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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/uninitialized-local-global-variables.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/uninitialized-local-global-variables.html | 274 |
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/uninitialized-local-global-variables.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/uninitialized-local-global-variables.html new file mode 100644 index 0000000000..d0552af096 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/uninitialized-local-global-variables.html @@ -0,0 +1,274 @@ +<!-- +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>Uninitialized local/global variables should be initialized</title> +<link rel="stylesheet" href="../../../resources/js-test-style.css"/> +<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/> +<script src="../../../js/js-test-pre.js"></script> +<script src="../../../js/webgl-test-utils.js"> </script> + +<script id="vs_uninit_in_frag" type="x-shader/x-vertex"> +precision mediump float; +attribute vec4 a_position; +void main() { + gl_Position = a_position; +} +</script> + +<!-- Uninitialized local in vertex shader --> +<script id="vs_uninit_local_in_vert" type="x-shader/x-vertex"> +precision mediump float; +attribute vec4 a_position; +varying vec3 v_uninit; +void main() { + vec3 uninit; // uninitialized + v_uninit = uninit; + gl_Position = a_position; +} +</script> +<script id="fs_uninit_local_in_vert" type="x-shader/x-fragment"> +precision mediump float; +varying vec3 v_uninit; +void main() { + gl_FragColor = v_uninit.xyzz; +} +</script> + +<!-- Uninitialized local in fragment shader --> +<script id="fs_uninit_local_in_frag" type="x-shader/x-fragment"> +precision mediump float; +void main() { + vec2 uninit; // uninitialized + gl_FragColor = uninit.xyyy; +} +</script> + +<!-- Uninitialized global in vertex shader --> +<script id="vs_uninit_global_in_vert" type="x-shader/x-vertex"> +precision mediump float; +attribute vec4 a_position; +varying float v_uninit; +float uninit; // uninitialized +void main() { + v_uninit = uninit; + gl_Position = a_position; +} +</script> +<script id="fs_uninit_global_in_vert" type="x-shader/x-fragment"> +precision mediump float; +varying float v_uninit; +void main() { + gl_FragColor = vec4(v_uninit); +} +</script> + +<!-- Uninitialized global in fragment shader --> +<script id="fs_uninit_global_in_frag" type="x-shader/x-fragment"> +precision mediump float; +vec4 uninit; // uninitialized +void main() { + gl_FragColor = uninit; +} +</script> + +<!-- Uninitialized local int in fragment shader --> +<script id="fs_uninit_local_int_in_frag" type="x-shader/x-fragment"> +precision mediump float; +void main() { + int uninit; + gl_FragColor = vec4(uninit); +} +</script> + +<!-- Uninitialized local variable and another variable in the same declaration using it as an initializer in fragment shader --> +<script id="fs_uninit_two_local_variables_in_declaration_in_frag" type="x-shader/x-fragment"> +precision mediump float; +void main() { + vec2 uninit, uninit2 = uninit; + gl_FragColor = uninit2.xyyy; +} +</script> + +<!-- Uninitialized local array and another variable in the same declaration using it in its initializer in fragment shader --> +<script id="fs_uninit_array_and_another_in_declaration_in_frag" type="x-shader/x-fragment"> +precision mediump float; +void main() { + vec2 uninit[2], uninit2 = uninit[0]; + gl_FragColor = uninit2.xyyy; +} +</script> + +<!-- Uninitialized global int in fragment shader --> +<script id="fs_uninit_global_int_in_frag" type="x-shader/x-fragment"> +precision mediump float; +int uninit; // uninitialized +void main() { + gl_FragColor = vec4(uninit); +} +</script> + +<!-- Uninitialized local struct in fragment shader --> +<script id="fs_uninit_local_struct_in_frag" type="x-shader/x-fragment"> +precision mediump float; +struct S { vec4 v; }; +void main() { + S uninit; // uninitialized + gl_FragColor = uninit.v; +} +</script> + +<!-- Uninitialized global struct in fragment shader --> +<script id="fs_uninit_global_struct_in_frag" type="x-shader/x-fragment"> +precision mediump float; +struct S { vec4 v; }; +S uninit; // uninitialized +void main() { + gl_FragColor = uninit.v; +} +</script> + +<!-- Uninitialized nameless local struct in fragment shader --> +<script id="fs_uninit_nameless_local_struct_in_frag" type="x-shader/x-fragment"> +precision mediump float; +void main() { + struct { vec4 v; } uninit; // uninitialized + gl_FragColor = uninit.v; +} +</script> + +<!-- Uninitialized nameless global struct in fragment shader --> +<script id="fs_uninit_nameless_global_struct_in_frag" type="x-shader/x-fragment"> +precision mediump float; +struct { vec4 v; } uninit; // uninitialized +void main() { + gl_FragColor = uninit.v; +} +</script> + +<!-- Uninitialized local bool in fragment shader --> +<script id="fs_uninit_local_bool_in_frag" type="x-shader/x-fragment"> +precision mediump float; +void main() { + bool uninit[16]; // uninitialized + bool result; + for (int i = 0; i < 16; i++) { + result = result || uninit[i]; + } + gl_FragColor = result ? vec4(1, 0, 0, 1) : vec4(0); +} +</script> + +<!-- Uninitialized global bool in fragment shader --> +<script id="fs_uninit_global_bool_in_frag" type="x-shader/x-fragment"> +precision mediump float; +bool uninit[16]; // uninitialized +void main() { + bool result = false; + for (int i = 0; i < 16; i++) { + result = result || uninit[i]; + } + gl_FragColor = result ? vec4(1, 0, 0, 1) : vec4(0); +} +</script> + +</head> +<body> +<canvas id="canvas" width="50" height="50"></canvas> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; +description('Uninitialized local/global variables should be initialized: http://anglebug.com/1966'); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("canvas"); +wtu.setupUnitQuad(gl); + +var cases = [ + { + name: "Uninitialized local variable in vertex shader", + prog: ["vs_uninit_local_in_vert", "fs_uninit_local_in_vert"], + }, + { + name: "Uninitialized local variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_local_in_frag"], + }, + { + name: "Uninitialized global variable in vertex shader", + prog: ["vs_uninit_global_in_vert", "fs_uninit_global_in_vert"], + }, + { + name: "Uninitialized global variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_global_in_frag"], + }, + { + name: "Uninitialized local int variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_local_int_in_frag"], + }, + { + name: "Uninitialized local variable and another variable in the same declaration using it as an initializer in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_two_local_variables_in_declaration_in_frag"], + }, + { + name: "Uninitialized local array and another variable in the same declaration using it in its initializer in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_array_and_another_in_declaration_in_frag"], + }, + { + name: "Uninitialized global int variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_global_int_in_frag"], + }, + { + name: "Uninitialized local struct variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_local_struct_in_frag"], + }, + { + name: "Uninitialized global struct variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_global_struct_in_frag"], + }, + { + name: "Uninitialized nameless local struct variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_nameless_local_struct_in_frag"], + }, + { + name: "Uninitialized nameless global struct variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_nameless_global_struct_in_frag"], + }, + { + name: "Uninitialized local bool array variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_local_bool_in_frag"], + }, + { + name: "Uninitialized global bool array variable in fragment shader", + prog: ["vs_uninit_in_frag", "fs_uninit_global_bool_in_frag"], + }, +]; + +function runTest() { + for (var i = 0; i < cases.length; ++i) { + debug(""); + debug(cases[i].name); + var program = wtu.setupProgram(gl, cases[i].prog, ["a_position"], undefined, true); + gl.clearColor(1.0, 0.0, 0.0, 1.0); + wtu.clearAndDrawUnitQuad(gl); + wtu.checkCanvas(gl, [0, 0, 0, 0]); + } + + debug(""); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors"); +} + +runTest(); + +var successfullyParsed = true; +</script> +<script src="../../../js/js-test-post.js"></script> +</body> +</html> + |