diff options
author | Eric Anholt <eric@anholt.net> | 2010-10-06 11:00:31 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2010-10-06 12:13:08 -0700 |
commit | fe6efc25ed3c1edf26073c4e6b6a3a45c857c1eb (patch) | |
tree | e78357d944d1d8183862efac07fb79d492ece9b6 /src | |
parent | 5d99b01501128c7179cdd6aa29bc8953d0d81e75 (diff) |
i965: Don't do 1/w multiplication in new FS for gen6
Not needed now that we're doing barycentric.
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 6e5ea0782e..7327c3a700 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -810,12 +810,14 @@ fs_visitor::emit_general_interpolation(ir_variable *ir) } attr.reg_offset -= type->vector_elements; - for (unsigned int c = 0; c < type->vector_elements; c++) { - emit(fs_inst(BRW_OPCODE_MUL, - attr, - attr, - this->pixel_w)); - attr.reg_offset++; + if (intel->gen < 6) { + for (unsigned int c = 0; c < type->vector_elements; c++) { + emit(fs_inst(BRW_OPCODE_MUL, + attr, + attr, + this->pixel_w)); + attr.reg_offset++; + } } location++; } |