diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen8_surface_state.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen8_surface_state.c b/src/mesa/drivers/dri/i965/gen8_surface_state.c index 672fc70a6f3..6b2463a2c63 100644 --- a/src/mesa/drivers/dri/i965/gen8_surface_state.c +++ b/src/mesa/drivers/dri/i965/gen8_surface_state.c @@ -178,6 +178,17 @@ gen8_emit_texture_surface_state(struct brw_context *brw, if (mt->mcs_mt) { aux_mt = mt->mcs_mt; aux_mode = GEN8_SURFACE_AUX_MODE_MCS; + + /* + * From the BDW PRM, Volume 2d, page 260 (RENDER_SURFACE_STATE): + * "When MCS is enabled for non-MSRT, HALIGN_16 must be used" + * + * From the hardware spec for GEN9: + * "When Auxiliary Surface Mode is set to AUX_CCS_D or AUX_CCS_E, HALIGN + * 16 must be used." + */ + assert(brw->gen < 9 || mt->align_w == 16); + assert(brw->gen < 8 || mt->num_samples > 1 || mt->align_w == 16); } uint32_t *surf = allocate_surface_state(brw, surf_offset, surf_index); @@ -391,6 +402,17 @@ gen8_update_renderbuffer_surface(struct brw_context *brw, if (mt->mcs_mt) { aux_mt = mt->mcs_mt; aux_mode = GEN8_SURFACE_AUX_MODE_MCS; + + /* + * From the BDW PRM, Volume 2d, page 260 (RENDER_SURFACE_STATE): + * "When MCS is enabled for non-MSRT, HALIGN_16 must be used" + * + * From the hardware spec for GEN9: + * "When Auxiliary Surface Mode is set to AUX_CCS_D or AUX_CCS_E, HALIGN + * 16 must be used." + */ + assert(brw->gen < 9 || mt->align_w == 16); + assert(brw->gen < 8 || mt->num_samples > 1 || mt->align_w == 16); } uint32_t *surf = allocate_surface_state(brw, &offset, surf_index); |