90 lines
3.7 KiB
C++
90 lines
3.7 KiB
C++
// Copyright 2019 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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#ifndef DAWNNATIVE_BINDGROUPANDSTORAGEBARRIERTRACKER_H_
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#define DAWNNATIVE_BINDGROUPANDSTORAGEBARRIERTRACKER_H_
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#include "dawn_native/BindGroup.h"
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#include "dawn_native/BindGroupTracker.h"
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namespace dawn_native {
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// Extends BindGroupTrackerBase to also keep track of resources that need a usage transition.
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template <bool CanInheritBindGroups, typename DynamicOffset>
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class BindGroupAndStorageBarrierTrackerBase
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: public BindGroupTrackerBase<CanInheritBindGroups, DynamicOffset> {
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using Base = BindGroupTrackerBase<CanInheritBindGroups, DynamicOffset>;
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public:
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BindGroupAndStorageBarrierTrackerBase() = default;
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void OnSetBindGroup(uint32_t index,
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BindGroupBase* bindGroup,
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uint32_t dynamicOffsetCount,
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uint32_t* dynamicOffsets) {
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if (this->mBindGroups[index] != bindGroup) {
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mBuffers[index] = {};
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mBuffersNeedingBarrier[index] = {};
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const BindGroupLayoutBase* layout = bindGroup->GetLayout();
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for (BindingIndex bindingIndex = 0; bindingIndex < layout->GetBindingCount();
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++bindingIndex) {
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const BindingInfo& bindingInfo = layout->GetBindingInfo(bindingIndex);
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if ((bindingInfo.visibility & wgpu::ShaderStage::Compute) == 0) {
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continue;
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}
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mBindingTypes[index][bindingIndex] = bindingInfo.type;
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switch (bindingInfo.type) {
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case wgpu::BindingType::UniformBuffer:
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case wgpu::BindingType::ReadonlyStorageBuffer:
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case wgpu::BindingType::Sampler:
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case wgpu::BindingType::SampledTexture:
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// Don't require barriers.
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break;
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case wgpu::BindingType::StorageBuffer:
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mBuffersNeedingBarrier[index].set(bindingIndex);
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mBuffers[index][bindingIndex] =
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bindGroup->GetBindingAsBufferBinding(bindingIndex).buffer;
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break;
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case wgpu::BindingType::StorageTexture:
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case wgpu::BindingType::ReadonlyStorageTexture:
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case wgpu::BindingType::WriteonlyStorageTexture:
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// Not implemented.
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default:
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UNREACHABLE();
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break;
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}
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}
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}
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Base::OnSetBindGroup(index, bindGroup, dynamicOffsetCount, dynamicOffsets);
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}
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protected:
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std::array<std::bitset<kMaxBindingsPerGroup>, kMaxBindGroups> mBuffersNeedingBarrier = {};
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std::array<std::array<wgpu::BindingType, kMaxBindingsPerGroup>, kMaxBindGroups>
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mBindingTypes = {};
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std::array<std::array<BufferBase*, kMaxBindingsPerGroup>, kMaxBindGroups> mBuffers = {};
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_BINDGROUPANDSTORAGEBARRIERTRACKER_H_
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