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>
(cherry picked from commit
2f85d9095e3559597bc1cf0051ab6d7bc18faecd)
"description": "etnaviv: fix late Z with MSAA active",
"nominated": true,
"nomination_type": 0,
- "resolution": 0,
+ "resolution": 1,
"main_sha": null,
"because_sha": null
},
*/
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 ||