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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /dom/webgpu/mochitest/test_buffer_mapping.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/webgpu/mochitest/test_buffer_mapping.html')
| -rw-r--r-- | dom/webgpu/mochitest/test_buffer_mapping.html | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/dom/webgpu/mochitest/test_buffer_mapping.html b/dom/webgpu/mochitest/test_buffer_mapping.html new file mode 100644 index 0000000000..a3f59d0caf --- /dev/null +++ b/dom/webgpu/mochitest/test_buffer_mapping.html @@ -0,0 +1,59 @@ +<!DOCTYPE HTML> +<html> +<head> +<meta charset='utf-8'> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> +</head> +<body> +<script> + +ok(SpecialPowers.getBoolPref('dom.webgpu.enabled'), 'Pref should be enabled.'); + +async function testBody() { + const adapter = await navigator.gpu.requestAdapter(); + const device = await adapter.requestDevice(); + + const bufferRead = device.createBuffer({ size:4, usage: GPUBufferUsage.MAP_READ | GPUBufferUsage.COPY_DST }); + const bufferWrite = device.createBuffer({ size:4, usage: GPUBufferUsage.COPY_SRC, mappedAtCreation: true }); + (new Float32Array(bufferWrite.getMappedRange())).set([1.0]); + bufferWrite.unmap(); + + const encoder = device.createCommandEncoder(); + encoder.copyBufferToBuffer(bufferWrite, 0, bufferRead, 0, 4); + device.queue.submit([encoder.finish()]); + + await bufferRead.mapAsync(GPUMapMode.READ); + + try { + bufferRead.getMappedRange(0, 5); + ok(false, 'mapped with size outside buffer should throw'); + } catch(e) { + ok(true, 'mapped with size outside buffer should throw OperationError'); + } + + try { + bufferRead.getMappedRange(4, 1); + ok(false, 'mapped with offset outside buffer should throw'); + } catch(e) { + ok(true, 'mapped with offset outside buffer should throw OperationError'); + } + + const data = bufferRead.getMappedRange(); + is(data.byteLength, 4, 'array should be 4 bytes long'); + + const value = (new Float32Array(data))[0]; + ok(value == 1.0, 'value == 1.0'); + + bufferRead.unmap(); + is(data.byteLength, 0, 'array should be detached after explicit unmap'); +}; + +SimpleTest.waitForExplicitFinish(); +testBody() + .catch((e) => ok(false, "Unhandled exception " + e)) + .finally(() => SimpleTest.finish()); + +</script> +</body> +</html> |