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The clearBuffer() method of the GPUCommandEncoder interface encodes a command that fills a region of a GPUBuffer with zeroes.
clearBuffer(buffer)
clearBuffer(buffer, offset)
clearBuffer(buffer, offset, size)
buffer
A GPUBuffer object representing the buffer to clear.
offset Optional
A number representing the offset, in bytes, from the start of the buffer to the sub-region to clear. If omitted, offset defaults to 0.
size Optional
A number representing the size, in bytes, of the sub-region to clear. If omitted, size defaults to the buffer size - offset.
None (Undefined).
The following criteria must be met when calling clearBuffer(), otherwise a GPUValidationError is generated and the GPUCommandEncoder becomes invalid:
buffer's GPUBuffer.usage includes the GPUBufferUsage.COPY_DST flag.offset and size are both multiples of 4.buffer's GPUBuffer.size is greater than or equal to offset + size.// â¦
const buffer = device.createBuffer({
size: 1000,
usage: GPUBufferUsage.MAP_READ | GPUBufferUsage.COPY_DST,
});
// Later on
const commandBuffer = device.createCommandEncoder();
commandEncoder.clearBuffer(buffer);
// â¦
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