[Mesa-dev] [PATCH] radv: spir-v allows texture size query with and without lod.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

The translation to llvm was failing here due to required lod.

This fixes some new  SteamVR shaders.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/amd/common/ac_nir_to_llvm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 2023c50..3a37d2d 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3522,7 +3522,10 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
 		address[count++] = sample_index;
 	} else if(instr->op == nir_texop_txs) {
 		count = 0;
-		address[count++] = lod;
+		if (lod)
+			address[count++] = lod;
+		else
+			address[count++] = ctx->i32zero;
 	}
 
 	for (chan = 0; chan < count; chan++) {
-- 
2.7.4