1 files changed, 56 insertions, 0 deletions
diff --git a/src/kosmickrisp/compiler/nir_to_msl.h b/src/kosmickrisp/compiler/nir_to_msl.h
new file mode 100644
index 00000000000..0a4d50109ed
--- /dev/null
+++ b/src/kosmickrisp/compiler/nir_to_msl.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2025 LunarG, Inc.
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+#include "nir.h"
+
+enum pipe_format;
+
+/* Assumes nir_shader_gather_info has been called beforehand. */
+char *nir_to_msl(nir_shader *shader, void *mem_ctx);
+
+/* Call this after all API-specific lowerings. It will bring the NIR out of SSA
+ * at the end */
+bool msl_optimize_nir(struct nir_shader *nir);
+
+/* Call this before all API-speicific lowerings, it will */
+void msl_preprocess_nir(struct nir_shader *nir);
+
+enum msl_tex_access_flag {
+   MSL_ACCESS_SAMPLE = 0,
+   MSL_ACCESS_READ,
+   MSL_ACCESS_WRITE,
+   MSL_ACCESS_READ_WRITE,
+};
+
+static inline enum msl_tex_access_flag
+msl_convert_access_flag(enum gl_access_qualifier qual)
+{
+   if (qual & ACCESS_NON_WRITEABLE)
+      return MSL_ACCESS_READ;
+   if (qual & ACCESS_NON_READABLE)
+      return MSL_ACCESS_WRITE;
+   return MSL_ACCESS_READ_WRITE;
+}
+
+bool msl_nir_fs_force_output_signedness(
+   nir_shader *nir, enum pipe_format render_target_formats[MAX_DRAW_BUFFERS]);
+
+bool msl_nir_vs_remove_point_size_write(nir_builder *b,
+                                        nir_intrinsic_instr *intrin,
+                                        void *data);
+
+bool msl_nir_fs_remove_depth_write(nir_builder *b, nir_intrinsic_instr *intrin,
+                                   void *data);
+
+bool msl_lower_textures(nir_shader *s);
+
+bool msl_lower_static_sample_mask(nir_shader *nir, uint32_t sample_mask);
+bool msl_ensure_depth_write(nir_shader *nir);
+bool msl_ensure_vertex_position_output(nir_shader *nir);
+bool msl_nir_sample_mask_type(nir_shader *nir);
+bool msl_nir_layer_id_type(nir_shader *nir);