donut::graphics::Model::Object Struct Reference

A single 3D mesh with an associated material. More...

#include <donut/graphics/Model.hpp>

Classes
struct	Instance
	Data layout for the attributes of a single instance of the mesh. More...
struct	Material
	Material attributes of the mesh. More...
struct	Vertex
	Data layout for the attributes of a single vertex of the mesh. More...

Public Types
using	Index = u32
	Data type used in the index buffer of the mesh.

Public Attributes
Mesh< Vertex, Index, Instance >	mesh
	Mesh data stored on the GPU.
Material	material
	Material attributes.
std::size_t	indexCount
	Number of indices stored in the index buffer of the mesh.

Static Public Attributes
static constexpr MeshBufferUsage	VERTICES_USAGE = MeshBufferUsage::STATIC_DRAW
	Hint regarding the intended memory access pattern of the vertex buffer.
static constexpr MeshBufferUsage	INDICES_USAGE = MeshBufferUsage::STATIC_DRAW
	Hint regarding the intended memory access pattern of the index buffer.
static constexpr MeshBufferUsage	INSTANCES_USAGE = MeshBufferUsage::STREAM_DRAW
	Hint regarding the intended memory access pattern of the instance buffer.
static constexpr MeshPrimitiveType	PRIMITIVE_TYPE = MeshPrimitiveType::TRIANGLES
	The type of 3D primitives represented by the mesh vertices.
static constexpr MeshIndexType	INDEX_TYPE = MeshIndexType::U32
	Index type of the mesh indices.
static constexpr std::int32_t	TEXTURE_UNIT_DIFFUSE = 0
	Texture unit index to use for the Material::diffuseMap.
static constexpr std::int32_t	TEXTURE_UNIT_SPECULAR = 1
	Texture unit index to use for the Material::specularMap.
static constexpr std::int32_t	TEXTURE_UNIT_NORMAL = 2
	Texture unit index to use for the Material::normalMap.
static constexpr std::int32_t	TEXTURE_UNIT_EMISSIVE = 3
	Texture unit index to use for the Material::emissiveMap.
static constexpr std::int32_t	TEXTURE_UNIT_COUNT = 4
	Total number of texture units required to render an object.

Detailed Description

A single 3D mesh with an associated material.

The vertices and indices of the mesh are stored on the GPU, together with an associated instance buffer set up for instanced rendering.

Member Typedef Documentation

Index

using donut::graphics::Model::Object::Index = u32

Data type used in the index buffer of the mesh.

Note

Meets the requirements of the donut::graphics::mesh_index concept.

Member Data Documentation

VERTICES_USAGE

constexpr MeshBufferUsage donut::graphics::Model::Object::VERTICES_USAGE = MeshBufferUsage::STATIC_DRAW

staticconstexpr

Hint regarding the intended memory access pattern of the vertex buffer.

INDICES_USAGE

constexpr MeshBufferUsage donut::graphics::Model::Object::INDICES_USAGE = MeshBufferUsage::STATIC_DRAW

staticconstexpr

Hint regarding the intended memory access pattern of the index buffer.

INSTANCES_USAGE

constexpr MeshBufferUsage donut::graphics::Model::Object::INSTANCES_USAGE = MeshBufferUsage::STREAM_DRAW

staticconstexpr

Hint regarding the intended memory access pattern of the instance buffer.

PRIMITIVE_TYPE

constexpr MeshPrimitiveType donut::graphics::Model::Object::PRIMITIVE_TYPE = MeshPrimitiveType::TRIANGLES

staticconstexpr

The type of 3D primitives represented by the mesh vertices.

INDEX_TYPE

constexpr MeshIndexType donut::graphics::Model::Object::INDEX_TYPE = MeshIndexType::U32

staticconstexpr

Index type of the mesh indices.

TEXTURE_UNIT_DIFFUSE

constexpr std::int32_t donut::graphics::Model::Object::TEXTURE_UNIT_DIFFUSE = 0

staticconstexpr

Texture unit index to use for the Material::diffuseMap.

TEXTURE_UNIT_SPECULAR

constexpr std::int32_t donut::graphics::Model::Object::TEXTURE_UNIT_SPECULAR = 1

staticconstexpr

Texture unit index to use for the Material::specularMap.

TEXTURE_UNIT_NORMAL

constexpr std::int32_t donut::graphics::Model::Object::TEXTURE_UNIT_NORMAL = 2

staticconstexpr

Texture unit index to use for the Material::normalMap.

TEXTURE_UNIT_EMISSIVE

constexpr std::int32_t donut::graphics::Model::Object::TEXTURE_UNIT_EMISSIVE = 3

staticconstexpr

Texture unit index to use for the Material::emissiveMap.

TEXTURE_UNIT_COUNT

constexpr std::int32_t donut::graphics::Model::Object::TEXTURE_UNIT_COUNT = 4

staticconstexpr

Total number of texture units required to render an object.

mesh

Mesh<Vertex, Index, Instance> donut::graphics::Model::Object::mesh

Mesh data stored on the GPU.

material

Material donut::graphics::Model::Object::material

Material attributes.

indexCount

std::size_t donut::graphics::Model::Object::indexCount

Number of indices stored in the index buffer of the mesh.

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The documentation for this struct was generated from the following file:

• include/donut/graphics/Model.hpp