compute-runtime/runtime/os_interface/linux/drm_command_stream.h

60 lines
2.0 KiB
C++

/*
* Copyright (C) 2017-2019 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "runtime/command_stream/device_command_stream.h"
#include "runtime/os_interface/linux/drm_gem_close_worker.h"
#include "drm/i915_drm.h"
#include <vector>
namespace NEO {
class BufferObject;
class Drm;
class DrmMemoryManager;
template <typename GfxFamily>
class DrmCommandStreamReceiver : public DeviceCommandStreamReceiver<GfxFamily> {
protected:
typedef DeviceCommandStreamReceiver<GfxFamily> BaseClass;
using CommandStreamReceiverHw<GfxFamily>::CommandStreamReceiver::getTagAddress;
using BaseClass::getScratchPatchAddress;
using BaseClass::makeNonResident;
using BaseClass::makeResident;
using BaseClass::mediaVfeStateDirty;
using BaseClass::osContext;
using BaseClass::requiredScratchSize;
public:
// When drm is null default implementation is used. In this case DrmCommandStreamReceiver is responsible to free drm.
// When drm is passed, DCSR will not free it at destruction
DrmCommandStreamReceiver(ExecutionEnvironment &executionEnvironment,
gemCloseWorkerMode mode = gemCloseWorkerMode::gemCloseWorkerActive);
FlushStamp flush(BatchBuffer &batchBuffer, ResidencyContainer &allocationsForResidency) override;
void makeResident(GraphicsAllocation &gfxAllocation) override;
void processResidency(ResidencyContainer &allocationsForResidency) override;
void makeNonResident(GraphicsAllocation &gfxAllocation) override;
bool waitForFlushStamp(FlushStamp &flushStampToWait) override;
DrmMemoryManager *getMemoryManager() const;
gemCloseWorkerMode peekGemCloseWorkerOperationMode() {
return this->gemCloseWorkerOperationMode;
}
protected:
void makeResident(BufferObject *bo);
std::vector<BufferObject *> residency;
std::vector<drm_i915_gem_exec_object2> execObjectsStorage;
Drm *drm;
gemCloseWorkerMode gemCloseWorkerOperationMode;
};
} // namespace NEO