bufferSubData.html (6635B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <!-- 6 Copyright (c) 2019 The Khronos Group Inc. 7 Use of this source code is governed by an MIT-style license that can be 8 found in the LICENSE.txt file. 9 --> 10 <link rel="stylesheet" type="text/css" href="../unit.css" /> 11 <script type="application/javascript" src="../unit.js"></script> 12 <script type="application/javascript" src="../util.js"></script> 13 <script type="application/javascript"> 14 15 Tests.startUnit = function () { 16 var canvas = document.getElementById('gl'); 17 var gl = getGLContext(canvas); 18 var buf = gl.createBuffer(); 19 var ebuf = gl.createBuffer(); 20 gl.bindBuffer(gl.ARRAY_BUFFER, buf); 21 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ebuf); 22 return [gl, buf, ebuf]; 23 } 24 25 Tests.testBufferSubData = function(gl, buf, ebuf) { 26 var data = [0,0,0,0, 1,0,0,0, 0,1,0,0]; 27 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.STATIC_DRAW); 28 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4])); 29 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1])); 30 gl.bufferSubData(gl.ARRAY_BUFFER, 32, new Float32Array([1,1,1,1])); 31 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4); 32 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STATIC_DRAW); 33 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.STREAM_DRAW); 34 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1])); 35 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4])); 36 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4); 37 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STREAM_DRAW); 38 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.DYNAMIC_DRAW); 39 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1])); 40 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4])); 41 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint32Array([1,1,1,1])); 42 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int32Array([1,1,1,1])); 43 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int16Array([1,1,1,1])); 44 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 45 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int8Array([1,1,1,1])); 46 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint8Array([1,1,1,1])); 47 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4); 48 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.DYNAMIC_DRAW); 49 50 gl.bufferData(gl.ARRAY_BUFFER, 12, gl.STATIC_DRAW); 51 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12); 52 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STATIC_DRAW); 53 54 gl.bufferData(gl.ARRAY_BUFFER, 12*4, gl.STATIC_DRAW); 55 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4])); 56 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1])); 57 gl.bufferSubData(gl.ARRAY_BUFFER, 32, new Float32Array([1,1,1,1])); 58 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4); 59 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STATIC_DRAW); 60 gl.bufferData(gl.ARRAY_BUFFER, 12*4, gl.STREAM_DRAW); 61 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1])); 62 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4])); 63 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4); 64 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STREAM_DRAW); 65 gl.bufferData(gl.ARRAY_BUFFER, 12*4, gl.DYNAMIC_DRAW); 66 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1])); 67 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4])); 68 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint32Array([1,1,1,1])); 69 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int32Array([1,1,1,1])); 70 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int16Array([1,1,1,1])); 71 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 72 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int8Array([1,1,1,1])); 73 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint8Array([1,1,1,1])); 74 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4); 75 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.DYNAMIC_DRAW); 76 77 gl.bufferData(gl.ARRAY_BUFFER, new Uint16Array(data), gl.STATIC_DRAW); 78 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 79 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4])); 80 gl.bufferData(gl.ARRAY_BUFFER, new Uint16Array(data), gl.STREAM_DRAW); 81 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 82 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4])); 83 gl.bufferData(gl.ARRAY_BUFFER, new Uint16Array(data), gl.DYNAMIC_DRAW); 84 gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 85 gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4])); 86 assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*2); 87 throwError(gl, "array bufferSubData"); 88 } 89 Tests.testBufferSubDataElement = function(gl, buf, ebuf) { 90 var data = [0,0,0,0, 1,0,0,0, 0,1,0,0]; 91 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.STATIC_DRAW); 92 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 93 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4])); 94 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.STREAM_DRAW); 95 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 96 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4])); 97 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.DYNAMIC_DRAW); 98 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1])); 99 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4])); 100 assertEquals(gl.getBufferParameter(gl.ELEMENT_ARRAY_BUFFER, gl.BUFFER_SIZE), 12*2); 101 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint8Array(data), gl.DYNAMIC_DRAW); 102 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 4, new Uint8Array([1,1,1,1])); 103 gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint8Array([1,2,3,4])); 104 assertEquals(gl.getBufferParameter(gl.ELEMENT_ARRAY_BUFFER, gl.BUFFER_SIZE), 12); 105 throwError(gl, "element array bufferSubData"); 106 } 107 108 Tests.endUnit = function(gl, buf, ebuf) { 109 gl.deleteBuffer(buf); 110 gl.deleteBuffer(ebuf); 111 } 112 113 </script> 114 <style>canvas{ position:absolute; }</style> 115 </head><body> 116 <canvas id="gl" width="16" height="16"></canvas> 117 </body></html>