From f768f998e0e5885c36af1efee6ca70fdf90deb96 Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Tue, 22 Oct 2013 12:32:23 -0700 Subject: [PATCH] i965/fs: Add is_null() method to fs_reg. Reviewed-by: Eric Anholt Reviewed-by: Paul Berry --- src/mesa/drivers/dri/i965/brw_fs.cpp | 8 ++++++++ src/mesa/drivers/dri/i965/brw_fs.h | 1 + 2 files changed, 9 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 5e95d3a4ce7..69340f0bc9f 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -466,6 +466,14 @@ fs_reg::is_one() const return type == BRW_REGISTER_TYPE_F ? imm.f == 1.0 : imm.i == 1; } +bool +fs_reg::is_null() const +{ + return file == HW_REG && + fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE && + fixed_hw_reg.nr == BRW_ARF_NULL; +} + bool fs_reg::is_valid_3src() const { diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index a3a4dc0f141..c9b0aa1773c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -77,6 +77,7 @@ public: bool equals(const fs_reg &r) const; bool is_zero() const; bool is_one() const; + bool is_null() const; bool is_valid_3src() const; fs_reg retype(uint32_t type); -- 2.30.2