Golang gl.Enable函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中github.com/go-gl/gl/v2/1/gl.Enable函数的典型用法代码示例。如果您正苦于以下问题：Golang Enable函数的具体用法？Golang Enable怎么用？Golang Enable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Enable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: PrintSegment

// Shouldn't have tabs nor newlines
func (o *OpenGlStream) PrintSegment(s string) {
	if s == "" {
		return
	}

	if o.BackgroundColor != nil && o.BorderColor == nil {
		gl.PushAttrib(gl.CURRENT_BIT)
		gl.Color3dv((*float64)(&o.BackgroundColor[0]))
		gl.PushMatrix()
		gl.Translated(float64(o.pos[0]), float64(o.pos[1]), 0)
		for range s {
			gl.CallList(oFontBackground)
		}
		gl.PopMatrix()
		gl.PopAttrib()
	}

	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_LOD_BIAS, float32(lodBias*0.01))

	gl.Enable(gl.BLEND)
	defer gl.Disable(gl.BLEND)
	gl.Enable(gl.TEXTURE_2D)
	defer gl.Disable(gl.TEXTURE_2D)

	gl.PushMatrix()
	gl.Translated(float64(o.pos[0]), float64(o.pos[1]), 0)
	gl.ListBase(oFontBase + uint32(o.FontOptions)*96)
	gl.CallLists(int32(len(s)), gl.UNSIGNED_BYTE, gl.Ptr(&[]byte(s)[0]))
	gl.PopMatrix()

	//CheckGLError()
}

开发者ID:rexposadas，项目名称:Conception-go，代码行数:33，代码来源:text.go

示例2: draw

// OpenGL draw function
func draw() {
	gl.Clear(gl.COLOR_BUFFER_BIT)
	gl.Enable(gl.BLEND)
	gl.Enable(gl.POINT_SMOOTH)
	gl.Enable(gl.LINE_SMOOTH)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.LoadIdentity()

	gl.Begin(gl.LINES)
	gl.Color3f(.2, .2, .2)
	for i := range staticLines {
		x := staticLines[i].GetAsSegment().A.X
		y := staticLines[i].GetAsSegment().A.Y
		gl.Vertex3f(float32(x), float32(y), 0)
		x = staticLines[i].GetAsSegment().B.X
		y = staticLines[i].GetAsSegment().B.Y
		gl.Vertex3f(float32(x), float32(y), 0)
	}
	gl.End()

	gl.Color4f(.3, .3, 1, .8)
	// draw balls
	for _, ball := range balls {
		gl.PushMatrix()
		pos := ball.Body.Position()
		rot := ball.Body.Angle() * chipmunk.DegreeConst
		gl.Translatef(float32(pos.X), float32(pos.Y), 0.0)
		gl.Rotatef(float32(rot), 0, 0, 1)
		drawCircle(float64(ballRadius), 60)
		gl.PopMatrix()
	}
}

开发者ID:TheZeroSlave，项目名称:chipmunk，代码行数:33，代码来源:bouncing_balls.go

示例3: draw

func draw() {
	gl.Clear(gl.COLOR_BUFFER_BIT)
	gl.Enable(gl.BLEND)
	gl.Enable(gl.POINT_SMOOTH)
	gl.Enable(gl.LINE_SMOOTH)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.LoadIdentity()

	//Transform screen to keep player in middle. Added intentation to make obvious the push matrix is like a block
	gl.PushMatrix()
	// gl.Translatef((1280/2)-float32(player.x), 0, 0.0)

	// gl.Begin(gl.LINES)
	// gl.Color3f(.2, .5, .2)
	// for i := range staticLines {
	// 	x := staticLines[i].GetAsSegment().A.X
	// 	y := staticLines[i].GetAsSegment().A.Y
	// 	gl.Vertex3f(float32(x), float32(y), 0)
	// 	x = staticLines[i].GetAsSegment().B.X
	// 	y = staticLines[i].GetAsSegment().B.Y
	// 	gl.Vertex3f(float32(x), float32(y), 0)
	// }
	// gl.End()

	gl.Color4f(player.color_r, player.color_g, player.color_b, player.color_a)

	//Draw Player
	gl.PushMatrix()
	rot := player.rot
	pos_x := player.x
	pos_y := player.y

	gl.Translatef(pos_x, pos_y, 0.0)
	gl.Rotatef(float32(rot), 0, 0, 1)
	drawCircle(float64(BALL_RADIUS), 20)
	gl.PopMatrix()

	//Draw the grapple
	gl.PushMatrix()
	gl.Translatef(player.hook.x_end, player.hook.y_end, 0.0)
	drawCircle(float64(5), 5)
	gl.PopMatrix()

	//Grapple Line
	gl.LineWidth(2.5)
	gl.Color3f(1.0, 0.0, 0.0)
	gl.Begin(gl.LINES)
	gl.Vertex3f(player.x, player.y, 0.0)
	gl.Vertex3f(player.hook.x_end, player.hook.y_end, 0)
	gl.End()

	//Second Pop
	gl.PopMatrix()
}

开发者ID:jhautefeuille，项目名称:hellochipmunk，代码行数:54，代码来源:glfwtest.go

示例4: main

func main() {
	runtime.LockOSThread()

	if err := glfw.Init(); err != nil {
		panic(err)
	}
	defer glfw.Terminate()

	window, err := glfw.CreateWindow(800, 600, "fontstash example", nil, nil)
	if err != nil {
		panic(err)
	}

	window.MakeContextCurrent()
	glfw.SwapInterval(1)
	gl.Init()

	data, err := ioutil.ReadFile(filepath.Join("..", "ClearSans-Regular.ttf"))
	if err != nil {
		panic(err)
	}

	gl.Enable(gl.TEXTURE_2D)

	tmpBitmap := make([]byte, 512*512)
	cdata, err, _, tmpBitmap := truetype.BakeFontBitmap(data, 0, 32, tmpBitmap, 512, 512, 32, 96)
	var ftex uint32
	gl.GenTextures(1, &ftex)
	gl.BindTexture(gl.TEXTURE_2D, ftex)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.ALPHA, 512, 512, 0,
		gl.ALPHA, gl.UNSIGNED_BYTE, unsafe.Pointer(&tmpBitmap[0]))

	gl.ClearColor(0.3, 0.3, 0.32, 1.)

	for !window.ShouldClose() {
		gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
		gl.MatrixMode(gl.PROJECTION)
		gl.LoadIdentity()
		gl.Ortho(0, 800, 600, 0, 0, 1)
		gl.MatrixMode(gl.MODELVIEW)
		gl.LoadIdentity()
		gl.Disable(gl.DEPTH_TEST)
		gl.Color4ub(255, 255, 255, 255)
		gl.Enable(gl.BLEND)
		gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

		my_print(100, 100, "The quick brown fox jumps over the fence", ftex, cdata)

		window.SwapBuffers()
		glfw.PollEvents()
	}
}

开发者ID:shibukawa，项目名称:fontstash.go，代码行数:54，代码来源:truetype.go

示例5: setModelViewOptions

func setModelViewOptions() {
	gl.Enable(gl.TEXTURE_2D)
	gl.Disable(gl.LIGHTING)
	gl.Disable(gl.DITHER)
	gl.Enable(gl.CULL_FACE)
	gl.CullFace(gl.FRONT)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.Enable(gl.BLEND)
	gl.Enable(gl.ALPHA_TEST)
	gl.DepthFunc(gl.LEQUAL)
	gl.Disable(gl.DEPTH_TEST)
}

开发者ID:fmd，项目名称:gogol，代码行数:12，代码来源:window.go

示例6: draw

// OpenGL draw function
func draw() {
	gl.Clear(gl.COLOR_BUFFER_BIT)
	gl.Enable(gl.BLEND)
	gl.Enable(gl.POINT_SMOOTH)
	gl.Enable(gl.LINE_SMOOTH)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	gl.LoadIdentity()

	player := game.Player

	//Transform screen.
	gl.PushMatrix()
	gl.Translatef((1280/2)-float32((player.Body.Position().X)), 0, 0.0)

	gl.Begin(gl.LINES)
	gl.Color3f(.2, .5, .2)
	for _, segment := range game.Level.GetChipmunkSegments() {
		x := segment.GetAsSegment().A.X
		y := segment.GetAsSegment().A.Y
		gl.Vertex3f(float32(x), float32(y), 0)
		x = segment.GetAsSegment().B.X
		y = segment.GetAsSegment().B.Y
		gl.Vertex3f(float32(x), float32(y), 0)
	}
	gl.End()

	gl.Color4f(.9, .1, 1, .9)
	// draw balls
	for _, enemy := range game.Enemies {
		gl.PushMatrix()
		pos := enemy.Body.Position()
		rot := enemy.Body.Angle() * game.DegreeConst
		gl.Translatef(float32(pos.X), float32(pos.Y), 0.0)
		gl.Rotatef(float32(rot), 0, 0, 1)
		drawCircle(float64(enemy.Radius), 60)
		gl.PopMatrix()
	}
	gl.Color4f(.3, .3, 1, .8)
	//Draw Player
	gl.PushMatrix()
	pos := player.Body.Position()
	rot := player.Body.Angle() * game.DegreeConst
	gl.Translatef(float32(pos.X), float32(pos.Y), 0.0)
	gl.Rotatef(float32(rot), 0, 0, 1)
	drawCircle(float64(player.Radius), 60)
	gl.PopMatrix()

	gl.PopMatrix()
}

开发者ID:jhautefeuille，项目名称:hellochipmunk，代码行数:50，代码来源:main.go

示例7: Draw

func (atlas *FontAtlas) Draw(text string, b Bounds) {
	atlas.LoadGlyphs(text)

	gl.Enable(gl.BLEND)
	defer gl.Disable(gl.BLEND)
	gl.BlendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA)

	gl.Enable(gl.TEXTURE_2D)
	defer gl.Disable(gl.TEXTURE_2D)
	gl.BindTexture(gl.TEXTURE_2D, atlas.Texture)

	x := b.Min.X + atlas.drawPadding
	y := (b.Max.Y+b.Min.Y)/2 + (ceilPxf(atlas.maxBounds.Min.Y)+ceilPxf(atlas.maxBounds.Max.Y))/2

	p := rune(0)
	for _, r := range text {
		glyph := atlas.Rendered[r]

		dx := float32(glyph.Loc.Dx())
		dy := float32(glyph.Loc.Dy())

		px := x + ceilPxf(glyph.Bounds.Min.X) - glyphPadding
		py := y + ceilPxf(glyph.Bounds.Min.Y) - glyphPadding

		// this is not the ideal way of positioning the letters
		// will create positioning artifacts
		// but it the result is more
		px = float32(math.Trunc(float64(px)))
		py = float32(math.Trunc(float64(py)))

		gl.Begin(gl.QUADS)
		{
			gl.TexCoord2f(glyph.RelLoc.Min.X, glyph.RelLoc.Min.Y)
			gl.Vertex2f(px, py)
			gl.TexCoord2f(glyph.RelLoc.Max.X, glyph.RelLoc.Min.Y)
			gl.Vertex2f(px+dx, py)
			gl.TexCoord2f(glyph.RelLoc.Max.X, glyph.RelLoc.Max.Y)
			gl.Vertex2f(px+dx, py+dy)
			gl.TexCoord2f(glyph.RelLoc.Min.X, glyph.RelLoc.Max.Y)
			gl.Vertex2f(px, py+dy)
		}
		gl.End()

		k := atlas.Face.Kern(p, r)
		p = r
		x += ceilPxf(glyph.Advance + k)
	}
}

开发者ID:egonelbre，项目名称:spector，代码行数:48，代码来源:fontatlas.go

示例8: DrawColoredAtXY

func (img *glImage) DrawColoredAtXY(x, y int, color [4]float32) {
	// TODO have the state knwon globally somewhere so this does not need to be
	// called all the time
	gl.Enable(gl.TEXTURE_2D)
	gl.BindTexture(gl.TEXTURE_2D, img.id)

	gl.Begin(gl.QUADS)

	gl.Color4f(color[0], color[1], color[2], color[3])
	gl.TexCoord2f(img.left, img.top)
	gl.Vertex2i(int32(x), int32(y))

	gl.Color4f(color[0], color[1], color[2], color[3])
	gl.TexCoord2f(img.right, img.top)
	gl.Vertex2i(int32(x+img.Width), int32(y))

	gl.Color4f(color[0], color[1], color[2], color[3])
	gl.TexCoord2f(img.right, img.bottom)
	gl.Vertex2i(int32(x+img.Width), int32(y+img.Height))

	gl.Color4f(color[0], color[1], color[2], color[3])
	gl.TexCoord2f(img.left, img.bottom)
	gl.Vertex2i(int32(x), int32(y+img.Height))

	gl.End()
}

开发者ID:gonutz，项目名称:settlers，代码行数:26，代码来源:gl_image.go

示例9: LataaKuvat

func LataaKuvat() {
	file, err := os.Open("tiles.png")
	if err != nil {
		panic("En saa avattua kuvatiedostoa: " + err.Error())
	}

	kuva, _, err := image.Decode(file)
	if err != nil {
		panic("Kuva on rikki: " + err.Error())
	}

	var texture uint32
	gl.GenTextures(1, &texture)

	gl.BindTexture(gl.TEXTURE_2D, texture)
	gl.TexImage2D(gl.TEXTURE_2D, 0, 4,
		int32(kuva.Bounds().Dx()), int32(kuva.Bounds().Dy()), 0,
		gl.RGBA, gl.UNSIGNED_BYTE,
		unsafe.Pointer(&kuva.(*image.RGBA).Pix[0]),
	)

	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)

	gl.Enable(gl.TEXTURE_2D)
}

开发者ID:joonazan，项目名称:go-opas，代码行数:26，代码来源:piirto.go

示例10: newChipset

func newChipset(file string, tilesize int) chipset {
	imgFile, err := os.Open(file)
	if err != nil {
		log.Fatalf("texture %q not found on disk: %v\n", file, err)
	}
	img, _, err := image.Decode(imgFile)
	if err != nil {
		panic(err)
	}

	rgba := image.NewRGBA(img.Bounds())
	draw.Draw(rgba, rgba.Bounds(), img, image.ZP, draw.Src)

	var texture uint32
	gl.Enable(gl.TEXTURE_2D)
	gl.GenTextures(1, &texture)
	gl.BindTexture(gl.TEXTURE_2D, texture)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
	gl.TexImage2D(
		gl.TEXTURE_2D,
		0, gl.RGBA,
		int32(rgba.Rect.Size().X),
		int32(rgba.Rect.Size().Y),
		0,
		gl.RGBA,
		gl.UNSIGNED_BYTE,
		gl.Ptr(rgba.Pix))

	return chipset{width: rgba.Bounds().Dx(), height: rgba.Bounds().Dy(), handle: texture, tilesize: tilesize}
}

开发者ID:manyminds，项目名称:tmx，代码行数:33，代码来源:opengl.go

示例11: drawHud

func (ctx *DrawContext) drawHud(o *orrery.Orrery, frametime time.Duration) {
	txt, size, err := ctx.createHudTexture(o, frametime)
	if err != nil {
		log.Fatalf(`can't create texture from text surface: %s`, err)
	}
	defer gl.DeleteTextures(1, &txt)

	gl.MatrixMode(gl.PROJECTION)
	gl.PushMatrix()
	gl.LoadIdentity()
	gl.Ortho(0.0, float64(ctx.width), float64(ctx.height), 0.0, -1.0, 1.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
	gl.Clear(gl.DEPTH_BUFFER_BIT)

	gl.BindTexture(gl.TEXTURE_2D, txt)
	gl.Enable(gl.TEXTURE_2D)
	defer gl.Disable(gl.TEXTURE_2D)

	gl.Color3f(1, 1, 1)
	gl.Begin(gl.QUADS)
	gl.TexCoord2f(0, 0)
	gl.Vertex2f(0.0, 0.0)
	gl.TexCoord2f(1, 0)
	gl.Vertex2f(float32(size[0]), 0.0)
	gl.TexCoord2f(1, 1)
	gl.Vertex2f(float32(size[0]), float32(size[1]))
	gl.TexCoord2f(0, 1)
	gl.Vertex2f(0.0, float32(size[1]))
	gl.End()

	gl.PopMatrix()
}

开发者ID:farhaven，项目名称:universe，代码行数:33，代码来源:drawing.go

示例12: init

func (c *Context) init() {
	if err := gl.Init(); err != nil {
		panic(err)
	}
	// Textures' pixel formats are alpha premultiplied.
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA)
}

开发者ID:DrJosh9000，项目名称:ebiten，代码行数:8，代码来源:context.go

示例13: main

func main() {
	err := glfw.Init()
	if err != nil {
		panic(err)
	}
	defer glfw.Terminate()
	fp, err := os.Open("example.tmx")
	if err != nil {
		panic(err)
	}

	m, err := tmx.NewMap(fp)
	if err != nil {
		panic(err)
	}

	var monitor *glfw.Monitor
	window, err := glfw.CreateWindow(screenWidth, screenHeight, "Map Renderer", monitor, nil)
	if err != nil {
		panic(err)
	}

	window.MakeContextCurrent()

	if err := gl.Init(); err != nil {
		panic(err)
	}

	width, height := window.GetFramebufferSize()
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
	gl.ClearColor(1.0, 1.0, 1.0, 1.0)
	gl.Viewport(0, 0, int32(width), int32(height))
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, float64(width), float64(height), 0, -1, 1)
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
	canvas := newOpenGLCanvas(width, height, float32(width)/float32(screenWidth), float32(height)/float32(screenHeight))
	renderer := tmx.NewRenderer(*m, canvas)
	fps := 0
	startTime := time.Now().UnixNano()
	timer := tmx.CreateTimer()
	timer.Start()
	for !window.ShouldClose() {
		elapsed := float64(timer.GetElapsedTime()) / (1000 * 1000)
		renderer.Render(int64(math.Ceil(elapsed)))
		fps++
		if time.Now().UnixNano()-startTime > 1000*1000*1000 {
			log.Println(fps)
			startTime = time.Now().UnixNano()
			fps = 0
		}

		window.SwapBuffers()
		glfw.PollEvents()
		timer.UpdateTime()
	}
}

开发者ID:manyminds，项目名称:tmx，代码行数:58，代码来源:opengl.go

示例14: initGL

func (v *Video) initGL() {
	if err := gl.Init(); err != nil {
		panic(err)
	}

	gl.Enable(gl.CULL_FACE)
	gl.Enable(gl.DEPTH_TEST)
	gl.ClearColor(0.0, 0.0, 0.0, 1.0)

	v.prog = createProgram(vertShaderSrcDef, fragShaderSrcDef)
	posAttrib := uint32(gl.GetAttribLocation(v.prog, gl.Str("vPosition"+"\x00")))
	texCoordAttr := uint32(gl.GetAttribLocation(v.prog, gl.Str("vTexCoord"+"\x00")))
	v.textureUni = gl.GetAttribLocation(v.prog, gl.Str("texture"+"\x00"))

	var texture uint32
	gl.GenTextures(1, &texture)
	gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, texture)

	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)

	gl.UseProgram(v.prog)
	gl.EnableVertexAttribArray(posAttrib)
	gl.EnableVertexAttribArray(texCoordAttr)
	//posAttrib.EnableArray()
	//texCoordAttr.EnableArray()

	var vbo uint32
	gl.GenBuffers(1, &vbo)
	gl.BindBuffer(gl.ARRAY_BUFFER, vbo)
	verts := []float32{-1.0, 1.0, -1.0, -1.0, 1.0, -1.0, 1.0, -1.0, 1.0, 1.0, -1.0, 1.0}
	gl.BufferData(gl.ARRAY_BUFFER, len(verts)*int(unsafe.Sizeof(verts[0])), gl.Ptr(verts), gl.STATIC_DRAW)

	var textCoorBuf uint32
	gl.GenBuffers(1, &textCoorBuf)
	gl.BindBuffer(gl.ARRAY_BUFFER, textCoorBuf)
	texVerts := []float32{0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0}
	gl.BufferData(gl.ARRAY_BUFFER, len(texVerts)*int(unsafe.Sizeof(texVerts[0])), gl.Ptr(texVerts), gl.STATIC_DRAW)

	gl.VertexAttribPointer(posAttrib, 2, gl.FLOAT, false, 0, gl.PtrOffset(0))
	gl.VertexAttribPointer(texCoordAttr, 2, gl.FLOAT, false, 0, gl.PtrOffset(0))
	//posAttrib.AttribPointer(2, gl.FLOAT, false, 0, uintptr(0))
	//texCoordAttr.AttribPointer(2, gl.FLOAT, false, 0, uintptr(0))
}

开发者ID:badfortrains，项目名称:Fergulator，代码行数:45，代码来源:video.go

示例15: draw

func (atlas *FontAtlas) draw(rendered *image.RGBA, b Bounds) {
	var texture uint32
	gl.Enable(gl.TEXTURE_2D)
	gl.GenTextures(1, &texture)
	gl.BindTexture(gl.TEXTURE_2D, texture)

	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)

	gl.TexImage2D(
		gl.TEXTURE_2D,
		0,
		gl.RGBA,
		int32(rendered.Bounds().Dx()),
		int32(rendered.Bounds().Dy()),
		0,
		gl.RGBA,
		gl.UNSIGNED_BYTE,
		gl.Ptr(rendered.Pix))

	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA)

	gl.Begin(gl.QUADS)
	{
		gl.TexCoord2f(0, 0)
		gl.Vertex2f(b.Min.X, b.Min.Y)
		gl.TexCoord2f(1, 0)
		gl.Vertex2f(b.Max.X, b.Min.Y)
		gl.TexCoord2f(1, 1)
		gl.Vertex2f(b.Max.X, b.Max.Y)
		gl.TexCoord2f(0, 1)
		gl.Vertex2f(b.Min.X, b.Max.Y)
	}
	gl.End()

	gl.Disable(gl.BLEND)

	gl.DeleteTextures(1, &texture)
	gl.Disable(gl.TEXTURE_2D)
}

开发者ID:egonelbre，项目名称:spector，代码行数:43，代码来源:fontatlas_slow.go

示例16: init_

// lets get things rolling
func init_() {
	// all for lighting effects
	//pos := []float32{0.0, 0.0, 100.0, 0.0}
	var pos float32 = 1.0
	gl.Lightfv(gl.LIGHT0, gl.POSITION, &pos)
	gl.Enable(gl.LIGHTING)
	gl.Enable(gl.LIGHT0)
	// below is necessary
	gl.Enable(gl.DEPTH_TEST)
	gl.Enable(gl.NORMALIZE)

	if DEBUG {
		tests()
		init_walls()
		return
	} else {
		make_maze()
		init_walls()
	}
}

开发者ID:pietdaniel，项目名称:gl_maze，代码行数:21，代码来源:main.go

示例17: FlushDraw

func (stash *Stash) FlushDraw() {
	i := 0
	texture := stash.ttTextures[i]
	tt := true
	for {
		if texture.nverts > 0 {
			gl.Enable(gl.TEXTURE_2D)
			gl.BindTexture(gl.TEXTURE_2D, texture.id)
			for k := 0; k < texture.nverts; k++ {
				gl.Begin(gl.QUADS)
				gl.Color4fv(&texture.color[0])
				gl.TexCoord2f(texture.verts[k*4+2], texture.verts[k*4+3])
				gl.Vertex2f(texture.verts[k*4+0], texture.verts[k*4+1])
				k++
				gl.Color4fv(&texture.color[0])
				gl.TexCoord2f(texture.verts[k*4+2], texture.verts[k*4+3])
				gl.Vertex2f(texture.verts[k*4+0], texture.verts[k*4+1])
				k++
				gl.Color4fv(&texture.color[0])
				gl.TexCoord2f(texture.verts[k*4+2], texture.verts[k*4+3])
				gl.Vertex2f(texture.verts[k*4+0], texture.verts[k*4+1])
				k++
				gl.Color4fv(&texture.color[0])
				gl.TexCoord2f(texture.verts[k*4+2], texture.verts[k*4+3])
				gl.Vertex2f(texture.verts[k*4+0], texture.verts[k*4+1])
				gl.End()
			}
			gl.Disable(gl.TEXTURE_2D)
			texture.nverts = 0
		}
		if tt {
			if i < len(stash.ttTextures)-1 {
				i++
				texture = stash.ttTextures[i]
			} else {
				i = 0
				if len(stash.bmTextures) > 0 {
					texture = stash.bmTextures[i]
					tt = false
				} else {
					break
				}
			}
		} else {
			if i < len(stash.bmTextures)-1 {
				i++
				texture = stash.bmTextures[i]
			} else {
				break
			}
		}
	}
}

开发者ID:shibukawa，项目名称:fontstash.go，代码行数:53，代码来源:fontstash.go

示例18: setupScene

func setupScene() {
	gl.Enable(gl.DEPTH_TEST)
	gl.Enable(gl.LIGHTING)

	gl.ClearColor(0.5, 0.5, 0.5, 0.0)
	gl.ClearDepth(1)
	gl.DepthFunc(gl.LEQUAL)

	ambient := []float32{0.5, 0.5, 0.5, 1}
	diffuse := []float32{1, 1, 1, 1}
	lightPosition := []float32{-5, 5, 10, 0}
	gl.Lightfv(gl.LIGHT0, gl.AMBIENT, &ambient[0])
	gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, &diffuse[0])
	gl.Lightfv(gl.LIGHT0, gl.POSITION, &lightPosition[0])
	gl.Enable(gl.LIGHT0)

	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Frustum(-1, 1, -1, 1, 1.0, 10.0)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()
}

开发者ID:donomii，项目名称:throfflib，代码行数:22，代码来源:throffgraphics.go

示例19: Reset

func (state *State) Reset(window *glfw.Window) {
	gl.ClearColor(1, 1, 1, 1)
	gl.Clear(gl.COLOR_BUFFER_BIT)
	gl.MatrixMode(gl.MODELVIEW)
	gl.LoadIdentity()

	gl.Disable(gl.DEPTH)
	gl.Enable(gl.FRAMEBUFFER_SRGB)

	width, height := window.GetSize()
	gl.Viewport(0, 0, int32(width), int32(height))
	gl.Ortho(0, float64(width), float64(height), 0, 30, -30)
}

开发者ID:egonelbre，项目名称:spector，代码行数:13，代码来源:ui.go

示例20: List

func List(width, height int, list *draw.List) {
	gl.Enable(gl.BLEND)
	gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)

	gl.Enable(gl.SCISSOR_TEST)
	defer gl.Disable(gl.SCISSOR_TEST)

	gl.EnableClientState(gl.VERTEX_ARRAY)
	defer gl.DisableClientState(gl.VERTEX_ARRAY)

	gl.EnableClientState(gl.COLOR_ARRAY)
	defer gl.DisableClientState(gl.COLOR_ARRAY)

	gl.EnableClientState(gl.TEXTURE_COORD_ARRAY)
	defer gl.DisableClientState(gl.TEXTURE_COORD_ARRAY)

	gl.VertexPointer(2, gl.FLOAT, vertexStride, unsafe.Pointer(&(list.Vertices[0].P)))
	gl.TexCoordPointer(2, gl.FLOAT, vertexStride, unsafe.Pointer(&(list.Vertices[0].UV)))
	gl.ColorPointer(4, gl.UNSIGNED_BYTE, vertexStride, unsafe.Pointer(&(list.Vertices[0].Color)))

	offset := 0
	for _, cmd := range list.Commands {
		if cmd.Count == 0 {
			continue
		}
		if cmd.Texture == 0 {
			gl.Disable(gl.TEXTURE_2D)
		} else {
			gl.Enable(gl.TEXTURE_2D)
			gl.BindTexture(gl.TEXTURE_2D, uint32(cmd.Texture))
		}

		x, y, w, h := cmd.Clip.AsInt32()
		gl.Scissor(x, int32(height)-y-h, w, h)
		gl.DrawElements(gl.TRIANGLES, int32(cmd.Count), indexType, gl.Ptr(list.Indicies[offset:]))
		offset += int(cmd.Count)
	}
}

开发者ID:egonelbre，项目名称:spector，代码行数:38，代码来源:render.go

注：本文中的github.com/go-gl/gl/v2/1/gl.Enable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。