egl

package
v0.0.0-...-8824276 Latest Latest
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 Go to latest Published: Dec 24, 2018 License: MIT Imports: 3 Imported by: 28

Documentation

Index

Constants

View Source 
const (
	VERSION_1_0 = 1
	VERSION_1_1 = 1
	VERSION_1_2 = 1
	VERSION_1_3 = 1
	VERSION_1_4 = 1
)

EGL Versioning

View Source 
const (
	DONT_CARE = -1
	UNKNOWN   = -1

	/*
		Constant scale factor by which fractional
		display resolutions & aspect ratio are scaled
		when queried as integer values.
	*/
	DISPLAY_SCALING = 10000
)

Out-of-band attribute value

View Source 
const (
	SUCCESS = 0x3000 + iota
	NOT_INITIALIZED
	BAD_ACCESS
	BAD_ALLOC
	BAD_ATTRIBUTE
	BAD_CONFIG
	BAD_CONTEXT
	BAD_CURRENT_SURFACE
	BAD_DISPLAY
	BAD_MATCH
	BAD_NATIVE_PIXMAP
	BAD_NATIVE_WINDOW
	BAD_PARAMETER
	BAD_SURFACE
	CONTEXT_LOST //EGL 1.1 - IMG_power_management

)

Errors / GetError return values

View Source 
const (
	BUFFER_SIZE = 0x3020 + iota
	ALPHA_SIZE
	BLUE_SIZE
	GREEN_SIZE
	RED_SIZE
	DEPTH_SIZE
	STENCIL_SIZE
	CONFIG_CAVEAT
	CONFIG_ID
	LEVEL
	MAX_PBUFFER_HEIGHT
	MAX_PBUFFER_PIXELS
	MAX_PBUFFER_WIDTH
	NATIVE_RENDERABLE
	NATIVE_VISUAL_ID
	NATIVE_VISUAL_TYPE

	SAMPLES
	SAMPLE_BUFFERS
	SURFACE_TYPE
	TRANSPARENT_TYPE
	TRANSPARENT_BLUE_VALUE
	TRANSPARENT_GREEN_VALUE
	TRANSPARENT_RED_VALUE
	// Attrib list terminator
	NONE
	BIND_TO_TEXTURE_RGB
	BIND_TO_TEXTURE_RGBA
	MIN_SWAP_INTERVAL
	MAX_SWAP_INTERVAL
	LUMINANCE_SIZE
	ALPHA_MASK_SIZE
	COLOR_BUFFER_TYPE
	RENDERABLE_TYPE
	// Pseudo-attribute (not queryable)
	MATCH_NATIVE_PIXMAP
	CONFORMANT
)

Config attributes

View Source 
const (
	PBUFFER_BIT = 0x0001 << iota
	PIXMAP_BIT
	WINDOW_BIT

	VG_COLORSPACE_LINEAR_BIT
	VG_ALPHA_FORMAT_PRE_BIT

	MULTISAMPLE_RESOLVE_BOX_BIT
	SWAP_BEHAVIOR_PRESERVED_BIT
)

SURFACE_TYPE mask bits

View Source 
const (
	OPENGL_ES_BIT  = 0x0001 << iota
	OPENVG_BIT     // 0x02
	OPENGL_ES2_BIT // 0x04
	OPENGL_BIT     // 0x08

	OPENGL_ES3_BIT // 0x40
)

RENDERABLE_TYPE mask bits

View Source 
const (
	// CONFIG_CAVEAT values
	SLOW_CONFIG = 0x3050 + iota
	NON_CONFORMANT_CONFIG

	// TRANSPARENT_TYPE value
	TRANSPARENT_RGB
	/* QueryString targets */
	VENDOR
	VERSION
	EXTENSIONS

	/* QuerySurface & SurfaceAttrib & CreatePbufferSurface targets */
	HEIGHT
	WIDTH
	LARGEST_PBUFFER

	/* GetCurrentSurface targets */
	DRAW
	READ

	/* WaitNative engines */
	CORE_NATIVE_ENGINE

	/* Config attribute values for EGL_TEXTURE_FORMAT*/
	NO_TEXTURE
	TEXTURE_RGB
	TEXTURE_RGBA
	TEXTURE_2D
)
View Source 
const (

	// more QuerySurface & SurfaceAttrib & CreatePbufferSurface targets
	TEXTURE_FORMAT = 0x3080 + iota
	TEXTURE_TARGET
	MIPMAP_TEXTURE
	MIPMAP_LEVEL

	/* BindTexImage & ReleaseTexImage buffer targets */
	BACK_BUFFER
	SINGLE_BUFFER
	RENDER_BUFFER

	/* OpenVG color spaces and alpha formats */
	VG_COLORSPACE
	VG_ALPHA_FORMAT
	VG_COLORSPACE_sRGB
	VG_COLORSPACE_LINEAR
	VG_ALPHA_FORMAT_NONPRE
	VG_ALPHA_FORMAT_PRE

	/* QueryString target */
	CLIENT_APIS

	/* Config attribute values */
	RGB_BUFFER
	LUMINANCE_BUFFER

	HORIZONTAL_RESOLUTION
	VERTICAL_RESOLUTION
	PIXEL_ASPECT_RATIO
	SWAP_BEHAVIOR

	/* Back buffer swap behaviors */
	BUFFER_PRESERVED
	BUFFER_DESTROYED

	/* CreatePbufferFromClientBuffer buffer types */
	OPENVG_IMAGE

	/* QueryContext targets */
	CONTEXT_CLIENT_TYPE

	/* CreateContext attributes */
	CONTEXT_CLIENT_VERSION

	MULTISAMPLE_RESOLVE

	/* Multisample resolution behaviors */
	MULTISAMPLE_RESOLVE_DEFAULT
	MULTISAMPLE_RESOLVE_BOX

	/* BindAPI & QueryAPI targets */
	OPENGL_ES_API
	OPENVG_API
	OPENGL_API
)
View Source 
const (
	COLORSPACE          = VG_COLORSPACE
	ALPHA_FORMAT        = VG_ALPHA_FORMAT
	COLORSPACE_sRGB     = VG_COLORSPACE_sRGB
	COLORSPACE_LINEAR   = VG_COLORSPACE_LINEAR
	ALPHA_FORMAT_NONPRE = VG_ALPHA_FORMAT_NONPRE
	ALPHA_FORMAT_PRE    = VG_ALPHA_FORMAT_PRE
)

EGL 1.2 tokens renamed for consistency in EGL 1.3

View Source 
const (
	CONTEXT_MAJOR_VERSION = 0x3098
	CONTEXT_MINOR_VERSION = 0x30fb
)

Variables

View Source 
var (
	DEFAULT_DISPLAY NativeDisplay
	NO_CONTEXT      Context
	NO_DISPLAY      Display
	NO_SURFACE      Surface
)
View Source 
var Version struct{ Maj, Min EGLint }

Functions

func BindAPI 

func BindAPI(api uint) bool

func BindTexImage 

func BindTexImage(d Display, s Surface, buf int) bool

func ChooseConfig 

func ChooseConfig(d Display, atrribs []EGLint, confs []Config) int

func CopyBuffers 

func CopyBuffers(d Display, s Surface, target NativePixmap) bool

func DestroyContext 

func DestroyContext(d Display, c Context) bool

func DestroySurface 

func DestroySurface(d Display, s Surface) bool

func GetConfigAttrib 

func GetConfigAttrib(d Display, conf Config, attr int) (int, bool)

func GetConfigs 

func GetConfigs(d Display, confs []Config) int

func Initialize 

func Initialize(d Display) bool

func MakeCurrent 

func MakeCurrent(d Display, draw Surface, read Surface, c Context) bool

func QueryAPI 

func QueryAPI() uint

func QueryContext 

func QueryContext(d Display, c Context, attr int, val []EGLint) bool

func QueryString 

func QueryString(d Display, name int) string

func ReleaseTexImage 

func ReleaseTexImage(d Display, s Surface, buf int) bool

func ReleaseThread 

func ReleaseThread() bool

func SurfaceAttrib 

func SurfaceAttrib(d Display, s Surface, attr int, val int) bool

func SwapBuffers 

func SwapBuffers(d Display, s Surface) bool

func SwapInterval 

func SwapInterval(d Display, inv int) bool

func Terminate 

func Terminate(d Display) bool

func WaitClient 

func WaitClient() bool

func WaitGL 

func WaitGL() bool

func WaitNative 

func WaitNative(engine int) bool

Types

type ClientBuffer 

type ClientBuffer unsafe.Pointer

type Config 

type Config unsafe.Pointer

type Context 

type Context unsafe.Pointer

func CreateContext 

func CreateContext(d Display, conf Config, shared Context, attribs []EGLint) Context

type Display 

type Display unsafe.Pointer

func GetCurrentDisplay 

func GetCurrentDisplay() Display

func GetDisplay 

func GetDisplay(d NativeDisplay) Display

type EGLContext 

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

func CreateEGLContext 

func CreateEGLContext(native NativeObj) *EGLContext

func CreateEGLContextEx 

func CreateEGLContextEx(native NativeObj, depthSize, esVersion int) *EGLContext

func NewContext 

func NewContext(window NativeWindow, ndisplay NativeDisplay) *EGLContext

depthSize : 16, 24 * esVersion : 2 (es2), 3 (es3)

func NewContextEx 

func NewContextEx(window NativeWindow, ndisplay NativeDisplay, depthSize, esVersion, minor int) *EGLContext

func (*EGLContext) GetFormat 

func (ctx *EGLContext) GetFormat() int

func (*EGLContext) InitEGLContext 

func (ctx *EGLContext) InitEGLContext() bool

func (*EGLContext) InitEGLSurface 

func (ctx *EGLContext) InitEGLSurface() bool

func (*EGLContext) InitEGLSurfaceX 

func (ctx *EGLContext) InitEGLSurfaceX() bool

func (*EGLContext) InitEGLSurface_XX 

func (ctx *EGLContext) InitEGLSurface_XX() bool

auto match

func (*EGLContext) IsReady 

func (ctx *EGLContext) IsReady() bool

func (*EGLContext) ReinitEGLContext 

func (ctx *EGLContext) ReinitEGLContext() bool

func (*EGLContext) Resume 

func (ctx *EGLContext) Resume() bool

func (*EGLContext) Suspend 

func (ctx *EGLContext) Suspend()

func (*EGLContext) SwapBuffers 

func (ctx *EGLContext) SwapBuffers() bool

func (*EGLContext) Terminate 

func (ctx *EGLContext) Terminate()

type EGLint 

type EGLint C.EGLint

func QuerySurface 

func QuerySurface(d Display, s Surface, attr int) (EGLint, bool)

type Error 

type Error int

func GetError 

func GetError() Error

func (Error) Error 

func (e Error) Error() string

type NativeDisplay 

type NativeDisplay unsafe.Pointer

type NativeObj 

type NativeObj interface {
	NativeDisplay() unsafe.Pointer
	NativeWindow() unsafe.Pointer
	SetBuffersGeometry(int) int
	WindowSize() (w, h int)
}

type NativePixmap 

type NativePixmap unsafe.Pointer

type NativeWindow 

type NativeWindow unsafe.Pointer

type Surface 

type Surface unsafe.Pointer

func CreatePbufferFromClientBuffer 

func CreatePbufferFromClientBuffer(
	d Display, buftyp uint, conf Config, buf ClientBuffer, attribs []EGLint) Surface

func CreatePbufferSurface 

func CreatePbufferSurface(d Display, conf Config, attribs []EGLint) Surface

func CreatePixmapSurface 

func CreatePixmapSurface(d Display, conf Config, pixmap NativePixmap, attribs []EGLint) Surface

func CreateWindowSurface 

func CreateWindowSurface(d Display, conf Config, win NativeWindow, attribs []EGLint) Surface

func GetCurrentSurface 

func GetCurrentSurface(readdraw int) Surface

type Window 

type Window unsafe.Pointer

Source Files

View all Source files

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