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export const description = `
Tests that TypedArrays created when mapping a GPUBuffer are detached when the
buffer is unmapped or destroyed.
`;
import { makeTestGroup } from '../../../../common/framework/test_group.js';
import { getGPU } from '../../../../common/util/navigator_gpu.js';
import { assert } from '../../../../common/util/util.js';
import { GPUConst } from '../../../constants.js';
import { GPUTest } from '../../../gpu_test.js';
export const g = makeTestGroup(GPUTest);
g.test('while_mapped')
.desc(
`
Test that a mapped buffers are able to properly detach.
- Tests {mappable, unmappable mapAtCreation, mappable mapAtCreation}
- Tests while {mapped, mapped at creation, mapped at creation then unmapped and mapped again}
- When {unmap, destroy, unmap && destroy, device.destroy} is called`
)
.paramsSubcasesOnly(u =>
u
.combine('mappedAtCreation', [false, true])
.combineWithParams([
{ usage: GPUConst.BufferUsage.COPY_SRC },
{ usage: GPUConst.BufferUsage.MAP_WRITE | GPUConst.BufferUsage.COPY_SRC },
{ usage: GPUConst.BufferUsage.COPY_DST | GPUConst.BufferUsage.MAP_READ },
{
usage: GPUConst.BufferUsage.MAP_WRITE | GPUConst.BufferUsage.COPY_SRC,
mapMode: GPUConst.MapMode.WRITE,
},
{
usage: GPUConst.BufferUsage.COPY_DST | GPUConst.BufferUsage.MAP_READ,
mapMode: GPUConst.MapMode.READ,
},
])
.combineWithParams([
{ unmap: true, destroy: false },
{ unmap: false, destroy: true },
{ unmap: true, destroy: true },
{ unmap: false, destroy: false, deviceDestroy: true },
])
.unless(p => p.mappedAtCreation === false && p.mapMode === undefined)
)
.fn(async t => {
const { usage, mapMode, mappedAtCreation, unmap, destroy, deviceDestroy } = t.params;
let device: GPUDevice = t.device;
if (deviceDestroy) {
const adapter = await getGPU().requestAdapter();
assert(adapter !== null);
device = await adapter.requestDevice();
}
const buffer = device.createBuffer({
size: 4,
usage,
mappedAtCreation,
});
if (mapMode !== undefined) {
if (mappedAtCreation) {
buffer.unmap();
}
await buffer.mapAsync(mapMode);
}
const arrayBuffer = buffer.getMappedRange();
const view = new Uint8Array(arrayBuffer);
t.expect(arrayBuffer.byteLength === 4);
t.expect(view.length === 4);
if (unmap) buffer.unmap();
if (destroy) buffer.destroy();
if (deviceDestroy) device.destroy();
t.expect(arrayBuffer.byteLength === 0, 'ArrayBuffer should be detached');
t.expect(view.byteLength === 0, 'ArrayBufferView should be detached');
});
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