render

May 6, 2026

Changes in this version

type NullDeviceHandle

+ func (NullDeviceHandle) AdapterInfo() gpucontext.AdapterInfo

Jan 27, 2026

Changes in this version

+ type CapableRenderer interface

+ Capabilities func() RendererCapabilities

+ type DeviceCapabilities struct

+ DeviceName string

+ MaxBindGroups uint32

+ MaxTextureSize uint32

+ SupportsCompute bool

+ SupportsStorageTextures bool

+ VendorName string

+ type DeviceHandle = gpucontext.DeviceProvider

+ type DirtyRect struct

+ Height float64

+ Width float64

+ X float64

+ Y float64

+ type GPURenderer struct

+ func NewGPURenderer(handle DeviceHandle) (*GPURenderer, error)

+ func (r *GPURenderer) Capabilities() RendererCapabilities

+ func (r *GPURenderer) CreateTextureTarget(width, height int) (*TextureTarget, error)

+ func (r *GPURenderer) DeviceHandle() DeviceHandle

+ func (r *GPURenderer) Flush() error

+ func (r *GPURenderer) Render(target RenderTarget, scene *Scene) error

+ type LayeredPixmapTarget struct

+ func NewLayeredPixmapTarget(width, height int) *LayeredPixmapTarget

+ func (t *LayeredPixmapTarget) Clear(c color.Color)

+ func (t *LayeredPixmapTarget) ClearLayer(z int, c color.Color) error

+ func (t *LayeredPixmapTarget) Composite()

+ func (t *LayeredPixmapTarget) CreateLayer(z int) (RenderTarget, error)

+ func (t *LayeredPixmapTarget) Format() gpucontext.TextureFormat

+ func (t *LayeredPixmapTarget) GetLayer(z int) RenderTarget

+ func (t *LayeredPixmapTarget) Height() int

+ func (t *LayeredPixmapTarget) Image() *image.RGBA

+ func (t *LayeredPixmapTarget) Layers() []int

+ func (t *LayeredPixmapTarget) Pixels() []byte

+ func (t *LayeredPixmapTarget) RemoveLayer(z int) error

+ func (t *LayeredPixmapTarget) SetLayerVisible(z int, visible bool)

+ func (t *LayeredPixmapTarget) Stride() int

+ func (t *LayeredPixmapTarget) TextureView() TextureView

+ func (t *LayeredPixmapTarget) Width() int

+ type LayeredTarget interface

+ Composite func()

+ CreateLayer func(z int) (RenderTarget, error)

+ Layers func() []int

+ RemoveLayer func(z int) error

+ SetLayerVisible func(z int, visible bool)

+ type NullDeviceHandle struct

+ func (NullDeviceHandle) Adapter() gpucontext.Adapter

+ func (NullDeviceHandle) Device() gpucontext.Device

+ func (NullDeviceHandle) Queue() gpucontext.Queue

+ func (NullDeviceHandle) SurfaceFormat() gpucontext.TextureFormat

+ type PixmapTarget struct

+ func NewPixmapTarget(width, height int) *PixmapTarget

+ func NewPixmapTargetFromImage(img *image.RGBA) *PixmapTarget

+ func (t *PixmapTarget) Clear(c color.Color)

+ func (t *PixmapTarget) Format() gpucontext.TextureFormat

+ func (t *PixmapTarget) GetPixel(x, y int) color.Color

+ func (t *PixmapTarget) Height() int

+ func (t *PixmapTarget) Image() *image.RGBA

+ func (t *PixmapTarget) Pixels() []byte

+ func (t *PixmapTarget) Resize(width, height int)

+ func (t *PixmapTarget) SetPixel(x, y int, c color.Color)

+ func (t *PixmapTarget) Stride() int

+ func (t *PixmapTarget) TextureView() TextureView

+ func (t *PixmapTarget) Width() int

+ type RenderTarget interface

+ Format func() gpucontext.TextureFormat

+ Height func() int

+ Pixels func() []byte

+ Stride func() int

+ TextureView func() TextureView

+ Width func() int

+ type Renderer interface

+ Flush func() error

+ Render func(target RenderTarget, scene *Scene) error

+ type RendererCapabilities struct

+ IsGPU bool

+ MaxTextureSize int

+ SupportsAntialiasing bool

+ SupportsBlendModes bool

+ SupportsGradients bool

+ SupportsTextures bool

+ type Scene struct

+ func NewScene() *Scene

+ func (s *Scene) Circle(cx, cy, r float64)

+ func (s *Scene) Clear(c color.Color)

+ func (s *Scene) ClearDirty()

+ func (s *Scene) ClosePath()

+ func (s *Scene) CommandCount() int

+ func (s *Scene) CubicTo(c1x, c1y, c2x, c2y, x, y float64)

+ func (s *Scene) DirtyRects() []DirtyRect

+ func (s *Scene) Fill()

+ func (s *Scene) HasDirtyRegions() bool

+ func (s *Scene) Invalidate(rect DirtyRect)

+ func (s *Scene) InvalidateAll()

+ func (s *Scene) IsEmpty() bool

+ func (s *Scene) LineTo(x, y float64)

+ func (s *Scene) MoveTo(x, y float64)

+ func (s *Scene) NeedsFullRedraw() bool

+ func (s *Scene) QuadTo(cx, cy, x, y float64)

+ func (s *Scene) Rectangle(x, y, width, height float64)

+ func (s *Scene) Reset()

+ func (s *Scene) SetFillColor(c color.Color)

+ func (s *Scene) SetFillRule(rule core.FillRule)

+ func (s *Scene) SetStrokeColor(c color.Color)

+ func (s *Scene) SetStrokeWidth(width float64)

+ func (s *Scene) Stroke()

+ type SoftwareRenderer struct

+ func NewSoftwareRenderer() *SoftwareRenderer

+ func (r *SoftwareRenderer) Capabilities() RendererCapabilities

+ func (r *SoftwareRenderer) Flush() error

+ func (r *SoftwareRenderer) Render(target RenderTarget, scene *Scene) error

+ type SurfaceTarget struct

+ func NewSurfaceTarget(width, height int, format gpucontext.TextureFormat, view TextureView) *SurfaceTarget

+ func (t *SurfaceTarget) Format() gpucontext.TextureFormat

+ func (t *SurfaceTarget) Height() int

+ func (t *SurfaceTarget) Pixels() []byte

+ func (t *SurfaceTarget) Stride() int

+ func (t *SurfaceTarget) TextureView() TextureView

+ func (t *SurfaceTarget) Width() int

+ type Texture interface

+ CreateView func() TextureView

+ Destroy func()

+ Format func() gpucontext.TextureFormat

+ Height func() uint32

+ Width func() uint32

+ type TextureDescriptor struct

+ Depth uint32

+ Format gpucontext.TextureFormat

+ Height uint32

+ Label string

+ MipLevelCount uint32

+ SampleCount uint32

+ Usage TextureUsage

+ Width uint32

+ func DefaultTextureDescriptor(width, height uint32, format gpucontext.TextureFormat) TextureDescriptor

+ type TextureTarget struct

+ func NewTextureTarget(handle DeviceHandle, width, height int, format gpucontext.TextureFormat) (*TextureTarget, error)

+ func (t *TextureTarget) Destroy()

+ func (t *TextureTarget) Format() gpucontext.TextureFormat

+ func (t *TextureTarget) Height() int

+ func (t *TextureTarget) Pixels() []byte

+ func (t *TextureTarget) Stride() int

+ func (t *TextureTarget) TextureView() TextureView

+ func (t *TextureTarget) Width() int

+ type TextureUsage uint32

+ const TextureUsageCopyDst

+ const TextureUsageCopySrc

+ const TextureUsageRenderAttachment

+ const TextureUsageStorageBinding

+ const TextureUsageTextureBinding

+ type TextureView interface

+ Destroy func()