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-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/attribs/gl-vertexattribipointer.html | 126 |
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/attribs/gl-vertexattribipointer.html b/dom/canvas/test/webgl-conf/checkout/conformance2/attribs/gl-vertexattribipointer.html new file mode 100644 index 0000000000..ecefc6d4e0 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/attribs/gl-vertexattribipointer.html @@ -0,0 +1,126 @@ +<!-- +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"> +<title>WebGL vertexAttribIPointer 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> +<div id="description"></div> +<div id="console"></div> +<canvas id="canvas" width="2" height="2"> </canvas> +<script> +"use strict"; +description("This test checks vertexAttribIPointer behaviors in WebGL 2."); + +debug(""); +debug("Canvas.getContext"); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("canvas", undefined, 2); +if (!gl) { + testFailed("context does not exist"); +} else { + testPassed("context exists"); + + debug(""); + debug("Checking gl.vertexAttribIPointer."); + + gl.vertexAttribIPointer(0, 3, gl.INT, 0, 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, + "vertexAttribIPointer should succeed if no buffer is bound and offset is zero"); + + gl.vertexAttribIPointer(0, 3, gl.INT, 0, 12); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, + "vertexAttribIPointer should fail if no buffer is bound and offset is non-zero"); + + var vertexObject = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); + gl.bufferData(gl.ARRAY_BUFFER, new Int32Array(0), gl.STATIC_DRAW); + + gl.vertexAttribIPointer(0, 1, gl.FLOAT, 0, 0); + wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, + "vertexAttribIPointer should not support FLOAT"); + + var checkVertexAttribIPointer = function( + gl, err, reason, size, type, stride, offset) { + gl.vertexAttribIPointer(0, size, type, stride, offset); + wtu.glErrorShouldBe(gl, err, + "gl.vertexAttribIPointer(0, " + size + + ", gl." + wtu.glEnumToString(gl, type) + + ", " + stride + + ", " + offset + + ") should " + (err == gl.NO_ERROR ? "succeed " : "fail ") + reason); + } + + var types = [ + { type:gl.BYTE, bytesPerComponent: 1 }, + { type:gl.UNSIGNED_BYTE, bytesPerComponent: 1 }, + { type:gl.SHORT, bytesPerComponent: 2 }, + { type:gl.UNSIGNED_SHORT, bytesPerComponent: 2 }, + { type:gl.INT, bytesPerComponent: 4 }, + { type:gl.UNSIGNED_INT, bytesPerComponent: 4 }, + ]; + + for (var ii = 0; ii < types.length; ++ii) { + var info = types[ii]; + debug(""); + for (var size = 1; size <= 4; ++size) { + debug(""); + debug("checking: " + wtu.glEnumToString(gl, info.type) + " with size " + size); + var bytesPerElement = size * info.bytesPerComponent; + var offsetSet = [ + 0, + 1, + info.bytesPerComponent - 1, + info.bytesPerComponent, + info.bytesPerComponent + 1, + info.bytesPerComponent * 2]; + for (var jj = 0; jj < offsetSet.length; ++jj) { + var offset = offsetSet[jj]; + for (var kk = 0; kk < offsetSet.length; ++kk) { + var stride = offsetSet[kk]; + var err = gl.NO_ERROR; + var reason = "" + if (offset % info.bytesPerComponent != 0) { + reason = "because offset is bad"; + err = gl.INVALID_OPERATION; + } + if (stride % info.bytesPerComponent != 0) { + reason = "because stride is bad"; + err = gl.INVALID_OPERATION; + } + checkVertexAttribIPointer( + gl, err, reason, size, info.type, stride, offset); + } + var stride = Math.floor(255 / info.bytesPerComponent) * info.bytesPerComponent; + + if (offset == 0) { + checkVertexAttribIPointer( + gl, gl.NO_ERROR, "at stride limit", + size, info.type, stride, offset); + checkVertexAttribIPointer( + gl, gl.INVALID_VALUE, "over stride limit", + size, info.type, stride + info.bytesPerComponent, offset); + } + } + } + } +} + +debug(""); +var successfullyParsed = true; + +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |