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/*
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.
*/
'use strict';
var OutOfBoundsTest = (function() {
var runCommonInvalidValueTests = function(callTemplate, gl, wtu, ext) {
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {count: -1, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {count: 0, type: 'gl.UNSIGNED_BYTE', offset: -1}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {count: -1, type: 'gl.UNSIGNED_BYTE', offset: 1}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {count: 1, type: 'gl.UNSIGNED_BYTE', offset: -1}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {count: '0xffffffff', type: 'gl.UNSIGNED_BYTE', offset: 0}));
};
var setupProgramAndBindVertexArray = function(gl, wtu) {
var program = wtu.loadStandardProgram(gl);
gl.useProgram(program);
var vertexObject = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
gl.enableVertexAttribArray(0);
return program;
};
var setupProgram2 = function(gl, wtu) {
var vshader = [
'attribute vec3 aOne;',
'attribute vec2 aTwo;',
'void main() {',
' gl_Position = vec4(aOne, 1.0) + vec4(aTwo, 0.0, 1.0);',
'}'
].join('\n');
var fshader = [
'void main() {',
' gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);',
'}'
].join('\n');
var program = wtu.setupProgram(gl, [vshader, fshader], [ "aOne", "aTwo" ]);
if (!program) {
testFailed("failed to create test program");
}
return program;
};
var runDrawArraysTest = function(callTemplate, gl, wtu, ext) {
var program = setupProgramAndBindVertexArray(gl, wtu);
debug("Test empty buffer")
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ ]), gl.STATIC_DRAW);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {offset: 0, count: 1}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {offset: 0, count: 10000}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 1, count: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 100, count: 0}));
runCommonInvalidValueTests(callTemplate, gl, wtu, ext);
debug("")
debug("Test buffer with 3 float vectors")
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 3}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {offset: 3, count: 2}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {offset: 0, count: 10000}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 100, count: 0}));
runCommonInvalidValueTests(callTemplate, gl, wtu, ext);
debug("")
debug("Test buffer with interleaved (3+2) float vectors")
setupProgram2(gl, wtu);
var vbo = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
// enough for 9 vertices, so 3 triangles
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(9*5), gl.STATIC_DRAW);
// bind first 3 elements, with a stride of 5 float elements
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 5*4, 0);
// bind 2 elements, starting after the first 3; same stride of 5 float elements
gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 5*4, 3*4);
gl.enableVertexAttribArray(0);
gl.enableVertexAttribArray(1);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 9}));
// negative values must generate INVALID_VALUE; they can never be valid
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {offset: 0, count: -500}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {offset: -200, count: 1}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {offset: -200, count: -500}));
// 0xffffffff needs to convert to a 'long' IDL argument as -1, as per
// WebIDL 4.1.7. JS ToInt32(0xffffffff) == -1. Thus INVALID_VALUE.
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {offset: 0, count: '0xffffffff'}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {offset: '0xffffffff', count: '0xffffffff'}));
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {offset: '0xffffffff', count: 1}));
// values that could otherwise be valid but aren't due to bindings generate
// INVALID_OPERATION
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {offset: 0, count: 10000}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {offset: '0x7fffffff', count: 1}));
};
var runDrawElementsTest = function(callTemplate, gl, wtu, ext) {
var program = setupProgramAndBindVertexArray(gl, wtu);
var contextVersion = wtu.getDefault3DContextVersion();
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
debug('');
debug('Test null index buffer');
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: 0, type: 'gl.UNSIGNED_BYTE', offset: 0}));
debug('');
debug('Test empty index buffer');
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, gl.createBuffer());
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 0, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {count: 3, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {count: 10000, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {count: 1, type: 'gl.UNSIGNED_BYTE', offset: 0}));
runCommonInvalidValueTests(callTemplate, gl, wtu, ext);
debug('');
debug('Test buffer with 3 byte indexes');
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint8Array([ 0, 1, 2 ]), gl.STATIC_DRAW);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 3, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {count: 3, type: 'gl.UNSIGNED_BYTE', offset: 2}));
wtu.shouldGenerateGLError(gl, [gl.NO_ERROR, gl.INVALID_OPERATION], wtu.replaceParams(callTemplate, {count: 10000, type: 'gl.UNSIGNED_BYTE', offset: 0}));
runCommonInvalidValueTests(callTemplate, gl, wtu, ext);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 0, type: 'gl.UNSIGNED_BYTE', offset: 4}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: 10000, type: 'gl.UNSIGNED_BYTE', offset: 10000}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, 'gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1), gl.STATIC_DRAW)');
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 3, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, 'gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint8Array([ 3, 0, 1]))');
var indexValidationError = wtu.shouldGenerateGLError(gl, [gl.INVALID_OPERATION, gl.NO_ERROR], wtu.replaceParams(callTemplate, {count: 3, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, 'gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1))');
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 3, type: 'gl.UNSIGNED_BYTE', offset: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 0, type: 'gl.UNSIGNED_BYTE', offset: 0}));
debug('');
debug('Test buffer with interleaved (3+2) float vectors');
setupProgram2(gl, wtu);
var vbo = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
// enough for 9 vertices, so 3 triangles
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(9*5), gl.STATIC_DRAW);
// bind first 3 elements, with a stride of 5 float elements
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 5*4, 0);
// bind 2 elements, starting after the first 3; same stride of 5 float elements
gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 5*4, 3*4);
gl.enableVertexAttribArray(0);
gl.enableVertexAttribArray(1);
var ebo = gl.createBuffer();
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ebo);
// For WebGL 2, PRIMITIVE_RESTART_FIXED_INDEX is always enabled.
// 0xffff will be handled as a primitive restart.
if (contextVersion <= 1) {
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(
[ 0, 1, 2,
1, 2, 0,
2, 0, 1,
201, 202, 203,
0x7fff, 0x7fff, 0x7fff,
0xffff, 0xffff, 0xffff ]),
gl.STATIC_DRAW);
} else {
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(
[ 0, 1, 2,
1, 2, 0,
2, 0, 1,
201, 202, 203,
0x7fff, 0x7fff, 0x7fff,
0xffff - 1, 0xffff - 1, 0xffff - 1 ]),
gl.STATIC_DRAW);
}
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 9, type: 'gl.UNSIGNED_SHORT', offset: 0}));
// invalid operation with indices that would be valid with correct bindings
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: 9, type: 'gl.UNSIGNED_SHORT', offset: 1000}));
wtu.shouldGenerateGLError(gl, indexValidationError, wtu.replaceParams(callTemplate, {count: 12, type: 'gl.UNSIGNED_SHORT', offset: 0}));
wtu.shouldGenerateGLError(gl, indexValidationError, wtu.replaceParams(callTemplate, {count: 15, type: 'gl.UNSIGNED_SHORT', offset: 0}));
wtu.shouldGenerateGLError(gl, indexValidationError, wtu.replaceParams(callTemplate, {count: 18, type: 'gl.UNSIGNED_SHORT', offset: 0}));
wtu.shouldGenerateGLError(gl, indexValidationError, wtu.replaceParams(callTemplate, {count: 3, type: 'gl.UNSIGNED_SHORT', offset: 2*15}));
// 0xffffffff needs to convert to a 'long' IDL argument as -1, as per
// WebIDL 4.1.7. JS ToInt32(0xffffffff) == -1. Thus INVALID_VALUE.
wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, wtu.replaceParams(callTemplate, {count: '0xffffffff', type: 'gl.UNSIGNED_SHORT', offset: 0}));
// offset is defined as GLintptr, which is long long in IDL (64-bit).
// 2^32 - 1 should not overflow, and only result in INVALID_OPERATION.
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: 1, type: 'gl.UNSIGNED_SHORT', offset: '0xffffffff'}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: '0x7fffffff', type: 'gl.UNSIGNED_SHORT', offset: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 0, type: 'gl.UNSIGNED_SHORT', offset: 0}));
// invalid operation with offset that's not a multiple of the type size
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 6, type: 'gl.UNSIGNED_SHORT', offset: 0}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: 6, type: 'gl.UNSIGNED_SHORT', offset: 1}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 6, type: 'gl.UNSIGNED_SHORT', offset: 2}));
// invalid operation if no buffer is bound to ELEMENT_ARRAY_BUFFER
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: 6, type: 'gl.UNSIGNED_SHORT', offset: 0}));
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ebo);
debug('');
debug('Test buffer setting attrib 0 to a buffer too small and disable it.');
var smallVBO = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, smallVBO);
gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0x10);
gl.disableVertexAttribArray(0);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {count: 6, type: 'gl.UNSIGNED_SHORT', offset: 2}));
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {count: 6, type: 'gl.UNSIGNED_SHORT', offset: 2}));
};
var runInstancedTest = function(callTemplate, gl, wtu, ext) {
setupProgram2(gl, wtu);
// Initialize non-instanced attribute data.
// Enough for 9 vertices, so 3 triangles.
var vbo = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(9*3), gl.STATIC_DRAW);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
// Setup buffer for instanced attribute data.
var vbo2 = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vbo2);
gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray(0);
gl.enableVertexAttribArray(1);
debug('Test out-of-range instanced attributes');
debug('');
debug('Test with an empty buffer for the instanced attribute');
ext.vertexAttribDivisorANGLE(1, 1);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 10000, primcount: 0}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 1}));
debug('Test with a buffer with 1 float for the instanced attribute');
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(1), gl.STATIC_DRAW);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 0}));
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 10000, primcount: 0}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 1}));
debug('');
debug('Test with a buffer with 2 floats for the instanced attribute');
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(2), gl.STATIC_DRAW);
debug('Divisor 1');
ext.vertexAttribDivisorANGLE(1, 1);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 1}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 2}));
debug('Divisor 3');
ext.vertexAttribDivisorANGLE(1, 3);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 3}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 4}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 10000}));
debug('');
debug('Test with a buffer with 4 floats for the instanced attribute');
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(4), gl.STATIC_DRAW);
debug('Divisor 1');
ext.vertexAttribDivisorANGLE(1, 1);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 2}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 3}));
debug('Divisor 2');
ext.vertexAttribDivisorANGLE(1, 2);
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 4}));
wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, wtu.replaceParams(callTemplate, {offset: 0, count: 9, primcount: 5}));
};
var runDrawArraysInstancedTest = function(callTemplate, gl, wtu, ext) {
runInstancedTest(callTemplate, gl, wtu, ext);
};
var runDrawElementsInstancedTest = function(callTemplate, gl, wtu, ext) {
var ebo = gl.createBuffer();
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ebo);
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint8Array(
[ 0, 1, 2,
5, 4, 3,
6, 7, 8 ]),
gl.STATIC_DRAW);
callTemplate = wtu.replaceParams(callTemplate, {type: 'gl.UNSIGNED_BYTE', offset: '$(offset)', count: '$(count)', primcount: '$(primcount)'});
runInstancedTest(callTemplate, gl, wtu, ext);
};
return {
runDrawArraysTest: runDrawArraysTest,
runDrawArraysInstancedTest: runDrawArraysInstancedTest,
runDrawElementsTest: runDrawElementsTest,
runDrawElementsInstancedTest: runDrawElementsInstancedTest
};
})();
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