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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "dawn/native/SharedTextureMemory.h"
#include <utility>
#include "dawn/native/ChainUtils.h"
#include "dawn/native/Device.h"
#include "dawn/native/SharedFence.h"
#include "dawn/native/dawn_platform.h"
namespace dawn::native {
namespace {
class ErrorSharedTextureMemory : public SharedTextureMemoryBase {
public:
ErrorSharedTextureMemory(DeviceBase* device, const SharedTextureMemoryDescriptor* descriptor)
: SharedTextureMemoryBase(device, descriptor, ObjectBase::kError) {}
Ref<SharedTextureMemoryContents> CreateContents() override { DAWN_UNREACHABLE(); }
ResultOrError<Ref<TextureBase>> CreateTextureImpl(
const UnpackedPtr<TextureDescriptor>& descriptor) override {
DAWN_UNREACHABLE();
}
MaybeError BeginAccessImpl(TextureBase* texture,
const UnpackedPtr<BeginAccessDescriptor>& descriptor) override {
DAWN_UNREACHABLE();
}
ResultOrError<FenceAndSignalValue> EndAccessImpl(TextureBase* texture,
UnpackedPtr<EndAccessState>& state) override {
DAWN_UNREACHABLE();
}
};
} // namespace
// static
SharedTextureMemoryBase* SharedTextureMemoryBase::MakeError(
DeviceBase* device,
const SharedTextureMemoryDescriptor* descriptor) {
return new ErrorSharedTextureMemory(device, descriptor);
}
SharedTextureMemoryBase::SharedTextureMemoryBase(DeviceBase* device,
const SharedTextureMemoryDescriptor* descriptor,
ObjectBase::ErrorTag tag)
: ApiObjectBase(device, tag, descriptor->label),
mProperties{
nullptr,
wgpu::TextureUsage::None,
{0, 0, 0},
wgpu::TextureFormat::Undefined,
},
mContents(new SharedTextureMemoryContents(GetWeakRef(this))) {}
SharedTextureMemoryBase::SharedTextureMemoryBase(DeviceBase* device,
const char* label,
const SharedTextureMemoryProperties& properties)
: ApiObjectBase(device, label), mProperties(properties) {
// Reify properties to ensure we don't expose capabilities not supported by the device.
const Format& internalFormat = device->GetValidInternalFormat(mProperties.format);
if (!internalFormat.supportsStorageUsage || internalFormat.IsMultiPlanar()) {
mProperties.usage = mProperties.usage & ~wgpu::TextureUsage::StorageBinding;
}
if (!internalFormat.isRenderable || (internalFormat.IsMultiPlanar() &&
!device->HasFeature(Feature::MultiPlanarRenderTargets))) {
mProperties.usage = mProperties.usage & ~wgpu::TextureUsage::RenderAttachment;
}
if (internalFormat.IsMultiPlanar() &&
!device->HasFeature(Feature::MultiPlanarFormatExtendedUsages)) {
mProperties.usage = mProperties.usage & ~wgpu::TextureUsage::CopyDst;
}
GetObjectTrackingList()->Track(this);
}
ObjectType SharedTextureMemoryBase::GetType() const {
return ObjectType::SharedTextureMemory;
}
void SharedTextureMemoryBase::DestroyImpl() {}
void SharedTextureMemoryBase::Initialize() {
DAWN_ASSERT(!IsError());
mContents = CreateContents();
}
void SharedTextureMemoryBase::APIGetProperties(SharedTextureMemoryProperties* properties) const {
properties->usage = mProperties.usage;
properties->size = mProperties.size;
properties->format = mProperties.format;
UnpackedPtr<SharedTextureMemoryProperties> unpacked;
if (GetDevice()->ConsumedError(ValidateAndUnpack(properties), &unpacked,
"calling %s.GetProperties", this)) {
return;
}
}
TextureBase* SharedTextureMemoryBase::APICreateTexture(const TextureDescriptor* descriptor) {
Ref<TextureBase> result;
// Provide the defaults if no descriptor is provided.
TextureDescriptor defaultDescriptor;
if (descriptor == nullptr) {
defaultDescriptor = {};
defaultDescriptor.format = mProperties.format;
defaultDescriptor.size = mProperties.size;
defaultDescriptor.usage = mProperties.usage;
descriptor = &defaultDescriptor;
}
if (GetDevice()->ConsumedError(CreateTexture(descriptor), &result,
InternalErrorType::OutOfMemory, "calling %s.CreateTexture(%s).",
this, descriptor)) {
return TextureBase::MakeError(GetDevice(), descriptor);
}
return result.Detach();
}
Ref<SharedTextureMemoryContents> SharedTextureMemoryBase::CreateContents() {
return AcquireRef(new SharedTextureMemoryContents(GetWeakRef(this)));
}
ResultOrError<Ref<TextureBase>> SharedTextureMemoryBase::CreateTexture(
const TextureDescriptor* rawDescriptor) {
DAWN_TRY(GetDevice()->ValidateIsAlive());
DAWN_TRY(GetDevice()->ValidateObject(this));
UnpackedPtr<TextureDescriptor> descriptor;
DAWN_TRY_ASSIGN(descriptor, ValidateAndUnpack(rawDescriptor));
// Validate that there is one 2D, single-sampled subresource
DAWN_INVALID_IF(descriptor->dimension != wgpu::TextureDimension::e2D,
"Texture dimension (%s) is not %s.", descriptor->dimension,
wgpu::TextureDimension::e2D);
DAWN_INVALID_IF(descriptor->mipLevelCount != 1, "Mip level count (%u) is not 1.",
descriptor->mipLevelCount);
DAWN_INVALID_IF(descriptor->size.depthOrArrayLayers != 1, "Array layer count (%u) is not 1.",
descriptor->size.depthOrArrayLayers);
DAWN_INVALID_IF(descriptor->sampleCount != 1, "Sample count (%u) is not 1.",
descriptor->sampleCount);
// Validate that the texture size exactly matches the shared texture memory's size.
DAWN_INVALID_IF(
(descriptor->size.width != mProperties.size.width) ||
(descriptor->size.height != mProperties.size.height) ||
(descriptor->size.depthOrArrayLayers != mProperties.size.depthOrArrayLayers),
"SharedTextureMemory size (%s) doesn't match descriptor size (%s).", &mProperties.size,
&descriptor->size);
// Validate that the texture format exactly matches the shared texture memory's format.
DAWN_INVALID_IF(descriptor->format != mProperties.format,
"SharedTextureMemory format (%s) doesn't match descriptor format (%s).",
mProperties.format, descriptor->format);
// Validate the texture descriptor, and require its usage to be a subset of the shared texture
// memory's usage.
DAWN_TRY(ValidateTextureDescriptor(GetDevice(), descriptor, AllowMultiPlanarTextureFormat::Yes,
mProperties.usage));
Ref<TextureBase> texture;
DAWN_TRY_ASSIGN(texture, CreateTextureImpl(descriptor));
// Access is started on memory.BeginAccess.
texture->SetHasAccess(false);
return texture;
}
SharedTextureMemoryContents* SharedTextureMemoryBase::GetContents() const {
return mContents.Get();
}
MaybeError SharedTextureMemoryBase::ValidateTextureCreatedFromSelf(TextureBase* texture) {
auto* contents = texture->GetSharedTextureMemoryContents();
DAWN_INVALID_IF(contents == nullptr, "%s was not created from %s.", texture, this);
auto* sharedTextureMemory =
texture->GetSharedTextureMemoryContents()->GetSharedTextureMemory().Promote().Get();
DAWN_INVALID_IF(sharedTextureMemory != this, "%s created from %s cannot be used with %s.",
texture, sharedTextureMemory, this);
return {};
}
bool SharedTextureMemoryBase::APIBeginAccess(TextureBase* texture,
const BeginAccessDescriptor* descriptor) {
bool didBegin = false;
DAWN_UNUSED(GetDevice()->ConsumedError(
[&]() -> MaybeError {
// Validate there is not another ongoing access and then set the current access.
// This is done first because BeginAccess should acquire access regardless of whether or
// not the internals generate an error.
DAWN_INVALID_IF(mCurrentAccess != nullptr,
"Cannot begin access with %s on %s which is currently accessed by %s.",
texture, this, mCurrentAccess.Get());
mCurrentAccess = texture;
didBegin = true;
return BeginAccess(texture, descriptor);
}(),
"calling %s.BeginAccess(%s).", this, texture));
return didBegin;
}
bool SharedTextureMemoryBase::APIIsDeviceLost() {
return GetDevice()->IsLost();
}
MaybeError SharedTextureMemoryBase::BeginAccess(TextureBase* texture,
const BeginAccessDescriptor* rawDescriptor) {
UnpackedPtr<BeginAccessDescriptor> descriptor;
DAWN_TRY_ASSIGN(descriptor, ValidateAndUnpack(rawDescriptor));
// Append begin fences first. Fences should be tracked regardless of whether later errors occur.
for (size_t i = 0; i < descriptor->fenceCount; ++i) {
mContents->mPendingFences->push_back(
{descriptor->fences[i], descriptor->signaledValues[i]});
}
DAWN_TRY(GetDevice()->ValidateIsAlive());
DAWN_TRY(GetDevice()->ValidateObject(texture));
for (size_t i = 0; i < descriptor->fenceCount; ++i) {
DAWN_TRY(GetDevice()->ValidateObject(descriptor->fences[i]));
}
DAWN_TRY(ValidateTextureCreatedFromSelf(texture));
DAWN_INVALID_IF(texture->GetFormat().IsMultiPlanar() && !descriptor->initialized,
"BeginAccess on %s with multiplanar format (%s) must be initialized.", texture,
texture->GetFormat().format);
DAWN_TRY(BeginAccessImpl(texture, descriptor));
if (!texture->IsError()) {
texture->SetHasAccess(true);
texture->SetIsSubresourceContentInitialized(descriptor->initialized,
texture->GetAllSubresources());
}
return {};
}
bool SharedTextureMemoryBase::APIEndAccess(TextureBase* texture, EndAccessState* state) {
bool didEnd = false;
DAWN_UNUSED(GetDevice()->ConsumedError(
[&]() -> MaybeError {
DAWN_INVALID_IF(mCurrentAccess != texture,
"Cannot end access with %s on %s which is currently accessed by %s.",
texture, this, mCurrentAccess.Get());
mCurrentAccess = nullptr;
didEnd = true;
return EndAccess(texture, state);
}(),
"calling %s.EndAccess(%s).", this, texture));
return didEnd;
}
MaybeError SharedTextureMemoryBase::EndAccess(TextureBase* texture, EndAccessState* state) {
PendingFenceList fenceList;
mContents->AcquirePendingFences(&fenceList);
if (!texture->IsError()) {
texture->SetHasAccess(false);
}
// Call the error-generating part of the EndAccess implementation. This is separated out because
// writing the output state must happen regardless of whether or not EndAccessInternal
// succeeds.
MaybeError err;
{
ResultOrError<FenceAndSignalValue> result = EndAccessInternal(texture, state);
if (result.IsSuccess()) {
fenceList->push_back(result.AcquireSuccess());
} else {
err = result.AcquireError();
}
}
// Copy the fences to the output state.
if (size_t fenceCount = fenceList->size()) {
auto* fences = new SharedFenceBase*[fenceCount];
uint64_t* signaledValues = new uint64_t[fenceCount];
for (size_t i = 0; i < fenceCount; ++i) {
fences[i] = fenceList[i].object.Detach();
signaledValues[i] = fenceList[i].signaledValue;
}
state->fenceCount = fenceCount;
state->fences = fences;
state->signaledValues = signaledValues;
} else {
state->fenceCount = 0;
state->fences = nullptr;
state->signaledValues = nullptr;
}
state->initialized = texture->IsError() ||
texture->IsSubresourceContentInitialized(texture->GetAllSubresources());
return err;
}
ResultOrError<FenceAndSignalValue> SharedTextureMemoryBase::EndAccessInternal(
TextureBase* texture,
EndAccessState* rawState) {
DAWN_TRY(GetDevice()->ValidateObject(texture));
DAWN_TRY(ValidateTextureCreatedFromSelf(texture));
UnpackedPtr<EndAccessState> state;
DAWN_TRY_ASSIGN(state, ValidateAndUnpack(rawState));
return EndAccessImpl(texture, state);
}
// SharedTextureMemoryContents
SharedTextureMemoryContents::SharedTextureMemoryContents(
WeakRef<SharedTextureMemoryBase> sharedTextureMemory)
: mSharedTextureMemory(std::move(sharedTextureMemory)) {}
const WeakRef<SharedTextureMemoryBase>& SharedTextureMemoryContents::GetSharedTextureMemory()
const {
return mSharedTextureMemory;
}
void SharedTextureMemoryContents::AcquirePendingFences(PendingFenceList* fences) {
*fences = mPendingFences;
mPendingFences->clear();
}
void SharedTextureMemoryContents::SetLastUsageSerial(ExecutionSerial lastUsageSerial) {
mLastUsageSerial = lastUsageSerial;
}
ExecutionSerial SharedTextureMemoryContents::GetLastUsageSerial() const {
return mLastUsageSerial;
}
void APISharedTextureMemoryEndAccessStateFreeMembers(WGPUSharedTextureMemoryEndAccessState cState) {
auto* state = reinterpret_cast<SharedTextureMemoryBase::EndAccessState*>(&cState);
for (size_t i = 0; i < state->fenceCount; ++i) {
state->fences[i]->APIRelease();
}
delete[] state->fences;
delete[] state->signaledValues;
}
} // namespace dawn::native