Vertex layout

Functions and types related to transforming generic mesh data to renderable data used by shaders. More...

Classes
struct	eu::render::VertexElementDescription
	A not-yet-realised binding to a shader variable like vec3 position More...
struct	eu::render::CompiledVertexElement
	A realized VertexElementDescription like vec3 position at gl shader position 3. More...
struct	eu::render::CompiledVertexElementNoName
	A realized VertexElementDescription without name like vec3 at gl shader position 3. More...
struct	eu::render::CompiledShaderVertexAttributes
	A list of CompiledVertexElement (for shader) More...
struct	eu::render::CompiledGeomVertexAttributes
	A list of CompiledVertexLayoutNoNameList (for geom) More...
struct	eu::render::CompiledVertexTypeList
	A mapping of the vertex type (position...) to the actual shader id (for more than one shader) More...
struct	eu::render::InstanceProp
	A property for a shader used in instanced rendering. More...

Typedefs
using	eu::render::ShaderVertexAttributes = std::vector< VertexElementDescription >
	Describes all vertex inputs a shader requires like [vec3 position, vec3 normal, vec2 uv]
using	eu::render::VertexTypes = std::vector< VertexType >

Enumerations
enum class	eu::render::VertexType {   eu::render::VertexType::position2xy , eu::render::VertexType::position2xz , eu::render::VertexType::position3 , eu::render::VertexType::normal3 ,   eu::render::VertexType::color3 , eu::render::VertexType::color4 , eu::render::VertexType::texture2 , eu::render::VertexType::instance_transform }
	Vertex source type, position, normal etc. More...

Functions
constexpr bool	eu::render::is_instance_based (VertexType v)
std::vector< VertexType >	eu::render::find_duplicates (const ShaderVertexAttributes &items)
CompiledShaderVertexAttributes	eu::render::compile_shader_layout (const CompiledVertexTypeList &l, const ShaderVertexAttributes &elements, std::optional< InstanceProp > instance_prop, std::optional< int > start_index)
CompiledGeomVertexAttributes	eu::render::get_geom_layout (const CompiledVertexTypeList &l)
CompiledVertexTypeList	eu::render::compile_attribute_layouts (const std::vector< VertexType > &base_layout, const std::vector< ShaderVertexAttributes > &descriptions)
CompiledVertexTypeList	eu::render::compile_attribute_layouts (const std::vector< ShaderVertexAttributes > &descriptions)

Detailed Description

Functions and types related to transforming generic mesh data to renderable data used by shaders.

Typedef Documentation

ShaderVertexAttributes

using eu::render::ShaderVertexAttributes = typedef std::vector<VertexElementDescription>

#include <libs/render/src/render/vertex_layout.h>

Describes all vertex inputs a shader requires like [vec3 position, vec3 normal, vec2 uv]

Note

It's invalid for this to contain duplicates, use find_duplicates to find duplicates

Definition at line 50 of file vertex_layout.h.

VertexTypes

using eu::render::VertexTypes = typedef std::vector<VertexType>

#include <libs/render/src/render/vertex_layout.h>

Definition at line 69 of file vertex_layout.h.

Enumeration Type Documentation

VertexType

enum class eu::render::VertexType

strong

#include <libs/render/src/render/vertex_layout.h>

Vertex source type, position, normal etc.

Todo:

change to include other texture coordinates and custom types that are created from scripts

Enumerator
position2xy
position2xz
position3
normal3
color3
color4
texture2
instance_transform

Definition at line 17 of file vertex_layout.h.

Function Documentation

compile_attribute_layouts() [1/2]

CompiledVertexTypeList eu::render::compile_attribute_layouts

(

const std::vector< ShaderVertexAttributes > &

descriptions

)

#include <libs/render/src/render/vertex_layout.h>

compile_attribute_layouts() [2/2]

CompiledVertexTypeList eu::render::compile_attribute_layouts	(	const std::vector< VertexType > &	base_layout,
		const std::vector< ShaderVertexAttributes > &	descriptions
	)

#include <libs/render/src/render/vertex_layout.h>

compile_shader_layout()

CompiledShaderVertexAttributes eu::render::compile_shader_layout	(	const CompiledVertexTypeList &	l,
		const ShaderVertexAttributes &	elements,
		std::optional< InstanceProp >	instance_prop,
		std::optional< int >	start_index
	)

#include <libs/render/src/render/vertex_layout.h>

find_duplicates()

std::vector< VertexType > eu::render::find_duplicates

(

const ShaderVertexAttributes &

items

)

#include <libs/render/src/render/vertex_layout.h>

get_geom_layout()

CompiledGeomVertexAttributes eu::render::get_geom_layout

(

const CompiledVertexTypeList &

l

)

#include <libs/render/src/render/vertex_layout.h>

is_instance_based()

constexpr bool eu::render::is_instance_based ( VertexType  v )

constexpr

#include <libs/render/src/render/vertex_layout.h>

Definition at line 32 of file vertex_layout.h.