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/* ************************************************************************
* Copyright 2013 Advanced Micro Devices, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ************************************************************************/
#include <gtest/gtest.h>
#include <math.h>
#include <clBLAS.h>
#include <common.h>
#include <BlasBase.h>
namespace clMath {
static size_t
imageMaxDimension(cl_context context, int widthHeight)
{
cl_int err;
cl_device_id devices[2];
size_t i, retSize;
size_t rc = (size_t)-1;
cl_device_info par;
par = (widthHeight) ? CL_DEVICE_IMAGE2D_MAX_HEIGHT :
CL_DEVICE_IMAGE2D_MAX_WIDTH;
err = clGetContextInfo(context, CL_CONTEXT_DEVICES,
sizeof(devices), devices, &retSize);
if (err == CL_SUCCESS) {
size_t s;
retSize /= sizeof(cl_device_id);
for (i = 0; (i < retSize) && (err == CL_SUCCESS); i++) {
err = clGetDeviceInfo(devices[i], par, sizeof(s), &s, NULL);
if (err == CL_SUCCESS) {
rc = std::min(rc, s);
}
}
}
if (err != CL_SUCCESS) {
rc = 0;
}
return rc;
}
static size_t
imageMaxWidth(cl_context context)
{
return imageMaxDimension(context, 0);
}
static size_t
imageMaxHeight(cl_context context)
{
return imageMaxDimension(context, 1);
}
clblasStatus
BlasBase::addScratchImages(void)
{
//cl_ulong memSize, allocSize;
//size_t width, height;
//clblasStatus status;
//float scale;
///*
// * get maximum amount of memory each image can takes, not
// * forgetting that it can be up to three matrices residing
// * in memory objects
// */
//allocSize = maxMemAllocSize();
//memSize = availGlobalMemSize(0);
//if (allocSize > memSize / 5) {
// allocSize = memSize / 5;
// scale = 1.4f;
//}
//else {
// scale = 1.5f;
//}
//height = static_cast<size_t>(sqrt(static_cast<double>(allocSize) / sizeof(cl_float)));
//width = height / 4;
//height = static_cast<size_t>(height / scale);
//width = static_cast<size_t>(width * scale);
//if (height > imageMaxHeight(context_)) {
// height = imageMaxHeight(context_);
//}
//if (width > imageMaxWidth(context_)) {
// width = imageMaxWidth(context_);
//}
//imageA_ = clblasAddScratchImage(context_, width, height, &status);
//if (imageA_) {
// imageB_ = clblasAddScratchImage(context_, width, height, &status);
//}
//return status;
return clblasNotImplemented;
}
} // namespace
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