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content/canvas/test/webgl-conformance/conformance/rendering/draw-elements-out-of-bounds.html@deefc01c0e14

content/canvas/test/webgl-conformance/conformance/rendering/draw-elements-out-of-bounds.html

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     1 <!--

     2 Copyright (C) 2011 Apple Computer, Inc.  All rights reserved.

     3 

     4 Redistribution and use in source and binary forms, with or without

     5 modification, are permitted provided that the following conditions

     6 are met:

     7 1. Redistributions of source code must retain the above copyright

     8    notice, this list of conditions and the following disclaimer.

     9 2. Redistributions in binary form must reproduce the above copyright

    10    notice, this list of conditions and the following disclaimer in the

    11    documentation and/or other materials provided with the distribution.

    12 

    13 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16 PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    24 -->

    25 <!DOCTYPE html>

    26 <html>

    27 <head>

    28 <meta charset="utf-8">

    29 <link rel="stylesheet" href="../../resources/js-test-style.css"/>

    30 <script src="../../resources/js-test-pre.js"></script>

    31 <script src="../resources/webgl-test.js"></script>

    32 </head>

    33 <body>

    34 <div id="description"></div>

    35 <div id="console"></div>

    36 

    37 <script>

    38 description("Test of drawElements with out-of-bounds parameters");

    39 

    40 var context = create3DContext();

    41 var program = loadStandardProgram(context);

    42 

    43 context.useProgram(program);

    44 var vertexObject = context.createBuffer();

    45 context.enableVertexAttribArray(0);

    46 context.bindBuffer(context.ARRAY_BUFFER, vertexObject);

    47 context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), context.STATIC_DRAW);

    48 context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0);

    49 

    50 var indexObject = context.createBuffer();

    51 

    52 debug("Test empty index buffer")

    53 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject);

    54 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([  ]), context.STATIC_DRAW);

    55 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");

    56 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)");

    57 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)");

    58 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)");

    59 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, 0)");

    60 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)");

    61 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 0)");

    62 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)");

    63 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)");

    64 

    65 debug("")

    66 debug("Test buffer with 3 byte indexes")

    67 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject);

    68 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([ 0, 1, 2 ]), context.STATIC_DRAW);

    69 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");

    70 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_INT, 0)");

    71 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(0x0009, 3, context.UNSIGNED_BYTE, 0)"); // GL_POLYGON

    72 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 2)");

    73 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)");

    74 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)");

    75 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)");

    76 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)");

    77 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)");

    78 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)");

    79 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 4)");

    80 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0xffffffff, context.UNSIGNED_BYTE, 0)");

    81 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0)");

    82 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0x7fffffff)");

    83 

    84 shouldGenerateGLError(context, context.NO_ERROR, "context.bufferData(context.ELEMENT_ARRAY_BUFFER, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1), context.STATIC_DRAW)");

    85 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");

    86 shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.ELEMENT_ARRAY_BUFFER, 0, new Uint8Array([ 3, 0, 1]))");

    87 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");

    88 shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.ELEMENT_ARRAY_BUFFER, 0, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1))");

    89 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");

    90 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 0)");

    91 

    92 debug("")

    93 debug("Test buffer with interleaved (3+2) float vectors")

    94 

    95 var program2 = createProgram(context,

    96                              "attribute vec3 aOne;" +

    97                              "attribute vec2 aTwo;" +

    98                              "void main() { gl_Position = vec4(aOne, 1.0) + vec4(aTwo, 0.0, 1.0); }",

    99                              "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }",

   100                              [ "aOne", "aTwo" ]);

   101 if (!program2) {

   102     testFailed("failed to create test program");

   103 }

   104 

   105 context.useProgram(program2);

   106 

   107 var vbo = context.createBuffer();

   108 context.bindBuffer(context.ARRAY_BUFFER, vbo);

   109 // enough for 9 vertices, so 3 triangles

   110 context.bufferData(context.ARRAY_BUFFER, new Float32Array(9*5), context.STATIC_DRAW);

   111 

   112 // bind first 3 elements, with a stride of 5 float elements

   113 context.vertexAttribPointer(0, 3, context.FLOAT, false, 5*4, 0);

   114 // bind 2 elements, starting after the first 3; same stride of 5 float elements

   115 context.vertexAttribPointer(1, 2, context.FLOAT, false, 5*4, 3*4);

   116 

   117 context.enableVertexAttribArray(0);

   118 context.enableVertexAttribArray(1);

   119 

   120 var ebo = context.createBuffer();

   121 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo);

   122 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array(

   123     [ 0, 1, 2,

   124       1, 2, 0,

   125       2, 0, 1,

   126       200, 200, 200,

   127       0x7fff, 0x7fff, 0x7fff,

   128       0xffff, 0xffff, 0xffff ]),

   129     context.STATIC_DRAW);

   130 

   131 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_SHORT, 0)");

   132 

   133 // invalid type arguments

   134 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.FLOAT, 0)");

   135 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.SHORT, 0)");

   136 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_INT, 0)");

   137 

   138 // invalid operation with indices that would be valid with correct bindings

   139 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_SHORT, 1000)");

   140 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 12, context.UNSIGNED_SHORT, 0)");

   141 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 15, context.UNSIGNED_SHORT, 0)");

   142 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 18, context.UNSIGNED_SHORT, 0)");

   143 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_SHORT, 2*15)");

   144 

   145 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0xffffffff, context.UNSIGNED_SHORT, 0)");

   146 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_SHORT, 0)");

   147 

   148 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_SHORT, 0)");

   149 

   150 // invalid operation with offset that's not a multiple of the type size

   151 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 0)");

   152 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 1)");

   153 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");

   154 

   155 // invalid operation if no buffer is bound to ELEMENT_ARRAY_BUFFER

   156 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null);

   157 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 0)");

   158 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo);

   159 

   160 debug("")

   161 debug("Test buffer setting attrib 0 to a buffer too small and disable it.");

   162 var smallVBO = context.createBuffer();

   163 shouldBeNonNull('smallVBO');

   164 context.bindBuffer(context.ARRAY_BUFFER, smallVBO);

   165 context.bufferData(context.ARRAY_BUFFER, 1, context.STATIC_DRAW);

   166 context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0x10);

   167 context.disableVertexAttribArray(0);

   168 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");

   169 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null);

   170 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");

   171 debug("")

   172 successfullyParsed = true;

   173 </script>

   174 

   175 <script>finishTest();</script>

   176 </body>

   177 </html>

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