surfacetexture

Documentation

Overview

Package surfacetexture provides Go bindings for Android SurfaceTexture.

Index

• type Error
  • func (e Error) Error() string
• type NativeWindow
  • func NewNativeWindowFromPointer(ptr unsafe.Pointer) *NativeWindow
  • func NewNativeWindowFromUintPtr(ptr uintptr) *NativeWindow
  • func (h *NativeWindow) Pointer() unsafe.Pointer
  • func (h *NativeWindow) UintPtr() uintptr
• type SurfaceTexture
  • func NewSurfaceTextureFromPointer(ptr unsafe.Pointer) *SurfaceTexture
  • func NewSurfaceTextureFromUintPtr(ptr uintptr) *SurfaceTexture
  • func (h *SurfaceTexture) AcquireWindow() *NativeWindow
  • func (h *SurfaceTexture) AttachToGLContext(texName uint32) error
  • func (h *SurfaceTexture) Close() error
  • func (h *SurfaceTexture) DetachFromGLContext() error
  • func (h *SurfaceTexture) Pointer() unsafe.Pointer
  • func (h *SurfaceTexture) Timestamp() int64
  • func (h *SurfaceTexture) TransformMatrix(mtx *[16]float32)
  • func (h *SurfaceTexture) UintPtr() uintptr
  • func (h *SurfaceTexture) UpdateTexImage() error

Types

type Error

type Error int32

Error represents an NDK error code.

func (Error) Error

func (e Error) Error() string

type NativeWindow

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

NativeWindow wraps the NDK ANativeWindow handle.

func NewNativeWindowFromPointer

func NewNativeWindowFromPointer(ptr unsafe.Pointer) *NativeWindow

NewNativeWindowFromPointer wraps a raw ANativeWindow pointer.

func NewNativeWindowFromUintPtr

func NewNativeWindowFromUintPtr(ptr uintptr) *NativeWindow

NewNativeWindowFromUintPtr wraps a uintptr as a NativeWindow. The caller must ensure ptr points to a valid ANativeWindow.

func (*NativeWindow) Pointer

func (h *NativeWindow) Pointer() unsafe.Pointer

Pointer returns the underlying pointer as unsafe.Pointer.

func (*NativeWindow) UintPtr

func (h *NativeWindow) UintPtr() uintptr

UintPtr returns the underlying pointer as a uintptr. This is useful for interop with gomobile bind, golang.org/x/mobile, gioui.org, and other packages that represent native handles as uintptr.

type SurfaceTexture

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

SurfaceTexture wraps the NDK ASurfaceTexture handle.

func NewSurfaceTextureFromPointer

func NewSurfaceTextureFromPointer(ptr unsafe.Pointer) *SurfaceTexture

NewSurfaceTextureFromPointer wraps a raw ASurfaceTexture pointer.

func NewSurfaceTextureFromUintPtr

func NewSurfaceTextureFromUintPtr(ptr uintptr) *SurfaceTexture

NewSurfaceTextureFromUintPtr wraps a uintptr as a SurfaceTexture. The caller must ensure ptr points to a valid ASurfaceTexture.

func (*SurfaceTexture) AcquireWindow

func (h *SurfaceTexture) AcquireWindow() *NativeWindow

AcquireWindow creates a new NativeWindow from this SurfaceTexture.

func (*SurfaceTexture) AttachToGLContext

func (h *SurfaceTexture) AttachToGLContext(texName uint32) error

AttachToGLContext calls the underlying NDK function.

func (*SurfaceTexture) Close

func (h *SurfaceTexture) Close() error

Close releases the underlying NDK handle.

func (*SurfaceTexture) DetachFromGLContext

func (h *SurfaceTexture) DetachFromGLContext() error

DetachFromGLContext calls the underlying NDK function.

func (*SurfaceTexture) Pointer

func (h *SurfaceTexture) Pointer() unsafe.Pointer

Pointer returns the underlying pointer as unsafe.Pointer.

func (*SurfaceTexture) Timestamp

func (h *SurfaceTexture) Timestamp() int64

Timestamp returns the value directly.

func (*SurfaceTexture) TransformMatrix

func (h *SurfaceTexture) TransformMatrix(mtx *[16]float32)

TransformMatrix calls the underlying NDK function.

func (*SurfaceTexture) UintPtr

func (h *SurfaceTexture) UintPtr() uintptr

UintPtr returns the underlying pointer as a uintptr. This is useful for interop with gomobile bind, golang.org/x/mobile, gioui.org, and other packages that represent native handles as uintptr.

func (*SurfaceTexture) UpdateTexImage

func (h *SurfaceTexture) UpdateTexImage() error

UpdateTexImage calls the underlying NDK function.