summaryrefslogtreecommitdiffstats
path: root/third_party/WebKit/LayoutTests/fast/canvas/webgl/oes-element-index-uint.html
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/WebKit/LayoutTests/fast/canvas/webgl/oes-element-index-uint.html')
-rw-r--r--third_party/WebKit/LayoutTests/fast/canvas/webgl/oes-element-index-uint.html421
1 files changed, 0 insertions, 421 deletions
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/webgl/oes-element-index-uint.html b/third_party/WebKit/LayoutTests/fast/canvas/webgl/oes-element-index-uint.html
deleted file mode 100644
index 1cbf42c..0000000
--- a/third_party/WebKit/LayoutTests/fast/canvas/webgl/oes-element-index-uint.html
+++ /dev/null
@@ -1,421 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<meta charset="utf-8">
-<title>WebGL OES_element_index_uint Conformance Tests</title>
-<script src="resources/desktop-gl-constants.js" type="text/javascript"></script>
-<script src="../../../resources/js-test.js"></script>
-<script src="resources/webgl-test.js"></script>
-<script src="resources/webgl-test-utils.js"></script>
-</head>
-<body>
-<div id="description"></div>
-<canvas id="canvas" style="width: 50px; height: 50px;"> </canvas>
-<div id="console"></div>
-<script id="vs" type="x-shader/x-vertex">
-attribute vec4 vPosition;
-attribute vec4 vColor;
-varying vec4 color;
-void main() {
- gl_Position = vPosition;
- color = vColor;
-}
-</script>
-<script id="fs" type="x-shader/x-fragment">
-#if defined(GL_ES)
-precision mediump float;
-#endif
-varying vec4 color;
-void main() {
- gl_FragColor = color;
-}
-</script>
-<script>
-description("This test verifies the functionality of the OES_element_index_uint extension, if it is available.");
-
-debug("");
-
-if (window.internals)
- window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
-
-var wtu = WebGLTestUtils;
-var canvas = document.getElementById("canvas");
-var gl = create3DContext(canvas);
-var ext = null;
-var vao = null;
-
-if (!gl) {
- testFailed("WebGL context does not exist");
-} else {
- testPassed("WebGL context exists");
-
- // Query the extension and store globally so shouldBe can access it
- ext = gl.getExtension("OES_element_index_uint");
- if (!ext) {
- testPassed("No OES_element_index_uint support -- this is legal");
-
- runSupportedTest(false);
- } else {
- testPassed("Successfully enabled OES_element_index_uint extension");
-
- runSupportedTest(true);
- runDrawTests();
-
- // These tests are tweaked duplicates of the buffers/index-validation* tests
- // using unsigned int indices to ensure that behavior remains consistent
- runIndexValidationTests();
- runCopiesIndicesTests();
- runResizedBufferTests();
- runVerifiesTooManyIndicesTests();
- runCrashWithBufferSubDataTests();
-
- glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
- }
-}
-
-function runSupportedTest(extensionEnabled) {
- var supported = gl.getSupportedExtensions();
- if (supported.indexOf("OES_element_index_uint") >= 0) {
- if (extensionEnabled) {
- testPassed("OES_element_index_uint listed as supported and getExtension succeeded");
- } else {
- testFailed("OES_element_index_uint listed as supported but getExtension failed");
- }
- } else {
- if (extensionEnabled) {
- testFailed("OES_element_index_uint not listed as supported but getExtension succeeded");
- } else {
- testPassed("OES_element_index_uint not listed as supported and getExtension failed -- this is legal");
- }
- }
-}
-
-function runDrawTests() {
- debug("Test that draws with unsigned integer indices produce the expected results");
-
- canvas.width = 50; canvas.height = 50;
- gl.viewport(0, 0, canvas.width, canvas.height);
-
- var program = wtu.setupSimpleTextureProgram(gl);
-
- function setupDraw(s) {
- // Create a vertex buffer that cannot be fully indexed via shorts
- var quadArrayLen = 65537 * 3;
- var quadArray = new Float32Array(quadArrayLen);
-
- // Leave all but the last 4 values zero-ed out
- var idx = quadArrayLen - 12;
-
- // Initialized the last 4 values to a quad
- quadArray[idx++] = 1.0 * s;
- quadArray[idx++] = 1.0 * s;
- quadArray[idx++] = 0.0;
-
- quadArray[idx++] = -1.0 * s;
- quadArray[idx++] = 1.0 * s;
- quadArray[idx++] = 0.0;
-
- quadArray[idx++] = -1.0 * s;
- quadArray[idx++] = -1.0 * s;
- quadArray[idx++] = 0.0;
-
- quadArray[idx++] = 1.0 * s;
- quadArray[idx++] = -1.0 * s;
- quadArray[idx++] = 0.0;
-
- var vertexObject = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
- gl.bufferData(gl.ARRAY_BUFFER, quadArray, gl.STATIC_DRAW);
-
- // Create an unsigned int index buffer that indexes the last 4 vertices
- var baseIndex = (quadArrayLen / 3) - 4;
-
- var indexObject = gl.createBuffer();
- gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexObject);
- gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint32Array([
- baseIndex + 0,
- baseIndex + 1,
- baseIndex + 2,
- baseIndex + 2,
- baseIndex + 3,
- baseIndex + 0]), gl.STATIC_DRAW);
-
- var opt_positionLocation = 0;
- gl.enableVertexAttribArray(opt_positionLocation);
- gl.vertexAttribPointer(opt_positionLocation, 3, gl.FLOAT, false, 0, 0);
- };
- function readLocation(x, y) {
- var pixels = new Uint8Array(1 * 1 * 4);
- gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
- return pixels;
- };
- function testPixel(blackList, whiteList) {
- function testList(list, expected) {
- for (var n = 0; n < list.length; n++) {
- var l = list[n];
- var x = -Math.floor(l * canvas.width / 2) + canvas.width / 2;
- var y = -Math.floor(l * canvas.height / 2) + canvas.height / 2;
- var source = readLocation(x, y);
- if (Math.abs(source[0] - expected) > 2) {
- return false;
- }
- }
- return true;
- }
- return testList(blackList, 0) && testList(whiteList, 255);
- };
- function verifyDraw(drawNumber, s) {
- gl.clearColor(1.0, 1.0, 1.0, 1.0);
- gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
- gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_INT, 0);
-
- var blackList = [];
- var whiteList = [];
- var points = [0.0, 0.2, 0.4, 0.6, 0.8, 1.0];
- for (var n = 0; n < points.length; n++) {
- if (points[n] <= s) {
- blackList.push(points[n]);
- } else {
- whiteList.push(points[n]);
- }
- }
- if (testPixel(blackList, whiteList)) {
- testPassed("Draw " + drawNumber + " passed pixel test");
- } else {
- testFailed("Draw " + drawNumber + " failed pixel test");
- }
- };
-
- setupDraw(0.5);
- verifyDraw(0, 0.5);
-}
-
-function runIndexValidationTests() {
- description("Tests that index validation verifies the correct number of indices");
-
- function sizeInBytes(type) {
- switch (type) {
- case gl.BYTE:
- case gl.UNSIGNED_BYTE:
- return 1;
- case gl.SHORT:
- case gl.UNSIGNED_SHORT:
- return 2;
- case gl.INT:
- case gl.UNSIGNED_INT:
- case gl.FLOAT:
- return 4;
- default:
- throw "unknown type";
- }
- }
-
- var program = loadStandardProgram(gl);
-
- // 3 vertices => 1 triangle, interleaved data
- var dataComplete = new Float32Array([0, 0, 0, 1,
- 0, 0, 1,
- 1, 0, 0, 1,
- 0, 0, 1,
- 1, 1, 1, 1,
- 0, 0, 1]);
- var dataIncomplete = new Float32Array([0, 0, 0, 1,
- 0, 0, 1,
- 1, 0, 0, 1,
- 0, 0, 1,
- 1, 1, 1, 1]);
- var indices = new Uint32Array([0, 1, 2]);
-
- debug("Testing with valid indices");
-
- var bufferComplete = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, bufferComplete);
- gl.bufferData(gl.ARRAY_BUFFER, dataComplete, gl.STATIC_DRAW);
- var elements = gl.createBuffer();
- gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elements);
- gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);
- gl.useProgram(program);
- var vertexLoc = gl.getAttribLocation(program, "a_vertex");
- var normalLoc = gl.getAttribLocation(program, "a_normal");
- gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 0);
- gl.enableVertexAttribArray(vertexLoc);
- gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));
- gl.enableVertexAttribArray(normalLoc);
- shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE');
- glErrorShouldBe(gl, gl.NO_ERROR);
- shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_INT, 0)');
- glErrorShouldBe(gl, gl.NO_ERROR);
-
- debug("Testing with out-of-range indices");
-
- var bufferIncomplete = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, bufferIncomplete);
- gl.bufferData(gl.ARRAY_BUFFER, dataIncomplete, gl.STATIC_DRAW);
- gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 0);
- gl.enableVertexAttribArray(vertexLoc);
- gl.disableVertexAttribArray(normalLoc);
- debug("Enable vertices, valid");
- glErrorShouldBe(gl, gl.NO_ERROR);
- shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_INT, 0)');
- glErrorShouldBe(gl, gl.NO_ERROR);
- debug("Enable normals, out-of-range");
- gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));
- gl.enableVertexAttribArray(normalLoc);
- glErrorShouldBe(gl, gl.NO_ERROR);
- shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_INT, 0)');
- glErrorShouldBe(gl, gl.INVALID_OPERATION);
-
- debug("Test with enabled attribute that does not belong to current program");
-
- gl.disableVertexAttribArray(normalLoc);
- var extraLoc = Math.max(vertexLoc, normalLoc) + 1;
- gl.enableVertexAttribArray(extraLoc);
- debug("Enable an extra attribute with null");
- glErrorShouldBe(gl, gl.NO_ERROR);
- shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_INT, 0)');
- glErrorShouldBe(gl, gl.INVALID_OPERATION);
- debug("Enable an extra attribute with insufficient data buffer");
- gl.vertexAttribPointer(extraLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));
- glErrorShouldBe(gl, gl.NO_ERROR);
- shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_INT, 0)');
- debug("Pass large negative index to vertexAttribPointer");
- gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), -2000000000 * sizeInBytes(gl.FLOAT));
- glErrorShouldBe(gl, gl.INVALID_VALUE);
- shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_INT, 0)');
- gl.disableVertexAttribArray(vertexLoc);
-}
-
-function runCopiesIndicesTests() {
- debug("Test that client data is always copied during bufferData and bufferSubData calls");
-
- var program = loadStandardProgram(gl);
-
- gl.useProgram(program);
- var vertexObject = gl.createBuffer();
- gl.enableVertexAttribArray(0);
- gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
- // 4 vertices -> 2 triangles
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0,0, 0,1,0, 1,0,0, 1,1,0 ]), gl.STATIC_DRAW);
- gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
-
- var indexObject = gl.createBuffer();
-
- gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexObject);
- var indices = new Uint32Array([ 10000, 0, 1, 2, 3, 10000 ]);
- gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);
- shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 4)");
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 0)");
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 8)");
- indices[0] = 2;
- indices[5] = 1;
- shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 4)");
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 0)");
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 8)");
-}
-
-function runResizedBufferTests() {
- debug("Test that updating the size of a vertex buffer is properly noticed by the WebGL implementation.");
-
- var program = wtu.setupProgram(gl, ["vs", "fs"], ["vPosition", "vColor"]);
- glErrorShouldBe(gl, gl.NO_ERROR, "after initialization");
-
- var vertexObject = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(
- [-1,1,0, 1,1,0, -1,-1,0,
- -1,-1,0, 1,1,0, 1,-1,0]), gl.STATIC_DRAW);
- gl.enableVertexAttribArray(0);
- gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
- glErrorShouldBe(gl, gl.NO_ERROR, "after vertex setup");
-
- var texCoordObject = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, texCoordObject);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(
- [0,0, 1,0, 0,1,
- 0,1, 1,0, 1,1]), gl.STATIC_DRAW);
- gl.enableVertexAttribArray(1);
- gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0);
- glErrorShouldBe(gl, gl.NO_ERROR, "after texture coord setup");
-
- // Now resize these buffers because we want to change what we're drawing.
- gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
- -1,1,0, 1,1,0, -1,-1,0, 1,-1,0,
- -1,1,0, 1,1,0, -1,-1,0, 1,-1,0]), gl.STATIC_DRAW);
- glErrorShouldBe(gl, gl.NO_ERROR, "after vertex redefinition");
- gl.bindBuffer(gl.ARRAY_BUFFER, texCoordObject);
- gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array([
- 255, 0, 0, 255,
- 255, 0, 0, 255,
- 255, 0, 0, 255,
- 255, 0, 0, 255,
- 0, 255, 0, 255,
- 0, 255, 0, 255,
- 0, 255, 0, 255,
- 0, 255, 0, 255]), gl.STATIC_DRAW);
- gl.vertexAttribPointer(1, 4, gl.UNSIGNED_BYTE, false, 0, 0);
- glErrorShouldBe(gl, gl.NO_ERROR, "after texture coordinate / color redefinition");
-
- var numQuads = 2;
- var indices = new Uint32Array(numQuads * 6);
- for (var ii = 0; ii < numQuads; ++ii) {
- var offset = ii * 6;
- var quad = (ii == (numQuads - 1)) ? 4 : 0;
- indices[offset + 0] = quad + 0;
- indices[offset + 1] = quad + 1;
- indices[offset + 2] = quad + 2;
- indices[offset + 3] = quad + 2;
- indices[offset + 4] = quad + 1;
- indices[offset + 5] = quad + 3;
- }
- var indexObject = gl.createBuffer();
- gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexObject);
- gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);
- glErrorShouldBe(gl, gl.NO_ERROR, "after setting up indices");
- gl.drawElements(gl.TRIANGLES, numQuads * 6, gl.UNSIGNED_INT, 0);
- glErrorShouldBe(gl, gl.NO_ERROR, "after drawing");
-}
-
-function runVerifiesTooManyIndicesTests() {
- description("Tests that index validation for drawElements does not examine too many indices");
-
- var program = loadStandardProgram(gl);
-
- gl.useProgram(program);
- var vertexObject = gl.createBuffer();
- gl.enableVertexAttribArray(0);
- gl.disableVertexAttribArray(1);
- gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
- // 4 vertices -> 2 triangles
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0,0, 0,1,0, 1,0,0, 1,1,0 ]), gl.STATIC_DRAW);
- gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
-
- var indexObject = gl.createBuffer();
-
- debug("Test out of range indices")
- gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexObject);
- gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint32Array([ 10000, 0, 1, 2, 3, 10000 ]), gl.STATIC_DRAW);
- shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 4)");
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 0)");
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, 8)");
-}
-
-function runCrashWithBufferSubDataTests() {
- debug('Verifies that the index validation code which is within bufferSubData does not crash.')
-
- var elementBuffer = gl.createBuffer();
- gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elementBuffer);
- gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, 256, gl.STATIC_DRAW);
- var data = new Uint32Array(127);
- gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 64, data);
- glErrorShouldBe(gl, gl.INVALID_VALUE, "after attempting to update a buffer outside of the allocated bounds");
- testPassed("bufferSubData, when buffer object was initialized with null, did not crash");
-}
-
-debug("");
-successfullyParsed = true;
-isSuccessfullyParsed();
-
-</script>
-</body>
-</html>