raster

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Versions in this module

v0

v0.31.0

Aug 2, 2026

Changes in this version

+ const DefaultGuardBandX — darwin/amd64, linux/amd64, windows/amd64

+ const DefaultGuardBandY — darwin/amd64, linux/amd64, windows/amd64

+ const TileSize — darwin/amd64, linux/amd64, windows/amd64

+ var AllFrustumPlanes = []ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ var BlendAdditive = BlendState — darwin/amd64, linux/amd64, windows/amd64

+ var BlendDisabled = BlendState — darwin/amd64, linux/amd64, windows/amd64

+ var BlendMultiply = BlendState — darwin/amd64, linux/amd64, windows/amd64

+ var BlendPremultiplied = BlendState — darwin/amd64, linux/amd64, windows/amd64

+ var BlendScreen = BlendState — darwin/amd64, linux/amd64, windows/amd64

+ var BlendSourceOver = BlendState — darwin/amd64, linux/amd64, windows/amd64

+ var ClipPlaneBottom = ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ var ClipPlaneFar = ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ var ClipPlaneLeft = ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ var ClipPlaneNear = ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ var ClipPlaneRight = ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ var ClipPlaneTop = ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ var NearFarPlanes = []ClipPlane — darwin/amd64, linux/amd64, windows/amd64

+ func BinTrianglesToTiles(triangles []Triangle, grid *TileGrid) map[int][]Triangle — darwin/amd64, linux/amd64, windows/amd64

+ func BinTrianglesToTilesWithTest(triangles []Triangle, grid *TileGrid) map[int][]Triangle — darwin/amd64, linux/amd64, windows/amd64

+ func Blend(src, dst [4]float32, state BlendState) [4]float32 — darwin/amd64, linux/amd64, windows/amd64

+ func BlendBytes(srcR, srcG, srcB, srcA, dstR, dstG, dstB, dstA byte, state BlendState) (r, g, b, a byte) — darwin/amd64, linux/amd64, windows/amd64

+ func BlendFloatToByte(src [4]float32, dstR, dstG, dstB, dstA byte, state BlendState) (r, g, b, a byte) — darwin/amd64, linux/amd64, windows/amd64

+ func ClipTriangle(tri [3]ClipSpaceVertex) [][3]ClipSpaceVertex — darwin/amd64, linux/amd64, windows/amd64

+ func ClipTriangleAgainstPlane(tri [3]ClipSpaceVertex, plane ClipPlane) [][3]ClipSpaceVertex — darwin/amd64, linux/amd64, windows/amd64

+ func ClipTriangleAgainstPlanes(tri [3]ClipSpaceVertex, planes []ClipPlane) [][3]ClipSpaceVertex — darwin/amd64, linux/amd64, windows/amd64

+ func ClipTriangleFast(tri [3]ClipSpaceVertex) [][3]ClipSpaceVertex — darwin/amd64, linux/amd64, windows/amd64

+ func ClipTriangleNearFar(tri [3]ClipSpaceVertex) [][3]ClipSpaceVertex — darwin/amd64, linux/amd64, windows/amd64

+ func ComputeClipSpaceTriangleArea2D(tri [3]ClipSpaceVertex) float32 — darwin/amd64, linux/amd64, windows/amd64

+ func ComputeClipSpaceTriangleAreaNDC(tri [3]ClipSpaceVertex) float32 — darwin/amd64, linux/amd64, windows/amd64

+ func ComputeScreenTriangleArea(tri Triangle) float32 — darwin/amd64, linux/amd64, windows/amd64

+ func ComputeTriangleArea(v0, v1, v2 ScreenVertex) float32 — darwin/amd64, linux/amd64, windows/amd64

+ func DegenerateTriangleCull(tri [3]ClipSpaceVertex) bool — darwin/amd64, linux/amd64, windows/amd64

+ func FrustumCull(tri [3]ClipSpaceVertex) bool — darwin/amd64, linux/amd64, windows/amd64

+ func GetFragmentSlice() *[]Fragment — darwin/amd64, linux/amd64, windows/amd64

+ func GuardBandCull(tri [3]ClipSpaceVertex, guardBandX, guardBandY float32) bool — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateAttributes(attrs0, attrs1, attrs2 []float32, b0, b1, b2, w0, w1, w2 float32) []float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateAttributesLinear(attrs0, attrs1, attrs2 []float32, b0, b1, b2 float32) []float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateDepth(z0, z1, z2 float32, b0, b1, b2 float32, w0, w1, w2 float32) float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateFloat32(v0, v1, v2 float32, b0, b1, b2 float32, w0, w1, w2 float32) float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateFloat32Linear(v0, v1, v2 float32, b0, b1, b2 float32) float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateVec2(v0, v1, v2 [2]float32, b0, b1, b2, w0, w1, w2 float32) [2]float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateVec2Linear(v0, v1, v2 [2]float32, b0, b1, b2 float32) [2]float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateVec3(v0, v1, v2 [3]float32, b0, b1, b2, w0, w1, w2 float32) [3]float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateVec3Linear(v0, v1, v2 [3]float32, b0, b1, b2 float32) [3]float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateVec4(v0, v1, v2 [4]float32, b0, b1, b2, w0, w1, w2 float32) [4]float32 — darwin/amd64, linux/amd64, windows/amd64

+ func InterpolateVec4Linear(v0, v1, v2 [4]float32, b0, b1, b2 float32) [4]float32 — darwin/amd64, linux/amd64, windows/amd64

+ func IsBackFacing(tri Triangle, frontFace FrontFace) bool — darwin/amd64, linux/amd64, windows/amd64

+ func IsBackFacingClipSpace(tri [3]ClipSpaceVertex, frontFace FrontFace) bool — darwin/amd64, linux/amd64, windows/amd64

+ func IsCompletelyInside(tri [3]ClipSpaceVertex) bool — darwin/amd64, linux/amd64, windows/amd64

+ func IsCompletelyOutside(tri [3]ClipSpaceVertex) bool — darwin/amd64, linux/amd64, windows/amd64

+ func PutFragmentSlice(s *[]Fragment) — darwin/amd64, linux/amd64, windows/amd64

+ func Rasterize(tri Triangle, viewport Viewport, callback RasterCallback) — darwin/amd64, linux/amd64, windows/amd64

+ func RasterizeIncremental(tri Triangle, viewport Viewport, callback RasterCallback) — darwin/amd64, linux/amd64, windows/amd64

+ func RasterizeTile(tri Triangle, tile Tile, callback RasterCallback) — darwin/amd64, linux/amd64, windows/amd64

+ func ShouldCull(tri Triangle, cullMode CullMode, frontFace FrontFace) bool — darwin/amd64, linux/amd64, windows/amd64

+ func ShouldCullClipSpace(tri [3]ClipSpaceVertex, cullMode CullMode, frontFace FrontFace) bool — darwin/amd64, linux/amd64, windows/amd64

+ func SmallTriangleCull(tri Triangle, minArea float32) bool — darwin/amd64, linux/amd64, windows/amd64

+ func TileTriangleTest(tile Tile, e01, e12, e20 EdgeFunction) int — darwin/amd64, linux/amd64, windows/amd64

+ func TriangleTrivialAccept(tri [3]ClipSpaceVertex) bool — darwin/amd64, linux/amd64, windows/amd64

+ func TriangleTrivialReject(tri [3]ClipSpaceVertex) bool — darwin/amd64, linux/amd64, windows/amd64

+ type BlendFactor uint8 — darwin/amd64, linux/amd64, windows/amd64

+ const BlendFactorConstant

+ const BlendFactorDst

+ const BlendFactorDstAlpha

+ const BlendFactorOne

+ const BlendFactorOneMinusConstant

+ const BlendFactorOneMinusDst

+ const BlendFactorOneMinusDstAlpha

+ const BlendFactorOneMinusSrc

+ const BlendFactorOneMinusSrcAlpha

+ const BlendFactorSrc

+ const BlendFactorSrcAlpha

+ const BlendFactorSrcAlphaSaturated

+ const BlendFactorZero

+ type BlendOperation uint8 — darwin/amd64, linux/amd64, windows/amd64

+ const BlendOpAdd

+ const BlendOpMax

+ const BlendOpMin

+ const BlendOpReverseSubtract

+ const BlendOpSubtract

+ type BlendState struct — darwin/amd64, linux/amd64, windows/amd64

+ AlphaOp BlendOperation

+ ColorOp BlendOperation

+ Constant [4]float32

+ DstAlpha BlendFactor

+ DstColor BlendFactor

+ Enabled bool

+ SrcAlpha BlendFactor

+ SrcColor BlendFactor

+ type ClipPlane struct — darwin/amd64, linux/amd64, windows/amd64

+ A float32

+ B float32

+ C float32

+ D float32

+ func (p ClipPlane) Distance(v ClipSpaceVertex) float32

+ func (p ClipPlane) Intersect(v0, v1 ClipSpaceVertex) (ClipSpaceVertex, float32)

+ func (p ClipPlane) IsInside(v ClipSpaceVertex) bool

+ type ClipSpaceVertex struct — darwin/amd64, linux/amd64, windows/amd64

+ Attributes []float32

+ Position [4]float32

+ type CompareFunc uint8 — darwin/amd64, linux/amd64, windows/amd64

+ const CompareAlways

+ const CompareEqual

+ const CompareGreater

+ const CompareGreaterEqual

+ const CompareLess

+ const CompareLessEqual

+ const CompareNever

+ const CompareNotEqual

+ type CullMode uint8 — darwin/amd64, linux/amd64, windows/amd64

+ const CullBack

+ const CullFront

+ const CullNone

+ type DepthBuffer struct — darwin/amd64, linux/amd64, windows/amd64

+ func NewDepthBuffer(width, height int) *DepthBuffer

+ func (d *DepthBuffer) Clear(value float32)

+ func (d *DepthBuffer) Get(x, y int) float32

+ func (d *DepthBuffer) GetData() []float32

+ func (d *DepthBuffer) Height() int

+ func (d *DepthBuffer) Set(x, y int, depth float32)

+ func (d *DepthBuffer) Test(x, y int, depth float32, compare CompareFunc) bool

+ func (d *DepthBuffer) TestAndSet(x, y int, depth float32, compare CompareFunc, write bool) bool

+ func (d *DepthBuffer) Width() int

+ type EdgeFunction struct — darwin/amd64, linux/amd64, windows/amd64

+ A float32

+ B float32

+ C float32

+ func NewEdgeFunction(x0, y0, x1, y1 float32) EdgeFunction

+ func (e EdgeFunction) Evaluate(x, y float32) float32

+ func (e EdgeFunction) IsTopLeft() bool

+ type Fragment struct — darwin/amd64, linux/amd64, windows/amd64

+ Attributes []float32

+ Bary [3]float32

+ Depth float32

+ X int

+ Y int

+ type FragmentShaderFunc func(attrs []float32) [4]float32 — darwin/amd64, linux/amd64, windows/amd64

+ type FrontFace uint8 — darwin/amd64, linux/amd64, windows/amd64

+ const FrontFaceCCW

+ const FrontFaceCW

+ type IncrementalEdge struct — darwin/amd64, linux/amd64, windows/amd64

+ A float32

+ B float32

+ C float32

+ func NewIncrementalEdge(e EdgeFunction) IncrementalEdge

+ func NewIncrementalEdgeFromPoints(x0, y0, x1, y1 float32) IncrementalEdge

+ func (ie *IncrementalEdge) IsTopLeft() bool

+ func (ie *IncrementalEdge) NextRow()

+ func (ie *IncrementalEdge) SetRow(x, y float32)

+ func (ie *IncrementalEdge) StepX()

+ func (ie *IncrementalEdge) Value() float32

+ type IncrementalTriangle struct — darwin/amd64, linux/amd64, windows/amd64

+ E01 IncrementalEdge

+ E12 IncrementalEdge

+ E20 IncrementalEdge

+ InvArea float32

+ func NewIncrementalTriangle(tri Triangle) IncrementalTriangle

+ func (it *IncrementalTriangle) Area() float32

+ func (it *IncrementalTriangle) Barycentric() (b0, b1, b2 float32)

+ func (it *IncrementalTriangle) EdgeValues() (w0, w1, w2 float32)

+ func (it *IncrementalTriangle) IsDegenerate() bool

+ func (it *IncrementalTriangle) IsInside() bool

+ func (it *IncrementalTriangle) NextRow()

+ func (it *IncrementalTriangle) SetRow(x, y float32)

+ func (it *IncrementalTriangle) StepX()

+ type Outcode uint8 — darwin/amd64, linux/amd64, windows/amd64

+ const OutcodeBottom

+ const OutcodeFar

+ const OutcodeLeft

+ const OutcodeNear

+ const OutcodeRight

+ const OutcodeTop

+ func ComputeOutcode(v ClipSpaceVertex) Outcode

+ type ParallelConfig struct — darwin/amd64, linux/amd64, windows/amd64

+ MinTriangles int

+ TileSize int

+ Workers int

+ func DefaultParallelConfig() ParallelConfig

+ type ParallelRasterizer struct — darwin/amd64, linux/amd64, windows/amd64

+ func NewParallelRasterizer(width, height int, config ParallelConfig) *ParallelRasterizer

+ func (r *ParallelRasterizer) Close()

+ func (r *ParallelRasterizer) Config() ParallelConfig

+ func (r *ParallelRasterizer) Grid() *TileGrid

+ func (r *ParallelRasterizer) ParallelForEachTile(fn func(tile Tile))

+ func (r *ParallelRasterizer) RasterizeParallel(triangles []Triangle, callback func(tile Tile, triangles []Triangle))

+ func (r *ParallelRasterizer) Resize(width, height int)

+ type Pipeline struct — darwin/amd64, linux/amd64, windows/amd64

+ func NewPipeline(width, height int) *Pipeline

+ func (p *Pipeline) Clear(r, g, b, a float32)

+ func (p *Pipeline) ClearDepth(value float32)

+ func (p *Pipeline) ClearStencil(value uint8)

+ func (p *Pipeline) Close()

+ func (p *Pipeline) DrawTriangles(triangles []Triangle, color [4]float32)

+ func (p *Pipeline) DrawTrianglesInterpolated(triangles []Triangle)

+ func (p *Pipeline) DrawTrianglesParallel(triangles []Triangle, color [4]float32)

+ func (p *Pipeline) DrawTrianglesWithFragmentShader(triangles []Triangle, fragFunc FragmentShaderFunc)

+ func (p *Pipeline) EnableParallel(enabled bool)

+ func (p *Pipeline) GetBlendState() BlendState

+ func (p *Pipeline) GetColorBuffer() []byte

+ func (p *Pipeline) GetDepthBuffer() *DepthBuffer

+ func (p *Pipeline) GetParallelConfig() ParallelConfig

+ func (p *Pipeline) GetPixel(x, y int) (r, g, b, a byte)

+ func (p *Pipeline) GetScissor() *Rect

+ func (p *Pipeline) GetStencilBuffer() *StencilBuffer

+ func (p *Pipeline) GetStencilState() StencilState

+ func (p *Pipeline) GetViewport() Viewport

+ func (p *Pipeline) Height() int

+ func (p *Pipeline) IsClippingEnabled() bool

+ func (p *Pipeline) IsParallelEnabled() bool

+ func (p *Pipeline) Resize(width, height int)

+ func (p *Pipeline) SetBlendState(state BlendState)

+ func (p *Pipeline) SetClipping(enabled bool)

+ func (p *Pipeline) SetCullMode(mode CullMode)

+ func (p *Pipeline) SetDepthTest(enabled bool, compare CompareFunc)

+ func (p *Pipeline) SetDepthWrite(enabled bool)

+ func (p *Pipeline) SetFrontFace(face FrontFace)

+ func (p *Pipeline) SetParallelConfig(config ParallelConfig)

+ func (p *Pipeline) SetPixel(x, y int, r, g, b, a byte)

+ func (p *Pipeline) SetScissor(rect *Rect)

+ func (p *Pipeline) SetStencilBuffer(buf *StencilBuffer)

+ func (p *Pipeline) SetStencilState(state StencilState)

+ func (p *Pipeline) SetViewport(v Viewport)

+ func (p *Pipeline) Width() int

+ type RasterCallback func(frag Fragment) — darwin/amd64, linux/amd64, windows/amd64

+ type Rect struct — darwin/amd64, linux/amd64, windows/amd64

+ Height int

+ Width int

+ X int

+ Y int

+ type ScreenVertex struct — darwin/amd64, linux/amd64, windows/amd64

+ Attributes []float32

+ W float32

+ X float32

+ Y float32

+ Z float32

+ type StencilBuffer struct — darwin/amd64, linux/amd64, windows/amd64

+ func NewStencilBuffer(width, height int) *StencilBuffer

+ func (s *StencilBuffer) Apply(x, y int, op StencilOp, state StencilState)

+ func (s *StencilBuffer) Clear(value uint8)

+ func (s *StencilBuffer) Get(x, y int) uint8

+ func (s *StencilBuffer) GetData() []uint8

+ func (s *StencilBuffer) Height() int

+ func (s *StencilBuffer) Resize(width, height int)

+ func (s *StencilBuffer) Set(x, y int, value uint8)

+ func (s *StencilBuffer) Test(x, y int, state StencilState) bool

+ func (s *StencilBuffer) TestAndApply(x, y int, depthPassed bool, state StencilState) bool

+ func (s *StencilBuffer) Width() int

+ type StencilOp uint8 — darwin/amd64, linux/amd64, windows/amd64

+ const StencilOpDecrementClamp

+ const StencilOpDecrementWrap

+ const StencilOpIncrementClamp

+ const StencilOpIncrementWrap

+ const StencilOpInvert

+ const StencilOpKeep

+ const StencilOpReplace

+ const StencilOpZero

+ type StencilState struct — darwin/amd64, linux/amd64, windows/amd64

+ Compare CompareFunc

+ DepthFailOp StencilOp

+ Enabled bool

+ FailOp StencilOp

+ PassOp StencilOp

+ ReadMask uint8

+ Reference uint8

+ WriteMask uint8

+ func DefaultStencilState() StencilState

+ type Tile struct — darwin/amd64, linux/amd64, windows/amd64

+ MaxX int

+ MaxY int

+ MinX int

+ MinY int

+ X int

+ Y int

+ func (t Tile) Corners() TileCorners

+ func (t Tile) Height() int

+ func (t Tile) Width() int

+ type TileCorners struct — darwin/amd64, linux/amd64, windows/amd64

+ BL [2]float32

+ BR [2]float32

+ TL [2]float32

+ TR [2]float32

+ type TileGrid struct — darwin/amd64, linux/amd64, windows/amd64

+ func NewTileGrid(width, height int) *TileGrid

+ func (g *TileGrid) GetAllTiles() []Tile

+ func (g *TileGrid) GetTile(tx, ty int) Tile

+ func (g *TileGrid) GetTileAt(px, py int) (tx, ty int)

+ func (g *TileGrid) GetTilesForRect(minX, minY, maxX, maxY int) []Tile

+ func (g *TileGrid) GetTilesForTriangle(tri Triangle) []Tile

+ func (g *TileGrid) TileCount() int

+ func (g *TileGrid) TileIndex(tx, ty int) int

+ func (g *TileGrid) TilesX() int

+ func (g *TileGrid) TilesY() int

+ type Triangle struct — darwin/amd64, linux/amd64, windows/amd64

+ V0 ScreenVertex

+ V1 ScreenVertex

+ V2 ScreenVertex

+ func CreateScreenTriangle(x0, y0, z0, x1, y1, z1, x2, y2, z2 float32) Triangle

+ func CreateScreenTriangleWithColor(x0, y0, z0 float32, c0 [4]float32, x1, y1, z1 float32, c1 [4]float32, ...) Triangle

+ type Viewport struct — darwin/amd64, linux/amd64, windows/amd64

+ Height int

+ MaxDepth float32

+ MinDepth float32

+ Width int

+ X int

+ Y int

+ type WorkerPool struct — darwin/amd64, linux/amd64, windows/amd64

+ func NewWorkerPool(workers int) *WorkerPool

+ func (p *WorkerPool) Close()

+ func (p *WorkerPool) Start()

+ func (p *WorkerPool) Submit(task func())

+ func (p *WorkerPool) Wait()

+ func (p *WorkerPool) Workers() int

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