From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Fri, 20 Dec 2019 17:34:20 +0000 (-0500)
Subject: pan/midgard: Clamp LOD register swizzle
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=72e5749a635ca864c99a149df42685eb1cb48620;p=mesa.git

pan/midgard: Clamp LOD register swizzle

Fixes register allocation failures with textureLodOffset.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
---

diff --git a/src/panfrost/midgard/midgard_compile.c b/src/panfrost/midgard/midgard_compile.c
index ac712216ec2..8d457de950e 100644
--- a/src/panfrost/midgard/midgard_compile.c
+++ b/src/panfrost/midgard/midgard_compile.c
@@ -1826,6 +1826,10 @@ emit_texop_native(compiler_context *ctx, nir_tex_instr *instr,
 
                         ins.texture.lod_register = true;
                         ins.src[2] = index;
+
+                        for (unsigned c = 0; c < MIR_VEC_COMPONENTS; ++c)
+                                ins.swizzle[2][c] = COMPONENT_X;
+
                         emit_explicit_constant(ctx, index, index);
 
                         break;