diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu')
-rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fp.c | 109 |
1 files changed, 93 insertions, 16 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c index 5647bb23e6..c8125a8a05 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -226,6 +226,11 @@ get_src_reg(struct codegen *gen, spe_lqd(gen->f, reg, gen->constants_reg, offset * 16); } break; + case TGSI_FILE_SAMPLER: + { + reg = 3; /* XXX total hack */ + } + break; default: assert(0); } @@ -1162,6 +1167,21 @@ print_functions(struct cell_context *cell) #endif +static uint +lookup_function(struct cell_context *cell, const char *funcname) +{ + const struct cell_spu_function_info *funcs = &cell->spu_functions; + uint i, addr = 0; + for (i = 0; i < funcs->num; i++) { + if (strcmp(funcs->names[i], funcname) == 0) { + addr = funcs->addrs[i]; + } + } + assert(addr && "spu function not found"); + return addr / 4; /* discard 2 least significant bits */ +} + + /** * Emit code to call a SPU function. * Used to implement instructions like SIN/COS/POW/TEX/etc. @@ -1171,27 +1191,12 @@ emit_function_call(struct codegen *gen, const struct tgsi_full_instruction *inst, char *funcname, uint num_args) { - const struct cell_spu_function_info *funcs = &gen->cell->spu_functions; + const uint addr = lookup_function(gen->cell, funcname); char comment[100]; - uint addr; int ch; assert(num_args <= 3); - /* lookup function address */ - { - uint i; - addr = 0; - for (i = 0; i < funcs->num; i++) { - if (strcmp(funcs->names[i], funcname) == 0) { - addr = funcs->addrs[i]; - } - } - assert(addr && "spu function not found"); - } - - addr /= 4; /* discard 2 least significant bits */ - snprintf(comment, sizeof(comment), "CALL %s:", funcname); spe_comment(gen->f, -4, comment); @@ -1245,6 +1250,72 @@ emit_function_call(struct codegen *gen, } +static boolean +emit_TXP(struct codegen *gen, const struct tgsi_full_instruction *inst) +{ + const uint addr = lookup_function(gen->cell, "spu_txp"); + int ch; + int coord_regs[4], d_regs[4]; + + spe_comment(gen->f, -4, "CALL txp:"); + + /* get src/dst reg info */ + for (ch = 0; ch < 4; ch++) { + coord_regs[ch] = get_src_reg(gen, ch, &inst->FullSrcRegisters[0]); + d_regs[ch] = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + } + + { + ubyte usedRegs[SPE_NUM_REGS]; + uint i, numUsed; + + numUsed = spe_get_registers_used(gen->f, usedRegs); + assert(numUsed < gen->frame_size / 16 - 32); + + /* save registers to stack */ + for (i = 0; i < numUsed; i++) { + uint reg = usedRegs[i]; + int offset = 2 + i; + spe_stqd(gen->f, reg, SPE_REG_SP, 16 * offset); + } + + /* setup function arguments */ + for (i = 0; i < 4; i++) { + spe_move(gen->f, 3 + i, coord_regs[i]); + } + + /* branch to function, save return addr */ + spe_brasl(gen->f, SPE_REG_RA, addr); + + /* save function's return values (four pixel's colors) */ + for (i = 0; i < 4; i++) { + spe_move(gen->f, d_regs[i], 3 + i); + } + + /* restore registers from stack */ + for (i = 0; i < numUsed; i++) { + uint reg = usedRegs[i]; + if (reg != d_regs[0] && + reg != d_regs[1] && + reg != d_regs[2] && + reg != d_regs[3]) { + int offset = 2 + i; + spe_lqd(gen->f, reg, SPE_REG_SP, 16 * offset); + } + } + } + + for (ch = 0; ch < 4; ch++) { + if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) { + store_dest_reg(gen, d_regs[ch], ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + + return TRUE; +} + + /** * Emit max. See emit_SGT for comments. */ @@ -1483,6 +1554,12 @@ emit_instruction(struct codegen *gen, return emit_function_call(gen, inst, "spu_exp2", 1); case TGSI_OPCODE_LOGBASE2: return emit_function_call(gen, inst, "spu_log2", 1); + case TGSI_OPCODE_TEX: + /* fall-through for now */ + case TGSI_OPCODE_TXD: + /* fall-through for now */ + case TGSI_OPCODE_TXP: + return emit_TXP(gen, inst); case TGSI_OPCODE_IF: return emit_IF(gen, inst); |