graphics

package
v1.3.0-rc1 Latest Latest
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Published: Apr 22, 2016 License: Apache-2.0 Imports: 8 Imported by: 0

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Index

Constants

View Source
const MaxQuads = indicesNum / 6

Variables

This section is empty.

Functions

func NextPowerOf2Int32 added in v1.3.0

func NextPowerOf2Int32(x int32) int32

Types

type Framebuffer

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

func NewFramebufferFromTexture

func NewFramebufferFromTexture(c *opengl.Context, texture *Texture) (*Framebuffer, error)

func NewZeroFramebuffer

func NewZeroFramebuffer(c *opengl.Context, width, height int) (*Framebuffer, error)

func (*Framebuffer) Dispose

func (f *Framebuffer) Dispose(c *opengl.Context)

func (*Framebuffer) DrawTexture

func (f *Framebuffer) DrawTexture(c *opengl.Context, t *Texture, vertices []int16, geo, clr Matrix, mode opengl.CompositeMode) error

func (*Framebuffer) Fill

func (f *Framebuffer) Fill(c *opengl.Context, clr color.Color) error

func (*Framebuffer) Pixels

func (f *Framebuffer) Pixels(c *opengl.Context) ([]uint8, error)

func (*Framebuffer) ReplacePixels added in v1.3.0

func (f *Framebuffer) ReplacePixels(c *opengl.Context, t *Texture, p []uint8) error

func (*Framebuffer) Size

func (f *Framebuffer) Size() (width, height int)

type Matrix

type Matrix interface {
	Element(i, j int) float64
}

type Texture

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

func NewTexture

func NewTexture(c *opengl.Context, width, height int, filter opengl.Filter) (*Texture, error)

func NewTextureFromImage

func NewTextureFromImage(c *opengl.Context, img image.Image, filter opengl.Filter) (*Texture, error)

func (*Texture) Dispose

func (t *Texture) Dispose(c *opengl.Context)

func (*Texture) Size

func (t *Texture) Size() (width, height int)

Directories

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