Golang gl.GetError函数代码示例

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本文整理汇总了Golang中github.com/go-gl/gl/v3/3-core/gl.GetError函数的典型用法代码示例。如果您正苦于以下问题：Golang GetError函数的具体用法？Golang GetError怎么用？Golang GetError使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了GetError函数的20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，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: createVAO

func (p *Program) createVAO() error {
	gl.GenVertexArrays(1, &p.vao)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR gl.GenVertexArray %X", e)
	}
	gl.BindVertexArray(p.vao)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR array.Bind %X", e)
	}
	return nil
}

开发者ID:kurrik，项目名称:opengl-benchmarks，代码行数:11，代码来源:program.go

示例2: CreateVAO

func CreateVAO() (array uint32, err error) {
	gl.GenVertexArrays(1, &array)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR gl.GenVertexArray %X", e)
		return
	}
	gl.BindVertexArray(array)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR array.Bind %X", e)
		return
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:13，代码来源:renderer.go

示例3: Unbind

func (tr *TextRenderer) Unbind() error {
	gl.BindBuffer(gl.ARRAY_BUFFER, 0)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	return nil
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:7，代码来源:renderer_text.go

示例4: RunVisualization

// Runs the visualization with a set of DelayedNoteData. The DelayedNote data is
// used to push information to the synth as well as represent the data visually.
func RunVisualization(notes *synth.NoteArrangement, oNoteChannel chan synth.DelayedNoteData) error {
	window, assets, err := initialize()
	if err != nil {
		return err
	}
	defer destroy(window, assets)

	// The main update loop.
	ct, lt, dt := 0.0, 0.0, 0.0
	for !window.ShouldClose() {
		// Keeping the current time.
		lt = ct
		ct = glfw.GetTime()
		dt = ct - lt

		// Real render loop.
		gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

		if config.DebugMode {
			glErr := gl.GetError()
			if glErr != gl.NO_ERROR {
				fmt.Printf("OpenGL error: %d\n", glErr)
			}
		}

		window.SwapBuffers()
		glfw.PollEvents()

		if dt < 1/1000.0 {
			// Delay the thread to keep up w/ updating?
		}
	}

	return nil
}

开发者ID:crockeo，项目名称:go-tuner，代码行数:37，代码来源:main.go

示例5: Draw

func (lr *LinesRenderer) Draw(line *LineGeometry, mv mgl32.Mat4, style *LineStyle) (err error) {
	var (
		dataBytes    int   = len(line.Vertices) * int(lr.stride)
		indexBytes   int   = len(line.Indices) * int(lr.stride)
		elementCount int32 = int32(len(line.Indices))
		r, g, b, a         = style.Color.RGBA()
	)
	gl.Uniform1f(lr.thicknessLoc, style.Thickness)
	gl.Uniform1f(lr.innerLoc, style.Inner)
	gl.Uniform4f(lr.colorLoc, float32(r)/255.0, float32(g)/255.0, float32(b)/255.0, float32(a)/255.0)
	gl.UniformMatrix4fv(lr.modelviewLoc, 1, false, &mv[0])
	if dataBytes > lr.bufferBytes {
		lr.bufferBytes = dataBytes
		gl.BufferData(gl.ARRAY_BUFFER, dataBytes, gl.Ptr(line.Vertices), gl.STREAM_DRAW)
		gl.BufferData(gl.ELEMENT_ARRAY_BUFFER, indexBytes, gl.Ptr(line.Indices), gl.STREAM_DRAW)
	} else {
		gl.BufferSubData(gl.ARRAY_BUFFER, 0, dataBytes, gl.Ptr(line.Vertices))
		gl.BufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, indexBytes, gl.Ptr(line.Indices))
	}
	gl.DrawElements(gl.TRIANGLES, elementCount, gl.UNSIGNED_INT, gl.PtrOffset(0))
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:25，代码来源:renderer_lines.go

示例6: NewRenderer

func NewRenderer(bufferSize int) (r *Renderer, err error) {
	var (
		instance       renderInstance
		instanceStride = unsafe.Sizeof(instance)
	)
	r = &Renderer{
		shader:     core.NewProgram(),
		bufferSize: bufferSize,
		buffer:     make([]renderInstance, bufferSize),
		stride:     instanceStride,
	}
	if err = r.shader.Load(VERTEX, FRAGMENT); err != nil {
		return
	}
	r.shader.Bind()

	r.vbo = core.NewArrayBuffer()

	r.shader.Attrib("f_InstanceFrame", instanceStride).Float(unsafe.Offsetof(instance.frame), 1)
	r.shader.Attrib("m_Model", instanceStride).Mat4(unsafe.Offsetof(instance.model), 1)
	r.shader.Attrib("v_Color", instanceStride).Vec4(unsafe.Offsetof(instance.color), 1)

	r.textureData = r.shader.UniformBlock("TextureData", 1)

	r.uView = r.shader.Uniform("m_View")
	r.uProj = r.shader.Uniform("m_Projection")

	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:kurrik，项目名称:opengl-benchmarks，代码行数:32，代码来源:renderer.go

示例7: NewLinesRenderer

func NewLinesRenderer(camera *Camera) (lr *LinesRenderer, err error) {
	var (
		program uint32
		vbos    = make([]uint32, 2)
		point   TexturedPoint
	)
	if program, err = BuildProgram(LINES_VERTEX, LINES_FRAGMENT); err != nil {
		return
	}
	gl.GenBuffers(2, &vbos[0])
	lr = &LinesRenderer{
		Renderer:      NewRenderer(camera),
		program:       program,
		buffer:        vbos[0],
		indexBuffer:   vbos[1],
		bufferBytes:   0,
		positionLoc:   uint32(gl.GetAttribLocation(program, gl.Str("v_Position\x00"))),
		normalLoc:     uint32(gl.GetAttribLocation(program, gl.Str("v_Normal\x00"))),
		miterLoc:      uint32(gl.GetAttribLocation(program, gl.Str("f_Miter\x00"))),
		modelviewLoc:  gl.GetUniformLocation(program, gl.Str("m_ModelView\x00")),
		projectionLoc: gl.GetUniformLocation(program, gl.Str("m_Projection\x00")),
		thicknessLoc:  gl.GetUniformLocation(program, gl.Str("f_Thickness\x00")),
		colorLoc:      gl.GetUniformLocation(program, gl.Str("v_Color\x00")),
		innerLoc:      gl.GetUniformLocation(program, gl.Str("f_Inner\x00")),
		offPosition:   gl.PtrOffset(int(unsafe.Offsetof(point.X))),
		offNormal:     gl.PtrOffset(int(unsafe.Offsetof(point.TextureX))),
		offMiter:      gl.PtrOffset(int(unsafe.Offsetof(point.Z))),
		stride:        int32(unsafe.Sizeof(point)),
	}
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:34，代码来源:renderer_lines.go

示例8: Unbind

func (lr *LinesRenderer) Unbind() (err error) {
	gl.BindBuffer(gl.ARRAY_BUFFER, 0)
	gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, 0)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:8，代码来源:renderer_lines.go

示例9: Delete

func (lr *LinesRenderer) Delete() (err error) {
	gl.BindBuffer(gl.ARRAY_BUFFER, 0)
	gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, 0)
	gl.DeleteBuffers(1, &lr.buffer)
	gl.DeleteBuffers(1, &lr.indexBuffer)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:10，代码来源:renderer_lines.go

示例10: draw

func (r *Renderer) draw(geometry *Geometry, count int) (err error) {
	if count <= 0 {
		return
	}
	r.vbo.Upload(r.buffer, count*int(r.stride))
	gl.DrawArraysInstanced(gl.TRIANGLES, 0, int32(len(geometry.Points)), int32(count))
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:kurrik，项目名称:opengl-benchmarks，代码行数:11，代码来源:renderer.go

示例11: Draw

func (tr *TextRenderer) Draw(tex *Texture, x, y, scale float32) (err error) {
	gl.ActiveTexture(gl.TEXTURE0)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.BindTexture(gl.TEXTURE_2D, tex.Texture)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.Uniform3f(tr.ScaleLoc, float32(tex.Width)*scale, float32(tex.Height)*scale, 1)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.Uniform3f(tr.TransLoc, x, y, 0)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.DrawArrays(gl.TRIANGLE_STRIP, 0, 4)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.BindBuffer(gl.ARRAY_BUFFER, 0)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	return nil
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:27，代码来源:renderer_text.go

示例12: Bind

func (tr *TextRenderer) Bind() error {
	gl.UseProgram(tr.Program)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.Uniform1i(tr.TextureUnitLoc, 0)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.BindBuffer(gl.ARRAY_BUFFER, tr.VBO)
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.EnableVertexAttribArray(tr.PositionLoc)
	gl.VertexAttribPointer(tr.PositionLoc, 3, gl.FLOAT, false, 5*4, gl.PtrOffset(0))
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.EnableVertexAttribArray(tr.TextureLoc)
	gl.VertexAttribPointer(tr.TextureLoc, 2, gl.FLOAT, false, 5*4, gl.PtrOffset(3*4))
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	gl.UniformMatrix4fv(tr.ProjectionLoc, 1, false, &tr.Renderer.Camera.Projection[0])
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("ERROR: %X", e)
	}
	return nil
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:29，代码来源:renderer_text.go

示例13: CreateVBO

func CreateVBO(size int, data interface{}, usage uint32) (buffer uint32, err error) {
	gl.GenBuffers(1, &buffer)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR gl.GenBuffer %X", e)
		return
	}
	gl.BindBuffer(gl.ARRAY_BUFFER, buffer)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR buffer.Bind %X", e)
		return
	}
	gl.BufferData(gl.ARRAY_BUFFER, size, gl.Ptr(data), usage)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR gl.BufferData %X", e)
		return
	}
	gl.BindBuffer(gl.ARRAY_BUFFER, 0)
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR buffer.Unbind %X", e)
		return
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:23，代码来源:renderer.go

示例14: Bind

func (lr *LinesRenderer) Bind() (err error) {
	gl.UseProgram(lr.program)
	gl.BindBuffer(gl.ARRAY_BUFFER, lr.buffer)
	gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, lr.indexBuffer)
	gl.EnableVertexAttribArray(lr.positionLoc)
	gl.EnableVertexAttribArray(lr.normalLoc)
	gl.EnableVertexAttribArray(lr.miterLoc)
	gl.VertexAttribPointer(lr.positionLoc, 2, gl.FLOAT, false, lr.stride, lr.offPosition)
	gl.VertexAttribPointer(lr.normalLoc, 2, gl.FLOAT, false, lr.stride, lr.offNormal)
	gl.VertexAttribPointer(lr.miterLoc, 1, gl.FLOAT, false, lr.stride, lr.offMiter)
	gl.UniformMatrix4fv(lr.projectionLoc, 1, false, &lr.Renderer.Camera.Projection[0])
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:16，代码来源:renderer_lines.go

示例15: ForceCheck

func ForceCheck() {
	switch gl.GetError() {
	case gl.INVALID_ENUM:
		tlog.Panic("OpenGL Error: GL_INVALID_ENUM")
	case gl.INVALID_VALUE:
		tlog.Panic("OpenGL Error: GL_INVALID_VALUE")
	case gl.INVALID_OPERATION:
		tlog.Panic("OpenGL Error: GL_INVALID_OPERATION")
	case gl.STACK_OVERFLOW:
		tlog.Panic("OpenGL Error: GL_STACK_OVERFLOW")
	case gl.STACK_UNDERFLOW:
		tlog.Panic("OpenGL Error: GL_STACK_UNDERFLOW")
	case gl.OUT_OF_MEMORY:
		tlog.Panic("OpenGL Error: GL_OUT_OF_MEMORY")
	}
}

开发者ID:hialin，项目名称:hialin，代码行数:16，代码来源:setup.go

示例16: GetGLTexture

func GetGLTexture(img image.Image, smoothing TextureSmoothing) (t uint32, err error) {
	var (
		data   *bytes.Buffer
		bounds image.Rectangle
		width  int
		height int
	)
	if data, err = imageBytes(img); err != nil {
		return
	}
	bounds = img.Bounds()
	width = bounds.Max.X - bounds.Min.X
	height = bounds.Max.Y - bounds.Min.Y
	gl.GenTextures(1, &t)
	if e := gl.GetError(); e != 0 {
		fmt.Printf("ggt1 ERROR: %s\n", e)
	}
	gl.BindTexture(gl.TEXTURE_2D, t)
	if e := gl.GetError(); e != 0 {
		fmt.Printf("ggt2 ERROR: %s\n", e)
	}
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, int32(smoothing))
	if e := gl.GetError(); e != 0 {
		fmt.Printf("ggt3 ERROR: %s\n", e)
	}
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, int32(smoothing))
	if e := gl.GetError(); e != 0 {
		fmt.Printf("ggt4 ERROR: %s\n", e)
	}
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(width), int32(height), 0, gl.RGBA, gl.UNSIGNED_INT_8_8_8_8, gl.Ptr(data.Bytes()))
	if e := gl.GetError(); e != 0 {
		fmt.Printf("ggt5 ERROR: %s\n", e)
	}
	gl.GenerateMipmap(gl.TEXTURE_2D)
	if e := gl.GetError(); e != 0 {
		fmt.Printf("ggt6 ERROR: %s\n", e)
	}
	gl.BindTexture(gl.TEXTURE_2D, 0)
	if e := gl.GetError(); e != 0 {
		fmt.Printf("ggt7 ERROR: %s\n", e)
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:43，代码来源:texture.go

示例17: NewBatchRenderer

func NewBatchRenderer(camera *Camera) (tr *BatchRenderer, err error) {
	var (
		program uint32
	)
	if program, err = BuildProgram(BATCH_VERTEX, BATCH_FRAGMENT); err != nil {
		return
	}
	tr = &BatchRenderer{
		Renderer:       NewRenderer(camera),
		Program:        program,
		PositionLoc:    uint32(gl.GetAttribLocation(program, gl.Str("a_Position\x00"))),
		TextureLoc:     uint32(gl.GetAttribLocation(program, gl.Str("a_TextureCoordinates\x00"))),
		TextureUnitLoc: gl.GetUniformLocation(program, gl.Str("u_TextureUnit\x00")),
		ModelViewLoc:   gl.GetUniformLocation(program, gl.Str("m_ModelViewMatrix\x00")),
		ProjectionLoc:  gl.GetUniformLocation(program, gl.Str("m_ProjectionMatrix\x00")),
		TexOffsetLoc:   gl.GetUniformLocation(program, gl.Str("u_TextureOffset\x00")),
	}
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR: OpenGL error %X", e)
	}
	return
}

开发者ID:pikkpoiss，项目名称:twodee，代码行数:22，代码来源:renderer_batch.go

示例18: CreateWindow

func (c *Context) CreateWindow(w, h int, name string) (err error) {
	c.w = w
	c.h = h
	c.name = name
	c.createWindow()
	c.SetCursor(c.cursor)
	gl.Init()
	if e := gl.GetError(); e != 0 {
		if e != gl.INVALID_ENUM {
			err = fmt.Errorf("OpenGL glInit error: %X\n", e)
			return
		}
	}
	c.OpenGLVersion = glfw.GetVersionString()
	c.ShaderVersion = gl.GoStr(gl.GetString(gl.SHADING_LANGUAGE_VERSION))
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.ClearColor(0.0, 0.0, 0.0, 1.0)
	gl.Disable(gl.CULL_FACE)
	glfw.SwapInterval(1)
	return
}

开发者ID:kurrik，项目名称:opengl-benchmarks，代码行数:22，代码来源:context.go

示例19: GetError

func (r *EffectsRenderer) GetError() error {
	if e := gl.GetError(); e != 0 {
		return fmt.Errorf("OpenGL error: %X", e)
	}
	var status = gl.CheckFramebufferStatus(gl.DRAW_FRAMEBUFFER)
	switch status {
	case gl.FRAMEBUFFER_COMPLETE:
		return nil
	case gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
		return fmt.Errorf("Attachment point unconnected")
	case gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
		return fmt.Errorf("Missing attachment")
	case gl.FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:
		return fmt.Errorf("Draw buffer")
	case gl.FRAMEBUFFER_INCOMPLETE_READ_BUFFER:
		return fmt.Errorf("Read buffer")
	case gl.FRAMEBUFFER_UNSUPPORTED:
		return fmt.Errorf("Unsupported config")
	default:
		return fmt.Errorf("Unknown framebuffer error: %X", status)
	}
}

开发者ID:pikkpoiss，项目名称:ld33，代码行数:22，代码来源:effects.go

示例20: linkProgram

func (p *Program) linkProgram(vertex uint32, fragment uint32) (program uint32, err error) {
	program = gl.CreateProgram()
	gl.AttachShader(program, vertex)
	gl.AttachShader(program, fragment)
	gl.BindFragDataLocation(program, 0, gl.Str("v_FragData\x00"))
	if e := gl.GetError(); e != 0 {
		err = fmt.Errorf("ERROR program.BindFragDataLocation %X", e)
		return
	}
	gl.LinkProgram(program)
	var status int32
	if gl.GetProgramiv(program, gl.LINK_STATUS, &status); status == gl.FALSE {
		var length int32
		gl.GetProgramiv(program, gl.INFO_LOG_LENGTH, &length)
		log := strings.Repeat("\x00", int(length+1))
		gl.GetProgramInfoLog(program, length, nil, gl.Str(log))
		err = fmt.Errorf("ERROR program link:\n%s", log)
	}
	gl.DeleteShader(vertex)
	gl.DeleteShader(fragment)
	return
}

开发者ID:kurrik，项目名称:opengl-benchmarks，代码行数:22，代码来源:program.go

注：本文中的github.com/go-gl/gl/v3/3-core/gl.GetError函数示例整理自Github/MSDocs等源码及文档管理平台，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。