From d6e1a8f71437d4a65e65f93271b2892dd62b0d23 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Sun, 17 Jul 2011 23:15:54 -0700 Subject: [PATCH] ir_to_mesa: Add each relative address to the previous This fixes many cases of accessing arrays of matrices using non-constant indices at each level. Fixes i965 piglit: vs-temp-array-mat[234]-index-col-rd vs-temp-array-mat[234]-index-col-row-rd vs-temp-array-mat[234]-index-col-wr vs-uniform-array-mat[234]-index-col-rd Fixes swrast piglit: fs-temp-array-mat[234]-index-col-rd fs-temp-array-mat[234]-index-col-row-rd fs-temp-array-mat[234]-index-col-wr fs-uniform-array-mat[234]-index-col-rd fs-uniform-array-mat[234]-index-col-row-rd fs-varying-array-mat[234]-index-col-rd fs-varying-array-mat[234]-index-col-row-rd vs-temp-array-mat[234]-index-col-rd vs-temp-array-mat[234]-index-col-row-rd vs-temp-array-mat[234]-index-col-wr vs-uniform-array-mat[234]-index-col-rd vs-uniform-array-mat[234]-index-col-row-rd vs-varying-array-mat[234]-index-col-rd vs-varying-array-mat[234]-index-col-row-rd vs-varying-array-mat[234]-index-col-wr Reviewed-by: Eric Anholt --- src/mesa/program/ir_to_mesa.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index d8e5a3a9772..beb481b3a3b 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -1496,6 +1496,18 @@ ir_to_mesa_visitor::visit(ir_dereference_array *ir) this->result, src_reg_for_float(element_size)); } + /* If there was already a relative address register involved, add the + * new and the old together to get the new offset. + */ + if (src.reladdr != NULL) { + src_reg accum_reg = get_temp(glsl_type::float_type); + + emit(ir, OPCODE_ADD, dst_reg(accum_reg), + index_reg, *src.reladdr); + + index_reg = accum_reg; + } + src.reladdr = ralloc(mem_ctx, src_reg); memcpy(src.reladdr, &index_reg, sizeof(index_reg)); } -- 2.30.2