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aco: fix a hardware bug for MRTZ exports on GFX6

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GFX6 (except OLAND and HAINAN) has a bug that it only looks at
the X writemask component.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3533>
This commit is contained in:
Samuel Pitoiset 2020-01-23 17:51:09 +01:00 • committed by Marge Bot
parent f55e215b8c
commit b9cc50fbce
1 changed files with 9 additions and 0 deletions
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9
src/amd/compiler/aco_instruction_selection.cpp
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@ -8364,6 +8364,15 @@ static void export_fs_mrt_z(isel_context *ctx)
}
}
/* GFX6 (except OLAND and HAINAN) has a bug that it only looks at the X
* writemask component.
*/
if (ctx->options->chip_class == GFX6 &&
ctx->options->family != CHIP_OLAND &&
ctx->options->family != CHIP_HAINAN) {
enabled_channels |= 0x1;
}
bld.exp(aco_opcode::exp, values[0], values[1], values[2], values[3],
enabled_channels, V_008DFC_SQ_EXP_MRTZ, compr);
}