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fadb85676e
As this is only used in the `source.origin` field for `GPUQueue.copyExternalImageToTexture`, we can keep this validation in the body of this method, for now. Differential Revision: https://phabricator.services.mozilla.com/D255663
533 lines
19 KiB
C++
533 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/WebGPUBinding.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "Queue.h"
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#include <algorithm>
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#include "CommandBuffer.h"
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#include "CommandEncoder.h"
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#include "ipc/WebGPUChild.h"
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#include "mozilla/Casting.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/BufferSourceBinding.h"
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#include "mozilla/dom/HTMLImageElement.h"
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#include "mozilla/dom/HTMLCanvasElement.h"
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#include "mozilla/dom/ImageBitmap.h"
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#include "mozilla/dom/OffscreenCanvas.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/WebGLTexelConversions.h"
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#include "mozilla/dom/WebGLTypes.h"
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#include "mozilla/ipc/SharedMemoryHandle.h"
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#include "mozilla/ipc/SharedMemoryMapping.h"
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#include "nsLayoutUtils.h"
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#include "Utility.h"
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namespace mozilla::webgpu {
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GPU_IMPL_CYCLE_COLLECTION(Queue, mParent, mBridge)
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GPU_IMPL_JS_WRAP(Queue)
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Queue::Queue(Device* const aParent, WebGPUChild* aBridge, RawId aId)
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: ChildOf(aParent), mId(aId), mBridge(aBridge) {
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MOZ_RELEASE_ASSERT(aId);
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}
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Queue::~Queue() { Cleanup(); }
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void Queue::Submit(
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const dom::Sequence<OwningNonNull<CommandBuffer>>& aCommandBuffers) {
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nsTArray<RawId> list(aCommandBuffers.Length());
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for (uint32_t i = 0; i < aCommandBuffers.Length(); ++i) {
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auto idMaybe = aCommandBuffers[i]->Commit();
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if (idMaybe) {
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list.AppendElement(*idMaybe);
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}
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}
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mBridge->QueueSubmit(mId, mParent->mId, list);
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}
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already_AddRefed<dom::Promise> Queue::OnSubmittedWorkDone(ErrorResult& aRv) {
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RefPtr<dom::Promise> promise = dom::Promise::Create(GetParentObject(), aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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ffi::wgpu_client_on_submitted_work_done(mBridge->GetClient(), mId);
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auto pending_promise = RefPtr(promise);
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mBridge->mPendingOnSubmittedWorkDonePromises.push_back(
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std::move(pending_promise));
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return promise.forget();
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}
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void Queue::WriteBuffer(
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const Buffer& aBuffer, uint64_t aBufferOffset,
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const dom::MaybeSharedArrayBufferOrMaybeSharedArrayBufferView& aData,
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uint64_t aDataOffset, const dom::Optional<uint64_t>& aSize,
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ErrorResult& aRv) {
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if (!aBuffer.mId) {
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// Invalid buffers are unknown to the parent -- don't try to write
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// to them.
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return;
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}
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size_t elementByteSize = 1;
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if (aData.IsArrayBufferView()) {
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auto type = aData.GetAsArrayBufferView().Type();
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if (type != JS::Scalar::MaxTypedArrayViewType) {
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elementByteSize = byteSize(type);
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}
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}
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dom::ProcessTypedArraysFixed(
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aData, [&, elementByteSize](const Span<const uint8_t>& aData) {
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uint64_t byteLength = aData.Length();
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auto checkedByteOffset =
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CheckedInt<uint64_t>(aDataOffset) * elementByteSize;
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if (!checkedByteOffset.isValid()) {
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aRv.ThrowOperationError("offset x element size overflows");
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return;
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}
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auto offset = checkedByteOffset.value();
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size_t size;
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if (aSize.WasPassed()) {
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const auto checkedByteSize =
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CheckedInt<size_t>(aSize.Value()) * elementByteSize;
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if (!checkedByteSize.isValid()) {
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aRv.ThrowOperationError("write size x element size overflows");
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return;
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}
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size = checkedByteSize.value();
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} else {
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const auto checkedByteSize = CheckedInt<size_t>(byteLength) - offset;
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if (!checkedByteSize.isValid()) {
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aRv.ThrowOperationError("data byte length - offset underflows");
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return;
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}
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size = checkedByteSize.value();
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}
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auto checkedByteEnd = CheckedInt<uint64_t>(offset) + size;
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if (!checkedByteEnd.isValid() || checkedByteEnd.value() > byteLength) {
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aRv.ThrowOperationError(
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nsPrintfCString("Wrong data size %" PRIuPTR, size));
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return;
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}
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if (size % 4 != 0) {
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aRv.ThrowOperationError("Byte size must be a multiple of 4");
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return;
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}
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if (size < 1024) {
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ipc::ByteBuf bb{};
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bb.Allocate(size);
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memcpy(bb.mData, aData.Elements() + offset, size);
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auto data_buffer_index = mBridge->QueueDataBuffer(std::move(bb));
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ffi::wgpu_queue_write_buffer_inline(mBridge->GetClient(),
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mParent->mId, mId, aBuffer.mId,
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aBufferOffset, data_buffer_index);
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return;
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}
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mozilla::ipc::MutableSharedMemoryHandle handle;
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if (size != 0) {
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handle = mozilla::ipc::shared_memory::Create(size);
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auto mapping = handle.Map();
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if (!handle || !mapping) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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memcpy(mapping.DataAs<uint8_t>(), aData.Elements() + offset, size);
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}
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auto shmem_handle_index = mBridge->QueueShmemHandle(std::move(handle));
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ffi::wgpu_queue_write_buffer_via_shmem(
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mBridge->GetClient(), mParent->mId, mId, aBuffer.mId, aBufferOffset,
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shmem_handle_index);
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});
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}
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static CheckedInt<size_t> ComputeApproxSize(
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const dom::GPUTexelCopyTextureInfo& aDestination,
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const dom::GPUTexelCopyBufferLayout& aDataLayout,
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const ffi::WGPUExtent3d& extent,
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const ffi::WGPUTextureFormatBlockInfo& info) {
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// The spec's algorithm for [validating linear texture data][vltd] computes
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// an exact size for the transfer. wgpu implements the algorithm and will
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// fully validate the operation as described in the spec.
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//
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// Here, we just want to avoid copying excessive amounts of data in the case
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// where the transfer will use only a small portion of the buffer. So we
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// compute an approximation that will be at least the actual transfer size
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// for any valid request. Then we copy the smaller of the approximated size
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// or the remainder of the buffer.
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//
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// [vltd]:
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// https://www.w3.org/TR/webgpu/#abstract-opdef-validating-linear-texture-data
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// VLTD requires that width/height are multiples of the block size.
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auto widthInBlocks = extent.width / info.width;
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auto heightInBlocks = extent.height / info.height;
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auto bytesInLastRow = CheckedInt<size_t>(widthInBlocks) * info.copy_size;
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// VLTD requires bytesPerRow present if heightInBlocks > 1.
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auto bytesPerRow = CheckedInt<size_t>(aDataLayout.mBytesPerRow.WasPassed()
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? aDataLayout.mBytesPerRow.Value()
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: bytesInLastRow);
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if (extent.depth_or_array_layers > 1) {
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// VLTD requires rowsPerImage present if layers > 1
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auto rowsPerImage = aDataLayout.mRowsPerImage.WasPassed()
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? aDataLayout.mRowsPerImage.Value()
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: heightInBlocks;
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return bytesPerRow * rowsPerImage * extent.depth_or_array_layers;
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} else {
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return bytesPerRow * heightInBlocks;
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}
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}
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void Queue::WriteTexture(
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const dom::GPUTexelCopyTextureInfo& aDestination,
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const dom::MaybeSharedArrayBufferOrMaybeSharedArrayBufferView& aData,
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const dom::GPUTexelCopyBufferLayout& aDataLayout,
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const dom::GPUExtent3D& aSize, ErrorResult& aRv) {
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ffi::WGPUTexelCopyTextureInfo copyView = {};
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CommandEncoder::ConvertTextureCopyViewToFFI(aDestination, ©View);
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ffi::WGPUTexelCopyBufferLayout dataLayout = {};
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CommandEncoder::ConvertTextureDataLayoutToFFI(aDataLayout, &dataLayout);
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dataLayout.offset = 0; // our Shmem has the contents starting from 0.
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ffi::WGPUExtent3d extent = {};
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ConvertExtent3DToFFI(aSize, &extent);
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auto format = ConvertTextureFormat(aDestination.mTexture->Format());
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auto aspect = ConvertTextureAspect(aDestination.mAspect);
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ffi::WGPUTextureFormatBlockInfo info = {};
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bool valid = ffi::wgpu_texture_format_get_block_info(format, aspect, &info);
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CheckedInt<size_t> approxSize;
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if (valid) {
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approxSize = ComputeApproxSize(aDestination, aDataLayout, extent, info);
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} else {
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// This happens when the caller does not indicate a single aspect to
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// target in a multi-aspect texture. It needs to be validated on the
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// device timeline, so proceed without an estimated size for now
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approxSize = CheckedInt<size_t>(SIZE_MAX) + 1;
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}
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dom::ProcessTypedArraysFixed(aData, [&](const Span<const uint8_t>& aData) {
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const auto checkedSize =
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CheckedInt<size_t>(aData.Length()) - aDataLayout.mOffset;
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size_t size;
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if (checkedSize.isValid() && approxSize.isValid()) {
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size = std::min(checkedSize.value(), approxSize.value());
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} else if (checkedSize.isValid()) {
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size = checkedSize.value();
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} else {
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// CheckedSize is invalid when the caller-provided offset was past the
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// end of their buffer. Maintain that condition, and fail the operation
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// on the device timeline.
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dataLayout.offset = 1;
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size = 0;
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}
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mozilla::ipc::MutableSharedMemoryHandle handle;
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if (size != 0) {
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handle = mozilla::ipc::shared_memory::Create(size);
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auto mapping = handle.Map();
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if (!handle || !mapping) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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memcpy(mapping.DataAs<uint8_t>(), aData.Elements() + aDataLayout.mOffset,
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size);
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} else {
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handle = mozilla::ipc::MutableSharedMemoryHandle();
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}
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auto shmem_handle_index = mBridge->QueueShmemHandle(std::move(handle));
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ffi::wgpu_queue_write_texture_via_shmem(mBridge->GetClient(), mParent->mId,
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mId, copyView, dataLayout, extent,
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shmem_handle_index);
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});
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}
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static WebGLTexelFormat ToWebGLTexelFormat(gfx::SurfaceFormat aFormat) {
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switch (aFormat) {
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case gfx::SurfaceFormat::B8G8R8A8:
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case gfx::SurfaceFormat::B8G8R8X8:
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return WebGLTexelFormat::BGRA8;
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case gfx::SurfaceFormat::R8G8B8A8:
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case gfx::SurfaceFormat::R8G8B8X8:
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return WebGLTexelFormat::RGBA8;
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default:
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return WebGLTexelFormat::FormatNotSupportingAnyConversion;
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}
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}
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static WebGLTexelFormat ToWebGLTexelFormat(dom::GPUTextureFormat aFormat) {
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// TODO: We need support for Rbg10a2unorm as well.
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switch (aFormat) {
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case dom::GPUTextureFormat::R8unorm:
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return WebGLTexelFormat::R8;
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case dom::GPUTextureFormat::R16float:
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return WebGLTexelFormat::R16F;
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case dom::GPUTextureFormat::R32float:
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return WebGLTexelFormat::R32F;
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case dom::GPUTextureFormat::Rg8unorm:
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return WebGLTexelFormat::RG8;
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case dom::GPUTextureFormat::Rg16float:
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return WebGLTexelFormat::RG16F;
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case dom::GPUTextureFormat::Rg32float:
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return WebGLTexelFormat::RG32F;
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case dom::GPUTextureFormat::Rgba8unorm:
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case dom::GPUTextureFormat::Rgba8unorm_srgb:
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return WebGLTexelFormat::RGBA8;
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case dom::GPUTextureFormat::Bgra8unorm:
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case dom::GPUTextureFormat::Bgra8unorm_srgb:
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return WebGLTexelFormat::BGRA8;
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case dom::GPUTextureFormat::Rgba16float:
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return WebGLTexelFormat::RGBA16F;
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case dom::GPUTextureFormat::Rgba32float:
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return WebGLTexelFormat::RGBA32F;
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default:
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return WebGLTexelFormat::FormatNotSupportingAnyConversion;
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}
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}
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void Queue::CopyExternalImageToTexture(
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const dom::GPUCopyExternalImageSourceInfo& aSource,
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const dom::GPUCopyExternalImageDestInfo& aDestination,
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const dom::GPUExtent3D& aCopySize, ErrorResult& aRv) {
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if (aSource.mOrigin.IsRangeEnforcedUnsignedLongSequence()) {
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auto seq = aSource.mOrigin.GetAsRangeEnforcedUnsignedLongSequence();
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if (seq.Length() > 2) {
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aRv.ThrowTypeError("`origin` must have a sequence size of 2 or less");
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return;
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}
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}
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const auto dstFormat = ToWebGLTexelFormat(aDestination.mTexture->Format());
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if (dstFormat == WebGLTexelFormat::FormatNotSupportingAnyConversion) {
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aRv.ThrowInvalidStateError("Unsupported destination format");
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return;
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}
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const uint32_t surfaceFlags = nsLayoutUtils::SFE_ALLOW_NON_PREMULT;
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SurfaceFromElementResult sfeResult;
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switch (aSource.mSource.GetType()) {
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case decltype(aSource.mSource)::Type::eImageBitmap: {
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const auto& bitmap = aSource.mSource.GetAsImageBitmap();
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if (bitmap->IsClosed()) {
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aRv.ThrowInvalidStateError("Detached ImageBitmap");
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return;
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}
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sfeResult = nsLayoutUtils::SurfaceFromImageBitmap(bitmap, surfaceFlags);
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break;
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}
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case decltype(aSource.mSource)::Type::eHTMLImageElement: {
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const auto& image = aSource.mSource.GetAsHTMLImageElement();
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if (image->NaturalWidth() == 0 || image->NaturalHeight() == 0) {
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aRv.ThrowInvalidStateError("Zero-sized HTMLImageElement");
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return;
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}
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sfeResult = nsLayoutUtils::SurfaceFromElement(image, surfaceFlags);
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break;
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}
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case decltype(aSource.mSource)::Type::eHTMLCanvasElement: {
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MOZ_ASSERT(NS_IsMainThread());
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const auto& canvas = aSource.mSource.GetAsHTMLCanvasElement();
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if (canvas->Width() == 0 || canvas->Height() == 0) {
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aRv.ThrowInvalidStateError("Zero-sized HTMLCanvasElement");
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return;
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}
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sfeResult = nsLayoutUtils::SurfaceFromElement(canvas, surfaceFlags);
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break;
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}
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case decltype(aSource.mSource)::Type::eOffscreenCanvas: {
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const auto& canvas = aSource.mSource.GetAsOffscreenCanvas();
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if (canvas->Width() == 0 || canvas->Height() == 0) {
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aRv.ThrowInvalidStateError("Zero-sized OffscreenCanvas");
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return;
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}
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sfeResult =
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nsLayoutUtils::SurfaceFromOffscreenCanvas(canvas, surfaceFlags);
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break;
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}
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}
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if (!sfeResult.mCORSUsed) {
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nsIGlobalObject* global = mParent->GetOwnerGlobal();
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nsIPrincipal* dstPrincipal = global ? global->PrincipalOrNull() : nullptr;
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if (!sfeResult.mPrincipal || !dstPrincipal ||
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!dstPrincipal->Subsumes(sfeResult.mPrincipal)) {
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aRv.ThrowSecurityError("Cross-origin elements require CORS!");
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return;
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}
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}
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if (sfeResult.mIsWriteOnly) {
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aRv.ThrowSecurityError("Write only source data not supported!");
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return;
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}
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RefPtr<gfx::SourceSurface> surface = sfeResult.GetSourceSurface();
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if (!surface) {
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aRv.ThrowInvalidStateError("No surface available from source");
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return;
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}
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RefPtr<gfx::DataSourceSurface> dataSurface = surface->GetDataSurface();
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if (!dataSurface) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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bool srcPremultiplied;
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switch (sfeResult.mAlphaType) {
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case gfxAlphaType::Premult:
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srcPremultiplied = true;
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break;
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case gfxAlphaType::NonPremult:
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srcPremultiplied = false;
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break;
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case gfxAlphaType::Opaque:
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// No (un)premultiplication necessary so match the output.
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srcPremultiplied = aDestination.mPremultipliedAlpha;
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break;
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}
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const auto surfaceFormat = dataSurface->GetFormat();
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const auto srcFormat = ToWebGLTexelFormat(surfaceFormat);
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if (srcFormat == WebGLTexelFormat::FormatNotSupportingAnyConversion) {
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gfxCriticalError() << "Unsupported surface format from source "
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<< surfaceFormat;
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MOZ_CRASH();
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}
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gfx::DataSourceSurface::ScopedMap map(dataSurface,
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gfx::DataSourceSurface::READ);
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if (!map.IsMapped()) {
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aRv.ThrowInvalidStateError("Cannot map surface from source");
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return;
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}
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ffi::WGPUExtent3d extent = {};
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ConvertExtent3DToFFI(aCopySize, &extent);
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if (extent.depth_or_array_layers > 1) {
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aRv.ThrowOperationError("Depth is greater than 1");
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return;
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}
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uint32_t srcOriginX;
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uint32_t srcOriginY;
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if (aSource.mOrigin.IsRangeEnforcedUnsignedLongSequence()) {
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const auto& seq = aSource.mOrigin.GetAsRangeEnforcedUnsignedLongSequence();
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srcOriginX = seq.Length() > 0 ? seq[0] : 0;
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srcOriginY = seq.Length() > 1 ? seq[1] : 0;
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} else if (aSource.mOrigin.IsGPUOrigin2DDict()) {
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const auto& dict = aSource.mOrigin.GetAsGPUOrigin2DDict();
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srcOriginX = dict.mX;
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srcOriginY = dict.mY;
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} else {
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MOZ_CRASH("Unexpected origin type!");
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}
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const auto checkedMaxWidth = CheckedInt<uint32_t>(srcOriginX) + extent.width;
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const auto checkedMaxHeight =
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CheckedInt<uint32_t>(srcOriginY) + extent.height;
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if (!checkedMaxWidth.isValid() || !checkedMaxHeight.isValid()) {
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aRv.ThrowOperationError("Offset and copy size exceed integer bounds");
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return;
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}
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const gfx::IntSize surfaceSize = dataSurface->GetSize();
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const auto surfaceWidth = AssertedCast<uint32_t>(surfaceSize.width);
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const auto surfaceHeight = AssertedCast<uint32_t>(surfaceSize.height);
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if (surfaceWidth < checkedMaxWidth.value() ||
|
|
surfaceHeight < checkedMaxHeight.value()) {
|
|
aRv.ThrowOperationError("Offset and copy size exceed surface bounds");
|
|
return;
|
|
}
|
|
|
|
const auto dstWidth = extent.width;
|
|
const auto dstHeight = extent.height;
|
|
if (dstWidth == 0 || dstHeight == 0) {
|
|
aRv.ThrowOperationError("Destination size is empty");
|
|
return;
|
|
}
|
|
|
|
if (!aDestination.mTexture->mBytesPerBlock) {
|
|
// TODO(bug 1781071) This should emmit a GPUValidationError on the device
|
|
// timeline.
|
|
aRv.ThrowInvalidStateError("Invalid destination format");
|
|
return;
|
|
}
|
|
|
|
// Note: This assumes bytes per block == bytes per pixel which is the case
|
|
// here because the spec only allows non-compressed texture formats for the
|
|
// destination.
|
|
const auto dstStride = CheckedInt<uint32_t>(extent.width) *
|
|
aDestination.mTexture->mBytesPerBlock.value();
|
|
const auto dstByteLength = dstStride * extent.height;
|
|
if (!dstStride.isValid() || !dstByteLength.isValid()) {
|
|
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
|
|
auto handle = mozilla::ipc::shared_memory::Create(dstByteLength.value());
|
|
auto mapping = handle.Map();
|
|
if (!handle || !mapping) {
|
|
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
|
|
const int32_t pixelSize = gfx::BytesPerPixel(surfaceFormat);
|
|
auto* dstBegin = mapping.DataAs<uint8_t>();
|
|
const auto* srcBegin =
|
|
map.GetData() + srcOriginX * pixelSize + srcOriginY * map.GetStride();
|
|
const auto srcOriginPos = gl::OriginPos::TopLeft;
|
|
const auto srcStride = AssertedCast<uint32_t>(map.GetStride());
|
|
const auto dstOriginPos =
|
|
aSource.mFlipY ? gl::OriginPos::BottomLeft : gl::OriginPos::TopLeft;
|
|
bool wasTrivial;
|
|
|
|
auto dstStrideVal = dstStride.value();
|
|
|
|
if (!ConvertImage(dstWidth, dstHeight, srcBegin, srcStride, srcOriginPos,
|
|
srcFormat, srcPremultiplied, dstBegin, dstStrideVal,
|
|
dstOriginPos, dstFormat, aDestination.mPremultipliedAlpha,
|
|
dom::PredefinedColorSpace::Srgb,
|
|
dom::PredefinedColorSpace::Srgb, &wasTrivial)) {
|
|
MOZ_ASSERT_UNREACHABLE("ConvertImage failed!");
|
|
aRv.ThrowInvalidStateError(
|
|
nsPrintfCString("Failed to convert source to destination format "
|
|
"(%i/%i), please file a bug!",
|
|
(int)srcFormat, (int)dstFormat));
|
|
return;
|
|
}
|
|
|
|
ffi::WGPUTexelCopyBufferLayout dataLayout = {0, &dstStrideVal, &dstHeight};
|
|
ffi::WGPUTexelCopyTextureInfo copyView = {};
|
|
CommandEncoder::ConvertTextureCopyViewToFFI(aDestination, ©View);
|
|
|
|
auto shmem_handle_index = mBridge->QueueShmemHandle(std::move(handle));
|
|
ffi::wgpu_queue_write_texture_via_shmem(mBridge->GetClient(), mParent->mId,
|
|
mId, copyView, dataLayout, extent,
|
|
shmem_handle_index);
|
|
}
|
|
|
|
} // namespace mozilla::webgpu
|