From: Topi Pohjolainen Date: Mon, 8 Feb 2016 16:00:31 +0000 (+0200) Subject: i965/gen9: Setup MCS for compressed texture surfaces X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=683dda00830b6c5f450d4ccbc95b108fe3f091b0;p=mesa.git i965/gen9: Setup MCS for compressed texture surfaces Signed-off-by: Topi Pohjolainen Reviewed-by: Ben Widawsky --- diff --git a/src/mesa/drivers/dri/i965/gen8_surface_state.c b/src/mesa/drivers/dri/i965/gen8_surface_state.c index 4b9896fe7d6..b8462844ae6 100644 --- a/src/mesa/drivers/dri/i965/gen8_surface_state.c +++ b/src/mesa/drivers/dri/i965/gen8_surface_state.c @@ -249,11 +249,12 @@ gen8_emit_texture_surface_state(struct brw_context *brw, pitch = mt->pitch; } - /* The MCS is not uploaded for single-sampled surfaces because the color - * buffer should always have been resolved before it is used as a texture - * so there is no need for it. + /* Prior to Gen9, MCS is not uploaded for single-sampled surfaces because + * the color buffer should always have been resolved before it is used as + * a texture so there is no need for it. On Gen9 it will be uploaded when + * the surface is losslessly compressed (CCS_E). */ - if (mt->num_samples <= 1) { + if (mt->num_samples <= 1 && aux_mode != GEN9_SURFACE_AUX_MODE_CCS_E) { aux_mt = NULL; aux_mode = GEN8_SURFACE_AUX_MODE_NONE; }