#include "pipe/p_context.h" #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "pipe/p_inlines.h" #include "pipe/p_shader_tokens.h" #include "tgsi/util/tgsi_parse.h" #include "tgsi/util/tgsi_util.h" #include "nv50_context.h" #define NV50_SU_MAX_TEMP 64 #define NV50_PROGRAM_DUMP /* ARL - gallium craps itself on progs/vp/arl.txt * * MSB - Like MAD, but MUL+SUB * - Fuck it off, introduce a way to negate args for ops that * support it. * * Look into inlining IMMD for ops other than MOV (make it general?) * - Maybe even relax restrictions a bit, can't do P_RESULT + P_IMMD, * but can emit to P_TEMP first - then MOV later. NVIDIA does this * * Verify half-insns work where expected - and force disable them where they * don't work - MUL has it forcibly disabled atm as it fixes POW.. * * FUCK! watch dst==src vectors, can overwrite components that are needed. * ie. SUB R0, R0.yzxw, R0 * * MOV dst, -src * "delta" tmp, -src (0xa0000204,0xe4004780 - delta r0, -r0) * mov dst, tmp * * Things to check with renouveau: * FP attr/result assignment - how? * attrib * - 0x16bc maps vp output onto fp hpos * - 0x16c0 maps vp output onto fp col0 * result * - colr always 0-3 * - depr always 4 * 0x16bc->0x16e8 --> some binding between vp/fp regs * 0x16b8 --> VP output count * * 0x1298 --> "MOV rcol.x, fcol.y" "MOV depr, fcol.y" = 0x00000005 * "MOV rcol.x, fcol.y" = 0x00000004 * 0x19a8 --> as above but 0x00000100 and 0x00000000 * - 0x00100000 used when KIL used * 0x196c --> as above but 0x00000011 and 0x00000000 * * 0x1988 --> 0xXXNNNNNN * - XX == FP high something */ struct nv50_reg { enum { P_TEMP, P_ATTR, P_RESULT, P_CONST, P_IMMD } type; int index; int hw; int neg; }; struct nv50_pc { struct nv50_program *p; /* hw resources */ struct nv50_reg *r_temp[NV50_SU_MAX_TEMP]; /* tgsi resources */ struct nv50_reg *temp; int temp_nr; struct nv50_reg *attr; int attr_nr; struct nv50_reg *result; int result_nr; struct nv50_reg *param; int param_nr; struct nv50_reg *immd; float *immd_buf; int immd_nr; struct nv50_reg *temp_temp[16]; unsigned temp_temp_nr; }; static void alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg) { int i; if (reg->type != P_TEMP) return; if (reg->hw >= 0) { /*XXX: do this here too to catch FP temp-as-attr usage.. * not clean, but works */ if (pc->p->cfg.high_temp < (reg->hw + 1)) pc->p->cfg.high_temp = reg->hw + 1; return; } for (i = 0; i < NV50_SU_MAX_TEMP; i++) { if (!(pc->r_temp[i])) { pc->r_temp[i] = reg; reg->hw = i; if (pc->p->cfg.high_temp < (i + 1)) pc->p->cfg.high_temp = i + 1; return; } } assert(0); } static struct nv50_reg * alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst) { struct nv50_reg *r; int i; if (dst && dst->type == P_TEMP && dst->hw == -1) return dst; for (i = 0; i < NV50_SU_MAX_TEMP; i++) { if (!pc->r_temp[i]) { r = CALLOC_STRUCT(nv50_reg); r->type = P_TEMP; r->index = -1; r->hw = i; pc->r_temp[i] = r; return r; } } assert(0); return NULL; } static void free_temp(struct nv50_pc *pc, struct nv50_reg *r) { if (r->index == -1) { FREE(pc->r_temp[r->hw]); pc->r_temp[r->hw] = NULL; } } static struct nv50_reg * temp_temp(struct nv50_pc *pc) { if (pc->temp_temp_nr >= 16) assert(0); pc->temp_temp[pc->temp_temp_nr] = alloc_temp(pc, NULL); return pc->temp_temp[pc->temp_temp_nr++]; } static void kill_temp_temp(struct nv50_pc *pc) { int i; for (i = 0; i < pc->temp_temp_nr; i++) free_temp(pc, pc->temp_temp[i]); pc->temp_temp_nr = 0; } static int ctor_immd(struct nv50_pc *pc, float x, float y, float z, float w) { pc->immd_buf = realloc(pc->immd_buf, (pc->immd_nr + 1) * 4 * sizeof(float)); pc->immd_buf[(pc->immd_nr * 4) + 0] = x; pc->immd_buf[(pc->immd_nr * 4) + 1] = y; pc->immd_buf[(pc->immd_nr * 4) + 2] = z; pc->immd_buf[(pc->immd_nr * 4) + 3] = w; return pc->immd_nr++; } static struct nv50_reg * alloc_immd(struct nv50_pc *pc, float f) { struct nv50_reg *r = CALLOC_STRUCT(nv50_reg); unsigned hw; hw = ctor_immd(pc, f, 0, 0, 0) * 4; r->type = P_IMMD; r->hw = hw; r->index = -1; return r; } static struct nv50_program_exec * exec(struct nv50_pc *pc) { struct nv50_program_exec *e = CALLOC_STRUCT(nv50_program_exec); e->param.index = -1; return e; } static void emit(struct nv50_pc *pc, struct nv50_program_exec *e) { struct nv50_program *p = pc->p; if (p->exec_tail) p->exec_tail->next = e; if (!p->exec_head) p->exec_head = e; p->exec_tail = e; p->exec_size += (e->inst[0] & 1) ? 2 : 1; } static INLINE void set_long(struct nv50_pc *, struct nv50_program_exec *); static boolean is_long(struct nv50_program_exec *e) { if (e->inst[0] & 1) return TRUE; return FALSE; } static boolean is_immd(struct nv50_program_exec *e) { if (is_long(e) && (e->inst[1] & 3) == 3) return TRUE; return FALSE; } static INLINE void set_pred(struct nv50_pc *pc, unsigned pred, unsigned idx, struct nv50_program_exec *e) { set_long(pc, e); e->inst[1] &= ~((0x1f << 7) | (0x3 << 12)); e->inst[1] |= (pred << 7) | (idx << 12); } static INLINE void set_pred_wr(struct nv50_pc *pc, unsigned on, unsigned idx, struct nv50_program_exec *e) { set_long(pc, e); e->inst[1] &= ~((0x3 << 4) | (1 << 6)); e->inst[1] |= (idx << 4) | (on << 6); } static INLINE void set_long(struct nv50_pc *pc, struct nv50_program_exec *e) { if (is_long(e)) return; e->inst[0] |= 1; set_pred(pc, 0xf, 0, e); set_pred_wr(pc, 0, 0, e); } static INLINE void set_dst(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_program_exec *e) { if (dst->type == P_RESULT) { set_long(pc, e); e->inst[1] |= 0x00000008; } alloc_reg(pc, dst); e->inst[0] |= (dst->hw << 2); } static INLINE void set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e) { unsigned val = fui(pc->immd_buf[imm->hw]); /* XXX */ set_long(pc, e); /*XXX: can't be predicated - bits overlap.. catch cases where both * are required and avoid them. */ set_pred(pc, 0, 0, e); set_pred_wr(pc, 0, 0, e); e->inst[1] |= 0x00000002 | 0x00000001; e->inst[0] |= (val & 0x3f) << 16; e->inst[1] |= (val >> 6) << 2; } static void emit_interp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src, struct nv50_reg *iv, boolean noperspective) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0x80000000; set_dst(pc, dst, e); alloc_reg(pc, iv); e->inst[0] |= (iv->hw << 9); alloc_reg(pc, src); e->inst[0] |= (src->hw << 16); if (noperspective) e->inst[0] |= (1 << 25); emit(pc, e); } static void set_data(struct nv50_pc *pc, struct nv50_reg *src, unsigned m, unsigned s, struct nv50_program_exec *e) { set_long(pc, e); #if 1 e->inst[1] |= (1 << 22); #else if (src->type == P_IMMD) { e->inst[1] |= (NV50_CB_PMISC << 22); } else { if (pc->p->type == PIPE_SHADER_VERTEX) e->inst[1] |= (NV50_CB_PVP << 22); else e->inst[1] |= (NV50_CB_PFP << 22); } #endif e->param.index = src->hw; e->param.shift = s; e->param.mask = m << (s % 32); } static void emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0x10000000; set_dst(pc, dst, e); if (dst->type != P_RESULT && src->type == P_IMMD) { set_immd(pc, src, e); /*XXX: 32-bit, but steals part of "half" reg space - need to * catch and handle this case if/when we do half-regs */ e->inst[0] |= 0x00008000; } else if (src->type == P_IMMD || src->type == P_CONST) { set_long(pc, e); set_data(pc, src, 0x7f, 9, e); e->inst[1] |= 0x20000000; /* src0 const? */ } else { if (src->type == P_ATTR) { set_long(pc, e); e->inst[1] |= 0x00200000; } alloc_reg(pc, src); e->inst[0] |= (src->hw << 9); } /* We really should support "half" instructions here at some point, * but I don't feel confident enough about them yet. */ set_long(pc, e); if (is_long(e) && !is_immd(e)) { e->inst[1] |= 0x04000000; /* 32-bit */ e->inst[1] |= 0x0003c000; /* "subsubop" 0xf == mov */ } emit(pc, e); } static boolean check_swap_src_0_1(struct nv50_pc *pc, struct nv50_reg **s0, struct nv50_reg **s1) { struct nv50_reg *src0 = *s0, *src1 = *s1; if (src0->type == P_CONST) { if (src1->type != P_CONST) { *s0 = src1; *s1 = src0; return TRUE; } } else if (src1->type == P_ATTR) { if (src0->type != P_ATTR) { *s0 = src1; *s1 = src0; return TRUE; } } return FALSE; } static void set_src_0(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) { if (src->type == P_ATTR) { set_long(pc, e); e->inst[1] |= 0x00200000; } else if (src->type == P_CONST || src->type == P_IMMD) { struct nv50_reg *temp = temp_temp(pc); emit_mov(pc, temp, src); src = temp; } alloc_reg(pc, src); e->inst[0] |= (src->hw << 9); } static void set_src_1(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) { if (src->type == P_ATTR) { struct nv50_reg *temp = temp_temp(pc); emit_mov(pc, temp, src); src = temp; } else if (src->type == P_CONST || src->type == P_IMMD) { assert(!(e->inst[0] & 0x00800000)); if (e->inst[0] & 0x01000000) { struct nv50_reg *temp = temp_temp(pc); emit_mov(pc, temp, src); src = temp; } else { set_data(pc, src, 0x7f, 16, e); e->inst[0] |= 0x00800000; } } alloc_reg(pc, src); e->inst[0] |= (src->hw << 16); } static void set_src_2(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) { set_long(pc, e); if (src->type == P_ATTR) { struct nv50_reg *temp = temp_temp(pc); emit_mov(pc, temp, src); src = temp; } else if (src->type == P_CONST || src->type == P_IMMD) { assert(!(e->inst[0] & 0x01000000)); if (e->inst[0] & 0x00800000) { struct nv50_reg *temp = temp_temp(pc); emit_mov(pc, temp, src); src = temp; } else { set_data(pc, src, 0x7f, 32+14, e); e->inst[0] |= 0x01000000; } } alloc_reg(pc, src); e->inst[1] |= (src->hw << 14); } static void emit_mul(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xc0000000; set_long(pc, e); check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); set_src_0(pc, src0, e); set_src_1(pc, src1, e); emit(pc, e); } static void emit_add(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xb0000000; check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); set_src_0(pc, src0, e); if (is_long(e)) set_src_2(pc, src1, e); else set_src_1(pc, src1, e); emit(pc, e); } static void emit_minmax(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { struct nv50_program_exec *e = exec(pc); set_long(pc, e); e->inst[0] |= 0xb0000000; e->inst[1] |= (sub << 29); check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); set_src_0(pc, src0, e); set_src_1(pc, src1, e); emit(pc, e); } static void emit_sub(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xb0000000; set_long(pc, e); if (check_swap_src_0_1(pc, &src0, &src1)) e->inst[1] |= 0x04000000; else e->inst[1] |= 0x08000000; set_dst(pc, dst, e); set_src_0(pc, src0, e); set_src_2(pc, src1, e); emit(pc, e); } static void emit_mad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1, struct nv50_reg *src2) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xe0000000; check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); set_src_0(pc, src0, e); set_src_1(pc, src1, e); set_src_2(pc, src2, e); emit(pc, e); } static void emit_msb(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1, struct nv50_reg *src2) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xe0000000; set_long(pc, e); e->inst[1] |= 0x08000000; /* src0 * src1 - src2 */ check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); set_src_0(pc, src0, e); set_src_1(pc, src1, e); set_src_2(pc, src2, e); emit(pc, e); } static void emit_flop(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0x90000000; if (sub) { set_long(pc, e); e->inst[1] |= (sub << 29); } set_dst(pc, dst, e); set_src_0(pc, src, e); emit(pc, e); } static void emit_preex2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xb0000000; set_dst(pc, dst, e); set_src_0(pc, src, e); set_long(pc, e); e->inst[1] |= (6 << 29) | 0x00004000; emit(pc, e); } static void emit_precossin(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0xb0000000; set_dst(pc, dst, e); set_src_0(pc, src, e); set_long(pc, e); e->inst[1] |= (6 << 29); emit(pc, e); } static void emit_set(struct nv50_pc *pc, unsigned c_op, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { struct nv50_program_exec *e = exec(pc); unsigned inv_cop[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; struct nv50_reg *rdst; assert(c_op <= 7); if (check_swap_src_0_1(pc, &src0, &src1)) c_op = inv_cop[c_op]; rdst = dst; if (dst->type != P_TEMP) dst = alloc_temp(pc, NULL); /* set.u32 */ set_long(pc, e); e->inst[0] |= 0xb0000000; e->inst[1] |= (3 << 29); e->inst[1] |= (c_op << 14); /*XXX: breaks things, .u32 by default? * decuda will disasm as .u16 and use .lo/.hi regs, but this * doesn't seem to match what the hw actually does. inst[1] |= 0x04000000; << breaks things.. .u32 by default? */ set_dst(pc, dst, e); set_src_0(pc, src0, e); set_src_1(pc, src1, e); emit(pc, e); /* cvt.f32.u32 */ e = exec(pc); e->inst[0] = 0xa0000001; e->inst[1] = 0x64014780; set_dst(pc, rdst, e); set_src_0(pc, dst, e); emit(pc, e); if (dst != rdst) free_temp(pc, dst); } static void emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); e->inst[0] = 0xa0000000; /* cvt */ set_long(pc, e); e->inst[1] |= (6 << 29); /* cvt */ e->inst[1] |= 0x08000000; /* integer mode */ e->inst[1] |= 0x04000000; /* 32 bit */ e->inst[1] |= ((0x1 << 3)) << 14; /* .rn */ e->inst[1] |= (1 << 14); /* src .f32 */ set_dst(pc, dst, e); set_src_0(pc, src, e); emit(pc, e); } static void emit_pow(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *v, struct nv50_reg *e) { struct nv50_reg *temp = alloc_temp(pc, NULL); emit_flop(pc, 3, temp, v); emit_mul(pc, temp, temp, e); emit_preex2(pc, temp, temp); emit_flop(pc, 6, dst, temp); free_temp(pc, temp); } static void emit_abs(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); e->inst[0] = 0xa0000000; /* cvt */ set_long(pc, e); e->inst[1] |= (6 << 29); /* cvt */ e->inst[1] |= 0x04000000; /* 32 bit */ e->inst[1] |= (1 << 14); /* src .f32 */ e->inst[1] |= ((1 << 6) << 14); /* .abs */ set_dst(pc, dst, e); set_src_0(pc, src, e); emit(pc, e); } static void emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, struct nv50_reg **src) { struct nv50_reg *one = alloc_immd(pc, 1.0); struct nv50_reg *zero = alloc_immd(pc, 0.0); struct nv50_reg *neg128 = alloc_immd(pc, -127.999999); struct nv50_reg *pos128 = alloc_immd(pc, 127.999999); struct nv50_reg *tmp[4]; if (mask & (1 << 0)) emit_mov(pc, dst[0], one); if (mask & (1 << 3)) emit_mov(pc, dst[3], one); if (mask & (3 << 1)) { if (mask & (1 << 1)) tmp[0] = dst[1]; else tmp[0] = temp_temp(pc); emit_minmax(pc, 4, tmp[0], src[0], zero); } if (mask & (1 << 2)) { set_pred_wr(pc, 1, 0, pc->p->exec_tail); tmp[1] = temp_temp(pc); emit_minmax(pc, 4, tmp[1], src[1], zero); tmp[3] = temp_temp(pc); emit_minmax(pc, 4, tmp[3], src[3], neg128); emit_minmax(pc, 5, tmp[3], tmp[3], pos128); emit_pow(pc, dst[2], tmp[1], tmp[3]); emit_mov(pc, dst[2], zero); set_pred(pc, 3, 0, pc->p->exec_tail); } } static void emit_neg(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); set_long(pc, e); e->inst[0] |= 0xa0000000; /* delta */ e->inst[1] |= (7 << 29); /* delta */ e->inst[1] |= 0x04000000; /* negate arg0? probably not */ e->inst[1] |= (1 << 14); /* src .f32 */ set_dst(pc, dst, e); set_src_0(pc, src, e); emit(pc, e); } static struct nv50_reg * tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst) { switch (dst->DstRegister.File) { case TGSI_FILE_TEMPORARY: return &pc->temp[dst->DstRegister.Index * 4 + c]; case TGSI_FILE_OUTPUT: return &pc->result[dst->DstRegister.Index * 4 + c]; case TGSI_FILE_NULL: return NULL; default: break; } return NULL; } static struct nv50_reg * tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src) { struct nv50_reg *r = NULL; struct nv50_reg *temp; unsigned c; c = tgsi_util_get_full_src_register_extswizzle(src, chan); switch (c) { case TGSI_EXTSWIZZLE_X: case TGSI_EXTSWIZZLE_Y: case TGSI_EXTSWIZZLE_Z: case TGSI_EXTSWIZZLE_W: switch (src->SrcRegister.File) { case TGSI_FILE_INPUT: r = &pc->attr[src->SrcRegister.Index * 4 + c]; break; case TGSI_FILE_TEMPORARY: r = &pc->temp[src->SrcRegister.Index * 4 + c]; break; case TGSI_FILE_CONSTANT: r = &pc->param[src->SrcRegister.Index * 4 + c]; break; case TGSI_FILE_IMMEDIATE: r = &pc->immd[src->SrcRegister.Index * 4 + c]; break; default: assert(0); break; } break; case TGSI_EXTSWIZZLE_ZERO: r = alloc_immd(pc, 0.0); break; case TGSI_EXTSWIZZLE_ONE: r = alloc_immd(pc, 1.0); break; default: assert(0); break; } switch (tgsi_util_get_full_src_register_sign_mode(src, chan)) { case TGSI_UTIL_SIGN_KEEP: break; case TGSI_UTIL_SIGN_CLEAR: temp = temp_temp(pc); emit_abs(pc, temp, r); r = temp; break; case TGSI_UTIL_SIGN_TOGGLE: temp = temp_temp(pc); emit_neg(pc, temp, r); r = temp; break; case TGSI_UTIL_SIGN_SET: temp = temp_temp(pc); emit_abs(pc, temp, r); emit_neg(pc, temp, r); r = temp; break; default: assert(0); break; } return r; } static boolean nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) { const struct tgsi_full_instruction *inst = &tok->FullInstruction; struct nv50_reg *rdst[4], *dst[4], *src[3][4], *temp; unsigned mask, sat; int i, c; NOUVEAU_ERR("insn %p\n", tok); mask = inst->FullDstRegisters[0].DstRegister.WriteMask; sat = inst->Instruction.Saturate == TGSI_SAT_ZERO_ONE; for (c = 0; c < 4; c++) { if (mask & (1 << c)) dst[c] = tgsi_dst(pc, c, &inst->FullDstRegisters[0]); else dst[c] = NULL; } for (i = 0; i < inst->Instruction.NumSrcRegs; i++) { for (c = 0; c < 4; c++) src[i][c] = tgsi_src(pc, c, &inst->FullSrcRegisters[i]); } if (sat) { for (c = 0; c < 4; c++) { rdst[c] = dst[c]; dst[c] = temp_temp(pc); } } switch (inst->Instruction.Opcode) { case TGSI_OPCODE_ABS: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_abs(pc, dst[c], src[0][c]); } break; case TGSI_OPCODE_ADD: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_add(pc, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_COS: temp = alloc_temp(pc, NULL); emit_precossin(pc, temp, src[0][0]); emit_flop(pc, 5, temp, temp); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } break; case TGSI_OPCODE_DP3: temp = alloc_temp(pc, NULL); emit_mul(pc, temp, src[0][0], src[1][0]); emit_mad(pc, temp, src[0][1], src[1][1], temp); emit_mad(pc, temp, src[0][2], src[1][2], temp); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } free_temp(pc, temp); break; case TGSI_OPCODE_DP4: temp = alloc_temp(pc, NULL); emit_mul(pc, temp, src[0][0], src[1][0]); emit_mad(pc, temp, src[0][1], src[1][1], temp); emit_mad(pc, temp, src[0][2], src[1][2], temp); emit_mad(pc, temp, src[0][3], src[1][3], temp); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } free_temp(pc, temp); break; case TGSI_OPCODE_DPH: temp = alloc_temp(pc, NULL); emit_mul(pc, temp, src[0][0], src[1][0]); emit_mad(pc, temp, src[0][1], src[1][1], temp); emit_mad(pc, temp, src[0][2], src[1][2], temp); emit_add(pc, temp, src[1][3], temp); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } free_temp(pc, temp); break; case TGSI_OPCODE_DST: { struct nv50_reg *one = alloc_immd(pc, 1.0); if (mask & (1 << 0)) emit_mov(pc, dst[0], one); if (mask & (1 << 1)) emit_mul(pc, dst[1], src[0][1], src[1][1]); if (mask & (1 << 2)) emit_mov(pc, dst[2], src[0][2]); if (mask & (1 << 3)) emit_mov(pc, dst[3], src[1][3]); FREE(one); } break; case TGSI_OPCODE_EX2: temp = alloc_temp(pc, NULL); emit_preex2(pc, temp, src[0][0]); emit_flop(pc, 6, temp, temp); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } free_temp(pc, temp); break; case TGSI_OPCODE_FLR: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_flr(pc, dst[c], src[0][c]); } break; case TGSI_OPCODE_FRC: temp = alloc_temp(pc, NULL); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_flr(pc, temp, src[0][c]); emit_sub(pc, dst[c], src[0][c], temp); } free_temp(pc, temp); break; case TGSI_OPCODE_LIT: emit_lit(pc, &dst[0], mask, &src[0][0]); break; case TGSI_OPCODE_LG2: temp = alloc_temp(pc, NULL); emit_flop(pc, 3, temp, src[0][0]); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } break; case TGSI_OPCODE_LRP: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; /*XXX: we can do better than this */ temp = alloc_temp(pc, NULL); emit_neg(pc, temp, src[0][c]); emit_mad(pc, temp, temp, src[2][c], src[2][c]); emit_mad(pc, dst[c], src[0][c], src[1][c], temp); free_temp(pc, temp); } break; case TGSI_OPCODE_MAD: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mad(pc, dst[c], src[0][c], src[1][c], src[2][c]); } break; case TGSI_OPCODE_MAX: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_minmax(pc, 4, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_MIN: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_minmax(pc, 5, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_MOV: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], src[0][c]); } break; case TGSI_OPCODE_MUL: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mul(pc, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_POW: temp = alloc_temp(pc, NULL); emit_pow(pc, temp, src[0][0], src[1][0]); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } free_temp(pc, temp); break; case TGSI_OPCODE_RCP: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_flop(pc, 0, dst[c], src[0][0]); } break; case TGSI_OPCODE_RSQ: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_flop(pc, 2, dst[c], src[0][0]); } break; case TGSI_OPCODE_SCS: temp = alloc_temp(pc, NULL); emit_precossin(pc, temp, src[0][0]); if (mask & (1 << 0)) emit_flop(pc, 5, dst[0], temp); if (mask & (1 << 1)) emit_flop(pc, 4, dst[1], temp); break; case TGSI_OPCODE_SGE: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_set(pc, 6, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_SIN: temp = alloc_temp(pc, NULL); emit_precossin(pc, temp, src[0][0]); emit_flop(pc, 4, temp, temp); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_mov(pc, dst[c], temp); } break; case TGSI_OPCODE_SLT: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_set(pc, 1, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_SUB: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_sub(pc, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_XPD: temp = alloc_temp(pc, NULL); if (mask & (1 << 0)) { emit_mul(pc, temp, src[0][2], src[1][1]); emit_msb(pc, dst[0], src[0][1], src[1][2], temp); } if (mask & (1 << 1)) { emit_mul(pc, temp, src[0][0], src[1][2]); emit_msb(pc, dst[1], src[0][2], src[1][0], temp); } if (mask & (1 << 2)) { emit_mul(pc, temp, src[0][1], src[1][0]); emit_msb(pc, dst[2], src[0][0], src[1][1], temp); } free_temp(pc, temp); break; case TGSI_OPCODE_END: break; default: NOUVEAU_ERR("invalid opcode %d\n", inst->Instruction.Opcode); return FALSE; } if (sat) { for (c = 0; c < 4; c++) { struct nv50_program_exec *e; if (!(mask & (1 << c))) continue; e = exec(pc); e->inst[0] = 0xa0000000; /* cvt */ set_long(pc, e); e->inst[1] |= (6 << 29); /* cvt */ e->inst[1] |= 0x04000000; /* 32 bit */ e->inst[1] |= (1 << 14); /* src .f32 */ e->inst[1] |= ((1 << 5) << 14); /* .sat */ set_dst(pc, rdst[c], e); set_src_0(pc, dst[c], e); emit(pc, e); } } kill_temp_temp(pc); return TRUE; } static boolean nv50_program_tx_prep(struct nv50_pc *pc) { struct tgsi_parse_context p; boolean ret = FALSE; unsigned i, c; tgsi_parse_init(&p, pc->p->pipe.tokens); while (!tgsi_parse_end_of_tokens(&p)) { const union tgsi_full_token *tok = &p.FullToken; tgsi_parse_token(&p); switch (tok->Token.Type) { case TGSI_TOKEN_TYPE_IMMEDIATE: { const struct tgsi_full_immediate *imm = &p.FullToken.FullImmediate; ctor_immd(pc, imm->u.ImmediateFloat32[0].Float, imm->u.ImmediateFloat32[1].Float, imm->u.ImmediateFloat32[2].Float, imm->u.ImmediateFloat32[3].Float); } break; case TGSI_TOKEN_TYPE_DECLARATION: { const struct tgsi_full_declaration *d; unsigned last; d = &p.FullToken.FullDeclaration; last = d->u.DeclarationRange.Last; switch (d->Declaration.File) { case TGSI_FILE_TEMPORARY: if (pc->temp_nr < (last + 1)) pc->temp_nr = last + 1; break; case TGSI_FILE_OUTPUT: if (pc->result_nr < (last + 1)) pc->result_nr = last + 1; break; case TGSI_FILE_INPUT: if (pc->attr_nr < (last + 1)) pc->attr_nr = last + 1; break; case TGSI_FILE_CONSTANT: if (pc->param_nr < (last + 1)) pc->param_nr = last + 1; break; default: NOUVEAU_ERR("bad decl file %d\n", d->Declaration.File); goto out_err; } } break; case TGSI_TOKEN_TYPE_INSTRUCTION: break; default: break; } } NOUVEAU_ERR("%d temps\n", pc->temp_nr); if (pc->temp_nr) { pc->temp = calloc(pc->temp_nr * 4, sizeof(struct nv50_reg)); if (!pc->temp) goto out_err; for (i = 0; i < pc->temp_nr; i++) { for (c = 0; c < 4; c++) { pc->temp[i*4+c].type = P_TEMP; pc->temp[i*4+c].hw = -1; pc->temp[i*4+c].index = i; } } } NOUVEAU_ERR("%d attrib regs\n", pc->attr_nr); if (pc->attr_nr) { struct nv50_reg *iv = NULL, *tmp = NULL; int aid = 0; pc->attr = calloc(pc->attr_nr * 4, sizeof(struct nv50_reg)); if (!pc->attr) goto out_err; if (pc->p->type == PIPE_SHADER_FRAGMENT) { iv = alloc_temp(pc, NULL); aid++; } for (i = 0; i < pc->attr_nr; i++) { struct nv50_reg *a = &pc->attr[i*4]; for (c = 0; c < 4; c++) { if (pc->p->type == PIPE_SHADER_FRAGMENT) { struct nv50_reg *at = alloc_temp(pc, NULL); pc->attr[i*4+c].type = at->type; pc->attr[i*4+c].hw = at->hw; pc->attr[i*4+c].index = at->index; } else { pc->p->cfg.vp.attr[aid/32] |= (1 << (aid % 32)); pc->attr[i*4+c].type = P_ATTR; pc->attr[i*4+c].hw = aid++; pc->attr[i*4+c].index = i; } } if (pc->p->type != PIPE_SHADER_FRAGMENT) continue; emit_interp(pc, iv, iv, iv, FALSE); tmp = alloc_temp(pc, NULL); emit_flop(pc, 0, tmp, iv); emit_interp(pc, &a[0], &a[0], tmp, TRUE); emit_interp(pc, &a[1], &a[1], tmp, TRUE); emit_interp(pc, &a[2], &a[2], tmp, TRUE); emit_interp(pc, &a[3], &a[3], tmp, TRUE); free_temp(pc, tmp); } if (iv) free_temp(pc, iv); } NOUVEAU_ERR("%d result regs\n", pc->result_nr); if (pc->result_nr) { int rid = 0; pc->result = calloc(pc->result_nr * 4, sizeof(struct nv50_reg)); if (!pc->result) goto out_err; for (i = 0; i < pc->result_nr; i++) { for (c = 0; c < 4; c++) { if (pc->p->type == PIPE_SHADER_FRAGMENT) { pc->result[i*4+c].type = P_TEMP; pc->result[i*4+c].hw = -1; } else { pc->result[i*4+c].type = P_RESULT; pc->result[i*4+c].hw = rid++; } pc->result[i*4+c].index = i; } } } NOUVEAU_ERR("%d param regs\n", pc->param_nr); if (pc->param_nr) { int rid = 0; pc->param = calloc(pc->param_nr * 4, sizeof(struct nv50_reg)); if (!pc->param) goto out_err; for (i = 0; i < pc->param_nr; i++) { for (c = 0; c < 4; c++) { pc->param[i*4+c].type = P_CONST; pc->param[i*4+c].hw = rid++; pc->param[i*4+c].index = i; } } } if (pc->immd_nr) { int rid = pc->param_nr * 4; pc->immd = calloc(pc->immd_nr * 4, sizeof(struct nv50_reg)); if (!pc->immd) goto out_err; for (i = 0; i < pc->immd_nr; i++) { for (c = 0; c < 4; c++) { pc->immd[i*4+c].type = P_IMMD; pc->immd[i*4+c].hw = rid++; pc->immd[i*4+c].index = i; } } } ret = TRUE; out_err: tgsi_parse_free(&p); return ret; } static boolean nv50_program_tx(struct nv50_program *p) { struct tgsi_parse_context parse; struct nv50_pc *pc; boolean ret; pc = CALLOC_STRUCT(nv50_pc); if (!pc) return FALSE; pc->p = p; pc->p->cfg.high_temp = 4; ret = nv50_program_tx_prep(pc); if (ret == FALSE) goto out_cleanup; tgsi_parse_init(&parse, pc->p->pipe.tokens); while (!tgsi_parse_end_of_tokens(&parse)) { const union tgsi_full_token *tok = &parse.FullToken; tgsi_parse_token(&parse); switch (tok->Token.Type) { case TGSI_TOKEN_TYPE_INSTRUCTION: ret = nv50_program_tx_insn(pc, tok); if (ret == FALSE) goto out_err; break; default: break; } } if (p->type == PIPE_SHADER_FRAGMENT) { struct nv50_reg out; out.type = P_TEMP; for (out.hw = 0; out.hw < pc->result_nr * 4; out.hw++) emit_mov(pc, &out, &pc->result[out.hw]); } assert(is_long(pc->p->exec_tail) && !is_immd(pc->p->exec_head)); pc->p->exec_tail->inst[1] |= 0x00000001; p->param_nr = pc->param_nr * 4; p->immd_nr = pc->immd_nr * 4; p->immd = pc->immd_buf; out_err: tgsi_parse_free(&parse); out_cleanup: return ret; } static void nv50_program_validate(struct nv50_context *nv50, struct nv50_program *p) { if (nv50_program_tx(p) == FALSE) assert(0); p->translated = TRUE; } static void nv50_program_upload_data(struct nv50_context *nv50, float *map, unsigned start, unsigned count) { while (count) { unsigned nr = count > 2047 ? 2047 : count; BEGIN_RING(tesla, 0x00000f00, 1); OUT_RING ((NV50_CB_PMISC << 0) | (start << 8)); BEGIN_RING(tesla, 0x40000f04, nr); OUT_RINGp (map, nr); map += nr; start += nr; count -= nr; } } static void nv50_program_validate_data(struct nv50_context *nv50, struct nv50_program *p) { struct nouveau_winsys *nvws = nv50->screen->nvws; struct pipe_winsys *ws = nv50->pipe.winsys; unsigned nr = p->param_nr + p->immd_nr; if (!p->data && nr) { struct nouveau_resource *heap = nv50->screen->vp_data_heap; if (nvws->res_alloc(heap, nr, p, &p->data)) { while (heap->next && heap->size < nr) { struct nv50_program *evict = heap->next->priv; nvws->res_free(&evict->data); } if (nvws->res_alloc(heap, nr, p, &p->data)) assert(0); } } if (p->param_nr) { float *map = ws->buffer_map(ws, nv50->constbuf[p->type], PIPE_BUFFER_USAGE_CPU_READ); nv50_program_upload_data(nv50, map, p->data->start, p->param_nr); ws->buffer_unmap(ws, nv50->constbuf[p->type]); } if (p->immd_nr) { nv50_program_upload_data(nv50, p->immd, p->data->start + p->param_nr, p->immd_nr); } } static void nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p) { struct pipe_winsys *ws = nv50->pipe.winsys; struct nv50_program_exec *e; unsigned *map; if (!p->buffer) p->buffer = ws->buffer_create(ws, 0x100, 0, p->exec_size * 4); if (p->data && p->data->start != p->data_start) { for (e = p->exec_head; e; e = e->next) { unsigned ei, ci; if (e->param.index < 0) continue; ei = e->param.shift >> 5; ci = e->param.index + p->data->start; e->inst[ei] &= ~e->param.mask; e->inst[ei] |= (ci << e->param.shift); } p->data_start = p->data->start; } map = ws->buffer_map(ws, p->buffer, PIPE_BUFFER_USAGE_CPU_WRITE); for (e = p->exec_head; e; e = e->next) { #ifdef NV50_PROGRAM_DUMP NOUVEAU_ERR("0x%08x\n", e->inst[0]); #endif *(map++) = e->inst[0]; if (is_long(e)) { #ifdef NV50_PROGRAM_DUMP NOUVEAU_ERR("0x%08x\n", e->inst[1]); #endif *(map++) = e->inst[1]; } } ws->buffer_unmap(ws, p->buffer); } void nv50_vertprog_validate(struct nv50_context *nv50) { struct nouveau_grobj *tesla = nv50->screen->tesla; struct nv50_program *p = nv50->vertprog; struct nouveau_stateobj *so; if (!p->translated) { nv50_program_validate(nv50, p); if (!p->translated) assert(0); } nv50_program_validate_data(nv50, p); nv50_program_validate_code(nv50, p); so = so_new(11, 2); so_method(so, tesla, NV50TCL_VP_ADDRESS_HIGH, 2); so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0); so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0); so_method(so, tesla, 0x1650, 2); so_data (so, p->cfg.vp.attr[0]); so_data (so, p->cfg.vp.attr[1]); so_method(so, tesla, 0x16ac, 2); so_data (so, 8); so_data (so, p->cfg.high_temp); so_method(so, tesla, 0x140c, 1); so_data (so, 0); /* program start offset */ so_emit(nv50->screen->nvws, so); so_ref(NULL, &so); } void nv50_fragprog_validate(struct nv50_context *nv50) { struct nouveau_grobj *tesla = nv50->screen->tesla; struct nv50_program *p = nv50->fragprog; struct nouveau_stateobj *so; if (!p->translated) { nv50_program_validate(nv50, p); if (!p->translated) assert(0); } nv50_program_validate_data(nv50, p); nv50_program_validate_code(nv50, p); so = so_new(64, 2); so_method(so, tesla, NV50TCL_FP_ADDRESS_HIGH, 2); so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0); so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0); so_method(so, tesla, 0x1904, 4); so_data (so, 0x01040404); /* p: 0x01000404 */ so_data (so, 0x00000004); so_data (so, 0x00000000); so_data (so, 0x00000000); so_method(so, tesla, 0x16bc, 2); /*XXX: fixme */ so_data (so, 0x03020100); so_data (so, 0x07060504); so_method(so, tesla, 0x1988, 2); so_data (so, 0x08040404); /* p: 0x0f000401 */ so_data (so, p->cfg.high_temp); so_method(so, tesla, 0x1414, 1); so_data (so, 0); /* program start offset */ so_emit(nv50->screen->nvws, so); so_ref(NULL, &so); } void nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p) { struct pipe_winsys *ws = nv50->pipe.winsys; while (p->exec_head) { struct nv50_program_exec *e = p->exec_head; p->exec_head = e->next; FREE(e); } p->exec_tail = NULL; p->exec_size = 0; if (p->buffer) pipe_buffer_reference(ws, &p->buffer, NULL); p->translated = 0; }