rusticl/program: pass options by reference

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33892>

src/gallium/frontends/rusticl/api/program.rs

@@ -337,8 +337,9 @@ fn build_program(
 
     // CL_BUILD_PROGRAM_FAILURE if there is a failure to build the program executable. This error
     // will be returned if clBuildProgram does not return until the build has completed.
+    let options = c_string_to_string(options);
     for dev in &devs {
-        res &= p.build(dev, c_string_to_string(options));
+        res &= p.build(dev, &options);
     }
 
     if let Some(cb) = cb_opt {
@@ -419,8 +420,9 @@ fn compile_program(
 
     // CL_COMPILE_PROGRAM_FAILURE if there is a failure to compile the program source. This error
     // will be returned if clCompileProgram does not return until the compile has completed.
+    let options = c_string_to_string(options);
     for dev in &devs {
-        res &= p.compile(dev, c_string_to_string(options), &headers);
+        res &= p.compile(dev, &options, &headers);
     }
 
     if let Some(cb) = cb_opt {

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

@@ -552,7 +552,7 @@ impl Program {
             .any(|b| b.kernels.values().any(|b| Arc::strong_count(b) > 1))
     }
 
-    pub fn build(&self, dev: &Device, options: String) -> bool {
+    pub fn build(&self, dev: &Device, options: &str) -> bool {
         let lib = options.contains("-create-library");
         let mut info = self.build_info();
         if !self.do_compile(dev, options, &Vec::new(), &mut info) {
@@ -596,7 +596,7 @@ impl Program {
     fn do_compile(
         &self,
         dev: &Device,
-        options: String,
+        options: &str,
         headers: &[spirv::CLCHeader],
         info: &mut MutexGuard<ProgramBuild>,
     ) -> bool {
@@ -612,7 +612,7 @@ impl Program {
                 }
             }
             ProgramSourceType::Src(src) => {
-                let args = prepare_options(&options, dev);
+                let args = prepare_options(options, dev);
 
                 if Platform::dbg().clc {
                     let src = src.to_string_lossy();
@@ -653,7 +653,7 @@ impl Program {
 
         d.spirv = spirv;
         d.log = log;
-        d.options = options;
+        options.clone_into(&mut d.options);
 
         if d.spirv.is_some() {
             d.status = CL_BUILD_SUCCESS as cl_build_status;
@@ -665,7 +665,7 @@ impl Program {
         }
     }
 
-    pub fn compile(&self, dev: &Device, options: String, headers: &[spirv::CLCHeader]) -> bool {
+    pub fn compile(&self, dev: &Device, options: &str, headers: &[spirv::CLCHeader]) -> bool {
         self.do_compile(dev, options, headers, &mut self.build_info())
     }