1 files changed, 108 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/attribs/gl-vertex-attrib-i-render.html b/dom/canvas/test/webgl-conf/checkout/conformance2/attribs/gl-vertex-attrib-i-render.html
new file mode 100644
index 0000000000..5fcbc786fe
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/attribs/gl-vertex-attrib-i-render.html
@@ -0,0 +1,108 @@
+<!--
+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.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<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>
+<script id='vshader' type='x-shader/x-vertex'>#version 300 es
+layout(location=0) in ivec2 p;
+layout(location=1) in ivec4 a;
+void main()
+{
+    gl_Position = vec4(p.x + a.x + a.y + a.z + a.w, p.y, 0.0, 10.0);
+}
+</script>
+<script id='vshader_unsigned' type='x-shader/x-vertex'>#version 300 es
+layout(location=0) in ivec2 p;
+layout(location=1) in uvec4 a;
+void main()
+{
+    gl_Position = vec4(p.x + int(a.x + a.y + a.z + a.w), p.y, 0.0, 10.0);
+}
+</script>
+<script id='fshader' type='x-shader/x-fragment'>#version 300 es
+precision mediump float;
+layout(location=0) out vec4 oColor;
+void main()
+{
+    oColor = vec4(1.0, 0.0, 0.0, 1.0);
+}
+</script>
+<script>
+"use strict";
+function checkRedPortion(gl, w, low, high) {
+    var buf = new Uint8Array(w * w * 4);
+    gl.readPixels(0, 0, w, w, gl.RGBA, gl.UNSIGNED_BYTE, buf);
+    var i = 0;
+    for (; i < w; ++i) {
+        if (buf[i * 4 + 0] == 255 && buf[i * 4 + 1] == 0 && buf[i * 4 + 2] == 0 && buf[i * 4 + 3] == 255) {
+            break;
+        }
+    }
+    return low <= i && i <= high;
+}
+
+function runTest() {
+    var wtu = WebGLTestUtils;
+    var gl = wtu.create3DContext('testbed', { preserveDrawingBuffer : true }, 2);
+    if (!gl) {
+        testFailed('could not create context');
+        return;
+    }
+    var program = wtu.setupProgram(gl, ['vshader', 'fshader']);
+    var program_unsigned = wtu.setupProgram(gl, ['vshader_unsigned', 'fshader']);
+
+    gl.enableVertexAttribArray(0);
+    var pos = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, pos);
+    gl.bufferData(gl.ARRAY_BUFFER, new Int32Array([-10, -10, 10, -10, -10, 10, 10, 10]), gl.STATIC_DRAW);
+
+    gl.vertexAttribIPointer(0, 2, gl.INT, 4 * 2, 0);
+
+    debug('Test vertexAttribI4[ui][v] by setting different combinations that add up to 15 and use that when rendering.');
+    var vals = [[2, -3, 6, 10], [1, 3, 1, 10], [-10, 3, 2, 20], [5, 6, 2, 2]];
+    var tests = ['vertexAttribI4i', 'vertexAttribI4ui', 'vertexAttribI4iv', 'vertexAttribI4uiv'];
+
+    for (var ii = 0; ii < 4; ++ii) {
+        if (ii % 2 == 0) {
+            gl.useProgram(program);
+        } else {
+            gl.useProgram(program_unsigned);
+        }
+        gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+        if (ii < 2) {
+            gl[tests[ii]](1, vals[ii][0], vals[ii][1], vals[ii][2], vals[ii][3]);
+        } else {
+            gl[tests[ii]](1, vals[ii]);
+        }
+        gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
+
+        if (checkRedPortion(gl, 50, 50 * 0.7, 50 * 0.8)) {
+            testPassed('Attribute of ' + tests[ii] + ' was set correctly');
+        } else {
+            testFailed('Attribute of ' + tests[ii] + ' was not set correctly');
+        }
+    }
+}
+</script>
+</head>
+<body>
+<canvas id="testbed" width="50" height="50"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+description('Verify that using constant attributes for vertexAttribI* works.');
+runTest();
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+</body>
+</html>