LayoutTests/webgpu/whlsl/sparse-bind-group-2.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../js/webgpu-functions.js"></script>
   5 <script src="../../resources/js-test-pre.js"></script>
   6 </head>
   7 <body>
   8 <script>
   9 const shaderSource = `
  10 [numthreads(1, 1, 1)]
  11 compute void computeShader(device float[] buffer : register(u1)) {
  12     buffer[0] = 17;
  13 }
  14 `;
  15
  16 async function start(device) {
  17     device.pushErrorScope("validation");
  18     const shaderModule = device.createShaderModule({code: shaderSource});
  19     const computeStage = {module: shaderModule, entryPoint: "computeShader"};
  20
  21     const bindGroupLayoutDescriptor = {bindings: [{binding: 0, visibility: 7, type: "storage-buffer"}, {binding: 1, visibility: 7, type: "storage-buffer"}]};
  22     const bindGroupLayout = device.createBindGroupLayout(bindGroupLayoutDescriptor);
  23     const pipelineLayoutDescriptor = {bindGroupLayouts: [bindGroupLayout]};
  24     const pipelineLayout = device.createPipelineLayout(pipelineLayoutDescriptor);
  25
  26     const computePipelineDescriptor = {computeStage, layout: pipelineLayout};
  27     const computePipeline = device.createComputePipeline(computePipelineDescriptor);
  28     device.popErrorScope().then(function(e) {
  29         alert(e.message);
  30     });
  31
  32     const size = Float32Array.BYTES_PER_ELEMENT * 1;
  33
  34     const buffer1 = device.createBuffer({size, usage: GPUBufferUsage.STORAGE | GPUBufferUsage.MAP_READ});
  35     const buffer2 = device.createBuffer({size, usage: GPUBufferUsage.STORAGE | GPUBufferUsage.MAP_READ});
  36
  37     const bindGroup = device.createBindGroup({layout: bindGroupLayout, bindings: [{binding: 0, resource: {buffer: buffer1, size}}, {binding: 1, resource: {buffer: buffer2, size}}]});
  38
  39     const commandEncoder = device.createCommandEncoder(); // {}
  40     const computePassEncoder = commandEncoder.beginComputePass();
  41     computePassEncoder.setPipeline(computePipeline);
  42     computePassEncoder.setBindGroup(0, bindGroup);
  43     computePassEncoder.dispatch(1, 1, 1);
  44     computePassEncoder.endPass();
  45     const commandBuffer = commandEncoder.finish();
  46     device.getQueue().submit([commandBuffer]);
  47
  48     const resultsArrayBuffer = await buffer2.mapReadAsync();
  49     const resultsFloat32Array = new Float32Array(resultsArrayBuffer);
  50     if (resultsFloat32Array[0] == 17)
  51         testPassed("");
  52     else
  53         testFailed("");
  54     buffer2.unmap();
  55 }
  56
  57 window.jsTestIsAsync = true;
  58 getBasicDevice().then(function(device) {
  59     start(device).then(function() {
  60         finishJSTest();
  61     }, function() {
  62         testFailed("");
  63         finishJSTest();
  64     });
  65 }, function() {
  66     testPassed("");
  67     finishJSTest();
  68 });
  69 </script>
  70 <script src="../../resources/js-test-post.js"></script>
  71 </body>
  72 </html>