diff options
| author | Eric Anholt <[email protected]> | 2010-10-26 10:31:08 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2010-10-26 10:34:14 -0700 |
| commit | 0e8c834ffa2f6d943a927e1a32a273d2f8600694 (patch) | |
| tree | 6f1fbc8cb7b4f95cea026eea9945f475590b0578 | |
| parent | 1732a8bc72fe0a8eaf7449eda65eba1a017ae909 (diff) | |
i965: Clear some undefined fields of g0 when using them for gen6 FB writes.
This doesn't appear to help any testcases I'm looking at, but it looks
like it's required.
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index c687fde8738..fc30ffc6744 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -1961,6 +1961,20 @@ fs_visitor::generate_fb_write(fs_inst *inst) brw_MOV(p, brw_message_reg(inst->base_mrf), brw_vec8_grf(0, 0)); + + if (inst->target > 0) { + /* Set the render target index for choosing BLEND_STATE. */ + brw_MOV(p, retype(brw_vec1_reg(BRW_MESSAGE_REGISTER_FILE, 0, 2), + BRW_REGISTER_TYPE_UD), + 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); |