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/*
* Copyright (C) 2020-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <cstddef>
namespace NEO {
class GraphicsAllocation;
class CommandStreamReceiver;
class Surface {
public:
Surface(bool isCoherent = false) : isCoherent(isCoherent) {}
virtual ~Surface() = default;
virtual void makeResident(CommandStreamReceiver &csr) = 0;
virtual Surface *duplicate() = 0;
virtual bool allowsL3Caching() { return true; }
bool isCoherent;
};
class NullSurface : public Surface {
public:
NullSurface(){};
~NullSurface() override = default;
void makeResident(CommandStreamReceiver &csr) override{};
Surface *duplicate() override { return new NullSurface(); };
};
class HostPtrSurface : public Surface {
public:
HostPtrSurface(const void *ptr, size_t size);
HostPtrSurface(const void *ptr, size_t size, bool copyAllowed) : HostPtrSurface(ptr, size) {
isPtrCopyAllowed = copyAllowed;
}
HostPtrSurface(const void *ptr, size_t size, GraphicsAllocation *allocation);
~HostPtrSurface() override = default;
void makeResident(CommandStreamReceiver &csr) override;
Surface *duplicate() override {
return new HostPtrSurface(this->memoryPointer, this->surfaceSize, this->gfxAllocation);
};
const void *getMemoryPointer() const {
return memoryPointer;
}
size_t getSurfaceSize() const {
return surfaceSize;
}
void setAllocation(GraphicsAllocation *allocation) {
this->gfxAllocation = allocation;
}
GraphicsAllocation *getAllocation() {
return gfxAllocation;
}
bool peekIsPtrCopyAllowed() {
return isPtrCopyAllowed;
}
bool allowsL3Caching() override;
void setIsPtrCopyAllowed(bool allowed) {
this->isPtrCopyAllowed = allowed;
}
protected:
const void *memoryPointer;
size_t surfaceSize;
GraphicsAllocation *gfxAllocation;
bool isPtrCopyAllowed = false;
};
class GeneralSurface : public Surface {
public:
GeneralSurface() : Surface(false) {
gfxAllocation = nullptr;
}
GeneralSurface(GraphicsAllocation *gfxAlloc);
GeneralSurface(GraphicsAllocation *gfxAlloc, bool needsMigration);
~GeneralSurface() override = default;
void makeResident(CommandStreamReceiver &csr) override;
Surface *duplicate() override { return new GeneralSurface(gfxAllocation); };
void setGraphicsAllocation(GraphicsAllocation *newAllocation);
protected:
bool needsMigration = false;
GraphicsAllocation *gfxAllocation;
};
} // namespace NEO
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