d3d12: Move d3d12_nir_lower_vs_vertex_conversion() to a common place

So we can re-use it in dozen.

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15955>

src/gallium/drivers/d3d12/d3d12_compiler.cpp

@@ -113,7 +113,7 @@ compile_nir(struct d3d12_context *ctx, struct d3d12_shader_selector *sel,
                  screen->base.get_paramf(&screen->base, PIPE_CAPF_MAX_TEXTURE_LOD_BIAS));
 
    if (key->vs.needs_format_emulation)
-      d3d12_nir_lower_vs_vertex_conversion(nir, key->vs.format_conversion);
+      dxil_nir_lower_vs_vertex_conversion(nir, key->vs.format_conversion);
 
    uint32_t num_ubos_before_lower_to_ubo = nir->info.num_ubos;
    uint32_t num_uniforms_before_lower_to_ubo = nir->num_uniforms;

src/gallium/drivers/d3d12/d3d12_nir_passes.h

@@ -93,9 +93,6 @@ d3d12_nir_invert_depth(nir_shader *s, unsigned viewport_mask);
 bool
 nir_lower_packed_ubo_loads(struct nir_shader *nir);
 
-bool
-d3d12_nir_lower_vs_vertex_conversion(nir_shader *s, enum pipe_format target_formats[]);
-
 void
 d3d12_lower_primitive_id(nir_shader *shader);
 

src/gallium/drivers/d3d12/meson.build

@@ -35,7 +35,6 @@ files_libd3d12 = files(
   'd3d12_gs_variant.cpp',
   'd3d12_lower_image_casts.c',
   'd3d12_lower_point_sprite.c',
-  'd3d12_nir_lower_vs_vertex_conversion.c',
   'd3d12_nir_passes.c',
   'd3d12_pipeline_state.cpp',
   'd3d12_query.cpp',

src/microsoft/compiler/dxil_nir.h

@@ -53,6 +53,7 @@ bool dxil_nir_lower_system_values(nir_shader *shader);
 bool dxil_nir_split_typed_samplers(nir_shader *shader);
 bool dxil_nir_lower_bool_input(struct nir_shader *s);
 bool dxil_nir_lower_sysval_to_load_input(nir_shader *s, nir_variable **sysval_vars);
+bool dxil_nir_lower_vs_vertex_conversion(nir_shader *s, enum pipe_format target_formats[]);
 
 nir_ssa_def *
 build_load_ubo_dxil(nir_builder *b, nir_ssa_def *buffer,

src/microsoft/compiler/dxil_nir_lower_vs_vertex_conversion.c

@@ -21,7 +21,7 @@
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "d3d12_nir_passes.h"
+#include "dxil_nir.h"
 
 #include "nir_builder.h"
 #include "nir_builtin_builder.h"
@@ -147,8 +147,8 @@ lower_vs_vertex_conversion_impl(nir_builder *b, nir_instr *instr, void *options)
  * or PIPE_FORMAT_NONE if no conversion is needed
  */
 bool
-d3d12_nir_lower_vs_vertex_conversion(nir_shader *s,
-                                     enum pipe_format target_formats[])
+dxil_nir_lower_vs_vertex_conversion(nir_shader *s,
+                                    enum pipe_format target_formats[])
 {
    assert(s->info.stage == MESA_SHADER_VERTEX);
 

src/microsoft/compiler/meson.build

@@ -29,6 +29,7 @@ files_libdxil_compiler = files(
   'dxil_nir.c',
   'dxil_nir_lower_int_cubemaps.c',
   'dxil_nir_lower_int_samplers.c',
+  'dxil_nir_lower_vs_vertex_conversion.c',
   'dxil_signature.c',
   'dxil_nir_tess.c',
   'nir_to_dxil.c',