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/*
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/scratch_space_controller_base.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/constants.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/helpers/preamble.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"
namespace NEO {
ScratchSpaceControllerBase::ScratchSpaceControllerBase(uint32_t rootDeviceIndex, ExecutionEnvironment &environment, InternalAllocationStorage &allocationStorage)
: ScratchSpaceController(rootDeviceIndex, environment, allocationStorage) {
}
void ScratchSpaceControllerBase::setRequiredScratchSpace(void *sshBaseAddress,
uint32_t scratchSlot,
uint32_t requiredPerThreadScratchSizeSlot0,
uint32_t requiredPerThreadScratchSizeSlot1,
OsContext &osContext,
bool &stateBaseAddressDirty,
bool &vfeStateDirty) {
if (requiredPerThreadScratchSizeSlot0 && (perThreadScratchSpaceSlot0Size < requiredPerThreadScratchSizeSlot0)) {
perThreadScratchSpaceSlot0Size = requiredPerThreadScratchSizeSlot0;
scratchSlot0SizeInBytes = perThreadScratchSpaceSlot0Size * computeUnitsUsedForScratch;
if (scratchSlot0Allocation) {
csrAllocationStorage.storeAllocation(std::unique_ptr<GraphicsAllocation>(scratchSlot0Allocation), TEMPORARY_ALLOCATION);
}
createScratchSpaceAllocation();
vfeStateDirty = true;
force32BitAllocation = getMemoryManager()->peekForce32BitAllocations();
if (is64bit && !force32BitAllocation) {
stateBaseAddressDirty = true;
}
}
}
void ScratchSpaceControllerBase::createScratchSpaceAllocation() {
scratchSlot0Allocation = getMemoryManager()->allocateGraphicsMemoryWithProperties({rootDeviceIndex, scratchSlot0SizeInBytes, AllocationType::scratchSurface, this->csrAllocationStorage.getDeviceBitfield()});
UNRECOVERABLE_IF(scratchSlot0Allocation == nullptr);
}
uint64_t ScratchSpaceControllerBase::calculateNewGSH() {
uint64_t gsh = 0;
if (scratchSlot0Allocation) {
gsh = scratchSlot0Allocation->getGpuAddress() - ScratchSpaceConstants::scratchSpaceOffsetFor64Bit;
}
return gsh;
}
uint64_t ScratchSpaceControllerBase::getScratchPatchAddress() {
// for 32 bit scratch space pointer is being programmed in Media VFE State and is relative to 0 as General State Base Address
// for 64 bit, scratch space pointer is being programmed as "General State Base Address - scratchSpaceOffsetFor64bit"
// and "0 + scratchSpaceOffsetFor64bit" is being programmed in Media VFE state
uint64_t scratchAddress = 0;
if (scratchSlot0Allocation) {
scratchAddress = scratchSlot0Allocation->getGpuAddressToPatch();
if (is64bit && !getMemoryManager()->peekForce32BitAllocations()) {
// this is to avoid scratch allocation offset "0"
scratchAddress = ScratchSpaceConstants::scratchSpaceOffsetFor64Bit;
}
}
return scratchAddress;
}
void ScratchSpaceControllerBase::reserveHeap(IndirectHeap::Type heapType, IndirectHeap *&indirectHeap) {
if (heapType == IndirectHeap::Type::surfaceState) {
auto &gfxCoreHelper = executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->getHelper<GfxCoreHelper>();
auto surfaceStateSize = gfxCoreHelper.getRenderSurfaceStateSize();
indirectHeap->getSpace(surfaceStateSize);
}
}
void ScratchSpaceControllerBase::programHeaps(HeapContainer &heapContainer,
uint32_t offset,
uint32_t requiredPerThreadScratchSizeSlot0,
uint32_t requiredPerThreadScratchSizeSlot1,
OsContext &osContext,
bool &stateBaseAddressDirty,
bool &vfeStateDirty) {
}
void ScratchSpaceControllerBase::programBindlessSurfaceStateForScratch(BindlessHeapsHelper *heapsHelper,
uint32_t requiredPerThreadScratchSizeSlot0,
uint32_t requiredPerThreadScratchSizeSlot1,
OsContext &osContext,
bool &stateBaseAddressDirty,
bool &vfeStateDirty,
NEO::CommandStreamReceiver *csr) {
}
} // namespace NEO
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