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i965: init global state first in brw_workaround_depthstencil_alignment 

In a future pass this will allow us to exit-early from this
routine to disable it for gen >= 7.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
This commit is contained in:
Jordan Justen 2013-07-09 14:25:11 -07:00
parent 8edb79f1ef
commit 0e6be2e67b
1 changed files with 14 additions and 5 deletions
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19
src/mesa/drivers/dri/i965/brw_misc_state.c
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@ -341,6 +341,20 @@ brw_workaround_depthstencil_alignment(struct brw_context *brw,
if (depth_irb)
depth_mt = depth_irb->mt;
/* Initialize brw->depthstencil to 'nop' workaround state.
*/
brw->depthstencil.tile_x = 0;
brw->depthstencil.tile_y = 0;
brw->depthstencil.depth_offset = 0;
brw->depthstencil.stencil_offset = 0;
brw->depthstencil.hiz_offset = 0;
brw->depthstencil.depth_mt = NULL;
brw->depthstencil.stencil_mt = NULL;
if (depth_irb)
brw->depthstencil.depth_mt = depth_mt;
if (stencil_irb)
brw->depthstencil.stencil_mt = get_stencil_miptree(stencil_irb);
/* Check if depth buffer is in depth/stencil format. If so, then it's only
* safe to invalidate it if we're also clearing stencil, and both depth_irb
* and stencil_irb point to the same miptree.
@ -515,11 +529,6 @@ brw_workaround_depthstencil_alignment(struct brw_context *brw,
*/
brw->depthstencil.tile_x = tile_x;
brw->depthstencil.tile_y = tile_y;
brw->depthstencil.depth_offset = 0;
brw->depthstencil.stencil_offset = 0;
brw->depthstencil.hiz_offset = 0;
brw->depthstencil.depth_mt = NULL;
brw->depthstencil.stencil_mt = NULL;
if (depth_irb) {
depth_mt = depth_irb->mt;
brw->depthstencil.depth_mt = depth_mt;