1629739 - WebGPU "Buffer already unmapped" warning related to the swapchain

Status: RESOLVED FIXED

(Core :: Graphics: WebGPU, defect, P3)

Description

[Dzmitry Malyshau [:kvark]]

More detailed log:

[2020-04-14T03:14:59Z INFO  wgpu_core::instance] Adapter Vulkan AdapterInfo { name: "GeForce GTX 1050 Ti with Max-Q Design", vendor: 4318, device: 7308, device_type: DiscreteGpu }
[2020-04-14T03:14:59Z DEBUG wgpu_core::device::life] Free framebuffers {}
[2020-04-14T03:14:59Z DEBUG wgpu_core::device::life] Free framebuffers {}
[2020-04-14T03:14:59Z INFO  wgpu_core::device] Create buffer BufferDescriptor { label: 0x0, size: 64, usage: MAP_WRITE | VERTEX } with ID (20, 1, Vulkan)
[2020-04-14T03:14:59Z INFO  wgpu_core::device] Created buffer (20, 1, Vulkan) with BufferDescriptor { label: 0x0, size: 64, usage: MAP_WRITE | VERTEX }
[2020-04-14T03:14:59Z ERROR wgpu_core::device] Buffer already unmapped
[2020-04-14T03:14:59Z DEBUG wgpu_core::device::life] Free framebuffers {}
...
[2020-04-14T03:15:00Z INFO  wgpu_core::device] Create buffer BufferDescriptor { label: 0x0, size: 1048576, usage: MAP_WRITE | COPY_SRC } with ID (21, 1, Vulkan)
[2020-04-14T03:15:00Z INFO  wgpu_core::device] Created buffer (21, 1, Vulkan) with BufferDescriptor { label: 0x0, size: 1048576, usage: MAP_WRITE | COPY_SRC }
[2020-04-14T03:15:00Z ERROR wgpu_core::device] Buffer already unmapped
[2020-04-14T03:15:00Z TRACE wgpu_core::track] 	buffer -> PendingTransition { id: (21, 1, Vulkan), selector: (), usage: NONE..COPY_SRC }
[2020-04-14T03:15:00Z TRACE wgpu_core::track] 	texture -> PendingTransition { id: (2, 1, Vulkan), selector: SubresourceRange { aspects: (empty), levels: 0..1, layers: 0..1 }, usage: COPY_DST..COPY_DST }
[2020-04-14T03:15:00Z INFO  wgpu_core::device] Create buffer BufferDescriptor { label: 0x0, size: 64, usage: MAP_WRITE | COPY_DST | UNIFORM } with ID (22, 1, Vulkan)
[2020-04-14T03:15:00Z INFO  wgpu_core::device] Created buffer (22, 1, Vulkan) with BufferDescriptor { label: 0x0, size: 64, usage: MAP_WRITE | COPY_DST | UNIFORM }
[2020-04-14T03:15:00Z ERROR wgpu_core::device] Buffer already unmapped

Comment 1

[Dzmitry Malyshau [:kvark]]

Attachment: Fix WebGPU buffer unmap warning

it was a bogus warning that erroneously fire when Gecko flushed mapped contents

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/46e90ea13e93
Fix WebGPU buffer unmap warning r=jgilbert

Comment 3

[Cristina Coroiu [:ccoroiu]]

https://hg.mozilla.org/mozilla-central/rev/46e90ea13e93