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Golang gl21.TexImage2D函數代碼示例

本文整理匯總了Golang中github.com/chsc/gogl/gl21.TexImage2D函數的典型用法代碼示例。如果您正苦於以下問題：Golang TexImage2D函數的具體用法？Golang TexImage2D怎麽用？Golang TexImage2D使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了TexImage2D函數的14個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: Draw

func (ms *ManaSource) Draw(local *LocalData, zoom float64, dx float64, dy float64) {
	if local.nodeTextureData == nil {
		//		gl.Enable(gl.TEXTURE_2D)
		local.nodeTextureData = make([]byte, ms.options.NumNodeRows*ms.options.NumNodeCols*3)
		gl.GenTextures(1, &local.nodeTextureId)
		gl.BindTexture(gl.TEXTURE_2D, local.nodeTextureId)
		gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
		gl.TexImage2D(
			gl.TEXTURE_2D,
			0,
			gl.RGB,
			gl.Sizei(ms.options.NumNodeRows),
			gl.Sizei(ms.options.NumNodeCols),
			0,
			gl.RGB,
			gl.UNSIGNED_BYTE,
			gl.Pointer(&local.nodeTextureData[0]))
	}
	for i := range ms.rawNodes {
		for c := 0; c < 3; c++ {
			color_frac := ms.rawNodes[i].Mana[c] * 1.0 / ms.options.NodeMagnitude
			color_range := float64(ms.options.MaxNodeBrightness - ms.options.MinNodeBrightness)
			local.nodeTextureData[i*3+c] = byte(
				color_frac*color_range + float64(ms.options.MinNodeBrightness))
		}
	}
	gl.Enable(gl.TEXTURE_2D)
	//gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, local.nodeTextureId)
	gl.TexSubImage2D(
		gl.TEXTURE_2D,
		0,
		0,
		0,
		gl.Sizei(ms.options.NumNodeRows),
		gl.Sizei(ms.options.NumNodeCols),
		gl.RGB,
		gl.UNSIGNED_BYTE,
		gl.Pointer(&local.nodeTextureData[0]))

	base.EnableShader("nodes")
	base.SetUniformI("nodes", "width", ms.options.NumNodeRows*3)
	base.SetUniformI("nodes", "height", ms.options.NumNodeCols*3)
	base.SetUniformI("nodes", "drains", 1)
	base.SetUniformI("nodes", "tex0", 0)
	base.SetUniformI("nodes", "tex1", 1)
	base.SetUniformF("nodes", "zoom", float32(zoom))
	gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, local.nodeTextureId)

	// I have no idea why this value for move works, but it does.  So, hooray.
	move := (dx - dy) / 2
	texture.RenderAdvanced(move, -move, dy, dx, 3.1415926535/2, true)
	base.EnableShader("")
	gl.Disable(gl.TEXTURE_2D)
}
開發者ID:runningwild，項目名稱:magnus，代碼行數:60，代碼來源:mana_source.go

示例2: createTexture

func createTexture(r io.Reader) (textureId gl.Uint, err error) {
	img, err := png.Decode(r)
	if err != nil {
		return 0, err
	}

	rgbaImg, ok := img.(*image.NRGBA)
	if !ok {
		return 0, errors.New("texture must be an NRGBA image")
	}

	gl.GenTextures(1, &textureId)
	gl.BindTexture(gl.TEXTURE_2D, textureId)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)

	// flip image: first pixel is lower left corner
	imgWidth, imgHeight := img.Bounds().Dx(), img.Bounds().Dy()
	data := make([]byte, imgWidth*imgHeight*4)
	lineLen := imgWidth * 4
	dest := len(data) - lineLen
	for src := 0; src < len(rgbaImg.Pix); src += rgbaImg.Stride {
		copy(data[dest:dest+lineLen], rgbaImg.Pix[src:src+rgbaImg.Stride])
		dest -= lineLen
	}
	gl.TexImage2D(gl.TEXTURE_2D, 0, 4, gl.Sizei(imgWidth), gl.Sizei(imgHeight), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Pointer(&data[0]))

	return textureId, nil
}
開發者ID:sserafimescu，項目名稱:gogl，代碼行數:29，代碼來源:gopher.go

示例3: upload

func upload(id gl.Uint, data []byte, stride int, w int, h int) {
	gl.BindTexture(gl.TEXTURE_2D, id)
	gl.PixelStorei(gl.UNPACK_ROW_LENGTH, gl.Int(stride))
	gl.PixelStorei(gl.UNPACK_ALIGNMENT, 1)
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.LUMINANCE,
		gl.Sizei(w), gl.Sizei(h), 0,
		gl.LUMINANCE, gl.UNSIGNED_BYTE, gl.Pointer(&data[0]))
}
開發者ID:jacereda，項目名稱:webmplay，代碼行數:8，代碼來源:webmplay.go

示例4: makeErrorTexture

func makeErrorTexture() {
	gl.Enable(gl.TEXTURE_2D)
	gl.GenTextures(1, (*gl.Uint)(&error_texture))
	gl.BindTexture(gl.TEXTURE_2D, error_texture)
	gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
	pink := []byte{255, 0, 255, 255}
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.BYTE, gl.Pointer(&pink[0]))
}
開發者ID:runningwild，項目名稱:jbot，代碼行數:12，代碼來源:texture_devel.go

示例5: NewSprite

// NewSprite creates a new Sprite object using the given data, which is
// expected to be in RGBA format. If you use PNG image files, you can use the
// NewSpriteFromImage shortcut function instead.
func NewSprite(x, y, width, height float64, data []byte, clip int) (*Sprite, error) {

	verticies := []float64{
		x, y,
		x + width, y,
		x, y + height,

		x + width, y + height,
		x + width, y,
		x, y + height}

	shape, err := NewShape(gl.TRIANGLES, verticies)
	if err != nil {
		return nil, err
	}

	sprite := &Sprite{texcoordBuffer: 0, texture: nil, shape: shape}

	texCoords := []float32{
		0, 0,
		1, 0,
		0, 1,

		1, 1,
		1, 0,
		0, 1}

	gl.GenBuffers(1, &sprite.texcoordBuffer)
	gl.BindBuffer(gl.ARRAY_BUFFER, gl.Uint(sprite.texcoordBuffer))
	gl.BufferData(gl.ARRAY_BUFFER, gl.Sizeiptr(len(texCoords)*4), gl.Pointer(&texCoords[0]), gl.STREAM_DRAW)
	gl.BindBuffer(gl.ARRAY_BUFFER, 0)

	sprite.texture = make([]gl.Uint, clip)
	gl.GenTextures(gl.Sizei(clip), &sprite.texture[0])

	clips := make([][]byte, clip)
	for i := range clips {
		clips[i] = data[i*(len(data)/len(clips)) : (i+1)*(len(data)/len(clips))]
		gl.BindTexture(gl.TEXTURE_2D, sprite.texture[len(clips)-1-i])
		gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
		gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
		gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
		gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
		gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA,
			gl.Sizei(width), gl.Sizei(height),
			0, gl.RGBA, gl.UNSIGNED_BYTE,
			gl.Pointer(&clips[i][0]))
	}

	gl.BindTexture(gl.TEXTURE_2D, 0)

	return sprite, checkForErrors()
}
開發者ID:velovix，項目名稱:paunch，代碼行數:56，代碼來源:sprite.go

示例6: reuploadTexture

func reuploadTexture(tex *gl.Uint, w, h int, data []byte) {
	if *tex > 0 {
		gl.BindTexture(gl.TEXTURE_2D, *tex)
		gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.Sizei(w), gl.Sizei(h), 0,
			gl.RGBA, gl.UNSIGNED_BYTE, gl.Pointer(&data[0]))
		if gl.GetError() != gl.NO_ERROR {
			gl.DeleteTextures(1, tex)
			panic("Failed to reupload texture")
		}
		return
	}
	*tex = uploadTexture_RGBA32(w, h, data)
}
開發者ID:nsf，項目名稱:gomandel，代碼行數:13，代碼來源:gomandel.go

示例7: initTexture

func (m *Model) initTexture() {
	//file, err := os.Open("model/test.png")
	file, err := os.Open("model/ceil.png")
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	img, _, err := image.Decode(file)
	if err != nil {
		log.Fatal(err)
	}

	rgbaImg, ok := img.(*image.NRGBA)
	if !ok {
		//return 0, errors.New("texture must be an NRGBA image")
		log.Fatal("image is not rgba")
	}

	gl.GenTextures(1, &m.texture_id)
	gl.BindTexture(gl.TEXTURE_2D, m.texture_id)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)

	// flip image: first pixel is lower left corner
	img_width, img_height := img.Bounds().Dx(), img.Bounds().Dy()
	data := make([]byte, img_width*img_height*4)
	line_len := img_width * 4
	dest := len(data) - line_len
	for src := 0; src < len(rgbaImg.Pix); src += rgbaImg.Stride {
		copy(data[dest:dest+line_len], rgbaImg.Pix[src:src+rgbaImg.Stride])
		dest -= line_len
	}
	gl.TexImage2D(
		gl.TEXTURE_2D,
		0,
		gl.RGBA, //4,
		gl.Sizei(img_width),
		gl.Sizei(img_height),
		0,
		gl.RGBA,
		gl.UNSIGNED_BYTE,
		gl.Pointer(&data[0]))

}
開發者ID:drasich，項目名稱:ridley，代碼行數:45，代碼來源:model.go

示例8: uploadTexture_RGBA32

func uploadTexture_RGBA32(w, h int, data []byte) gl.Uint {
	var id gl.Uint
	gl.GenTextures(1, &id)
	gl.BindTexture(gl.TEXTURE_2D, id)
	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.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_R, gl.CLAMP_TO_EDGE)
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.Sizei(w), gl.Sizei(h), 0, gl.RGBA,
		gl.UNSIGNED_BYTE, gl.Pointer(&data[0]))

	if gl.GetError() != gl.NO_ERROR {
		gl.DeleteTextures(1, &id)
		panic("Failed to load a texture")
	}
	return id
}
開發者ID:nsf，項目名稱:gomandel，代碼行數:18，代碼來源:gomandel.go

示例9: LoadSprite

func (m *Manager) LoadSprite(path string) (*Sprite, error) {
	// We can't run this during an init() function because it will get queued to
	// run before the opengl context is created, so we just check here and run
	// it if we haven't run it before.
	gen_tex_once.Do(func() {
		render.Queue(func() {
			gl.Enable(gl.TEXTURE_2D)
			gl.GenTextures(1, &error_texture)
			gl.BindTexture(gl.TEXTURE_2D, error_texture)
			gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
			pink := []byte{255, 0, 255, 255}
			gl.TexImage2D(
				gl.TEXTURE_2D,
				0,
				gl.RGBA,
				1,
				1,
				0,
				gl.RGBA,
				gl.UNSIGNED_INT,
				gl.Pointer(&pink[0]))
		})
	})

	path = filepath.Clean(path)
	err := m.loadSharedSprite(path)
	if err != nil {
		return nil, err
	}
	var s Sprite
	m.mutex.Lock()
	s.shared = m.shared[path]
	m.mutex.Unlock()
	s.anim_node = s.shared.anim_start
	s.state_node = s.shared.state_start
	return &s, nil
}
開發者ID:runningwild，項目名稱:glop，代碼行數:41，代碼來源:sprite.go

示例10: makeTexture

func (s *sheet) makeTexture(pixer <-chan []byte) {
	gl.Enable(gl.TEXTURE_2D)
	gl.GenTextures(1, &s.texture)
	gl.BindTexture(gl.TEXTURE_2D, s.texture)
	gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
	gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
	data := <-pixer
	gl.TexImage2D(
		gl.TEXTURE_2D,
		0,
		gl.RGBA,
		gl.Sizei(s.dx),
		gl.Sizei(s.dy),
		0,
		gl.RGBA,
		gl.UNSIGNED_INT,
		gl.Pointer(&data[0]))
	memory.FreeBlock(data)
}
開發者ID:runningwild，項目名稱:glop，代碼行數:22，代碼來源:sheet.go

示例11: setupGlStuff

// Sets up anything that wouldn't have been loaded from disk, including
// all opengl data, and sets up finalizers for that data.
func (d *Dictionary) setupGlStuff() {
	d.dlists = make(map[string]uint32)
	d.strs = make(map[string]strBuffer)
	d.pars = make(map[string]strBuffer)

	// TODO: This finalizer is untested
	runtime.SetFinalizer(d, func(d *Dictionary) {
		render.Queue(func() {
			for _, v := range d.dlists {
				gl.DeleteLists(gl.Uint(v), 1)
			}
		})
	})

	render.Queue(func() {
		gl.Enable(gl.TEXTURE_2D)
		gl.GenTextures(1, (*gl.Uint)(&d.texture))
		gl.BindTexture(gl.TEXTURE_2D, gl.Uint(d.texture))
		gl.PixelStorei(gl.UNPACK_ALIGNMENT, 1)
		gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)

		gl.TexImage2D(
			gl.TEXTURE_2D,
			0,
			gl.ALPHA,
			gl.Sizei(d.data.Dx),
			gl.Sizei(d.data.Dy),
			0,
			gl.ALPHA,
			gl.UNSIGNED_BYTE,
			gl.Pointer(&d.data.Pix[0]))

		gl.Disable(gl.TEXTURE_2D)
	})
}
開發者ID:jctaylor1，項目名稱:haunts，代碼行數:41，代碼來源:text.go

示例12: handleLoadRequest

func handleLoadRequest(req loadRequest) {
	f, _ := os.Open(req.path)
	im, _, err := image.Decode(f)
	f.Close()
	if err != nil {
		return
	}
	gray := true
	dx := im.Bounds().Dx()
	dy := im.Bounds().Dy()
	for i := 0; i < dx; i++ {
		for j := 0; j < dy; j++ {
			r, g, b, _ := im.At(i, j).RGBA()
			if r != g || g != b {
				gray = false
				break
			}
		}
		if !gray {
			break
		}
	}
	var canvas draw.Image
	var pix []byte
	if gray {
		ga := NewGrayAlpha(im.Bounds())
		pix = ga.Pix
		canvas = ga
	} else {
		pix = memory.GetBlock(4 * req.data.dx * req.data.dy)
		canvas = &image.RGBA{pix, 4 * req.data.dx, im.Bounds()}
	}
	draw.Draw(canvas, im.Bounds(), im, image.Point{}, draw.Src)
	load_mutex.Lock()
	load_count += len(pix)
	manual_unlock := false
	// This prevents us from trying to send too much to opengl in a single
	// frame.  If we go over the threshold then we hold the lock until we're
	// done sending data to opengl, then other requests will be free to
	// queue up and they will run on the next frame.
	if load_count < load_threshold {
		load_mutex.Unlock()
	} else {
		manual_unlock = true
	}
	render.Queue(func() {
		{
			gl.Enable(gl.TEXTURE_2D)
			gl.GenTextures(1, (*gl.Uint)(&req.data.texture))
			gl.BindTexture(gl.TEXTURE_2D, req.data.texture)
			gl.PixelStorei(gl.UNPACK_ALIGNMENT, 1)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
			gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
		}
		if gray {
			gl.TexImage2D(
				gl.TEXTURE_2D,
				0,
				gl.LUMINANCE_ALPHA,
				gl.Sizei(req.data.dx),
				gl.Sizei(req.data.dy),
				0,
				gl.LUMINANCE_ALPHA,
				gl.BYTE,
				gl.Pointer(&pix[0]))
		} else {
			gl.TexImage2D(
				gl.TEXTURE_2D,
				0,
				gl.RGBA,
				gl.Sizei(req.data.dx),
				gl.Sizei(req.data.dy),
				0,
				gl.RGBA,
				gl.UNSIGNED_BYTE,
				gl.Pointer(&pix[0]))
			// gl.TexImage2D(target, level, internalformat, width, height, border, format, type_, pixels)
			// glu.Build2DMipmaps(gl.TEXTURE_2D, gl.RGBA, req.data.dx, req.data.dy, gl.RGBA, pix)
		}
		memory.FreeBlock(pix)
		if manual_unlock {
			load_count = 0
			load_mutex.Unlock()
		}
	})
}
開發者ID:runningwild，項目名稱:jbot，代碼行數:88，代碼來源:manager.go

示例13: Open

func (w *glfwBackend) Open(width, height, zoom int, fs bool, font *FontData) {
	if err := glfw.Init(); err != nil {
		panic(err)
	}

	w.font = font
	w.zoom = zoom
	w.width = width
	w.height = height

	var fwidth = width * font.CellWidth * zoom
	var fheight = height * font.CellHeight * zoom
	var twidth = fwidth
	var theight = fheight

	flag := glfw.Windowed
	if fs {
		flag = glfw.Fullscreen
		dm := glfw.DesktopMode()
		twidth = dm.W
		theight = dm.H
	}

	glfw.OpenWindowHint(glfw.WindowNoResize, gl.TRUE)
	err := glfw.OpenWindow(twidth, theight, 8, 8, 8, 8, 0, 0, flag)
	if err != nil {
		panic(err)
	}

	w.key = NOKEY
	glfw.SetWindowCloseCallback(func() int { w.Close(); return 0 })
	glfw.SetKeyCallback(func(key, state int) { w.setKey(key, state) })
	glfw.SetCharCallback(func(key, state int) { w.setKey(key, state) })
	glfw.Enable(glfw.KeyRepeat)

	w.mouse = new(MouseData)
	glfw.Enable(glfw.MouseCursor)
	glfw.SetMousePosCallback(func(x, y int) { w.mouseMove(x, y) })
	glfw.SetMouseButtonCallback(func(but, state int) { w.mousePress(but, state) })
	glfw.Enable(glfw.MouseCursor)

	xoff := float32(twidth-fwidth) / 2.0
	yoff := float32(theight-fheight) / 2.0

	fc := float32(font.CellWidth * zoom)
	fch := float32(font.CellHeight * zoom)
	for y := 0; y < height; y++ {
		for x := 0; x < width; x++ {
			cx := xoff + float32(x)*fc
			cy := yoff + float32(y)*fch
			w.verts = append(w.verts, cx, cy, cx, cy+fch, cx+fc, cy+fch, cx+fc, cy)
		}
	}

	runtime.LockOSThread()
	glInit(twidth, theight)

	m := font.Image.(*image.RGBA)
	w.s = float32(font.CellWidth) / float32(m.Bounds().Max.X)
	w.t = float32(font.CellHeight) / float32(m.Bounds().Max.Y)
	textures = make([]gl.Uint, 2)
	gl.GenTextures(2, &textures[0])

	gl.BindTexture(gl.TEXTURE_2D, textures[0])
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.Sizei(m.Bounds().Max.X), gl.Sizei(m.Bounds().Max.Y), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Pointer(&m.Pix[0]))

	m = image.NewRGBA(image.Rect(0, 0, font.CellWidth, font.CellHeight))
	draw.Draw(m, m.Bounds(), &image.Uniform{White}, image.ZP, draw.Src)
	gl.BindTexture(gl.TEXTURE_2D, textures[1])
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.Sizei(m.Bounds().Max.X), gl.Sizei(m.Bounds().Max.Y), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Pointer(&m.Pix[0]))

	w.open = true
}
開發者ID:ajhager，項目名稱:rog，代碼行數:77，代碼來源:backend.go

示例14: Draw

func (ms *ManaSource) Draw(gw *GameWindow, dx float64, dy float64) {
	if gw.nodeTextureData == nil {
		//		gl.Enable(gl.TEXTURE_2D)
		gw.nodeTextureData = make([]byte, ms.options.NumNodeRows*ms.options.NumNodeCols*3)
		gl.GenTextures(1, &gw.nodeTextureId)
		gl.BindTexture(gl.TEXTURE_2D, gw.nodeTextureId)
		gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
		gl.TexImage2D(
			gl.TEXTURE_2D,
			0,
			gl.RGB,
			gl.Sizei(ms.options.NumNodeCols),
			gl.Sizei(ms.options.NumNodeRows),
			0,
			gl.RGB,
			gl.UNSIGNED_BYTE,
			gl.Pointer(&gw.nodeTextureData[0]))

		//		gl.ActiveTexture(gl.TEXTURE1)
		gl.GenTextures(1, &gw.nodeWarpingTexture)
		gl.BindTexture(gl.TEXTURE_1D, gw.nodeWarpingTexture)
		gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
		gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_WRAP_S, gl.REPEAT)
		gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_WRAP_T, gl.REPEAT)
		gw.nodeWarpingData = make([]byte, 4*10)
		gl.TexImage1D(
			gl.TEXTURE_1D,
			0,
			gl.RGBA,
			gl.Sizei(len(gw.nodeWarpingData)/4),
			0,
			gl.RGBA,
			gl.UNSIGNED_BYTE,
			gl.Pointer(&gw.nodeWarpingData[0]))
	}

	for x := range ms.nodes {
		for y, node := range ms.nodes[x] {
			pos := 3 * (y*ms.options.NumNodeCols + x)
			for c := 0; c < 3; c++ {
				color_frac := node.Mana[c] * 1.0 / ms.options.NodeMagnitude
				color_range := float64(ms.options.MaxNodeBrightness - ms.options.MinNodeBrightness)
				gw.nodeTextureData[pos+c] = byte(
					color_frac*color_range + float64(ms.options.MinNodeBrightness))
			}
		}
	}
	gl.Enable(gl.TEXTURE_1D)
	gl.Enable(gl.TEXTURE_2D)
	//gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, gw.nodeTextureId)
	gl.TexSubImage2D(
		gl.TEXTURE_2D,
		0,
		0,
		0,
		gl.Sizei(ms.options.NumNodeCols),
		gl.Sizei(ms.options.NumNodeRows),
		gl.RGB,
		gl.UNSIGNED_BYTE,
		gl.Pointer(&gw.nodeTextureData[0]))

	gl.ActiveTexture(gl.TEXTURE1)
	for i, ent := range gw.game.Ents {
		p := ent.Pos()
		gw.nodeWarpingData[3*i+0] = byte(p.X / float64(gw.game.Dx) * 255)
		gw.nodeWarpingData[3*i+1] = -byte(p.Y / float64(gw.game.Dy) * 255)
		gw.nodeWarpingData[3*i+2] = 255
	}
	gl.TexImage1D(
		gl.TEXTURE_1D,
		0,
		gl.RGBA,
		gl.Sizei(len(gw.nodeWarpingData)/4),
		0,
		gl.RGBA,
		gl.UNSIGNED_BYTE,
		gl.Pointer(&gw.nodeWarpingData[0]))

	base.EnableShader("nodes")
	base.SetUniformI("nodes", "width", ms.options.NumNodeCols)
	base.SetUniformI("nodes", "height", ms.options.NumNodeRows)
	base.SetUniformI("nodes", "drains", 1)
	base.SetUniformI("nodes", "tex0", 0)
	base.SetUniformI("nodes", "tex1", 1)
	gl.ActiveTexture(gl.TEXTURE1)
	gl.BindTexture(gl.TEXTURE_1D, gw.nodeWarpingTexture)
	gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, gw.nodeTextureId)
	texture.Render(0, dy, dx, -dy)
	base.EnableShader("")
	gl.Disable(gl.TEXTURE_2D)
	gl.Disable(gl.TEXTURE_1D)
}
開發者ID:dgthunder，項目名稱:magnus，代碼行數:100，代碼來源:mana_source.go


注：本文中的github.com/chsc/gogl/gl21.TexImage2D函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。