Mesa (master): i965/fs: Drop the viewport index/ rtai clearing in gen6 fb writes.
Eric Anholt
anholt at kemper.freedesktop.org
Wed May 18 21:23:49 UTC 2011
Module: Mesa
Branch: master
Commit: 7592f005608e6c03d53c18d27d9af84bde802014
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7592f005608e6c03d53c18d27d9af84bde802014
Author: Eric Anholt <eric at anholt.net>
Date: Wed May 11 13:08:03 2011 -0700
i965/fs: Drop the viewport index/rtai clearing in gen6 fb writes.
These fields are documented to be in the payload, and though the FB
write docs say they *aren't* in the payload, for all other fields the
payload and header is structured so that no overwriting is required
except for non-default options.
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 5232a7f..2157c93 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2330,12 +2330,6 @@ fs_visitor::generate_fb_write(fs_inst *inst)
brw_imm_ud(inst->target));
}
- /* Clear viewport index, render target array index. */
- brw_AND(p, retype(brw_vec1_reg(BRW_MESSAGE_REGISTER_FILE, 0, 0),
- BRW_REGISTER_TYPE_UD),
- retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UD),
- brw_imm_ud(0xf7ff));
-
implied_header = brw_null_reg();
} else {
implied_header = retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW);
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