radeon/llvm: support for interpolation intrinsics

Reviewed-by: Tom Stellard <[email protected]>

1 files changed, 18 insertions, 1 deletions

diff --git a/src/gallium/drivers/radeon/R600MachineFunctionInfo.cpp b/src/gallium/drivers/radeon/R600MachineFunctionInfo.cpp
index 48443fb57d8..a31848efc99 100644
--- a/src/gallium/drivers/radeon/R600MachineFunctionInfo.cpp
+++ b/src/gallium/drivers/radeon/R600MachineFunctionInfo.cpp
@@ -12,5 +12,22 @@
 using namespace llvm;
 
 R600MachineFunctionInfo::R600MachineFunctionInfo(const MachineFunction &MF)
-  : MachineFunctionInfo()
+  : MachineFunctionInfo(),
+    HasLinearInterpolation(false),
+    HasPerspectiveInterpolation(false)
   { }
+
+unsigned R600MachineFunctionInfo::GetIJPerspectiveIndex() const
+{
+  assert(HasPerspectiveInterpolation);
+  return 0;
+}
+
+unsigned R600MachineFunctionInfo::GetIJLinearIndex() const
+{
+  assert(HasLinearInterpolation);
+  if (HasPerspectiveInterpolation)
+    return 1;
+  else
+    return 0;
+}