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// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNWIRE_SERVER_SERVER_H_
#define DAWNWIRE_SERVER_SERVER_H_
#include "dawn_wire/server/ServerBase_autogen.h"
namespace dawn_wire { namespace server {
class Server;
class MemoryTransferService;
struct MapUserdata {
Server* server;
ObjectHandle buffer;
uint32_t requestSerial;
uint64_t size;
// TODO(enga): Use a tagged pointer to save space.
std::unique_ptr<MemoryTransferService::ReadHandle> readHandle = nullptr;
std::unique_ptr<MemoryTransferService::WriteHandle> writeHandle = nullptr;
};
struct ErrorScopeUserdata {
Server* server;
// TODO(enga): ObjectHandle device;
// when the wire supports multiple devices.
uint64_t requestSerial;
};
struct FenceCompletionUserdata {
Server* server;
ObjectHandle fence;
uint64_t value;
};
class Server : public ServerBase {
public:
Server(DawnDevice device,
const DawnProcTable& procs,
CommandSerializer* serializer,
MemoryTransferService* memoryTransferService);
~Server();
const volatile char* HandleCommands(const volatile char* commands, size_t size);
bool InjectTexture(DawnTexture texture, uint32_t id, uint32_t generation);
private:
void* GetCmdSpace(size_t size);
// Forwarding callbacks
static void ForwardUncapturedError(DawnErrorType type, const char* message, void* userdata);
static void ForwardPopErrorScope(DawnErrorType type, const char* message, void* userdata);
static void ForwardBufferMapReadAsync(DawnBufferMapAsyncStatus status,
const void* ptr,
uint64_t dataLength,
void* userdata);
static void ForwardBufferMapWriteAsync(DawnBufferMapAsyncStatus status,
void* ptr,
uint64_t dataLength,
void* userdata);
static void ForwardFenceCompletedValue(DawnFenceCompletionStatus status, void* userdata);
// Error callbacks
void OnUncapturedError(DawnErrorType type, const char* message);
void OnDevicePopErrorScope(DawnErrorType type,
const char* message,
ErrorScopeUserdata* userdata);
void OnBufferMapReadAsyncCallback(DawnBufferMapAsyncStatus status,
const void* ptr,
uint64_t dataLength,
MapUserdata* userdata);
void OnBufferMapWriteAsyncCallback(DawnBufferMapAsyncStatus status,
void* ptr,
uint64_t dataLength,
MapUserdata* userdata);
void OnFenceCompletedValueUpdated(DawnFenceCompletionStatus status,
FenceCompletionUserdata* userdata);
#include "dawn_wire/server/ServerPrototypes_autogen.inc"
CommandSerializer* mSerializer = nullptr;
WireDeserializeAllocator mAllocator;
DawnProcTable mProcs;
std::unique_ptr<MemoryTransferService> mOwnedMemoryTransferService = nullptr;
MemoryTransferService* mMemoryTransferService = nullptr;
};
std::unique_ptr<MemoryTransferService> CreateInlineMemoryTransferService();
}} // namespace dawn_wire::server
#endif // DAWNWIRE_SERVER_SERVER_H_
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