chromium/third_party/dawn/src/dawn/native/SharedResourceMemory.cpp

// Copyright 2024 The Dawn & Tint Authors
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#include "dawn/native/SharedResourceMemory.h"

#include <algorithm>
#include <utility>

#include "dawn/native/Buffer.h"
#include "dawn/native/ChainUtils.h"
#include "dawn/native/Device.h"
#include "dawn/native/Queue.h"
#include "dawn/native/Texture.h"

namespace dawn::native {

SharedResource::~SharedResource() = default;

SharedResourceMemoryContents* SharedResource::GetSharedResourceMemoryContents() const { … }

SharedResourceMemory::SharedResourceMemory(DeviceBase* device,
                                           ObjectBase::ErrorTag tag,
                                           const char* label)
    : … { … }

SharedResourceMemory::~SharedResourceMemory() = default;

void SharedResourceMemory::DestroyImpl() { … }

bool SharedResourceMemoryContents::HasWriteAccess() const { … }

bool SharedResourceMemoryContents::HasExclusiveReadAccess() const { … }

int SharedResourceMemoryContents::GetReadAccessCount() const { … }

void SharedResourceMemory::Initialize() { … }

Ref<SharedResourceMemoryContents> SharedResourceMemory::CreateContents() { … }

SharedResourceMemoryContents* SharedResourceMemory::GetContents() const { … }

MaybeError SharedResourceMemory::ValidateResourceCreatedFromSelf(SharedResource* resource) { … }

wgpu::Status SharedResourceMemory::APIBeginAccess(
    TextureBase* texture,
    const SharedTextureMemoryBeginAccessDescriptor* descriptor) { … }

wgpu::Status SharedResourceMemory::APIBeginAccess(
    BufferBase* buffer,
    const SharedBufferMemoryBeginAccessDescriptor* descriptor) { … }

template <typename Resource, typename BeginAccessDescriptor>
MaybeError SharedResourceMemory::BeginAccess(Resource* resource,
                                             const BeginAccessDescriptor* rawDescriptor) { … }

wgpu::Status SharedResourceMemory::APIEndAccess(TextureBase* texture,
                                                SharedTextureMemoryEndAccessState* state) { … }

wgpu::Status SharedResourceMemory::APIEndAccess(BufferBase* buffer,
                                                SharedBufferMemoryEndAccessState* state) { … }

MaybeError SharedResourceMemory::BeginAccessImpl(
    TextureBase* texture,
    const UnpackedPtr<SharedTextureMemoryBeginAccessDescriptor>& descriptor) { … }

MaybeError SharedResourceMemory::BeginAccessImpl(
    BufferBase* buffer,
    const UnpackedPtr<SharedBufferMemoryBeginAccessDescriptor>& descriptor) { … }

ResultOrError<FenceAndSignalValue> SharedResourceMemory::EndAccessImpl(
    TextureBase* texture,
    ExecutionSerial lastUsageSerial,
    UnpackedPtr<SharedTextureMemoryEndAccessState>& state) { … }

ResultOrError<FenceAndSignalValue> SharedResourceMemory::EndAccessImpl(
    BufferBase* buffer,
    ExecutionSerial lastUsageSerial,
    UnpackedPtr<SharedBufferMemoryEndAccessState>& state) { … }

bool SharedResourceMemory::APIIsDeviceLost() const { … }

template <typename Resource, typename EndAccessState>
MaybeError SharedResourceMemory::EndAccess(Resource* resource, EndAccessState* state) { … }

template <typename Resource, typename EndAccessState>
ResultOrError<FenceAndSignalValue> SharedResourceMemory::EndAccessInternal(
    ExecutionSerial lastUsageSerial,
    Resource* resource,
    EndAccessState* rawState) { … }

// SharedResourceMemoryContents

SharedResourceMemoryContents::SharedResourceMemoryContents(
    WeakRef<SharedResourceMemory> sharedResourceMemory)
    : … { … }

const WeakRef<SharedResourceMemory>& SharedResourceMemoryContents::GetSharedResourceMemory() const { … }

void SharedResourceMemoryContents::AcquirePendingFences(PendingFenceList* fences) { … }

}  // namespace dawn::native