diff options
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 284eeead3e4..8d117c1cb5f 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -666,6 +666,101 @@ static int select_twoside_color(struct r600_shader_ctx *ctx, int front, int back return 0; } +/* execute a single slot ALU calculation */ +static int single_alu_op2(struct r600_shader_ctx *ctx, int op, + int dst_sel, int dst_chan, + int src0_sel, unsigned src0_chan_val, + int src1_sel, unsigned src1_chan_val) +{ + struct r600_bytecode_alu alu; + int r, i; + + if (ctx->bc->chip_class == CAYMAN && op == ALU_OP2_MULLO_INT) { + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = op; + alu.src[0].sel = src0_sel; + if (src0_sel == V_SQ_ALU_SRC_LITERAL) + alu.src[0].value = src0_chan_val; + else + alu.src[0].chan = src0_chan_val; + alu.src[1].sel = src1_sel; + if (src1_sel == V_SQ_ALU_SRC_LITERAL) + alu.src[1].value = src1_chan_val; + else + alu.src[1].chan = src1_chan_val; + alu.dst.sel = dst_sel; + alu.dst.chan = i; + alu.dst.write = i == dst_chan; + alu.last = (i == 3); + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + return 0; + } + + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = op; + alu.src[0].sel = src0_sel; + if (src0_sel == V_SQ_ALU_SRC_LITERAL) + alu.src[0].value = src0_chan_val; + else + alu.src[0].chan = src0_chan_val; + alu.src[1].sel = src1_sel; + if (src1_sel == V_SQ_ALU_SRC_LITERAL) + alu.src[1].value = src1_chan_val; + else + alu.src[1].chan = src1_chan_val; + alu.dst.sel = dst_sel; + alu.dst.chan = dst_chan; + alu.dst.write = 1; + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + return 0; +} + +/* execute a single slot ALU calculation */ +static int single_alu_op3(struct r600_shader_ctx *ctx, int op, + int dst_sel, int dst_chan, + int src0_sel, unsigned src0_chan_val, + int src1_sel, unsigned src1_chan_val, + int src2_sel, unsigned src2_chan_val) +{ + struct r600_bytecode_alu alu; + int r; + + /* validate this for other ops */ + assert(op == ALU_OP3_MULADD_UINT24); + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = op; + alu.src[0].sel = src0_sel; + if (src0_sel == V_SQ_ALU_SRC_LITERAL) + alu.src[0].value = src0_chan_val; + else + alu.src[0].chan = src0_chan_val; + alu.src[1].sel = src1_sel; + if (src1_sel == V_SQ_ALU_SRC_LITERAL) + alu.src[1].value = src1_chan_val; + else + alu.src[1].chan = src1_chan_val; + alu.src[2].sel = src2_sel; + if (src2_sel == V_SQ_ALU_SRC_LITERAL) + alu.src[2].value = src2_chan_val; + else + alu.src[2].chan = src2_chan_val; + alu.dst.sel = dst_sel; + alu.dst.chan = dst_chan; + alu.is_op3 = 1; + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + return 0; +} + static inline int get_address_file_reg(struct r600_shader_ctx *ctx, int index) { return index > 0 ? ctx->bc->index_reg[index - 1] : ctx->bc->ar_reg; |