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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/command_buffer_direct.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "gpu/command_buffer/service/sync_point_manager.h"
#include "gpu/command_buffer/service/transfer_buffer_manager.h"
namespace gpu {
namespace {
uint64_t g_next_command_buffer_id = 1;
} // anonymous namespace
CommandBufferDirect::CommandBufferDirect(
TransferBufferManager* transfer_buffer_manager)
: CommandBufferDirect(transfer_buffer_manager, nullptr) {}
CommandBufferDirect::CommandBufferDirect(
TransferBufferManager* transfer_buffer_manager,
SyncPointManager* sync_point_manager)
: service_(this, transfer_buffer_manager),
sync_point_manager_(sync_point_manager),
command_buffer_id_(
CommandBufferId::FromUnsafeValue(g_next_command_buffer_id++)) {
if (sync_point_manager_) {
sync_point_order_data_ = sync_point_manager_->CreateSyncPointOrderData();
sync_point_client_state_ = sync_point_manager_->CreateSyncPointClientState(
GetNamespaceID(), GetCommandBufferID(),
sync_point_order_data_->sequence_id());
} else {
sync_point_order_data_ = nullptr;
sync_point_client_state_ = nullptr;
}
}
CommandBufferDirect::~CommandBufferDirect() {
sync_point_manager_ = nullptr;
if (sync_point_order_data_) {
sync_point_order_data_->Destroy();
sync_point_order_data_ = nullptr;
}
if (sync_point_client_state_) {
sync_point_client_state_->Destroy();
sync_point_client_state_ = nullptr;
}
}
CommandBuffer::State CommandBufferDirect::GetLastState() {
service_.UpdateState();
return service_.GetState();
}
CommandBuffer::State CommandBufferDirect::WaitForTokenInRange(int32_t start,
int32_t end) {
State state = GetLastState();
DCHECK(state.error != error::kNoError || InRange(start, end, state.token));
return state;
}
CommandBuffer::State CommandBufferDirect::WaitForGetOffsetInRange(
uint32_t set_get_buffer_count,
int32_t start,
int32_t end) {
State state = GetLastState();
DCHECK(state.error != error::kNoError ||
(InRange(start, end, state.get_offset) &&
(set_get_buffer_count == state.set_get_buffer_count)));
return state;
}
void CommandBufferDirect::Flush(int32_t put_offset) {
DCHECK(handler_);
uint32_t order_num = 0;
if (sync_point_manager_) {
// If sync point manager is supported, assign order numbers to commands.
if (paused_order_num_) {
// Was previous paused, continue to process the order number.
order_num = paused_order_num_;
paused_order_num_ = 0;
} else {
order_num = sync_point_order_data_->GenerateUnprocessedOrderNumber();
}
sync_point_order_data_->BeginProcessingOrderNumber(order_num);
}
if (pause_commands_) {
// Do not process commands, simply store the current order number.
paused_order_num_ = order_num;
sync_point_order_data_->PauseProcessingOrderNumber(order_num);
return;
}
service_.Flush(put_offset, handler_);
if (sync_point_manager_) {
// Finish processing order number here.
sync_point_order_data_->FinishProcessingOrderNumber(order_num);
}
}
void CommandBufferDirect::OrderingBarrier(int32_t put_offset) {
Flush(put_offset);
}
void CommandBufferDirect::SetGetBuffer(int32_t transfer_buffer_id) {
service_.SetGetBuffer(transfer_buffer_id);
}
scoped_refptr<Buffer> CommandBufferDirect::CreateTransferBuffer(size_t size,
int32_t* id) {
return service_.CreateTransferBuffer(size, id);
}
void CommandBufferDirect::DestroyTransferBuffer(int32_t id) {
service_.DestroyTransferBuffer(id);
}
CommandBufferServiceClient::CommandBatchProcessedResult
CommandBufferDirect::OnCommandBatchProcessed() {
return kContinueExecution;
}
void CommandBufferDirect::OnParseError() {}
void CommandBufferDirect::OnConsoleMessage(int32_t id,
const std::string& message) {}
void CommandBufferDirect::CacheShader(const std::string& key,
const std::string& shader) {}
void CommandBufferDirect::OnFenceSyncRelease(uint64_t release) {
DCHECK(sync_point_client_state_);
service_.SetReleaseCount(release);
sync_point_client_state_->ReleaseFenceSync(release);
}
bool CommandBufferDirect::OnWaitSyncToken(const gpu::SyncToken& sync_token) {
DCHECK(sync_point_manager_);
if (sync_point_manager_->IsSyncTokenReleased(sync_token))
return false;
service_.SetScheduled(false);
return true;
}
void CommandBufferDirect::OnDescheduleUntilFinished() {
service_.SetScheduled(false);
}
void CommandBufferDirect::OnRescheduleAfterFinished() {
service_.SetScheduled(true);
}
void CommandBufferDirect::OnSwapBuffers(uint64_t swap_id, uint32_t flags) {}
gpu::CommandBufferNamespace CommandBufferDirect::GetNamespaceID() const {
return gpu::CommandBufferNamespace::IN_PROCESS;
}
CommandBufferId CommandBufferDirect::GetCommandBufferID() const {
return command_buffer_id_;
}
void CommandBufferDirect::SetCommandsPaused(bool paused) {
pause_commands_ = paused;
}
void CommandBufferDirect::SignalSyncToken(const gpu::SyncToken& sync_token,
base::OnceClosure callback) {
if (sync_point_manager_) {
DCHECK(!paused_order_num_);
uint32_t order_num =
sync_point_order_data_->GenerateUnprocessedOrderNumber();
sync_point_order_data_->BeginProcessingOrderNumber(order_num);
base::RepeatingClosure maybe_pass_callback =
base::AdaptCallbackForRepeating(std::move(callback));
if (!sync_point_client_state_->Wait(sync_token, maybe_pass_callback))
maybe_pass_callback.Run();
sync_point_order_data_->FinishProcessingOrderNumber(order_num);
} else {
std::move(callback).Run();
}
}
scoped_refptr<Buffer> CommandBufferDirect::CreateTransferBufferWithId(
size_t size,
int32_t id) {
return service_.CreateTransferBufferWithId(size, id);
}
} // namespace gpu
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