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[v0.19] Wire up Timestamp Queries in WebGPU Backend #5527

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merged 1 commit into from
Apr 17, 2024
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[v0.19] Wire up Timestamp Queries in WebGPU Backend #5527

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27 changes: 27 additions & 0 deletions wgpu/src/backend/webgpu.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2311,6 +2311,20 @@ impl crate::context::Context for ContextWebGpu {
if let Some(label) = desc.label {
mapped_desc.label(label);
}

if let Some(ref timestamp_writes) = desc.timestamp_writes {
let query_set: &<ContextWebGpu as crate::Context>::QuerySetData =
downcast_ref(timestamp_writes.query_set.data.as_ref());
let mut writes = webgpu_sys::GpuComputePassTimestampWrites::new(&query_set.0);
if let Some(index) = timestamp_writes.beginning_of_pass_write_index {
writes.beginning_of_pass_write_index(index);
}
if let Some(index) = timestamp_writes.end_of_pass_write_index {
writes.end_of_pass_write_index(index);
}
mapped_desc.timestamp_writes(&writes);
}

create_identified(
encoder_data
.0
Expand Down Expand Up @@ -2410,6 +2424,19 @@ impl crate::context::Context for ContextWebGpu {
mapped_desc.depth_stencil_attachment(&mapped_depth_stencil_attachment);
}

if let Some(ref timestamp_writes) = desc.timestamp_writes {
let query_set: &<ContextWebGpu as crate::Context>::QuerySetData =
downcast_ref(timestamp_writes.query_set.data.as_ref());
let mut writes = webgpu_sys::GpuRenderPassTimestampWrites::new(&query_set.0);
if let Some(index) = timestamp_writes.beginning_of_pass_write_index {
writes.beginning_of_pass_write_index(index);
}
if let Some(index) = timestamp_writes.end_of_pass_write_index {
writes.end_of_pass_write_index(index);
}
mapped_desc.timestamp_writes(&writes);
}

create_identified(encoder_data.0.begin_render_pass(&mapped_desc))
}

Expand Down
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