v0.6.0 — Gesture Events

What's New

Gesture Events (Vello-style per-frame recognition)

• GestureEvent struct with:

  • NumPointers — active touch points count
  • ZoomDelta — proportional zoom (1.0 = no change)
  • ZoomDelta2D — non-proportional zoom (stretch)
  • RotationDelta — rotation in radians
  • TranslationDelta — pan movement
  • PinchType — classification
  • Center — centroid of touch points

• PinchType enum:

  • PinchNone
  • PinchHorizontal (horizontal > 3x vertical)
  • PinchVertical (vertical > 3x horizontal)
  • PinchProportional (uniform zoom)

• Point type with Add(), Sub(), Scale() methods

• GestureEventSource interface with OnGesture() callback

Full Changelog: v0.5.0...v0.6.0

v0.5.0 — W3C Pointer Events + Scroll Events

What's New

W3C Pointer Events Level 3

Unified pointer input for mouse, touch, and pen:

• PointerEvent — full W3C compliance with PointerID, Pressure, Tilt, Twist
• PointerEventType — Down, Up, Move, Enter, Leave, Cancel
• PointerType — Mouse, Touch, Pen
• Button / Buttons — button state tracking
• PointerEventSource interface

Scroll Events

Mouse wheel and trackpad support:

• ScrollEvent with DeltaX/DeltaY
• ScrollDeltaMode — Pixel, Line, Page modes
• ScrollEventSource interface

CI/CD Infrastructure

• GitHub Actions workflow (Linux, macOS, Windows)
• golangci-lint v2 configuration
• 90%+ test coverage

Breaking Changes

• TouchCancelled → TouchCanceled (US English spelling)
• Removed unused DeviceHandle alias

Full Changelog: v0.4.0...v0.5.0

v0.4.0 - Texture & Touch Interfaces

Added

Texture interfaces

• Texture — minimal interface with Width/Height
• TextureDrawer — interface for drawing textures (DrawTexture, DrawTextureEx)
• TextureCreator — interface for creating textures from pixel data
• TextureDrawOptions — options for advanced texture rendering

Touch input support

• TouchID — unique identifier for touch points
• TouchPhase — lifecycle stages (Began, Moved, Ended, Cancelled)
• TouchPoint — single touch contact with position, optional pressure/radius
• TouchEvent — complete touch event with Changed/All points
• TouchEventSource — interface for registering touch callbacks
• NullTouchEventSource — no-op implementation

Notes

• Touch interfaces follow platform conventions (iOS, Android, W3C)
• Texture interfaces enable gg↔gogpu integration without circular deps

v0.3.1: gputypes v0.2.0

Changes

• Update gputypes dependency to v0.2.0
• gputypes v0.2.0 provides webgpu.h spec-compliant enum values
• Binary compatibility with wgpu-native

Full Changelog

v0.3.0...v0.3.1

v0.3.0: gputypes Integration

gpucontext v0.3.0

Unified WebGPU types via gputypes import.

Changed

• Import gputypes for unified WebGPU types
  • DeviceProvider.SurfaceFormat() now returns gputypes.TextureFormat
  • Removed local type re-exports in favor of gputypes
  • Single source of truth for WebGPU types across ecosystem

Added

• CODE_OF_CONDUCT.md
• SECURITY.md

Installation

go get github.com/gogpu/gpucontext@v0.3.0

v0.2.0 - IME Support for CJK Input

What's New

IME Support for CJK Input (Chinese, Japanese, Korean)

• IMEState struct for composition tracking

  • Composing, CompositionText, CursorPos
  • SelectionStart, SelectionEnd

• IMEController interface for IME positioning

  • SetIMEPosition(x, y int)
  • SetIMEEnabled(enabled bool)

• EventSource extended with IME events

  • OnIMECompositionStart(func())
  • OnIMECompositionUpdate(func(state IMEState))
  • OnIMECompositionEnd(func(committed string))

• NullEventSource updated with no-op IME implementations

Notes

• IME interfaces are contracts only — platform integration happens in host applications (gogpu)
• Required for enterprise UI frameworks supporting international users
• Part of the gogpu ecosystem

Full Changelog: v0.1.1...v0.2.0

v0.1.1 — Shared GPU Infrastructure

gpucontext v0.1.1

Shared foundation for the gogpu ecosystem with zero dependencies.

Features

• DeviceProvider — Interface for GPU device/queue injection
• EventSource — Interface for input events (keyboard, mouse, window)
• Registry[T] — Generic priority-based backend selection
• WebGPU Types — Device, Queue, Adapter, Surface interfaces

Installation

go get github.com/gogpu/gpucontext@v0.1.1

Requires: Go 1.25+

Documentation

• README
• CHANGELOG
• ROADMAP

Related Projects

Package	Description
gogpu/gogpu	Graphics framework
gogpu/gg	2D graphics
gogpu/wgpu	Pure Go WebGPU