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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 <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Kenneth Graunke 2014-02-10 18:17:10 -08:00
parent 0c5873c9b9
commit a3d70580b5
2 changed files with 5 additions and 0 deletions
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1
src/mesa/drivers/dri/i965/brw_defines.h
View File

@ -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)

4
src/mesa/drivers/dri/i965/gen8_sf_state.c
View File

@ -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 |