SWDEV-493913 - Replaced calls to clGetExtensionFunctionAddress in ocltst

Replaced clGetExtensionFunctionAddress calls with
clGetExtensionFunctionAddressForPlatform to ensure
interoperability with distribution ICD loaders.

Change-Id: I560a62459f2ad222750e65e869b98d6b6ec56665

opencl/tests/ocltst/env/ocltst.cpp

@@ -109,7 +109,6 @@ class App {
         m_window(0),
         m_platform(platform) {
     // initialize OCLWrapper reference
-    m_wrapper = new OCLWrapper();
 
     // m_workers = Set of worker objects that are used to run a subtest from a
     // module
@@ -120,7 +119,8 @@ class App {
      * Force caltst to use 1 thread at a time in Windows
      * only contextual calls are thread safe currently
      */
-    m_numDevices = findAdapters(m_platform, m_useCPU, NULL);
+    m_numDevices = findAdapters(m_platform, m_useCPU, &mpform_id);
+    m_wrapper = new OCLWrapper(mpform_id);
     // m_numDevices = 1;
 
     // Report structure used to store the results of the tests

opencl/tests/ocltst/include/OCLWrapper.h

@@ -103,7 +103,7 @@ typedef CL_API_ENTRY cl_int(CL_API_CALL *clSetDeviceClockModeAMD_fn)(
 
 class OCLWrapper {
  public:
-  OCLWrapper();
+  OCLWrapper(cl_platform_id);
 
   ~OCLWrapper() {}
 

opencl/tests/ocltst/module/common/OCLWrapper.cpp

@@ -20,7 +20,7 @@
 
 #include "OCLWrapper.h"
 
-OCLWrapper::OCLWrapper() {
+OCLWrapper::OCLWrapper(cl_platform_id platform) {
   clEnqueueWaitSignalAMD_ptr =
       (clEnqueueWaitSignalAMD_fn)clGetExtensionFunctionAddress(
           "clEnqueueWaitSignalAMD");
@@ -40,27 +40,29 @@ OCLWrapper::OCLWrapper() {
       (clGetGLContextInfoKHR_fn)clGetExtensionFunctionAddress(
           "clGetGLContextInfoKHR");
   clCreateFromGLBuffer_ptr =
-      (clCreateFromGLBuffer_fn)clGetExtensionFunctionAddress(
-          "clCreateFromGLBuffer");
+      (clCreateFromGLBuffer_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clCreateFromGLBuffer");
   clCreateFromGLTexture_ptr =
-      (clCreateFromGLTexture_fn)clGetExtensionFunctionAddress(
-          "clCreateFromGLTexture");
+      (clCreateFromGLTexture_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clCreateFromGLTexture");
   clCreateFromGLTexture2D_ptr =
-      (clCreateFromGLTexture2D_fn)clGetExtensionFunctionAddress(
-          "clCreateFromGLTexture2D");
+      (clCreateFromGLTexture2D_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clCreateFromGLTexture2D");
   clCreateFromGLRenderbuffer_ptr =
-      (clCreateFromGLRenderbuffer_fn)clGetExtensionFunctionAddress(
-          "clCreateFromGLRenderbuffer");
+      (clCreateFromGLRenderbuffer_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clCreateFromGLRenderbuffer");
   clGetGLObjectInfo_ptr =
-      (clGetGLObjectInfo_fn)clGetExtensionFunctionAddress("clGetGLObjectInfo");
-  clGetGLTextureInfo_ptr = (clGetGLTextureInfo_fn)clGetExtensionFunctionAddress(
-      "clGetGLTextureInfo");
+      (clGetGLObjectInfo_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clGetGLObjectInfo");
+  clGetGLTextureInfo_ptr =
+      (clGetGLTextureInfo_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clGetGLTextureInfo");
   clEnqueueAcquireGLObjects_ptr =
-      (clEnqueueAcquireGLObjects_fn)clGetExtensionFunctionAddress(
-          "clEnqueueAcquireGLObjects");
+      (clEnqueueAcquireGLObjects_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clEnqueueAcquireGLObjects");
   clEnqueueReleaseGLObjects_ptr =
-      (clEnqueueReleaseGLObjects_fn)clGetExtensionFunctionAddress(
-          "clEnqueueReleaseGLObjects");
+      (clEnqueueReleaseGLObjects_fn)clGetExtensionFunctionAddressForPlatform(
+          platform, "clEnqueueReleaseGLObjects");
 
   // Performance counter function pointers
   clCreatePerfCounterAMD_ptr =