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/* pocl/_kernel_c.h - C compatible OpenCL types and runtime library
functions declarations.
Copyright (c) 2011 Universidad Rey Juan Carlos
Copyright (c) 2011-2013 Pekka Jääskeläinen / TUT
Copyright (c) 2011-2013 Erik Schnetter <eschnetter@perimeterinstitute.ca>
Perimeter Institute for Theoretical Physics
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.
*/
/**
* Header that can be implemented in C compiled implementations of
* built-in functions to introduce the OpenCL C compatible types etc.
*/
#ifndef _KERNEL_C_H
#define _KERNEL_C_H
#include "pocl_types.h"
/* Function/type attributes supported by Clang/SPIR */
#if __has_attribute(__always_inline__)
# define _CL_ALWAYSINLINE __attribute__((__always_inline__))
#else
# define _CL_ALWAYSINLINE
#endif
#if __has_attribute(__noinline__)
# define _CL_NOINLINE __attribute__((__noinline__))
#else
# define _CL_NOINLINE
#endif
#if __has_attribute(__overloadable__)
# define _CL_OVERLOADABLE __attribute__((__overloadable__))
#else
# define _CL_OVERLOADABLE
#endif
#if (__clang_major__ == 3) && (__clang_minor__ >= 2)
/* This causes an error with Clang 3.1: */
/* #if __has_attribute(__const__) */
# define _CL_READNONE __attribute__((__const__))
#else
# define _CL_READNONE
#endif
#if __has_attribute(__pure__)
# define _CL_READONLY __attribute__((__pure__))
#else
# define _CL_READONLY
#endif
#if __has_attribute(__unavailable__)
# define _CL_UNAVAILABLE __attribute__((__unavailable__))
#else
# define _CL_UNAVAILABLE
#endif
typedef char char2 __attribute__((__ext_vector_type__(2)));
typedef char char3 __attribute__((__ext_vector_type__(3)));
typedef char char4 __attribute__((__ext_vector_type__(4)));
typedef char char8 __attribute__((__ext_vector_type__(8)));
typedef char char16 __attribute__((__ext_vector_type__(16)));
typedef uchar uchar2 __attribute__((__ext_vector_type__(2)));
typedef uchar uchar3 __attribute__((__ext_vector_type__(3)));
typedef uchar uchar4 __attribute__((__ext_vector_type__(4)));
typedef uchar uchar8 __attribute__((__ext_vector_type__(8)));
typedef uchar uchar16 __attribute__((__ext_vector_type__(16)));
typedef short short2 __attribute__((__ext_vector_type__(2)));
typedef short short3 __attribute__((__ext_vector_type__(3)));
typedef short short4 __attribute__((__ext_vector_type__(4)));
typedef short short8 __attribute__((__ext_vector_type__(8)));
typedef short short16 __attribute__((__ext_vector_type__(16)));
typedef ushort ushort2 __attribute__((__ext_vector_type__(2)));
typedef ushort ushort3 __attribute__((__ext_vector_type__(3)));
typedef ushort ushort4 __attribute__((__ext_vector_type__(4)));
typedef ushort ushort8 __attribute__((__ext_vector_type__(8)));
typedef ushort ushort16 __attribute__((__ext_vector_type__(16)));
typedef int int2 __attribute__((__ext_vector_type__(2)));
typedef int int3 __attribute__((__ext_vector_type__(3)));
typedef int int4 __attribute__((__ext_vector_type__(4)));
typedef int int8 __attribute__((__ext_vector_type__(8)));
typedef int int16 __attribute__((__ext_vector_type__(16)));
typedef uint uint2 __attribute__((__ext_vector_type__(2)));
typedef uint uint3 __attribute__((__ext_vector_type__(3)));
typedef uint uint4 __attribute__((__ext_vector_type__(4)));
typedef uint uint8 __attribute__((__ext_vector_type__(8)));
typedef uint uint16 __attribute__((__ext_vector_type__(16)));
#if defined(__CBUILD__) && defined(cl_khr_fp16)
/* NOTE: the Clang's __fp16 does not work robustly in C mode,
it might produce invalid code at least with half vectors.
Using the native 'half' type in OpenCL C mode works better. */
typedef __fp16 half;
#endif
#ifdef cl_khr_fp16
typedef half half2 __attribute__((__ext_vector_type__(2)));
typedef half half3 __attribute__((__ext_vector_type__(3)));
typedef half half4 __attribute__((__ext_vector_type__(4)));
typedef half half8 __attribute__((__ext_vector_type__(8)));
typedef half half16 __attribute__((__ext_vector_type__(16)));
#endif
typedef float float2 __attribute__((__ext_vector_type__(2)));
typedef float float3 __attribute__((__ext_vector_type__(3)));
typedef float float4 __attribute__((__ext_vector_type__(4)));
typedef float float8 __attribute__((__ext_vector_type__(8)));
typedef float float16 __attribute__((__ext_vector_type__(16)));
#ifdef cl_khr_fp64
# ifndef __CBUILD__
# pragma OPENCL EXTENSION cl_khr_fp64 : enable
# endif
typedef double double2 __attribute__((__ext_vector_type__(2)));
typedef double double3 __attribute__((__ext_vector_type__(3)));
typedef double double4 __attribute__((__ext_vector_type__(4)));
typedef double double8 __attribute__((__ext_vector_type__(8)));
typedef double double16 __attribute__((__ext_vector_type__(16)));
#endif
#ifdef cl_khr_int64
typedef long long2 __attribute__((__ext_vector_type__(2)));
typedef long long3 __attribute__((__ext_vector_type__(3)));
typedef long long4 __attribute__((__ext_vector_type__(4)));
typedef long long8 __attribute__((__ext_vector_type__(8)));
typedef long long16 __attribute__((__ext_vector_type__(16)));
typedef ulong ulong2 __attribute__((__ext_vector_type__(2)));
typedef ulong ulong3 __attribute__((__ext_vector_type__(3)));
typedef ulong ulong4 __attribute__((__ext_vector_type__(4)));
typedef ulong ulong8 __attribute__((__ext_vector_type__(8)));
typedef ulong ulong16 __attribute__((__ext_vector_type__(16)));
#endif
/* Image support */
/* Starting from Clang 3.3 the image and sampler are detected
as opaque types by the frontend. In order to define
the default builtins we use C functions which require
the typedefs to the actual underlying types. Clang 3.2
the typedefs throughout as the types are not detected
by the frontend. */
#if !defined(_CL_HAS_IMAGE_ACCESS)
typedef int sampler_t;
/* Since some built-ins have different return types
* (e.g. get_image_dim returns an int2 for 2D images and arrays,
* but an int4 for 3D images) we want each image type to
* point to a different type which is actually always the same.
* We do this by making it pointer to structs whose only element is a
* dev_image_t. The structs are not anonymous to allow identification
* by name.
*/
typedef struct _pocl_image2d_t { dev_image_t base; }* image2d_t;
typedef struct _pocl_image3d_t { dev_image_t base; }* image3d_t;
typedef struct _pocl_image1d_t { dev_image_t base; }* image1d_t;
typedef struct _pocl_image1d_buffer_t { dev_image_t base; }* image1d_buffer_t;
typedef struct _pocl_image2d_array_t { dev_image_t base; }* image2d_array_t;
typedef struct _pocl_image1d_array_t { dev_image_t base; }* image1d_array_t;
#endif
/* cl_channel_order */
#define CL_R 0x10B0
#define CL_A 0x10B1
#define CL_RG 0x10B2
#define CL_RA 0x10B3
#define CL_RGB 0x10B4
#define CL_RGBA 0x10B5
#define CL_BGRA 0x10B6
#define CL_ARGB 0x10B7
#define CL_INTENSITY 0x10B8
#define CL_LUMINANCE 0x10B9
#define CL_Rx 0x10BA
#define CL_RGx 0x10BB
#define CL_RGBx 0x10BC
#define CL_DEPTH 0x10BD
#define CL_DEPTH_STENCIL 0x10BE
/* cl_channel_type */
#define CL_SNORM_INT8 0x10D0
#define CL_SNORM_INT16 0x10D1
#define CL_UNORM_INT8 0x10D2
#define CL_UNORM_INT16 0x10D3
#define CL_UNORM_SHORT_565 0x10D4
#define CL_UNORM_SHORT_555 0x10D5
#define CL_UNORM_INT_101010 0x10D6
#define CL_SIGNED_INT8 0x10D7
#define CL_SIGNED_INT16 0x10D8
#define CL_SIGNED_INT32 0x10D9
#define CL_UNSIGNED_INT8 0x10DA
#define CL_UNSIGNED_INT16 0x10DB
#define CL_UNSIGNED_INT32 0x10DC
#define CL_HALF_FLOAT 0x10DD
#define CL_FLOAT 0x10DE
#define CL_UNORM_INT24 0x10DF
/* cl_addressing _mode */
#define CLK_ADDRESS_NONE 0x00
#define CLK_ADDRESS_MIRRORED_REPEAT 0x01
#define CLK_ADDRESS_REPEAT 0x02
#define CLK_ADDRESS_CLAMP_TO_EDGE 0x03
#define CLK_ADDRESS_CLAMP 0x04
/* cl_sampler_info */
#define CLK_NORMALIZED_COORDS_FALSE 0x00
#define CLK_NORMALIZED_COORDS_TRUE 0x08
/* filter_mode */
#define CLK_FILTER_NEAREST 0x00
#define CLK_FILTER_LINEAR 0x10
//#ifdef _CL_HAS_IMAGE_ACCESS
float4 _CL_OVERLOADABLE read_imagef (image2d_t image, sampler_t sampler,
int2 coord);
float4 _CL_OVERLOADABLE read_imagef (image2d_t image, sampler_t sampler,
float2 coord);
uint4 _CL_OVERLOADABLE read_imageui (image2d_t image, sampler_t sampler,
int2 coord);
uint4 _CL_OVERLOADABLE read_imageui (image2d_t image, sampler_t sampler,
int4 coord);
uint4 _CL_OVERLOADABLE read_imageui (image3d_t image, sampler_t sampler,
int4 coord);
int4 _CL_OVERLOADABLE read_imagei (image2d_t image, sampler_t sampler,
int2 coord);
void _CL_OVERLOADABLE write_imagei (image2d_t image, int2 coord, int4 color);
void _CL_OVERLOADABLE write_imageui (image2d_t image, int2 coord, uint4 color);
void _CL_OVERLOADABLE write_imagef (image2d_t image, int2 coord,
float4 color);
/* not implemented
void _CL_OVERLOADABLE write_imagef (image2d_array_t image, int4 coord,
float4 color);
void _CL_OVERLOADABLE write_imagei (image2d_array_t image, int4 coord,
int4 color);
void _CL_OVERLOADABLE write_imageui (image2d_array_t image, int4 coord,
uint4 color);
void _CL_OVERLOADABLE write_imagef (image1d_t image, int coord,
float4 color);
void _CL_OVERLOADABLE write_imagei (image1d_t image, int coord,
int4 color);
void _CL_OVERLOADABLE write_imageui (image1d_t image, int coord,
uint4 color);
void _CL_OVERLOADABLE write_imagef (image1d_buffer_t image, int coord,
float4 color);
void _CL_OVERLOADABLE write_imagei (image1d_buffer_t image, int coord,
int4 color);
void _CL_OVERLOADABLE write_imageui (image1d_buffer_t image, int coord,
uint4 color);
void _CL_OVERLOADABLE write_imagef (image1d_array_t image, int2 coord,
float4 color);
void _CL_OVERLOADABLE write_imagei (image1d_array_t image, int2 coord,
int4 color);
void _CL_OVERLOADABLE write_imageui (image1d_array_t image, int2 coord,
uint4 color);
void _CL_OVERLOADABLE write_imageui (image3d_t image, int4 coord,
uint4 color);
*/
int _CL_OVERLOADABLE get_image_width (image1d_t image);
int _CL_OVERLOADABLE get_image_width (image2d_t image);
int _CL_OVERLOADABLE get_image_width (image3d_t image);
int _CL_OVERLOADABLE get_image_height (image1d_t image);
int _CL_OVERLOADABLE get_image_height (image2d_t image);
int _CL_OVERLOADABLE get_image_height (image3d_t image);
int _CL_OVERLOADABLE get_image_depth (image1d_t image);
int _CL_OVERLOADABLE get_image_depth (image2d_t image);
int _CL_OVERLOADABLE get_image_depth (image3d_t image);
int2 _CL_OVERLOADABLE get_image_dim (image2d_t image);
int2 _CL_OVERLOADABLE get_image_dim (image2d_array_t image);
int4 _CL_OVERLOADABLE get_image_dim (image3d_t image);
#endif
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