111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
/*
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* Copyright (C) 2017-2020 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include "shared/source/command_stream/command_stream_receiver.h"
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#include "shared/source/helpers/cache_policy.h"
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#include "shared/source/memory_manager/graphics_allocation.h"
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namespace NEO {
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class Surface {
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public:
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Surface(bool isCoherent = false) : IsCoherent(isCoherent) {}
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virtual ~Surface() = default;
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virtual void makeResident(CommandStreamReceiver &csr) = 0;
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virtual Surface *duplicate() = 0;
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virtual bool allowsL3Caching() { return true; }
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bool IsCoherent;
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};
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class NullSurface : public Surface {
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public:
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NullSurface(){};
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~NullSurface() override = default;
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void makeResident(CommandStreamReceiver &csr) override{};
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Surface *duplicate() override { return new NullSurface(); };
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};
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class HostPtrSurface : public Surface {
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public:
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HostPtrSurface(const void *ptr, size_t size) : memoryPointer(ptr), surfaceSize(size) {
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UNRECOVERABLE_IF(!ptr);
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gfxAllocation = nullptr;
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}
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HostPtrSurface(const void *ptr, size_t size, bool copyAllowed) : HostPtrSurface(ptr, size) {
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isPtrCopyAllowed = copyAllowed;
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}
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HostPtrSurface(const void *ptr, size_t size, GraphicsAllocation *allocation) : memoryPointer(ptr), surfaceSize(size), gfxAllocation(allocation) {
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DEBUG_BREAK_IF(!ptr);
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}
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~HostPtrSurface() override = default;
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void makeResident(CommandStreamReceiver &csr) override {
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DEBUG_BREAK_IF(!gfxAllocation);
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csr.makeResidentHostPtrAllocation(gfxAllocation);
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}
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Surface *duplicate() override {
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return new HostPtrSurface(this->memoryPointer, this->surfaceSize, this->gfxAllocation);
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};
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const void *getMemoryPointer() const {
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return memoryPointer;
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}
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size_t getSurfaceSize() const {
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return surfaceSize;
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}
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void setAllocation(GraphicsAllocation *allocation) {
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this->gfxAllocation = allocation;
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}
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GraphicsAllocation *getAllocation() {
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return gfxAllocation;
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}
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bool peekIsPtrCopyAllowed() {
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return isPtrCopyAllowed;
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}
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bool allowsL3Caching() override {
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return isL3Capable(*gfxAllocation);
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}
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protected:
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const void *memoryPointer;
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size_t surfaceSize;
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GraphicsAllocation *gfxAllocation;
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bool isPtrCopyAllowed = false;
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};
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class GeneralSurface : public Surface {
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public:
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GeneralSurface() : Surface(false) {
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gfxAllocation = nullptr;
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}
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GeneralSurface(GraphicsAllocation *gfxAlloc) : Surface(gfxAlloc->isCoherent()) {
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gfxAllocation = gfxAlloc;
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};
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~GeneralSurface() override = default;
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void makeResident(CommandStreamReceiver &csr) override {
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csr.makeResident(*gfxAllocation);
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};
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Surface *duplicate() override { return new GeneralSurface(gfxAllocation); };
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void setGraphicsAllocation(GraphicsAllocation *newAllocation) {
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gfxAllocation = newAllocation;
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IsCoherent = newAllocation->isCoherent();
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}
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protected:
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GraphicsAllocation *gfxAllocation;
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};
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} // namespace NEO
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