COMPMID-1887: Fixed segfault in validation tests.
Added the option to initialise the CLScheduler with an external
cl::Context. This allows more control over the order of destruction
of the static members which caused the suite to segfault.
Change-Id: I0a90f12cc39daf1fd5ab842a5584986785694b35
Reviewed-on: https://review.mlplatform.org/550
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giuseppe Rossini <giuseppe.rossini@arm.com>
diff --git a/src/runtime/CL/CLHelpers.cpp b/src/runtime/CL/CLHelpers.cpp
new file mode 100644
index 0000000..449d7d5
--- /dev/null
+++ b/src/runtime/CL/CLHelpers.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2019 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "arm_compute/runtime/CL/CLHelpers.h"
+
+#include "arm_compute/core/CL/CLHelpers.h"
+#include "arm_compute/core/Error.h"
+
+namespace
+{
+#if defined(ARM_COMPUTE_ASSERTS_ENABLED)
+void printf_callback(const char *buffer, unsigned int len, size_t complete, void *user_data)
+{
+ printf("%.*s", len, buffer);
+}
+#endif /* defined(ARM_COMPUTE_ASSERTS_ENABLED) */
+
+/** This initialises the properties vector with the configuration to be used when creating the opencl context
+ *
+ * @param[in] platform The opencl platform used to create the context
+ * @param[in] device The opencl device to be used to create the context
+ * @param[in] prop An array of properties to be initialised
+ *
+ * @note In debug builds, this function will enable cl_arm_printf if it's supported.
+ *
+ * @return A pointer to the context properties which can be used to create an opencl context
+ */
+
+void initialise_context_properties(const cl::Platform &platform, const cl::Device &device, cl_context_properties prop[7])
+{
+ ARM_COMPUTE_UNUSED(device);
+#if defined(ARM_COMPUTE_ASSERTS_ENABLED)
+ // Query devices in the context for cl_arm_printf support
+ if(arm_compute::device_supports_extension(device, "cl_arm_printf"))
+ {
+ // Create a cl_context with a printf_callback and user specified buffer size.
+ cl_context_properties properties_printf[] =
+ {
+ CL_CONTEXT_PLATFORM, reinterpret_cast<cl_context_properties>(platform()),
+ // Enable a printf callback function for this context.
+ CL_PRINTF_CALLBACK_ARM, reinterpret_cast<cl_context_properties>(printf_callback),
+ // Request a minimum printf buffer size of 4MB for devices in the
+ // context that support this extension.
+ CL_PRINTF_BUFFERSIZE_ARM, 0x1000,
+ 0
+ };
+ std::copy_n(prop, 7, properties_printf);
+ }
+ else
+#endif // defined(ARM_COMPUTE_ASSERTS_ENABLED)
+ {
+ cl_context_properties properties[] =
+ {
+ CL_CONTEXT_PLATFORM, reinterpret_cast<cl_context_properties>(platform()),
+ 0
+ };
+ std::copy_n(prop, 3, properties);
+ };
+}
+} //namespace
+
+namespace arm_compute
+{
+std::tuple<cl::Context, cl::Device, cl_int>
+create_opencl_context_and_device()
+{
+ ARM_COMPUTE_ERROR_ON(!opencl_is_available());
+ std::vector<cl::Platform> platforms;
+ cl::Platform::get(&platforms);
+ ARM_COMPUTE_ERROR_ON_MSG(platforms.size() == 0, "Couldn't find any OpenCL platform");
+ cl::Platform p = platforms[0];
+ cl::Device device;
+ std::vector<cl::Device> platform_devices;
+ p.getDevices(CL_DEVICE_TYPE_DEFAULT, &platform_devices);
+ ARM_COMPUTE_ERROR_ON_MSG(platform_devices.size() == 0, "Couldn't find any OpenCL device");
+ device = platform_devices[0];
+ cl_int err = CL_SUCCESS;
+ cl_context_properties properties[7] = { 0, 0, 0, 0, 0, 0, 0 };
+ initialise_context_properties(p, device, properties);
+ cl::Context cl_context = cl::Context(device, properties, nullptr, nullptr, &err);
+ ARM_COMPUTE_ERROR_ON_MSG(err != CL_SUCCESS, "Failed to create OpenCL context");
+ return std::make_tuple(cl_context, device, err);
+}
+} // namespace arm_compute