From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Fri, 16 Oct 2020 14:21:26 +0000 (-0400)
Subject: zink: add helper for vec-type input variables in ntv
X-Git-Tag: upstream/21.0.0~3606
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=441b32bf3f4ea79b90f5c4de4ffab180dc53d2f8;p=platform%2Fupstream%2Fmesa.git

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 @@ emit_load_uint_input(struct ntv_context *ctx, nir_intrinsic_instr *intr, SpvId *
 }
 
 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) {