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etnaviv: fix late Z with MSAA active

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On RA_WRITE_DEPTH GPUs the RA stage needs to be told that MSAA is active
when the PE Z/S stage is needed. Not sure what it does exactly, but this
fixes broken late Z on those GPUs when performing MSAA rendering.

Cc: 22.3 mesa-stable
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19571>
This commit is contained in:
Lucas Stach 2022-11-07 14:22:21 +01:00 • committed by Marge Bot
parent 804bf2eba2
commit 2f85d9095e
1 changed files with 7 additions and 0 deletions
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7
src/gallium/drivers/etnaviv/etnaviv_state.c
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@ -777,6 +777,13 @@ etna_update_zsa(struct etna_context *ctx)
*/
if (late_z_test || (early_z_test && late_z_write))
new_ra_depth |= VIVS_RA_EARLY_DEPTH_HDEPTH_DISABLE;
if (ctx->framebuffer_s.nr_cbufs > 0) {
struct pipe_resource *res = ctx->framebuffer_s.cbufs[0]->texture;
if ((late_z_test || late_z_write) && res->nr_samples > 1)
new_ra_depth |= VIVS_RA_EARLY_DEPTH_LATE_DEPTH_MSAA;
}
}
if (new_pe_depth != zsa->PE_DEPTH_CONFIG ||