renderer

Documentation

Overview

Package renderer implements the scene renderer.

Index

• type ProgSpecs
• type Renderer
  • func NewRenderer(gs *gls.GLS) *Renderer
  • func (r *Renderer) AddChunk(name, source string) error
  • func (r *Renderer) AddDefaultShaders() error
  • func (r *Renderer) AddProgram(name, vertex, frag string) error
  • func (r *Renderer) AddShader(name, source string) error
  • func (r *Renderer) Render(iscene core.INode, icam camera.ICamera) error
• type ShaderSpecs
  • func (ss *ShaderSpecs) Compare(other *ShaderSpecs) bool
• type Shaman
  • func NewShaman(gs *gls.GLS) *Shaman
  • func (sm *Shaman) AddChunk(name, source string) error
  • func (sm *Shaman) AddDefaultShaders() error
  • func (sm *Shaman) AddProgram(name, vertexName, fragName string) error
  • func (sm *Shaman) AddShader(name, source string) error
  • func (sm *Shaman) GenProgram(specs *ShaderSpecs) (*gls.Program, error)
  • func (sm *Shaman) Init(gs *gls.GLS)
  • func (sm *Shaman) SetProgram(specs *ShaderSpecs) (bool, error)

Types

type ProgSpecs

type ProgSpecs struct {
	// contains filtered or unexported fields
}

type Renderer

type Renderer struct {
	// contains filtered or unexported fields
}

func NewRenderer

func NewRenderer(gs *gls.GLS) *Renderer

func (*Renderer) AddChunk

func (r *Renderer) AddChunk(name, source string) error

func (*Renderer) AddDefaultShaders

func (r *Renderer) AddDefaultShaders() error

func (*Renderer) AddProgram

func (r *Renderer) AddProgram(name, vertex, frag string) error

func (*Renderer) AddShader

func (r *Renderer) AddShader(name, source string) error

func (*Renderer) Render

func (r *Renderer) Render(iscene core.INode, icam camera.ICamera) error

type ShaderSpecs

type ShaderSpecs struct {
	Name             string // Shader name
	Version          string // GLSL version
	UseLights        material.UseLights
	AmbientLightsMax int // Current number of ambient lights
	DirLightsMax     int // Current Number of directional lights
	PointLightsMax   int // Current Number of point lights
	SpotLightsMax    int // Current Number of spot lights
	MatTexturesMax   int // Current Number of material textures
}

func (*ShaderSpecs) Compare

func (ss *ShaderSpecs) Compare(other *ShaderSpecs) bool

type Shaman

type Shaman struct {
	// contains filtered or unexported fields
}

func NewShaman

func NewShaman(gs *gls.GLS) *Shaman

NewShaman creates and returns a pointer to a new shader manager

func (*Shaman) AddChunk

func (sm *Shaman) AddChunk(name, source string) error

func (*Shaman) AddDefaultShaders

func (sm *Shaman) AddDefaultShaders() error

func (*Shaman) AddProgram

func (sm *Shaman) AddProgram(name, vertexName, fragName string) error

func (*Shaman) AddShader

func (sm *Shaman) AddShader(name, source string) error

func (*Shaman) GenProgram

func (sm *Shaman) GenProgram(specs *ShaderSpecs) (*gls.Program, error)

Generates shader program from the specified specs

func (*Shaman) Init

func (sm *Shaman) Init(gs *gls.GLS)

func (*Shaman) SetProgram

func (sm *Shaman) SetProgram(specs *ShaderSpecs) (bool, error)

SetShader set the shader to satify the specified specs Returns an indication if the current shader has changed and an error