Do not register OpenCL platform if no implementations are available

7439189b · peastman · 138de127 · 7439189b
Commit 7439189b authored Oct 23, 2019 by peastman
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platforms/opencl/src/OpenCLPlatform.cpp platforms/opencl/src/OpenCLPlatform.cpp +6 -0

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--- a/platforms/opencl/src/OpenCLPlatform.cpp
+++ b/platforms/opencl/src/OpenCLPlatform.cpp
@@ -141,6 +141,12 @@ bool OpenCLPlatform::isPlatformSupported() {
        return false;
 #endif

+    // Make sure at least one OpenCL implementation is installed.
+
+    std::vector<cl::Platform> platforms;
+    cl::Platform::get(&platforms);
+    if (platforms.size() == 0)
+        return false;
    return true;
 }