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/gen6_sf_state.c | |
| 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/gen6_sf_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_sf_state.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_sf_state.c b/src/mesa/drivers/dri/i965/gen6_sf_state.c index 55a70bea62..565fde457b 100644 --- a/src/mesa/drivers/dri/i965/gen6_sf_state.c +++ b/src/mesa/drivers/dri/i965/gen6_sf_state.c @@ -73,12 +73,19 @@ upload_sf_state(struct brw_context *brw) /* _NEW_BUFFER */ GLboolean render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0; int attr = 0; + int urb_start; + + /* _NEW_TRANSFORM */ + if (ctx->Transform.ClipPlanesEnabled) + urb_start = 2; + else + urb_start = 1; dw1 = GEN6_SF_SWIZZLE_ENABLE | num_outputs << GEN6_SF_NUM_OUTPUTS_SHIFT | (num_inputs + 1) / 2 << GEN6_SF_URB_ENTRY_READ_LENGTH_SHIFT | - 1 << GEN6_SF_URB_ENTRY_READ_OFFSET_SHIFT; + urb_start << GEN6_SF_URB_ENTRY_READ_OFFSET_SHIFT; dw2 = GEN6_SF_VIEWPORT_TRANSFORM_ENABLE | GEN6_SF_STATISTICS_ENABLE; dw3 = 0; @@ -195,7 +202,8 @@ const struct brw_tracked_state gen6_sf_state = { _NEW_POLYGON | _NEW_LINE | _NEW_SCISSOR | - _NEW_BUFFERS), + _NEW_BUFFERS | + _NEW_TRANSFORM), .brw = BRW_NEW_CONTEXT, .cache = CACHE_NEW_VS_PROG }, |