i965: Initial Ivybridge URB space partitioning, including push constants.

Currently this always reserves 16kB for push constants, regardless of
how much space is needed, and partitions it evenly betwen the VS and FS.
This is probably not ideal, but is straightforward.

Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 94108de7af9..b3d297deae6 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -603,6 +603,8 @@ struct brw_context
       /* gen6:
        * The length of each URB entry owned by the VS (or GS), as
        * a number of 1024-bit (128-byte) rows.  Should be >= 1.
+       *
+       * gen7: Same meaning, but in 512-bit (64-byte) rows.
        */
       GLuint vs_size;
       GLuint gs_size;