diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c index ba1c64ee37c..764aeb49f1a 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c @@ -1546,14 +1546,11 @@ emit_intrinsic(struct ir3_compile *ctx, nir_intrinsic_instr *intr) ctx->frag_face = create_input(b, 0); ctx->frag_face->regs[0]->flags |= IR3_REG_HALF; } - /* for fragface, we always get -1 or 0, but that is inverse - * of what nir expects (where ~0 is true). Unfortunately - * trying to widen from half to full in add.s seems to do a - * non-sign-extending widen (resulting in something that - * gets interpreted as float Inf??) + /* for fragface, we get -1 for back and 0 for front. However this is + * the inverse of what nir expects (where ~0 is true). */ dst[0] = ir3_COV(b, ctx->frag_face, TYPE_S16, TYPE_S32); - dst[0] = ir3_ADD_S(b, dst[0], 0, create_immed(b, 1), 0); + dst[0] = ir3_NOT_B(b, dst[0], 0); break; case nir_intrinsic_load_local_invocation_id: if (!ctx->local_invocation_id) { |