this code corresponding to picking outside of the runtime code!
{
parameters.Set(ModelComponentPickingShaderKeys.ModelComponentId, new Color4(RuntimeIdHelper.ToRuntimeId(RenderModel.ModelComponent)));
parameters.Set(ModelComponentPickingShaderKeys.MeshId, new Color4(RenderModel.ModelComponent.Model.Meshes.IndexOf(Mesh)));
parameters.Set(ModelComponentPickingShaderKeys.MaterialId, new Color4(Mesh.MaterialIndex));
// Don't use the materials blend state on picking targets
parameters.Set(Effect.BlendStateKey, null);
}
if (material != null && material.TessellationMethod != XenkoTessellationMethod.None)
{
var tessellationMethod = material.TessellationMethod;
// adapt the primitive type and index buffer to the tessellation used
if (tessellationMethod.PerformsAdjacentEdgeAverage())
{
vao = GetOrCreateVertexArrayObjectAEN(context);
drawCount = 12 / 3 * drawCount;
}
primitiveType = tessellationMethod.GetPrimitiveType();
}
//using (Profiler.Begin(ProfilingKeys.PrepareMesh))
{
// Order of application of parameters:
// - RenderPass.Parameters
// - ModelComponent.Parameters
// - RenderMesh.Parameters (originally copied from mesh parameters)
// The order is based on the granularity level of each element and how shared it can be. Material is heavily shared, a model contains many meshes. An renderMesh is unique.
// TODO: really copy mesh parameters into renderMesh instead of just referencing the meshDraw parameters.
//var modelComponent = RenderModel.ModelComponent;
//var hasModelComponentParams = modelComponent != null && modelComponent.Parameters != null;
//var materialParameters = material != null && material.Parameters != null ? material.Parameters : null;
parameterCollections.Clear();
parameterCollections.Add(context.Parameters);
FillParameterCollections(ref parameterCollections);
// Check if we need to recreate the EffectParameterCollectionGroup
// TODO: We can improve performance by redesigning FillParameterCollections to avoid ArrayExtensions.ArraysReferenceEqual (or directly check the appropriate parameter collections)
// This also happens in another place: DynamicEffectCompiler (we probably want to factorize it when doing additional optimizations)
if (parameterCollectionGroup == null || parameterCollectionGroup.Effect != Effect || !ArrayExtensions.ArraysReferenceEqual(ref previousParameterCollections, ref parameterCollections))
{
previousParameterCollections.Clear();
previousParameterCollections.AddRange(parameterCollections);
parameterCollectionGroup = new EffectParameterCollectionGroup(context.GraphicsDevice, Effect, previousParameterCollections.Count, previousParameterCollections.Items);
}
Effect.Apply(context.GraphicsDevice, parameterCollectionGroup, true);
}
//using (Profiler.Begin(ProfilingKeys.RenderMesh))
{
if (currentRenderData != null)
{
graphicsDevice.SetVertexArrayObject(vao);
if (currentRenderData.IndexBuffer == null)
{
graphicsDevice.Draw(primitiveType, drawCount, currentRenderData.StartLocation);
}
else
{
graphicsDevice.DrawIndexed(primitiveType, drawCount, currentRenderData.StartLocation);
}
}
}
}
public override void FillParameterCollections(ref FastListStruct<ParameterCollection> parameterCollections)
{
var material = Material;
if (material != null && material.Parameters != null)
{
parameterCollections.Add(material.Parameters);
}
if (RenderModel.ModelComponent.Parameters != null)
{
parameterCollections.Add(RenderModel.ModelComponent.Parameters);
}
// TODO: Should we add RenderMesh.Parameters before ModelComponent.Parameters to allow user overiddes at component level?
parameterCollections.Add(parameters);
}
private void PrepareRenderMeshes(RenderModel renderModel, List<Mesh> meshes, ref FastListStruct<RenderMesh> renderMeshes, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// Add new render meshes
for (int i = renderMeshes.Count; i < meshes.Count; i++)
{
var renderMesh = new RenderMesh(renderModel, meshes[i]);
renderMeshes.Add(renderMesh);
}
// Create the bounding frustum locally on the stack, so that frustum.Contains is performed with boundingBox that is also on the stack
var frustum = new BoundingFrustum(ref ViewProjectionMatrix);
for (int i = 0; i < renderMeshes.Count; i++)
{
var renderMesh = renderMeshes[i];
// Update the model hierarchy
var modelViewHierarchy = renderModel.ModelComponent.ModelViewHierarchy;
modelViewHierarchy.UpdateRenderMesh(renderMesh);
if (!renderMesh.Enabled)
{
continue;
}
// Upload skinning blend matrices
BoundingBoxExt boundingBox;
skinningUpdater.Update(modelViewHierarchy, renderMesh, out boundingBox);
// Fast AABB transform: http://zeuxcg.org/2010/10/17/aabb-from-obb-with-component-wise-abs/
// Compute transformed AABB (by world)
// TODO: CullingMode should be pluggable
// TODO: This should not be necessary. Add proper bounding boxes to gizmos etc.
if (CullingMode == CullingMode.Frustum && boundingBox.Extent != Vector3.Zero && !frustum.Contains(ref boundingBox))
{
continue;
}
// Project the position
// TODO: This could be done in a SIMD batch, but we need to figure-out how to plugin in with RenderMesh object
var worldPosition = new Vector4(renderMesh.WorldMatrix.TranslationVector, 1.0f);
Vector4 projectedPosition;
Vector4.Transform(ref worldPosition, ref ViewProjectionMatrix, out projectedPosition);
var projectedZ = projectedPosition.Z / projectedPosition.W;
renderMesh.RasterizerState = renderMesh.IsGeometryInverted ? RasterizerStateForInvertedGeometry : RasterizerState;
renderMesh.UpdateMaterial();
var list = renderMesh.HasTransparency ? transparentList : opaqueList;
list.Add(new RenderItem(this, renderMesh, projectedZ));
}
}
