blob: 8d056a3afbfe3f9f09759786f0f2627b373138a1 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<script src="../js/webgpu-functions.js"></script>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body>
<script>
const shaderSource = `
[numthreads(1, 1, 1)]
compute void computeShader(device int[] buffer : register(u0)) {
buffer[0] = 1;
buffer[1] = buffer[0]++;
buffer[2] = 1;
buffer[3] = ++buffer[2];
buffer[4] = 1;
buffer[4] += 5;
buffer[5] = 1;
buffer[5] *= 7;
int total = 14;
for (int i = 0; i < 10; i += 2) {
total += i;
}
buffer[6] = total;
total = 14;
for (int i = 0; i < 10; ++i) {
total += i;
}
buffer[7] = total;
}
`;
async function start() {
const adapter = await navigator.gpu.requestAdapter();
const device = await adapter.requestDevice();
const shaderModule = device.createShaderModule({code: shaderSource});
const computeStage = {module: shaderModule, entryPoint: "computeShader"};
const bindGroupLayoutDescriptor = {bindings: [{binding: 0, visibility: 7, type: "storage-buffer"}]};
const bindGroupLayout = device.createBindGroupLayout(bindGroupLayoutDescriptor);
const pipelineLayoutDescriptor = {bindGroupLayouts: [bindGroupLayout]};
const pipelineLayout = device.createPipelineLayout(pipelineLayoutDescriptor);
const computePipelineDescriptor = {computeStage, layout: pipelineLayout};
const computePipeline = device.createComputePipeline(computePipelineDescriptor);
const size = Int32Array.BYTES_PER_ELEMENT * 8;
const bufferDescriptor = {size, usage: GPUBufferUsage.STORAGE | GPUBufferUsage.MAP_READ};
const buffer = device.createBuffer(bufferDescriptor);
const bufferBinding = {buffer: buffer, size};
const bindGroupBinding = {binding: 0, resource: bufferBinding};
const bindGroupDescriptor = {layout: bindGroupLayout, bindings: [bindGroupBinding]};
const bindGroup = device.createBindGroup(bindGroupDescriptor);
const commandEncoder = device.createCommandEncoder(); // {}
const computePassEncoder = commandEncoder.beginComputePass();
computePassEncoder.setPipeline(computePipeline);
computePassEncoder.setBindGroup(0, bindGroup);
computePassEncoder.dispatch(1, 1, 1);
computePassEncoder.endPass();
const commandBuffer = commandEncoder.finish();
device.getQueue().submit([commandBuffer]);
const resultsArrayBuffer = await buffer.mapReadAsync();
const results = new Int32Array(resultsArrayBuffer);
if (results[0] == 2
&& results[1] == 1
&& results[2] == 2
&& results[3] == 2
&& results[4] == 6
&& results[5] == 7
&& results[6] == 34
&& results[7] == 59)
testPassed("");
else
testFailed("");
buffer.unmap();
}
window.jsTestIsAsync = true;
getBasicDevice().then(function(device) {
start(device).then(function() {
finishJSTest();
}, function() {
testFailed("");
finishJSTest();
});
}, function() {
testPassed("");
finishJSTest();
});
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>