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How to use testTexImage2DFromVideoFrame method in wpt

Best JavaScript code snippet using wpt

videoFrame-texImage.any.js

Source:videoFrame-texImage.any.js

...18    assertCompares(colorData[i + 2], expectedPixel[2]);19    assertCompares(colorData[i + 3], expectedPixel[3]);20  }21}22function testTexImage2DFromVideoFrame(23    width, height, useTexSubImage2D, expectedPixel) {24  let vfInit = {format: 'RGBA', timestamp: 0, codedWidth: width,25                codedHeight: height};26  let argbData = new Uint32Array(vfInit.codedWidth * vfInit.codedHeight);27  argbData.fill(0xFF966432);  // 'rgb(50, 100, 150)';28  let frame = new VideoFrame(argbData, vfInit);29  let gl_canvas = new OffscreenCanvas(width, height);30  let gl = gl_canvas.getContext('webgl');31  let program = WebGLTestUtils.setupTexturedQuad(gl);32  gl.clearColor(0, 0, 0, 1);33  gl.clearDepth(1);34  gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);35  gl.colorMask(1, 1, 1, 0);  // Disable any writes to the alpha channel.36  let textureLoc = gl.getUniformLocation(program, 'tex');37  let texture = gl.createTexture();38  // Bind the texture to texture unit 0.39  gl.bindTexture(gl.TEXTURE_2D, texture);40  // Set up texture parameters.41  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);42  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);43  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);44  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);45  // Set up pixel store parameters.46  gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false);47  gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);48  // Upload the videoElement into the texture49  if (useTexSubImage2D) {50    // Initialize the texture to black first51    gl.texImage2D(52        gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE,53        null);54    gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, frame);55  } else {56    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, frame);57  }58  frame.close();59  assert_equals(gl.getError(), gl.NO_ERROR);60  // Point the uniform sampler to texture unit 061  gl.uniform1i(textureLoc, 0);62  // Draw the triangles63  WebGLTestUtils.drawQuad(gl, [0, 0, 0, 255]);64  // Wait for drawing to complete.65  gl.finish();66  testGLCanvas(gl, width, height, expectedPixel, assert_equals);67}68test(() => {69  return testTexImage2DFromVideoFrame(48, 36, false, kSRGBPixel);70}, 'drawImage(VideoFrame) with texImage2D (48x36) srgb.');71test(() => {72  return testTexImage2DFromVideoFrame(48, 36, true, kSRGBPixel);73}, 'drawImage(VideoFrame) with texSubImage2D (48x36) srgb.');74test(() => {75  return testTexImage2DFromVideoFrame(480, 360, false, kSRGBPixel);76}, 'drawImage(VideoFrame) with texImage2D (480x360) srgb.');77test(() => {78  return testTexImage2DFromVideoFrame(480, 360, true, kSRGBPixel);...

Using AI Code Generation

1function testTexImage2DFromVideoFrame() {2    var canvas = document.createElement("canvas");3    canvas.width = 640;4    canvas.height = 480;5    var gl = canvas.getContext("webgl");6    var video = document.createElement("video");7    video.src = "test.webm";8    video.autoplay = true;9    video.loop = true;10    video.onloadeddata = function() {11        var videoTexture = gl.createTexture();12        gl.bindTexture(gl.TEXTURE_2D, videoTexture);13        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);14        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);15        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);16        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);17        var videoFrame = new VideoFrame(video);18        gl.testTexImage2DFromVideoFrame(gl.TEXTURE_2D, 0, videoFrame);19        gl.bindTexture(gl.TEXTURE_2D, null);20    }21}

Using AI Code Generation

1var canvas = document.getElementById("canvas");2var video = document.getElementById("video");3var gl = canvas.getContext("webgl");4var texture = gl.createTexture();5gl.bindTexture(gl.TEXTURE_2D, texture);6gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, video);7gl.texImage2DFromVideoFrame(gl.TEXTURE_2D, 0, video);8gl.bindTexture(gl.TEXTURE_2D, null);9function testTexImage2DFromVideoFrame(textureTarget, level, video) {10    var program = wtu.setupTexturedQuad(gl);11    gl.bindTexture(textureTarget, texture);12    gl.texImage2DFromVideoFrame(textureTarget, level, video);13    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage2DFromVideoFrame should succeed");14    wtu.checkCanvasRect(gl, 0, 0, 1, 1, [255, 0, 0, 255]);15    gl.bindTexture(textureTarget, null);16    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");17}

Using AI Code Generation

1function testTexImage2DFromVideoFrame() {2  var canvas = document.getElementById("canvas");3  var gl = canvas.getContext("webgl");4  var program = gl.createProgram();5  var vertexShader = gl.createShader(gl.VERTEX_SHADER);6  var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);7  gl.shaderSource(vertexShader, vertexShaderSource);8  gl.shaderSource(fragmentShader, fragmentShaderSource);9  gl.compileShader(vertexShader);10  gl.compileShader(fragmentShader);11  gl.attachShader(program, vertexShader);12  gl.attachShader(program, fragmentShader);13  gl.linkProgram(program);14  gl.useProgram(program);15  var positionLocation = gl.getAttribLocation(program, "a_position");16  var texCoordLocation = gl.getAttribLocation(program, "a_texCoord");17  var positionBuffer = gl.createBuffer();18  gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);19  gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([20    1.0, -1.0]), gl.STATIC_DRAW);21  gl.enableVertexAttribArray(positionLocation);22  gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);23  var texCoordBuffer = gl.createBuffer();24  gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);25  gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([26    1.0,  1.0]), gl.STATIC_DRAW);27  gl.enableVertexAttribArray(texCoordLocation);28  gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);29  var texture = gl.createTexture();30  gl.bindTexture(gl.TEXTURE_2D, texture);31  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);32  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);33  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);34  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINE

Using AI Code Generation

1function testTexImage2DFromVideoFrame() {2  var video = document.createElement("video");3  video.src = "test.ogv";4  video.loop = true;5  video.play();6  var canvas = document.createElement("canvas");7  canvas.width = 64;8  canvas.height = 64;9  var gl = canvas.getContext("webgl");10  var texture = gl.createTexture();11  gl.bindTexture(gl.TEXTURE_2D, texture);12  gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, video);13  var program = gl.createProgram();14  var vs = gl.createShader(gl.VERTEX_SHADER);15  gl.shaderSource(vs, "attribute vec2 aVertexPosition; \16    attribute vec2 aTextureCoord; \17    varying vec2 vTextureCoord; \18    void main() { \19      gl_Position = vec4(aVertexPosition, 0.0, 1.0); \20      vTextureCoord = aTextureCoord; \21    }");22  gl.compileShader(vs);23  var fs = gl.createShader(gl.FRAGMENT_SHADER);24  gl.shaderSource(fs, "precision mediump float; \25    varying vec2 vTextureCoord; \26    uniform sampler2D uSampler; \27    void main() { \28      gl_FragColor = texture2D(uSampler, vTextureCoord); \29    }");30  gl.compileShader(fs);31  gl.attachShader(program, vs);32  gl.attachShader(program, fs);33  gl.linkProgram(program);34  gl.useProgram(program);35  var vertices = new Float32Array([36  ]);37  var vertexBuffer = gl.createBuffer();38  gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);39  gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);40  var vertexPositionAttribute = gl.getAttribLocation(program, "aVertexPosition");41  gl.enableVertexAttribArray(vertexPositionAttribute);42  gl.vertexAttribPointer(vertexPositionAttribute, 2, gl.FLOAT, false, 0, 0);43  var texCoords = new Float32Array([

Using AI Code Generation

1function testTexImage2DFromVideoFrame() {2    var video = document.getElementById('video');3    var canvas = document.getElementById('canvas');4    var gl = canvas.getContext('webgl');5    var program = gl.createProgram();6    var vertexShader = gl.createShader(gl.VERTEX_SHADER);7    var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);8    var vertexShaderSource = "attribute vec4 a_position; attribute vec2 a_texCoord; varying vec2 v_texCoord; void main() { gl_Position = a_position; v_texCoord = a_texCoord; }";9    var fragmentShaderSource = "precision mediump float; varying vec2 v_texCoord; uniform sampler2D u_texture; void main() { gl_FragColor = texture2D(u_texture, v_texCoord); }";10    var positionLoc = 0;11    var texCoordLoc = 1;12    var positionBuffer = gl.createBuffer();13    var texCoordBuffer = gl.createBuffer();14    var positionArray = new Float32Array([-1, -1, 1, -1, -1, 1, 1, 1]);15    var texCoordArray = new Float32Array([0, 1, 1, 1, 0, 0, 1, 0]);16    var positionSize = 2;17    var texCoordSize = 2;18    var positionType = gl.FLOAT;19    var texCoordType = gl.FLOAT;20    var positionStride = 0;21    var texCoordStride = 0;22    var positionOffset = 0;23    var texCoordOffset = 0;24    var texture = gl.createTexture();25    var textureUnit = 0;26    var textureTarget = gl.TEXTURE_2D;27    var width = 0;28    var height = 0;29    var border = 0;30    var format = gl.RGBA;31    var type = gl.UNSIGNED_BYTE;32    var level = 0;33    var internalformat = gl.RGBA;34    var pixels = null;35    var srcOffset = 0;36    var dstOffset = 0;37    var rowLength = 0;38    var imageSize = 0;39    var flipY = false;40    var premultiplyAlpha = false;41    var colorSpaceConversion = "none";42    var videoFrame = null;43    var promise = null;

Using AI Code Generation

1function testTexImage2DFromVideoFrame() {2  var gl = canvas.getContext('webgl');3  var video = document.createElement('video');4  video.src = "test.mp4";5  video.play();6  var texture = gl.createTexture();7  gl.bindTexture(gl.TEXTURE_2D, texture);8  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);9  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);10  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);11  gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, video);12  gl.drawArrays(gl.TRIANGLES, 0, 6);13}

Using AI Code Generation

1testTexImage2DFromVideoFrame("testVideo", "glCanvas", "glCanvas2");2function testTexImage2DFromVideoFrame(videoId, canvasId, canvasId2) {3    var video = document.getElementById(videoId);4    var canvas = document.getElementById(canvasId);5    var canvas2 = document.getElementById(canvasId2);6    var gl = canvas.getContext("webgl");7    var gl2 = canvas2.getContext("webgl");8    var program = gl.createProgram();9    var vs = gl.createShader(gl.VERTEX_SHADER);10    gl.shaderSource(vs, `11        attribute vec3 pos;12        attribute vec2 texcoord;13        varying vec2 v_texcoord;14        void main() {15            gl_Position = vec4(pos, 1.0);16            v_texcoord = texcoord;17        }18    `);19    gl.compileShader(vs);20    gl.attachShader(program, vs);21    var fs = gl.createShader(gl.FRAGMENT_SHADER);22    gl.shaderSource(fs, `23        precision mediump float;24        varying vec2 v_texcoord;25        uniform sampler2D tex;26        void main() {27            gl_FragColor = texture2D(tex, v_texcoord);28        }29    `);30    gl.compileShader(fs);31    gl.attachShader(program, fs);32    gl.linkProgram(program);33    gl.useProgram(program);34    gl2.useProgram(program);35    var pos = gl.getAttribLocation(program, "pos");36    var texcoord = gl.getAttribLocation(program, "texcoord");37    var tex = gl.getUniformLocation(program, "tex");38    var vertices = new Float32Array([39    ]);40    var vbo = gl.createBuffer();41    gl.bindBuffer(gl.ARRAY_BUFFER, vbo);42    gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);43    gl.enableVertexAttribArray(pos);44    gl.vertexAttribPointer(pos, 3, gl.FLOAT, false, 5 * 4, 0);45    gl.enableVertexAttribArray(texcoord);46    gl.vertexAttribPointer(texcoord, 2, gl.FLOAT, false, 5 *

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