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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/attribs/gl-vertexattribpointer.html')
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/attribs/gl-vertexattribpointer.html b/dom/canvas/test/webgl-conf/checkout/conformance/attribs/gl-vertexattribpointer.html new file mode 100644 index 0000000000..1276cec7c9 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/attribs/gl-vertexattribpointer.html @@ -0,0 +1,171 @@ +<!-- +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 vertexAttribPointer 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 vertexAttribPointer behaviors in WebGL."); + +debug(""); +debug("Canvas.getContext"); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("canvas"); +if (!gl) { + testFailed("context does not exist"); +} else { + testPassed("context exists"); + + debug(""); + debug("Checking gl.vertexAttribPointer."); + + if (!gl.FIXED) { + gl.FIXED = 0x140C; + } + + var vertexObject = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(0), gl.STATIC_DRAW); + + + gl.bindBuffer(gl.ARRAY_BUFFER, null); + gl.vertexAttribPointer(0, 1, gl.FLOAT, false, 0, 4); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, + "vertexAttribPointer should fail if no buffer is bound and `offset` is non-zero."); + + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); + gl.vertexAttribPointer(0, 1, gl.FLOAT, false, 0, 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR); + + gl.bindBuffer(gl.ARRAY_BUFFER, null); + gl.vertexAttribPointer(0, 1, gl.FLOAT, false, 0, 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, + "vertexAttribPointer should succeed if no buffer is bound and `offset` is zero."); + + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); + + + if (wtu.getDefault3DContextVersion() < 2) { + gl.vertexAttribPointer(0, 1, gl.INT, 0, 0, 0); + wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, + "vertexAttribPointer should not support INT"); + gl.vertexAttribPointer(0, 1, gl.UNSIGNED_INT, 0, 0, 0); + wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, + "vertexAttribPointer should not support UNSIGNED_INT"); + } + gl.vertexAttribPointer(0, 1, gl.FIXED, 0, 0, 0); + wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, + "vertexAttribPointer should not support FIXED"); + + var checkVertexAttribPointer = function( + gl, err, reason, size, type, normalize, stride, offset) { + gl.vertexAttribPointer(0, size, type, normalize, stride, offset); + var succeeded = (err == gl.NO_ERROR); + wtu.glErrorShouldBe(gl, err, + "gl.vertexAttribPointer(0, " + size + + ", gl." + wtu.glEnumToString(gl, type) + + ", " + normalize + + ", " + stride + + ", " + offset + + ") should " + (succeeded ? "succeed " : "fail ") + reason); + if (succeeded) { + shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_SIZE)', size.toString()); + shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_TYPE)', 'gl.' + wtu.glEnumToString(gl, type)); + shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_NORMALIZED)', normalize.toString()); + shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_STRIDE)', stride.toString()); + shouldBe('gl.getVertexAttribOffset(0, gl.VERTEX_ATTRIB_ARRAY_POINTER)', offset.toString()); + } + } + + 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.FLOAT, bytesPerComponent: 4 }, + ]; + + if (wtu.getDefault3DContextVersion() >= 2) { + types.push(...[ + { type:gl.INT, bytesPerComponent: 4 }, + { type:gl.UNSIGNED_INT, bytesPerComponent: 4 }, + { type:gl.HALF_FLOAT, bytesPerComponent: 2 }, + { type:gl.INT_2_10_10_10_REV, bytesPerComponent: 4, minSize: 4 }, + { type:gl.UNSIGNED_INT_2_10_10_10_REV, bytesPerComponent: 4, minSize: 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; + } + if (size < info.minSize) { + reason = "because size < minSize"; + err = gl.INVALID_OPERATION; + } + checkVertexAttribPointer( + gl, err, reason, size, info.type, false, stride, offset); + } + var stride = Math.floor(255 / info.bytesPerComponent) * info.bytesPerComponent; + + if (offset == 0) { + checkVertexAttribPointer( + gl, size < info.minSize ? gl.INVALID_OPERATION : gl.NO_ERROR, "at stride limit", + size, info.type, false, stride, offset); + checkVertexAttribPointer( + gl, size < info.minSize ? [gl.INVALID_OPERATION, gl.INVALID_VALUE] : gl.INVALID_VALUE, "over stride limit", + size, info.type, false, + stride + info.bytesPerComponent, offset); + } + } + } + } +} + +debug(""); +var successfullyParsed = true; + +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |