From: Kenneth Graunke <kenneth@whitecape.org>
Date: Tue, 1 Mar 2011 09:07:19 +0000 (-0800)
Subject: Revert "i965/fs: Correctly set up gl_FragCoord.w on Sandybridge."
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=186d3bc7a3389b78a851e34d8f970c28b8db1608;p=mesa.git

Revert "i965/fs: Correctly set up gl_FragCoord.w on Sandybridge."

This reverts commit 4a3b28113c3d23ba21bb8b8f5ebab7c567083a6d, as it
caused a regression on Ironlake (bug #34646).
---

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 9bdcda780ef..ce7959b19de 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -495,7 +495,7 @@ fs_visitor::emit_fragcoord_interpolation(ir_variable *ir)
    wpos.reg_offset++;
 
    /* gl_FragCoord.w: Already set up in emit_interpolation */
-   emit(fs_inst(BRW_OPCODE_MOV, wpos, this->pixel_w));
+   emit(fs_inst(BRW_OPCODE_MOV, wpos, this->wpos_w));
 
    return reg;
 }