diff options
| author | Eric Anholt <eric@anholt.net> | 2010-08-27 13:49:09 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-27 13:59:36 -0700 |
| commit | 38d01c5b272d28a805e7598bad2f2ef5c8da732a (patch) | |
| tree | 11b020adbb95281db9a1b59a47617ceabae74d63 /src/mesa/drivers/dri/i965/brw_fs.cpp | |
| parent | 4229a93cc756b3ade02dcf93d806610f95497ad3 (diff) | |
i965: Mask out higher bits of the result of BRW_CMP producing a boolean.
When it says it sets the LSB, that's not just a hint as to where the
result goes. Only the LSB is modified. Fixes 20 piglit cases.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 98d5d65940..3f41a55331 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -710,26 +710,32 @@ fs_visitor::visit(ir_expression *ir) case ir_binop_less: inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], op[1])); inst->conditional_mod = BRW_CONDITIONAL_L; + emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(0x1))); break; case ir_binop_greater: inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], op[1])); inst->conditional_mod = BRW_CONDITIONAL_G; + emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(0x1))); break; case ir_binop_lequal: inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], op[1])); inst->conditional_mod = BRW_CONDITIONAL_LE; + emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(0x1))); break; case ir_binop_gequal: inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], op[1])); inst->conditional_mod = BRW_CONDITIONAL_GE; + emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(0x1))); break; case ir_binop_equal: inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], op[1])); inst->conditional_mod = BRW_CONDITIONAL_Z; + emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(0x1))); break; case ir_binop_nequal: inst = emit(fs_inst(BRW_OPCODE_CMP, this->result, op[0], op[1])); inst->conditional_mod = BRW_CONDITIONAL_NZ; + emit(fs_inst(BRW_OPCODE_AND, this->result, this->result, fs_reg(0x1))); break; case ir_binop_logic_xor: |