A shader in Unreal4 uses the result of divide by zero in its color output, producing NaN and triggering this assertion since NaN is not equal to itself.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93560 --- src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp index 9141907..95d4504 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp @@ -300,7 +300,7 @@ fs_visitor::opt_combine_constants() reg->subreg_offset = table.imm[i].subreg_offset; reg->stride = 0; reg->negate = signbit(reg->f) != signbit(table.imm[i].val); - assert(fabsf(reg->f) == table.imm[i].val); + assert(isnan(reg->f) || fabsf(reg->f) == table.imm[i].val); } } -- 2.4.9 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
