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-rw-r--r--src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
index 60ade78b5f2..f8be0df94cf 100644
--- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
+++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
@@ -218,7 +218,13 @@ static LLVMValueRef fetch_system_value(
unsigned swizzle)
{
struct radeon_llvm_context * ctx = radeon_llvm_context(bld_base);
+ struct gallivm_state *gallivm = bld_base->base.gallivm;
+
LLVMValueRef cval = ctx->system_values[reg->Register.Index];
+ if (LLVMGetTypeKind(LLVMTypeOf(cval)) == LLVMVectorTypeKind) {
+ cval = LLVMBuildExtractElement(gallivm->builder, cval,
+ lp_build_const_int32(gallivm, swizzle), "");
+ }
return bitcast(bld_base, type, cval);
}