RADV's LLVM backend and radeonsi does the same thing.
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Cc: 19.3 <mesa-stable@lists.freedesktop.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3081>
exp->enabled_mask = 0;
exp->compressed = false;
exp->done = true;
- exp->valid_mask = program->stage & hw_fs;
+ exp->valid_mask = (program->stage & hw_fs) || program->chip_class >= GFX10;
if (program->stage & hw_fs)
exp->dest = 9; /* NULL */
else
else
exp->operands[i] = Operand(v1);
}
- exp->valid_mask = false;
+ /* Navi10-14 skip POS0 exports if EXEC=0 and DONE=0, causing a hang.
+ * Setting valid_mask=1 prevents it and has no other effect.
+ */
+ exp->valid_mask = ctx->options->chip_class >= GFX10 && is_pos && *next_pos == 0;
exp->done = false;
exp->compressed = false;
if (is_pos)
exp->enabled_mask |= 0x4;
}
}
- exp->valid_mask = false;
+ exp->valid_mask = ctx->options->chip_class >= GFX10 && *next_pos == 0;
exp->done = false;
exp->compressed = false;
exp->dest = V_008DFC_SQ_EXP_POS + (*next_pos)++;