opengl

Documentation

Index

• Variables
• func Init(runOnMainThread func(func() error) error)
• type Buffer
• type BufferType
• type BufferUsage
• type CompositeMode
• type Context
  • func GetContext() *Context
  • func (c *Context) BindElementArrayBuffer(b Buffer)
  • func (c *Context) BindScreenFramebuffer() error
  • func (c *Context) BindTexture(t Texture) error
  • func (c *Context) BlendFunc(mode CompositeMode)
  • func (c *Context) BufferSubData(bufferType BufferType, data []float32)
  • func (c *Context) DeleteBuffer(b Buffer)
  • func (c *Context) DeleteFramebuffer(f Framebuffer)
  • func (c *Context) DeleteProgram(p Program)
  • func (c *Context) DeleteShader(s Shader)
  • func (c *Context) DeleteTexture(t Texture)
  • func (c *Context) DisableVertexAttribArray(p Program, location string)
  • func (c *Context) DrawElements(mode Mode, len int, offsetInBytes int)
  • func (c *Context) EnableVertexAttribArray(p Program, location string)
  • func (c *Context) FillFramebuffer(r, g, b, a float64) error
  • func (c *Context) Flush()
  • func (c *Context) FramebufferPixels(f Framebuffer, width, height int) ([]uint8, error)
  • func (c *Context) GlslHighpSupported() bool
  • func (c *Context) IsTexture(t Texture) bool
  • func (c *Context) NewBuffer(bufferType BufferType, v interface{}, bufferUsage BufferUsage) Buffer
  • func (c *Context) NewFramebuffer(texture Texture) (Framebuffer, error)
  • func (c *Context) NewProgram(shaders []Shader) (Program, error)
  • func (c *Context) NewShader(shaderType ShaderType, source string) (Shader, error)
  • func (c *Context) NewTexture(width, height int, pixels []uint8, filter Filter) (Texture, error)
  • func (c *Context) Reset() error
  • func (c *Context) ResetViewportSize()
  • func (c *Context) ScreenFramebuffer() Framebuffer
  • func (c *Context) SetViewport(f Framebuffer, width, height int) error
  • func (c *Context) TexSubImage2D(p []uint8, width, height int)
  • func (c *Context) UniformFloats(p Program, location string, v []float32)
  • func (c *Context) UniformInt(p Program, location string, v int)
  • func (c *Context) UseProgram(p Program)
  • func (c *Context) VertexAttribPointer(p Program, location string, size int, dataType DataType, normalize bool, ...)
• type DataType
  • func (d DataType) SizeInBytes() int
• type Filter
• type Framebuffer
• type Mode
• type Program
• type Shader
• type ShaderType
• type Texture

Variables

var (
	Nearest            Filter
	Linear             Filter
	VertexShader       ShaderType
	FragmentShader     ShaderType
	ArrayBuffer        BufferType
	ElementArrayBuffer BufferType
	DynamicDraw        BufferUsage
	StaticDraw         BufferUsage
	Triangles          Mode
	Lines              Mode
	Short              DataType
	Float              DataType
)

Functions

func Init

func Init(runOnMainThread func(func() error) error)

Types

type Buffer

type Buffer uint32

type BufferType

type BufferType int

type BufferUsage

type BufferUsage int

type CompositeMode

type CompositeMode int

const (
	CompositeModeSourceOver CompositeMode = iota // This value must be 0 (= initial value)
	CompositeModeClear
	CompositeModeCopy
	CompositeModeDestination
	CompositeModeDestinationOver
	CompositeModeSourceIn
	CompositeModeDestinationIn
	CompositeModeSourceOut
	CompositeModeDestinationOut
	CompositeModeSourceAtop
	CompositeModeDestinationAtop
	CompositeModeXor
	CompositeModeLighter
	CompositeModeUnknown
)

type Context

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

func GetContext

func GetContext() *Context

func (*Context) BindElementArrayBuffer

func (c *Context) BindElementArrayBuffer(b Buffer)

func (*Context) BindScreenFramebuffer

func (c *Context) BindScreenFramebuffer() error

func (*Context) BindTexture

func (c *Context) BindTexture(t Texture) error

func (*Context) BlendFunc

func (c *Context) BlendFunc(mode CompositeMode)

func (*Context) BufferSubData

func (c *Context) BufferSubData(bufferType BufferType, data []float32)

func (*Context) DeleteBuffer

func (c *Context) DeleteBuffer(b Buffer)

func (*Context) DeleteFramebuffer

func (c *Context) DeleteFramebuffer(f Framebuffer)

func (*Context) DeleteProgram

func (c *Context) DeleteProgram(p Program)

func (*Context) DeleteShader

func (c *Context) DeleteShader(s Shader)

func (*Context) DeleteTexture

func (c *Context) DeleteTexture(t Texture)

func (*Context) DisableVertexAttribArray

func (c *Context) DisableVertexAttribArray(p Program, location string)

func (*Context) DrawElements

func (c *Context) DrawElements(mode Mode, len int, offsetInBytes int)

func (*Context) EnableVertexAttribArray

func (c *Context) EnableVertexAttribArray(p Program, location string)

func (*Context) FillFramebuffer

func (c *Context) FillFramebuffer(r, g, b, a float64) error

func (*Context) Flush

func (c *Context) Flush()

func (*Context) FramebufferPixels

func (c *Context) FramebufferPixels(f Framebuffer, width, height int) ([]uint8, error)

func (*Context) GlslHighpSupported

func (c *Context) GlslHighpSupported() bool

func (*Context) IsTexture

func (c *Context) IsTexture(t Texture) bool

func (*Context) NewBuffer

func (c *Context) NewBuffer(bufferType BufferType, v interface{}, bufferUsage BufferUsage) Buffer

func (*Context) NewFramebuffer

func (c *Context) NewFramebuffer(texture Texture) (Framebuffer, error)

func (*Context) NewProgram

func (c *Context) NewProgram(shaders []Shader) (Program, error)

func (*Context) NewShader

func (c *Context) NewShader(shaderType ShaderType, source string) (Shader, error)

func (*Context) NewTexture

func (c *Context) NewTexture(width, height int, pixels []uint8, filter Filter) (Texture, error)

func (*Context) Reset

func (c *Context) Reset() error

func (*Context) ResetViewportSize

func (c *Context) ResetViewportSize()

func (*Context) ScreenFramebuffer

func (c *Context) ScreenFramebuffer() Framebuffer

func (*Context) SetViewport

func (c *Context) SetViewport(f Framebuffer, width, height int) error

func (*Context) TexSubImage2D

func (c *Context) TexSubImage2D(p []uint8, width, height int)

func (*Context) UniformFloats

func (c *Context) UniformFloats(p Program, location string, v []float32)

func (*Context) UniformInt

func (c *Context) UniformInt(p Program, location string, v int)

func (*Context) UseProgram

func (c *Context) UseProgram(p Program)

func (*Context) VertexAttribPointer

func (c *Context) VertexAttribPointer(p Program, location string, size int, dataType DataType, normalize bool, stride int, offset int)

type DataType

type DataType int

func (DataType) SizeInBytes

func (d DataType) SizeInBytes() int

type Filter

type Filter int

type Framebuffer

type Framebuffer uint32

type Mode

type Mode int

type Program

type Program uint32

type Shader

type Shader uint32

type ShaderType

type ShaderType int

type Texture

type Texture uint32