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/*
* Copyright (C) 2021-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/scratch_space_controller_xehp_and_later.h"
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/execution_environment/execution_environment.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/helpers/aligned_memory.h"
#include "shared/source/helpers/api_specific_config.h"
#include "shared/source/helpers/basic_math.h"
#include "shared/source/helpers/constants.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/memory_manager/allocation_properties.h"
#include "shared/source/memory_manager/graphics_allocation.h"
#include "shared/source/memory_manager/internal_allocation_storage.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/os_interface/os_context.h"
#include "shared/source/os_interface/product_helper.h"
namespace NEO {
ScratchSpaceControllerXeHPAndLater::ScratchSpaceControllerXeHPAndLater(uint32_t rootDeviceIndex,
ExecutionEnvironment &environment,
InternalAllocationStorage &allocationStorage)
: ScratchSpaceController(rootDeviceIndex, environment, allocationStorage) {
auto &gfxCoreHelper = environment.rootDeviceEnvironments[rootDeviceIndex]->getHelper<GfxCoreHelper>();
singleSurfaceStateSize = gfxCoreHelper.getRenderSurfaceStateSize();
if (debugManager.flags.EnablePrivateScratchSlot1.get() != -1) {
twoSlotScratchSpaceSupported = !!debugManager.flags.EnablePrivateScratchSlot1.get();
}
if (twoSlotScratchSpaceSupported) {
ScratchSpaceControllerXeHPAndLater::stateSlotsCount *= 2;
}
}
void ScratchSpaceControllerXeHPAndLater::setNewSshPtr(void *newSsh, bool &cfeDirty, bool changeId) {
if (surfaceStateHeap != newSsh) {
surfaceStateHeap = static_cast<char *>(newSsh);
if (scratchSlot0Allocation == nullptr) {
cfeDirty = false;
} else {
if (changeId) {
slotId = 0;
}
programSurfaceState();
cfeDirty = true;
}
}
}
void ScratchSpaceControllerXeHPAndLater::setRequiredScratchSpace(void *sshBaseAddress,
uint32_t offset,
uint32_t requiredPerThreadScratchSizeSlot0,
uint32_t requiredPerThreadScratchSizeSlot1,
OsContext &osContext,
bool &stateBaseAddressDirty,
bool &vfeStateDirty) {
setNewSshPtr(sshBaseAddress, vfeStateDirty, offset == 0 ? true : false);
bool scratchSurfaceDirty = false;
prepareScratchAllocation(requiredPerThreadScratchSizeSlot0, requiredPerThreadScratchSizeSlot1, osContext, stateBaseAddressDirty, scratchSurfaceDirty, vfeStateDirty);
if (scratchSurfaceDirty) {
vfeStateDirty = true;
updateSlots = true;
programSurfaceState();
}
}
void ScratchSpaceControllerXeHPAndLater::programSurfaceState() {
if (updateSlots) {
slotId++;
}
UNRECOVERABLE_IF(slotId >= stateSlotsCount);
UNRECOVERABLE_IF(scratchSlot0Allocation == nullptr && scratchSlot1Allocation == nullptr);
void *surfaceStateForScratchAllocation = ptrOffset(static_cast<void *>(surfaceStateHeap), getOffsetToSurfaceState(slotId + sshOffset));
programSurfaceStateAtPtr(surfaceStateForScratchAllocation);
}
void ScratchSpaceControllerXeHPAndLater::programSurfaceStateAtPtr(void *surfaceStateForScratchAllocation) {
auto &gfxCoreHelper = executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->getHelper<GfxCoreHelper>();
uint64_t scratchAllocationAddress = 0u;
if (scratchSlot0Allocation) {
scratchAllocationAddress = scratchSlot0Allocation->getGpuAddress();
}
gfxCoreHelper.setRenderSurfaceStateForScratchResource(*executionEnvironment.rootDeviceEnvironments[rootDeviceIndex],
surfaceStateForScratchAllocation, computeUnitsUsedForScratch, scratchAllocationAddress, 0,
perThreadScratchSpaceSlot0Size, nullptr, false, scratchType, false, true);
if (twoSlotScratchSpaceSupported) {
void *surfaceStateForSlot1Allocation = ptrOffset(surfaceStateForScratchAllocation, singleSurfaceStateSize);
uint64_t scratchSlot1AllocationAddress = 0u;
if (scratchSlot1Allocation) {
scratchSlot1AllocationAddress = scratchSlot1Allocation->getGpuAddress();
}
gfxCoreHelper.setRenderSurfaceStateForScratchResource(*executionEnvironment.rootDeviceEnvironments[rootDeviceIndex],
surfaceStateForSlot1Allocation, computeUnitsUsedForScratch,
scratchSlot1AllocationAddress, 0, perThreadScratchSpaceSlot1Size, nullptr, false,
scratchType, false, true);
}
}
uint64_t ScratchSpaceControllerXeHPAndLater::calculateNewGSH() {
return 0u;
}
uint64_t ScratchSpaceControllerXeHPAndLater::getScratchPatchAddress() {
uint64_t scratchAddress = 0u;
if (scratchSlot0Allocation || scratchSlot1Allocation) {
scratchAddress = static_cast<uint64_t>(getOffsetToSurfaceState(slotId + sshOffset));
}
return scratchAddress;
}
size_t ScratchSpaceControllerXeHPAndLater::getOffsetToSurfaceState(uint32_t requiredSlotCount) const {
auto offset = requiredSlotCount * singleSurfaceStateSize;
if (twoSlotScratchSpaceSupported) {
offset *= 2;
}
return offset;
}
void ScratchSpaceControllerXeHPAndLater::reserveHeap(IndirectHeap::Type heapType, IndirectHeap *&indirectHeap) {
if (heapType == IndirectHeap::Type::surfaceState) {
indirectHeap->getSpace(getOffsetToSurfaceState(stateSlotsCount));
}
}
void ScratchSpaceControllerXeHPAndLater::programBindlessSurfaceStateForScratch(BindlessHeapsHelper *heapsHelper,
uint32_t requiredPerThreadScratchSizeSlot0,
uint32_t requiredPerThreadScratchSizeSlot1,
OsContext &osContext,
bool &stateBaseAddressDirty,
bool &vfeStateDirty,
NEO::CommandStreamReceiver *csr) {
bool scratchSurfaceDirty = false;
prepareScratchAllocation(requiredPerThreadScratchSizeSlot0, requiredPerThreadScratchSizeSlot1, osContext, stateBaseAddressDirty, scratchSurfaceDirty, vfeStateDirty);
if (scratchSurfaceDirty) {
bindlessSS = heapsHelper->allocateSSInHeap(singleSurfaceStateSize * (twoSlotScratchSpaceSupported ? 2 : 1), scratchSlot0Allocation, BindlessHeapsHelper::specialSsh);
programSurfaceStateAtPtr(bindlessSS.ssPtr);
vfeStateDirty = true;
}
if (bindlessSS.heapAllocation) {
csr->makeResident(*bindlessSS.heapAllocation);
}
}
void ScratchSpaceControllerXeHPAndLater::prepareScratchAllocation(uint32_t requiredPerThreadScratchSizeSlot0,
uint32_t requiredPerThreadScratchSizeSlot1,
OsContext &osContext,
bool &stateBaseAddressDirty,
bool &scratchSurfaceDirty,
bool &vfeStateDirty) {
uint32_t requiredPerThreadScratchSizeSlot0AlignedUp = requiredPerThreadScratchSizeSlot0;
if (!Math::isPow2(requiredPerThreadScratchSizeSlot0AlignedUp)) {
requiredPerThreadScratchSizeSlot0AlignedUp = Math::nextPowerOfTwo(requiredPerThreadScratchSizeSlot0);
}
auto &productHelper = executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->getHelper<ProductHelper>();
size_t requiredScratchSizeInBytes = static_cast<size_t>(requiredPerThreadScratchSizeSlot0AlignedUp) * computeUnitsUsedForScratch;
productHelper.adjustScratchSize(requiredScratchSizeInBytes);
scratchSurfaceDirty = false;
auto multiTileCapable = osContext.getNumSupportedDevices() > 1;
if (scratchSlot0SizeInBytes < requiredScratchSizeInBytes) {
if (scratchSlot0Allocation) {
csrAllocationStorage.storeAllocation(std::unique_ptr<GraphicsAllocation>(scratchSlot0Allocation), TEMPORARY_ALLOCATION);
}
scratchSurfaceDirty = true;
scratchSlot0SizeInBytes = requiredScratchSizeInBytes;
perThreadScratchSpaceSlot0Size = requiredPerThreadScratchSizeSlot0AlignedUp;
AllocationProperties properties{this->rootDeviceIndex, true, scratchSlot0SizeInBytes, AllocationType::scratchSurface, multiTileCapable, false, osContext.getDeviceBitfield()};
scratchSlot0Allocation = getMemoryManager()->allocateGraphicsMemoryWithProperties(properties);
}
if (twoSlotScratchSpaceSupported) {
uint32_t requiredPerThreadScratchSizeSlot1AlignedUp = requiredPerThreadScratchSizeSlot1;
if (!Math::isPow2(requiredPerThreadScratchSizeSlot1AlignedUp)) {
requiredPerThreadScratchSizeSlot1AlignedUp = Math::nextPowerOfTwo(requiredPerThreadScratchSizeSlot1);
}
size_t requiredScratchSlot1SizeInBytes = static_cast<size_t>(requiredPerThreadScratchSizeSlot1AlignedUp) * computeUnitsUsedForScratch;
productHelper.adjustScratchSize(requiredScratchSlot1SizeInBytes);
if (scratchSlot1SizeInBytes < requiredScratchSlot1SizeInBytes) {
if (scratchSlot1Allocation) {
csrAllocationStorage.storeAllocation(std::unique_ptr<GraphicsAllocation>(scratchSlot1Allocation), TEMPORARY_ALLOCATION);
}
scratchSlot1SizeInBytes = requiredScratchSlot1SizeInBytes;
perThreadScratchSpaceSlot1Size = requiredPerThreadScratchSizeSlot1AlignedUp;
scratchSurfaceDirty = true;
AllocationProperties properties{this->rootDeviceIndex, true, scratchSlot1SizeInBytes, AllocationType::scratchSurface, multiTileCapable, false, osContext.getDeviceBitfield()};
scratchSlot1Allocation = getMemoryManager()->allocateGraphicsMemoryWithProperties(properties);
}
}
}
void ScratchSpaceControllerXeHPAndLater::programHeaps(HeapContainer &heapContainer,
uint32_t scratchSlot,
uint32_t requiredPerThreadScratchSizeSlot0,
uint32_t requiredPerThreadScratchSizeSlot1,
OsContext &osContext,
bool &stateBaseAddressDirty,
bool &vfeStateDirty) {
sshOffset = scratchSlot;
updateSlots = false;
setRequiredScratchSpace(heapContainer[0]->getUnderlyingBuffer(), sshOffset, requiredPerThreadScratchSizeSlot0, requiredPerThreadScratchSizeSlot1, osContext, stateBaseAddressDirty, vfeStateDirty);
for (uint32_t i = 1; i < heapContainer.size(); ++i) {
surfaceStateHeap = static_cast<char *>(heapContainer[i]->getUnderlyingBuffer());
updateSlots = false;
programSurfaceState();
}
updateSlots = true;
}
} // namespace NEO
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