From 2742ef094c6492b881b9fe0dc563e939e0d7d1d9 Mon Sep 17 00:00:00 2001
From: psychocrypt <psychocryptHPC@gmail.com>
Date: Mon, 17 Sep 2018 08:44:05 +0200
Subject: [PATCH] avoid OpenCL binary missmatch
Avoid that a OpenCL binary from the cache is used if the driver or xmr-stak version has changed.
---
xmrstak/backend/amd/amd_gpu/gpu.cpp | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/xmrstak/backend/amd/amd_gpu/gpu.cpp b/xmrstak/backend/amd/amd_gpu/gpu.cpp
index 87721ac..dedc326 100644
--- a/xmrstak/backend/amd/amd_gpu/gpu.cpp
+++ b/xmrstak/backend/amd/amd_gpu/gpu.cpp
@@ -17,6 +17,7 @@
#include "xmrstak/jconf.hpp"
#include "xmrstak/picosha2/picosha2.hpp"
#include "xmrstak/params.hpp"
+#include "xmrstak/version.hpp"
#include <stdio.h>
#include <string.h>
@@ -375,6 +376,13 @@ size_t InitOpenCLGpu(cl_context opencl_ctx, GpuContext* ctx, const char* source_
return ERR_OCL_API;
}
+ std::vector<char> openCLDriverVer(1024);
+ if(ret = clGetDeviceInfo(ctx->DeviceID, CL_DRIVER_VERSION, openCLDriverVer.size(), openCLDriverVer.data(), NULL) != CL_SUCCESS)
+ {
+ printer::inst()->print_msg(L1,"WARNING: %s when calling clGetDeviceInfo to get CL_DRIVER_VERSION for device %u.", err_to_str(ret),ctx->deviceIdx );
+ return ERR_OCL_API;
+ }
+
xmrstak_algo miner_algo[2] = {
::jconf::inst()->GetCurrentCoinSelection().GetDescription(1).GetMiningAlgo(),
::jconf::inst()->GetCurrentCoinSelection().GetDescription(1).GetMiningAlgoRoot()
@@ -402,6 +410,9 @@ size_t InitOpenCLGpu(cl_context opencl_ctx, GpuContext* ctx, const char* source_
std::string src_str(source_code);
src_str += options;
src_str += devNameVec.data();
+ src_str += get_version_str();
+ src_str += openCLDriverVer.data();
+
std::string hash_hex_str;
picosha2::hash256_hex_string(src_str, hash_hex_str);
--
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