[Mesa-dev] [PATCH v2 26/45] swr: add x86 lowering pass to fragment shader
George Kyriazis
george.kyriazis at intel.com
Wed Apr 18 01:32:06 UTC 2018
Needed because some FP paths (namely stipple) use gather intrinsics
that now need to be lowered to x86.
v2: fix typo in commit message
---
src/gallium/drivers/swr/swr_shader.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/gallium/drivers/swr/swr_shader.cpp b/src/gallium/drivers/swr/swr_shader.cpp
index 477fa7f..6ea021a 100644
--- a/src/gallium/drivers/swr/swr_shader.cpp
+++ b/src/gallium/drivers/swr/swr_shader.cpp
@@ -27,11 +27,13 @@
#include "JitManager.h"
#include "llvm-c/Core.h"
#include "llvm/Support/CBindingWrapping.h"
+#include "llvm/IR/LegacyPassManager.h"
#pragma pop_macro("DEBUG")
#include "state.h"
#include "gen_state_llvm.h"
#include "builder.h"
+#include "functionpasses/passes.h"
#include "tgsi/tgsi_strings.h"
#include "util/u_format.h"
@@ -1389,6 +1391,11 @@ BuilderSWR::CompileFS(struct swr_context *ctx, swr_jit_fs_key &key)
gallivm_compile_module(gallivm);
+ // after the gallivm passes, we have to lower the core's intrinsics
+ llvm::legacy::FunctionPassManager lowerPass(JM()->mpCurrentModule);
+ lowerPass.add(createLowerX86Pass(mpJitMgr, this));
+ lowerPass.run(*pFunction);
+
PFN_PIXEL_KERNEL kernel =
(PFN_PIXEL_KERNEL)gallivm_jit_function(gallivm, wrap(pFunction));
debug_printf("frag shader %p\n", kernel);
--
2.7.4
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