opengl

package
v2.4.3 Latest Latest
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Published: Sep 12, 2022 License: Apache-2.0 Imports: 12 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source
var InvalidTexture textureNative

Functions

func NewGraphics added in v2.4.0

func NewGraphics() (graphicsdriver.Graphics, error)

NewGraphics creates an implementation of graphicsdriver.Graphics for OpenGL. The returned graphics value is nil iff the error is not nil.

Types

type Graphics

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

func (*Graphics) Begin

func (g *Graphics) Begin() error

func (*Graphics) DrawTriangles added in v2.2.0

func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcIDs [graphics.ShaderImageCount]graphicsdriver.ImageID, offsets [graphics.ShaderImageCount - 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 added in v2.2.0

func (g *Graphics) Initialize() error

func (*Graphics) IsDirectX added in v2.3.0

func (g *Graphics) IsDirectX() bool

func (*Graphics) IsGL

func (g *Graphics) IsGL() bool

func (*Graphics) MaxImageSize

func (g *Graphics) MaxImageSize() int

func (*Graphics) NeedsClearingScreen added in v2.2.0

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 added in v2.2.0

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 added in v2.3.0

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

func (*Image) WritePixels added in v2.4.0

func (i *Image) WritePixels(args []*graphicsdriver.WritePixelsArgs) 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

Directories

Path Synopsis
Package gl implements Go bindings to OpenGL.
Package gl implements Go bindings to OpenGL.
Package gles implements Go bindings to OpenGL ES.
Package gles implements Go bindings to OpenGL ES.

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