clc: add support for cl_khr_subgroup_shuffle and shuffle_relative

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26504>

src/compiler/clc/clc.h

@@ -64,6 +64,8 @@ struct clc_optional_features {
     * progress
     */
    bool subgroups_ifp;
+   bool subgroups_shuffle;
+   bool subgroups_shuffle_relative;
 };
 
 struct clc_compile_args {

src/compiler/clc/clc_helpers.cpp

@@ -812,6 +812,14 @@ clc_compile_to_llvm_module(LLVMContext &llvm_ctx,
       clang_opts.push_back("-D__opencl_c_integer_dot_product_input_4x8bit_packed=1");
       clang_opts.push_back("-D__opencl_c_integer_dot_product_input_4x8bit=1");
    }
+   if (args->features.subgroups) {
+      if (args->features.subgroups_shuffle) {
+         clang_opts.push_back("-Dcl_khr_subgroup_shuffle=1");
+      }
+      if (args->features.subgroups_shuffle_relative) {
+         clang_opts.push_back("-Dcl_khr_subgroup_shuffle_relative=1");
+      }
+   }
 
    // We assume there's appropriate defines for __OPENCL_VERSION__ and __IMAGE_SUPPORT__
    // being provided by the caller here.

src/gallium/frontends/rusticl/core/device.rs

@@ -1029,9 +1029,8 @@ impl Device {
             images_read_write: self.image_read_write_supported(),
             images_write_3d: self.image_3d_write_supported(),
             integer_dot_product: true,
-            intel_subgroups: false,
             subgroups: self.subgroups_supported(),
-            subgroups_ifp: false,
+            ..Default::default()
         }
     }
 }