From 64eba87a676ddb294f0b3eafc4325ea55343603e Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Sun, 10 May 2026 15:45:13 +0200
Subject: [PATCH] rusticl: more intel compat stuff

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41475>
---
 src/gallium/frontends/rusticl/api/memory.rs   | 12 ++++++++++++
 src/gallium/frontends/rusticl/core/program.rs |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/src/gallium/frontends/rusticl/api/memory.rs b/src/gallium/frontends/rusticl/api/memory.rs
index a60537d907f..8960db4cae3 100644
--- a/src/gallium/frontends/rusticl/api/memory.rs
+++ b/src/gallium/frontends/rusticl/api/memory.rs
@@ -13,6 +13,7 @@ use crate::core::event::EventSig;
 use crate::core::format::*;
 use crate::core::gl::*;
 use crate::core::memory::*;
+use crate::core::platform::Platform;
 use crate::core::queue::*;
 use crate::rusticl_warn_once;
 
@@ -53,6 +54,14 @@ fn validate_mem_flags(flags: cl_mem_flags, validation: MemFlagValidationType) ->
             | CL_MEM_ALLOW_UNRESTRICTED_SIZE_INTEL,
     );
 
+    if Platform::features().intel {
+        valid_flags |= cl_bitfield::from(
+            CL_MEM_FORCE_HOST_MEMORY_INTEL
+                | CL_MEM_COMPRESSED_HINT_INTEL
+                | CL_MEM_UNCOMPRESSED_HINT_INTEL,
+        );
+    }
+
     if validation != MemFlagValidationType::Imported {
         valid_flags |= cl_bitfield::from(
             CL_MEM_USE_HOST_PTR
@@ -327,6 +336,9 @@ unsafe impl CLInfo<cl_mem_info> for cl_mem {
             }),
             CL_MEM_SIZE => v.write::<usize>(mem.size),
             CL_MEM_TYPE => v.write::<cl_mem_object_type>(mem.mem_type),
+            CL_MEM_USES_COMPRESSION_INTEL if Platform::features().intel => {
+                v.write::<cl_bool>(CL_FALSE)
+            }
             CL_MEM_USES_SVM_POINTER | CL_MEM_USES_SVM_POINTER_ARM => {
                 v.write::<cl_bool>(mem.is_svm().into())
             }
diff --git a/src/gallium/frontends/rusticl/core/program.rs b/src/gallium/frontends/rusticl/core/program.rs
index 2a13a0f6523..c9c1093dee7 100644
--- a/src/gallium/frontends/rusticl/core/program.rs
+++ b/src/gallium/frontends/rusticl/core/program.rs
@@ -325,6 +325,8 @@ fn prepare_options(options: &str, dev: &Device) -> Vec<CString> {
             "-cl-denorms-are-zero" => Some("-fdenormal-fp-math=positive-zero"),
             // We can ignore it as long as we don't support ifp
             "-cl-no-subgroup-ifp" => None,
+            // This indicates how many registers per thread should be used, we just ignore it.
+            "-cl-intel-256-GRF-per-thread" => None,
             // Some applications use this argument when they detect Intel hardware.
             "-cl-intel-greater-than-4GB-buffer-required" => None,
             // Some applications use this when they detect QC hardware