ac/nir: Add float cast before shadow comparator clamp.

LLVM complained about passing an i32 to a float clamp.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Fixes: 0f9e32519bb "ac/nir: clamp shadow texture comparison value on VI"
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 3a62523..83e1111 100644 (file)
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -4495,7 +4495,8 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
 
        /* Pack depth comparison value */
        if (instr->is_shadow && comparator) {
-               LLVMValueRef z = llvm_extract_elem(&ctx->ac, comparator, 0);
+               LLVMValueRef z = to_float(&ctx->ac,
+                                         llvm_extract_elem(&ctx->ac, comparator, 0));
 
                /* TC-compatible HTILE promotes Z16 and Z24 to Z32_FLOAT,
                 * so the depth comparison value isn't clamped for Z16 and