Mesa (master): spirv: mark variables decorated with XfbBuffer as always active

[GitLab Mirror]

Module: Mesa
Branch: master
Commit: a1bc1523408a305b14a8c297ea93a28bb12cee5d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a1bc1523408a305b14a8c297ea93a28bb12cee5d

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Fri Oct  5 14:39:01 2018 +0200

spirv: mark variables decorated with XfbBuffer as always active

Otherwise, they are removed during NIR linking or in some
lowering passes.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/compiler/spirv/vtn_variables.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index 358ff4bef7..636fdb8689 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -1326,6 +1326,7 @@ apply_var_decoration(struct vtn_builder *b,
    case SpvDecorationXfbBuffer:
       var_data->explicit_xfb_buffer = true;
       var_data->xfb_buffer = dec->literals[0];
+      var_data->always_active_io = true;
       break;
    case SpvDecorationXfbStride:
       var_data->explicit_xfb_stride = true;