Class DrawCall

Namespace: ValveResourceFormat.Renderer
Assembly: Renderer.dll

Single GPU draw operation with geometry, material, and render state.

public class DrawCall

Inheritance

object ← DrawCall

Properties

BaseVertex

Gets or sets the base vertex offset applied to all indices.

public int BaseVertex { get; set; }

Property Value

int

DrawBounds

Gets or sets the optional bounding box used for draw-level culling.

public AABB? DrawBounds { get; set; }

Property Value

AABB?

FirstMeshlet

Gets or sets the index of the first meshlet for this draw call.

public int FirstMeshlet { get; set; }

Property Value

int

IndexBuffer

Gets or sets the index buffer binding for this draw call.

public IndexDrawBuffer IndexBuffer { get; set; }

Property Value

IndexDrawBuffer

IndexCount

Gets or sets the number of indices to draw.

public int IndexCount { get; set; }

Property Value

int

IndexSizeInBytes

Gets the size in bytes of a single index element.

public int IndexSizeInBytes { get; }

Property Value

int

IndexType

Gets or sets the data type of each element in the index buffer.

public DrawElementsType IndexType { get; set; }

Property Value

DrawElementsType

Material

Gets or sets the render material applied to this draw call.

public required RenderMaterial Material { get; set; }

Property Value

RenderMaterial

MeshBuffers

Gets the GPU mesh buffer cache that owns the buffers for this draw call.

public required GPUMeshBufferCache MeshBuffers { get; init; }

Property Value

GPUMeshBufferCache

MeshId

Gets or sets the mesh identifier used for picking.

public int MeshId { get; set; }

Property Value

int

MeshName

Gets or sets the name of the mesh this draw call belongs to.

public string MeshName { get; set; }

Property Value

string

NumMeshlets

Gets or sets the number of meshlets in this draw call.

public int NumMeshlets { get; set; }

Property Value

int

PrimitiveType

Gets or sets the OpenGL primitive type for this draw call.

public PrimitiveType PrimitiveType { get; set; }

Property Value

PrimitiveType

StartIndex

Gets or sets the byte offset into the index buffer where drawing begins.

public nint StartIndex { get; set; }

Property Value

nint

TintColor

Gets or sets the per-draw-call tint color multiplier.

public Vector4 TintColor { get; set; }

Property Value

Vector4

VertexArrayObject

Gets or sets the OpenGL vertex array object handle, or -1 if not yet created.

public int VertexArrayObject { get; set; }

Property Value

int

VertexBuffers

Gets the vertex buffer bindings used by this draw call.

public required VertexDrawBuffer[] VertexBuffers { get; init; }

Property Value

VertexDrawBuffer[]

VertexCount

Gets or sets the number of vertices in the draw call.

public uint VertexCount { get; set; }

Property Value

uint

VertexIdOffset

Gets or sets the vertex ID offset used for morph target lookup.

public int VertexIdOffset { get; set; }

Property Value

int

Methods

DeleteVertexArrayObject()

Deletes the OpenGL VAO for this draw call.

public void DeleteVertexArrayObject()

SetNewMaterial(RenderMaterial)

Replaces the material and rebuilds the vertex array object if the shader is ready.

public void SetNewMaterial(RenderMaterial newMaterial)

Parameters

newMaterial RenderMaterial

The new material to assign.

UpdateVertexArrayObject()

Creates or refreshes the vertex array object for the current material shader.

public int UpdateVertexArrayObject()

Returns

int

The OpenGL VAO handle.