Mesa (master): pan/bi: Extract shadowmap comparator

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Module: Mesa
Branch: master
Commit: 8be54474619ff36230a7ed5f38a6bb3dc7f77a5e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8be54474619ff36230a7ed5f38a6bb3dc7f77a5e

Author: Boris Brezillon <boris.brezillon at collabora.com>
Date:   Mon Nov  9 13:36:00 2020 +0100

pan/bi: Extract shadowmap comparator

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/7530>

---

 src/panfrost/bifrost/bifrost_compile.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 747074c4d7a..b7573115cc9 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -1970,6 +1970,10 @@ emit_texc(bi_context *ctx, nir_tex_instr *instr)
                                 desc.offset_or_bias_disable = true;
                         break;
 
+                case nir_tex_src_comparator:
+                        dregs[BIFROST_TEX_DREG_SHADOW] = index;
+                        break;
+
                 default:
                         unreachable("Unhandled src type in texc emit");
                 }