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authorKenneth Graunke <[email protected]>2014-02-10 18:17:10 -0800
committerKenneth Graunke <[email protected]>2014-02-19 15:43:22 -0800
commita3d70580b52c37036e162a976efd9e038615e6d7 (patch)
tree434f2b3c1bbb829d2883ea269452cc6baab6042a /src
parent0c5873c9b9cfe1e7e689b2ef92a205aeee03763b (diff)
i965: Thwack multisample enable bit in 3DSTATE_RASTER.
The meaning and effects of this bit are surprisingly complicated. See Rasterization > Windower > Multisampling > Multisample ModesState. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Anuj Phogat <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/i965/brw_defines.h1
-rw-r--r--src/mesa/drivers/dri/i965/gen8_sf_state.c4
2 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index dea09404825..1cbbe67b6c3 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -1707,6 +1707,7 @@ enum brw_message_target {
# define GEN8_RASTER_CULL_FRONT (2 << 16)
# define GEN8_RASTER_CULL_BACK (3 << 16)
# define GEN8_RASTER_SMOOTH_POINT_ENABLE (1 << 13)
+# define GEN8_RASTER_API_MULTISAMPLE_ENABLE (1 << 12)
# define GEN8_RASTER_LINE_AA_ENABLE (1 << 2)
# define GEN8_RASTER_SCISSOR_ENABLE (1 << 1)
# define GEN8_RASTER_VIEWPORT_Z_CLIP_TEST_ENABLE (1 << 0)
diff --git a/src/mesa/drivers/dri/i965/gen8_sf_state.c b/src/mesa/drivers/dri/i965/gen8_sf_state.c
index a5cd9f88781..b31b17e1064 100644
--- a/src/mesa/drivers/dri/i965/gen8_sf_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_sf_state.c
@@ -209,6 +209,9 @@ upload_raster(struct brw_context *brw)
if (ctx->Point.SmoothFlag)
dw1 |= GEN8_RASTER_SMOOTH_POINT_ENABLE;
+ if (ctx->Multisample._Enabled)
+ dw1 |= GEN8_RASTER_API_MULTISAMPLE_ENABLE;
+
if (ctx->Polygon.OffsetFill)
dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID;
@@ -274,6 +277,7 @@ const struct brw_tracked_state gen8_raster_state = {
.dirty = {
.mesa = _NEW_BUFFERS |
_NEW_LINE |
+ _NEW_MULTISAMPLE |
_NEW_POINT |
_NEW_POLYGON |
_NEW_SCISSOR |