260 lines
12 KiB
JavaScript
260 lines
12 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 imgCanvas;
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var redColor = [255, 0, 0];
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var greenColor = [0, 255, 0];
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var blueColor = [0, 0, 255];
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var cyanColor = [0, 255, 255];
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var imageURLs = [resourcePath + "red-green.png",
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resourcePath + "red-green-blue-cyan-4x4.png"];
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function init()
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{
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description('Verify texImage3D and texSubImage3D code paths taking image 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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greenColor = [0, 0, 0];
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blueColor = [0, 0, 0];
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cyanColor = [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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blueColor = [0, 0, 0];
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cyanColor = [0, 255, 0];
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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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wtu.loadImagesAsync(imageURLs, runTest);
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}
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function uploadImageToTexture(image, useTexSubImage3D, flipY, bindingTarget,
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depth, sourceSubRectangle, unpackImageHeight)
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{
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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// Disable any writes to the alpha channel
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gl.colorMask(1, 1, 1, 0);
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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_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_R, gl.CLAMP_TO_EDGE);
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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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gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
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var uploadWidth = image.width;
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var uploadHeight = image.height;
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if (sourceSubRectangle) {
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gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, sourceSubRectangle[0]);
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gl.pixelStorei(gl.UNPACK_SKIP_ROWS, sourceSubRectangle[1]);
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uploadWidth = sourceSubRectangle[2];
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uploadHeight = sourceSubRectangle[3];
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}
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if (unpackImageHeight) {
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gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, unpackImageHeight);
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}
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// Upload the image into the texture
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if (useTexSubImage3D) {
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// Initialize the texture to black first
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gl.texImage3D(bindingTarget, 0, gl[internalFormat], uploadWidth, uploadHeight, depth, 0,
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gl[pixelFormat], gl[pixelType], null);
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gl.texSubImage3D(bindingTarget, 0, 0, 0, 0, uploadWidth, uploadHeight, depth,
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gl[pixelFormat], gl[pixelType], image);
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} else {
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gl.texImage3D(bindingTarget, 0, gl[internalFormat], uploadWidth, uploadHeight, depth, 0,
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gl[pixelFormat], gl[pixelType], image);
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}
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gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, 0);
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gl.pixelStorei(gl.UNPACK_SKIP_ROWS, 0);
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gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, 0);
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from texture upload");
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}
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function runRedGreenTest(image) {
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function runOneIteration(image, useTexSubImage3D, flipY, bindingTarget, topColor, bottomColor, program)
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{
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debug('Testing ' + (useTexSubImage3D ? 'texSubImage3D' : 'texImage3D') +
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' with flipY=' + flipY + ' bindingTarget=' +
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(bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY'));
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uploadImageToTexture(image, useTexSubImage3D, flipY, bindingTarget, 1);
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// Draw the triangles
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wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]);
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// Check a few pixels near the top and bottom and make sure they have
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// the right color.
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debug("Checking lower left corner");
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wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
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"shouldBe " + bottomColor);
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debug("Checking upper left corner");
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wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
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"shouldBe " + topColor);
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}
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var cases = [
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{ sub: false, flipY: true, topColor: redColor, bottomColor: greenColor },
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{ sub: false, flipY: false, topColor: greenColor, bottomColor: redColor },
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{ sub: true, flipY: true, topColor: redColor, bottomColor: greenColor },
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{ sub: true, flipY: false, topColor: greenColor, bottomColor: redColor },
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];
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var program = tiu.setupTexturedQuadWith3D(gl, internalFormat);
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for (var i in cases) {
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runOneIteration(image, cases[i].sub, cases[i].flipY, gl.TEXTURE_3D,
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cases[i].topColor, cases[i].bottomColor, program);
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}
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program = tiu.setupTexturedQuadWith2DArray(gl, internalFormat);
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for (var i in cases) {
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runOneIteration(image, cases[i].sub, cases[i].flipY, gl.TEXTURE_2D_ARRAY,
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cases[i].topColor, cases[i].bottomColor, program);
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}
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}
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function runRedGreenBlueCyanTest(image) {
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function runOneIteration(image, useTexSubImage3D, flipY, bindingTarget,
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depth, sourceSubRectangle, unpackImageHeight,
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rTextureCoord, topColor, bottomColor, program)
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{
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sourceSubRectangleString = '';
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if (sourceSubRectangle) {
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sourceSubRectangleString = ' sourceSubRectangle=' + sourceSubRectangle;
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}
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unpackImageHeightString = '';
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if (unpackImageHeight) {
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unpackImageHeightString = ' unpackImageHeight=' + unpackImageHeight;
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}
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debug('Testing ' + (useTexSubImage3D ? 'texSubImage3D' : 'texImage3D') +
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' with flipY=' + flipY + ' bindingTarget=' +
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(bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY') +
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sourceSubRectangleString + ' depth=' + depth + unpackImageHeightString +
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' rTextureCoord=' + rTextureCoord);
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uploadImageToTexture(image, useTexSubImage3D, flipY, bindingTarget,
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depth, sourceSubRectangle, unpackImageHeight);
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var rCoordLocation = gl.getUniformLocation(program, 'uRCoord');
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if (!rCoordLocation) {
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testFailed('Shader incorrectly set up; couldn\'t find uRCoord uniform');
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return;
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}
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gl.uniform1f(rCoordLocation, rTextureCoord);
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// Draw the triangles
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wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]);
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// Check a few pixels near the top and bottom and make sure they have
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// the right color.
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debug("Checking lower left corner");
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wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
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"shouldBe " + bottomColor);
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debug("Checking upper left corner");
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wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
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"shouldBe " + topColor);
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}
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var cases = [
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// No UNPACK_IMAGE_HEIGHT specified.
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{ flipY: false, sourceSubRectangle: [0, 0, 2, 2], depth: 2, rTextureCoord: 0.0,
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topColor: redColor, bottomColor: redColor },
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{ flipY: false, sourceSubRectangle: [0, 0, 2, 2], depth: 2, rTextureCoord: 1.0,
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topColor: blueColor, bottomColor: blueColor },
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{ flipY: true, sourceSubRectangle: [0, 0, 2, 2], depth: 2, rTextureCoord: 0.0,
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topColor: blueColor, bottomColor: blueColor },
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{ flipY: true, sourceSubRectangle: [0, 0, 2, 2], depth: 2, rTextureCoord: 1.0,
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topColor: redColor, bottomColor: redColor },
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{ flipY: false, sourceSubRectangle: [2, 0, 2, 2], depth: 2, rTextureCoord: 0.0,
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topColor: greenColor, bottomColor: greenColor },
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{ flipY: false, sourceSubRectangle: [2, 0, 2, 2], depth: 2, rTextureCoord: 1.0,
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topColor: cyanColor, bottomColor: cyanColor },
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{ flipY: true, sourceSubRectangle: [2, 0, 2, 2], depth: 2, rTextureCoord: 0.0,
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topColor: cyanColor, bottomColor: cyanColor },
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{ flipY: true, sourceSubRectangle: [2, 0, 2, 2], depth: 2, rTextureCoord: 1.0,
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topColor: greenColor, bottomColor: greenColor },
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// Use UNPACK_IMAGE_HEIGHT to skip some pixels.
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{ flipY: false, sourceSubRectangle: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0,
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topColor: redColor, bottomColor: redColor },
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{ flipY: false, sourceSubRectangle: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0,
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topColor: blueColor, bottomColor: blueColor },
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{ flipY: true, sourceSubRectangle: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0,
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topColor: blueColor, bottomColor: blueColor },
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{ flipY: true, sourceSubRectangle: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0,
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topColor: redColor, bottomColor: redColor },
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{ flipY: false, sourceSubRectangle: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0,
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topColor: greenColor, bottomColor: greenColor },
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{ flipY: false, sourceSubRectangle: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0,
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topColor: cyanColor, bottomColor: cyanColor },
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{ flipY: true, sourceSubRectangle: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0,
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topColor: cyanColor, bottomColor: cyanColor },
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{ flipY: true, sourceSubRectangle: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0,
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topColor: greenColor, bottomColor: greenColor },
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];
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var program = tiu.setupTexturedQuadWith3D(gl, internalFormat);
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for (var i in cases) {
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runOneIteration(image, false, cases[i].flipY, gl.TEXTURE_3D,
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cases[i].depth, cases[i].sourceSubRectangle,
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cases[i].unpackImageHeight, cases[i].rTextureCoord,
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cases[i].topColor, cases[i].bottomColor,
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program);
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runOneIteration(image, true, cases[i].flipY, gl.TEXTURE_3D,
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cases[i].depth, cases[i].sourceSubRectangle,
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cases[i].unpackImageHeight, cases[i].rTextureCoord,
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cases[i].topColor, cases[i].bottomColor,
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program);
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}
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program = tiu.setupTexturedQuadWith2DArray(gl, internalFormat);
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for (var i in cases) {
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runOneIteration(image, false, cases[i].flipY, gl.TEXTURE_2D_ARRAY,
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cases[i].depth, cases[i].sourceSubRectangle,
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cases[i].unpackImageHeight, cases[i].rTextureCoord,
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cases[i].topColor, cases[i].bottomColor,
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program);
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runOneIteration(image, true, cases[i].flipY, gl.TEXTURE_2D_ARRAY,
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cases[i].depth, cases[i].sourceSubRectangle,
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cases[i].unpackImageHeight, cases[i].rTextureCoord,
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cases[i].topColor, cases[i].bottomColor,
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program);
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}
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}
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function runTest(imageMap)
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{
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runRedGreenTest(imageMap[imageURLs[0]]);
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runRedGreenBlueCyanTest(imageMap[imageURLs[1]]);
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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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return init;
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}
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