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818001d32e
Bug: dawn:1275 Change-Id: Ic60a00107a015bc677ff929c492f1085ffc38482 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79083 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Ben Clayton <bclayton@chromium.org>
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Copyright 2021 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn/native/ScratchBuffer.h"
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#include "dawn/native/Device.h"
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namespace dawn::native {
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ScratchBuffer::ScratchBuffer(DeviceBase* device, wgpu::BufferUsage usage)
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: mDevice(device), mUsage(usage) {
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}
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ScratchBuffer::~ScratchBuffer() = default;
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void ScratchBuffer::Reset() {
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mBuffer = nullptr;
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}
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MaybeError ScratchBuffer::EnsureCapacity(uint64_t capacity) {
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if (!mBuffer.Get() || mBuffer->GetSize() < capacity) {
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BufferDescriptor descriptor;
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descriptor.size = capacity;
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descriptor.usage = mUsage;
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DAWN_TRY_ASSIGN(mBuffer, mDevice->CreateBuffer(&descriptor));
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mBuffer->SetIsDataInitialized();
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}
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return {};
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}
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BufferBase* ScratchBuffer::GetBuffer() const {
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ASSERT(mBuffer.Get() != nullptr);
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return mBuffer.Get();
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}
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} // namespace dawn::native
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