diff options
| author | Eric Anholt <eric@anholt.net> | 2010-10-27 11:00:14 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-10-28 14:45:11 -0700 |
| commit | e30a3e7aa09c373c0a02df555d090693718f0fe8 (patch) | |
| tree | 40bb282eefbdfc28ea353e7d27b8b73d2a8f6eca /src/mesa/drivers/dri/i965/brw_defines.h | |
| parent | 85a08f8fc761d8501fc315d16df6ce0fba9f091e (diff) | |
i965: Add user clip planes support to gen6.
Fixes piglit user-clip, and compiz desktop switching when dragging a
window and using just 2 desktops. Bug #30446.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_defines.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_defines.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 6c3db61035..239586a036 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -930,6 +930,11 @@ #define CMD_3D_CLIP_STATE 0x7812 /* GEN6+ */ /* DW1 */ # define GEN6_CLIP_STATISTICS_ENABLE (1 << 10) +/** + * Just does cheap culling based on the clip distance. Bits must be + * disjoint with USER_CLIP_CLIP_DISTANCE bits. + */ +# define GEN6_USER_CLIP_CULL_DISTANCES_SHIFT 0 /* DW2 */ # define GEN6_CLIP_ENABLE (1 << 31) # define GEN6_CLIP_API_OGL (0 << 30) @@ -937,6 +942,8 @@ # define GEN6_CLIP_XY_TEST (1 << 28) # define GEN6_CLIP_Z_TEST (1 << 27) # define GEN6_CLIP_GB_TEST (1 << 26) +/** 8-bit field of which user clip distances to clip aganist. */ +# define GEN6_USER_CLIP_CLIP_DISTANCES_SHIFT 16 # define GEN6_CLIP_MODE_NORMAL (0 << 13) # define GEN6_CLIP_MODE_REJECT_ALL (3 << 13) # define GEN6_CLIP_MODE_ACCEPT_ALL (4 << 13) |