diff options
| author | Jerome Glisse <[email protected]> | 2013-02-20 16:20:17 -0500 |
|---|---|---|
| committer | Jerome Glisse <[email protected]> | 2013-02-28 09:48:05 -0500 |
| commit | 6bc7605745d53df94398b724b66db74d23d09e03 (patch) | |
| tree | 8c6084c03e34775ccacb4b5fad52a0cd20c72f79 /src/gallium/drivers/r600/evergreen_state.c | |
| parent | c6ae10887e46ae59c6386118d88143728eb890cc (diff) | |
r600g: workaround hyperz lockup on evergreen
This work around disable hyperz if write to zbuffer is disabled. Somehow
using hyperz when not writting to the zbuffer trigger GPU lockup. See :
https://bugs.freedesktop.org/show_bug.cgi?id=60848
Candidate for 9.1
Signed-off-by: Jerome Glisse <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/evergreen_state.c')
| -rw-r--r-- | src/gallium/drivers/r600/evergreen_state.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index 4a919425382..2e301bc86ec 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -858,6 +858,7 @@ static void *evergreen_create_dsa_state(struct pipe_context *ctx, dsa->valuemask[1] = state->stencil[1].valuemask; dsa->writemask[0] = state->stencil[0].writemask; dsa->writemask[1] = state->stencil[1].writemask; + dsa->zwritemask = state->depth.writemask; db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) | S_028800_Z_WRITE_ENABLE(state->depth.writemask) | @@ -2286,7 +2287,14 @@ static void evergreen_emit_db_misc_state(struct r600_context *rctx, struct r600_ } db_render_override |= S_02800C_NOOP_CULL_DISABLE(1); } - if (rctx->db_state.rsurf && rctx->db_state.rsurf->htile_enabled) { + /* FIXME we should be able to use hyperz even if we are not writing to + * zbuffer but somehow this trigger GPU lockup. See : + * + * https://bugs.freedesktop.org/show_bug.cgi?id=60848 + * + * Disable hyperz for now if not writing to zbuffer. + */ + if (rctx->db_state.rsurf && rctx->db_state.rsurf->htile_enabled && rctx->zwritemask) { /* FORCE_OFF means HiZ/HiS are determined by DB_SHADER_CONTROL */ db_render_override |= S_02800C_FORCE_HIZ_ENABLE(V_02800C_FORCE_OFF); /* This is to fix a lockup when hyperz and alpha test are enabled at |