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/*
* Copyright (c) 2011, Denis Steckelmacher <steckdenis@yahoo.fr>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file api_memory.cpp
* \brief Memory objects
*/
#include "CL/cl.h"
#include <core/memobject.h>
#include <core/context.h>
#include <cstring>
// Memory Object APIs
cl_mem
clCreateBuffer(cl_context context,
cl_mem_flags flags,
size_t size,
void * host_ptr,
cl_int * errcode_ret)
{
cl_int dummy_errcode;
if (!errcode_ret)
errcode_ret = &dummy_errcode;
if (!context->isA(Coal::Object::T_Context))
{
*errcode_ret = CL_INVALID_CONTEXT;
return 0;
}
*errcode_ret = CL_SUCCESS;
Coal::Buffer *buf = new Coal::Buffer(context, size, host_ptr, flags,
errcode_ret);
if (*errcode_ret != CL_SUCCESS || (*errcode_ret = buf->init()) != CL_SUCCESS)
{
delete buf;
return 0;
}
return (cl_mem)buf;
}
cl_mem
clCreateSubBuffer(cl_mem buffer,
cl_mem_flags flags,
cl_buffer_create_type buffer_create_type,
const void * buffer_create_info,
cl_int * errcode_ret)
{
cl_int dummy_errcode;
if (!errcode_ret)
errcode_ret = &dummy_errcode;
if (!buffer->isA(Coal::Object::T_MemObject))
{
*errcode_ret = CL_INVALID_MEM_OBJECT;
return 0;
}
Coal::MemObject *memobject = (Coal::MemObject *)buffer;
cl_buffer_region *region = (cl_buffer_region *)buffer_create_info;
// NOTE: Is it right ? Couldn't we create SubBuffers of images ?
if (memobject->type() != Coal::MemObject::Buffer)
{
*errcode_ret = CL_INVALID_MEM_OBJECT;
return 0;
}
if (buffer_create_type != CL_BUFFER_CREATE_TYPE_REGION)
{
*errcode_ret = CL_INVALID_VALUE;
return 0;
}
if (!buffer_create_info)
{
*errcode_ret = CL_INVALID_VALUE;
return 0;
}
*errcode_ret = CL_SUCCESS;
Coal::SubBuffer *buf = new Coal::SubBuffer((Coal::Buffer *)buffer,
region->origin, region->size,
flags, errcode_ret);
if (*errcode_ret != CL_SUCCESS || (*errcode_ret = buf->init()) != CL_SUCCESS)
{
delete buf;
return 0;
}
return (cl_mem)buf;
}
cl_mem
clCreateImage2D(cl_context context,
cl_mem_flags flags,
const cl_image_format * image_format,
size_t image_width,
size_t image_height,
size_t image_row_pitch,
void * host_ptr,
cl_int * errcode_ret)
{
cl_int dummy_errcode;
if (!errcode_ret)
errcode_ret = &dummy_errcode;
if (!context->isA(Coal::Object::T_Context))
{
*errcode_ret = CL_INVALID_CONTEXT;
return 0;
}
*errcode_ret = CL_SUCCESS;
Coal::Image2D *image = new Coal::Image2D(context, image_width, image_height,
image_row_pitch, image_format,
host_ptr, flags, errcode_ret);
if (*errcode_ret != CL_SUCCESS || (*errcode_ret = image->init()) != CL_SUCCESS)
{
delete image;
return 0;
}
return (cl_mem)image;
}
cl_mem
clCreateImage3D(cl_context context,
cl_mem_flags flags,
const cl_image_format * image_format,
size_t image_width,
size_t image_height,
size_t image_depth,
size_t image_row_pitch,
size_t image_slice_pitch,
void * host_ptr,
cl_int * errcode_ret)
{
cl_int dummy_errcode;
if (!errcode_ret)
errcode_ret = &dummy_errcode;
if (!context->isA(Coal::Object::T_Context))
{
*errcode_ret = CL_INVALID_CONTEXT;
return 0;
}
*errcode_ret = CL_SUCCESS;
Coal::Image3D *image = new Coal::Image3D(context, image_width, image_height,
image_depth, image_row_pitch,
image_slice_pitch, image_format,
host_ptr, flags, errcode_ret);
if (*errcode_ret != CL_SUCCESS || (*errcode_ret = image->init()) != CL_SUCCESS)
{
delete image;
return 0;
}
return (cl_mem)image;
}
cl_int
clRetainMemObject(cl_mem memobj)
{
if (!memobj->isA(Coal::Object::T_MemObject))
return CL_INVALID_MEM_OBJECT;
memobj->reference();
return CL_SUCCESS;
}
cl_int
clReleaseMemObject(cl_mem memobj)
{
if (!memobj->isA(Coal::Object::T_MemObject))
return CL_INVALID_MEM_OBJECT;
if (memobj->dereference())
delete memobj;
return CL_SUCCESS;
}
static cl_image_format supported_formats[] = {
{ CL_RGBA, CL_UNORM_INT8 },
{ CL_RGBA, CL_UNORM_INT16 },
{ CL_RGBA, CL_SNORM_INT8 },
{ CL_RGBA, CL_SNORM_INT16 },
{ CL_RGBA, CL_SIGNED_INT8 },
{ CL_RGBA, CL_SIGNED_INT16 },
{ CL_RGBA, CL_SIGNED_INT32 },
{ CL_RGBA, CL_UNSIGNED_INT8 },
{ CL_RGBA, CL_UNSIGNED_INT16 },
{ CL_RGBA, CL_UNSIGNED_INT32 },
{ CL_RGBA, CL_FLOAT },
{ CL_ARGB, CL_UNORM_INT8 },
{ CL_ARGB, CL_SNORM_INT8 },
{ CL_ARGB, CL_SIGNED_INT8 },
{ CL_ARGB, CL_UNSIGNED_INT8 },
{ CL_BGRA, CL_UNORM_INT8 },
{ CL_BGRA, CL_SNORM_INT8 },
{ CL_BGRA, CL_SIGNED_INT8 },
{ CL_BGRA, CL_UNSIGNED_INT8 },
{ CL_RGB, CL_UNORM_SHORT_565 },
{ CL_RGB, CL_UNORM_SHORT_555 },
{ CL_RGB, CL_UNORM_INT_101010 },
{ CL_RGBx, CL_UNORM_SHORT_565 },
{ CL_RGBx, CL_UNORM_SHORT_555 },
{ CL_RGBx, CL_UNORM_INT_101010 },
{ CL_RG, CL_UNORM_INT8 },
{ CL_RG, CL_UNORM_INT16 },
{ CL_RG, CL_SNORM_INT8 },
{ CL_RG, CL_SNORM_INT16 },
{ CL_RG, CL_SIGNED_INT8 },
{ CL_RG, CL_SIGNED_INT16 },
{ CL_RG, CL_SIGNED_INT32 },
{ CL_RG, CL_UNSIGNED_INT8 },
{ CL_RG, CL_UNSIGNED_INT16 },
{ CL_RG, CL_UNSIGNED_INT32 },
{ CL_RG, CL_FLOAT },
{ CL_RGx, CL_UNORM_INT8 },
{ CL_RGx, CL_UNORM_INT16 },
{ CL_RGx, CL_SNORM_INT8 },
{ CL_RGx, CL_SNORM_INT16 },
{ CL_RGx, CL_SIGNED_INT8 },
{ CL_RGx, CL_SIGNED_INT16 },
{ CL_RGx, CL_SIGNED_INT32 },
{ CL_RGx, CL_UNSIGNED_INT8 },
{ CL_RGx, CL_UNSIGNED_INT16 },
{ CL_RGx, CL_UNSIGNED_INT32 },
{ CL_RGx, CL_FLOAT },
{ CL_RA, CL_UNORM_INT8 },
{ CL_RA, CL_UNORM_INT16 },
{ CL_RA, CL_SNORM_INT8 },
{ CL_RA, CL_SNORM_INT16 },
{ CL_RA, CL_SIGNED_INT8 },
{ CL_RA, CL_SIGNED_INT16 },
{ CL_RA, CL_SIGNED_INT32 },
{ CL_RA, CL_UNSIGNED_INT8 },
{ CL_RA, CL_UNSIGNED_INT16 },
{ CL_RA, CL_UNSIGNED_INT32 },
{ CL_RA, CL_FLOAT },
{ CL_R, CL_UNORM_INT8 },
{ CL_R, CL_UNORM_INT16 },
{ CL_R, CL_SNORM_INT8 },
{ CL_R, CL_SNORM_INT16 },
{ CL_R, CL_SIGNED_INT8 },
{ CL_R, CL_SIGNED_INT16 },
{ CL_R, CL_SIGNED_INT32 },
{ CL_R, CL_UNSIGNED_INT8 },
{ CL_R, CL_UNSIGNED_INT16 },
{ CL_R, CL_UNSIGNED_INT32 },
{ CL_R, CL_FLOAT },
{ CL_Rx, CL_UNORM_INT8 },
{ CL_Rx, CL_UNORM_INT16 },
{ CL_Rx, CL_SNORM_INT8 },
{ CL_Rx, CL_SNORM_INT16 },
{ CL_Rx, CL_SIGNED_INT8 },
{ CL_Rx, CL_SIGNED_INT16 },
{ CL_Rx, CL_SIGNED_INT32 },
{ CL_Rx, CL_UNSIGNED_INT8 },
{ CL_Rx, CL_UNSIGNED_INT16 },
{ CL_Rx, CL_UNSIGNED_INT32 },
{ CL_Rx, CL_FLOAT },
{ CL_A, CL_UNORM_INT8 },
{ CL_A, CL_UNORM_INT16 },
{ CL_A, CL_SNORM_INT8 },
{ CL_A, CL_SNORM_INT16 },
{ CL_A, CL_SIGNED_INT8 },
{ CL_A, CL_SIGNED_INT16 },
{ CL_A, CL_SIGNED_INT32 },
{ CL_A, CL_UNSIGNED_INT8 },
{ CL_A, CL_UNSIGNED_INT16 },
{ CL_A, CL_UNSIGNED_INT32 },
{ CL_A, CL_FLOAT },
{ CL_LUMINANCE, CL_UNORM_INT8 },
{ CL_LUMINANCE, CL_UNORM_INT16 },
{ CL_LUMINANCE, CL_SNORM_INT8 },
{ CL_LUMINANCE, CL_SNORM_INT16 },
{ CL_LUMINANCE, CL_FLOAT },
{ CL_INTENSITY, CL_UNORM_INT8 },
{ CL_INTENSITY, CL_UNORM_INT16 },
{ CL_INTENSITY, CL_SNORM_INT8 },
{ CL_INTENSITY, CL_SNORM_INT16 },
{ CL_INTENSITY, CL_FLOAT }
};
#define MIN(a, b) ((a) < (b) ? (a) : (b))
cl_int
clGetSupportedImageFormats(cl_context context,
cl_mem_flags flags,
cl_mem_object_type image_type,
cl_uint num_entries,
cl_image_format * image_formats,
cl_uint * num_image_formats)
{
if (!context->isA(Coal::Object::T_Context))
return CL_INVALID_CONTEXT;
(void) flags;
(void) image_type;
if (!num_entries && image_formats)
return CL_INVALID_VALUE;
if (image_formats)
{
std::memcpy(image_formats, supported_formats,
MIN(num_entries * sizeof(cl_image_format),
sizeof(supported_formats)));
}
if (num_image_formats)
*num_image_formats = sizeof(supported_formats) / sizeof(cl_image_format);
return CL_SUCCESS;
}
cl_int
clGetMemObjectInfo(cl_mem memobj,
cl_mem_info param_name,
size_t param_value_size,
void * param_value,
size_t * param_value_size_ret)
{
if (!memobj->isA(Coal::Object::T_MemObject))
return CL_INVALID_MEM_OBJECT;
return memobj->info(param_name, param_value_size, param_value,
param_value_size_ret);
}
cl_int
clGetImageInfo(cl_mem image,
cl_image_info param_name,
size_t param_value_size,
void * param_value,
size_t * param_value_size_ret)
{
if (!image->isA(Coal::Object::T_MemObject) ||
(image->type() != Coal::MemObject::Image2D &&
image->type() != Coal::MemObject::Image3D))
return CL_INVALID_MEM_OBJECT;
Coal::Image2D *image2d = (Coal::Image2D *)image;
return image2d->imageInfo(param_name, param_value_size, param_value,
param_value_size_ret);
}
cl_int
clSetMemObjectDestructorCallback(cl_mem memobj,
void (CL_CALLBACK *pfn_notify)(cl_mem memobj,
void *user_data),
void * user_data)
{
if (!memobj->isA(Coal::Object::T_MemObject))
return CL_INVALID_MEM_OBJECT;
memobj->setDestructorCallback(pfn_notify, user_data);
return CL_SUCCESS;
}
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