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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp8
1 files changed, 8 insertions, 0 deletions
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
@@ -467,6 +467,14 @@ fs_reg::is_one() const
}
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
{
return file == GRF || file == UNIFORM;