226 lines
8.5 KiB
JavaScript
226 lines
8.5 KiB
JavaScript
/*
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Copyright (c) 2019 The Khronos Group Inc.
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Use of this source code is governed by an MIT-style license that can be
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found in the LICENSE.txt file.
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*/
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function generateTest(internalFormat, pixelFormat, pixelType, prologue, resourcePath, defaultContextVersion) {
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var wtu = WebGLTestUtils;
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var tiu = TexImageUtils;
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var gl = null;
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var successfullyParsed = false;
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var whiteColor = [255, 255, 255, 255];
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var redColor = [255, 0, 0];
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var greenColor = [0, 255, 0];
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function init()
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{
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description('Verify texImage3D and texSubImage3D code paths taking canvas elements (' + internalFormat + '/' + pixelFormat + '/' + pixelType + ')');
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// Set the default context version while still allowing the webglVersion URL query string to override it.
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wtu.setDefault3DContextVersion(defaultContextVersion);
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gl = wtu.create3DContext("example");
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if (!prologue(gl)) {
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finishTest();
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return;
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}
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switch (gl[pixelFormat]) {
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case gl.RED:
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case gl.RED_INTEGER:
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whiteColor = [255, 0, 0, 255];
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greenColor = [0, 0, 0];
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break;
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case gl.RG:
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case gl.RG_INTEGER:
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whiteColor = [255, 255, 0, 255];
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break;
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default:
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break;
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}
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gl.clearColor(0,0,0,1);
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gl.clearDepth(1);
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runTest();
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}
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function setCanvasToRedGreen(ctx) {
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var width = ctx.canvas.width;
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var height = ctx.canvas.height;
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var halfHeight = Math.floor(height / 2);
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ctx.fillStyle = "#ff0000";
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ctx.fillRect(0, 0, width, halfHeight);
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ctx.fillStyle = "#00ff00";
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ctx.fillRect(0, halfHeight, width, height - halfHeight);
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}
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function drawTextInCanvas(ctx, bindingTarget) {
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var width = ctx.canvas.width;
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var height = ctx.canvas.height;
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ctx.fillStyle = "#ffffff";
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ctx.fillRect(0, 0, width, height);
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ctx.font = '20pt Arial';
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ctx.fillStyle = 'black';
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ctx.textAlign = "center";
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ctx.textBaseline = "middle";
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ctx.fillText("1234567890", width / 2, height / 4);
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}
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function setCanvasTo257x257(ctx, bindingTarget) {
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ctx.canvas.width = 257;
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ctx.canvas.height = 257;
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setCanvasToRedGreen(ctx);
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}
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function setCanvasToMin(ctx, bindingTarget) {
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if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
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// cube map texture must be square.
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ctx.canvas.width = 2;
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} else {
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ctx.canvas.width = 1;
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}
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ctx.canvas.height = 2;
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setCanvasToRedGreen(ctx);
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}
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function runOneIteration(canvas, flipY, program, bindingTarget, opt_texture, opt_fontTest)
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{
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var objType = 'canvas';
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if (canvas.transferToImageBitmap)
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objType = 'OffscreenCanvas';
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debug('Testing ' + ' with flipY=' + flipY + ' bindingTarget=' + (bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY') +
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' source object: ' + objType + ' canvas size: ' + canvas.width + 'x' + canvas.height + (opt_fontTest ? " with fonts" : " with red-green"));
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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if (!opt_texture) {
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var texture = gl.createTexture();
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// Bind the texture to texture unit 0
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gl.bindTexture(bindingTarget, texture);
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// Set up texture parameters
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gl.texParameteri(bindingTarget, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
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gl.texParameteri(bindingTarget, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
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gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_R, gl.CLAMP_TO_EDGE);
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gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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} else {
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var texture = opt_texture;
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}
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// Set up pixel store parameters
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gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
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gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
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wtu.failIfGLError(gl, 'gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);');
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// Initialize the texture to black first
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gl.texImage3D(bindingTarget, 0, gl[internalFormat], canvas.width, canvas.height, 1 /* depth */, 0,
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gl[pixelFormat], gl[pixelType], null);
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gl.texSubImage3D(bindingTarget, 0, 0, 0, 0, canvas.width, canvas.height, 1 /* depth */,
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gl[pixelFormat], gl[pixelType], canvas);
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var width = gl.canvas.width;
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var height = gl.canvas.height;
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var halfHeight = Math.floor(height / 2);
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var top = flipY ? 0 : (height - halfHeight);
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var bottom = flipY ? (height - halfHeight) : 0;
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// Draw the triangles
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wtu.clearAndDrawUnitQuad(gl, [0, 255, 0, 255]);
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if (opt_fontTest) {
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// check half is a solid color.
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wtu.checkCanvasRect(
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gl, 0, top, width, halfHeight,
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whiteColor,
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"should be white");
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// check other half is not a solid color.
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wtu.checkCanvasRectColor(
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gl, 0, bottom, width, halfHeight,
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whiteColor, 0,
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function() {
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testFailed("font missing");
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},
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function() {
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testPassed("font renderered");
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},
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debug);
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} else {
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// Check the top and bottom halves and make sure they have the right color.
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debug("Checking " + (flipY ? "top" : "bottom"));
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wtu.checkCanvasRect(gl, 0, bottom, width, halfHeight, redColor,
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"shouldBe " + redColor);
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debug("Checking " + (flipY ? "bottom" : "top"));
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wtu.checkCanvasRect(gl, 0, top, width, halfHeight, greenColor,
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"shouldBe " + greenColor);
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}
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return texture;
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}
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function runTest(canvas)
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{
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var canvas = document.createElement('canvas');
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var cases = [
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{ canvas: canvas, flipY: true, font: false, init: setCanvasToMin },
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{ canvas: canvas, flipY: false, font: false },
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{ canvas: canvas, flipY: true, font: false, init: setCanvasTo257x257 },
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{ canvas: canvas, flipY: false, font: false },
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{ canvas: canvas, flipY: true, font: true, init: drawTextInCanvas },
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{ canvas: canvas, flipY: false, font: true },
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];
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if (window.OffscreenCanvas) {
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var offscreenCanvas = new OffscreenCanvas(1, 1);
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cases = cases.concat([
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{ canvas: offscreenCanvas, flipY: true, font: false, init: setCanvasToMin },
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{ canvas: offscreenCanvas, flipY: false, font: false },
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]);
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}
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function runTexImageTest(bindingTarget) {
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var program;
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if (bindingTarget == gl.TEXTURE_3D) {
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program = tiu.setupTexturedQuadWith3D(gl, internalFormat);
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} else { // TEXTURE_2D_ARRAY
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program = tiu.setupTexturedQuadWith2DArray(gl, internalFormat);
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}
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return new Promise(function(resolve, reject) {
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var count = 4;
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var caseNdx = 0;
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var texture = undefined;
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function runNextTest() {
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var c = cases[caseNdx];
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if (c.init) {
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c.init(c.canvas.getContext('2d'), bindingTarget);
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}
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texture = runOneIteration(c.canvas, c.flipY, program, bindingTarget, texture, c.font);
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// for the first 2 iterations always make a new texture.
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if (count < 2) {
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gl.deleteTexture(texture);
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texture = undefined;
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}
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++caseNdx;
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if (caseNdx == cases.length) {
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caseNdx = 0;
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--count;
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if (!count) {
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resolve("SUCCESS");
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return;
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}
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}
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wtu.waitForComposite(runNextTest);
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}
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runNextTest();
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});
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}
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runTexImageTest(gl.TEXTURE_3D).then(function(val) {
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runTexImageTest(gl.TEXTURE_2D_ARRAY).then(function(val) {
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
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finishTest();
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});
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});
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}
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return init;
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}
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