mirror of
https://github.com/encounter/dawn-cmake.git
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This CL updates the clang format files to have a single shared format between Dawn and Tint. The major changes are tabs are 4 spaces, lines are 100 columns and namespaces are not indented. Bug: dawn:1339 Change-Id: I4208742c95643998d9fd14e77a9cc558071ded39 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87603 Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
171 lines
6.5 KiB
C++
171 lines
6.5 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 SRC_DAWN_NATIVE_BINDGROUPLAYOUT_H_
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#define SRC_DAWN_NATIVE_BINDGROUPLAYOUT_H_
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#include <algorithm>
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#include <bitset>
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#include <map>
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#include <string>
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#include "dawn/common/Constants.h"
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#include "dawn/common/Math.h"
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#include "dawn/common/SlabAllocator.h"
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#include "dawn/common/ityp_span.h"
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#include "dawn/common/ityp_vector.h"
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#include "dawn/native/BindingInfo.h"
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#include "dawn/native/CachedObject.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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namespace dawn::native {
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// TODO(dawn:1082): Minor optimization to use BindingIndex instead of BindingNumber
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struct ExternalTextureBindingExpansion {
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BindingNumber plane0;
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BindingNumber plane1;
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BindingNumber params;
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};
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using ExternalTextureBindingExpansionMap = std::map<BindingNumber, ExternalTextureBindingExpansion>;
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MaybeError ValidateBindGroupLayoutDescriptor(DeviceBase* device,
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const BindGroupLayoutDescriptor* descriptor,
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bool allowInternalBinding = false);
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// Bindings are specified as a |BindingNumber| in the BindGroupLayoutDescriptor.
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// These numbers may be arbitrary and sparse. Internally, Dawn packs these numbers
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// into a packed range of |BindingIndex| integers.
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class BindGroupLayoutBase : public ApiObjectBase, public CachedObject {
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public:
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BindGroupLayoutBase(DeviceBase* device,
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const BindGroupLayoutDescriptor* descriptor,
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PipelineCompatibilityToken pipelineCompatibilityToken,
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ApiObjectBase::UntrackedByDeviceTag tag);
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BindGroupLayoutBase(DeviceBase* device,
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const BindGroupLayoutDescriptor* descriptor,
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PipelineCompatibilityToken pipelineCompatibilityToken);
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~BindGroupLayoutBase() override;
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static BindGroupLayoutBase* MakeError(DeviceBase* device);
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ObjectType GetType() const override;
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// A map from the BindingNumber to its packed BindingIndex.
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using BindingMap = std::map<BindingNumber, BindingIndex>;
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const BindingInfo& GetBindingInfo(BindingIndex bindingIndex) const {
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ASSERT(!IsError());
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ASSERT(bindingIndex < mBindingInfo.size());
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return mBindingInfo[bindingIndex];
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}
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const BindingMap& GetBindingMap() const;
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bool HasBinding(BindingNumber bindingNumber) const;
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BindingIndex GetBindingIndex(BindingNumber bindingNumber) const;
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// Functions necessary for the unordered_set<BGLBase*>-based cache.
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size_t ComputeContentHash() override;
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struct EqualityFunc {
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bool operator()(const BindGroupLayoutBase* a, const BindGroupLayoutBase* b) const;
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};
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BindingIndex GetBindingCount() const;
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// Returns |BindingIndex| because buffers are packed at the front.
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BindingIndex GetBufferCount() const;
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// Returns |BindingIndex| because dynamic buffers are packed at the front.
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BindingIndex GetDynamicBufferCount() const;
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uint32_t GetUnverifiedBufferCount() const;
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// Used to get counts and validate them in pipeline layout creation. Other getters
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// should be used to get typed integer counts.
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const BindingCounts& GetBindingCountInfo() const;
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uint32_t GetExternalTextureBindingCount() const;
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// Used to specify unpacked external texture binding slots when transforming shader modules.
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const ExternalTextureBindingExpansionMap& GetExternalTextureBindingExpansionMap() const;
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uint32_t GetUnexpandedBindingCount() const;
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// Tests that the BindingInfo of two bind groups are equal,
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// ignoring their compatibility groups.
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bool IsLayoutEqual(const BindGroupLayoutBase* other,
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bool excludePipelineCompatibiltyToken = false) const;
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PipelineCompatibilityToken GetPipelineCompatibilityToken() const;
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struct BufferBindingData {
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uint64_t offset;
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uint64_t size;
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};
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struct BindingDataPointers {
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ityp::span<BindingIndex, BufferBindingData> const bufferData = {};
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ityp::span<BindingIndex, Ref<ObjectBase>> const bindings = {};
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ityp::span<uint32_t, uint64_t> const unverifiedBufferSizes = {};
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};
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// Compute the amount of space / alignment required to store bindings for a bind group of
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// this layout.
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size_t GetBindingDataSize() const;
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static constexpr size_t GetBindingDataAlignment() {
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static_assert(alignof(Ref<ObjectBase>) <= alignof(BufferBindingData));
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return alignof(BufferBindingData);
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}
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BindingDataPointers ComputeBindingDataPointers(void* dataStart) const;
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bool IsStorageBufferBinding(BindingIndex bindingIndex) const;
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// Returns a detailed string representation of the layout entries for use in error messages.
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std::string EntriesToString() const;
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protected:
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// Constructor used only for mocking and testing.
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explicit BindGroupLayoutBase(DeviceBase* device);
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void DestroyImpl() override;
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template <typename BindGroup>
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SlabAllocator<BindGroup> MakeFrontendBindGroupAllocator(size_t size) {
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return SlabAllocator<BindGroup>(
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size, // bytes
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Align(sizeof(BindGroup), GetBindingDataAlignment()) + GetBindingDataSize(), // size
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std::max(alignof(BindGroup), GetBindingDataAlignment()) // alignment
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);
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}
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private:
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BindGroupLayoutBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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BindingCounts mBindingCounts = {};
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ityp::vector<BindingIndex, BindingInfo> mBindingInfo;
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// Map from BindGroupLayoutEntry.binding to packed indices.
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BindingMap mBindingMap;
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ExternalTextureBindingExpansionMap mExternalTextureBindingExpansionMap;
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// Non-0 if this BindGroupLayout was created as part of a default PipelineLayout.
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const PipelineCompatibilityToken mPipelineCompatibilityToken = PipelineCompatibilityToken(0);
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uint32_t mUnexpandedBindingCount;
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};
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} // namespace dawn::native
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#endif // SRC_DAWN_NATIVE_BINDGROUPLAYOUT_H_
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