diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/ogles/ogles-utils.js')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/ogles-utils.js | 791 |
1 files changed, 791 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/ogles-utils.js b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/ogles-utils.js new file mode 100644 index 0000000000..b2a1500496 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/ogles-utils.js @@ -0,0 +1,791 @@ +/* +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +*/ +OpenGLESTestRunner = (function(){ +var wtu = WebGLTestUtils; +var gl; + +var HALF_GRID_MAX_SIZE = 32; +var KNOWN_ATTRIBS = [ + "gtf_Vertex", + "gtf_Color" +]; + +var GTFPIXELTOLERANCE = 24; +var GTFACCEPTABLEFAILURECONT = 10; +var GTFAMDPIXELTOLERANCE = 12; +var GTFSCORETOLERANCE = 0.65; +var GTFNCCTOLARANCEZERO = 0.25; +var GTFKERNALSIZE = 5; + +function log(msg) { + // debug(msg); +} + +function compareImages(refData, tstData, width, height, diff) { + function isPixelSame(offset) { + // First do simple check + if (Math.abs(refData[offset + 0] - tstData[offset + 0]) <= GTFPIXELTOLERANCE && + Math.abs(refData[offset + 1] - tstData[offset + 1]) <= GTFPIXELTOLERANCE && + Math.abs(refData[offset + 2] - tstData[offset + 2]) <= GTFPIXELTOLERANCE) { + return true; + } + + // TODO: Implement crazy check that's used in OpenGL ES 2.0 conformance tests. + // NOTE: on Desktop things seem to be working. Maybe the more complex check + // is needed for embedded systems? + return false; + } + + var same = true; + for (var yy = 0; yy < height; ++yy) { + for (var xx = 0; xx < width; ++xx) { + var offset = (yy * width + xx) * 4; + var diffOffset = ((height - yy - 1) * width + xx) * 4; + diff[diffOffset + 0] = 0; + diff[diffOffset + 1] = 0; + diff[diffOffset + 2] = 0; + diff[diffOffset + 3] = 255; + if (!isPixelSame(offset)) { + diff[diffOffset] = 255; + if (same) { + same = false; + testFailed("pixel @ (" + xx + ", " + yy + " was [" + + tstData[offset + 0] + "," + + tstData[offset + 1] + "," + + tstData[offset + 2] + "," + + tstData[offset + 3] + "] expected [" + + refData[offset + 0] + "," + + refData[offset + 1] + "," + + refData[offset + 2] + "," + + refData[offset + 3] + "]") + } + } + } + } + return same; +} + +function persp(fovy, aspect, n, f) { + var dz = f - n; + var rad = fovy / 2.0 * 3.14159265 / 180; + + var s = Math.sin(rad); + if (dz == 0 || s == 0 || aspect == 0) + return; + + var cot = Math.cos(rad) / s; + + return [ + cot / aspect, + 0.0, + 0.0, + 0.0, + + 0.0, + cot, + 0.0, + 0.0, + + 0.0, + 0.0, + -(f + n) / dz, + -1.0, + + 0.0, + 0.0, + -2.0 * f * n / dz, + 0.0 + ]; +} + +function setAttribs(attribs, buffers) { + for (var name in attribs) { + var buffer = buffers[name]; + if (!buffer) { + testFailed("no buffer for attrib:" + name); + continue; + } + var loc = attribs[name]; + log("setup attrib: " + loc + " as " + name); + var buf = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buf); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(buffer.data), gl.STATIC_DRAW); + gl.enableVertexAttribArray(loc); + gl.vertexAttribPointer(loc, buffer.numComponents, gl.FLOAT, false, 0, 0); + } +} + +function drawSquare(attribs) { + var buffers = { + "gtf_Vertex": { + data: [ + 1.0, -1.0, -2.0, + 1.0, 1.0, -2.0, + -1.0, -1.0, -2.0, + -1.0, 1.0, -2.0 + ], + numComponents: 3 + }, + "gtf_Color": { + data: [ + 0.5, 1.0, 0.0, + 0.0, 1.0, 1.0, + 1.0, 0.0, 0.0, + 0.5, 0.0, 1.0 + ], + numComponents: 3, + }, + "gtf_SecondaryColor": { + data: [ + 0.5, 0.0, 1.0, + 1.0, 0.0, 0.0, + 0.0, 1.0, 1.0, + 0.5, 1.0, 0.0 + ], + numComponents: 3, + }, + "gtf_Normal": { + data: [ + 0.5, 0.0, 1.0, + 1.0, 0.0, 0.0, + 0.0, 1.0, 1.0, + 0.5, 1.0, 0.0 + ], + numComponents: 3, + }, + "gtf_MultiTexCoord0": { + data: [ + 1.0, 0.0, + 1.0, 1.0, + 0.0, 0.0, + 0.0, 1.0 + ], + numComponents: 2, + }, + "gtf_FogCoord": { + data: [ + 0.0, + 1.0, + 0.0, + 1.0 + ], + numComponents: 1, + } + }; + setAttribs(attribs, buffers); + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); +} + +function drawFrontBackSquare(attribs) { + var front = { + "gtf_Vertex": { + data: [ + 1.0, -1.0, -2.0, + 1.0, 0.0, -2.0, + -1.0, -1.0, -2.0, + -1.0, 0.0, -2.0 + ], + numComponents: 3 + }, + "gtf_Color": { + data: [ + 0.0, 1.0, 0.0, + 0.0, 1.0, 0.0, + 0.0, 1.0, 0.0, + 0.0, 1.0, 0.0 + ], + numComponents: 3, + }, + "gtf_MultiTexCoord0": { + data: [ + 1.0, 0.0, + 1.0, 0.5, + 0.0, 0.0, + 0.0, 0.5 + ], + numComponents: 2, + } + }; + setAttribs(attribs, front); + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); + + var back = { + "gtf_Vertex": { + data: [ + 1.0, 1.0, -2.0, + 1.0, 0.0, -2.0, + -1.0, 1.0, -2.0, + -1.0, 0.0, -2.0 + ], + numComponents: 3 + }, + "gtf_Color": { + data: [ + 1.0, 0.0, 0.0, + 1.0, 0.0, 0.0, + 1.0, 0.0, 0.0, + 1.0, 0.0, 0.0 + ], + numComponents: 3, + }, + "gtf_MultiTexCoord0": { + data: [ + 1.0, 0.1, + 1.0, 0.5, + 0.0, 0.1, + 0.0, 0.5 + ], + numComponents: 2, + } + }; + setAttribs(attribs, back); + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); +} + +function drawGrid(attribs, width, height) { + var n = Math.min(Math.floor(Math.max(width, height) / 4), HALF_GRID_MAX_SIZE); + + var numVertices = (n + n) * (n + n) * 6; + + var gridVertices = []; + var gridColors = []; + var gridSecColors = []; + var gridNormals = []; + var gridFogCoords = []; + var gridTexCoords0 = []; + + var currentVertex = 0; + var currentColor = 0; + var currentSecColor = 0; + var currentTexCoord0 = 0; + var currentNormal = 0; + var currentFogCoord = 0; + + var z = -2.0; + for(var i = -n; i < n; ++i) + { + var x1 = i / n; + var x2 = (i + 1) / n; + for(var j = -n; j < n; ++j) + { + var y1 = j / n; + var y2 = (j + 1) / n; + + // VERTEX 0 + gridVertices[currentVertex++] = x1; + gridVertices[currentVertex++] = y1; + gridVertices[currentVertex++] = z; + gridColors[currentColor++] = 1.0 - (x1 + y1 + 2.0) / 4.0; + gridColors[currentColor++] = (x1 + 1.0) / 2.0; + gridColors[currentColor++] = (y1 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = 1.0 - (x2 + y2 + 2.0) / 4.0; + gridSecColors[currentSecColor++] = (x2 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = (y2 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (x1 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (y1 + 1.0) / 2.0; + gridNormals[currentNormal++] = 1.0 - (x2 + y2 + 2.0) / 4.0; + gridNormals[currentNormal++] = (x2 + 1.0) / 2.0; + gridNormals[currentNormal++] = (y2 + 1.0) / 2.0; + gridFogCoords[currentFogCoord++] = (y1 + 1.0) / 2.0; + + // VERTEX 1 + gridVertices[currentVertex++] = x2; + gridVertices[currentVertex++] = y1; + gridVertices[currentVertex++] = z; + gridColors[currentColor++] = 1.0 - (x2 + y1 + 2.0) / 4.0; + gridColors[currentColor++] = (x2 + 1.0) / 2.0; + gridColors[currentColor++] = (y1 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = 1.0 - (x1 + y2 + 2.0) / 4.0; + gridSecColors[currentSecColor++] = (x1 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = (y2 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (x2 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (y1 + 1.0) / 2.0; + gridNormals[currentNormal++] = 1.0 - (x1 + y2 + 2.0) / 4.0; + gridNormals[currentNormal++] = (x1 + 1.0) / 2.0; + gridNormals[currentNormal++] = (y2 + 1.0) / 2.0; + gridFogCoords[currentFogCoord++] = (y1 + 1.0) / 2.0; + + // VERTEX 2 + gridVertices[currentVertex++] = x2; + gridVertices[currentVertex++] = y2; + gridVertices[currentVertex++] = z; + gridColors[currentColor++] = 1.0 - (x2 + y2 + 2.0) / 4.0; + gridColors[currentColor++] = (x2 + 1.0) / 2.0; + gridColors[currentColor++] = (y2 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = 1.0 - (x1 + y1 + 2.0) / 4.0; + gridSecColors[currentSecColor++] = (x1 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = (y1 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (x2 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (y2 + 1.0) / 2.0; + gridNormals[currentNormal++] = 1.0 - (x1 + y1 + 2.0) / 4.0; + gridNormals[currentNormal++] = (x1 + 1.0) / 2.0; + gridNormals[currentNormal++] = (y1 + 1.0) / 2.0; + gridFogCoords[currentFogCoord++] = (y2 + 1.0) / 2.0; + + // VERTEX 2 + gridVertices[currentVertex++] = x2; + gridVertices[currentVertex++] = y2; + gridVertices[currentVertex++] = z; + gridColors[currentColor++] = 1.0 - (x2 + y2 + 2.0) / 4.0; + gridColors[currentColor++] = (x2 + 1.0) / 2.0; + gridColors[currentColor++] = (y2 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = 1.0 - (x1 + y1 + 2.0) / 4.0; + gridSecColors[currentSecColor++] = (x1 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = (y1 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (x2 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (y2 + 1.0) / 2.0; + gridNormals[currentNormal++] = 1.0 - (x1 + y1 + 2.0) / 4.0; + gridNormals[currentNormal++] = (x1 + 1.0) / 2.0; + gridNormals[currentNormal++] = (y1 + 1.0) / 2.0; + gridFogCoords[currentFogCoord++] = (y2 + 1.0) / 2.0; + + // VERTEX 3 + gridVertices[currentVertex++] = x1; + gridVertices[currentVertex++] = y2; + gridVertices[currentVertex++] = z; + gridColors[currentColor++] = 1.0 - (x1 + y2 + 2.0) / 4.0; + gridColors[currentColor++] = (x1 + 1.0) / 2.0; + gridColors[currentColor++] = (y2 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = 1.0 - (x2 + y1 + 2.0) / 4.0; + gridSecColors[currentSecColor++] = (x2 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = (y1 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (x1 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (y2 + 1.0) / 2.0; + gridNormals[currentNormal++] = 1.0 - (x2 + y1 + 2.0) / 4.0; + gridNormals[currentNormal++] = (x2 + 1.0) / 2.0; + gridNormals[currentNormal++] = (y1 + 1.0) / 2.0; + gridFogCoords[currentFogCoord++] = (y2 + 1.0) / 2.0; + + // VERTEX 0 + gridVertices[currentVertex++] = x1; + gridVertices[currentVertex++] = y1; + gridVertices[currentVertex++] = z; + gridColors[currentColor++] = 1.0 - (x1 + y1 + 2.0) / 4.0; + gridColors[currentColor++] = (x1 + 1.0) / 2.0; + gridColors[currentColor++] = (y1 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = 1.0 - (x2 + y2 + 2.0) / 4.0; + gridSecColors[currentSecColor++] = (x2 + 1.0) / 2.0; + gridSecColors[currentSecColor++] = (y2 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (x1 + 1.0) / 2.0; + gridTexCoords0[currentTexCoord0++] = (y1 + 1.0) / 2.0; + gridNormals[currentNormal++] = 1.0 - (x2 + y2 + 2.0) / 4.0; + gridNormals[currentNormal++] = (x2 + 1.0) / 2.0; + gridNormals[currentNormal++] = (y2 + 1.0) / 2.0; + gridFogCoords[currentFogCoord++] = (y1 + 1.0) / 2.0; + } + } + + var buffers = { + "gtf_Vertex": { data: gridVertices, numComponents: 3 }, + "gtf_Color": { data: gridColors, numComponents: 3 }, + "gtf_SecondaryColor": { data: gridSecColors, numComponents: 3 }, + "gtf_Normal": { data: gridNormals, numComponents: 3 }, + "gtf_FogCoord": { data: gridFogCoords, numComponents: 1 }, + "gtf_MultiTexCoord0": { data: gridTexCoords0, numComponents: 2 } + }; + setAttribs(attribs, buffers); + gl.drawArrays(gl.TRIANGLES, 0, numVertices); +} + +var MODEL_FUNCS = { + square: drawSquare, + frontbacksquare: drawFrontBackSquare, + grid: drawGrid +}; + +function drawWithProgram(program, programInfo, test) { + gl.useProgram(program); + var attribs = { }; + + var numAttribs = gl.getProgramParameter(program, gl.ACTIVE_ATTRIBUTES); + for (var ii = 0; ii < numAttribs; ++ii) { + var info = gl.getActiveAttrib(program, ii); + var name = info.name; + var location = gl.getAttribLocation(program, name); + attribs[name] = location; + + if (KNOWN_ATTRIBS.indexOf(name) < 0) { + testFailed("unknown attrib:" + name) + } + } + + var uniforms = { }; + var numUniforms = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS); + for (var ii = 0; ii < numUniforms; ++ii) { + var info = gl.getActiveUniform(program, ii); + var name = info.name; + if (name.match(/\[0\]$/)) { + name = name.substr(0, name.length - 3); + } + var location = gl.getUniformLocation(program, name); + uniforms[name] = {location: location}; + } + + var getUniformLocation = function(name) { + var uniform = uniforms[name]; + if (uniform) { + uniform.used = true; + return uniform.location; + } + return null; + } + + // Set known uniforms + var loc = getUniformLocation("gtf_ModelViewProjectionMatrix"); + if (loc) { + gl.uniformMatrix4fv( + loc, + false, + persp(60, 1, 1, 30)); + } + var loc = getUniformLocation("viewportwidth"); + if (loc) { + gl.uniform1f(loc, gl.canvas.width); + } + var loc = getUniformLocation("viewportheight"); + if (loc) { + gl.uniform1f(loc, gl.canvas.height); + } + + // Set test specific uniforms + for (var name in programInfo.uniforms) { + var location = getUniformLocation(name); + if (!location) { + continue; + } + var uniform = programInfo.uniforms[name]; + var type = uniform.type; + var value = uniform.value; + var transpose = uniform.transpose; + if (transpose !== undefined) { + log("gl." + type + '("' + name + '", ' + transpose + ", " + value + ")"); + gl[type](location, transpose, value); + } else if (!type.match("v$")) { + var args = [location]; + for (var ii = 0; ii < value.length; ++ii) { + args.push(value[ii]); + } + gl[type].apply(gl, args); + log("gl." + type + '("' + name + '", ' + args.slice(1) + ")"); + } else { + log("gl." + type + '("' + name + '", ' + value + ")"); + gl[type](location, value); + } + var err = gl.getError(); + if (err != gl.NO_ERROR) { + testFailed(wtu.glEnumToString(gl, err) + " generated setting uniform: " + name); + } + } + + // Filter out specified built-in uniforms + if (programInfo.builtin_uniforms) { + var num_builtins_found = 0; + var valid_values = programInfo.builtin_uniforms.valid_values; + for (var index in valid_values) { + var uniform = uniforms[valid_values[index]]; + if (uniform) { + ++num_builtins_found; + uniform.builtin = true; + } + } + + var min_required = programInfo.builtin_uniforms.min_required; + if (num_builtins_found < min_required) { + testFailed("only found " + num_builtins_found + " of " + min_required + + " required built-in uniforms: " + valid_values); + } + } + + // Check for unset uniforms + for (var name in uniforms) { + var uniform = uniforms[name]; + if (!uniform.used && !uniform.builtin) { + testFailed("uniform " + name + " never set"); + } + } + + + for (var state in test.state) { + var fields = test.state[state]; + switch (state) { + case 'depthrange': + gl.depthRange(fields.near, fields.far); + break; + default: + testFailed("unknown state: " + state) + } + } + + gl.clearColor(0, 0, 0, 0); + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); + + var model = test.model || "square"; + var fn = MODEL_FUNCS[model]; + if (!fn) { + testFailed("unknown model type: " + model) + } else { + log("draw as: " + model) + fn(attribs, gl.canvas.width, gl.canvas.height); + } + + var pixels = new Uint8Array(gl.canvas.width * gl.canvas.height * 4); + gl.readPixels(0, 0, gl.canvas.width, gl.canvas.height, gl.RGBA, gl.UNSIGNED_BYTE, pixels); + return { + width: gl.canvas.width, + height: gl.canvas.height, + pixels: pixels, + img: wtu.makeImageFromCanvas(gl.canvas) + }; +} + +function runProgram(programInfo, test, label, callback) { + var shaders = []; + var source = []; + var count = 0; + + function loadShader(path, type, index) { + wtu.loadTextFileAsync(path, function(success, text) { + addShader(success, text, type, path, index); + }); + } + + function addShader(success, text, type, path, index) { + ++count; + if (!success) { + testFailed("could not load: " + path); + } else { + var shader = wtu.loadShader(gl, text, type); + shaders.push(shader); + source[index] = text; + } + if (count == 2) { + var result; + if (shaders.length == 2) { + debug(""); + if (!quietMode()) { + var consoleDiv = document.getElementById("console"); + wtu.addShaderSources( + gl, consoleDiv, label + " vertex shader", shaders[0], source[0], + programInfo.vertexShader); + wtu.addShaderSources( + gl, consoleDiv, label + " fragment shader", shaders[1], source[1], + programInfo.fragmentShader); + } + var program = wtu.createProgram(gl, shaders[0], shaders[1]); + result = drawWithProgram(program, programInfo, test); + } + callback(result); + } + } + + loadShader(programInfo.vertexShader, gl.VERTEX_SHADER, 0); + loadShader(programInfo.fragmentShader, gl.FRAGMENT_SHADER, 1); +} + +function compareResults(expected, actual) { + var width = expected.width; + var height = expected.height; + var canvas = document.createElement("canvas"); + canvas.width = width; + canvas.height = height; + var ctx = canvas.getContext("2d"); + var imgData = ctx.getImageData(0, 0, width, height); + var tolerance = 0; + + var expData = expected.pixels; + var actData = actual.pixels; + + var same = compareImages(expData, actData, width, height, imgData.data); + + var console = document.getElementById("console"); + var diffImg = null; + if (!same) { + ctx.putImageData(imgData, 0, 0); + diffImg = wtu.makeImageFromCanvas(canvas); + } + + if (!quietMode()) { + var div = document.createElement("div"); + div.className = "testimages"; + wtu.insertImage(div, "reference", expected.img); + wtu.insertImage(div, "test", actual.img); + if (diffImg) { + wtu.insertImage(div, "diff", diffImg); + } + div.appendChild(document.createElement('br')); + + console.appendChild(div); + } + + if (!same) { + testFailed("images are different"); + } else { + testPassed("images are the same"); + } + + if (!quietMode()) + console.appendChild(document.createElement('hr')); +} + +function runCompareTest(test, callback) { + debug(""); + debug("test: " + test.name); + var results = []; + var count = 0; + + function storeResults(index) { + return function(result) { + results[index] = result; + ++count; + if (count == 2) { + compareResults(results[0], results[1]); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors"); + callback(); + } + } + } + + runProgram(test.referenceProgram, test, "reference", storeResults(0)); + runProgram(test.testProgram, test, "test", storeResults(1)); +} + +function runBuildTest(test, callback) { + debug(""); + debug("test: " + test.name); + + var shaders = [null, null]; + var source = ["",""]; + var success = [undefined, undefined]; + var count = 0; + + function loadShader(path, type, index) { + if (path == "empty") { + shaders[index] = gl.createShader(); + success[index] = true; + source[index] = "/* empty */"; + attachAndLink(); + } else { + wtu.loadTextFileAsync(path, function(loadSuccess, text) { + if (!loadSuccess) { + success[index] = false; + source[index] = "/* could not load */"; + testFailed("could not load:" + path); + } else { + source[index] = text; + shaders[index] = wtu.loadShader(gl, text, type, function(index) { + return function(msg) { + success[index] = false + } + }(index)); + if (success[index] === undefined) { + success[index] = true; + } + } + attachAndLink(); + }); + } + } + + function attachAndLink() { + ++count; + if (count == 2) { + if (!quietMode()) { + debug(""); + var c = document.getElementById("console"); + wtu.addShaderSource( + c, "vertex shader", source[0], test.testProgram.vertexShader); + debug("compile: " + (success[0] ? "success" : "fail")); + wtu.addShaderSource( + c, "fragment shader", source[1], test.testProgram.fragmentShader); + debug("compile: " + (success[1] ? "success" : "fail")); + } + compileSuccess = (success[0] && success[1]); + if (!test.compstat) { + if (compileSuccess) { + testFailed("expected compile failure but was successful"); + } else { + testPassed("expected compile failure and it failed"); + } + } else { + if (compileSuccess) { + testPassed("expected compile success and it was successful"); + } else { + testFailed("expected compile success but it failed"); + } + var linkSuccess = true; + var program = wtu.createProgram(gl, shaders[0], shaders[1], function() { + linkSuccess = false; + }); + if (linkSuccess !== test.linkstat) { + testFailed("expected link to " + (test.linkstat ? "succeed" : "fail")); + } else { + testPassed("shaders compiled and linked as expected."); + } + } + callback(); + } + } + + loadShader(test.testProgram.vertexShader, gl.VERTEX_SHADER, 0); + loadShader(test.testProgram.fragmentShader, gl.FRAGMENT_SHADER, 1); +} + +var testPatterns = { + compare: runCompareTest, + build: runBuildTest, + + dummy: null // just here to mark the end +}; + +function LogGLCall(functionName, args) { + console.log("gl." + functionName + "(" + + WebGLDebugUtils.glFunctionArgsToString(functionName, args) + ")"); +} + +// Runs the tests async since they will load shaders. +function run(obj) { + description(); + + var canvas = document.getElementById("example"); + gl = wtu.create3DContext(canvas); + if (window.WebGLDebugUtils) { + gl = WebGLDebugUtils.makeDebugContext(gl, undefined, LogGLCall); + } + if (!gl) { + testFailed("context does not exist"); + finishTest(); + return; + } + + if (gl.canvas.width != 500 || gl.canvas.height != 500) { + testFailed("canvas must be 500x500 pixels: Several shaders are hard coded to this size."); + } + + var tests = obj.tests; + var ndx = 0; + + function runNextTest() { + if (ndx < tests.length) { + var test = tests[ndx++]; + var fn = testPatterns[test.pattern]; + if (!fn) { + testFailed("test pattern: " + test.pattern + " not supoprted") + runNextTest(); + } else { + fn(test, runNextTest); + } + } else { + finishTest(); + } + } + runNextTest(); +} + +return { + run: run, +}; +}()); + |