Module: Mesa Branch: master Commit: e382890e25c0d95b0765ec00126f27dacc0e1da9 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e382890e25c0d95b0765ec00126f27dacc0e1da9
Author: Samuel Iglesias Gonsálvez <[email protected]> Date: Mon Oct 9 12:24:06 2017 +0200 nir: set default lod to texture opcodes that needed it but don't provide it v2: - Use helper to add a new source to the texture instruction. v3: - Use nir_tex_instr_src_index() to simplify the patch (Jason). Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> Reviewed-by: Lionel Landwerlin <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]> --- src/compiler/nir/nir_lower_tex.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/compiler/nir/nir_lower_tex.c b/src/compiler/nir/nir_lower_tex.c index 65681decb1..c6f001b62c 100644 --- a/src/compiler/nir/nir_lower_tex.c +++ b/src/compiler/nir/nir_lower_tex.c @@ -813,6 +813,19 @@ nir_lower_tex_block(nir_block *block, nir_builder *b, progress = true; continue; } + + /* TXF, TXS and TXL require a LOD but not everything we implement using those + * three opcodes provides one. Provide a default LOD of 0. + */ + if ((nir_tex_instr_src_index(tex, nir_tex_src_lod) == -1) && + (tex->op == nir_texop_txf || tex->op == nir_texop_txs || + tex->op == nir_texop_txl || tex->op == nir_texop_query_levels || + (tex->op == nir_texop_tex && b->shader->stage != MESA_SHADER_FRAGMENT))) { + b->cursor = nir_before_instr(&tex->instr); + nir_tex_instr_add_src(tex, nir_tex_src_lod, nir_src_for_ssa(nir_imm_int(b, 0))); + progress = true; + continue; + } } return progress; _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
