radeon/llvm: Only use indirect (vertex fetch) parameters for kernels

Kernel parameters can only be retrieved via vertex fetchs.  Direct
parameters (i.e parameters stored in the constant buffer) are not
supported yet.

diff --git a/src/gallium/drivers/radeon/R600KernelParameters.cpp b/src/gallium/drivers/radeon/R600KernelParameters.cpp
index 53bfebc73647071fe64f6c503d37842fbfd3f9f5..e810023b651695f0fd10114860b5e31a7ddeb49a 100644 (file)
--- a/src/gallium/drivers/radeon/R600KernelParameters.cpp
+++ b/src/gallium/drivers/radeon/R600KernelParameters.cpp
@@ -45,7 +45,7 @@ class R600KernelParameters : public FunctionPass
   struct param
   {
     param() : val(NULL), ptr_val(NULL), offset_in_dw(0), size_in_dw(0),
-              indirect(false), specialID(0) {}
+              indirect(true), specialID(0) {}
 
     Value* val;
     Value* ptr_val;
@@ -74,7 +74,7 @@ class R600KernelParameters : public FunctionPass
   void Replace(Function* fun);
   bool isIndirect(Value* val, std::set<Value*>& visited);
   void Propagate(Function* fun);
-  void Propagate(Value* v, const Twine& name, bool indirect = false);
+  void Propagate(Value* v, const Twine& name, bool indirect = true);
   Value* ConstantRead(Function* fun, param& p);
   Value* handleSpecial(Function* fun, param& p);
   bool isSpecialType(Type*);
@@ -150,6 +150,9 @@ int R600KernelParameters::getListSize()
 
 bool R600KernelParameters::isIndirect(Value* val, std::set<Value*>& visited)
 {
+  //XXX Direct parameters are not supported yet, so return true here.
+  return true;
+#if 0
   if (isa<LoadInst>(val))
   {
     return false;
@@ -196,6 +199,7 @@ bool R600KernelParameters::isIndirect(Value* val, std::set<Value*>& visited)
   }
 
   return false;
+#endif
 }
 
 void R600KernelParameters::AddParam(Argument* arg)