Module: Mesa Branch: master Commit: bf51b11c04fcf9c5f2f86c74ca53ec2ae3fcf4d6 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=bf51b11c04fcf9c5f2f86c74ca53ec2ae3fcf4d6
Author: Tony Wasserka <[email protected]> Date: Mon Oct 12 19:05:14 2020 +0200 aco/isel: Always export position data from VS/NGG AMD ISA docs explicitly require this for VS, and this likely extends to NGG too. Cc: mesa-stable Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3615 Reviewed-by: Samuel Pitoiset <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7102> --- src/amd/compiler/aco_instruction_selection.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp index 0ebb7531e32..54bf8b48252 100644 --- a/src/amd/compiler/aco_instruction_selection.cpp +++ b/src/amd/compiler/aco_instruction_selection.cpp @@ -10203,6 +10203,11 @@ static void create_vs_exports(isel_context *ctx) ctx->outputs.temps[VARYING_SLOT_LAYER * 4u] = as_vgpr(ctx, get_arg(ctx, ctx->args->ac.view_index)); } + /* Hardware requires position data to always be exported, even if the + * application did not write gl_Position. + */ + ctx->outputs.mask[VARYING_SLOT_POS] = 0xf; + /* the order these position exports are created is important */ int next_pos = 0; bool exported_pos = export_vs_varying(ctx, VARYING_SLOT_POS, true, &next_pos); _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
