Module: Mesa Branch: master Commit: e3ea5bc08e32119d05bce543c07c61ce93869e60 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e3ea5bc08e32119d05bce543c07c61ce93869e60
Author: Eric Anholt <[email protected]> Date: Thu Jul 7 16:41:20 2011 -0700 i965: Fix fp-lit-src-equals-dst. We were stomping over the source for the body of the LIT instruction when doing the MOV of 1.0 to the uninteresting channels. Reviewed-by: Ian Romanick <[email protected]> --- src/mesa/drivers/dri/i965/brw_wm_fp.c | 22 +++++++++++----------- 1 files changed, 11 insertions(+), 11 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c index 59dcda7..87eabf1 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_fp.c +++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c @@ -611,7 +611,17 @@ static void precalc_lit( struct brw_wm_compile *c, { struct prog_src_register src0 = inst->SrcReg[0]; struct prog_dst_register dst = inst->DstReg; - + + if (dst.WriteMask & WRITEMASK_YZ) { + emit_op(c, + OPCODE_LIT, + dst_mask(dst, WRITEMASK_YZ), + inst->SaturateMode, + src0, + src_undef(), + src_undef()); + } + if (dst.WriteMask & WRITEMASK_XW) { struct prog_instruction *swz; @@ -627,16 +637,6 @@ static void precalc_lit( struct brw_wm_compile *c, /* Avoid letting the negation flag of src0 affect our 1 constant. */ swz->SrcReg[0].Negate = NEGATE_NONE; } - - if (dst.WriteMask & WRITEMASK_YZ) { - emit_op(c, - OPCODE_LIT, - dst_mask(dst, WRITEMASK_YZ), - inst->SaturateMode, - src0, - src_undef(), - src_undef()); - } } _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
