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/*
* Copyright (C) 2018-2024 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "opencl/source/sampler/sampler.h"
#include "shared/source/helpers/get_info.h"
#include "shared/source/helpers/hw_info.h"
#include "opencl/source/cl_device/cl_device.h"
#include "opencl/source/context/context.h"
#include "opencl/source/helpers/get_info_status_mapper.h"
#include "patch_list.h"
#include <limits>
namespace NEO {
SamplerCreateFunc samplerFactory[IGFX_MAX_CORE] = {};
Sampler::Sampler(Context *context, cl_bool normalizedCoordinates,
cl_addressing_mode addressingMode, cl_filter_mode filterMode,
cl_filter_mode mipFilterMode, float lodMin, float lodMax)
: context(context), normalizedCoordinates(normalizedCoordinates),
addressingMode(addressingMode), filterMode(filterMode),
mipFilterMode(mipFilterMode), lodMin(lodMin), lodMax(lodMax) {
}
Sampler *Sampler::create(Context *context, cl_bool normalizedCoordinates,
cl_addressing_mode addressingMode, cl_filter_mode filterMode,
cl_filter_mode mipFilterMode, float lodMin, float lodMax,
cl_int &errcodeRet) {
errcodeRet = CL_SUCCESS;
Sampler *sampler = nullptr;
DEBUG_BREAK_IF(nullptr == context);
const auto device = context->getDevice(0);
const auto &hwInfo = device->getHardwareInfo();
auto funcCreate = samplerFactory[hwInfo.platform.eRenderCoreFamily];
DEBUG_BREAK_IF(nullptr == funcCreate);
sampler = funcCreate(context, normalizedCoordinates, addressingMode, filterMode, mipFilterMode, lodMin, lodMax);
if (sampler == nullptr) {
errcodeRet = CL_OUT_OF_HOST_MEMORY;
}
return sampler;
}
template <typename ParameterType>
struct SetOnce {
SetOnce(ParameterType defaultValue, ParameterType min, ParameterType max)
: value(defaultValue), min(min), max(max) {
}
cl_int setValue(ParameterType property) {
if (alreadySet) {
return CL_INVALID_VALUE;
}
if ((property < min) || (property > max)) {
return CL_INVALID_VALUE;
}
this->value = property;
alreadySet = true;
return CL_SUCCESS;
}
bool alreadySet = false;
ParameterType value;
ParameterType min;
ParameterType max;
};
Sampler *Sampler::create(Context *context,
const cl_sampler_properties *samplerProperties,
cl_int &errcodeRet) {
SetOnce<uint32_t> normalizedCoords(CL_TRUE, CL_FALSE, CL_TRUE);
SetOnce<uint32_t> filterMode(CL_FILTER_NEAREST, CL_FILTER_NEAREST, CL_FILTER_LINEAR);
SetOnce<uint32_t> addressingMode(CL_ADDRESS_CLAMP, CL_ADDRESS_NONE, CL_ADDRESS_MIRRORED_REPEAT);
SetOnce<uint32_t> mipFilterMode(CL_FILTER_NEAREST, CL_FILTER_NEAREST, CL_FILTER_LINEAR);
SetOnce<float> lodMin(0.0f, 0.0f, std::numeric_limits<float>::max());
SetOnce<float> lodMax(std::numeric_limits<float>::max(), 0.0f, std::numeric_limits<float>::max());
errcodeRet = CL_SUCCESS;
auto samplerProperty = samplerProperties;
if (samplerProperty) {
cl_ulong samType;
while ((samType = *samplerProperty) != 0) {
++samplerProperty;
auto samValue = *samplerProperty;
switch (samType) {
case CL_SAMPLER_NORMALIZED_COORDS:
errcodeRet = normalizedCoords.setValue(static_cast<uint32_t>(samValue));
break;
case CL_SAMPLER_ADDRESSING_MODE:
errcodeRet = addressingMode.setValue(static_cast<uint32_t>(samValue));
break;
case CL_SAMPLER_FILTER_MODE:
errcodeRet = filterMode.setValue(static_cast<uint32_t>(samValue));
break;
case CL_SAMPLER_MIP_FILTER_MODE:
errcodeRet = mipFilterMode.setValue(static_cast<uint32_t>(samValue));
break;
case CL_SAMPLER_LOD_MIN: {
SamplerLodProperty lodData;
lodData.data = samValue;
errcodeRet = lodMin.setValue(lodData.lod);
break;
}
case CL_SAMPLER_LOD_MAX: {
SamplerLodProperty lodData;
lodData.data = samValue;
errcodeRet = lodMax.setValue(lodData.lod);
break;
}
default:
errcodeRet = CL_INVALID_VALUE;
break;
}
++samplerProperty;
}
}
Sampler *sampler = nullptr;
if (errcodeRet == CL_SUCCESS) {
sampler = create(context, normalizedCoords.value, addressingMode.value, filterMode.value,
mipFilterMode.value, lodMin.value, lodMax.value,
errcodeRet);
}
if (errcodeRet == CL_SUCCESS) {
sampler->storeProperties(samplerProperties);
}
return sampler;
}
unsigned int Sampler::getSnapWaValue() const {
if (filterMode == CL_FILTER_NEAREST && addressingMode == CL_ADDRESS_CLAMP) {
return iOpenCL::CONSTANT_REGISTER_BOOLEAN_TRUE;
} else {
return iOpenCL::CONSTANT_REGISTER_BOOLEAN_FALSE;
}
}
cl_int Sampler::getInfo(cl_sampler_info paramName, size_t paramValueSize,
void *paramValue, size_t *paramValueSizeRet) {
cl_int retVal;
size_t valueSize = GetInfo::invalidSourceSize;
const void *pValue = nullptr;
cl_uint refCount = 0;
switch (paramName) {
case CL_SAMPLER_CONTEXT:
valueSize = sizeof(cl_device_id);
pValue = &this->context;
break;
case CL_SAMPLER_NORMALIZED_COORDS:
valueSize = sizeof(cl_bool);
pValue = &this->normalizedCoordinates;
break;
case CL_SAMPLER_ADDRESSING_MODE:
valueSize = sizeof(cl_addressing_mode);
pValue = &this->addressingMode;
break;
case CL_SAMPLER_FILTER_MODE:
valueSize = sizeof(cl_filter_mode);
pValue = &this->filterMode;
break;
case CL_SAMPLER_MIP_FILTER_MODE:
valueSize = sizeof(cl_filter_mode);
pValue = &this->mipFilterMode;
break;
case CL_SAMPLER_LOD_MIN:
valueSize = sizeof(float);
pValue = &this->lodMin;
break;
case CL_SAMPLER_LOD_MAX:
valueSize = sizeof(float);
pValue = &this->lodMax;
break;
case CL_SAMPLER_REFERENCE_COUNT:
refCount = static_cast<cl_uint>(this->getReference());
valueSize = sizeof(refCount);
pValue = &refCount;
break;
case CL_SAMPLER_PROPERTIES:
valueSize = propertiesVector.size() * sizeof(cl_sampler_properties);
pValue = propertiesVector.data();
break;
default:
break;
}
auto getInfoStatus = GetInfo::getInfo(paramValue, paramValueSize, pValue, valueSize);
retVal = changeGetInfoStatusToCLResultType(getInfoStatus);
GetInfo::setParamValueReturnSize(paramValueSizeRet, valueSize, getInfoStatus);
return retVal;
}
void Sampler::storeProperties(const cl_sampler_properties *properties) {
if (properties) {
for (size_t i = 0; properties[i] != 0; i += 2) {
propertiesVector.push_back(properties[i]);
propertiesVector.push_back(properties[i + 1]);
}
propertiesVector.push_back(0);
}
}
} // namespace NEO
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