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// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_BINDGROUP_H_
#define DAWNNATIVE_BINDGROUP_H_
#include "common/Constants.h"
#include "dawn_native/BindGroupLayout.h"
#include "dawn_native/Builder.h"
#include "dawn_native/Forward.h"
#include "dawn_native/ObjectBase.h"
#include "dawn_native/dawn_platform.h"
#include <array>
#include <bitset>
namespace dawn_native {
class BindGroupBase : public ObjectBase {
public:
BindGroupBase(BindGroupBuilder* builder);
const BindGroupLayoutBase* GetLayout() const;
BufferViewBase* GetBindingAsBufferView(size_t binding);
SamplerBase* GetBindingAsSampler(size_t binding);
TextureViewBase* GetBindingAsTextureView(size_t binding);
private:
Ref<BindGroupLayoutBase> mLayout;
std::array<Ref<ObjectBase>, kMaxBindingsPerGroup> mBindings;
};
class BindGroupBuilder : public Builder<BindGroupBase> {
public:
BindGroupBuilder(DeviceBase* device);
// Dawn API
void SetLayout(BindGroupLayoutBase* layout);
void SetBufferViews(uint32_t start, uint32_t count, BufferViewBase* const* bufferViews);
void SetSamplers(uint32_t start, uint32_t count, SamplerBase* const* samplers);
void SetTextureViews(uint32_t start, uint32_t count, TextureViewBase* const* textureViews);
private:
friend class BindGroupBase;
BindGroupBase* GetResultImpl() override;
void SetBindingsBase(uint32_t start, uint32_t count, ObjectBase* const* objects);
bool SetBindingsValidationBase(uint32_t start, uint32_t count);
std::bitset<kMaxBindingsPerGroup> mSetMask;
int mPropertiesSet = 0;
Ref<BindGroupLayoutBase> mLayout;
std::array<Ref<ObjectBase>, kMaxBindingsPerGroup> mBindings;
};
} // namespace dawn_native
#endif // DAWNNATIVE_BINDGROUP_H_