diff options
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index d34f3a52fcb..96eb3babb51 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1983,6 +1983,67 @@ static int tgsi_iabs(struct r600_shader_ctx *ctx) return 0; } +static int tgsi_issg(struct r600_shader_ctx *ctx) +{ + struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + struct r600_bytecode_alu alu; + int i, r; + unsigned write_mask = inst->Dst[0].Register.WriteMask; + int last_inst = tgsi_last_instruction(write_mask); + + /* tmp = (src >= 0 ? src : -1) */ + for (i = 0; i < 4; i++) { + if (!(write_mask & (1<<i))) + continue; + + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_CNDGE_INT); + alu.is_op3 = 1; + + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = i; + alu.dst.write = 1; + + r600_bytecode_src(&alu.src[0], &ctx->src[0], i); + r600_bytecode_src(&alu.src[1], &ctx->src[0], i); + alu.src[2].sel = V_SQ_ALU_SRC_M_1_INT; + + if (i == last_inst) + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + + /* dst = (tmp > 0 ? 1 : tmp) */ + for (i = 0; i < 4; i++) { + if (!(write_mask & (1<<i))) + continue; + + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_CNDGT_INT); + alu.is_op3 = 1; + alu.dst.write = 1; + + tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst); + + alu.src[0].sel = ctx->temp_reg; + alu.src[0].chan = i; + + alu.src[1].sel = V_SQ_ALU_SRC_1_INT; + + alu.src[2].sel = ctx->temp_reg; + alu.src[2].chan = i; + + if (i == last_inst) + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + return 0; +} + static int tgsi_ssg(struct r600_shader_ctx *ctx) @@ -3774,6 +3835,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = { {TGSI_OPCODE_UARL, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_INT, tgsi_r600_arl}, {TGSI_OPCODE_UCMP, 0, 0, tgsi_unsupported}, {TGSI_OPCODE_IABS, 0, 0, tgsi_iabs}, + {TGSI_OPCODE_ISSG, 0, 0, tgsi_issg}, {TGSI_OPCODE_LAST, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, }; @@ -3947,6 +4009,7 @@ static struct r600_shader_tgsi_instruction eg_shader_tgsi_instruction[] = { {TGSI_OPCODE_UARL, 0, EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_INT, tgsi_eg_arl}, {TGSI_OPCODE_UCMP, 0, 0, tgsi_unsupported}, {TGSI_OPCODE_IABS, 0, 0, tgsi_iabs}, + {TGSI_OPCODE_ISSG, 0, 0, tgsi_issg}, {TGSI_OPCODE_LAST, 0, EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, }; |