148 lines
4.9 KiB
C++
148 lines
4.9 KiB
C++
/*
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* Copyright (C) 2018-2020 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 "opencl/source/api/cl_types.h"
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#include "opencl/source/helpers/base_object.h"
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#include <vector>
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namespace NEO {
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class Context;
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struct HardwareInfo;
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template <>
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struct OpenCLObjectMapper<_cl_sampler> {
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typedef class Sampler DerivedType;
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};
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union SamplerLodProperty {
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cl_sampler_properties data;
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float lod;
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};
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class Sampler : public BaseObject<_cl_sampler> {
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public:
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static const cl_ulong objectMagic = 0x4684913AC213EF00LL;
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static const uint32_t samplerStateArrayAlignment = 64;
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static Sampler *create(Context *context, cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode, cl_filter_mode filterMode,
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cl_filter_mode mipFilterMode, float lodMin, float lodMax,
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cl_int &errcodeRet);
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static Sampler *create(Context *context, cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode, cl_filter_mode filterMode,
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cl_int &errcodeRet) {
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return Sampler::create(context, normalizedCoordinates, addressingMode, filterMode,
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CL_FILTER_NEAREST, 0.0f, std::numeric_limits<float>::max(),
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errcodeRet);
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}
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static Sampler *create(Context *context,
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const cl_sampler_properties *samplerProperties,
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cl_int &errcodeRet);
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cl_int getInfo(cl_sampler_info paramName, size_t paramValueSize,
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void *paramValue, size_t *paramValueSizeRet);
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virtual void setArg(void *memory) = 0;
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static size_t getSamplerStateSize(const HardwareInfo &hwInfo);
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bool isTransformable() const;
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Sampler(Context *context,
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cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode,
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cl_filter_mode filterMode,
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cl_filter_mode mipFilterMode,
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float lodMin,
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float lodMax);
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Sampler(Context *context,
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cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode,
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cl_filter_mode filterMode);
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unsigned int getSnapWaValue() const;
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cl_context context;
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cl_bool normalizedCoordinates;
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cl_addressing_mode addressingMode;
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cl_filter_mode filterMode;
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cl_filter_mode mipFilterMode;
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float lodMin;
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float lodMax;
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protected:
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void storeProperties(const cl_sampler_properties *properties);
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std::vector<uint64_t> propertiesVector;
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};
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template <typename GfxFamily>
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struct SamplerHw : public Sampler {
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void setArg(void *memory) override;
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void appendSamplerStateParams(typename GfxFamily::SAMPLER_STATE *state);
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static constexpr float getGenSamplerMaxLod() {
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return 14.0f;
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}
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SamplerHw(Context *context,
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cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode,
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cl_filter_mode filterMode,
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cl_filter_mode mipFilterMode,
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float lodMin,
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float lodMax)
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: Sampler(context, normalizedCoordinates, addressingMode, filterMode,
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mipFilterMode, lodMin, lodMax) {
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}
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SamplerHw(Context *context,
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cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode,
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cl_filter_mode filterMode)
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: Sampler(context, normalizedCoordinates, addressingMode, filterMode) {
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}
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static Sampler *create(Context *context,
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cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode,
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cl_filter_mode filterMode,
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cl_filter_mode mipFilterMode,
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float lodMin,
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float lodMax) {
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return new SamplerHw<GfxFamily>(context,
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normalizedCoordinates,
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addressingMode,
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filterMode,
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mipFilterMode,
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lodMin,
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lodMax);
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}
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static size_t getSamplerStateSize();
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};
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typedef Sampler *(*SamplerCreateFunc)(Context *context,
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cl_bool normalizedCoordinates,
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cl_addressing_mode addressingMode,
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cl_filter_mode filterMode,
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cl_filter_mode mipFilterMode,
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float lodMin,
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float lodMax);
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typedef size_t (*getSamplerStateSizeHwFunc)();
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template <>
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inline Sampler *castToObject<Sampler>(const void *object) {
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auto clSamplerObj = reinterpret_cast<const _cl_sampler *>(object);
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return castToObject<Sampler>(const_cast<cl_sampler>(clSamplerObj));
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}
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} // namespace NEO
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