Expose unified shared memory extension.

-Available only when device already supports OpenCL 2.0

Related-To: NEO-3148
Change-Id: Ie2bce908c5e49666d5a18c4b0eb21ff39a3e5a68
Signed-off-by: Mrozek, Michal <michal.mrozek@intel.com>

Author: MichalMrozek

runtime/device/device_caps.cpp

@@ -135,7 +135,7 @@ void Device::initializeCaps() {
     }
 
     if (enabledClVersion >= 20) {
-        deviceExtensions += "cl_khr_mipmap_image cl_khr_mipmap_image_writes ";
+        deviceExtensions += "cl_khr_mipmap_image cl_khr_mipmap_image_writes cl_intel_unified_shared_memory ";
     }
 
     if (DebugManager.flags.EnableNV12.get()) {

unit_tests/device/device_caps_tests.cpp

@@ -625,7 +625,7 @@ TEST(Device_GetCaps, deviceReportsThrottleHintsExtension) {
     EXPECT_THAT(caps.deviceExtensions, testing::HasSubstr(std::string("cl_khr_throttle_hints")));
 }
 
-TEST(Device_GetCaps, givenAtleastOCL2DeviceThenExposesMipmapImageExtensions) {
+TEST(Device_GetCaps, givenAtleastOCL2DeviceThenExposesMipMapAndUnifiedMemoryExtensions) {
     DebugManagerStateRestore dbgRestorer;
     DebugManager.flags.ForceOCLVersion.set(20);
 
@@ -634,9 +634,10 @@ TEST(Device_GetCaps, givenAtleastOCL2DeviceThenExposesMipmapImageExtensions) {
 
     EXPECT_THAT(caps.deviceExtensions, testing::HasSubstr(std::string("cl_khr_mipmap_image")));
     EXPECT_THAT(caps.deviceExtensions, testing::HasSubstr(std::string("cl_khr_mipmap_image_writes")));
+    EXPECT_THAT(caps.deviceExtensions, testing::HasSubstr(std::string("cl_intel_unified_shared_memory")));
 }
 
-TEST(Device_GetCaps, givenOCL12DeviceThenDoesNotExposeMipmapImageExtensions) {
+TEST(Device_GetCaps, givenOCL12DeviceThenDoesNotExposesMipMapAndUnifiedMemoryExtensions) {
     DebugManagerStateRestore dbgRestorer;
     DebugManager.flags.ForceOCLVersion.set(12);
 
@@ -645,6 +646,7 @@ TEST(Device_GetCaps, givenOCL12DeviceThenDoesNotExposeMipmapImageExtensions) {
 
     EXPECT_THAT(caps.deviceExtensions, testing::Not(testing::HasSubstr(std::string("cl_khr_mipmap_image"))));
     EXPECT_THAT(caps.deviceExtensions, testing::Not(testing::HasSubstr(std::string("cl_khr_mipmap_image_writes"))));
+    EXPECT_THAT(caps.deviceExtensions, testing::Not(testing::HasSubstr(std::string("cl_intel_unified_shared_memory"))));
 }
 
 TEST(Device_GetCaps, givenDeviceThatDoesntHaveFp64ThenExtensionIsNotReported) {