1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/WebGPUBinding.h"
#include "Queue.h"
#include "CommandBuffer.h"
#include "CommandEncoder.h"
#include "ipc/WebGPUChild.h"
#include "mozilla/ErrorResult.h"
namespace mozilla {
namespace webgpu {
GPU_IMPL_CYCLE_COLLECTION(Queue, mParent, mBridge)
GPU_IMPL_JS_WRAP(Queue)
Queue::Queue(Device* const aParent, WebGPUChild* aBridge, RawId aId)
: ChildOf(aParent), mBridge(aBridge), mId(aId) {}
Queue::~Queue() { Cleanup(); }
void Queue::Submit(
const dom::Sequence<OwningNonNull<CommandBuffer>>& aCommandBuffers) {
nsTArray<RawId> list(aCommandBuffers.Length());
for (uint32_t i = 0; i < aCommandBuffers.Length(); ++i) {
auto idMaybe = aCommandBuffers[i]->Commit();
if (idMaybe) {
list.AppendElement(*idMaybe);
}
}
mBridge->SendQueueSubmit(mId, list);
}
void Queue::WriteBuffer(const Buffer& aBuffer, uint64_t aBufferOffset,
const dom::ArrayBuffer& aData, uint64_t aDataOffset,
const dom::Optional<uint64_t>& aSize,
ErrorResult& aRv) {
aData.ComputeState();
const auto checkedSize =
aSize.WasPassed() ? CheckedInt<size_t>(aSize.Value())
: CheckedInt<size_t>(aData.Length()) - aDataOffset;
if (!checkedSize.isValid()) {
aRv.ThrowRangeError("Mapped size is too large");
return;
}
const auto& size = checkedSize.value();
if (aDataOffset + size > aData.Length()) {
aRv.ThrowAbortError(nsPrintfCString("Wrong data size %" PRIuPTR, size));
return;
}
ipc::Shmem shmem;
if (!mBridge->AllocShmem(size, ipc::Shmem::SharedMemory::TYPE_BASIC,
&shmem)) {
aRv.ThrowAbortError(
nsPrintfCString("Unable to allocate shmem of size %" PRIuPTR, size));
return;
}
memcpy(shmem.get<uint8_t>(), aData.Data() + aDataOffset, size);
mBridge->SendQueueWriteBuffer(mId, aBuffer.mId, aBufferOffset,
std::move(shmem));
}
void Queue::WriteTexture(const dom::GPUTextureCopyView& aDestination,
const dom::ArrayBuffer& aData,
const dom::GPUTextureDataLayout& aDataLayout,
const dom::GPUExtent3D& aSize, ErrorResult& aRv) {
ffi::WGPUTextureCopyView copyView = {};
CommandEncoder::ConvertTextureCopyViewToFFI(aDestination, ©View);
ffi::WGPUTextureDataLayout dataLayout = {};
CommandEncoder::ConvertTextureDataLayoutToFFI(aDataLayout, &dataLayout);
dataLayout.offset = 0; // our Shmem has the contents starting from 0.
ffi::WGPUExtent3d extent = {};
CommandEncoder::ConvertExtent3DToFFI(aSize, &extent);
const auto bpb = aDestination.mTexture->mBytesPerBlock;
if (!bpb) {
aRv.ThrowAbortError(nsPrintfCString("Invalid texture format"));
return;
}
if (extent.width == 0 || extent.height == 0 || extent.depth == 0) {
aRv.ThrowAbortError(nsPrintfCString("Invalid copy size"));
return;
}
// TODO: support block-compressed formats
aData.ComputeState();
const auto fullRows =
(CheckedInt<size_t>(extent.depth - 1) * aDataLayout.mRowsPerImage +
extent.height - 1);
const auto checkedSize = fullRows * aDataLayout.mBytesPerRow +
CheckedInt<size_t>(extent.width) * bpb.value();
if (!checkedSize.isValid()) {
aRv.ThrowRangeError("Mapped size is too large");
return;
}
const auto& size = checkedSize.value();
auto availableSize = aData.Length();
if (availableSize < aDataLayout.mOffset ||
size > (availableSize - aDataLayout.mOffset)) {
aRv.ThrowAbortError(nsPrintfCString("Wrong data size %" PRIuPTR, size));
return;
}
ipc::Shmem shmem;
if (!mBridge->AllocShmem(size, ipc::Shmem::SharedMemory::TYPE_BASIC,
&shmem)) {
aRv.ThrowAbortError(
nsPrintfCString("Unable to allocate shmem of size %" PRIuPTR, size));
return;
}
memcpy(shmem.get<uint8_t>(), aData.Data() + aDataLayout.mOffset, size);
mBridge->SendQueueWriteTexture(mId, copyView, std::move(shmem), dataLayout,
extent);
}
} // namespace webgpu
} // namespace mozilla
|
