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Unified Diff: conformance/more/conformance/webGLArrays.html

Issue 8342021: Add webgl conformance tests r15841. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 9 years, 2 months ago
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Index: conformance/more/conformance/webGLArrays.html
===================================================================
--- conformance/more/conformance/webGLArrays.html (revision 0)
+++ conformance/more/conformance/webGLArrays.html (revision 0)
@@ -0,0 +1,159 @@
+<!DOCTYPE html>
+<html><head>
+<meta charset="utf-8">
+<link rel="stylesheet" type="text/css" href="../unit.css" />
+<script type="application/x-javascript" src="../unit.js"></script>
+<script type="application/x-javascript" src="../util.js"></script>
+
+<script type="application/x-javascript">
+
+function assertIdxs(name, arr, length) {
+// assertOk(name+": Read with negative idx should work", function(){ return arr[-1] });
+// assertOk(name+": Read with too large idx should work", function(){ return arr[length] });
+// assertOk(name+": Write with negative idx should work", function(){ arr[-1] = 0 });
+// assertOk(name+": Write with too large idx should work", function(){ arr[length] = 0 });
+// arr[0] = 2;
+// assertEquals(name+": Test that write worked", 2, arr[0]);
+// assertOk(name+": Write with bad value should work", function(){ arr[0] = {x:"foo"} });
+// assertEquals(name+": Test that bad write didn't work", 2, arr[0]);
+ assertOk(name+": Read and writes with OK idxs should work", function(){
+ for (var i=0; i<length; i++) arr[i] = i + 1;
+ for (var i=0; i<length; i++) arr[i] = arr[i] + 1;
+ for (var i=0; i<length; i++) assertEquals(name+": Test that reads and writes work", i+2, arr[i]);
+ });
+}
+
+Tests.startUnit = function () {
+ var canvas = document.getElementById('gl');
+ var gl = wrapGLContext(canvas.getContext(GL_CONTEXT_ID));
+ prog = new Shader(gl, 'vert', 'frag');
+ prog.use();
+ prog.uniform4f('c', 255, 0, 0, 255);
+ va = prog.attrib('Vertex');
+ buffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+ return [gl];
+}
+
+Tests.endUnit = function() {
+ prog.destroy();
+}
+
+Tests.testCreateFromArray = function() {
+ var a = new Float32Array([1,2,3,4,5,6]);
+ assertIdxs('Float', a, 6);
+ var a = new Int32Array([1,2,3,4,5,6]);
+ assertIdxs('Int', a, 6);
+ var a = new Int16Array([1,2,3,4,5,6]);
+ assertIdxs('Short', a, 6);
+ var a = new Int8Array([1,2,3,4,5,6]);
+ assertIdxs('Byte', a, 6);
+ var a = new Uint32Array([1,2,3,4,5,6]);
+ assertIdxs('UInt', a, 6);
+ var a = new Uint16Array([1,2,3,4,5,6]);
+ assertIdxs('UShort', a, 6);
+ var a = new Uint8Array([1,2,3,4,5,6]);
+ assertIdxs('UByte', a, 6);
+}
+Tests.testCreateFromCount = function() {
+ var a = new Float32Array(6);
+ assertIdxs('Float', a, 6);
+ var a = new Int32Array(6);
+ assertIdxs('Int', a, 6);
+ var a = new Int16Array(6);
+ assertIdxs('Short', a, 6);
+ var a = new Int8Array(6);
+ assertIdxs('Byte', a, 6);
+ var a = new Uint32Array(6);
+ assertIdxs('UInt', a, 6);
+ var a = new Uint16Array(6);
+ assertIdxs('UShort', a, 6);
+ var a = new Uint8Array(6);
+ assertIdxs('UByte', a, 6);
+}
+Tests.testCreateFromBuffer = function() {
+ var sz = 24;
+ var b = new ArrayBuffer(sz);
+ var a = new Float32Array(b);
+ assertIdxs('Float', a, sz/4);
+ var a = new Int32Array(b);
+ assertIdxs('Int', a, sz/4);
+ var a = new Int16Array(b);
+ assertIdxs('Short', a, sz/2);
+ var a = new Int8Array(b);
+ assertIdxs('Byte', a, sz/1);
+ var a = new Uint32Array(b);
+ assertIdxs('UInt', a, sz/4);
+ var a = new Uint16Array(b);
+ assertIdxs('UShort', a, sz/2);
+ var a = new Uint8Array(b);
+ assertIdxs('UByte', a, sz/1);
+}
+
+Tests.testThatWritesChangeDrawing = function(gl) {
+ var verts = [
+ 0,0,
+ 1,0,
+ 1,1,
+
+ 0,0,
+ 1,1,
+ 0,1
+ ];
+ var a = new Float32Array(verts);
+ var arr = [];
+ for (var i=0; i<12; i++)
+ arr[i] = a[i];
+ assertEquals("Test that reads work from an array-initialized Float32Array", arr, verts);
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+ gl.bufferData(gl.ARRAY_BUFFER, a, gl.STATIC_DRAW);
+ gl.vertexAttribPointer(va, 2, gl.FLOAT, false, 0, 0);
+ gl.enableVertexAttribArray(va);
+
+ var id = new Uint8Array(4);
+ gl.readPixels(8,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);
+ assertEquals([0, 0, 0, 0], [id[0], id[1], id[2], id[3]]);
+
+ gl.drawArrays(gl.TRIANGLES, 0, 6);
+
+ gl.readPixels(8,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);
+ assertEquals([255, 0, 0, 255], [id[0], id[1], id[2], id[3]]);
+ gl.readPixels(0,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);
+ assertEquals([0, 0, 0, 0], [id[0], id[1], id[2], id[3]]);
+
+ a[0] = a[6] = a[10] = -1;
+ gl.bufferData(gl.ARRAY_BUFFER, a, gl.STATIC_DRAW);
+ gl.vertexAttribPointer(va, 2, gl.FLOAT, false, 0, 0);
+
+ gl.drawArrays(gl.TRIANGLES, 0, 6);
+
+ gl.readPixels(8,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);
+ assertEquals([255, 0, 0, 255], [id[0], id[1], id[2], id[3]]);
+ gl.readPixels(0,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);
+ assertEquals("Test that Float32Array#[]= worked and drawArrays drew a full-width rectangle",
+ [255, 0, 0, 255], [id[0], id[1], id[2], id[3]]);
+ gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);
+ assertEquals([0, 0, 0, 0], [id[0], id[1], id[2], id[3]]);
+}
+
+</script>
+<script id="vert" type="x-shader/x-vertex">
+ attribute vec2 Vertex;
+ void main()
+ {
+ gl_Position = vec4(Vertex, 0.0, 1.0);
+ }
+</script>
+<script id="frag" type="x-shader/x-fragment">
+ precision mediump float;
+
+ uniform vec4 c;
+ void main()
+ {
+ gl_FragColor = c;
+ }
+</script>
+<style>canvas{border: 1px solid black}</style>
+</head><body>
+<canvas id="gl" width="16" height="16"></canvas>
+</body></html>
Property changes on: conformance/more/conformance/webGLArrays.html
___________________________________________________________________
Added: svn:eol-style
+ LF
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