[Mesa-dev] [PATCH 01/15] i965/fs: Add is_null() method to fs_reg.

Matt Turner mattst88 at gmail.com
Mon Oct 28 19:31:25 CET 2013


---
 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 a3268fb..be301e2 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



More information about the mesa-dev mailing list