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Golang Context.GetUniformLocation方法代码示例

本文整理汇总了Golang中golang.org/x/mobile/gl.Context.GetUniformLocation方法的典型用法代码示例。如果您正苦于以下问题：Golang Context.GetUniformLocation方法的具体用法？Golang Context.GetUniformLocation怎么用？Golang Context.GetUniformLocation使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类golang.org/x/mobile/gl.Context的用法示例。


在下文中一共展示了Context.GetUniformLocation方法的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: onStart

func onStart(glctx gl.Context) {
	var err error
	program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		log.Printf("[ERR] Failed creating GL program: %v", err)
		return
	}

	buf = glctx.CreateBuffer()
	glctx.BindBuffer(gl.ARRAY_BUFFER, buf)
	glctx.BufferData(gl.ARRAY_BUFFER, triangleData, gl.STATIC_DRAW)

	position = glctx.GetAttribLocation(program, "position")
	color = glctx.GetUniformLocation(program, "color")
	offset = glctx.GetUniformLocation(program, "offset")

	images = glutil.NewImages(glctx)
	fps = debug.NewFPS(images)

	statusFont, statusFace, err = exfont.LoadAsset("Tuffy.ttf", statusFaceOpt)
	if err != nil {
		log.Printf("[ERR] Failed to load status font: %v", err)
	}
	statusPainter = rexdemo.NewStatusPainter(demo, statusFont, _color.White, images)
}
开发者ID:bmatsuo，项目名称:rex，代码行数:25，代码来源:main.go

示例2: onStart

func onStart(glctx gl.Context) {
	var err error
	program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		log.Printf("[ERR] Failed creating GL program: %v", err)
		return
	}

	buf = glctx.CreateBuffer()
	glctx.BindBuffer(gl.ARRAY_BUFFER, buf)
	glctx.BufferData(gl.ARRAY_BUFFER, triangleData, gl.STATIC_DRAW)

	position = glctx.GetAttribLocation(program, "position")
	color = glctx.GetUniformLocation(program, "color")
	offset = glctx.GetUniformLocation(program, "offset")

	images = glutil.NewImages(glctx)
	fps = debug.NewFPS(images)

	statusFont, statusFace, err = exfont.LoadAsset("Tuffy.ttf", statusFaceOpt)
	if err != nil {
		log.Printf("[ERR] Failed to load status font: %v", err)
	}
	statusPainter = rexdemo.NewStatusPainter(demo, statusFont, statusBG, images)

	ifaces, err := net.Interfaces()
	if err != nil {
		log.Printf("[ERR] Failed to retreived interfaces")
	} else {
		log.Printf("[DEBUG] %d network interfaces", len(ifaces))
		for _, iface := range ifaces {
			log.Printf("[DEBUG] IFACE %d %s", iface.Index, iface.Name)
		}
	}
}
开发者ID:gophergala2016，项目名称:rex，代码行数:35，代码来源:main.go

示例3: NewWaveform

// TODO just how many samples do we want/need to display something useful?
func NewWaveform(ctx gl.Context, n int, in Sound) (*Waveform, error) {
	wf := &Waveform{Sound: in}

	wf.outs = make([][]float64, n)
	for i := range wf.outs {
		wf.outs[i] = make([]float64, in.BufferLen()*in.Channels())
	}
	wf.samples = make([]float64, in.BufferLen()*in.Channels()*n)
	// wf.aligned = make([]float64, in.BufferLen()*in.Channels()*n)

	wf.verts = make([]float32, len(wf.samples)*3)
	wf.data = make([]byte, len(wf.verts)*4)

	if ctx == nil {
		return wf, nil
	}

	var err error
	wf.program, err = glutil.CreateProgram(ctx, vertexShader, fragmentShader)
	if err != nil {
		return nil, fmt.Errorf("error creating GL program: %v", err)
	}

	// create and alloc hw buf
	wf.buf = ctx.CreateBuffer()
	ctx.BindBuffer(gl.ARRAY_BUFFER, wf.buf)
	ctx.BufferData(gl.ARRAY_BUFFER, make([]byte, len(wf.samples)*12), gl.STREAM_DRAW)

	wf.position = ctx.GetAttribLocation(wf.program, "position")
	wf.color = ctx.GetUniformLocation(wf.program, "color")
	return wf, nil
}
开发者ID:rakyll，项目名称:GCSolutions，代码行数:33，代码来源:waveform.go

示例4: NewImages

// NewImages creates an *Images.
func NewImages(glctx gl.Context) *Images {
	program, err := CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		panic(err)
	}

	p := &Images{
		glctx:         glctx,
		quadXY:        glctx.CreateBuffer(),
		quadUV:        glctx.CreateBuffer(),
		program:       program,
		pos:           glctx.GetAttribLocation(program, "pos"),
		mvp:           glctx.GetUniformLocation(program, "mvp"),
		uvp:           glctx.GetUniformLocation(program, "uvp"),
		inUV:          glctx.GetAttribLocation(program, "inUV"),
		textureSample: glctx.GetUniformLocation(program, "textureSample"),
	}

	glctx.BindBuffer(gl.ARRAY_BUFFER, p.quadXY)
	glctx.BufferData(gl.ARRAY_BUFFER, quadXYCoords, gl.STATIC_DRAW)
	glctx.BindBuffer(gl.ARRAY_BUFFER, p.quadUV)
	glctx.BufferData(gl.ARRAY_BUFFER, quadUVCoords, gl.STATIC_DRAW)

	return p
}
开发者ID:2722，项目名称:lantern，代码行数:26，代码来源:glimage.go

示例5: NewButton

func NewButton(ctx gl.Context, x, y float32, w, h float32) *Button {
	btn := &Button{r: 1, g: 1, b: 1, a: 1}

	btn.x = (-(-1 - x)) / 2
	btn.y = (1 - y) / 2
	btn.w, btn.h = (w)/2, (-h)/2

	btn.verts = []float32{
		x, y, 0,
		x + w, y, 0,
		x, y + h, 0,
		x, y + h, 0,
		x + w, y, 0,
		x + w, y + h, 0,
	}

	btn.data = make([]byte, len(btn.verts)*4)

	var err error
	btn.program, err = glutil.CreateProgram(ctx, vertexShader, fragmentShader)
	if err != nil {
		panic(fmt.Errorf("error creating GL program: %v", err))
	}

	// create and alloc hw buf
	btn.buf = ctx.CreateBuffer()
	ctx.BindBuffer(gl.ARRAY_BUFFER, btn.buf)
	ctx.BufferData(gl.ARRAY_BUFFER, make([]byte, len(btn.verts)*4), gl.STATIC_DRAW)

	btn.position = ctx.GetAttribLocation(btn.program, "position")
	btn.color = ctx.GetUniformLocation(btn.program, "color")
	return btn
}
开发者ID:rakyll，项目名称:GCSolutions，代码行数:33，代码来源:waveform.go

示例6: onStart

func onStart(glctx gl.Context) {
	var err error
	frameData.Program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		log.Printf("error creating GL program: %v", err)
		return
	}

	frameData.Position = glctx.GetAttribLocation(frameData.Program, "position")
	frameData.Color = glctx.GetUniformLocation(frameData.Program, "color")
	frameData.Offset = glctx.GetUniformLocation(frameData.Program, "offset")
	manager = layers.NewLayerManager(glctx)
	manager.StartLayers()

}
开发者ID:rakyll，项目名称:GCSolutions，代码行数:15，代码来源:main.go

示例7: onStart

func onStart(glctx gl.Context) {
	var err error
	program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		log.Printf("error creating GL program: %v", err)
		return
	}
	buf = glctx.CreateBuffer()
	glctx.BindBuffer(gl.ARRAY_BUFFER, buf)
	glctx.BufferData(gl.ARRAY_BUFFER, triangleData, gl.STATIC_DRAW)
	position = glctx.GetAttribLocation(program, "position")
	color = glctx.GetUniformLocation(program, "color")
	offset = glctx.GetUniformLocation(program, "offset")
	images = glutil.NewImages(glctx)
	fps = debug.NewFPS(images)
}
开发者ID:lomoalbert，项目名称:gomobileapp，代码行数:16，代码来源:main.go

示例8: NewGL

// NewGL returns a GL. ctx can be nil and the returned value can be nil, which
// is okay, a nil *GL functions correctly and doesn't crash.
func NewGL(ctx gl.Context) (*GL, error) {
	if ctx == nil {
		return nil, nil
	}
	program, err := glutil.CreateProgram(ctx, vertexShader, fragmentShader)
	if err != nil {
		return nil, err
	}
	g := &GL{
		ctx:      ctx,
		program:  program,
		buf:      ctx.CreateBuffer(),
		position: ctx.GetAttribLocation(program, "position"),
		color:    ctx.GetUniformLocation(program, "color"),
		offset:   ctx.GetUniformLocation(program, "offset"),
	}
	return g, nil
}
开发者ID:asimshankar，项目名称:triangles，代码行数:20，代码来源:gl.go

示例9: onStart

func onStart(glctx gl.Context) {
	var err error
	program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		log.Printf("error creating GL program: %v", err)
		return
	}

	triangleData = genCircleTriangles(0.0, 0.0, 0.5)

	buf = glctx.CreateBuffer()

	position = glctx.GetAttribLocation(program, "position")
	color = glctx.GetUniformLocation(program, "color")
	offset = glctx.GetUniformLocation(program, "offset")

	images = glutil.NewImages(glctx)
	fps = debug.NewFPS(images)
}
开发者ID:richiebful，项目名称:ptime，代码行数:19，代码来源:.main.go

示例10: appStart

func appStart(glctx gl.Context) {
	println("Starting")
	program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		panic("error creating GL program: " + err.Error())
		return
	}

	buf = glctx.CreateBuffer()
	glctx.BindBuffer(gl.ARRAY_BUFFER, buf)
	glctx.BufferData(gl.ARRAY_BUFFER, triangleData, gl.STATIC_DRAW)

	position = glctx.GetAttribLocation(program, "position")
	color = glctx.GetUniformLocation(program, "color")
	offset = glctx.GetUniformLocation(program, "offset")
	images = glutil.NewImages(glctx)
	fps = debug.NewFPS(images)

	SetScene(currentScene.Name)
}
开发者ID:pyros2097，项目名称:spike，代码行数:20，代码来源:spike.go

示例11: onStart

func onStart(glctx gl.Context, sz size.Event) {
	log.Printf("creating GL program")
	var err error
	keystate = map[touch.Sequence]int{}
	program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		log.Printf("error creating GL program: %v", err)
		return
	}

	glctx.Enable(gl.DEPTH_TEST)

	position = glctx.GetAttribLocation(program, "position")
	texCordIn = glctx.GetAttribLocation(program, "texCordIn")
	color = glctx.GetUniformLocation(program, "color")
	drawi = glctx.GetUniformLocation(program, "drawi")
	projection = glctx.GetUniformLocation(program, "projection")
	camera = glctx.GetUniformLocation(program, "camera")

	loadTexture(glctx)
	glctx.UseProgram(program)

	projectionMat := mgl32.Perspective(mgl32.DegToRad(75.0), float32(1), 0.5, 40.0)
	glctx.UniformMatrix4fv(projection, projectionMat[:])

	cameraMat := mgl32.LookAtV(mgl32.Vec3{0.5, 0, 1.5}, mgl32.Vec3{0, 0, 0}, mgl32.Vec3{0, 1, 0})
	glctx.UniformMatrix4fv(camera, cameraMat[:])

	board = NewBoard(glctx, float32(0.05), 10)

	numKeys := len(board.bigKeys) + len(board.smallKeys)

	InitializeSound(numKeys)
}
开发者ID:rakyll，项目名称:GCSolutions，代码行数:34，代码来源:main.go

示例12: Uniform

func (prg Program) Uniform(ctx gl.Context, name string) gl.Uniform {
	return ctx.GetUniformLocation(prg.Program, name)
}
开发者ID:dskinner，项目名称:material，代码行数:3，代码来源:gl.go

示例13: onStart

func onStart(glctx gl.Context) {
	var err error
	program, err = glutil.CreateProgram(glctx, vertexShader, fragmentShader)
	if err != nil {
		log.Printf("error creating GL program: %v", err)
		return
	}

	glctx.Enable(gl.DEPTH_TEST)

	triBuf = glctx.CreateBuffer()
	glctx.BindBuffer(gl.ARRAY_BUFFER, triBuf)
	glctx.BufferData(gl.ARRAY_BUFFER, triangleData, gl.STATIC_DRAW)

	position = glctx.GetAttribLocation(program, "vPos")
	color = glctx.GetAttribLocation(program, "vCol")
	normals = glctx.GetAttribLocation(program, "vNorm")

	projection = glctx.GetUniformLocation(program, "proj")
	view = glctx.GetUniformLocation(program, "view")
	model = glctx.GetUniformLocation(program, "model")
	tint = glctx.GetUniformLocation(program, "tint")
	normalMatrix = glctx.GetUniformLocation(program, "normalMatrix")
	lightIntensity = glctx.GetUniformLocation(program, "light.intensities")
	lightPos = glctx.GetUniformLocation(program, "light.position")

	arcball = NewArcBall(mgl32.Vec3{0, 0, 0}, mgl32.Vec3{0, 10, 10}, mgl32.Vec3{0, 1, 0})

	white = mgl32.Vec4{1.0, 1.0, 1.0, 1.0}
	red = mgl32.Vec4{1.0, 0.0, 0.0, 1.0}

	lastUpdate = time.Now()

	images = glutil.NewImages(glctx)
	fps = debug.NewFPS(images)

	err = al.OpenDevice()
	if err != nil {
		log.Printf("Err: %+v", err)
	}
	al.SetListenerPosition(al.Vector{0, 0, 0})
	al.SetListenerGain(1.0)
	piano = NewPiano()
}
开发者ID:rakyll，项目名称:GCSolutions，代码行数:44，代码来源:main.go


注：本文中的golang.org/x/mobile/gl.Context.GetUniformLocation方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。