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Golang gl.TexParameteri函数代码示例

本文整理汇总了Golang中github.com/go-gl/gl.TexParameteri函数的典型用法代码示例。如果您正苦于以下问题：Golang TexParameteri函数的具体用法？Golang TexParameteri怎么用？Golang TexParameteri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TexParameteri函数的15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: NewFramebuffer

// Creates a new Framebuffer.
func NewFramebuffer(w int, h int) (fb *Framebuffer, err error) {
	var (
		buffer  gl.Framebuffer
		texture gl.Texture
	)
	buffer = gl.GenFramebuffer()
	buffer.Bind()
	texture = gl.GenTexture()
	texture.Bind(gl.TEXTURE_2D)
	gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, w, h, 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.FramebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0)
	gl.DrawBuffer(gl.COLOR_ATTACHMENT0)
	if gl.CheckFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE {
		err = fmt.Errorf("Framebuffer could not be set up")
		return
	}
	fb = &Framebuffer{
		Buffer:  buffer,
		Texture: texture,
		Width:   w,
		Height:  h,
	}
	return
}
开发者ID:pikkpoiss，项目名称:ld27，代码行数:27，代码来源:framebuffer.go

示例2: Commit

// Commit creates the actual texture from the atlas image data.
// This should be called after all regions have been defined and set,
// and before you start using the texture for display.
func (a *TextureAtlas) Commit(target gl.GLenum) {
	gl.PushAttrib(gl.CURRENT_BIT | gl.ENABLE_BIT)
	gl.Enable(target)

	a.texture.Bind(target)

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

	switch a.depth {
	case 4:
		gl.TexImage2D(target, 0, gl.RGBA, a.width, a.height,
			0, gl.RGBA, gl.UNSIGNED_BYTE, a.data)

	case 3:
		gl.TexImage2D(target, 0, gl.RGB, a.width, a.height,
			0, gl.RGB, gl.UNSIGNED_BYTE, a.data)

	case 1:
		gl.TexImage2D(target, 0, gl.ALPHA, a.width, a.height,
			0, gl.ALPHA, gl.UNSIGNED_BYTE, a.data)
	}

	gl.PopAttrib()
}
开发者ID:jasonrpowers，项目名称:glh，代码行数:30，代码来源:atlas.go

示例3: loadFont

// loadFont loads the given font data. This does not deal with font scaling.
// Scaling should be handled by the independent Bitmap/Truetype loaders.
// We therefore expect the supplied image and charset to already be adjusted
// to the correct font scale.
//
// The image should hold a sprite sheet, defining the graphical layout for
// every glyph. The config describes font metadata.
func loadFont(img *image.RGBA, config *FontConfig) (f *Font, err error) {
	f = new(Font)
	f.Config = config

	// Resize image to next power-of-two.
	img = glh.Pow2Image(img).(*image.RGBA)
	ib := img.Bounds()

	f.Width = ib.Dx()
	f.Height = ib.Dy()

	// Create the texture itself. It will contain all glyphs.
	// Individual glyph-quads display a subset of this texture.
	f.Texture = gl.GenTexture()
	f.Texture.Bind(gl.TEXTURE_2D)
	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.RGBA, ib.Dx(), ib.Dy(), 0,
		gl.RGBA, gl.UNSIGNED_BYTE, img.Pix)

	// file, err := os.Create("font.png")
	// if err != nil {
	// 	log.Fatal(err)
	// }

	// err = png.Encode(file, img)
	// if err != nil {
	// 	log.Fatal(err)
	// }

	return
}
开发者ID:nobonobo，项目名称:gltext，代码行数:39，代码来源:font.go

示例4: loadTextures

func loadTextures() (err error) {
	textures = make([]gl.Texture, len(texturefiles)) ///创建文件存储空间数组
	gl.GenTextures(textures)                         ///告诉OpenGL我们想生成一个纹理名字
	for i := range texturefiles {
		///告诉OpenGL将纹理名字 texture[0] 绑定到纹理目标上。
		///2D纹理只有高度(在 Y 轴上)和宽度(在 X 轴上)。主函数将纹理名字指派给纹理数据。
		///本例中我们告知OpenGL， texture[i] 处的内存已经可用。我们创建的纹理将存储在 texture[i] 的 指向的内存区域。
		textures[i].Bind(gl.TEXTURE_2D) ///绑定

		if !glfw.LoadTexture2D(texturefiles[i], 0) { ///加载图片
			return errors.New("Failed to load texture: " + texturefiles[i])
		}
		/*
		   下面的两行告诉OpenGL在显示图像时，当它比放大得原始的纹理大 ( GL_TEXTURE_MAG_FILTER )
		   或缩小得比原始得纹理小( GL_TEXTURE_MIN_FILTER )时OpenGL采用的滤波方式。
		   通常这两种情况下我都采用 GL_LINEAR 。这使得纹理从很远处到离屏幕很近时都平滑显示。
		   使用 GL_LINEAR 需要CPU和显卡做更多的运算。如果您的机器很慢，您也许应该采用 GL_NEAREST 。
		   过滤的纹理在放大的时候，看起来斑驳的很『译者注：马赛克啦』。您也可以结合这两种滤波方式。
		   在近处时使用 GL_LINEAR ，远处时 GL_NEAREST 。
		*/
		gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR) ///线形滤波
		gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) ///线形滤波
	}
	return
}
开发者ID:bonly，项目名称:exercise，代码行数:25，代码来源:20110517_nehe06.go

示例5: Options

func (t *Texture) Options(filter, clamp int) {
	t.Bind()
	gl.TexParameteri(t.target, gl.TEXTURE_MIN_FILTER, filter)
	gl.TexParameteri(t.target, gl.TEXTURE_MAG_FILTER, filter)
	gl.TexParameteri(t.target, gl.TEXTURE_WRAP_S, clamp)
	gl.TexParameteri(t.target, gl.TEXTURE_WRAP_T, clamp)
}
开发者ID:gulinfang，项目名称:GarageEngine，代码行数:7，代码来源:Texture.go

示例6: NewTexture

// Create a new texture, initialize it to have a `gl.LINEAR` filter and use
// `gl.CLAMP_TO_EDGE`.
func NewTexture(w, h int) *Texture {
	texture := &Texture{gl.GenTexture(), w, h}
	With(texture, func() {
		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)
	})
	return texture
}
开发者ID:andrebq，项目名称:glh，代码行数:13，代码来源:texture.go

示例7: getGLTexture

func getGLTexture(img image.Image, smoothing int) (gltexture gl.Texture, err error) {
	var data *bytes.Buffer
	if data, err = encodeTGA("texture", img); err != nil {
		return
	}
	gltexture = gl.GenTexture()
	gltexture.Bind(gl.TEXTURE_2D)
	if !glfw.LoadMemoryTexture2D(data.Bytes(), 0) {
		err = fmt.Errorf("Failed to load texture")
		return
	}
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, smoothing)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, smoothing)
	return
}
开发者ID:pikkpoiss，项目名称:ld27，代码行数:15，代码来源:texture.go

示例8: MakeTextureFromTGA

func MakeTextureFromTGA(fname string) gl.Texture {
	tex := gl.GenTexture()

	tex.Bind(gl.TEXTURE_2D)
	glfw.LoadTexture2D(fname, 0)

	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
	gl.GenerateMipmap(gl.TEXTURE_2D)

	//	glh.OpenGLSentinel() // check for errors

	return tex
}
开发者ID:GlenKelley，项目名称:mathgl，代码行数:16，代码来源:helper_windows.go

示例9: LoadTexture

func (self *OpenGLRenderer) LoadTexture(texture *render.Texture) gl.Texture {
	glTexture := gl.GenTexture()
	glTexture.Bind(gl.TEXTURE_2D)
	defer glTexture.Unbind(gl.TEXTURE_2D)

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

	self.glTexImage2D(gl.TEXTURE_2D, texture)

	gl.GenerateMipmap(gl.TEXTURE_2D)

	return glTexture
}
开发者ID:jasonroelofs，项目名称:slartibartfast，代码行数:16，代码来源:opengl_renderer.go

示例10: loadTextures

func loadTextures() (err error) {
	textures = make([]gl.Texture, len(texturefiles))
	gl.GenTextures(textures)

	for i := range texturefiles {
		textures[i].Bind(gl.TEXTURE_2D)

		if !glfw.LoadTexture2D(texturefiles[i], 0) {
			return errors.New("Failed to load texture: " + texturefiles[i])
		}

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

	return
}
开发者ID:hsalokor，项目名称:examples，代码行数:17，代码来源:main.go

示例11: Render

func (v *Video) Render() {
	for running {
		select {
		case dimensions := <-v.resize:
			v.ResizeEvent(dimensions[0], dimensions[1])
		case val := <-v.tick:
			slice := make([]uint8, len(val)*3)
			for i := 0; i < len(val); i = i + 1 {
				slice[i*3+0] = (uint8)((val[i] >> 16) & 0xff)
				slice[i*3+1] = (uint8)((val[i] >> 8) & 0xff)
				slice[i*3+2] = (uint8)((val[i]) & 0xff)
			}

			gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

			v.tex.Bind(gl.TEXTURE_2D)

			if ppu.OverscanEnabled {
				gl.TexImage2D(gl.TEXTURE_2D, 0, 3, 240, 224, 0, gl.RGB, gl.UNSIGNED_BYTE, slice)
			} else {
				gl.TexImage2D(gl.TEXTURE_2D, 0, 3, 256, 240, 0, gl.RGB, gl.UNSIGNED_BYTE, slice)
			}

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

			gl.Begin(gl.QUADS)
			gl.TexCoord2f(0.0, 1.0)
			gl.Vertex3f(-1.0, -1.0, 0.0)
			gl.TexCoord2f(1.0, 1.0)
			gl.Vertex3f(1.0, -1.0, 0.0)
			gl.TexCoord2f(1.0, 0.0)
			gl.Vertex3f(1.0, 1.0, 0.0)
			gl.TexCoord2f(0.0, 0.0)
			gl.Vertex3f(-1.0, 1.0, 0.0)
			gl.End()

			if v.screen != nil {
				sdl.GL_SwapBuffers()
			}

			v.frametick <- true
		}
	}
}
开发者ID:richardjoo，项目名称:Fergulator，代码行数:45，代码来源:video.go

示例12: uploadTexture_RGBA32

func uploadTexture_RGBA32(w, h int, data []byte) gl.Texture {

	id := gl.GenTexture()
	id.Bind(gl.TEXTURE_2D)
	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, int(w), int(h), 0, gl.RGBA, gl.UNSIGNED_BYTE, data)

	if gl.GetError() != gl.NO_ERROR {
		id.Delete()
		panic("Failed to load a texture")
		return 0
	}
	return id
}
开发者ID:jayschwa，项目名称:examples，代码行数:18，代码来源:main.go

示例13: loadTextures

func loadTextures() (err error) {
	gl.GenTextures(textures)

	// Texture 1
	textures[0].Bind(gl.TEXTURE_2D)

	if !glfw.LoadTexture2D(texturefiles[0], 0) {
		return errors.New("Failed to load texture: " + texturefiles[0])
	}

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

	// Texture 2
	textures[1].Bind(gl.TEXTURE_2D)

	if !glfw.LoadTexture2D(texturefiles[0], 0) {
		return errors.New("Failed to load texture: " + texturefiles[0])
	}

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

	// Texture 3
	textures[2].Bind(gl.TEXTURE_2D)

	if !glfw.LoadTexture2D(texturefiles[0], glfw.BuildMipmapsBit) {
		return errors.New("Failed to load texture: " + texturefiles[0])
	}

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

	return
}
开发者ID:pwaller，项目名称:examples，代码行数:35，代码来源:main.go

示例14: Render

func (v *Video) Render(frame []byte, frame_w int, frame_h int) {
	gl.Clear(gl.COLOR_BUFFER_BIT)
	v.Texture.Bind(gl.TEXTURE_2D)

	gl.TexImage2D(gl.TEXTURE_2D, 0, 3, frame_w, frame_h, 0, gl.RGB, gl.UNSIGNED_BYTE, frame)

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

	gl.Begin(gl.QUADS)
	gl.TexCoord2f(0.0, 1.0)
	gl.Vertex3f(-1.0, -1.0, 0.0)
	gl.TexCoord2f(1.0, 1.0)
	gl.Vertex3f(1.0, -1.0, 0.0)
	gl.TexCoord2f(1.0, 0.0)
	gl.Vertex3f(1.0, 1.0, 0.0)
	gl.TexCoord2f(0.0, 0.0)
	gl.Vertex3f(-1.0, 1.0, 0.0)
	gl.End()

	glfw.SwapBuffers()
}
开发者ID:samfoo，项目名称:gones，代码行数:22，代码来源:video.go

示例15: loadCubeMap

func (self *OpenGLRenderer) loadCubeMap(material *render.Material) gl.Texture {
	glTexture := gl.GenTexture()
	glTexture.Bind(gl.TEXTURE_CUBE_MAP)
	defer glTexture.Unbind(gl.TEXTURE_CUBE_MAP)

	gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
	gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
	gl.TexParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_R, gl.CLAMP_TO_EDGE)

	self.glTexImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_X, material.CubeMap[render.CubeFace_Right])
	self.glTexImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_X, material.CubeMap[render.CubeFace_Left])

	self.glTexImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_Y, material.CubeMap[render.CubeFace_Top])
	self.glTexImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, material.CubeMap[render.CubeFace_Bottom])

	self.glTexImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_Z, material.CubeMap[render.CubeFace_Front])
	self.glTexImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_Z, material.CubeMap[render.CubeFace_Back])

	return glTexture
}
开发者ID:jasonroelofs，项目名称:slartibartfast，代码行数:22，代码来源:opengl_renderer.go


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