clc,libagx: automatically set lang version

bit less meson cargocult.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33242>

src/asahi/libagx/meson.build

@@ -22,7 +22,6 @@ libagx_spv = custom_target(
   command : [
     prog_mesa_clc, '-o', '@OUTPUT@', '--depfile', '@DEPFILE@',
     libagx_shader_files, '--',
-    '-cl-std=cl2.0', '-D__OPENCL_VERSION__=200',
     '-I' + join_paths(meson.current_source_dir(), '.'),
     '-I' + join_paths(meson.current_source_dir(), '../../'),
     '-I' + join_paths(meson.current_source_dir(), 'shaders'),

src/compiler/clc/mesa_clc.c

@@ -107,6 +107,12 @@ main(int argc, char **argv)
       util_dynarray_append(option ? &clang_args : &input_files, char *, arg);
    }
 
+   /* Set the OpenCL standard to CL 2.0, this enables everything at a frontend
+    * level. See comment below about driver support.
+    */
+   util_dynarray_append(&clang_args, char *, "-cl-std=cl2.0");
+   util_dynarray_append(&clang_args, char *, "-D__OPENCL_VERSION__=200");
+
    if (util_dynarray_num_elements(&input_files, char *) == 0) {
       fprintf(stderr, "No input file(s).\n");
       print_usage(argv[0], stderr);

src/intel/shaders/meson.build

@@ -43,7 +43,6 @@ foreach gen : intel_shaders_gens
     command : [
       prog_mesa_clc,
       intel_shader_files, '-o', '@OUTPUT@', '--',
-      '-cl-std=cl2.0', '-D__OPENCL_VERSION__=200',
       '-DNDEBUG=1',
       '-DGFX_VERx10=@0@'.format(gen[0]),
       '-I' + join_paths(meson.current_source_dir(), '.'),