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r600g: remove a Hyper-Z workaround that's likely not needed anymore

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FORCE_OFF == 0, no need to set that

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák
2015-12-10 01:46:17 +01:00
parent 96e8d38ac4
commit 99e63338fb
1 changed files with 7 additions and 19 deletions
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src/gallium/drivers/r600/evergreen_state.c
+7 -19
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@@ -1842,26 +1842,14 @@ static void evergreen_emit_db_misc_state(struct r600_context *rctx, struct r600_
}
db_render_override |= S_02800C_NOOP_CULL_DISABLE(1);
}
/* 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.
/* This is to fix a lockup when hyperz and alpha test are enabled at
* the same time somehow GPU get confuse on which order to pick for
* z test
*/
if (rctx->db_state.rsurf && rctx->db_state.rsurf->db_htile_surface && 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
* the same time somehow GPU get confuse on which order to pick for
* z test
*/
if (rctx->alphatest_state.sx_alpha_test_control) {
db_render_override |= S_02800C_FORCE_SHADER_Z_ORDER(1);
}
} else {
db_render_override |= S_02800C_FORCE_HIZ_ENABLE(V_02800C_FORCE_DISABLE);
}
if (rctx->alphatest_state.sx_alpha_test_control)
db_render_override |= S_02800C_FORCE_SHADER_Z_ORDER(1);
if (a->flush_depthstencil_through_cb) {
assert(a->copy_depth || a->copy_stencil);