dawn-cmake/src/backend/common/BindGroup.h

93 lines
3.4 KiB
C++

// Copyright 2017 The NXT 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 BACKEND_COMMON_BINDGROUP_H_
#define BACKEND_COMMON_BINDGROUP_H_
#include "Forward.h"
#include "Builder.h"
#include "RefCounted.h"
#include "nxt/nxtcpp.h"
#include <array>
#include <bitset>
#include <type_traits>
namespace backend {
class BindGroupBase : public RefCounted {
public:
BindGroupBase(BindGroupBuilder* builder);
const BindGroupLayoutBase* GetLayout() const;
nxt::BindGroupUsage GetUsage() const;
BufferViewBase* GetBindingAsBufferView(size_t binding);
SamplerBase* GetBindingAsSampler(size_t binding);
TextureViewBase* GetBindingAsTextureView(size_t binding);
private:
Ref<BindGroupLayoutBase> layout;
nxt::BindGroupUsage usage;
std::array<Ref<RefCounted>, kMaxBindingsPerGroup> bindings;
};
class BindGroupBuilder : public Builder {
public:
BindGroupBuilder(DeviceBase* device);
// NXT API
BindGroupBase* GetResult();
void SetLayout(BindGroupLayoutBase* layout);
void SetUsage(nxt::BindGroupUsage usage);
template<typename T>
void SetBufferViews(uint32_t start, uint32_t count, T* const* bufferViews) {
static_assert(std::is_base_of<BufferViewBase, T>::value, "");
SetBufferViews(start, count, reinterpret_cast<BufferViewBase* const*>(bufferViews));
}
void SetBufferViews(uint32_t start, uint32_t count, BufferViewBase* const * bufferViews);
template<typename T>
void SetSamplers(uint32_t start, uint32_t count, T* const* samplers) {
static_assert(std::is_base_of<SamplerBase, T>::value, "");
SetSamplers(start, count, reinterpret_cast<SamplerBase* const*>(samplers));
}
void SetSamplers(uint32_t start, uint32_t count, SamplerBase* const * samplers);
template<typename T>
void SetTextureViews(uint32_t start, uint32_t count, T* const* textureViews) {
static_assert(std::is_base_of<TextureViewBase, T>::value, "");
SetTextureViews(start, count, reinterpret_cast<TextureViewBase* const*>(textureViews));
}
void SetTextureViews(uint32_t start, uint32_t count, TextureViewBase* const * textureViews);
private:
friend class BindGroupBase;
void SetBindingsBase(uint32_t start, uint32_t count, RefCounted* const * objects);
bool SetBindingsValidationBase(uint32_t start, uint32_t count);
std::bitset<kMaxBindingsPerGroup> setMask;
int propertiesSet = 0;
Ref<BindGroupLayoutBase> layout;
nxt::BindGroupUsage usage;
std::array<Ref<RefCounted>, kMaxBindingsPerGroup> bindings;
};
}
#endif // BACKEND_COMMON_BINDGROUP_H_