This fixes ARB_texture_query_levels to actually return the desired
value.
Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
Cc: "10.4 10.5" <mesa-sta...@lists.freedesktop.org>
---
src/gallium/drivers/freedreno/ir3/ir3_compiler.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
index dc4fd98..7e6e3df 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
@@ -1646,6 +1646,26 @@ trans_txq(const struct instr_translater *t,
add_dst_reg_wrmask(ctx, instr, dst, 0, dst->WriteMask);
add_src_reg_wrmask(ctx, instr, level, level->SwizzleX, 0x1);
}
+
+ if (dst->WriteMask & TGSI_WRITEMASK_W) {
+ /* The # of levels comes from getinfo.z. We need to add 1 to
it, since
+ * the value in TEX_CONST_0 is zero-based.
+ */
+ struct tgsi_dst_register tmp_dst;
+ struct tgsi_src_register *tmp_src;
+
+ tmp_src = get_internal_temp(ctx, &tmp_dst);
+ instr = instr_create(ctx, 5, OPC_GETINFO);
+ instr->cat5.type = get_utype(ctx);
+ instr->cat5.samp = samp->Index;
+ instr->cat5.tex = samp->Index;
+ add_dst_reg_wrmask(ctx, instr, &tmp_dst, 0, TGSI_WRITEMASK_Z);
+
+ instr = instr_create(ctx, 2, OPC_ADD_U);
+ add_dst_reg(ctx, instr, dst, 3);
+ add_src_reg(ctx, instr, tmp_src, src_swiz(tmp_src, 2));
+ ir3_reg_create(instr, 0, IR3_REG_IMMED)->iim_val = 1;
+ }
}
/* DDX/DDY */
--
2.0.5
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