clover: add CL_PLATFORM_NUMERIC_VERSION support

This is part of CL 3.0

Reviewed-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7520>

src/gallium/frontends/clover/api/platform.cpp

@@ -81,6 +81,11 @@ clover::GetPlatformInfo(cl_platform_id d_platform, cl_platform_info param,
       buf.as_string() = "MESA";
       break;
 
+   case CL_PLATFORM_NUMERIC_VERSION: {
+      buf.as_scalar<cl_version>() = platform.platform_version();
+      break;
+   }
+
    default:
       throw error(CL_INVALID_VALUE);
    }

src/gallium/frontends/clover/core/platform.cpp

@@ -57,3 +57,8 @@ platform::platform_version_as_string() const {
       std::to_string(CL_VERSION_MINOR(version));
    return version_string;
 }
+
+cl_version
+platform::platform_version() const {
+   return version;
+}

src/gallium/frontends/clover/core/platform.hpp

@@ -43,6 +43,8 @@ namespace clover {
       std::string supported_extensions_as_string() const;
 
       std::string platform_version_as_string() const;
+      cl_version platform_version() const;
+
    protected:
       cl_version version;
       std::vector<intrusive_ref<device>> devs;