97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
// Copyright 2017 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 BACKEND_BINDGROUP_H_
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#define BACKEND_BINDGROUP_H_
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#include "common/Constants.h"
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#include "dawn_native/BindGroupLayout.h"
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#include "dawn_native/Builder.h"
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#include "dawn_native/Forward.h"
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#include "dawn_native/RefCounted.h"
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#include "dawn/dawncpp.h"
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#include <array>
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#include <bitset>
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#include <type_traits>
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namespace backend {
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class BindGroupBase : public RefCounted {
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public:
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BindGroupBase(BindGroupBuilder* builder);
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const BindGroupLayoutBase* GetLayout() const;
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dawn::BindGroupUsage GetUsage() const;
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BufferViewBase* GetBindingAsBufferView(size_t binding);
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SamplerBase* GetBindingAsSampler(size_t binding);
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TextureViewBase* GetBindingAsTextureView(size_t binding);
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DeviceBase* GetDevice() const;
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private:
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Ref<BindGroupLayoutBase> mLayout;
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dawn::BindGroupUsage mUsage;
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std::array<Ref<RefCounted>, kMaxBindingsPerGroup> mBindings;
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};
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class BindGroupBuilder : public Builder<BindGroupBase> {
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public:
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BindGroupBuilder(DeviceBase* device);
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// Dawn API
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void SetLayout(BindGroupLayoutBase* layout);
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void SetUsage(dawn::BindGroupUsage usage);
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template <typename T>
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void SetBufferViews(uint32_t start, uint32_t count, T* const* bufferViews) {
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static_assert(std::is_base_of<BufferViewBase, T>::value, "");
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SetBufferViews(start, count, reinterpret_cast<BufferViewBase* const*>(bufferViews));
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}
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void SetBufferViews(uint32_t start, uint32_t count, BufferViewBase* const* bufferViews);
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template <typename T>
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void SetSamplers(uint32_t start, uint32_t count, T* const* samplers) {
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static_assert(std::is_base_of<SamplerBase, T>::value, "");
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SetSamplers(start, count, reinterpret_cast<SamplerBase* const*>(samplers));
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}
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void SetSamplers(uint32_t start, uint32_t count, SamplerBase* const* samplers);
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template <typename T>
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void SetTextureViews(uint32_t start, uint32_t count, T* const* textureViews) {
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static_assert(std::is_base_of<TextureViewBase, T>::value, "");
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SetTextureViews(start, count, reinterpret_cast<TextureViewBase* const*>(textureViews));
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}
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void SetTextureViews(uint32_t start, uint32_t count, TextureViewBase* const* textureViews);
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private:
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friend class BindGroupBase;
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BindGroupBase* GetResultImpl() override;
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void SetBindingsBase(uint32_t start, uint32_t count, RefCounted* const* objects);
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bool SetBindingsValidationBase(uint32_t start, uint32_t count);
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std::bitset<kMaxBindingsPerGroup> mSetMask;
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int mPropertiesSet = 0;
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Ref<BindGroupLayoutBase> mLayout;
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dawn::BindGroupUsage mUsage;
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std::array<Ref<RefCounted>, kMaxBindingsPerGroup> mBindings;
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};
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} // namespace backend
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#endif // BACKEND_BINDGROUP_H_
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