aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAlyssa Rosenzweig <[email protected]>2020-05-01 18:36:42 -0400
committerAlyssa Rosenzweig <[email protected]>2020-05-04 11:08:15 -0400
commit8ab5c97895daa86d0ac777b60f31737e491a22f3 (patch)
tree5bd64b1699824a232d954a752f5e955022221a40
parent201a11a13ad7c9fddd621602b729440532c9a11f (diff)
pan/bi: Fuse conditions into discard_if
Signed-off-by: Alyssa Rosenzweig <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4883>
-rw-r--r--src/panfrost/bifrost/bifrost_compile.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 3f68ae2ae0c..056d44718b3 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -366,6 +366,11 @@ bi_emit_discard(bi_context *ctx, nir_intrinsic_instr *instr)
}
static void
+bi_fuse_cond(bi_instruction *csel, nir_alu_src cond,
+ unsigned *constants_left, unsigned *constant_shift,
+ unsigned comps, bool float_only);
+
+static void
bi_emit_discard_if(bi_context *ctx, nir_intrinsic_instr *instr)
{
nir_src cond = instr->src[0];
@@ -381,6 +386,17 @@ bi_emit_discard_if(bi_context *ctx, nir_intrinsic_instr *instr)
},
};
+ /* Try to fuse in the condition */
+ unsigned constants_left = 1, constant_shift = 0;
+
+ /* Scalar so no swizzle */
+ nir_alu_src wrap = {
+ .src = instr->src[0]
+ };
+
+ /* May or may not succeed but we're optimistic */
+ bi_fuse_cond(&discard, wrap, &constants_left, &constant_shift, 1, true);
+
bi_emit(ctx, discard);
}