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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-15 03:35:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-15 03:35:49 +0000
commitd8bbc7858622b6d9c278469aab701ca0b609cddf (patch)
treeeff41dc61d9f714852212739e6b3738b82a2af87 /dom/canvas/test/webgl-conf/checkout/conformance2/extensions/webgl-provoking-vertex.html
parentReleasing progress-linux version 125.0.3-1~progress7.99u1. (diff)
downloadfirefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.tar.xz
firefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.zip
Merging upstream version 126.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/extensions/webgl-provoking-vertex.html')
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+<!--
+Copyright (c) 2022 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.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL WEBGL_provoking_vertex Conformance Tests</title>
+<LINK rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/js-test-pre.js"></script>
+<script src="../../js/webgl-test-utils.js"></script>
+</head>
+<body>
+<canvas width="16" height="16" id="c"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+description("This test verifies the functionality of the WEBGL_provoking_vertex extension, if it is available.");
+
+debug("");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("c", null, 2);
+var ext;
+
+function runTestNoExtension() {
+ debug("");
+ debug("Check getParameter without the extension");
+ shouldBeNull("gl.getParameter(0x8E4F /* PROVOKING_VERTEX_WEBGL */)");
+ wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "parameter unknown without enabling the extension");
+ debug("");
+}
+
+function runTestExtension() {
+ debug("");
+ debug("Check enums");
+ shouldBe("ext.FIRST_VERTEX_CONVENTION_WEBGL", "0x8E4D");
+ shouldBe("ext.LAST_VERTEX_CONVENTION_WEBGL", "0x8E4E");
+ shouldBe("ext.PROVOKING_VERTEX_WEBGL", "0x8E4F");
+
+ debug("");
+ debug("Check default state");
+ shouldBe("gl.getParameter(ext.PROVOKING_VERTEX_WEBGL)", "ext.LAST_VERTEX_CONVENTION_WEBGL");
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "parameter known with the extension enabled");
+
+ debug("");
+ debug("Check state updates");
+ ext.provokingVertexWEBGL(ext.FIRST_VERTEX_CONVENTION_WEBGL);
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "provokingVertexWEBGL(ext.FIRST_VERTEX_CONVENTION_WEBGL) generates no errors");
+ shouldBe("gl.getParameter(ext.PROVOKING_VERTEX_WEBGL)", "ext.FIRST_VERTEX_CONVENTION_WEBGL");
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR);
+ ext.provokingVertexWEBGL(ext.LAST_VERTEX_CONVENTION_WEBGL);
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "provokingVertexWEBGL(ext.LAST_VERTEX_CONVENTION_WEBGL) generates no errors");
+ shouldBe("gl.getParameter(ext.PROVOKING_VERTEX_WEBGL)", "ext.LAST_VERTEX_CONVENTION_WEBGL");
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR);
+
+ debug("");
+ debug("Check invalid provoking vertex mode");
+ ext.provokingVertexWEBGL(ext.FIRST_VERTEX_CONVENTION_WEBGL);
+ ext.provokingVertexWEBGL(ext.PROVOKING_VERTEX_WEBGL);
+ wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "invalid provoking mode generates an error");
+ shouldBe("gl.getParameter(ext.PROVOKING_VERTEX_WEBGL)", "ext.FIRST_VERTEX_CONVENTION_WEBGL");
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR);
+
+ debug("");
+ debug("Check provoking vertex operation");
+
+ const vs = `#version 300 es
+ in int intAttrib;
+ in vec2 position;
+ flat out int attrib;
+ void main() {
+ gl_Position = vec4(position, 0, 1);
+ attrib = intAttrib;
+ }`;
+
+ const fs = `#version 300 es
+ flat in int attrib;
+ out int fragColor;
+ void main() {
+ fragColor = attrib;
+ }`;
+
+ const program = wtu.setupProgram(gl, [vs, fs]);
+ gl.useProgram(program);
+
+ const tex = gl.createTexture();
+ gl.bindTexture(gl.TEXTURE_2D, tex);
+ gl.texStorage2D(gl.TEXTURE_2D, 1, gl.R32I, 16, 16);
+
+ const fb = gl.createFramebuffer();
+ gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
+ gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
+
+ const vb = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, vb);
+ const buf = new ArrayBuffer(36);
+ new Float32Array(buf, 0, 6).set([-1.0, -1.0, 3.0, -1.0, -1.0, 3.0]);
+ new Int32Array(buf, 24, 3).set([1, 2, 3]);
+ gl.bufferData(gl.ARRAY_BUFFER, buf, gl.STATIC_DRAW);
+
+ const positionLocation = gl.getAttribLocation(program, "position");
+ gl.enableVertexAttribArray(positionLocation);
+ gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
+
+ const intAttribLocation = gl.getAttribLocation(program, "intAttrib");
+ gl.enableVertexAttribArray(intAttribLocation);
+ gl.vertexAttribIPointer(intAttribLocation, 1, gl.INT, 0, 24);
+
+ const pixel = new Int32Array(4);
+
+ ext.provokingVertexWEBGL(ext.LAST_VERTEX_CONVENTION_WEBGL);
+ gl.clearBufferiv(gl.COLOR, 0, new Int32Array(4));
+ gl.drawArrays(gl.TRIANGLES, 0, 3);
+ gl.readPixels(0, 0, 1, 1, gl.RGBA_INTEGER, gl.INT, pixel);
+
+ if (pixel[0] == 3) {
+ testPassed("Correct last provoking vertex");
+ } else {
+ testFailed("Incorrect last provoking vertex");
+ }
+
+ ext.provokingVertexWEBGL(ext.FIRST_VERTEX_CONVENTION_WEBGL);
+ gl.clearBufferiv(gl.COLOR, 0, new Int32Array(4));
+ gl.drawArrays(gl.TRIANGLES, 0, 3);
+ gl.readPixels(0, 0, 1, 1, gl.RGBA_INTEGER, gl.INT, pixel);
+
+ if (pixel[0] == 1) {
+ testPassed("Correct first provoking vertex");
+ } else {
+ testFailed("Incorrect first provoking vertex");
+ }
+}
+
+function runTest() {
+ if (!gl) {
+ testFailed("context does not exist");
+ } else {
+ testPassed("context exists");
+
+ runTestNoExtension();
+
+ ext = gl.getExtension("WEBGL_provoking_vertex");
+
+ wtu.runExtensionSupportedTest(gl, "WEBGL_provoking_vertex", ext !== null);
+
+ if (ext !== null) {
+ runTestExtension();
+ } else {
+ testPassed("No WEBGL_provoking_vertex support -- this is legal");
+ }
+ }
+}
+
+runTest();
+
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+</body>
+</html>
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