compute-runtime/runtime/helpers/sampler_helpers.h

67 lines
2.4 KiB
C

/*
* Copyright (c) 2017 - 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "CL/cl.h"
// 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;
}
}