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sampler.go
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sampler.go
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package cl
/*
#include "cl.h"
*/
import "C"
import (
"unsafe"
)
func CLRetainSampler(sampler CL_sampler) CL_int {
return CL_int(C.clRetainSampler(sampler.cl_sampler))
}
func CLReleaseSampler(sampler CL_sampler) CL_int {
return CL_int(C.clReleaseSampler(sampler.cl_sampler))
}
func CLGetSamplerInfo(sampler CL_sampler,
param_name CL_sampler_info,
param_value_size CL_size_t,
param_value *interface{},
param_value_size_ret *CL_size_t) CL_int {
if (param_value_size == 0 || param_value == nil) && param_value_size_ret == nil {
return CL_INVALID_VALUE
} else {
var c_param_value_size_ret C.size_t
var c_errcode_ret C.cl_int
if param_value_size == 0 || param_value == nil {
c_errcode_ret = C.clGetSamplerInfo(sampler.cl_sampler,
C.cl_sampler_info(param_name),
C.size_t(param_value_size),
nil,
&c_param_value_size_ret)
} else {
switch param_name {
case CL_SAMPLER_REFERENCE_COUNT:
var value C.cl_uint
c_errcode_ret = C.clGetSamplerInfo(sampler.cl_sampler,
C.cl_sampler_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_uint(value)
case CL_SAMPLER_CONTEXT:
var value C.cl_context
c_errcode_ret = C.clGetSamplerInfo(sampler.cl_sampler,
C.cl_sampler_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_context{value}
case CL_SAMPLER_FILTER_MODE:
var value C.cl_filter_mode
c_errcode_ret = C.clGetSamplerInfo(sampler.cl_sampler,
C.cl_sampler_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_filter_mode(value)
case CL_SAMPLER_ADDRESSING_MODE:
var value C.cl_addressing_mode
c_errcode_ret = C.clGetSamplerInfo(sampler.cl_sampler,
C.cl_sampler_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_addressing_mode(value)
case CL_SAMPLER_NORMALIZED_COORDS:
var value C.cl_bool
c_errcode_ret = C.clGetSamplerInfo(sampler.cl_sampler,
C.cl_sampler_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_bool(value)
//TODO in CL.h, but not in spec? Why?
//case CL_SAMPLER_MIP_FILTER_MODE,
// CL_SAMPLER_LOD_MIN,
// CL_SAMPLER_LOD_MAX:
default:
return CL_INVALID_VALUE
}
}
if param_value_size_ret != nil {
*param_value_size_ret = CL_size_t(c_param_value_size_ret)
}
return CL_int(c_errcode_ret)
}
}