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https://github.com/encounter/dawn-cmake.git
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f434fdc6ed
Bug: dawn:459 Change-Id: I755cc0ada7be7b1cb71724cb410ab0c3a88cea24 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/22421 Commit-Queue: Idan Raiter <idanr@google.com> Reviewed-by: Austin Eng <enga@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
87 lines
3.2 KiB
C++
87 lines
3.2 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 DAWNNATIVE_BINDGROUP_H_
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#define DAWNNATIVE_BINDGROUP_H_
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#include "common/Constants.h"
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#include "common/Math.h"
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#include "dawn_native/BindGroupLayout.h"
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#include "dawn_native/Error.h"
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#include "dawn_native/Forward.h"
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#include "dawn_native/ObjectBase.h"
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#include "dawn_native/dawn_platform.h"
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#include <array>
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namespace dawn_native {
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class DeviceBase;
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MaybeError ValidateBindGroupDescriptor(DeviceBase* device,
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const BindGroupDescriptor* descriptor);
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struct BufferBinding {
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BufferBase* buffer;
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uint64_t offset;
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uint64_t size;
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};
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class BindGroupBase : public ObjectBase {
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public:
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static BindGroupBase* MakeError(DeviceBase* device);
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BindGroupLayoutBase* GetLayout();
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const BindGroupLayoutBase* GetLayout() const;
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BufferBinding GetBindingAsBufferBinding(BindingIndex bindingIndex);
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SamplerBase* GetBindingAsSampler(BindingIndex bindingIndex) const;
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TextureViewBase* GetBindingAsTextureView(BindingIndex bindingIndex);
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const ityp::span<uint32_t, uint64_t>& GetUnverifiedBufferSizes() const;
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protected:
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// To save memory, the size of a bind group is dynamically determined and the bind group is
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// placement-allocated into memory big enough to hold the bind group with its
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// dynamically-sized bindings after it. The pointer of the memory of the beginning of the
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// binding data should be passed as |bindingDataStart|.
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BindGroupBase(DeviceBase* device,
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const BindGroupDescriptor* descriptor,
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void* bindingDataStart);
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// Helper to instantiate BindGroupBase. We pass in |derived| because BindGroupBase may not
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// be first in the allocation. The binding data is stored after the Derived class.
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template <typename Derived>
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BindGroupBase(Derived* derived, DeviceBase* device, const BindGroupDescriptor* descriptor)
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: BindGroupBase(device,
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descriptor,
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AlignPtr(reinterpret_cast<char*>(derived) + sizeof(Derived),
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descriptor->layout->GetBindingDataAlignment())) {
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static_assert(std::is_base_of<BindGroupBase, Derived>::value, "");
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}
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protected:
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~BindGroupBase() override;
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private:
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BindGroupBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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void DeleteThis() override;
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Ref<BindGroupLayoutBase> mLayout;
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BindGroupLayoutBase::BindingDataPointers mBindingData;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_BINDGROUP_H_
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