diff options
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fp.c | 92 |
1 files changed, 91 insertions, 1 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c index c48200d5cc..7a672478c5 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -52,7 +52,7 @@ /** Set to 1 to enable debug/disassembly printfs */ -#define DISASSEM 1 +#define DISASSEM 0 #define MAX_TEMPS 16 @@ -442,6 +442,31 @@ emit_MAD(struct codegen *gen, const struct tgsi_full_instruction *inst) /** + * Emit linear interpolate. See emit_ADD for comments. + */ +static boolean +emit_LERP(struct codegen *gen, const struct tgsi_full_instruction *inst) +{ + int ch; + spe_comment(gen->f, -4, "LERP:"); + for (ch = 0; ch < 4; ch++) { + if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) { + int s1_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[0]); + int s2_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[1]); + int s3_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[2]); + int d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + /* d = s3 + s1(s2 - s3) */ + spe_fs(gen->f, d_reg, s2_reg, s3_reg); + spe_fm(gen->f, d_reg, d_reg, s1_reg); + spe_fa(gen->f, d_reg, d_reg, s3_reg); + store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + return true; +} + +/** * Emit multiply. See emit_ADD for comments. */ static boolean @@ -618,6 +643,65 @@ emit_SNE(struct codegen *gen, const struct tgsi_full_instruction *inst) return true; } +/** + * Emit max. See emit_SGT for comments. + */ +static boolean +emit_MAX(struct codegen *gen, const struct tgsi_full_instruction *inst) +{ + int ch; + + spe_comment(gen->f, -4, "MAX:"); + + for (ch = 0; ch < 4; ch++) { + if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) { + int s1_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[0]); + int s2_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[1]); + int d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + + /* d = (s1 > s2) ? s1 : s2 */ + spe_fcgt(gen->f, d_reg, s1_reg, s2_reg); + spe_and(gen->f, d_reg, d_reg, s1_reg); + spe_nor(gen->f, d_reg, d_reg, d_reg); + spe_and(gen->f, d_reg, d_reg, s2_reg); + + store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + + return true; +} + +/** + * Emit max. See emit_SGT for comments. + */ +static boolean +emit_MIN(struct codegen *gen, const struct tgsi_full_instruction *inst) +{ + int ch; + + spe_comment(gen->f, -4, "MIN:"); + + for (ch = 0; ch < 4; ch++) { + if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) { + int s1_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[0]); + int s2_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[1]); + int d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + + /* d = (s1 < s2) ? s1 : s2 */ + spe_fcgt(gen->f, d_reg, s2_reg, s1_reg); + spe_and(gen->f, d_reg, d_reg, s1_reg); + spe_nor(gen->f, d_reg, d_reg, d_reg); + spe_and(gen->f, d_reg, d_reg, s2_reg); + + store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + + return true; +} static boolean emit_IF(struct codegen *gen, const struct tgsi_full_instruction *inst) @@ -746,6 +830,8 @@ emit_instruction(struct codegen *gen, return emit_SUB(gen, inst); case TGSI_OPCODE_MAD: return emit_MAD(gen, inst); + case TGSI_OPCODE_LERP: + return emit_LERP(gen, inst); case TGSI_OPCODE_ABS: return emit_ABS(gen, inst); case TGSI_OPCODE_SGT: @@ -756,6 +842,10 @@ emit_instruction(struct codegen *gen, return emit_SEQ(gen, inst); case TGSI_OPCODE_SNE: return emit_SNE(gen, inst); + case TGSI_OPCODE_MAX: + return emit_MAX(gen, inst); + case TGSI_OPCODE_MIN: + return emit_MIN(gen, inst); case TGSI_OPCODE_END: return emit_END(gen); |