Mesa (master): pan/bi: Add support for load_vertex_id
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Mon Nov 9 19:50:31 UTC 2020
Module: Mesa
Branch: master
Commit: 5cd1d8c1ed9b5d9da83900074e983c3e4e0aa3ff
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5cd1d8c1ed9b5d9da83900074e983c3e4e0aa3ff
Author: Boris Brezillon <boris.brezillon at collabora.com>
Date: Fri Nov 6 14:08:33 2020 +0100
pan/bi: Add support for load_vertex_id
Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7472>
---
src/panfrost/bifrost/bifrost_compile.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 48146cd3435..e73bdda9fc9 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -741,6 +741,20 @@ bi_emit_point_coord(bi_context *ctx, nir_intrinsic_instr *instr)
bi_emit(ctx, ins);
}
+static void
+bi_emit_vertex_id(bi_context *ctx, nir_intrinsic_instr *instr)
+{
+ bi_instruction mov = {
+ .type = BI_MOV,
+ .dest = pan_dest_index(&instr->dest),
+ .dest_type = nir_type_int32,
+ .src = { BIR_INDEX_REGISTER | 61 },
+ .src_types = { nir_type_int32 },
+ };
+
+ bi_emit(ctx, mov);
+}
+
static void
emit_intrinsic(bi_context *ctx, nir_intrinsic_instr *instr)
{
@@ -832,6 +846,10 @@ emit_intrinsic(bi_context *ctx, nir_intrinsic_instr *instr)
bi_emit_point_coord(ctx, instr);
break;
+ case nir_intrinsic_load_vertex_id:
+ bi_emit_vertex_id(ctx, instr);
+ break;
+
default:
unreachable("Unknown intrinsic");
break;
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