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Implement Buffer::MapAsync 

MapAsync in dawn_native is fully implemented and only missing
a couple cleanups that can be done once MapRead/WriteAsync are
removed.

MapAsync in dawn_wire is left as a pure shim on top of
MapRead/WriteAsync and will be transitioned to its own commands
in follow-ups.

All MapRead/WriteAsync end2end and validation tests are duplicated
for MapAsync.

Bug: dawn:445

Change-Id: Ib1430b9257149917be19a84f13e0ddd2a8eccc32
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/24260
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
This commit is contained in:
Corentin Wallez 2020-07-14 12:30:14 +00:00 committed by Commit Bot service account
parent 92f501dbfd
commit 0d52f800a1
22 changed files with 1032 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
dawn.json
View File

@ -197,6 +197,16 @@
{"name": "userdata", "type": "void", "annotation": "*"} {"name": "userdata", "type": "void", "annotation": "*"}
] ]
}, },
{
"name": "map async",
"args": [
{"name": "flags", "type": "map mode"},
{"name": "offset", "type": "size_t"},
{"name": "size", "type": "size_t"},
{"name": "callback", "type": "buffer map callback"},
{"name": "userdata", "type": "void", "annotation": "*"}
]
},
{ {
"name": "get mapped range", "name": "get mapped range",
"returns": "void *" "returns": "void *"
@ -234,6 +244,13 @@
{"name": "mapped at creation", "type": "bool", "default": "false"} {"name": "mapped at creation", "type": "bool", "default": "false"}
] ]
}, },
"buffer map callback": {
"category": "callback",
"args": [
{"name": "status", "type": "buffer map async status"},
{"name": "userdata", "type": "void", "annotation": "*"}
]
},
"buffer map read callback": { "buffer map read callback": {
"category": "callback", "category": "callback",
"args": [ "args": [
@ -864,6 +881,14 @@
{"value": 1, "name": "load"} {"value": 1, "name": "load"}
] ]
}, },
"map mode": {
"category": "bitmask",
"values": [
{"value": 0, "name": "none"},
{"value": 1, "name": "read"},
{"value": 2, "name": "write"}
]
},
"store op": { "store op": {
"category": "enum", "category": "enum",
"values": [ "values": [

1
dawn_wire.json
View File

@ -102,6 +102,7 @@
"SurfaceDescriptorFromXlib" "SurfaceDescriptorFromXlib"
], ],
"client_side_commands": [ "client_side_commands": [
"BufferMapAsync",
"BufferMapReadAsync", "BufferMapReadAsync",
"BufferMapWriteAsync", "BufferMapWriteAsync",
"BufferSetSubData", "BufferSetSubData",

18
generator/templates/mock_webgpu.cpp
View File

@ -96,6 +96,19 @@ void ProcTableAsClass::BufferMapWriteAsync(WGPUBuffer self,
OnBufferMapWriteAsyncCallback(self, callback, userdata); OnBufferMapWriteAsyncCallback(self, callback, userdata);
} }
void ProcTableAsClass::BufferMapAsync(WGPUBuffer self,
WGPUMapModeFlags mode,
size_t offset,
size_t size,
WGPUBufferMapCallback callback,
void* userdata) {
auto object = reinterpret_cast<ProcTableAsClass::Object*>(self);
object->mapAsyncCallback = callback;
object->userdata = userdata;
OnBufferMapAsyncCallback(self, callback, userdata);
}
void ProcTableAsClass::FenceOnCompletion(WGPUFence self, void ProcTableAsClass::FenceOnCompletion(WGPUFence self,
uint64_t value, uint64_t value,
WGPUFenceOnCompletionCallback callback, WGPUFenceOnCompletionCallback callback,
@ -135,6 +148,11 @@ void ProcTableAsClass::CallMapWriteCallback(WGPUBuffer buffer,
object->mapWriteCallback(status, data, dataLength, object->userdata); object->mapWriteCallback(status, data, dataLength, object->userdata);
} }
void ProcTableAsClass::CallMapAsyncCallback(WGPUBuffer buffer, WGPUBufferMapAsyncStatus status) {
auto object = reinterpret_cast<ProcTableAsClass::Object*>(buffer);
object->mapAsyncCallback(status, object->userdata);
}
void ProcTableAsClass::CallFenceOnCompletionCallback(WGPUFence fence, void ProcTableAsClass::CallFenceOnCompletionCallback(WGPUFence fence,
WGPUFenceCompletionStatus status) { WGPUFenceCompletionStatus status) {
auto object = reinterpret_cast<ProcTableAsClass::Object*>(fence); auto object = reinterpret_cast<ProcTableAsClass::Object*>(fence);

15
generator/templates/mock_webgpu.h
View File

@ -65,6 +65,12 @@ class ProcTableAsClass {
void BufferMapWriteAsync(WGPUBuffer self, void BufferMapWriteAsync(WGPUBuffer self,
WGPUBufferMapWriteCallback callback, WGPUBufferMapWriteCallback callback,
void* userdata); void* userdata);
void BufferMapAsync(WGPUBuffer self,
WGPUMapModeFlags mode,
size_t offset,
size_t size,
WGPUBufferMapCallback callback,
void* userdata);
void FenceOnCompletion(WGPUFence self, void FenceOnCompletion(WGPUFence self,
uint64_t value, uint64_t value,
WGPUFenceOnCompletionCallback callback, WGPUFenceOnCompletionCallback callback,
@ -86,6 +92,9 @@ class ProcTableAsClass {
virtual void OnBufferMapWriteAsyncCallback(WGPUBuffer buffer, virtual void OnBufferMapWriteAsyncCallback(WGPUBuffer buffer,
WGPUBufferMapWriteCallback callback, WGPUBufferMapWriteCallback callback,
void* userdata) = 0; void* userdata) = 0;
virtual void OnBufferMapAsyncCallback(WGPUBuffer buffer,
WGPUBufferMapCallback callback,
void* userdata) = 0;
virtual void OnFenceOnCompletionCallback(WGPUFence fence, virtual void OnFenceOnCompletionCallback(WGPUFence fence,
uint64_t value, uint64_t value,
WGPUFenceOnCompletionCallback callback, WGPUFenceOnCompletionCallback callback,
@ -96,6 +105,7 @@ class ProcTableAsClass {
void CallDeviceLostCallback(WGPUDevice device, const char* message); void CallDeviceLostCallback(WGPUDevice device, const char* message);
void CallMapReadCallback(WGPUBuffer buffer, WGPUBufferMapAsyncStatus status, const void* data, uint64_t dataLength); void CallMapReadCallback(WGPUBuffer buffer, WGPUBufferMapAsyncStatus status, const void* data, uint64_t dataLength);
void CallMapWriteCallback(WGPUBuffer buffer, WGPUBufferMapAsyncStatus status, void* data, uint64_t dataLength); void CallMapWriteCallback(WGPUBuffer buffer, WGPUBufferMapAsyncStatus status, void* data, uint64_t dataLength);
void CallMapAsyncCallback(WGPUBuffer buffer, WGPUBufferMapAsyncStatus status);
void CallFenceOnCompletionCallback(WGPUFence fence, WGPUFenceCompletionStatus status); void CallFenceOnCompletionCallback(WGPUFence fence, WGPUFenceCompletionStatus status);
struct Object { struct Object {
@ -104,6 +114,7 @@ class ProcTableAsClass {
WGPUDeviceLostCallback deviceLostCallback = nullptr; WGPUDeviceLostCallback deviceLostCallback = nullptr;
WGPUBufferMapReadCallback mapReadCallback = nullptr; WGPUBufferMapReadCallback mapReadCallback = nullptr;
WGPUBufferMapWriteCallback mapWriteCallback = nullptr; WGPUBufferMapWriteCallback mapWriteCallback = nullptr;
WGPUBufferMapCallback mapAsyncCallback = nullptr;
WGPUFenceOnCompletionCallback fenceOnCompletionCallback = nullptr; WGPUFenceOnCompletionCallback fenceOnCompletionCallback = nullptr;
void* userdata = 0; void* userdata = 0;
}; };
@ -140,6 +151,10 @@ class MockProcTable : public ProcTableAsClass {
MOCK_METHOD(bool, OnDevicePopErrorScopeCallback, (WGPUDevice device, WGPUErrorCallback callback, void* userdata), (override)); MOCK_METHOD(bool, OnDevicePopErrorScopeCallback, (WGPUDevice device, WGPUErrorCallback callback, void* userdata), (override));
MOCK_METHOD(void, OnBufferMapReadAsyncCallback, (WGPUBuffer buffer, WGPUBufferMapReadCallback callback, void* userdata), (override)); MOCK_METHOD(void, OnBufferMapReadAsyncCallback, (WGPUBuffer buffer, WGPUBufferMapReadCallback callback, void* userdata), (override));
MOCK_METHOD(void, OnBufferMapWriteAsyncCallback, (WGPUBuffer buffer, WGPUBufferMapWriteCallback callback, void* userdata), (override)); MOCK_METHOD(void, OnBufferMapWriteAsyncCallback, (WGPUBuffer buffer, WGPUBufferMapWriteCallback callback, void* userdata), (override));
MOCK_METHOD(void,
OnBufferMapAsyncCallback,
(WGPUBuffer buffer, WGPUBufferMapCallback callback, void* userdata),
(override));
MOCK_METHOD(void, OnFenceOnCompletionCallback, (WGPUFence fence, uint64_t value, WGPUFenceOnCompletionCallback callback, void* userdata), (override)); MOCK_METHOD(void, OnFenceOnCompletionCallback, (WGPUFence fence, uint64_t value, WGPUFenceOnCompletionCallback callback, void* userdata), (override));
}; };

158
src/dawn_native/Buffer.cpp
View File

@ -72,6 +72,10 @@ namespace dawn_native {
UNREACHABLE(); UNREACHABLE();
return {}; return {};
} }
MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override {
UNREACHABLE();
return {};
}
void* GetMappedPointerImpl() override { void* GetMappedPointerImpl() override {
return mFakeMappedData.get(); return mFakeMappedData.get();
} }
@ -245,6 +249,22 @@ namespace dawn_native {
} }
} }
void BufferBase::CallMapCallback(uint32_t serial, WGPUBufferMapAsyncStatus status) {
ASSERT(!IsError());
if (mMapCallback != nullptr && serial == mMapSerial) {
// Tag the callback as fired before firing it, otherwise it could fire a second time if
// for example buffer.Unmap() is called inside the application-provided callback.
WGPUBufferMapCallback callback = mMapCallback;
mMapCallback = nullptr;
if (GetDevice()->IsLost()) {
callback(WGPUBufferMapAsyncStatus_DeviceLost, mMapUserdata);
} else {
callback(status, mMapUserdata);
}
}
}
void BufferBase::SetSubData(uint64_t start, uint64_t count, const void* data) { void BufferBase::SetSubData(uint64_t start, uint64_t count, const void* data) {
if (count > uint64_t(std::numeric_limits<size_t>::max())) { if (count > uint64_t(std::numeric_limits<size_t>::max())) {
GetDevice()->HandleError(InternalErrorType::Validation, "count too big"); GetDevice()->HandleError(InternalErrorType::Validation, "count too big");
@ -252,11 +272,14 @@ namespace dawn_native {
Ref<QueueBase> queue = AcquireRef(GetDevice()->GetDefaultQueue()); Ref<QueueBase> queue = AcquireRef(GetDevice()->GetDefaultQueue());
GetDevice()->EmitDeprecationWarning( GetDevice()->EmitDeprecationWarning(
"Buffer::SetSubData is deprecated, use Queue::WriteBuffer instead"); "Buffer::SetSubData is deprecate. Use Queue::WriteBuffer instead");
queue->WriteBuffer(this, start, data, static_cast<size_t>(count)); queue->WriteBuffer(this, start, data, static_cast<size_t>(count));
} }
void BufferBase::MapReadAsync(WGPUBufferMapReadCallback callback, void* userdata) { void BufferBase::MapReadAsync(WGPUBufferMapReadCallback callback, void* userdata) {
GetDevice()->EmitDeprecationWarning(
"Buffer::MapReadAsync is deprecated. Use Buffer::MapAsync instead");
WGPUBufferMapAsyncStatus status; WGPUBufferMapAsyncStatus status;
if (GetDevice()->ConsumedError(ValidateMap(wgpu::BufferUsage::MapRead, &status))) { if (GetDevice()->ConsumedError(ValidateMap(wgpu::BufferUsage::MapRead, &status))) {
callback(status, nullptr, 0, userdata); callback(status, nullptr, 0, userdata);
@ -270,6 +293,7 @@ namespace dawn_native {
mMapSerial++; mMapSerial++;
mMapReadCallback = callback; mMapReadCallback = callback;
mMapUserdata = userdata; mMapUserdata = userdata;
mMapOffset = 0;
mState = BufferState::Mapped; mState = BufferState::Mapped;
if (GetDevice()->ConsumedError(MapReadAsyncImpl())) { if (GetDevice()->ConsumedError(MapReadAsyncImpl())) {
@ -278,10 +302,13 @@ namespace dawn_native {
} }
MapRequestTracker* tracker = GetDevice()->GetMapRequestTracker(); MapRequestTracker* tracker = GetDevice()->GetMapRequestTracker();
tracker->Track(this, mMapSerial, false); tracker->Track(this, mMapSerial, MapType::Read);
} }
void BufferBase::MapWriteAsync(WGPUBufferMapWriteCallback callback, void* userdata) { void BufferBase::MapWriteAsync(WGPUBufferMapWriteCallback callback, void* userdata) {
GetDevice()->EmitDeprecationWarning(
"Buffer::MapReadAsync is deprecated. Use Buffer::MapAsync instead");
WGPUBufferMapAsyncStatus status; WGPUBufferMapAsyncStatus status;
if (GetDevice()->ConsumedError(ValidateMap(wgpu::BufferUsage::MapWrite, &status))) { if (GetDevice()->ConsumedError(ValidateMap(wgpu::BufferUsage::MapWrite, &status))) {
callback(status, nullptr, 0, userdata); callback(status, nullptr, 0, userdata);
@ -295,6 +322,7 @@ namespace dawn_native {
mMapSerial++; mMapSerial++;
mMapWriteCallback = callback; mMapWriteCallback = callback;
mMapUserdata = userdata; mMapUserdata = userdata;
mMapOffset = 0;
mState = BufferState::Mapped; mState = BufferState::Mapped;
if (GetDevice()->ConsumedError(MapWriteAsyncImpl())) { if (GetDevice()->ConsumedError(MapWriteAsyncImpl())) {
@ -303,7 +331,45 @@ namespace dawn_native {
} }
MapRequestTracker* tracker = GetDevice()->GetMapRequestTracker(); MapRequestTracker* tracker = GetDevice()->GetMapRequestTracker();
tracker->Track(this, mMapSerial, true); tracker->Track(this, mMapSerial, MapType::Write);
}
void BufferBase::MapAsync(wgpu::MapMode mode,
size_t offset,
size_t size,
WGPUBufferMapCallback callback,
void* userdata) {
// Handle the defaulting of size required by WebGPU, even if in webgpu_cpp.h it is not
// possible to default the function argument (because there is the callback later in the
// argument list)
if (size == 0 && offset < mSize) {
size = mSize - offset;
}
WGPUBufferMapAsyncStatus status;
if (GetDevice()->ConsumedError(ValidateMapAsync(mode, offset, size, &status))) {
if (callback) {
callback(status, userdata);
}
return;
}
ASSERT(!IsError());
// TODO(cwallez@chromium.org): what to do on wraparound? Could cause crashes.
mMapSerial++;
mMapMode = mode;
mMapOffset = offset;
mMapCallback = callback;
mMapUserdata = userdata;
mState = BufferState::Mapped;
if (GetDevice()->ConsumedError(MapAsyncImpl(mode, offset, size))) {
CallMapCallback(mMapSerial, WGPUBufferMapAsyncStatus_DeviceLost);
return;
}
MapRequestTracker* tracker = GetDevice()->GetMapRequestTracker();
tracker->Track(this, mMapSerial, MapType::Async);
} }
void* BufferBase::GetMappedRange() { void* BufferBase::GetMappedRange() {
@ -322,12 +388,12 @@ namespace dawn_native {
} }
if (mStagingBuffer != nullptr) { if (mStagingBuffer != nullptr) {
return mStagingBuffer->GetMappedPointer(); return static_cast<uint8_t*>(mStagingBuffer->GetMappedPointer()) + mMapOffset;
} }
if (mSize == 0) { if (mSize == 0) {
return reinterpret_cast<uint8_t*>(intptr_t(0xCAFED00D)); return reinterpret_cast<uint8_t*>(intptr_t(0xCAFED00D));
} }
return GetMappedPointerImpl(); return static_cast<uint8_t*>(GetMappedPointerImpl()) + mMapOffset;
} }
void BufferBase::Destroy() { void BufferBase::Destroy() {
@ -389,6 +455,7 @@ namespace dawn_native {
// CreateBufferMapped. // CreateBufferMapped.
CallMapReadCallback(mMapSerial, WGPUBufferMapAsyncStatus_Unknown, nullptr, 0u); CallMapReadCallback(mMapSerial, WGPUBufferMapAsyncStatus_Unknown, nullptr, 0u);
CallMapWriteCallback(mMapSerial, WGPUBufferMapAsyncStatus_Unknown, nullptr, 0u); CallMapWriteCallback(mMapSerial, WGPUBufferMapAsyncStatus_Unknown, nullptr, 0u);
CallMapCallback(mMapSerial, WGPUBufferMapAsyncStatus_Unknown);
UnmapImpl(); UnmapImpl();
mMapReadCallback = nullptr; mMapReadCallback = nullptr;
@ -418,7 +485,7 @@ namespace dawn_native {
switch (mState) { switch (mState) {
case BufferState::Mapped: case BufferState::Mapped:
case BufferState::MappedAtCreation: case BufferState::MappedAtCreation:
return DAWN_VALIDATION_ERROR("Buffer already mapped"); return DAWN_VALIDATION_ERROR("Buffer is already mapped");
case BufferState::Destroyed: case BufferState::Destroyed:
return DAWN_VALIDATION_ERROR("Buffer is destroyed"); return DAWN_VALIDATION_ERROR("Buffer is destroyed");
case BufferState::Unmapped: case BufferState::Unmapped:
@ -433,6 +500,60 @@ namespace dawn_native {
return {}; return {};
} }
MaybeError BufferBase::ValidateMapAsync(wgpu::MapMode mode,
size_t offset,
size_t size,
WGPUBufferMapAsyncStatus* status) const {
*status = WGPUBufferMapAsyncStatus_DeviceLost;
DAWN_TRY(GetDevice()->ValidateIsAlive());
*status = WGPUBufferMapAsyncStatus_Error;
DAWN_TRY(GetDevice()->ValidateObject(this));
if (offset % 4 != 0) {
return DAWN_VALIDATION_ERROR("offset must be a multiple of 4");
}
if (size % 4 != 0) {
return DAWN_VALIDATION_ERROR("size must be a multiple of 4");
}
if (uint64_t(offset) > mSize || uint64_t(size) > mSize - uint64_t(offset)) {
return DAWN_VALIDATION_ERROR("size + offset must fit in the buffer");
}
switch (mState) {
case BufferState::Mapped:
case BufferState::MappedAtCreation:
return DAWN_VALIDATION_ERROR("Buffer is already mapped");
case BufferState::Destroyed:
return DAWN_VALIDATION_ERROR("Buffer is destroyed");
case BufferState::Unmapped:
break;
}
bool isReadMode = mode & wgpu::MapMode::Read;
bool isWriteMode = mode & wgpu::MapMode::Write;
if (!(isReadMode ^ isWriteMode)) {
return DAWN_VALIDATION_ERROR("Exactly one of Read or Write mode must be set");
}
if (mode & wgpu::MapMode::Read) {
if (!(mUsage & wgpu::BufferUsage::MapRead)) {
return DAWN_VALIDATION_ERROR("The buffer must have the MapRead usage");
}
} else {
ASSERT(mode & wgpu::MapMode::Write);
if (!(mUsage & wgpu::BufferUsage::MapWrite)) {
return DAWN_VALIDATION_ERROR("The buffer must have the MapWrite usage");
}
}
*status = WGPUBufferMapAsyncStatus_Success;
return {};
}
bool BufferBase::CanGetMappedRange(bool writable) const { bool BufferBase::CanGetMappedRange(bool writable) const {
// Note that: // Note that:
// //
@ -448,6 +569,8 @@ namespace dawn_native {
return true; return true;
case BufferState::Mapped: case BufferState::Mapped:
// TODO(dawn:445): When mapRead/WriteAsync is removed, check against mMapMode
// instead of mUsage
ASSERT(bool(mUsage & wgpu::BufferUsage::MapRead) ^ ASSERT(bool(mUsage & wgpu::BufferUsage::MapRead) ^
bool(mUsage & wgpu::BufferUsage::MapWrite)); bool(mUsage & wgpu::BufferUsage::MapWrite));
return !writable || (mUsage & wgpu::BufferUsage::MapWrite); return !writable || (mUsage & wgpu::BufferUsage::MapWrite);
@ -495,16 +618,19 @@ namespace dawn_native {
mState = BufferState::Destroyed; mState = BufferState::Destroyed;
} }
bool BufferBase::IsMapped() const { void BufferBase::OnMapCommandSerialFinished(uint32_t mapSerial, MapType type) {
return mState == BufferState::Mapped; switch (type) {
} case MapType::Read:
CallMapReadCallback(mapSerial, WGPUBufferMapAsyncStatus_Success,
void BufferBase::OnMapCommandSerialFinished(uint32_t mapSerial, bool isWrite) { GetMappedRangeInternal(false), GetSize());
void* data = GetMappedRangeInternal(isWrite); break;
if (isWrite) { case MapType::Write:
CallMapWriteCallback(mapSerial, WGPUBufferMapAsyncStatus_Success, data, GetSize()); CallMapWriteCallback(mapSerial, WGPUBufferMapAsyncStatus_Success,
} else { GetMappedRangeInternal(true), GetSize());
CallMapReadCallback(mapSerial, WGPUBufferMapAsyncStatus_Success, data, GetSize()); break;
case MapType::Async:
CallMapCallback(mapSerial, WGPUBufferMapAsyncStatus_Success);
break;
} }
} }

32
src/dawn_native/Buffer.h
View File

@ -25,6 +25,8 @@
namespace dawn_native { namespace dawn_native {
enum class MapType : uint32_t;
MaybeError ValidateBufferDescriptor(DeviceBase* device, const BufferDescriptor* descriptor); MaybeError ValidateBufferDescriptor(DeviceBase* device, const BufferDescriptor* descriptor);
static constexpr wgpu::BufferUsage kReadOnlyBufferUsages = static constexpr wgpu::BufferUsage kReadOnlyBufferUsages =
@ -48,7 +50,7 @@ namespace dawn_native {
wgpu::BufferUsage GetUsage() const; wgpu::BufferUsage GetUsage() const;
MaybeError MapAtCreation(); MaybeError MapAtCreation();
void OnMapCommandSerialFinished(uint32_t mapSerial, bool isWrite); void OnMapCommandSerialFinished(uint32_t mapSerial, MapType type);
MaybeError ValidateCanUseOnQueueNow() const; MaybeError ValidateCanUseOnQueueNow() const;
@ -60,6 +62,11 @@ namespace dawn_native {
void SetSubData(uint64_t start, uint64_t count, const void* data); void SetSubData(uint64_t start, uint64_t count, const void* data);
void MapReadAsync(WGPUBufferMapReadCallback callback, void* userdata); void MapReadAsync(WGPUBufferMapReadCallback callback, void* userdata);
void MapWriteAsync(WGPUBufferMapWriteCallback callback, void* userdata); void MapWriteAsync(WGPUBufferMapWriteCallback callback, void* userdata);
void MapAsync(wgpu::MapMode mode,
size_t offset,
size_t size,
WGPUBufferMapCallback callback,
void* userdata);
void* GetMappedRange(); void* GetMappedRange();
const void* GetConstMappedRange(); const void* GetConstMappedRange();
void Unmap(); void Unmap();
@ -79,6 +86,7 @@ namespace dawn_native {
virtual MaybeError MapAtCreationImpl() = 0; virtual MaybeError MapAtCreationImpl() = 0;
virtual MaybeError MapReadAsyncImpl() = 0; virtual MaybeError MapReadAsyncImpl() = 0;
virtual MaybeError MapWriteAsyncImpl() = 0; virtual MaybeError MapWriteAsyncImpl() = 0;
virtual MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) = 0;
virtual void UnmapImpl() = 0; virtual void UnmapImpl() = 0;
virtual void DestroyImpl() = 0; virtual void DestroyImpl() = 0;
virtual void* GetMappedPointerImpl() = 0; virtual void* GetMappedPointerImpl() = 0;
@ -94,26 +102,32 @@ namespace dawn_native {
WGPUBufferMapAsyncStatus status, WGPUBufferMapAsyncStatus status,
void* pointer, void* pointer,
uint64_t dataLength); uint64_t dataLength);
void CallMapCallback(uint32_t serial, WGPUBufferMapAsyncStatus status);
MaybeError ValidateMap(wgpu::BufferUsage requiredUsage, MaybeError ValidateMap(wgpu::BufferUsage requiredUsage,
WGPUBufferMapAsyncStatus* status) const; WGPUBufferMapAsyncStatus* status) const;
MaybeError ValidateMapAsync(wgpu::MapMode mode,
size_t offset,
size_t size,
WGPUBufferMapAsyncStatus* status) const;
MaybeError ValidateUnmap() const; MaybeError ValidateUnmap() const;
MaybeError ValidateDestroy() const; MaybeError ValidateDestroy() const;
bool CanGetMappedRange(bool writable) const; bool CanGetMappedRange(bool writable) const;
uint64_t mSize = 0; uint64_t mSize = 0;
wgpu::BufferUsage mUsage = wgpu::BufferUsage::None; wgpu::BufferUsage mUsage = wgpu::BufferUsage::None;
BufferState mState;
WGPUBufferMapReadCallback mMapReadCallback = nullptr; bool mIsDataInitialized = false;
WGPUBufferMapWriteCallback mMapWriteCallback = nullptr;
void* mMapUserdata = 0;
uint32_t mMapSerial = 0;
std::unique_ptr<StagingBufferBase> mStagingBuffer; std::unique_ptr<StagingBufferBase> mStagingBuffer;
BufferState mState; WGPUBufferMapReadCallback mMapReadCallback = nullptr;
WGPUBufferMapWriteCallback mMapWriteCallback = nullptr;
bool mIsDataInitialized = false; WGPUBufferMapCallback mMapCallback = nullptr;
void* mMapUserdata = 0;
uint32_t mMapSerial = 0;
wgpu::MapMode mMapMode = wgpu::MapMode::None;
size_t mMapOffset = 0;
}; };
} // namespace dawn_native } // namespace dawn_native

6
src/dawn_native/MapRequestTracker.cpp
View File

@ -27,11 +27,11 @@ namespace dawn_native {
ASSERT(mInflightRequests.Empty()); ASSERT(mInflightRequests.Empty());
} }
void MapRequestTracker::Track(BufferBase* buffer, uint32_t mapSerial, bool isWrite) { void MapRequestTracker::Track(BufferBase* buffer, uint32_t mapSerial, MapType type) {
Request request; Request request;
request.buffer = buffer; request.buffer = buffer;
request.mapSerial = mapSerial; request.mapSerial = mapSerial;
request.isWrite = isWrite; request.type = type;
mInflightRequests.Enqueue(std::move(request), mDevice->GetPendingCommandSerial()); mInflightRequests.Enqueue(std::move(request), mDevice->GetPendingCommandSerial());
mDevice->AddFutureCallbackSerial(mDevice->GetPendingCommandSerial()); mDevice->AddFutureCallbackSerial(mDevice->GetPendingCommandSerial());
@ -39,7 +39,7 @@ namespace dawn_native {
void MapRequestTracker::Tick(Serial finishedSerial) { void MapRequestTracker::Tick(Serial finishedSerial) {
for (auto& request : mInflightRequests.IterateUpTo(finishedSerial)) { for (auto& request : mInflightRequests.IterateUpTo(finishedSerial)) {
request.buffer->OnMapCommandSerialFinished(request.mapSerial, request.isWrite); request.buffer->OnMapCommandSerialFinished(request.mapSerial, request.type);
} }
mInflightRequests.ClearUpTo(finishedSerial); mInflightRequests.ClearUpTo(finishedSerial);
} }

7
src/dawn_native/MapRequestTracker.h
View File

@ -20,12 +20,15 @@
namespace dawn_native { namespace dawn_native {
// TODO(dawn:22) remove this enum once MapReadAsync/MapWriteAsync are removed.
enum class MapType : uint32_t { Read, Write, Async };
class MapRequestTracker { class MapRequestTracker {
public: public:
MapRequestTracker(DeviceBase* device); MapRequestTracker(DeviceBase* device);
~MapRequestTracker(); ~MapRequestTracker();
void Track(BufferBase* buffer, uint32_t mapSerial, bool isWrite); void Track(BufferBase* buffer, uint32_t mapSerial, MapType type);
void Tick(Serial finishedSerial); void Tick(Serial finishedSerial);
private: private:
@ -34,7 +37,7 @@ namespace dawn_native {
struct Request { struct Request {
Ref<BufferBase> buffer; Ref<BufferBase> buffer;
uint32_t mapSerial; uint32_t mapSerial;
bool isWrite; MapType type;
}; };
SerialQueue<Request> mInflightRequests; SerialQueue<Request> mInflightRequests;
}; };

28
src/dawn_native/d3d12/BufferD3D12.cpp
View File

@ -248,13 +248,23 @@ namespace dawn_native { namespace d3d12 {
return (GetUsage() & (wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite)) != 0; return (GetUsage() & (wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite)) != 0;
} }
MaybeError Buffer::MapInternal(bool isWrite, const char* contextInfo) { MaybeError Buffer::MapInternal(bool isWrite,
size_t offset,
size_t size,
const char* contextInfo) {
// The mapped buffer can be accessed at any time, so it must be locked to ensure it is never // The mapped buffer can be accessed at any time, so it must be locked to ensure it is never
// evicted. This buffer should already have been made resident when it was created. // evicted. This buffer should already have been made resident when it was created.
Heap* heap = ToBackend(mResourceAllocation.GetResourceHeap()); Heap* heap = ToBackend(mResourceAllocation.GetResourceHeap());
DAWN_TRY(ToBackend(GetDevice())->GetResidencyManager()->LockAllocation(heap)); DAWN_TRY(ToBackend(GetDevice())->GetResidencyManager()->LockAllocation(heap));
D3D12_RANGE range = {0, size_t(GetSize())}; D3D12_RANGE range = {offset, offset + size};
// mMappedData is the pointer to the start of the resource, irrespective of offset.
// MSDN says (note the weird use of "never"):
//
// When ppData is not NULL, the pointer returned is never offset by any values in
// pReadRange.
//
// https://docs.microsoft.com/en-us/windows/win32/api/d3d12/nf-d3d12-id3d12resource-map
DAWN_TRY(CheckHRESULT(GetD3D12Resource()->Map(0, &range, &mMappedData), contextInfo)); DAWN_TRY(CheckHRESULT(GetD3D12Resource()->Map(0, &range, &mMappedData), contextInfo));
if (isWrite) { if (isWrite) {
@ -267,16 +277,20 @@ namespace dawn_native { namespace d3d12 {
MaybeError Buffer::MapAtCreationImpl() { MaybeError Buffer::MapAtCreationImpl() {
// Setting isMapWrite to false on MapRead buffers to silence D3D12 debug layer warning. // Setting isMapWrite to false on MapRead buffers to silence D3D12 debug layer warning.
bool isMapWrite = (GetUsage() & wgpu::BufferUsage::MapWrite) != 0; bool isMapWrite = (GetUsage() & wgpu::BufferUsage::MapWrite) != 0;
DAWN_TRY(MapInternal(isMapWrite, "D3D12 map at creation")); DAWN_TRY(MapInternal(isMapWrite, 0, size_t(GetSize()), "D3D12 map at creation"));
return {}; return {};
} }
MaybeError Buffer::MapReadAsyncImpl() { MaybeError Buffer::MapReadAsyncImpl() {
return MapInternal(false, "D3D12 map read async"); return MapInternal(false, 0, size_t(GetSize()), "D3D12 map read async");
} }
MaybeError Buffer::MapWriteAsyncImpl() { MaybeError Buffer::MapWriteAsyncImpl() {
return MapInternal(true, "D3D12 map write async"); return MapInternal(true, 0, size_t(GetSize()), "D3D12 map write async");
}
MaybeError Buffer::MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) {
return MapInternal(mode & wgpu::MapMode::Write, offset, size, "D3D12 map async");
} }
void Buffer::UnmapImpl() { void Buffer::UnmapImpl() {
@ -291,6 +305,8 @@ namespace dawn_native { namespace d3d12 {
} }
void* Buffer::GetMappedPointerImpl() { void* Buffer::GetMappedPointerImpl() {
// The frontend asks that the pointer returned is from the start of the resource
// irrespective of the offset passed in MapAsyncImpl, which is what mMappedData is.
return mMappedData; return mMappedData;
} }
@ -366,7 +382,7 @@ namespace dawn_native { namespace d3d12 {
// The state of the buffers on UPLOAD heap must always be GENERIC_READ and cannot be // The state of the buffers on UPLOAD heap must always be GENERIC_READ and cannot be
// changed away, so we can only clear such buffer with buffer mapping. // changed away, so we can only clear such buffer with buffer mapping.
if (D3D12HeapType(GetUsage()) == D3D12_HEAP_TYPE_UPLOAD) { if (D3D12HeapType(GetUsage()) == D3D12_HEAP_TYPE_UPLOAD) {
DAWN_TRY(MapInternal(true, "D3D12 map at clear buffer")); DAWN_TRY(MapInternal(true, 0, size_t(GetSize()), "D3D12 map at clear buffer"));
memset(mMappedData, clearValue, GetSize()); memset(mMappedData, clearValue, GetSize());
UnmapImpl(); UnmapImpl();
} else { } else {

3
src/dawn_native/d3d12/BufferD3D12.h
View File

@ -54,13 +54,14 @@ namespace dawn_native { namespace d3d12 {
// Dawn API // Dawn API
MaybeError MapReadAsyncImpl() override; MaybeError MapReadAsyncImpl() override;
MaybeError MapWriteAsyncImpl() override; MaybeError MapWriteAsyncImpl() override;
MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override;
void UnmapImpl() override; void UnmapImpl() override;
void DestroyImpl() override; void DestroyImpl() override;
bool IsMappableAtCreation() const override; bool IsMappableAtCreation() const override;
virtual MaybeError MapAtCreationImpl() override; virtual MaybeError MapAtCreationImpl() override;
void* GetMappedPointerImpl() override; void* GetMappedPointerImpl() override;
MaybeError MapInternal(bool isWrite, const char* contextInfo); MaybeError MapInternal(bool isWrite, size_t start, size_t end, const char* contextInfo);
bool TransitionUsageAndGetResourceBarrier(CommandRecordingContext* commandContext, bool TransitionUsageAndGetResourceBarrier(CommandRecordingContext* commandContext,
D3D12_RESOURCE_BARRIER* barrier, D3D12_RESOURCE_BARRIER* barrier,

1
src/dawn_native/metal/BufferMTL.h
View File

@ -43,6 +43,7 @@ namespace dawn_native { namespace metal {
// Dawn API // Dawn API
MaybeError MapReadAsyncImpl() override; MaybeError MapReadAsyncImpl() override;
MaybeError MapWriteAsyncImpl() override; MaybeError MapWriteAsyncImpl() override;
MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override;
void UnmapImpl() override; void UnmapImpl() override;
void DestroyImpl() override; void DestroyImpl() override;
void* GetMappedPointerImpl() override; void* GetMappedPointerImpl() override;

4
src/dawn_native/metal/BufferMTL.mm
View File

@ -121,6 +121,10 @@ namespace dawn_native { namespace metal {
return {}; return {};
} }
MaybeError Buffer::MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) {
return {};
}
void* Buffer::GetMappedPointerImpl() { void* Buffer::GetMappedPointerImpl() {
return [mMtlBuffer contents]; return [mMtlBuffer contents];
} }

4
src/dawn_native/null/DeviceNull.cpp
View File

@ -312,6 +312,10 @@ namespace dawn_native { namespace null {
return {}; return {};
} }
MaybeError Buffer::MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) {
return {};
}
void* Buffer::GetMappedPointerImpl() { void* Buffer::GetMappedPointerImpl() {
return mBackingData.get(); return mBackingData.get();
} }

1
src/dawn_native/null/DeviceNull.h
View File

@ -201,6 +201,7 @@ namespace dawn_native { namespace null {
// Dawn API // Dawn API
MaybeError MapReadAsyncImpl() override; MaybeError MapReadAsyncImpl() override;
MaybeError MapWriteAsyncImpl() override; MaybeError MapWriteAsyncImpl() override;
MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override;
void UnmapImpl() override; void UnmapImpl() override;
void DestroyImpl() override; void DestroyImpl() override;

30
src/dawn_native/opengl/BufferGL.cpp
View File

@ -125,7 +125,37 @@ namespace dawn_native { namespace opengl {
return {}; return {};
} }
MaybeError Buffer::MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) {
const OpenGLFunctions& gl = ToBackend(GetDevice())->gl;
// It is an error to map an empty range in OpenGL. We always have at least a 4-byte buffer
// so we extend the range to be 4 bytes.
if (size == 0) {
if (offset != 0) {
offset -= 4;
}
size = 4;
}
// TODO(cwallez@chromium.org): this does GPU->CPU synchronization, we could require a high
// version of OpenGL that would let us map the buffer unsynchronized.
gl.BindBuffer(GL_ARRAY_BUFFER, mBuffer);
void* mappedData = nullptr;
if (mode & wgpu::MapMode::Read) {
mappedData = gl.MapBufferRange(GL_ARRAY_BUFFER, offset, size, GL_MAP_READ_BIT);
} else {
ASSERT(mode & wgpu::MapMode::Write);
mappedData = gl.MapBufferRange(GL_ARRAY_BUFFER, offset, size, GL_MAP_WRITE_BIT);
}
// The frontend asks that the pointer returned by GetMappedPointerImpl is from the start of
// the resource but OpenGL gives us the pointer at offset. Remove the offset.
mMappedData = static_cast<uint8_t*>(mappedData) - offset;
return {};
}
void* Buffer::GetMappedPointerImpl() { void* Buffer::GetMappedPointerImpl() {
// The mapping offset has already been removed.
return mMappedData; return mMappedData;
} }

1
src/dawn_native/opengl/BufferGL.h
View File

@ -37,6 +37,7 @@ namespace dawn_native { namespace opengl {
// Dawn API // Dawn API
MaybeError MapReadAsyncImpl() override; MaybeError MapReadAsyncImpl() override;
MaybeError MapWriteAsyncImpl() override; MaybeError MapWriteAsyncImpl() override;
MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override;
void UnmapImpl() override; void UnmapImpl() override;
void DestroyImpl() override; void DestroyImpl() override;

13
src/dawn_native/vulkan/BufferVk.cpp
View File

@ -259,6 +259,19 @@ namespace dawn_native { namespace vulkan {
return {}; return {};
} }
MaybeError Buffer::MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) {
Device* device = ToBackend(GetDevice());
CommandRecordingContext* recordingContext = device->GetPendingRecordingContext();
if (mode & wgpu::MapMode::Read) {
TransitionUsageNow(recordingContext, wgpu::BufferUsage::MapRead);
} else {
ASSERT(mode & wgpu::MapMode::Write);
TransitionUsageNow(recordingContext, wgpu::BufferUsage::MapWrite);
}
return {};
}
void Buffer::UnmapImpl() { void Buffer::UnmapImpl() {
// No need to do anything, we keep CPU-visible memory mapped at all time. // No need to do anything, we keep CPU-visible memory mapped at all time.
} }

1
src/dawn_native/vulkan/BufferVk.h
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@ -58,6 +58,7 @@ namespace dawn_native { namespace vulkan {
// Dawn API // Dawn API
MaybeError MapReadAsyncImpl() override; MaybeError MapReadAsyncImpl() override;
MaybeError MapWriteAsyncImpl() override; MaybeError MapWriteAsyncImpl() override;
MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override;
void UnmapImpl() override; void UnmapImpl() override;
void DestroyImpl() override; void DestroyImpl() override;

71
src/dawn_wire/client/Buffer.cpp
View File

@ -239,6 +239,72 @@ namespace dawn_wire { namespace client {
SerializeBufferMapAsync(this, serial, writeHandle); SerializeBufferMapAsync(this, serial, writeHandle);
} }
void Buffer::MapAsync(WGPUMapModeFlags mode,
size_t offset,
size_t size,
WGPUBufferMapCallback callback,
void* userdata) {
// Do early validation for mode because it needs to be correct for the proxying to
// MapReadAsync or MapWriteAsync to work.
bool isReadMode = mode & WGPUMapMode_Read;
bool isWriteMode = mode & WGPUMapMode_Write;
bool modeOk = isReadMode ^ isWriteMode;
// Do early validation of offset and size because it isn't checked by MapReadAsync /
// MapWriteAsync.
bool offsetOk = (uint64_t(offset) <= mSize) && offset % 4 == 0;
bool sizeOk = (uint64_t(size) <= mSize - uint64_t(offset)) && size % 4 == 0;
if (!(modeOk && offsetOk && sizeOk)) {
device->InjectError(WGPUErrorType_Validation, "MapAsync error (you figure out :P)");
if (callback != nullptr) {
callback(WGPUBufferMapAsyncStatus_Error, userdata);
}
return;
}
// The structure to keep arguments so we can forward the MapReadAsync and MapWriteAsync to
// `callback`
struct ProxyData {
WGPUBufferMapCallback callback;
void* userdata;
size_t mapOffset;
Buffer* self;
};
ProxyData* proxy = new ProxyData;
proxy->callback = callback;
proxy->userdata = userdata;
proxy->mapOffset = offset;
proxy->self = this;
// Note technically we should keep the buffer alive until the callback is fired but the
// client doesn't have good facilities to do that yet.
// Call MapReadAsync or MapWriteAsync and forward the callback.
if (mode & WGPUMapMode_Read) {
MapReadAsync(
[](WGPUBufferMapAsyncStatus status, const void*, uint64_t, void* userdata) {
ProxyData* proxy = static_cast<ProxyData*>(userdata);
if (proxy->callback) {
proxy->callback(status, proxy->userdata);
}
proxy->self->mMapOffset = proxy->mapOffset;
delete proxy;
},
proxy);
} else {
ASSERT(mode & WGPUMapMode_Write);
MapWriteAsync(
[](WGPUBufferMapAsyncStatus status, void*, uint64_t, void* userdata) {
ProxyData* proxy = static_cast<ProxyData*>(userdata);
if (proxy->callback) {
proxy->callback(status, proxy->userdata);
}
proxy->self->mMapOffset = proxy->mapOffset;
delete proxy;
},
proxy);
}
}
bool Buffer::OnMapReadAsyncCallback(uint32_t requestSerial, bool Buffer::OnMapReadAsyncCallback(uint32_t requestSerial,
uint32_t status, uint32_t status,
uint64_t initialDataInfoLength, uint64_t initialDataInfoLength,
@ -369,14 +435,14 @@ namespace dawn_wire { namespace client {
if (!IsMappedForWriting()) { if (!IsMappedForWriting()) {
return nullptr; return nullptr;
} }
return mMappedData; return static_cast<uint8_t*>(mMappedData) + mMapOffset;
} }
const void* Buffer::GetConstMappedRange() { const void* Buffer::GetConstMappedRange() {
if (!IsMappedForWriting() && !IsMappedForReading()) { if (!IsMappedForWriting() && !IsMappedForReading()) {
return nullptr; return nullptr;
} }
return mMappedData; return static_cast<uint8_t*>(mMappedData) + mMapOffset;
} }
void Buffer::Unmap() { void Buffer::Unmap() {
@ -413,6 +479,7 @@ namespace dawn_wire { namespace client {
mReadHandle = nullptr; mReadHandle = nullptr;
} }
mMappedData = nullptr; mMappedData = nullptr;
mMapOffset = 0;
ClearMapRequests(WGPUBufferMapAsyncStatus_Unknown); ClearMapRequests(WGPUBufferMapAsyncStatus_Unknown);
BufferUnmapCmd cmd; BufferUnmapCmd cmd;

6
src/dawn_wire/client/Buffer.h
View File

@ -43,6 +43,11 @@ namespace dawn_wire { namespace client {
uint64_t initialDataInfoLength, uint64_t initialDataInfoLength,
const uint8_t* initialDataInfo); const uint8_t* initialDataInfo);
bool OnMapWriteAsyncCallback(uint32_t requestSerial, uint32_t status); bool OnMapWriteAsyncCallback(uint32_t requestSerial, uint32_t status);
void MapAsync(WGPUMapModeFlags mode,
size_t offset,
size_t size,
WGPUBufferMapCallback callback,
void* userdata);
void* GetMappedRange(); void* GetMappedRange();
const void* GetConstMappedRange(); const void* GetConstMappedRange();
void Unmap(); void Unmap();
@ -77,6 +82,7 @@ namespace dawn_wire { namespace client {
std::unique_ptr<MemoryTransferService::ReadHandle> mReadHandle = nullptr; std::unique_ptr<MemoryTransferService::ReadHandle> mReadHandle = nullptr;
std::unique_ptr<MemoryTransferService::WriteHandle> mWriteHandle = nullptr; std::unique_ptr<MemoryTransferService::WriteHandle> mWriteHandle = nullptr;
void* mMappedData = nullptr; void* mMappedData = nullptr;
size_t mMapOffset = 0;
}; };
}} // namespace dawn_wire::client }} // namespace dawn_wire::client

246
src/tests/end2end/BufferTests.cpp
View File

@ -317,6 +317,216 @@ DAWN_INSTANTIATE_TEST(BufferMapWriteTests,
OpenGLBackend(), OpenGLBackend(),
VulkanBackend()); VulkanBackend());
class BufferMappingTests : public DawnTest {
protected:
void MapAsyncAndWait(const wgpu::Buffer& buffer,
wgpu::MapMode mode,
size_t offset,
size_t size) {
bool done = false;
buffer.MapAsync(
mode, offset, size,
[](WGPUBufferMapAsyncStatus status, void* userdata) {
ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status);
*static_cast<bool*>(userdata) = true;
},
&done);
while (!done) {
WaitABit();
}
}
wgpu::Buffer CreateMapReadBuffer(uint64_t size) {
wgpu::BufferDescriptor descriptor;
descriptor.size = size;
descriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst;
return device.CreateBuffer(&descriptor);
}
wgpu::Buffer CreateMapWriteBuffer(uint64_t size) {
wgpu::BufferDescriptor descriptor;
descriptor.size = size;
descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc;
return device.CreateBuffer(&descriptor);
}
};
// Test that the simplest map read works
TEST_P(BufferMappingTests, MapRead_Basic) {
wgpu::Buffer buffer = CreateMapReadBuffer(4);
uint32_t myData = 0x01020304;
queue.WriteBuffer(buffer, 0, &myData, sizeof(myData));
MapAsyncAndWait(buffer, wgpu::MapMode::Read, 0, 4);
ASSERT_NE(nullptr, buffer.GetConstMappedRange());
ASSERT_EQ(myData, *static_cast<const uint32_t*>(buffer.GetConstMappedRange()));
buffer.Unmap();
}
// Test map-reading a zero-sized buffer.
TEST_P(BufferMappingTests, MapRead_ZeroSized) {
wgpu::Buffer buffer = CreateMapReadBuffer(0);
MapAsyncAndWait(buffer, wgpu::MapMode::Read, 0, 0);
ASSERT_NE(buffer.GetConstMappedRange(), nullptr);
buffer.Unmap();
}
// Test map-reading with a non-zero offset
TEST_P(BufferMappingTests, MapRead_NonZeroOffset) {
wgpu::Buffer buffer = CreateMapReadBuffer(8);
uint32_t myData[2] = {0x01020304, 0x05060708};
queue.WriteBuffer(buffer, 0, &myData, sizeof(myData));
MapAsyncAndWait(buffer, wgpu::MapMode::Read, 4, 4);
ASSERT_EQ(myData[1], *static_cast<const uint32_t*>(buffer.GetConstMappedRange()));
buffer.Unmap();
}
// Map read and unmap twice. Test that both of these two iterations work.
TEST_P(BufferMappingTests, MapRead_Twice) {
wgpu::Buffer buffer = CreateMapReadBuffer(4);
uint32_t myData = 0x01020304;
queue.WriteBuffer(buffer, 0, &myData, sizeof(myData));
MapAsyncAndWait(buffer, wgpu::MapMode::Read, 0, 4);
ASSERT_EQ(myData, *static_cast<const uint32_t*>(buffer.GetConstMappedRange()));
buffer.Unmap();
myData = 0x05060708;
queue.WriteBuffer(buffer, 0, &myData, sizeof(myData));
MapAsyncAndWait(buffer, wgpu::MapMode::Read, 0, 4);
ASSERT_EQ(myData, *static_cast<const uint32_t*>(buffer.GetConstMappedRange()));
buffer.Unmap();
}
// Test map-reading a large buffer.
TEST_P(BufferMappingTests, MapRead_Large) {
constexpr uint32_t kDataSize = 1000 * 1000;
wgpu::Buffer buffer = CreateMapReadBuffer(kDataSize * sizeof(uint32_t));
std::vector<uint32_t> myData;
for (uint32_t i = 0; i < kDataSize; ++i) {
myData.push_back(i);
}
queue.WriteBuffer(buffer, 0, myData.data(), kDataSize * sizeof(uint32_t));
MapAsyncAndWait(buffer, wgpu::MapMode::Read, 0, 4);
ASSERT_EQ(0, memcmp(buffer.GetConstMappedRange(), myData.data(), kDataSize * sizeof(uint32_t)));
buffer.Unmap();
}
// Test that the simplest map write works.
TEST_P(BufferMappingTests, MapWrite_Basic) {
wgpu::Buffer buffer = CreateMapWriteBuffer(4);
uint32_t myData = 2934875;
MapAsyncAndWait(buffer, wgpu::MapMode::Write, 0, 4);
ASSERT_NE(nullptr, buffer.GetMappedRange());
ASSERT_NE(nullptr, buffer.GetConstMappedRange());
memcpy(buffer.GetMappedRange(), &myData, sizeof(myData));
buffer.Unmap();
EXPECT_BUFFER_U32_EQ(myData, buffer, 0);
}
// Test map-writing a zero-sized buffer.
TEST_P(BufferMappingTests, MapWrite_ZeroSized) {
wgpu::Buffer buffer = CreateMapWriteBuffer(0);
MapAsyncAndWait(buffer, wgpu::MapMode::Write, 0, 0);
ASSERT_NE(buffer.GetConstMappedRange(), nullptr);
ASSERT_NE(buffer.GetMappedRange(), nullptr);
buffer.Unmap();
}
// Test map-writing with a non-zero offset.
TEST_P(BufferMappingTests, MapWrite_NonZeroOffset) {
wgpu::Buffer buffer = CreateMapWriteBuffer(8);
uint32_t myData = 2934875;
MapAsyncAndWait(buffer, wgpu::MapMode::Write, 4, 4);
memcpy(buffer.GetMappedRange(), &myData, sizeof(myData));
buffer.Unmap();
EXPECT_BUFFER_U32_EQ(myData, buffer, 4);
}
// Map, write and unmap twice. Test that both of these two iterations work.
TEST_P(BufferMappingTests, MapWrite_Twice) {
wgpu::Buffer buffer = CreateMapWriteBuffer(4);
uint32_t myData = 2934875;
MapAsyncAndWait(buffer, wgpu::MapMode::Write, 0, 4);
memcpy(buffer.GetMappedRange(), &myData, sizeof(myData));
buffer.Unmap();
EXPECT_BUFFER_U32_EQ(myData, buffer, 0);
myData = 9999999;
MapAsyncAndWait(buffer, wgpu::MapMode::Write, 0, 4);
memcpy(buffer.GetMappedRange(), &myData, sizeof(myData));
buffer.Unmap();
EXPECT_BUFFER_U32_EQ(myData, buffer, 0);
}
// Test mapping a large buffer.
TEST_P(BufferMappingTests, MapWrite_Large) {
constexpr uint32_t kDataSize = 1000 * 1000;
wgpu::Buffer buffer = CreateMapWriteBuffer(kDataSize * sizeof(uint32_t));
std::vector<uint32_t> myData;
for (uint32_t i = 0; i < kDataSize; ++i) {
myData.push_back(i);
}
MapAsyncAndWait(buffer, wgpu::MapMode::Write, 0, 4);
memcpy(buffer.GetMappedRange(), myData.data(), kDataSize * sizeof(uint32_t));
buffer.Unmap();
EXPECT_BUFFER_U32_RANGE_EQ(myData.data(), buffer, 0, kDataSize);
}
// Test that the map offset isn't updated when the call is an error.
TEST_P(BufferMappingTests, OffsetNotUpdatedOnError) {
uint32_t data[3] = {0xCA7, 0xB0A7, 0xBA7};
wgpu::Buffer buffer = CreateMapReadBuffer(sizeof(data));
queue.WriteBuffer(buffer, 0, data, sizeof(data));
// Map the buffer but do not wait on the result yet.
bool done = false;
buffer.MapAsync(
wgpu::MapMode::Read, 4, 4,
[](WGPUBufferMapAsyncStatus status, void* userdata) {
ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status);
*static_cast<bool*>(userdata) = true;
},
&done);
// Call MapAsync another time, it is an error because the buffer is already being mapped so
// mMapOffset is not updated.
ASSERT_DEVICE_ERROR(buffer.MapAsync(wgpu::MapMode::Read, 8, 4, nullptr, nullptr));
while (!done) {
WaitABit();
}
// mMapOffset has not been updated so it should still be 4, which is data[1]
ASSERT_EQ(0, memcmp(buffer.GetConstMappedRange(), &data[1], sizeof(uint32_t)));
}
DAWN_INSTANTIATE_TEST(BufferMappingTests,
D3D12Backend(),
MetalBackend(),
OpenGLBackend(),
VulkanBackend());
class CreateBufferMappedTests : public DawnTest { class CreateBufferMappedTests : public DawnTest {
protected: protected:
static void MapReadCallback(WGPUBufferMapAsyncStatus status, static void MapReadCallback(WGPUBufferMapAsyncStatus status,
@ -1058,6 +1268,42 @@ TEST_P(BufferTests, CreateBufferOOMMapWriteAsync) {
RunTest(descriptor); RunTest(descriptor);
} }
// Test that mapping an OOM buffer fails gracefully
TEST_P(BufferTests, CreateBufferOOMMapAsync) {
// TODO(http://crbug.com/dawn/27): Missing support.
DAWN_SKIP_TEST_IF(IsOpenGL());
DAWN_SKIP_TEST_IF(IsAsan());
auto RunTest = [this](const wgpu::BufferDescriptor& descriptor) {
wgpu::Buffer buffer;
ASSERT_DEVICE_ERROR(buffer = device.CreateBuffer(&descriptor));
bool done = false;
ASSERT_DEVICE_ERROR(buffer.MapAsync(
wgpu::MapMode::Write, 0, 4,
[](WGPUBufferMapAsyncStatus status, void* userdata) {
EXPECT_EQ(status, WGPUBufferMapAsyncStatus_Error);
*static_cast<bool*>(userdata) = true;
},
&done));
while (!done) {
WaitABit();
}
};
wgpu::BufferDescriptor descriptor;
descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::MapWrite;
// Test an enormous buffer
descriptor.size = std::numeric_limits<uint64_t>::max();
RunTest(descriptor);
// UINT64_MAX may be special cased. Test a smaller, but really large buffer also fails
descriptor.size = 1ull << 50;
RunTest(descriptor);
}
DAWN_INSTANTIATE_TEST(BufferTests, DAWN_INSTANTIATE_TEST(BufferTests,
D3D12Backend(), D3D12Backend(),
MetalBackend(), MetalBackend(),

395
src/tests/unittests/validation/BufferValidationTests.cpp
View File

@ -58,6 +58,16 @@ static void ToMockBufferMapWriteCallback(WGPUBufferMapAsyncStatus status,
userdata); userdata);
} }
class MockBufferMapAsyncCallback {
public:
MOCK_METHOD(void, Call, (WGPUBufferMapAsyncStatus status, void* userdata));
};
static std::unique_ptr<MockBufferMapAsyncCallback> mockBufferMapAsyncCallback;
static void ToMockBufferMapAsyncCallback(WGPUBufferMapAsyncStatus status, void* userdata) {
mockBufferMapAsyncCallback->Call(status, userdata);
}
class BufferValidationTest : public ValidationTest { class BufferValidationTest : public ValidationTest {
protected: protected:
wgpu::Buffer CreateMapReadBuffer(uint64_t size) { wgpu::Buffer CreateMapReadBuffer(uint64_t size) {
@ -67,6 +77,7 @@ class BufferValidationTest : public ValidationTest {
return device.CreateBuffer(&descriptor); return device.CreateBuffer(&descriptor);
} }
wgpu::Buffer CreateMapWriteBuffer(uint64_t size) { wgpu::Buffer CreateMapWriteBuffer(uint64_t size) {
wgpu::BufferDescriptor descriptor; wgpu::BufferDescriptor descriptor;
descriptor.size = size; descriptor.size = size;
@ -92,6 +103,13 @@ class BufferValidationTest : public ValidationTest {
return device.CreateBuffer(&descriptor); return device.CreateBuffer(&descriptor);
} }
void AssertMapAsyncError(wgpu::Buffer buffer, wgpu::MapMode mode, size_t offset, size_t size) {
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Error, _)).Times(1);
ASSERT_DEVICE_ERROR(
buffer.MapAsync(mode, offset, size, ToMockBufferMapAsyncCallback, nullptr));
}
wgpu::Queue queue; wgpu::Queue queue;
private: private:
@ -100,6 +118,7 @@ class BufferValidationTest : public ValidationTest {
mockBufferMapReadCallback = std::make_unique<MockBufferMapReadCallback>(); mockBufferMapReadCallback = std::make_unique<MockBufferMapReadCallback>();
mockBufferMapWriteCallback = std::make_unique<MockBufferMapWriteCallback>(); mockBufferMapWriteCallback = std::make_unique<MockBufferMapWriteCallback>();
mockBufferMapAsyncCallback = std::make_unique<MockBufferMapAsyncCallback>();
queue = device.GetDefaultQueue(); queue = device.GetDefaultQueue();
} }
@ -107,6 +126,7 @@ class BufferValidationTest : public ValidationTest {
// Delete mocks so that expectations are checked // Delete mocks so that expectations are checked
mockBufferMapReadCallback = nullptr; mockBufferMapReadCallback = nullptr;
mockBufferMapWriteCallback = nullptr; mockBufferMapWriteCallback = nullptr;
mockBufferMapAsyncCallback = nullptr;
ValidationTest::TearDown(); ValidationTest::TearDown();
} }
@ -164,7 +184,272 @@ TEST_F(BufferValidationTest, CreationMapUsageRestrictions) {
} }
// Test the success case for mapping buffer for reading // Test the success case for mapping buffer for reading
TEST_F(BufferValidationTest, MapReadSuccess) { TEST_F(BufferValidationTest, MapAsync_ReadSuccess) {
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _)).Times(1);
WaitForAllOperations(device);
buf.Unmap();
}
// Test the success case for mapping buffer for writing
TEST_F(BufferValidationTest, MapAsync_WriteSuccess) {
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _)).Times(1);
WaitForAllOperations(device);
buf.Unmap();
}
// Test map async with a buffer that's an error
TEST_F(BufferValidationTest, MapAsync_ErrorBuffer) {
wgpu::BufferDescriptor desc;
desc.size = 4;
desc.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite;
wgpu::Buffer buffer;
ASSERT_DEVICE_ERROR(buffer = device.CreateBuffer(&desc));
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 0, 4);
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 0, 4);
}
// Test map async with an invalid offset and size alignment.
TEST_F(BufferValidationTest, MapAsync_OffsetSizeAlignment) {
// Control case, both aligned to 4 is ok.
{
wgpu::Buffer buffer = CreateMapReadBuffer(8);
buffer.MapAsync(wgpu::MapMode::Read, 4, 4, nullptr, nullptr);
}
{
wgpu::Buffer buffer = CreateMapWriteBuffer(8);
buffer.MapAsync(wgpu::MapMode::Write, 4, 4, nullptr, nullptr);
}
// Error case, offset aligned to 2 is an error.
{
wgpu::Buffer buffer = CreateMapReadBuffer(8);
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 2, 4);
}
{
wgpu::Buffer buffer = CreateMapWriteBuffer(8);
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 2, 4);
}
// Error case, size aligned to 2 is an error.
{
wgpu::Buffer buffer = CreateMapReadBuffer(8);
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 0, 6);
}
{
wgpu::Buffer buffer = CreateMapWriteBuffer(8);
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 0, 6);
}
}
// Test map async with a buffer that has the wrong usage
TEST_F(BufferValidationTest, MapAsync_WrongUsage) {
{
wgpu::BufferDescriptor desc;
desc.usage = wgpu::BufferUsage::Vertex;
desc.size = 4;
wgpu::Buffer buffer = device.CreateBuffer(&desc);
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 0, 4);
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 0, 4);
}
{
wgpu::Buffer buffer = CreateMapReadBuffer(4);
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 0, 4);
}
{
wgpu::Buffer buffer = CreateMapWriteBuffer(4);
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 0, 4);
}
}
// Test map async with a wrong mode
TEST_F(BufferValidationTest, MapAsync_WrongMode) {
{
wgpu::Buffer buffer = CreateMapReadBuffer(4);
AssertMapAsyncError(buffer, wgpu::MapMode::None, 0, 4);
}
{
wgpu::Buffer buffer = CreateMapReadBuffer(4);
AssertMapAsyncError(buffer, wgpu::MapMode::Read | wgpu::MapMode::Write, 0, 4);
}
}
// Test map async with a buffer that's already mapped
TEST_F(BufferValidationTest, MapAsync_AlreadyMapped) {
{
wgpu::Buffer buffer = CreateMapReadBuffer(4);
buffer.MapAsync(wgpu::MapMode::Read, 0, 4, nullptr, nullptr);
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 0, 4);
}
{
wgpu::Buffer buffer = BufferMappedAtCreation(4, wgpu::BufferUsage::MapRead);
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 0, 4);
}
{
wgpu::Buffer buffer = CreateMapWriteBuffer(4);
buffer.MapAsync(wgpu::MapMode::Write, 0, 4, nullptr, nullptr);
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 0, 4);
}
{
wgpu::Buffer buffer = BufferMappedAtCreation(4, wgpu::BufferUsage::MapWrite);
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 0, 4);
}
}
// Test map async with a buffer that's destroyed
TEST_F(BufferValidationTest, MapAsync_Destroy) {
{
wgpu::Buffer buffer = CreateMapReadBuffer(4);
buffer.Destroy();
AssertMapAsyncError(buffer, wgpu::MapMode::Read, 0, 4);
}
{
wgpu::Buffer buffer = CreateMapWriteBuffer(4);
buffer.Destroy();
AssertMapAsyncError(buffer, wgpu::MapMode::Write, 0, 4);
}
}
// Test map async but unmapping before the result is ready.
TEST_F(BufferValidationTest, MapAsync_UnmapBeforeResult) {
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Unknown, _))
.Times(1);
buf.Unmap();
// The callback shouldn't be called again.
WaitForAllOperations(device);
}
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Unknown, _))
.Times(1);
buf.Unmap();
// The callback shouldn't be called again.
WaitForAllOperations(device);
}
}
// When a MapAsync is cancelled with Unmap it might still be in flight, test doing a new request
// works as expected and we don't get the cancelled request's data.
TEST_F(BufferValidationTest, MapAsync_UnmapBeforeResultAndMapAgain) {
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, this + 0);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Unknown, this + 0))
.Times(1);
buf.Unmap();
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, this + 1);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, this + 1))
.Times(1);
WaitForAllOperations(device);
}
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, this + 0);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Unknown, this + 0))
.Times(1);
buf.Unmap();
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, this + 1);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, this + 1))
.Times(1);
WaitForAllOperations(device);
}
}
// Test map async but destroying before the result is ready.
TEST_F(BufferValidationTest, MapAsync_DestroyBeforeResult) {
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Unknown, _))
.Times(1);
buf.Destroy();
// The callback shouldn't be called again.
WaitForAllOperations(device);
}
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Unknown, _))
.Times(1);
buf.Destroy();
// The callback shouldn't be called again.
WaitForAllOperations(device);
}
}
// Test that the MapCallback isn't fired twice when unmap() is called inside the callback
TEST_F(BufferValidationTest, MapAsync_UnmapCalledInCallback) {
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.WillOnce(InvokeWithoutArgs([&]() { buf.Unmap(); }));
WaitForAllOperations(device);
}
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.WillOnce(InvokeWithoutArgs([&]() { buf.Unmap(); }));
WaitForAllOperations(device);
}
}
// Test that the MapCallback isn't fired twice when destroy() is called inside the callback
TEST_F(BufferValidationTest, MapAsync_DestroyCalledInCallback) {
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.WillOnce(InvokeWithoutArgs([&]() { buf.Destroy(); }));
WaitForAllOperations(device);
}
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.WillOnce(InvokeWithoutArgs([&]() { buf.Destroy(); }));
WaitForAllOperations(device);
}
}
// Test the success case for mapping buffer for reading
TEST_F(BufferValidationTest, MapReadAsyncSuccess) {
wgpu::Buffer buf = CreateMapReadBuffer(4); wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapReadAsync(ToMockBufferMapReadCallback, nullptr); buf.MapReadAsync(ToMockBufferMapReadCallback, nullptr);
@ -178,7 +463,7 @@ TEST_F(BufferValidationTest, MapReadSuccess) {
} }
// Test the success case for mapping buffer for writing // Test the success case for mapping buffer for writing
TEST_F(BufferValidationTest, MapWriteSuccess) { TEST_F(BufferValidationTest, MapWriteAsyncSuccess) {
wgpu::Buffer buf = CreateMapWriteBuffer(4); wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapWriteAsync(ToMockBufferMapWriteCallback, nullptr); buf.MapWriteAsync(ToMockBufferMapWriteCallback, nullptr);
@ -605,6 +890,30 @@ TEST_F(BufferValidationTest, SubmitMappedBuffer) {
wgpu::Buffer bufA = device.CreateBuffer(&descriptorA); wgpu::Buffer bufA = device.CreateBuffer(&descriptorA);
wgpu::Buffer bufB = device.CreateBuffer(&descriptorB); wgpu::Buffer bufB = device.CreateBuffer(&descriptorB);
bufA.MapAsync(wgpu::MapMode::Write, 0, 4, nullptr, nullptr);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyBufferToBuffer(bufA, 0, bufB, 0, 4);
wgpu::CommandBuffer commands = encoder.Finish();
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
WaitForAllOperations(device);
}
{
wgpu::Buffer bufA = device.CreateBuffer(&descriptorA);
wgpu::Buffer bufB = device.CreateBuffer(&descriptorB);
bufB.MapAsync(wgpu::MapMode::Read, 0, 4, nullptr, nullptr);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyBufferToBuffer(bufA, 0, bufB, 0, 4);
wgpu::CommandBuffer commands = encoder.Finish();
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
WaitForAllOperations(device);
}
{
wgpu::Buffer bufA = device.CreateBuffer(&descriptorA);
wgpu::Buffer bufB = device.CreateBuffer(&descriptorB);
bufA.MapWriteAsync(ToMockBufferMapWriteCallback, nullptr); bufA.MapWriteAsync(ToMockBufferMapWriteCallback, nullptr);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
@ -721,6 +1030,24 @@ TEST_F(BufferValidationTest, UnmapUnmappedBuffer) {
buf.Unmap(); buf.Unmap();
buf.Unmap(); buf.Unmap();
} }
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
// Buffer starts unmapped. Unmap should succeed.
buf.Unmap();
buf.MapAsync(wgpu::MapMode::Read, 0, 4, nullptr, nullptr);
buf.Unmap();
// Unmapping twice should succeed
buf.Unmap();
}
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
// Buffer starts unmapped. Unmap should succeed.
buf.Unmap();
buf.MapAsync(wgpu::MapMode::Write, 0, 4, nullptr, nullptr);
// Unmapping twice should succeed
buf.Unmap();
buf.Unmap();
}
} }
// Test that it is invalid to call GetMappedRange on an unmapped buffer. // Test that it is invalid to call GetMappedRange on an unmapped buffer.
@ -779,6 +1106,32 @@ TEST_F(BufferValidationTest, GetMappedRangeOnUnmappedBuffer) {
WaitForAllOperations(device); WaitForAllOperations(device);
buf.Unmap(); buf.Unmap();
ASSERT_EQ(nullptr, buf.GetMappedRange());
ASSERT_EQ(nullptr, buf.GetConstMappedRange());
}
// Unmapped after MapAsync read case.
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.Times(1);
WaitForAllOperations(device);
buf.Unmap();
ASSERT_EQ(nullptr, buf.GetMappedRange());
ASSERT_EQ(nullptr, buf.GetConstMappedRange());
}
// Unmapped after MapAsync write case.
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.Times(1);
WaitForAllOperations(device);
buf.Unmap();
ASSERT_EQ(nullptr, buf.GetMappedRange()); ASSERT_EQ(nullptr, buf.GetMappedRange());
ASSERT_EQ(nullptr, buf.GetConstMappedRange()); ASSERT_EQ(nullptr, buf.GetConstMappedRange());
} }
@ -841,6 +1194,32 @@ TEST_F(BufferValidationTest, GetMappedRangeOnDestroyedBuffer) {
WaitForAllOperations(device); WaitForAllOperations(device);
buf.Destroy(); buf.Destroy();
ASSERT_EQ(nullptr, buf.GetMappedRange());
ASSERT_EQ(nullptr, buf.GetConstMappedRange());
}
// Destroyed after MapAsync read case.
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.Times(1);
WaitForAllOperations(device);
buf.Destroy();
ASSERT_EQ(nullptr, buf.GetMappedRange());
ASSERT_EQ(nullptr, buf.GetConstMappedRange());
}
// Destroyed after MapAsync write case.
{
wgpu::Buffer buf = CreateMapWriteBuffer(4);
buf.MapAsync(wgpu::MapMode::Write, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.Times(1);
WaitForAllOperations(device);
buf.Destroy();
ASSERT_EQ(nullptr, buf.GetMappedRange()); ASSERT_EQ(nullptr, buf.GetMappedRange());
ASSERT_EQ(nullptr, buf.GetConstMappedRange()); ASSERT_EQ(nullptr, buf.GetConstMappedRange());
} }
@ -848,6 +1227,7 @@ TEST_F(BufferValidationTest, GetMappedRangeOnDestroyedBuffer) {
// Test that it is invalid to call GetMappedRange on a buffer afterMapReadAsync // Test that it is invalid to call GetMappedRange on a buffer afterMapReadAsync
TEST_F(BufferValidationTest, GetMappedRangeOnMappedForReading) { TEST_F(BufferValidationTest, GetMappedRangeOnMappedForReading) {
{
wgpu::Buffer buf = CreateMapReadBuffer(4); wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapReadAsync(ToMockBufferMapReadCallback, nullptr); buf.MapReadAsync(ToMockBufferMapReadCallback, nullptr);
@ -857,6 +1237,17 @@ TEST_F(BufferValidationTest, GetMappedRangeOnMappedForReading) {
WaitForAllOperations(device); WaitForAllOperations(device);
ASSERT_EQ(nullptr, buf.GetMappedRange()); ASSERT_EQ(nullptr, buf.GetMappedRange());
}
{
wgpu::Buffer buf = CreateMapReadBuffer(4);
buf.MapAsync(wgpu::MapMode::Read, 0, 4, ToMockBufferMapAsyncCallback, nullptr);
EXPECT_CALL(*mockBufferMapAsyncCallback, Call(WGPUBufferMapAsyncStatus_Success, _))
.Times(1);
WaitForAllOperations(device);
ASSERT_EQ(nullptr, buf.GetMappedRange());
}
} }
// Test valid cases to call GetMappedRange on a buffer. // Test valid cases to call GetMappedRange on a buffer.