gallium: remove TGSI_OPCODE_SUB

[mesa.git] / src / gallium / auxiliary / vl / vl_deint_filter.c

diff --git a/src/gallium/auxiliary/vl/vl_deint_filter.c b/src/gallium/auxiliary/vl/vl_deint_filter.c
index 3ca3b49543d2b6c3a844ca71577dc22199c668b5..2eec5cbcd32451083d410a1b5bd2a94951e07abf 100644 (file)
--- a/src/gallium/auxiliary/vl/vl_deint_filter.c
+++ b/src/gallium/auxiliary/vl/vl_deint_filter.c
@@ -173,21 +173,21 @@ create_deint_frag_shader(struct vl_deint_filter *filter, unsigned field,
       // cur vs prev2
       ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur);
       ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prevprev);
-      ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_src(t_b));
+      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
       // prev vs next
       ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prev);
       ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_next);
-      ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_src(t_b));
+      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
    } else {
       /* interpolating bottom field -> current field is a top field */
       // cur vs prev2
       ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur);
       ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prevprev);
-      ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_src(t_b));
+      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
       // prev vs next
       ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev);
       ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_next);
-      ureg_SUB(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_src(t_b));
+      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
    }
 
    // absolute maximum of differences