From ca0f50ec6aafd6726ebc08d85aecf2263aaf08d9 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Wed, 27 Jan 2021 15:44:00 -0500
Subject: [PATCH] pan/bi: Implement load_sample_mask_in

Preloaded.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8774>
---
 src/panfrost/bifrost/bifrost_compile.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 81cd3e79dd3..0e842db157d 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -809,6 +809,11 @@ bi_emit_intrinsic(bi_builder *b, nir_intrinsic_instr *instr)
                                 bi_imm_f32(b->shader->blend_constants[3]));
                 break;
 
+	case nir_intrinsic_load_sample_mask_in:
+                /* r61[0:15] contains the coverage bitmap */
+                bi_u16_to_u32_to(b, dst, bi_half(bi_register(61), false));
+                break;
+
         case nir_intrinsic_load_sample_id: {
                 /* r61[16:23] contains the sampleID, mask it out. Upper bits
                  * seem to read garbage (despite being architecturally defined