Maneesh Gupta
88 líneas
3.0 KiB
C++
88 líneas
3.0 KiB
C++
/*
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Copyright (c) 2018 - present Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <map>
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#include <string.h>
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#include "hip/hip_runtime.h"
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#include "hip_hcc_internal.h"
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#include "trace_helper.h"
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#include "hip_surface.h"
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static std::map<hipSurfaceObject_t, hipSurface*> surfaceHash;
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void saveSurfaceInfo(const hipSurface* pSurface, const hipResourceDesc* pResDesc) {
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if (pResDesc != nullptr) {
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memcpy((void*)&(pSurface->resDesc), (void*)pResDesc, sizeof(hipResourceDesc));
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}
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}
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// Surface Object APIs
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hipError_t hipCreateSurfaceObject(hipSurfaceObject_t* pSurfObject,
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const hipResourceDesc* pResDesc) {
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HIP_INIT_API(pSurfObject, pResDesc);
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hipError_t hip_status = hipSuccess;
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auto ctx = ihipGetTlsDefaultCtx();
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if (ctx) {
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hipSurface* pSurface = (hipSurface*)malloc(sizeof(hipSurface));
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if (pSurface != nullptr) {
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memset(pSurface, 0, sizeof(hipSurface));
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saveSurfaceInfo(pSurface, pResDesc);
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}
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switch (pResDesc->resType) {
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case hipResourceTypeArray:
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pSurface->array = pResDesc->res.array.array;
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break;
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default:
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break;
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}
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unsigned int* surfObj;
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hipMalloc((void**)&surfObj, sizeof(hipArray));
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hipMemcpy(surfObj, (void*)pResDesc->res.array.array, sizeof(hipArray),
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hipMemcpyHostToDevice);
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*pSurfObject = (hipSurfaceObject_t)surfObj;
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surfaceHash[*pSurfObject] = pSurface;
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}
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return ihipLogStatus(hip_status);
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}
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hipError_t hipDestroySurfaceObject(hipSurfaceObject_t surfaceObject) {
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HIP_INIT_API(surfaceObject);
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hipError_t hip_status = hipSuccess;
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auto ctx = ihipGetTlsDefaultCtx();
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if (ctx) {
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hipSurface* pSurface = surfaceHash[surfaceObject];
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if (pSurface != nullptr) {
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free(pSurface);
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surfaceHash.erase(surfaceObject);
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}
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}
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return ihipLogStatus(hip_status);
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}
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