---
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 65a4b66..77b898b 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;
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h
b/src/mesa/drivers/dri/i965/brw_fs.h
index b5aed23..3104717 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);
--
1.8.3.2
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