From 7b3929dbeff5254a77dcd2c6be89324a11adf4c8 Mon Sep 17 00:00:00 2001
From: psychocrypt <psychocryptHPC@gmail.com>
Date: Mon, 19 Feb 2018 21:52:18 +0100
Subject: [PATCH] add Mesa OpenCL support
allow usage of Mesa OpenCl
---
xmrstak/backend/amd/amd_gpu/gpu.cpp | 24 ++++++++++++++++---
.../backend/amd/amd_gpu/opencl/cryptonight.cl | 5 ++++
2 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/xmrstak/backend/amd/amd_gpu/gpu.cpp b/xmrstak/backend/amd/amd_gpu/gpu.cpp
index 054ffc4..af20dce 100644
--- a/xmrstak/backend/amd/amd_gpu/gpu.cpp
+++ b/xmrstak/backend/amd/amd_gpu/gpu.cpp
@@ -549,6 +549,8 @@ int getAMDPlatformIdx()
clStatus = clGetPlatformIDs(numPlatforms, platforms, NULL);
int platformIndex = -1;
+ // Mesa OpenCL is the fallback if no AMD or Apple OpenCL is found
+ int mesaPlatform = -1;
if(clStatus == CL_SUCCESS)
{
@@ -559,13 +561,29 @@ int getAMDPlatformIdx()
clGetPlatformInfo(platforms[i], CL_PLATFORM_VENDOR, infoSize, platformNameVec.data(), NULL);
std::string platformName(platformNameVec.data());
- if( platformName.find("Advanced Micro Devices") != std::string::npos || platformName.find("Apple") != std::string::npos)
+ if( platformName.find("Advanced Micro Devices") != std::string::npos ||
+ platformName.find("Apple") != std::string::npos ||
+ platformName.find("Mesa") != std::string::npos
+ )
{
- platformIndex = i;
+
printer::inst()->print_msg(L0,"Found AMD platform index id = %i, name = %s",i , platformName.c_str());
- break;
+ if(platformName.find("Mesa") != std::string::npos)
+ mesaPlatform = i;
+ else
+ {
+ // exit if AMD or Apple platform is found
+ platformIndex = i;
+ break;
+ }
}
}
+ // fall back to Mesa OpenCL
+ if(platformIndex == -1 && mesaPlatform != -1)
+ {
+ printer::inst()->print_msg(L0,"No AMD platform found select Mesa as OpenCL platform");
+ platformIndex = mesaPlatform;
+ }
}
else
printer::inst()->print_msg(L1,"WARNING: %s when calling clGetPlatformIDs for platform information.", err_to_str(clStatus));
diff --git a/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl b/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl
index 53299ec..9ff5bf7 100644
--- a/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl
+++ b/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl
@@ -14,6 +14,11 @@ R"===(
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/* For Mesa clover support */
+#ifdef cl_clang_storage_class_specifiers
+# pragma OPENCL EXTENSION cl_clang_storage_class_specifiers : enable
+#endif
+
#ifdef cl_amd_media_ops
#pragma OPENCL EXTENSION cl_amd_media_ops : enable
#else
--
GitLab