diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c index 67e2cc0c82c..d14de79565d 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c @@ -627,6 +627,33 @@ static void transform_r300_vertex_SEQ(struct radeon_compiler *c, rc_remove_instruction(inst); } +static void transform_r300_vertex_SNE(struct radeon_compiler *c, + struct rc_instruction *inst) +{ + /* x != y <==> x < y || y < x */ + int tmp = rc_find_free_temporary(c); + + /* x < y */ + emit2(c, inst->Prev, RC_OPCODE_SLT, 0, + dstregtmpmask(tmp, inst->U.I.DstReg.WriteMask), + inst->U.I.SrcReg[0], + inst->U.I.SrcReg[1]); + + /* y < x */ + emit2(c, inst->Prev, RC_OPCODE_SLT, 0, + inst->U.I.DstReg, + inst->U.I.SrcReg[1], + inst->U.I.SrcReg[0]); + + /* x || y = max(x, y) */ + emit2(c, inst->Prev, RC_OPCODE_MAX, 0, + inst->U.I.DstReg, + srcreg(RC_FILE_TEMPORARY, tmp), + srcreg(inst->U.I.DstReg.File, inst->U.I.DstReg.Index)); + + rc_remove_instruction(inst); +} + static void transform_r300_vertex_SGT(struct radeon_compiler* c, struct rc_instruction* inst) { @@ -672,6 +699,12 @@ int r300_transform_vertex_alu( case RC_OPCODE_SFL: transform_SFL(c, inst); return 1; case RC_OPCODE_SGT: transform_r300_vertex_SGT(c, inst); return 1; case RC_OPCODE_SLE: transform_r300_vertex_SLE(c, inst); return 1; + case RC_OPCODE_SNE: + if (!c->is_r500) { + transform_r300_vertex_SNE(c, inst); + return 1; + } + return 0; case RC_OPCODE_SUB: transform_SUB(c, inst); return 1; case RC_OPCODE_SWZ: transform_SWZ(c, inst); return 1; case RC_OPCODE_XPD: transform_XPD(c, inst); return 1; |