opengl

Documentation

Index

• Variables
• type Graphics
  • func Get() *Graphics
  • func (g *Graphics) Begin() error
  • func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, ...) error
  • func (g *Graphics) End(present bool) error
  • func (g *Graphics) FramebufferYDirection() graphicsdriver.YDirection
  • func (g *Graphics) Initialize() error
  • func (g *Graphics) IsDirectX() bool
  • func (g *Graphics) IsGL() bool
  • func (g *Graphics) MaxImageSize() int
  • func (g *Graphics) NeedsClearingScreen() bool
  • func (g *Graphics) NeedsRestoring() bool
  • func (g *Graphics) NewImage(width, height int) (graphicsdriver.Image, error)
  • func (g *Graphics) NewScreenFramebufferImage(width, height int) (graphicsdriver.Image, error)
  • func (g *Graphics) NewShader(program *shaderir.Program) (graphicsdriver.Shader, error)
  • func (g *Graphics) Reset() error
  • func (g *Graphics) SetFullscreen(fullscreen bool)
  • func (g *Graphics) SetTransparent(transparent bool)
  • func (g *Graphics) SetVertices(vertices []float32, indices []uint16) error
  • func (g *Graphics) SetVsyncEnabled(enabled bool)
• type Image
  • func (i *Image) Dispose()
  • func (i *Image) ID() graphicsdriver.ImageID
  • func (i *Image) IsInvalidated() bool
  • func (i *Image) ReadPixels(buf []byte) error
  • func (i *Image) ReplacePixels(args []*graphicsdriver.ReplacePixelsArgs) error
• type Shader
  • func (s *Shader) Dispose()
  • func (s *Shader) ID() graphicsdriver.ShaderID

Variables

var InvalidTexture textureNative

Types

type Graphics

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

func Get

func Get() *Graphics

func (*Graphics) Begin

func (g *Graphics) Begin() error

func (*Graphics) DrawTriangles

func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcIDs [graphics.ShaderImageNum]graphicsdriver.ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shaderID graphicsdriver.ShaderID, indexLen int, indexOffset int, mode graphicsdriver.CompositeMode, colorM graphicsdriver.ColorM, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, uniforms [][]float32, evenOdd bool) error

func (*Graphics) End

func (g *Graphics) End(present bool) error

func (*Graphics) FramebufferYDirection

func (g *Graphics) FramebufferYDirection() graphicsdriver.YDirection

func (*Graphics) Initialize

func (g *Graphics) Initialize() error

func (*Graphics) IsDirectX

func (g *Graphics) IsDirectX() bool

func (*Graphics) IsGL

func (g *Graphics) IsGL() bool

func (*Graphics) MaxImageSize

func (g *Graphics) MaxImageSize() int

func (*Graphics) NeedsClearingScreen

func (g *Graphics) NeedsClearingScreen() bool

func (*Graphics) NeedsRestoring

func (g *Graphics) NeedsRestoring() bool

func (*Graphics) NewImage

func (g *Graphics) NewImage(width, height int) (graphicsdriver.Image, error)

func (*Graphics) NewScreenFramebufferImage

func (g *Graphics) NewScreenFramebufferImage(width, height int) (graphicsdriver.Image, error)

func (*Graphics) NewShader

func (g *Graphics) NewShader(program *shaderir.Program) (graphicsdriver.Shader, error)

func (*Graphics) Reset

func (g *Graphics) Reset() error

Reset resets or initializes the current OpenGL state.

func (*Graphics) SetFullscreen

func (g *Graphics) SetFullscreen(fullscreen bool)

func (*Graphics) SetTransparent

func (g *Graphics) SetTransparent(transparent bool)

func (*Graphics) SetVertices

func (g *Graphics) SetVertices(vertices []float32, indices []uint16) error

func (*Graphics) SetVsyncEnabled

func (g *Graphics) SetVsyncEnabled(enabled bool)

type Image

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

func (*Image) Dispose

func (i *Image) Dispose()

func (*Image) ID

func (i *Image) ID() graphicsdriver.ImageID

func (*Image) IsInvalidated

func (i *Image) IsInvalidated() bool

func (*Image) ReadPixels

func (i *Image) ReadPixels(buf []byte) error

func (*Image) ReplacePixels

func (i *Image) ReplacePixels(args []*graphicsdriver.ReplacePixelsArgs) error

type Shader

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

func (*Shader) Dispose

func (s *Shader) Dispose()

func (*Shader) ID

func (s *Shader) ID() graphicsdriver.ShaderID