compute-runtime/shared/source/kernel/kernel_arg_descriptor.h

338 lines
9.7 KiB
C++

/*
* Copyright (C) 2020-2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/kernel/kernel_arg_metadata.h"
#include "shared/source/utilities/arrayref.h"
#include "shared/source/utilities/stackvec.h"
#include <cinttypes>
#include <cstddef>
#include <limits>
namespace NEO {
using CrossThreadDataOffset = uint16_t;
using DynamicStateHeapOffset = uint16_t;
using SurfaceStateHeapOffset = uint16_t;
template <typename T>
static constexpr T undefined = std::numeric_limits<T>::max();
template <typename T>
bool isUndefinedOffset(T offset) {
return undefined<T> == offset;
}
template <typename T>
bool isValidOffset(T offset) {
return false == isUndefinedOffset<T>(offset);
}
struct ArgDescPointer final {
SurfaceStateHeapOffset bindful = undefined<SurfaceStateHeapOffset>;
CrossThreadDataOffset stateless = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset bindless = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset bufferOffset = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset slmOffset = undefined<CrossThreadDataOffset>;
uint8_t requiredSlmAlignment = 0;
uint8_t pointerSize = 0;
bool accessedUsingStatelessAddressingMode = true;
bool isPureStateful() const {
return false == accessedUsingStatelessAddressingMode;
}
};
struct ArgDescImage final {
SurfaceStateHeapOffset bindful = undefined<SurfaceStateHeapOffset>; // stateful with BTI
CrossThreadDataOffset bindless = undefined<CrossThreadDataOffset>;
struct {
CrossThreadDataOffset imgWidth = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset imgHeight = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset imgDepth = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset channelDataType = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset channelOrder = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset arraySize = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset numSamples = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset numMipLevels = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset flatBaseOffset = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset flatWidth = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset flatHeight = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset flatPitch = undefined<CrossThreadDataOffset>;
} metadataPayload;
};
struct ArgDescSampler final {
uint32_t samplerType = 0;
DynamicStateHeapOffset bindful = undefined<DynamicStateHeapOffset>;
CrossThreadDataOffset bindless = undefined<CrossThreadDataOffset>;
struct {
CrossThreadDataOffset samplerSnapWa = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset samplerAddressingMode = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset samplerNormalizedCoords = undefined<CrossThreadDataOffset>;
} metadataPayload;
};
struct ArgDescValue final {
struct Element {
CrossThreadDataOffset offset = undefined<CrossThreadDataOffset>;
uint16_t size = 0U;
uint16_t sourceOffset = 0U;
};
StackVec<Element, 1> elements;
};
struct ArgDescriptor final {
enum ArgType : uint8_t {
ArgTUnknown,
ArgTPointer,
ArgTImage,
ArgTSampler,
ArgTValue
};
struct ExtendedTypeInfo {
ExtendedTypeInfo() {
packed = 0U;
}
union {
struct {
bool isAccelerator : 1;
bool isDeviceQueue : 1;
bool isMediaImage : 1;
bool isMediaBlockImage : 1;
bool isTransformable : 1;
bool needsPatch : 1;
bool hasVmeExtendedDescriptor : 1;
bool hasDeviceSideEnqueueExtendedDescriptor : 1;
};
uint32_t packed;
};
};
ArgDescriptor(ArgType type);
ArgDescriptor()
: ArgDescriptor(ArgTUnknown) {
}
ArgDescriptor &operator=(const ArgDescriptor &rhs);
ArgDescriptor(const ArgDescriptor &rhs) {
*this = rhs;
}
template <typename T>
const T &as() const;
template <typename T>
T &as(bool initIfUnknown = false);
template <ArgType Type>
bool is() const {
return Type == this->type;
}
ArgTypeTraits &getTraits() {
return traits;
}
const ArgTypeTraits &getTraits() const {
return traits;
}
ExtendedTypeInfo &getExtendedTypeInfo() {
return extendedTypeInfo;
}
const ExtendedTypeInfo &getExtendedTypeInfo() const {
return extendedTypeInfo;
}
bool isReadOnly() const {
switch (type) {
default:
return true;
case ArgTImage:
return (KernelArgMetadata::AccessReadOnly == traits.accessQualifier);
case ArgTPointer:
return (KernelArgMetadata::AddrConstant == traits.addressQualifier) || (traits.typeQualifiers.constQual);
}
}
protected:
ArgDescValue asByValue;
ArgTypeTraits traits;
union {
ArgDescPointer asPointer;
ArgDescImage asImage;
ArgDescSampler asSampler;
};
ExtendedTypeInfo extendedTypeInfo;
public:
ArgType type;
};
namespace {
constexpr auto ArgSize = sizeof(ArgDescriptor);
static_assert(ArgSize <= 64, "Keep it small");
} // namespace
template <>
inline const ArgDescPointer &ArgDescriptor::as<ArgDescPointer>() const {
UNRECOVERABLE_IF(type != ArgTPointer);
return this->asPointer;
}
template <>
inline const ArgDescImage &ArgDescriptor::as<ArgDescImage>() const {
UNRECOVERABLE_IF(type != ArgTImage);
return this->asImage;
}
template <>
inline const ArgDescSampler &ArgDescriptor::as<ArgDescSampler>() const {
UNRECOVERABLE_IF(type != ArgTSampler);
return this->asSampler;
}
template <>
inline const ArgDescValue &ArgDescriptor::as<ArgDescValue>() const {
UNRECOVERABLE_IF(type != ArgTValue);
return this->asByValue;
}
template <>
inline ArgDescPointer &ArgDescriptor::as<ArgDescPointer>(bool initIfUnknown) {
if ((ArgTUnknown == type) && initIfUnknown) {
this->type = ArgTPointer;
this->asPointer = {};
}
UNRECOVERABLE_IF(type != ArgTPointer);
return this->asPointer;
}
template <>
inline ArgDescImage &ArgDescriptor::as<ArgDescImage>(bool initIfUnknown) {
if ((ArgTUnknown == type) && initIfUnknown) {
this->type = ArgTImage;
this->asImage = {};
}
UNRECOVERABLE_IF(type != ArgTImage);
return this->asImage;
}
template <>
inline ArgDescSampler &ArgDescriptor::as<ArgDescSampler>(bool initIfUnknown) {
if ((ArgTUnknown == type) && initIfUnknown) {
this->type = ArgTSampler;
this->asSampler = {};
}
UNRECOVERABLE_IF(type != ArgTSampler);
return this->asSampler;
}
template <>
inline ArgDescValue &ArgDescriptor::as<ArgDescValue>(bool initIfUnknown) {
if ((ArgTUnknown == type) && initIfUnknown) {
this->type = ArgTValue;
this->asByValue = {};
}
UNRECOVERABLE_IF(type != ArgTValue);
return this->asByValue;
}
template <uint32_t VecSize, typename T>
inline void setOffsetsVec(CrossThreadDataOffset (&dst)[VecSize], const T (&src)[VecSize]) {
for (uint32_t i = 0; i < VecSize; ++i) {
dst[i] = src[i];
}
}
template <typename DstT, typename SrcT>
inline bool patchNonPointer(ArrayRef<uint8_t> buffer, CrossThreadDataOffset location, const SrcT &value) {
if (undefined<CrossThreadDataOffset> == location) {
return false;
}
UNRECOVERABLE_IF(location + sizeof(DstT) > buffer.size());
*reinterpret_cast<DstT *>(buffer.begin() + location) = static_cast<DstT>(value);
return true;
}
template <uint32_t VecSize, typename T>
inline uint32_t patchVecNonPointer(ArrayRef<uint8_t> buffer, const CrossThreadDataOffset (&location)[VecSize], const T (&value)[VecSize]) {
uint32_t numPatched = 0;
for (uint32_t i = 0; i < VecSize; ++i) {
numPatched += patchNonPointer<T, T>(buffer, location[i], value[i]) ? 1 : 0;
}
return numPatched;
}
inline bool patchPointer(ArrayRef<uint8_t> buffer, const ArgDescPointer &arg, uintptr_t value) {
if (arg.pointerSize == 8) {
return patchNonPointer<uint64_t, uint64_t>(buffer, arg.stateless, static_cast<uint64_t>(value));
} else {
UNRECOVERABLE_IF((arg.pointerSize != 4) && isValidOffset(arg.stateless));
return patchNonPointer<uint32_t, uint32_t>(buffer, arg.stateless, static_cast<uint32_t>(value));
}
}
inline ArgDescriptor &ArgDescriptor::operator=(const ArgDescriptor &rhs) {
this->type = ArgTUnknown;
switch (rhs.type) {
default:
break;
case ArgTPointer:
this->as<ArgDescPointer>(true) = rhs.as<ArgDescPointer>();
break;
case ArgTImage:
this->as<ArgDescImage>(true) = rhs.as<ArgDescImage>();
break;
case ArgTSampler:
this->as<ArgDescSampler>(true) = rhs.as<ArgDescSampler>();
break;
case ArgTValue:
this->as<ArgDescValue>(true) = rhs.as<ArgDescValue>();
break;
}
this->type = rhs.type;
this->traits = rhs.traits;
this->extendedTypeInfo = rhs.extendedTypeInfo;
return *this;
}
inline ArgDescriptor::ArgDescriptor(ArgType type) : type(type) {
switch (type) {
default:
break;
case ArgTPointer:
this->as<ArgDescPointer>(true);
break;
case ArgTImage:
this->as<ArgDescImage>(true);
break;
case ArgTSampler:
this->as<ArgDescSampler>(true);
break;
case ArgTValue:
this->as<ArgDescValue>(true);
break;
}
}
struct ArgDescriptorExtended {
virtual ~ArgDescriptorExtended() = default;
};
} // namespace NEO