The index passed to get_shared_memory_ptr is an attribute slot index, i.e. the index of a vec4 within LDS. Therefore this must be scaled by sizeof(vec4) to give the LDS byte offset.
Signed-off-by: Alex Smith <[email protected]> --- src/amd/common/ac_nir_to_llvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index 01346c3..6e36c19 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -297,7 +297,7 @@ static LLVMValueRef get_shared_memory_ptr(struct nir_to_llvm_context *ctx, LLVMValueRef ptr; int addr_space; - offset = LLVMConstInt(ctx->i32, idx, false); + offset = LLVMConstInt(ctx->i32, idx * 16, false); ptr = ctx->shared_memory; ptr = LLVMBuildGEP(ctx->builder, ptr, &offset, 1, ""); -- 2.9.3 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
