lima/ppir: lower selects to scalars

nir vec4 fcsel assumes that each component of the condition will be used
to select the same component from the options, but pp can't implement
that since it only has 1 component for the condition.

Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Reviewed-by: Qiang Yu <yuq825@gmail.com>

diff --git a/src/gallium/drivers/lima/lima_program.c b/src/gallium/drivers/lima/lima_program.c
index 845d9535aacebcae1b4156899308284e57705947..cb05c6f379f2dab9ec0ddb13a87f029318162657 100644 (file)
--- a/src/gallium/drivers/lima/lima_program.c
+++ b/src/gallium/drivers/lima/lima_program.c
@@ -158,6 +158,11 @@ lima_program_optimize_fs_nir(struct nir_shader *s)
    BITSET_SET(alu_lower, nir_op_fsqrt);
    BITSET_SET(alu_lower, nir_op_fsin);
    BITSET_SET(alu_lower, nir_op_fcos);
+   /* nir vec4 fcsel assumes that each component of the condition will be
+    * used to select the same component from the two options, but lima
+    * can't implement that since we only have 1 component condition */
+   BITSET_SET(alu_lower, nir_op_fcsel);
+   BITSET_SET(alu_lower, nir_op_bcsel);
 
    NIR_PASS_V(s, nir_lower_fragcoord_wtrans);
    NIR_PASS_V(s, nir_lower_io, nir_var_all, type_size, 0);