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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/helpers/cache_policy.h"
#include "shared/source/memory_manager/graphics_allocation.h"
namespace NEO {
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) : memoryPointer(ptr), surfaceSize(size) {
UNRECOVERABLE_IF(!ptr);
gfxAllocation = nullptr;
}
HostPtrSurface(const void *ptr, size_t size, bool copyAllowed) : HostPtrSurface(ptr, size) {
isPtrCopyAllowed = copyAllowed;
}
HostPtrSurface(const void *ptr, size_t size, GraphicsAllocation *allocation) : memoryPointer(ptr), surfaceSize(size), gfxAllocation(allocation) {
DEBUG_BREAK_IF(!ptr);
}
~HostPtrSurface() override = default;
void makeResident(CommandStreamReceiver &csr) override {
DEBUG_BREAK_IF(!gfxAllocation);
csr.makeResidentHostPtrAllocation(gfxAllocation);
}
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 {
return isL3Capable(*gfxAllocation);
}
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) : Surface(gfxAlloc->isCoherent()) {
gfxAllocation = gfxAlloc;
};
~GeneralSurface() override = default;
void makeResident(CommandStreamReceiver &csr) override {
csr.makeResident(*gfxAllocation);
};
Surface *duplicate() override { return new GeneralSurface(gfxAllocation); };
void setGraphicsAllocation(GraphicsAllocation *newAllocation) {
gfxAllocation = newAllocation;
IsCoherent = newAllocation->isCoherent();
}
protected:
GraphicsAllocation *gfxAllocation;
};
} // namespace NEO
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