zink: add helper for vec-type input variables in ntv
we'll see a lot of reuse of this type of thing, so we can avoid duplicating
it later
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7192>
diff --git a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
index 2c8f28a..5734bf5 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
@@ -1665,6 +1665,37 @@
}
static void
+emit_load_vec_input(struct ntv_context *ctx, nir_intrinsic_instr *intr, SpvId *var_id, const char *var_name, SpvBuiltIn builtin, nir_alu_type type)
+{
+ SpvId var_type;
+
+ switch (type) {
+ case nir_type_bool:
+ var_type = get_bvec_type(ctx, nir_dest_num_components(intr->dest));
+ break;
+ case nir_type_int:
+ var_type = get_ivec_type(ctx, nir_dest_bit_size(intr->dest), nir_dest_num_components(intr->dest));
+ break;
+ case nir_type_uint:
+ var_type = get_uvec_type(ctx, nir_dest_bit_size(intr->dest), nir_dest_num_components(intr->dest));
+ break;
+ case nir_type_float:
+ var_type = get_fvec_type(ctx, nir_dest_bit_size(intr->dest), nir_dest_num_components(intr->dest));
+ break;
+ default:
+ unreachable("unknown type passed");
+ }
+ if (!*var_id)
+ *var_id = create_builtin_var(ctx, var_type,
+ SpvStorageClassInput,
+ var_name,
+ builtin);
+
+ SpvId result = spirv_builder_emit_load(&ctx->builder, var_type, *var_id);
+ store_dest(ctx, &intr->dest, result, type);
+}
+
+static void
emit_intrinsic(struct ntv_context *ctx, nir_intrinsic_instr *intr)
{
switch (intr->intrinsic) {
