compute-runtime/opencl/source/helpers/sampler_helpers.h

54 lines
1.4 KiB
C++

/*
* Copyright (C) 2018-2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "CL/cl.h"
#include <cstdint>
// It's max SSH size per kernel (MAX_BINDING_TABLE_INDEX * 64)
const uint32_t SAMPLER_OBJECT_ID_SHIFT = 253 * 64;
// Sampler Patch Token Enums
enum SAMPLER_PATCH_ENUM {
CLK_DEFAULT_SAMPLER = 0x00,
CLK_ADDRESS_NONE = 0x00,
CLK_ADDRESS_CLAMP = 0x01,
CLK_ADDRESS_CLAMP_TO_EDGE = 0x02,
CLK_ADDRESS_REPEAT = 0x03,
CLK_ADDRESS_MIRRORED_REPEAT = 0x04,
CLK_ADDRESS_MIRRORED_REPEAT_101 = 0x05,
CLK_NORMALIZED_COORDS_FALSE = 0x00,
CLK_NORMALIZED_COORDS_TRUE = 0x08,
CLK_FILTER_NEAREST = 0x00,
CLK_FILTER_LINEAR = 0x00,
};
inline SAMPLER_PATCH_ENUM GetAddrModeEnum(cl_addressing_mode addressingMode) {
switch (addressingMode) {
case CL_ADDRESS_REPEAT:
return CLK_ADDRESS_REPEAT;
case CL_ADDRESS_CLAMP_TO_EDGE:
return CLK_ADDRESS_CLAMP_TO_EDGE;
case CL_ADDRESS_CLAMP:
return CLK_ADDRESS_CLAMP;
case CL_ADDRESS_NONE:
return CLK_ADDRESS_NONE;
case CL_ADDRESS_MIRRORED_REPEAT:
return CLK_ADDRESS_MIRRORED_REPEAT;
}
return CLK_ADDRESS_NONE;
}
inline SAMPLER_PATCH_ENUM GetNormCoordsEnum(cl_bool normalizedCoords) {
if (normalizedCoords == CL_TRUE) {
return CLK_NORMALIZED_COORDS_TRUE;
} else {
return CLK_NORMALIZED_COORDS_FALSE;
}
}