From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Wed, 27 May 2020 15:33:26 +0000 (-0400)
Subject: pan/bi: Document compute_lod bit for compact tex
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fd0324a1ce9af727442a4a7208f0c017cdd7c681;p=mesa.git

pan/bi: Document compute_lod bit for compact tex

At least I assume this works this way.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5232>
---

diff --git a/src/panfrost/bifrost/disassemble.c b/src/panfrost/bifrost/disassemble.c
index 5ed1d309f08..debc710b3be 100644
--- a/src/panfrost/bifrost/disassemble.c
+++ b/src/panfrost/bifrost/disassemble.c
@@ -1430,10 +1430,9 @@ static void dump_add(FILE *fp, uint64_t word, struct bifrost_regs regs,
                 if (info.src_type == ADD_TEX_COMPACT) {
                         tex_index = (ADD.op >> 3) & 0x7;
                         sampler_index = (ADD.op >> 7) & 0x7;
-                        bool unknown = (ADD.op & 0x40);
-                        // TODO: figure out if the unknown bit is ever 0
-                        if (!unknown)
-                                fprintf(fp, "unknown ");
+                        bool compute_lod = (ADD.op & 0x40);
+                        if (!compute_lod)
+                                fprintf(fp, "vtx lod 0 ");
                 } else {
                         uint64_t constVal = get_const(consts, regs);
                         uint32_t controlBits = (ADD.op & 0x8) ? (constVal >> 32) : constVal;