diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 121 |
1 files changed, 93 insertions, 28 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index b0931a3a851..e3b832b04f7 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -4490,44 +4490,109 @@ static int egcm_int_to_double(struct r600_shader_ctx *ctx) { struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; struct r600_bytecode_alu alu; - int i, r; - int lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask); + int i, c, r; + int write_mask = inst->Dst[0].Register.WriteMask; + int temp_reg = r600_get_temp(ctx); assert(inst->Instruction.Opcode == TGSI_OPCODE_I2D || inst->Instruction.Opcode == TGSI_OPCODE_U2D); - for (i = 0; i <= (lasti+1)/2; i++) { - memset(&alu, 0, sizeof(struct r600_bytecode_alu)); - alu.op = ctx->inst_info->op; - - r600_bytecode_src(&alu.src[0], &ctx->src[0], i); - alu.dst.sel = ctx->temp_reg; - alu.dst.chan = i; - alu.dst.write = 1; - alu.last = 1; + for (c = 0; c < 2; c++) { + int dchan = c * 2; + if (write_mask & (0x3 << dchan)) { + /* split into 24-bit int and 8-bit int */ + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = ALU_OP2_AND_INT; + alu.dst.sel = temp_reg; + alu.dst.chan = dchan; + r600_bytecode_src(&alu.src[0], &ctx->src[0], c); + alu.src[1].sel = V_SQ_ALU_SRC_LITERAL; + alu.src[1].value = 0xffffff00; + alu.dst.write = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; - r = r600_bytecode_add_alu(ctx->bc, &alu); - if (r) - return r; + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = ALU_OP2_AND_INT; + alu.dst.sel = temp_reg; + alu.dst.chan = dchan + 1; + r600_bytecode_src(&alu.src[0], &ctx->src[0], c); + alu.src[1].sel = V_SQ_ALU_SRC_LITERAL; + alu.src[1].value = 0xff; + alu.dst.write = 1; + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } } - for (i = 0; i <= lasti; i++) { - memset(&alu, 0, sizeof(struct r600_bytecode_alu)); - alu.op = ALU_OP1_FLT32_TO_FLT64; + for (c = 0; c < 2; c++) { + int dchan = c * 2; + if (write_mask & (0x3 << dchan)) { + for (i = dchan; i <= dchan + 1; i++) { + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = i == dchan ? ctx->inst_info->op : ALU_OP1_UINT_TO_FLT; - alu.src[0].chan = i/2; - if (i%2 == 0) - alu.src[0].sel = ctx->temp_reg; - else { - alu.src[0].sel = V_SQ_ALU_SRC_LITERAL; - alu.src[0].value = 0x0; + alu.src[0].sel = temp_reg; + alu.src[0].chan = i; + alu.dst.sel = temp_reg; + alu.dst.chan = i; + alu.dst.write = 1; + if (ctx.bc->chip_class == CAYMAN) + alu.last = i == dchan + 1; + else + alu.last = 1; /* trans only ops on evergreen */ + + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } } - tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst); - alu.last = i == lasti; + } - r = r600_bytecode_add_alu(ctx->bc, &alu); - if (r) - return r; + for (c = 0; c < 2; c++) { + int dchan = c * 2; + if (write_mask & (0x3 << dchan)) { + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = ALU_OP1_FLT32_TO_FLT64; + + alu.src[0].chan = dchan + (i / 2); + if (i == 0 || i == 2) + alu.src[0].sel = temp_reg; + else { + alu.src[0].sel = V_SQ_ALU_SRC_LITERAL; + alu.src[0].value = 0x0; + } + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = i; + alu.last = i == 3; + alu.dst.write = 1; + + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + + for (i = 0; i <= 1; i++) { + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.op = ALU_OP2_ADD_64; + + alu.src[0].chan = fp64_switch(i); + alu.src[0].sel = ctx->temp_reg; + + alu.src[1].chan = fp64_switch(i + 2); + alu.src[1].sel = ctx->temp_reg; + tgsi_dst(ctx, &inst->Dst[0], dchan + i, &alu.dst); + alu.last = i == 1; + + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + } } return 0; |