Class LightDrawContext

Handles how a light renders a scene.

Inheritance
object
DisposableObject
DrawContext
LightDrawContext
Inherited Members
Namespace: Evergine.Framework.Graphics
Assembly: Evergine.Framework.dll
Syntax
public class LightDrawContext : DrawContext

Constructors

LightDrawContext(RenderPipeline, LightRenderPath, Light)

Initializes a new instance of the LightDrawContext class.

Declaration
public LightDrawContext(RenderPipeline renderPipeline, LightRenderPath renderPath, Light light)
Parameters
Type Name Description
RenderPipeline renderPipeline

The reference to the pipeline.
LightRenderPath renderPath

The reference to the render path.
Light light

The light source.

Fields

Light

The light reference.

Declaration
public readonly Light Light
Field Value
Type Description
Light

Properties

BoundingFrustum

Gets the bounding frustum of this light.

Declaration
public override BoundingFrustum BoundingFrustum { get; }
Property Value
Type Description
BoundingFrustum
Overrides

ClearFlags

Gets Clear flags used for clearing the FrameBuffer, stencilBuffer, and ZBuffer.

Declaration
public override ClearFlags ClearFlags { get; }
Property Value
Type Description
ClearFlags
Overrides

ClearValue

Gets the clear value for the camera.

Declaration
public override ClearValue ClearValue { get; }
Property Value
Type Description
ClearValue
Overrides

CurrentCascadeIndex

Gets or sets the current cascading index of this light.

Declaration
public int CurrentCascadeIndex { get; set; }
Property Value
Type Description
int

FarPlane

Gets the far plane of the frustum.

Declaration
public override float FarPlane { get; }
Property Value
Type Description
float
Overrides

MultiviewEyeCount

Gets the number of views of this draw context.

Declaration
public override int MultiviewEyeCount { get; }
Property Value
Type Description
int
Overrides

MultiviewInstancingCount

Gets the number of instance count to render all views.

Declaration
public override int MultiviewInstancingCount { get; }
Property Value
Type Description
int
Overrides
Remarks

In a Multiview with RenderTargetIndex strategy, the number is MultiviewEyeCount, but in the ViewIndex strategy, the instance count is 1.

MultiviewPosition

Gets the multi-view position array.

Declaration
public override Vector4[] MultiviewPosition { get; }
Property Value
Type Description
Vector4[]
Overrides

MultiviewProjection

Gets the Multiview projection transformation array.

Declaration
public override Matrix4x4[] MultiviewProjection { get; }
Property Value
Type Description
Matrix4x4[]
Overrides

MultiviewProjectionInverse

Gets the Multiview view projection inverse transform array.

Declaration
public override Matrix4x4[] MultiviewProjectionInverse { get; }
Property Value
Type Description
Matrix4x4[]
Overrides

MultiviewView

Gets the multiview view transform array.

Declaration
public override Matrix4x4[] MultiviewView { get; }
Property Value
Type Description
Matrix4x4[]
Overrides

MultiviewViewProjection

Gets the multiview view projection transform array.

Declaration
public override Matrix4x4[] MultiviewViewProjection { get; }
Property Value
Type Description
Matrix4x4[]
Overrides

NearPlane

Gets the near plane of the frustum.

Declaration
public override float NearPlane { get; }
Property Value
Type Description
float
Overrides

Position

Gets the position.

Declaration
public override Vector3 Position { get; }
Property Value
Type Description
Vector3
Overrides

Projection

Gets the projection transform.

Declaration
public override Matrix4x4 Projection { get; }
Property Value
Type Description
Matrix4x4
Overrides

ProjectionInverse

Gets the inverse projection matrix.

Declaration
public override Matrix4x4 ProjectionInverse { get; }
Property Value
Type Description
Matrix4x4
Overrides

RenderProjection

Gets the rendered projection transform.

Declaration
public override Matrix4x4 RenderProjection { get; }
Property Value
Type Description
Matrix4x4
Overrides

RenderViewProjection

Gets the render view projection transformation.

Declaration
public override Matrix4x4 RenderViewProjection { get; }
Property Value
Type Description
Matrix4x4
Overrides

ShadowMapIndex

Gets or sets the shadow map index in this draw context.

Declaration
public int ShadowMapIndex { get; set; }
Property Value
Type Description
int

ShadowProjectionIndex

Gets or sets the shadow projection index.

Declaration
public int ShadowProjectionIndex { get; set; }
Property Value
Type Description
int

Transform

Gets the view object's transform.

Declaration
public override Transform3D Transform { get; }
Property Value
Type Description
Transform3D
Overrides

View

Gets the view transform.

Declaration
public override Matrix4x4 View { get; }
Property Value
Type Description
Matrix4x4
Overrides

ViewCount

Gets the number of views of this draw context.

Declaration
public override int ViewCount { get; }
Property Value
Type Description
int
Overrides
Remarks

A draw context can contain several views (cascade shadows, point light shadows, reflection probe, etc.).

ViewIndex

Gets the View index of this draw context.

Declaration
public override int ViewIndex { get; }
Property Value
Type Description
int
Overrides
Remarks

A draw context can contain several views (cascade shadows, point light shadows, reflection probe, etc.).

ViewInverse

Gets the inverse view matrix.

Declaration
public override Matrix4x4 ViewInverse { get; }
Property Value
Type Description
Matrix4x4
Overrides

ViewProjection

Gets the view-projection transform.

Declaration
public override Matrix4x4 ViewProjection { get; }
Property Value
Type Description
Matrix4x4
Overrides

ViewProjectionInverse

Gets the inverse of the view-projection transform.

Declaration
public override Matrix4x4 ViewProjectionInverse { get; }
Property Value
Type Description
Matrix4x4
Overrides

Methods

BeforeRender()

Executes actions needed before the camera renders.

Declaration
public override bool BeforeRender()
Returns
Type Description
bool

True if the camera should be rendered.
Overrides

FilterObjects(RenderObjectInfo)

Indicates whether this object must be filtered.

Declaration
public override bool FilterObjects(RenderObjectInfo renderObjectInfo)
Parameters
Type Name Description
RenderObjectInfo renderObjectInfo

The object info to filter.
Returns
Type Description
bool

True if the object must be filtered.
Overrides

Render(CommandBuffer)

Executes the draw action of the draw context.

Declaration
public override void Render(CommandBuffer commandBuffer)
Parameters
Type Name Description
CommandBuffer commandBuffer

The command buffer used for rendering.
Overrides

SetPerViewEngineParameters()

Collects shader resources per view.

Declaration
protected override void SetPerViewEngineParameters()
Overrides

Extension Methods