diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 2608 |
1 files changed, 1933 insertions, 675 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index bf50982dd1..e74a526c62 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -92,15 +92,32 @@ struct nv50_reg { int rhw; /* result hw for FP outputs, or interpolant index */ int acc; /* instruction where this reg is last read (first insn == 1) */ + + int vtx; /* vertex index, for GP inputs (TGSI Dimension.Index) */ + int indirect[2]; /* index into pc->addr, or -1 */ + + ubyte buf_index; /* c{0 .. 15}[] or g{0 .. 15}[] */ }; #define NV50_MOD_NEG 1 #define NV50_MOD_ABS 2 +#define NV50_MOD_NEG_ABS (NV50_MOD_NEG | NV50_MOD_ABS) #define NV50_MOD_SAT 4 +#define NV50_MOD_I32 8 + +/* NV50_MOD_I32 is used to indicate integer mode for neg/abs */ + +/* STACK: Conditionals and loops have to use the (per warp) stack. + * Stack entries consist of an entry type (divergent path, join at), + * a mask indicating the active threads of the warp, and an address. + * MPs can store 12 stack entries internally, if we need more (and + * we probably do), we have to create a stack buffer in VRAM. + */ +/* impose low limits for now */ +#define NV50_MAX_COND_NESTING 4 +#define NV50_MAX_LOOP_NESTING 3 -/* arbitrary limits */ -#define MAX_IF_DEPTH 4 -#define MAX_LOOP_DEPTH 4 +#define JOIN_ON(e) e; pc->p->exec_tail->inst[1] |= 2 struct nv50_pc { struct nv50_program *p; @@ -119,37 +136,49 @@ struct nv50_pc { struct nv50_reg *param; int param_nr; struct nv50_reg *immd; - float *immd_buf; + uint32_t *immd_buf; int immd_nr; struct nv50_reg **addr; int addr_nr; + struct nv50_reg *sysval; + int sysval_nr; struct nv50_reg *temp_temp[16]; + struct nv50_program_exec *temp_temp_exec[16]; unsigned temp_temp_nr; /* broadcast and destination replacement regs */ struct nv50_reg *r_brdc; struct nv50_reg *r_dst[4]; + struct nv50_reg reg_instances[16]; + unsigned reg_instance_nr; + unsigned interp_mode[32]; /* perspective interpolation registers */ struct nv50_reg *iv_p; struct nv50_reg *iv_c; - struct nv50_program_exec *if_cond; - struct nv50_program_exec *if_insn[MAX_IF_DEPTH]; - struct nv50_program_exec *br_join[MAX_IF_DEPTH]; - struct nv50_program_exec *br_loop[MAX_LOOP_DEPTH]; /* for BRK branch */ + struct nv50_program_exec *if_insn[NV50_MAX_COND_NESTING]; + struct nv50_program_exec *if_join[NV50_MAX_COND_NESTING]; + struct nv50_program_exec *loop_brka[NV50_MAX_LOOP_NESTING]; int if_lvl, loop_lvl; - unsigned loop_pos[MAX_LOOP_DEPTH]; + unsigned loop_pos[NV50_MAX_LOOP_NESTING]; + + unsigned *insn_pos; /* actual program offset of each TGSI insn */ + boolean in_subroutine; /* current instruction and total number of insns */ unsigned insn_cur; unsigned insn_nr; boolean allow32; + + uint8_t edgeflag_out; }; +static struct nv50_reg *get_address_reg(struct nv50_pc *, struct nv50_reg *); + static INLINE void ctor_reg(struct nv50_reg *reg, unsigned type, int index, int hw) { @@ -158,7 +187,10 @@ ctor_reg(struct nv50_reg *reg, unsigned type, int index, int hw) reg->hw = hw; reg->mod = 0; reg->rhw = -1; + reg->vtx = -1; reg->acc = 0; + reg->indirect[0] = reg->indirect[1] = -1; + reg->buf_index = (type == P_CONST) ? 1 : 0; } static INLINE unsigned @@ -177,7 +209,7 @@ terminate_mbb(struct nv50_pc *pc) /* remove records of temporary address register values */ for (i = 0; i < NV50_SU_MAX_ADDR; ++i) if (pc->r_addr[i].index < 0) - pc->r_addr[i].rhw = -1; + pc->r_addr[i].acc = 0; } static void @@ -226,7 +258,24 @@ alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg) } } - assert(0); + NOUVEAU_ERR("out of registers\n"); + abort(); +} + +static INLINE struct nv50_reg * +reg_instance(struct nv50_pc *pc, struct nv50_reg *reg) +{ + struct nv50_reg *ri; + + assert(pc->reg_instance_nr < 16); + ri = &pc->reg_instances[pc->reg_instance_nr++]; + if (reg) { + alloc_reg(pc, reg); + *ri = *reg; + reg->indirect[0] = reg->indirect[1] = -1; + reg->mod = 0; + } + return ri; } /* XXX: For shaders that aren't executed linearly (e.g. shaders that @@ -251,26 +300,11 @@ alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst) } } - assert(0); + NOUVEAU_ERR("out of registers\n"); + abort(); return NULL; } -/* Assign the hw of the discarded temporary register src - * to the tgsi register dst and free src. - */ -static void -assimilate_temp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) -{ - assert(src->index == -1 && src->hw != -1); - - if (dst->hw != -1) - pc->r_temp[dst->hw] = NULL; - pc->r_temp[src->hw] = dst; - dst->hw = src->hw; - - FREE(src); -} - /* release the hardware resource held by r */ static void release_hw(struct nv50_pc *pc, struct nv50_reg *r) @@ -329,38 +363,53 @@ free_temp4(struct nv50_pc *pc, struct nv50_reg *reg[4]) } static struct nv50_reg * -temp_temp(struct nv50_pc *pc) +temp_temp(struct nv50_pc *pc, struct nv50_program_exec *e) { if (pc->temp_temp_nr >= 16) assert(0); pc->temp_temp[pc->temp_temp_nr] = alloc_temp(pc, NULL); + pc->temp_temp_exec[pc->temp_temp_nr] = e; return pc->temp_temp[pc->temp_temp_nr++]; } +/* This *must* be called for all nv50_program_exec that have been + * given as argument to temp_temp, or the temps will be leaked ! + */ static void -kill_temp_temp(struct nv50_pc *pc) +kill_temp_temp(struct nv50_pc *pc, struct nv50_program_exec *e) { int i; - + for (i = 0; i < pc->temp_temp_nr; i++) - free_temp(pc, pc->temp_temp[i]); - pc->temp_temp_nr = 0; + if (pc->temp_temp_exec[i] == e) + free_temp(pc, pc->temp_temp[i]); + if (!e) + pc->temp_temp_nr = 0; } static int -ctor_immd(struct nv50_pc *pc, float x, float y, float z, float w) +ctor_immd_4u32(struct nv50_pc *pc, + uint32_t x, uint32_t y, uint32_t z, uint32_t w) { - pc->immd_buf = REALLOC(pc->immd_buf, (pc->immd_nr * 4 * sizeof(float)), - (pc->immd_nr + 1) * 4 * sizeof(float)); + unsigned size = pc->immd_nr * 4 * sizeof(uint32_t); + + pc->immd_buf = REALLOC(pc->immd_buf, size, size + 4 * sizeof(uint32_t)); + 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 INLINE int +ctor_immd_4f32(struct nv50_pc *pc, float x, float y, float z, float w) +{ + return ctor_immd_4u32(pc, fui(x), fui(y), fui(z), fui(w)); +} + static struct nv50_reg * alloc_immd(struct nv50_pc *pc, float f) { @@ -368,11 +417,11 @@ alloc_immd(struct nv50_pc *pc, float f) unsigned hw; for (hw = 0; hw < pc->immd_nr * 4; hw++) - if (pc->immd_buf[hw] == f) + if (pc->immd_buf[hw] == fui(f)) break; if (hw == pc->immd_nr * 4) - hw = ctor_immd(pc, f, -f, 0.5 * f, 0) * 4; + hw = ctor_immd_4f32(pc, f, -f, 0.5 * f, 0) * 4; ctor_reg(r, P_IMMD, -1, hw); return r; @@ -398,6 +447,8 @@ emit(struct nv50_pc *pc, struct nv50_program_exec *e) p->exec_head = e; p->exec_tail = e; p->exec_size += (e->inst[0] & 1) ? 2 : 1; + + kill_temp_temp(pc, e); } static INLINE void set_long(struct nv50_pc *, struct nv50_program_exec *); @@ -418,10 +469,25 @@ is_immd(struct nv50_program_exec *e) return FALSE; } +static boolean +is_join(struct nv50_program_exec *e) +{ + if (is_long(e) && (e->inst[1] & 3) == 2) + return TRUE; + return FALSE; +} + +static INLINE boolean +is_control_flow(struct nv50_program_exec *e) +{ + return (e->inst[0] & 2); +} + static INLINE void set_pred(struct nv50_pc *pc, unsigned pred, unsigned idx, struct nv50_program_exec *e) { + assert(!is_immd(e)); set_long(pc, e); e->inst[1] &= ~((0x1f << 7) | (0x3 << 12)); e->inst[1] |= (pred << 7) | (idx << 12); @@ -464,32 +530,47 @@ set_dst(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_program_exec *e) static INLINE void set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e) { - unsigned val; - float f = pc->immd_buf[imm->hw]; - - if (imm->mod & NV50_MOD_ABS) - f = fabsf(f); - val = fui((imm->mod & NV50_MOD_NEG) ? -f : f); - set_long(pc, e); - /*XXX: can't be predicated - bits overlap.. catch cases where both - * are required and avoid them. */ + /* XXX: can't be predicated - bits overlap; cases where both + * are required should be avoided by using pc->allow32 */ 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; + e->inst[0] |= (pc->immd_buf[imm->hw] & 0x3f) << 16; + e->inst[1] |= (pc->immd_buf[imm->hw] >> 6) << 2; } static INLINE void set_addr(struct nv50_program_exec *e, struct nv50_reg *a) { + assert(a->type == P_ADDR); + assert(!(e->inst[0] & 0x0c000000)); assert(!(e->inst[1] & 0x00000004)); e->inst[0] |= (a->hw & 3) << 26; - e->inst[1] |= (a->hw >> 2) << 2; + e->inst[1] |= a->hw & 4; +} + +static void +emit_arl(struct nv50_pc *, struct nv50_reg *, struct nv50_reg *, uint8_t); + +static void +emit_shl_imm(struct nv50_pc *, struct nv50_reg *, struct nv50_reg *, int); + +static void +emit_mov_from_addr(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[1] = 0x40000000; + set_long(pc, e); + set_dst(pc, dst, e); + set_addr(e, src); + + emit(pc, e); } static void @@ -508,68 +589,6 @@ emit_add_addr_imm(struct nv50_pc *pc, struct nv50_reg *dst, emit(pc, e); } -static struct nv50_reg * -alloc_addr(struct nv50_pc *pc, struct nv50_reg *ref) -{ - int i; - struct nv50_reg *a_tgsi = NULL, *a = NULL; - - if (!ref) { - /* allocate for TGSI address reg */ - for (i = 0; i < NV50_SU_MAX_ADDR; ++i) { - if (pc->r_addr[i].index >= 0) - continue; - if (pc->r_addr[i].rhw >= 0 && - pc->r_addr[i].acc == pc->insn_cur) - continue; - - pc->r_addr[i].rhw = -1; - pc->r_addr[i].index = i; - return &pc->r_addr[i]; - } - assert(0); - return NULL; - } - - /* Allocate and set an address reg so we can access 'ref'. - * - * If and r_addr has index < 0, it is not reserved for TGSI, - * and index will be the negative of the TGSI addr index the - * value in rhw is relative to, or -256 if rhw is an offset - * from 0. If rhw < 0, the reg has not been initialized. - */ - for (i = NV50_SU_MAX_ADDR - 1; i >= 0; --i) { - if (pc->r_addr[i].index >= 0) /* occupied for TGSI */ - continue; - if (pc->r_addr[i].rhw < 0) { /* unused */ - a = &pc->r_addr[i]; - continue; - } - if (!a && pc->r_addr[i].acc != pc->insn_cur) - a = &pc->r_addr[i]; - - if (ref->hw - pc->r_addr[i].rhw >= 128) - continue; - - if ((ref->acc >= 0 && pc->r_addr[i].index == -256) || - (ref->acc < 0 && -pc->r_addr[i].index == ref->index)) { - pc->r_addr[i].acc = pc->insn_cur; - return &pc->r_addr[i]; - } - } - assert(a); - - if (ref->acc < 0) - a_tgsi = pc->addr[ref->index]; - - emit_add_addr_imm(pc, a, a_tgsi, (ref->hw & ~0x7f) * 4); - - a->rhw = ref->hw & ~0x7f; - a->acc = pc->insn_cur; - a->index = a_tgsi ? -ref->index : -256; - return a; -} - #define INTERP_LINEAR 0 #define INTERP_FLAT 1 #define INTERP_PERSPECTIVE 2 @@ -613,17 +632,18 @@ set_data(struct nv50_pc *pc, struct nv50_reg *src, unsigned m, unsigned s, e->param.shift = s; e->param.mask = m << (s % 32); - if (src->hw > 127) - set_addr(e, alloc_addr(pc, src)); + if (src->hw < 0 || src->hw > 127) /* need (additional) address reg */ + set_addr(e, get_address_reg(pc, src)); else if (src->acc < 0) { assert(src->type == P_CONST); - set_addr(e, pc->addr[src->index]); + set_addr(e, pc->addr[src->indirect[0]]); } - e->inst[1] |= (((src->type == P_IMMD) ? 0 : 1) << 22); + e->inst[1] |= (src->buf_index << 22); } +/* Never apply nv50_reg::mod in emit_mov, or carefully check the code !!! */ static void emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { @@ -644,11 +664,17 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) 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? */ + e->inst[1] |= 0x20000000; /* mov from c[] */ } else { if (src->type == P_ATTR) { set_long(pc, e); e->inst[1] |= 0x00200000; + + if (src->vtx >= 0) { + /* indirect (vertex base + c) load from p[] */ + e->inst[0] |= 0x01800000; + set_addr(e, get_address_reg(pc, src)); + } } alloc_reg(pc, src); @@ -659,9 +685,9 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) if (is_long(e) && !is_immd(e)) { e->inst[1] |= 0x04000000; /* 32-bit */ - e->inst[1] |= 0x0000c000; /* "subsubop" 0x3 */ + e->inst[1] |= 0x0000c000; /* 32-bit c[] load / lane mask 0:1 */ if (!(e->inst[1] & 0x20000000)) - e->inst[1] |= 0x00030000; /* "subsubop" 0xf */ + e->inst[1] |= 0x00030000; /* lane mask 2:3 */ } else e->inst[0] |= 0x00008000; @@ -676,6 +702,45 @@ emit_mov_immdval(struct nv50_pc *pc, struct nv50_reg *dst, float f) FREE(imm); } +/* Assign the hw of the discarded temporary register src + * to the tgsi register dst and free src. + */ +static void +assimilate_temp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) +{ + assert(src->index == -1 && src->hw != -1); + + if (pc->if_lvl || pc->loop_lvl || + (dst->type != P_TEMP) || + (src->hw < pc->result_nr * 4 && + pc->p->type == PIPE_SHADER_FRAGMENT) || + pc->p->info.opcode_count[TGSI_OPCODE_CAL] || + pc->p->info.opcode_count[TGSI_OPCODE_BRA]) { + + emit_mov(pc, dst, src); + free_temp(pc, src); + return; + } + + if (dst->hw != -1) + pc->r_temp[dst->hw] = NULL; + pc->r_temp[src->hw] = dst; + dst->hw = src->hw; + + FREE(src); +} + +static void +emit_nop(struct nv50_pc *pc) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0xf0000000; + set_long(pc, e); + e->inst[1] = 0xe0000000; + emit(pc, e); +} + static boolean check_swap_src_0_1(struct nv50_pc *pc, struct nv50_reg **s0, struct nv50_reg **s1) @@ -707,7 +772,7 @@ set_src_0_restricted(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_reg *temp; if (src->type != P_TEMP) { - temp = temp_temp(pc); + temp = temp_temp(pc, e); emit_mov(pc, temp, src); src = temp; } @@ -724,9 +789,14 @@ 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; + + if (src->vtx >= 0) { + e->inst[0] |= 0x01800000; /* src from p[] */ + set_addr(e, get_address_reg(pc, src)); + } } else if (src->type == P_CONST || src->type == P_IMMD) { - struct nv50_reg *temp = temp_temp(pc); + struct nv50_reg *temp = temp_temp(pc, e); emit_mov(pc, temp, src); src = temp; @@ -742,19 +812,19 @@ 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); + struct nv50_reg *temp = temp_temp(pc, e); 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); + if (e->inst[0] & 0x01800000) { + struct nv50_reg *temp = temp_temp(pc, e); emit_mov(pc, temp, src); src = temp; } else { + assert(!(e->inst[0] & 0x00800000)); set_data(pc, src, 0x7f, 16, e); e->inst[0] |= 0x00800000; } @@ -772,19 +842,19 @@ 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); + struct nv50_reg *temp = temp_temp(pc, e); 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); + if (e->inst[0] & 0x01800000) { + struct nv50_reg *temp = temp_temp(pc, e); emit_mov(pc, temp, src); src = temp; } else { + assert(!(e->inst[0] & 0x01000000)); set_data(pc, src, 0x7f, 32+14, e); e->inst[0] |= 0x01000000; } @@ -795,6 +865,53 @@ set_src_2(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) } static void +set_half_src(struct nv50_pc *pc, struct nv50_reg *src, int lh, + struct nv50_program_exec *e, int pos) +{ + struct nv50_reg *r = src; + + alloc_reg(pc, r); + if (r->type != P_TEMP) { + r = temp_temp(pc, e); + emit_mov(pc, r, src); + } + + if (r->hw > (NV50_SU_MAX_TEMP / 2)) { + NOUVEAU_ERR("out of low GPRs\n"); + abort(); + } + + e->inst[pos / 32] |= ((src->hw * 2) + lh) << (pos % 32); +} + +static void +emit_mov_from_pred(struct nv50_pc *pc, struct nv50_reg *dst, int pred) +{ + struct nv50_program_exec *e = exec(pc); + + assert(dst->type == P_TEMP); + e->inst[1] = 0x20000000 | (pred << 12); + set_long(pc, e); + set_dst(pc, dst, e); + + emit(pc, e); +} + +static void +emit_mov_to_pred(struct nv50_pc *pc, int pred, struct nv50_reg *src) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x000001fc; + e->inst[1] = 0xa0000008; + set_long(pc, e); + set_pred_wr(pc, 1, pred, e); + set_src_0_restricted(pc, src, e); + + emit(pc, e); +} + +static void emit_mul(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { @@ -809,7 +926,7 @@ emit_mul(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, set_dst(pc, dst, e); set_src_0(pc, src0, e); if (src1->type == P_IMMD && !is_long(e)) { - if (src0->mod & NV50_MOD_NEG) + if (src0->mod ^ src1->mod) e->inst[0] |= 0x00008000; set_immd(pc, src1, e); } else { @@ -866,11 +983,132 @@ emit_arl(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src, e->inst[0] |= dst->hw << 2; e->inst[0] |= s << 16; /* shift left */ - set_src_0_restricted(pc, src, e); + set_src_0(pc, src, e); emit(pc, e); } +static boolean +address_reg_suitable(struct nv50_reg *a, struct nv50_reg *r) +{ + if (!r) + return FALSE; + + if (r->vtx != a->vtx) + return FALSE; + if (r->vtx >= 0) + return (r->indirect[1] == a->indirect[1]); + + if (r->hw < a->rhw || (r->hw - a->rhw) >= 128) + return FALSE; + + if (a->index >= 0) + return (a->index == r->indirect[0]); + return (a->indirect[0] == r->indirect[0]); +} + +static void +load_vertex_base(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *a, int shift) +{ + struct nv50_reg mem, *temp; + + ctor_reg(&mem, P_ATTR, -1, dst->vtx); + + assert(dst->type == P_ADDR); + if (!a) { + emit_arl(pc, dst, &mem, 0); + return; + } + temp = alloc_temp(pc, NULL); + + if (shift) { + emit_mov_from_addr(pc, temp, a); + if (shift < 0) + emit_shl_imm(pc, temp, temp, shift); + emit_arl(pc, dst, temp, MAX2(shift, 0)); + } + emit_mov(pc, temp, &mem); + set_addr(pc->p->exec_tail, dst); + + emit_arl(pc, dst, temp, 0); + free_temp(pc, temp); +} + +/* case (ref == NULL): allocate address register for TGSI_FILE_ADDRESS + * case (vtx >= 0, acc >= 0): load vertex base from a[vtx * 4] to $aX + * case (vtx >= 0, acc < 0): load vertex base from s[$aY + vtx * 4] to $aX + * case (vtx < 0, acc >= 0): memory address too high to encode + * case (vtx < 0, acc < 0): get source register for TGSI_FILE_ADDRESS + */ +static struct nv50_reg * +get_address_reg(struct nv50_pc *pc, struct nv50_reg *ref) +{ + int i; + struct nv50_reg *a_ref, *a = NULL; + + for (i = 0; i < NV50_SU_MAX_ADDR; ++i) { + if (pc->r_addr[i].acc == 0) + a = &pc->r_addr[i]; /* an unused address reg */ + else + if (address_reg_suitable(&pc->r_addr[i], ref)) { + pc->r_addr[i].acc = pc->insn_cur; + return &pc->r_addr[i]; + } else + if (!a && pc->r_addr[i].index < 0 && + pc->r_addr[i].acc < pc->insn_cur) + a = &pc->r_addr[i]; + } + if (!a) { + /* We'll be able to spill address regs when this + * mess is replaced with a proper compiler ... + */ + NOUVEAU_ERR("out of address regs\n"); + abort(); + return NULL; + } + + /* initialize and reserve for this TGSI instruction */ + a->rhw = 0; + a->index = a->indirect[0] = a->indirect[1] = -1; + a->acc = pc->insn_cur; + + if (!ref) { + a->vtx = -1; + return a; + } + a->vtx = ref->vtx; + + /* now put in the correct value ... */ + + if (ref->vtx >= 0) { + a->indirect[1] = ref->indirect[1]; + + /* For an indirect vertex index, we need to shift address right + * by 2, the address register will contain vtx * 16, we need to + * load from a[vtx * 4]. + */ + load_vertex_base(pc, a, (ref->acc < 0) ? + pc->addr[ref->indirect[1]] : NULL, -2); + } else { + assert(ref->acc < 0 || ref->indirect[0] < 0); + + a->rhw = ref->hw & ~0x7f; + a->indirect[0] = ref->indirect[0]; + a_ref = (ref->acc < 0) ? pc->addr[ref->indirect[0]] : NULL; + + emit_add_addr_imm(pc, a, a_ref, a->rhw * 4); + } + return a; +} + +#define NV50_MAX_F32 0x880 +#define NV50_MAX_S32 0x08c +#define NV50_MAX_U32 0x084 +#define NV50_MIN_F32 0x8a0 +#define NV50_MIN_S32 0x0ac +#define NV50_MIN_U32 0x0a4 + static void emit_minmax(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) @@ -878,8 +1116,8 @@ emit_minmax(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst, struct nv50_program_exec *e = exec(pc); set_long(pc, e); - e->inst[0] |= 0xb0000000; - e->inst[1] |= (sub << 29); + e->inst[0] |= 0x30000000 | ((sub & 0x800) << 20); + e->inst[1] |= (sub << 24); check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); @@ -898,7 +1136,6 @@ static INLINE void emit_sub(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { - assert(src0 != src1); src1->mod ^= NV50_MOD_NEG; emit_add(pc, dst, src0, src1); src1->mod ^= NV50_MOD_NEG; @@ -921,6 +1158,8 @@ emit_bitop2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, op != TGSI_OPCODE_XOR) assert(!"invalid bit op"); + assert(!(src0->mod | src1->mod)); + if (src1->type == P_IMMD && src0->type == P_TEMP && pc->allow32) { set_immd(pc, src1, e); if (op == TGSI_OPCODE_OR) @@ -942,6 +1181,69 @@ emit_bitop2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, } static void +emit_not(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0xd0000000; + e->inst[1] = 0x0402c000; + set_long(pc, e); + set_dst(pc, dst, e); + set_src_1(pc, src, e); + + emit(pc, e); +} + +static void +emit_shift(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src0, struct nv50_reg *src1, unsigned dir) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x30000000; + e->inst[1] = 0xc4000000; + + set_long(pc, e); + set_dst(pc, dst, e); + set_src_0(pc, src0, e); + + if (src1->type == P_IMMD) { + e->inst[1] |= (1 << 20); + e->inst[0] |= (pc->immd_buf[src1->hw] & 0x7f) << 16; + } else + set_src_1(pc, src1, e); + + if (dir != TGSI_OPCODE_SHL) + e->inst[1] |= (1 << 29); + + if (dir == TGSI_OPCODE_ISHR) + e->inst[1] |= (1 << 27); + + emit(pc, e); +} + +static void +emit_shl_imm(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src, int s) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x30000000; + e->inst[1] = 0xc4100000; + if (s < 0) { + e->inst[1] |= 1 << 29; + s = -s; + } + e->inst[1] |= ((s & 0x7f) << 16); + + set_long(pc, e); + set_dst(pc, dst, e); + set_src_0(pc, src, 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) { @@ -967,12 +1269,19 @@ static INLINE void emit_msb(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1, struct nv50_reg *src2) { - assert(src2 != src0 && src2 != src1); src2->mod ^= NV50_MOD_NEG; emit_mad(pc, dst, src0, src1, src2); src2->mod ^= NV50_MOD_NEG; } +#define NV50_FLOP_RCP 0 +#define NV50_FLOP_RSQ 2 +#define NV50_FLOP_LG2 3 +#define NV50_FLOP_SIN 4 +#define NV50_FLOP_COS 5 +#define NV50_FLOP_EX2 6 + +/* rcp, rsqrt, lg2 support neg and abs */ static void emit_flop(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst, struct nv50_reg *src) @@ -980,17 +1289,20 @@ emit_flop(struct nv50_pc *pc, unsigned sub, struct nv50_program_exec *e = exec(pc); e->inst[0] |= 0x90000000; - if (sub) { + if (sub || src->mod) { set_long(pc, e); e->inst[1] |= (sub << 29); } set_dst(pc, dst, e); + set_src_0_restricted(pc, src, e); - if (sub == 0 || sub == 2) - set_src_0_restricted(pc, src, e); - else - set_src_0(pc, src, e); + assert(!src->mod || sub < 4); + + if (src->mod & NV50_MOD_NEG) + e->inst[1] |= 0x04000000; + if (src->mod & NV50_MOD_ABS) + e->inst[1] |= 0x00100000; emit(pc, e); } @@ -1007,6 +1319,11 @@ emit_preex2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) set_long(pc, e); e->inst[1] |= (6 << 29) | 0x00004000; + if (src->mod & NV50_MOD_NEG) + e->inst[1] |= 0x04000000; + if (src->mod & NV50_MOD_ABS) + e->inst[1] |= 0x00100000; + emit(pc, e); } @@ -1022,39 +1339,49 @@ emit_precossin(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) set_long(pc, e); e->inst[1] |= (6 << 29); + if (src->mod & NV50_MOD_NEG) + e->inst[1] |= 0x04000000; + if (src->mod & NV50_MOD_ABS) + e->inst[1] |= 0x00100000; + emit(pc, e); } -#define CVTOP_RN 0x01 -#define CVTOP_FLOOR 0x03 -#define CVTOP_CEIL 0x05 -#define CVTOP_TRUNC 0x07 -#define CVTOP_SAT 0x08 -#define CVTOP_ABS 0x10 - -/* 0x04 == 32 bit dst */ -/* 0x40 == dst is float */ -/* 0x80 == src is float */ -#define CVT_F32_F32 0xc4 -#define CVT_F32_S32 0x44 -#define CVT_S32_F32 0x8c -#define CVT_S32_S32 0x0c -#define CVT_NEG 0x20 -#define CVT_RI 0x08 +#define CVT_RN (0x00 << 16) +#define CVT_FLOOR (0x02 << 16) +#define CVT_CEIL (0x04 << 16) +#define CVT_TRUNC (0x06 << 16) +#define CVT_SAT (0x08 << 16) +#define CVT_ABS (0x10 << 16) + +#define CVT_X32_X32 0x04004000 +#define CVT_X32_S32 0x04014000 +#define CVT_F32_F32 ((0xc0 << 24) | CVT_X32_X32) +#define CVT_S32_F32 ((0x88 << 24) | CVT_X32_X32) +#define CVT_U32_F32 ((0x80 << 24) | CVT_X32_X32) +#define CVT_F32_S32 ((0x40 << 24) | CVT_X32_S32) +#define CVT_F32_U32 ((0x40 << 24) | CVT_X32_X32) +#define CVT_S32_S32 ((0x08 << 24) | CVT_X32_S32) +#define CVT_S32_U32 ((0x08 << 24) | CVT_X32_X32) +#define CVT_U32_S32 ((0x00 << 24) | CVT_X32_S32) + +#define CVT_NEG 0x20000000 +#define CVT_RI 0x08000000 static void emit_cvt(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src, - int wp, unsigned cvn, unsigned fmt) + int wp, uint32_t cvn) { struct nv50_program_exec *e; e = exec(pc); - set_long(pc, e); - e->inst[0] |= 0xa0000000; - e->inst[1] |= 0x00004000; /* 32 bit src */ - e->inst[1] |= (cvn << 16); - e->inst[1] |= (fmt << 24); + if (src->mod & NV50_MOD_NEG) cvn |= CVT_NEG; + if (src->mod & NV50_MOD_ABS) cvn |= CVT_ABS; + + e->inst[0] = 0xa0000000; + e->inst[1] = cvn; + set_long(pc, e); set_src_0(pc, src, e); if (wp >= 0) @@ -1079,10 +1406,12 @@ emit_cvt(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src, * 0x6 = GE * 0x7 = set condition code ? (used before bra.lt/le/gt/ge) * 0x8 = unordered bit (allows NaN) + * + * mode = 0x04 (u32), 0x0c (s32), 0x80 (f32) */ static void emit_set(struct nv50_pc *pc, unsigned ccode, struct nv50_reg *dst, int wp, - struct nv50_reg *src0, struct nv50_reg *src1) + struct nv50_reg *src0, struct nv50_reg *src1, uint8_t mode) { static const unsigned cc_swapped[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; @@ -1097,16 +1426,10 @@ emit_set(struct nv50_pc *pc, unsigned ccode, struct nv50_reg *dst, int wp, if (dst && dst->type != P_TEMP) dst = alloc_temp(pc, NULL); - /* set.u32 */ set_long(pc, e); - e->inst[0] |= 0xb0000000; + e->inst[0] |= 0x30000000 | (mode << 24); e->inst[1] |= 0x60000000 | (ccode << 14); - /* XXX: decuda will disasm as .u16 and use .lo/.hi regs, but - * that doesn't seem to match what the hw actually does - e->inst[1] |= 0x04000000; << breaks things, u32 by default ? - */ - if (wp >= 0) set_pred_wr(pc, 1, wp, e); if (dst) @@ -1120,35 +1443,147 @@ emit_set(struct nv50_pc *pc, unsigned ccode, struct nv50_reg *dst, int wp, set_src_1(pc, src1, e); emit(pc, e); - pc->if_cond = pc->p->exec_tail; /* record for OPCODE_IF */ - /* cvt.f32.u32/s32 (?) if we didn't only write the predicate */ - if (rdst) - emit_cvt(pc, rdst, dst, -1, CVTOP_ABS | CVTOP_RN, CVT_F32_S32); + if (rdst && mode == 0x80) /* convert to float ? */ + emit_cvt(pc, rdst, dst, -1, CVT_ABS | CVT_F32_S32); if (rdst && rdst != dst) free_temp(pc, dst); } -static INLINE unsigned -map_tgsi_setop_cc(unsigned op) +static INLINE void +map_tgsi_setop_hw(unsigned op, uint8_t *cc, uint8_t *ty) { switch (op) { - case TGSI_OPCODE_SLT: return 0x1; - case TGSI_OPCODE_SGE: return 0x6; - case TGSI_OPCODE_SEQ: return 0x2; - case TGSI_OPCODE_SGT: return 0x4; - case TGSI_OPCODE_SLE: return 0x3; - case TGSI_OPCODE_SNE: return 0xd; + case TGSI_OPCODE_SLT: *cc = 0x1; *ty = 0x80; break; + case TGSI_OPCODE_SGE: *cc = 0x6; *ty = 0x80; break; + case TGSI_OPCODE_SEQ: *cc = 0x2; *ty = 0x80; break; + case TGSI_OPCODE_SGT: *cc = 0x4; *ty = 0x80; break; + case TGSI_OPCODE_SLE: *cc = 0x3; *ty = 0x80; break; + case TGSI_OPCODE_SNE: *cc = 0xd; *ty = 0x80; break; + + case TGSI_OPCODE_ISLT: *cc = 0x1; *ty = 0x0c; break; + case TGSI_OPCODE_ISGE: *cc = 0x6; *ty = 0x0c; break; + case TGSI_OPCODE_USEQ: *cc = 0x2; *ty = 0x04; break; + case TGSI_OPCODE_USGE: *cc = 0x6; *ty = 0x04; break; + case TGSI_OPCODE_USLT: *cc = 0x1; *ty = 0x04; break; + case TGSI_OPCODE_USNE: *cc = 0x5; *ty = 0x04; break; default: assert(0); - return 0; + return; } } +static void +emit_add_b32(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src0, struct nv50_reg *rsrc1) +{ + struct nv50_program_exec *e = exec(pc); + struct nv50_reg *src1; + + e->inst[0] = 0x20000000; + + alloc_reg(pc, rsrc1); + check_swap_src_0_1(pc, &src0, &rsrc1); + + src1 = rsrc1; + if (src0->mod & rsrc1->mod & NV50_MOD_NEG) { + src1 = temp_temp(pc, e); + emit_cvt(pc, src1, rsrc1, -1, CVT_S32_S32); + } + + if (!pc->allow32 || src1->hw > 63 || + (src1->type != P_TEMP && src1->type != P_IMMD)) + set_long(pc, e); + + set_dst(pc, dst, e); + set_src_0(pc, src0, e); + + if (is_long(e)) { + e->inst[1] |= 1 << 26; + set_src_2(pc, src1, e); + } else { + e->inst[0] |= 0x8000; + if (src1->type == P_IMMD) + set_immd(pc, src1, e); + else + set_src_1(pc, src1, e); + } + + if (src0->mod & NV50_MOD_NEG) + e->inst[0] |= 1 << 28; + else + if (src1->mod & NV50_MOD_NEG) + e->inst[0] |= 1 << 22; + + emit(pc, e); +} + +static void +emit_mad_u16(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src0, int lh_0, struct nv50_reg *src1, int lh_1, + struct nv50_reg *src2) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x60000000; + if (!pc->allow32) + set_long(pc, e); + set_dst(pc, dst, e); + + set_half_src(pc, src0, lh_0, e, 9); + set_half_src(pc, src1, lh_1, e, 16); + alloc_reg(pc, src2); + if (is_long(e) || (src2->type != P_TEMP) || (src2->hw != dst->hw)) + set_src_2(pc, src2, e); + + emit(pc, e); +} + +static void +emit_mul_u16(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src0, int lh_0, struct nv50_reg *src1, int lh_1) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x40000000; + set_long(pc, e); + set_dst(pc, dst, e); + + set_half_src(pc, src0, lh_0, e, 9); + set_half_src(pc, src1, lh_1, e, 16); + + emit(pc, e); +} + +static void +emit_sad(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] = 0x50000000; + if (!pc->allow32) + 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); + alloc_reg(pc, src2); + if (is_long(e) || (src2->type != dst->type) || (src2->hw != dst->hw)) + set_src_2(pc, src2, e); + + if (is_long(e)) + e->inst[1] |= 0x0c << 24; + else + e->inst[0] |= 0x81 << 8; + + emit(pc, e); +} + static INLINE void emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { - emit_cvt(pc, dst, src, -1, CVTOP_FLOOR, CVT_F32_F32 | CVT_RI); + emit_cvt(pc, dst, src, -1, CVT_FLOOR | CVT_F32_F32 | CVT_RI); } static void @@ -1157,24 +1592,18 @@ emit_pow(struct nv50_pc *pc, struct nv50_reg *dst, { struct nv50_reg *temp = alloc_temp(pc, NULL); - emit_flop(pc, 3, temp, v); + emit_flop(pc, NV50_FLOP_LG2, temp, v); emit_mul(pc, temp, temp, e); emit_preex2(pc, temp, temp); - emit_flop(pc, 6, dst, temp); + emit_flop(pc, NV50_FLOP_EX2, dst, temp); free_temp(pc, temp); } static INLINE void -emit_abs(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) -{ - emit_cvt(pc, dst, src, -1, CVTOP_ABS, CVT_F32_F32); -} - -static INLINE void emit_sat(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { - emit_cvt(pc, dst, src, -1, CVTOP_SAT, CVT_F32_F32); + emit_cvt(pc, dst, src, -1, CVT_SAT | CVT_F32_F32); } static void @@ -1192,18 +1621,18 @@ emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, if (mask & (3 << 1)) { tmp[0] = alloc_temp(pc, NULL); - emit_minmax(pc, 4, tmp[0], src[0], zero); + emit_minmax(pc, NV50_MAX_F32, 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[1] = temp_temp(pc, NULL); + emit_minmax(pc, NV50_MAX_F32, 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); + tmp[3] = temp_temp(pc, NULL); + emit_minmax(pc, NV50_MAX_F32, tmp[3], src[3], neg128); + emit_minmax(pc, NV50_MIN_F32, tmp[3], tmp[3], pos128); emit_pow(pc, dst[2], tmp[1], tmp[3]); emit_mov(pc, dst[2], zero); @@ -1231,35 +1660,127 @@ emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, FREE(one); } -static INLINE void -emit_neg(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) -{ - emit_cvt(pc, dst, src, -1, CVTOP_RN, CVT_F32_F32 | CVT_NEG); -} - static void emit_kil(struct nv50_pc *pc, struct nv50_reg *src) { struct nv50_program_exec *e; const int r_pred = 1; - unsigned cvn = CVT_F32_F32; - - if (src->mod & NV50_MOD_NEG) - cvn |= CVT_NEG; - /* write predicate reg */ - emit_cvt(pc, NULL, src, r_pred, CVTOP_RN, cvn); - /* conditional discard */ e = exec(pc); - e->inst[0] = 0x00000002; + e->inst[0] = 0x00000002; /* discard */ + set_long(pc, e); /* sets cond code to ALWAYS */ + + if (src) { + set_pred(pc, 0x1 /* cc = LT */, r_pred, e); + /* write to predicate reg */ + emit_cvt(pc, NULL, src, r_pred, CVT_F32_F32); + } + + emit(pc, e); +} + +static struct nv50_program_exec * +emit_control_flow(struct nv50_pc *pc, unsigned op, int pred, unsigned cc) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = (op << 28) | 2; + set_long(pc, e); + if (pred >= 0) + set_pred(pc, cc, pred, e); + + emit(pc, e); + return e; +} + +static INLINE struct nv50_program_exec * +emit_breakaddr(struct nv50_pc *pc) +{ + return emit_control_flow(pc, 0x4, -1, 0); +} + +static INLINE void +emit_break(struct nv50_pc *pc, int pred, unsigned cc) +{ + emit_control_flow(pc, 0x5, pred, cc); +} + +static INLINE struct nv50_program_exec * +emit_joinat(struct nv50_pc *pc) +{ + return emit_control_flow(pc, 0xa, -1, 0); +} + +static INLINE struct nv50_program_exec * +emit_branch(struct nv50_pc *pc, int pred, unsigned cc) +{ + return emit_control_flow(pc, 0x1, pred, cc); +} + +static INLINE struct nv50_program_exec * +emit_call(struct nv50_pc *pc, int pred, unsigned cc) +{ + return emit_control_flow(pc, 0x2, pred, cc); +} + +static INLINE void +emit_ret(struct nv50_pc *pc, int pred, unsigned cc) +{ + emit_control_flow(pc, 0x3, pred, cc); +} + +static void +emit_prim_cmd(struct nv50_pc *pc, unsigned cmd) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0xf0000000 | (cmd << 9); + e->inst[1] = 0xc0000000; set_long(pc, e); - set_pred(pc, 0x1 /* LT */, r_pred, e); + emit(pc, e); } +#define QOP_ADD 0 +#define QOP_SUBR 1 +#define QOP_SUB 2 +#define QOP_MOV_SRC1 3 + +/* For a quad of threads / top left, top right, bottom left, bottom right + * pixels, do a different operation, and take src0 from a specific thread. + */ +static void +emit_quadop(struct nv50_pc *pc, struct nv50_reg *dst, int wp, int lane_src0, + struct nv50_reg *src0, struct nv50_reg *src1, ubyte qop) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0xc0000000; + e->inst[1] = 0x80000000; + set_long(pc, e); + e->inst[0] |= lane_src0 << 16; + set_src_0(pc, src0, e); + set_src_2(pc, src1, e); + + if (wp >= 0) + set_pred_wr(pc, 1, wp, e); + + if (dst) + set_dst(pc, dst, e); + else { + e->inst[0] |= 0x000001fc; + e->inst[1] |= 0x00000008; + } + + e->inst[0] |= (qop & 3) << 20; + e->inst[1] |= (qop >> 2) << 22; + + emit(pc, e); +} + static void load_cube_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4], - struct nv50_reg **src, boolean proj) + struct nv50_reg **src, unsigned arg, boolean proj) { int mod[3] = { src[0]->mod, src[1]->mod, src[2]->mod }; @@ -1267,8 +1788,8 @@ load_cube_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4], src[1]->mod |= NV50_MOD_ABS; src[2]->mod |= NV50_MOD_ABS; - emit_minmax(pc, 4, t[2], src[0], src[1]); - emit_minmax(pc, 4, t[2], src[2], t[2]); + emit_minmax(pc, NV50_MAX_F32, t[2], src[0], src[1]); + emit_minmax(pc, NV50_MAX_F32, t[2], src[2], t[2]); src[0]->mod = mod[0]; src[1]->mod = mod[1]; @@ -1276,7 +1797,11 @@ load_cube_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4], if (proj && 0 /* looks more correct without this */) emit_mul(pc, t[2], t[2], src[3]); - emit_flop(pc, 0, t[2], t[2]); + else + if (arg == 4) /* there is no textureProj(samplerCubeShadow) */ + emit_mov(pc, t[3], src[3]); + + emit_flop(pc, NV50_FLOP_RCP, t[2], t[2]); emit_mul(pc, t[0], src[0], t[2]); emit_mul(pc, t[1], src[1], t[2]); @@ -1284,89 +1809,221 @@ load_cube_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4], } static void -emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, - struct nv50_reg **src, unsigned unit, unsigned type, boolean proj) +load_proj_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4], + struct nv50_reg **src, unsigned dim, unsigned arg) { - struct nv50_reg *t[4]; - struct nv50_program_exec *e; + unsigned c, mode; + + if (src[0]->type == P_TEMP && src[0]->rhw != -1) { + mode = pc->interp_mode[src[0]->index] | INTERP_PERSPECTIVE; - unsigned c, mode, dim; + t[3]->rhw = src[3]->rhw; + emit_interp(pc, t[3], NULL, (mode & INTERP_CENTROID)); + emit_flop(pc, NV50_FLOP_RCP, t[3], t[3]); + + for (c = 0; c < dim; ++c) { + t[c]->rhw = src[c]->rhw; + emit_interp(pc, t[c], t[3], mode); + } + if (arg != dim) { /* depth reference value */ + t[dim]->rhw = src[2]->rhw; + emit_interp(pc, t[dim], t[3], mode); + } + } else { + /* XXX: for some reason the blob sometimes uses MAD + * (mad f32 $rX $rY $rZ neg $r63) + */ + emit_flop(pc, NV50_FLOP_RCP, t[3], src[3]); + for (c = 0; c < dim; ++c) + emit_mul(pc, t[c], src[c], t[3]); + if (arg != dim) /* depth reference value */ + emit_mul(pc, t[dim], src[2], t[3]); + } +} +static INLINE void +get_tex_dim(unsigned type, unsigned *dim, unsigned *arg) +{ switch (type) { case TGSI_TEXTURE_1D: - dim = 1; + *arg = *dim = 1; + break; + case TGSI_TEXTURE_SHADOW1D: + *dim = 1; + *arg = 2; break; case TGSI_TEXTURE_UNKNOWN: case TGSI_TEXTURE_2D: - case TGSI_TEXTURE_SHADOW1D: /* XXX: x, z */ case TGSI_TEXTURE_RECT: - dim = 2; + *arg = *dim = 2; + break; + case TGSI_TEXTURE_SHADOW2D: + case TGSI_TEXTURE_SHADOWRECT: + *dim = 2; + *arg = 3; break; case TGSI_TEXTURE_3D: case TGSI_TEXTURE_CUBE: - case TGSI_TEXTURE_SHADOW2D: - case TGSI_TEXTURE_SHADOWRECT: /* XXX */ - dim = 3; + *dim = *arg = 3; break; default: assert(0); break; } +} - /* some cards need t[0]'s hw index to be a multiple of 4 */ - alloc_temp4(pc, t, 0); +/* We shouldn't execute TEXLOD if any of the pixels in a quad have + * different LOD values, so branch off groups of equal LOD. + */ +static void +emit_texlod_sequence(struct nv50_pc *pc, struct nv50_reg *tlod, + struct nv50_reg *src, struct nv50_program_exec *tex) +{ + struct nv50_program_exec *join_at; + unsigned i, target = pc->p->exec_size + 9 * 2; - if (type == TGSI_TEXTURE_CUBE) { - load_cube_tex_coords(pc, t, src, proj); - } else - if (proj) { - if (src[0]->type == P_TEMP && src[0]->rhw != -1) { - mode = pc->interp_mode[src[0]->index]; - - t[3]->rhw = src[3]->rhw; - emit_interp(pc, t[3], NULL, (mode & INTERP_CENTROID)); - emit_flop(pc, 0, t[3], t[3]); - - for (c = 0; c < dim; c++) { - t[c]->rhw = src[c]->rhw; - emit_interp(pc, t[c], t[3], - (mode | INTERP_PERSPECTIVE)); - } - } else { - emit_flop(pc, 0, t[3], src[3]); - for (c = 0; c < dim; c++) - emit_mul(pc, t[c], src[c], t[3]); + if (pc->p->type != PIPE_SHADER_FRAGMENT) { + emit(pc, tex); + return; + } + pc->allow32 = FALSE; - /* XXX: for some reason the blob sometimes uses MAD: - * emit_mad(pc, t[c], src[0][c], t[3], t[3]) - * pc->p->exec_tail->inst[1] |= 0x080fc000; - */ + /* Subtract lod of each pixel from lod of top left pixel, jump + * texlod insn if result is 0, then repeat for 2 other pixels. + */ + join_at = emit_joinat(pc); + emit_quadop(pc, NULL, 0, 0, tlod, tlod, 0x55); + emit_branch(pc, 0, 2)->param.index = target; + + for (i = 1; i < 4; ++i) { + emit_quadop(pc, NULL, 0, i, tlod, tlod, 0x55); + emit_branch(pc, 0, 2)->param.index = target; + } + + emit_mov(pc, tlod, src); /* target */ + emit(pc, tex); /* texlod */ + + join_at->param.index = target + 2 * 2; + JOIN_ON(emit_nop(pc)); /* join _after_ tex */ +} + +static void +emit_texbias_sequence(struct nv50_pc *pc, struct nv50_reg *t[4], unsigned arg, + struct nv50_program_exec *tex) +{ + struct nv50_program_exec *e; + struct nv50_reg imm_1248, *t123[4][4], *r_bits = alloc_temp(pc, NULL); + int r_pred = 0; + unsigned n, c, i, cc[4] = { 0x0a, 0x13, 0x11, 0x10 }; + + pc->allow32 = FALSE; + ctor_reg(&imm_1248, P_IMMD, -1, ctor_immd_4u32(pc, 1, 2, 4, 8) * 4); + + /* Subtract bias value of thread i from bias values of each thread, + * store result in r_pred, and set bit i in r_bits if result was 0. + */ + assert(arg < 4); + for (i = 0; i < 4; ++i, ++imm_1248.hw) { + emit_quadop(pc, NULL, r_pred, i, t[arg], t[arg], 0x55); + emit_mov(pc, r_bits, &imm_1248); + set_pred(pc, 2, r_pred, pc->p->exec_tail); + } + emit_mov_to_pred(pc, r_pred, r_bits); + + /* The lanes of a quad are now grouped by the bit in r_pred they have + * set. Put the input values for TEX into a new register set for each + * group and execute TEX only for a specific group. + * We cannot use the same register set for each group because we need + * the derivatives, which are implicitly calculated, to be correct. + */ + for (i = 1; i < 4; ++i) { + alloc_temp4(pc, t123[i], 0); + + for (c = 0; c <= arg; ++c) + emit_mov(pc, t123[i][c], t[c]); + + *(e = exec(pc)) = *(tex); + e->inst[0] &= ~0x01fc; + set_dst(pc, t123[i][0], e); + set_pred(pc, cc[i], r_pred, e); + emit(pc, e); + } + /* finally TEX on the original regs (where we kept the input) */ + set_pred(pc, cc[0], r_pred, tex); + emit(pc, tex); + + /* put the 3 * n other results into regs for lane 0 */ + n = popcnt4(((e->inst[0] >> 25) & 0x3) | ((e->inst[1] >> 12) & 0xc)); + for (i = 1; i < 4; ++i) { + for (c = 0; c < n; ++c) { + emit_mov(pc, t[c], t123[i][c]); + set_pred(pc, cc[i], r_pred, pc->p->exec_tail); } - } else { - for (c = 0; c < dim; c++) - emit_mov(pc, t[c], src[c]); + free_temp4(pc, t123[i]); } + emit_nop(pc); + free_temp(pc, r_bits); +} + +static void +emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, + struct nv50_reg **src, unsigned unit, unsigned type, + boolean proj, int bias_lod) +{ + struct nv50_reg *t[4]; + struct nv50_program_exec *e; + unsigned c, dim, arg; + + /* t[i] must be within a single 128 bit super-reg */ + alloc_temp4(pc, t, 0); + e = exec(pc); + e->inst[0] = 0xf0000000; set_long(pc, e); - e->inst[0] |= 0xf0000000; - e->inst[1] |= 0x00000004; set_dst(pc, t[0], e); - e->inst[0] |= (unit << 9); - if (dim == 2) - e->inst[0] |= 0x00400000; - else - if (dim == 3) { - e->inst[0] |= 0x00800000; - if (type == TGSI_TEXTURE_CUBE) - e->inst[0] |= 0x08000000; + /* TIC and TSC binding indices (TSC is ignored as TSC_LINKED = TRUE): */ + e->inst[0] |= (unit << 9) /* | (unit << 17) */; + + /* live flag (don't set if TEX results affect input to another TEX): */ + /* e->inst[0] |= 0x00000004; */ + + get_tex_dim(type, &dim, &arg); + + if (type == TGSI_TEXTURE_CUBE) { + e->inst[0] |= 0x08000000; + load_cube_tex_coords(pc, t, src, arg, proj); + } else + if (proj) + load_proj_tex_coords(pc, t, src, dim, arg); + else { + for (c = 0; c < dim; c++) + emit_mov(pc, t[c], src[c]); + if (arg != dim) /* depth reference value (always src.z here) */ + emit_mov(pc, t[dim], src[2]); } e->inst[0] |= (mask & 0x3) << 25; e->inst[1] |= (mask & 0xc) << 12; - emit(pc, e); + if (!bias_lod) { + e->inst[0] |= (arg - 1) << 22; + emit(pc, e); + } else + if (bias_lod < 0) { + assert(pc->p->type == PIPE_SHADER_FRAGMENT); + e->inst[0] |= arg << 22; + e->inst[1] |= 0x20000000; /* texbias */ + emit_mov(pc, t[arg], src[3]); + emit_texbias_sequence(pc, t, arg, e); + } else { + e->inst[0] |= arg << 22; + e->inst[1] |= 0x40000000; /* texlod */ + emit_mov(pc, t[arg], src[3]); + emit_texlod_sequence(pc, t[arg], src[3], e); + } + #if 1 c = 0; if (mask & 1) emit_mov(pc, dst[0], t[c++]); @@ -1389,46 +2046,14 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, } static void -emit_branch(struct nv50_pc *pc, int pred, unsigned cc, - struct nv50_program_exec **join) -{ - struct nv50_program_exec *e = exec(pc); - - if (join) { - set_long(pc, e); - e->inst[0] |= 0xa0000002; - emit(pc, e); - *join = e; - e = exec(pc); - } - - set_long(pc, e); - e->inst[0] |= 0x10000002; - if (pred >= 0) - set_pred(pc, cc, pred, e); - emit(pc, e); -} - -static void -emit_nop(struct nv50_pc *pc) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] = 0xf0000000; - set_long(pc, e); - e->inst[1] = 0xe0000000; - emit(pc, e); -} - -static void emit_ddx(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { struct nv50_program_exec *e = exec(pc); assert(src->type == P_TEMP); - e->inst[0] = 0xc0140000; - e->inst[1] = 0x89800000; + e->inst[0] = (src->mod & NV50_MOD_NEG) ? 0xc0240000 : 0xc0140000; + e->inst[1] = (src->mod & NV50_MOD_NEG) ? 0x86400000 : 0x89800000; set_long(pc, e); set_dst(pc, dst, e); set_src_0(pc, src, e); @@ -1444,11 +2069,8 @@ emit_ddy(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) assert(src->type == P_TEMP); - if (!(src->mod & NV50_MOD_NEG)) /* ! double negation */ - emit_neg(pc, src, src); - - e->inst[0] = 0xc0150000; - e->inst[1] = 0x8a400000; + e->inst[0] = (src->mod & NV50_MOD_NEG) ? 0xc0250000 : 0xc0150000; + e->inst[1] = (src->mod & NV50_MOD_NEG) ? 0x85800000 : 0x8a400000; set_long(pc, e); set_dst(pc, dst, e); set_src_0(pc, src, e); @@ -1470,6 +2092,21 @@ convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e) q = 0x0403c000; m = 0xffff7fff; break; + case 0x2: + case 0x3: + /* ADD, SUB, SUBR b32 */ + m = ~(0x8000 | (127 << 16)); + q = ((e->inst[0] & (~m)) >> 2) | (1 << 26); + break; + case 0x5: + /* SAD */ + m = ~(0x81 << 8); + q = (0x0c << 24) | ((e->inst[0] & (0x7f << 2)) << 12); + break; + case 0x6: + /* MAD u16 */ + q = (e->inst[0] & (0x7f << 2)) << 12; + break; case 0x8: /* INTERP (move centroid, perspective and flat bits) */ m = ~0x03000100; @@ -1506,50 +2143,65 @@ convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e) } /* Some operations support an optional negation flag. */ -static boolean -negate_supported(const struct tgsi_full_instruction *insn, int i) +static int +get_supported_mods(const struct tgsi_full_instruction *insn, int i) { - int s; - switch (insn->Instruction.Opcode) { + case TGSI_OPCODE_ADD: + case TGSI_OPCODE_COS: + case TGSI_OPCODE_DDX: case TGSI_OPCODE_DDY: case TGSI_OPCODE_DP3: case TGSI_OPCODE_DP4: - case TGSI_OPCODE_MUL: + case TGSI_OPCODE_EX2: case TGSI_OPCODE_KIL: - case TGSI_OPCODE_ADD: - case TGSI_OPCODE_SUB: + case TGSI_OPCODE_LG2: case TGSI_OPCODE_MAD: - break; + case TGSI_OPCODE_MUL: case TGSI_OPCODE_POW: - if (i == 1) - break; - return FALSE; + case TGSI_OPCODE_RCP: + case TGSI_OPCODE_RSQ: /* ignored, RSQ = rsqrt(abs(src.x)) */ + case TGSI_OPCODE_SCS: + case TGSI_OPCODE_SIN: + case TGSI_OPCODE_SUB: + return NV50_MOD_NEG; + case TGSI_OPCODE_MAX: + case TGSI_OPCODE_MIN: + case TGSI_OPCODE_INEG: /* tgsi src sign toggle/set would be stupid */ + return NV50_MOD_ABS; + case TGSI_OPCODE_CEIL: + case TGSI_OPCODE_FLR: + case TGSI_OPCODE_TRUNC: + return NV50_MOD_NEG | NV50_MOD_ABS; + case TGSI_OPCODE_F2I: + case TGSI_OPCODE_F2U: + case TGSI_OPCODE_I2F: + case TGSI_OPCODE_U2F: + return NV50_MOD_NEG | NV50_MOD_ABS | NV50_MOD_I32; + case TGSI_OPCODE_UADD: + return NV50_MOD_NEG | NV50_MOD_I32; + case TGSI_OPCODE_SAD: + case TGSI_OPCODE_SHL: + case TGSI_OPCODE_IMAX: + case TGSI_OPCODE_IMIN: + case TGSI_OPCODE_ISHR: + case TGSI_OPCODE_NOT: + case TGSI_OPCODE_UMAD: + case TGSI_OPCODE_UMAX: + case TGSI_OPCODE_UMIN: + case TGSI_OPCODE_UMUL: + case TGSI_OPCODE_USHR: + return NV50_MOD_I32; default: - return FALSE; - } - - /* Watch out for possible multiple uses of an nv50_reg, we - * can't use nv50_reg::neg in these cases. - */ - for (s = 0; s < insn->Instruction.NumSrcRegs; ++s) { - if (s == i) - continue; - if ((insn->FullSrcRegisters[s].SrcRegister.Index == - insn->FullSrcRegisters[i].SrcRegister.Index) && - (insn->FullSrcRegisters[s].SrcRegister.File == - insn->FullSrcRegisters[i].SrcRegister.File)) - return FALSE; + return 0; } - - return TRUE; } /* Return a read mask for source registers deduced from opcode & write mask. */ static unsigned nv50_tgsi_src_mask(const struct tgsi_full_instruction *insn, int c) { - unsigned x, mask = insn->FullDstRegisters[0].DstRegister.WriteMask; + unsigned x, mask = insn->Dst[0].Register.WriteMask; switch (insn->Instruction.Opcode) { case TGSI_OPCODE_COS: @@ -1564,30 +2216,40 @@ nv50_tgsi_src_mask(const struct tgsi_full_instruction *insn, int c) case TGSI_OPCODE_DST: return mask & (c ? 0xa : 0x6); case TGSI_OPCODE_EX2: + case TGSI_OPCODE_EXP: case TGSI_OPCODE_LG2: + case TGSI_OPCODE_LOG: case TGSI_OPCODE_POW: case TGSI_OPCODE_RCP: case TGSI_OPCODE_RSQ: case TGSI_OPCODE_SCS: return 0x1; + case TGSI_OPCODE_IF: + return 0x1; case TGSI_OPCODE_LIT: return 0xb; case TGSI_OPCODE_TEX: + case TGSI_OPCODE_TXB: + case TGSI_OPCODE_TXL: case TGSI_OPCODE_TXP: { - const struct tgsi_instruction_ext_texture *tex; + const struct tgsi_instruction_texture *tex; - assert(insn->Instruction.Extended); - tex = &insn->InstructionExtTexture; + assert(insn->Instruction.Texture); + tex = &insn->Texture; mask = 0x7; - if (insn->Instruction.Opcode == TGSI_OPCODE_TXP) - mask |= 0x8; + if (insn->Instruction.Opcode != TGSI_OPCODE_TEX && + insn->Instruction.Opcode != TGSI_OPCODE_TXD) + mask |= 0x8; /* bias, lod or proj */ switch (tex->Texture) { case TGSI_TEXTURE_1D: mask &= 0x9; break; + case TGSI_TEXTURE_SHADOW1D: + mask &= 0x5; + break; case TGSI_TEXTURE_2D: mask &= 0xb; break; @@ -1612,23 +2274,28 @@ nv50_tgsi_src_mask(const struct tgsi_full_instruction *insn, int c) static struct nv50_reg * tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst) { - switch (dst->DstRegister.File) { + switch (dst->Register.File) { case TGSI_FILE_TEMPORARY: - return &pc->temp[dst->DstRegister.Index * 4 + c]; + return &pc->temp[dst->Register.Index * 4 + c]; case TGSI_FILE_OUTPUT: - return &pc->result[dst->DstRegister.Index * 4 + c]; + return &pc->result[dst->Register.Index * 4 + c]; case TGSI_FILE_ADDRESS: { - struct nv50_reg *r = pc->addr[dst->DstRegister.Index * 4 + c]; + struct nv50_reg *r = pc->addr[dst->Register.Index * 4 + c]; if (!r) { - r = alloc_addr(pc, NULL); - pc->addr[dst->DstRegister.Index * 4 + c] = r; + r = get_address_reg(pc, NULL); + r->index = dst->Register.Index * 4 + c; + pc->addr[r->index] = r; } assert(r); return r; } case TGSI_FILE_NULL: return NULL; + case TGSI_FILE_SYSTEM_VALUE: + assert(pc->sysval[dst->Register.Index].type == P_RESULT); + assert(c == 0); + return &pc->sysval[dst->Register.Index]; default: break; } @@ -1638,14 +2305,14 @@ tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst) static struct nv50_reg * tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src, - boolean neg) + int mod) { struct nv50_reg *r = NULL; - struct nv50_reg *temp; - unsigned sgn, c, swz; + struct nv50_reg *temp = NULL; + unsigned sgn, c, swz, cvn; - if (src->SrcRegister.File != TGSI_FILE_CONSTANT) - assert(!src->SrcRegister.Indirect); + if (src->Register.File != TGSI_FILE_CONSTANT) + assert(!src->Register.Indirect); sgn = tgsi_util_get_full_src_register_sign_mode(src, chan); @@ -1655,38 +2322,54 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src, case TGSI_SWIZZLE_Y: case TGSI_SWIZZLE_Z: case TGSI_SWIZZLE_W: - switch (src->SrcRegister.File) { + switch (src->Register.File) { case TGSI_FILE_INPUT: - r = &pc->attr[src->SrcRegister.Index * 4 + c]; + r = &pc->attr[src->Register.Index * 4 + c]; + + if (!src->Dimension.Dimension) + break; + r = reg_instance(pc, r); + r->vtx = src->Dimension.Index; + + if (!src->Dimension.Indirect) + break; + swz = tgsi_util_get_src_register_swizzle( + &src->DimIndirect, 0); + r->acc = -1; + r->indirect[1] = src->DimIndirect.Index * 4 + swz; break; case TGSI_FILE_TEMPORARY: - r = &pc->temp[src->SrcRegister.Index * 4 + c]; + r = &pc->temp[src->Register.Index * 4 + c]; break; case TGSI_FILE_CONSTANT: - if (!src->SrcRegister.Indirect) { - r = &pc->param[src->SrcRegister.Index * 4 + c]; + if (!src->Register.Indirect) { + r = &pc->param[src->Register.Index * 4 + c]; break; } /* Indicate indirection by setting r->acc < 0 and * use the index field to select the address reg. */ - r = MALLOC_STRUCT(nv50_reg); + r = reg_instance(pc, NULL); + ctor_reg(r, P_CONST, -1, src->Register.Index * 4 + c); + swz = tgsi_util_get_src_register_swizzle( - &src->SrcRegisterInd, 0); - ctor_reg(r, P_CONST, - src->SrcRegisterInd.Index * 4 + swz, - src->SrcRegister.Index * 4 + c); + &src->Indirect, 0); r->acc = -1; + r->indirect[0] = src->Indirect.Index * 4 + swz; break; case TGSI_FILE_IMMEDIATE: - r = &pc->immd[src->SrcRegister.Index * 4 + c]; + r = &pc->immd[src->Register.Index * 4 + c]; break; case TGSI_FILE_SAMPLER: - break; + return NULL; case TGSI_FILE_ADDRESS: - r = pc->addr[src->SrcRegister.Index * 4 + c]; + r = pc->addr[src->Register.Index * 4 + c]; assert(r); break; + case TGSI_FILE_SYSTEM_VALUE: + assert(c == 0); + r = &pc->sysval[src->Register.Index]; + break; default: assert(0); break; @@ -1697,33 +2380,34 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src, break; } + cvn = (mod & NV50_MOD_I32) ? CVT_S32_S32 : CVT_F32_F32; + switch (sgn) { - 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: - if (neg) - r->mod = NV50_MOD_NEG; - else { - temp = temp_temp(pc); - emit_neg(pc, temp, r); - r = temp; - } + r->mod = NV50_MOD_ABS; break; case TGSI_UTIL_SIGN_SET: - temp = temp_temp(pc); - emit_cvt(pc, temp, r, -1, CVTOP_ABS, CVT_F32_F32 | CVT_NEG); - r = temp; + r->mod = NV50_MOD_NEG_ABS; + break; + case TGSI_UTIL_SIGN_TOGGLE: + r->mod = NV50_MOD_NEG; break; default: - assert(0); + assert(!r->mod && sgn == TGSI_UTIL_SIGN_KEEP); break; } + if ((r->mod & mod) != r->mod) { + temp = temp_temp(pc, NULL); + emit_cvt(pc, temp, r, -1, cvn); + r->mod = 0; + r = temp; + } else + r->mod |= mod & NV50_MOD_I32; + + assert(r); + if (r->acc >= 0 && r->vtx < 0 && r != temp) + return reg_instance(pc, r); /* will clear r->mod */ return r; } @@ -1776,9 +2460,13 @@ nv50_tgsi_dst_revdep(unsigned op, int s, int c) assert(0); return 0x0; } + case TGSI_OPCODE_EXP: + case TGSI_OPCODE_LOG: case TGSI_OPCODE_LIT: case TGSI_OPCODE_SCS: case TGSI_OPCODE_TEX: + case TGSI_OPCODE_TXB: + case TGSI_OPCODE_TXL: case TGSI_OPCODE_TXP: /* these take care of dangerous swizzles themselves */ return 0x0; @@ -1814,34 +2502,51 @@ nv50_kill_branch(struct nv50_pc *pc) if (pc->if_insn[lvl]->next != pc->p->exec_tail) return FALSE; + if (is_immd(pc->p->exec_tail)) + return FALSE; /* if ccode == 'true', the BRA is from an ELSE and the predicate * reg may no longer be valid, since we currently always use $p0 */ if (has_pred(pc->if_insn[lvl], 0xf)) return FALSE; - assert(pc->if_insn[lvl] && pc->br_join[lvl]); + assert(pc->if_insn[lvl] && pc->if_join[lvl]); - /* We'll use the exec allocated for JOIN_AT (as we can't easily - * update prev's next); if exec_tail is BRK, update the pointer. + /* We'll use the exec allocated for JOIN_AT (we can't easily + * access nv50_program_exec's prev). */ - if (pc->loop_lvl && pc->br_loop[pc->loop_lvl - 1] == pc->p->exec_tail) - pc->br_loop[pc->loop_lvl - 1] = pc->br_join[lvl]; - pc->p->exec_size -= 4; /* remove JOIN_AT and BRA */ - *pc->br_join[lvl] = *pc->p->exec_tail; + *pc->if_join[lvl] = *pc->p->exec_tail; FREE(pc->if_insn[lvl]); FREE(pc->p->exec_tail); - pc->p->exec_tail = pc->br_join[lvl]; + pc->p->exec_tail = pc->if_join[lvl]; pc->p->exec_tail->next = NULL; set_pred(pc, 0xd, 0, pc->p->exec_tail); return TRUE; } +static void +nv50_fp_move_results(struct nv50_pc *pc) +{ + struct nv50_reg reg; + unsigned i; + + ctor_reg(®, P_TEMP, -1, -1); + + for (i = 0; i < pc->result_nr * 4; ++i) { + if (pc->result[i].rhw < 0 || pc->result[i].hw < 0) + continue; + if (pc->result[i].rhw != pc->result[i].hw) { + reg.hw = pc->result[i].rhw; + emit_mov(pc, ®, &pc->result[i]); + } + } +} + static boolean nv50_program_tx_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *inst) @@ -1850,38 +2555,38 @@ nv50_program_tx_insn(struct nv50_pc *pc, unsigned mask, sat, unit; int i, c; - mask = inst->FullDstRegisters[0].DstRegister.WriteMask; + mask = inst->Dst[0].Register.WriteMask; sat = inst->Instruction.Saturate == TGSI_SAT_ZERO_ONE; memset(src, 0, sizeof(src)); for (c = 0; c < 4; c++) { if ((mask & (1 << c)) && !pc->r_dst[c]) - dst[c] = tgsi_dst(pc, c, &inst->FullDstRegisters[0]); + dst[c] = tgsi_dst(pc, c, &inst->Dst[0]); else dst[c] = pc->r_dst[c]; rdst[c] = dst[c]; } for (i = 0; i < inst->Instruction.NumSrcRegs; i++) { - const struct tgsi_full_src_register *fs = &inst->FullSrcRegisters[i]; + const struct tgsi_full_src_register *fs = &inst->Src[i]; unsigned src_mask; - boolean neg_supp; + int mod_supp; src_mask = nv50_tgsi_src_mask(inst, i); - neg_supp = negate_supported(inst, i); + mod_supp = get_supported_mods(inst, i); - if (fs->SrcRegister.File == TGSI_FILE_SAMPLER) - unit = fs->SrcRegister.Index; + if (fs->Register.File == TGSI_FILE_SAMPLER) + unit = fs->Register.Index; for (c = 0; c < 4; c++) if (src_mask & (1 << c)) - src[i][c] = tgsi_src(pc, c, fs, neg_supp); + src[i][c] = tgsi_src(pc, c, fs, mod_supp); } brdc = temp = pc->r_brdc; if (brdc && brdc->type != P_TEMP) { - temp = temp_temp(pc); + temp = temp_temp(pc, NULL); if (sat) brdc = temp; } else @@ -1890,7 +2595,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, if (!(mask & (1 << c)) || dst[c]->type == P_TEMP) continue; /* rdst[c] = dst[c]; */ /* done above */ - dst[c] = temp_temp(pc); + dst[c] = temp_temp(pc, NULL); } } @@ -1901,7 +2606,8 @@ nv50_program_tx_insn(struct nv50_pc *pc, for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; - emit_abs(pc, dst[c], src[0][c]); + emit_cvt(pc, dst[c], src[0][c], -1, + CVT_ABS | CVT_F32_F32); } break; case TGSI_OPCODE_ADD: @@ -1922,26 +2628,42 @@ nv50_program_tx_insn(struct nv50_pc *pc, } break; case TGSI_OPCODE_ARL: - assert(src[0][0]); - temp = temp_temp(pc); - emit_cvt(pc, temp, src[0][0], -1, CVTOP_FLOOR, CVT_S32_F32); - emit_arl(pc, dst[0], temp, 4); + temp = temp_temp(pc, NULL); + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_cvt(pc, temp, src[0][c], -1, + CVT_FLOOR | CVT_S32_F32); + emit_arl(pc, dst[c], temp, 4); + } break; case TGSI_OPCODE_BGNLOOP: + pc->loop_brka[pc->loop_lvl] = emit_breakaddr(pc); pc->loop_pos[pc->loop_lvl++] = pc->p->exec_size; terminate_mbb(pc); break; + case TGSI_OPCODE_BGNSUB: + assert(!pc->in_subroutine); + pc->in_subroutine = TRUE; + /* probably not necessary, but align to 8 byte boundary */ + if (!is_long(pc->p->exec_tail)) + convert_to_long(pc, pc->p->exec_tail); + break; case TGSI_OPCODE_BRK: - emit_branch(pc, -1, 0, NULL); assert(pc->loop_lvl > 0); - pc->br_loop[pc->loop_lvl - 1] = pc->p->exec_tail; + emit_break(pc, -1, 0); + break; + case TGSI_OPCODE_CAL: + assert(inst->Label.Label < pc->insn_nr); + emit_call(pc, -1, 0)->param.index = inst->Label.Label; + /* replaced by actual offset in nv50_program_fixup_insns */ break; case TGSI_OPCODE_CEIL: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_cvt(pc, dst[c], src[0][c], -1, - CVTOP_CEIL, CVT_F32_F32 | CVT_RI); + CVT_CEIL | CVT_F32_F32 | CVT_RI); } break; case TGSI_OPCODE_CMP: @@ -1949,24 +2671,29 @@ nv50_program_tx_insn(struct nv50_pc *pc, for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; - emit_cvt(pc, NULL, src[0][c], 1, CVTOP_RN, CVT_F32_F32); + emit_cvt(pc, NULL, src[0][c], 1, CVT_F32_F32); emit_mov(pc, dst[c], src[1][c]); set_pred(pc, 0x1, 1, pc->p->exec_tail); /* @SF */ emit_mov(pc, dst[c], src[2][c]); set_pred(pc, 0x6, 1, pc->p->exec_tail); /* @NSF */ } break; + case TGSI_OPCODE_CONT: + assert(pc->loop_lvl > 0); + emit_branch(pc, -1, 0)->param.index = + pc->loop_pos[pc->loop_lvl - 1]; + break; case TGSI_OPCODE_COS: if (mask & 8) { emit_precossin(pc, temp, src[0][3]); - emit_flop(pc, 5, dst[3], temp); + emit_flop(pc, NV50_FLOP_COS, dst[3], temp); if (!(mask &= 7)) break; if (temp == dst[3]) - temp = brdc = temp_temp(pc); + temp = brdc = temp_temp(pc, NULL); } emit_precossin(pc, temp, src[0][0]); - emit_flop(pc, 5, brdc, temp); + emit_flop(pc, NV50_FLOP_COS, brdc, temp); break; case TGSI_OPCODE_DDX: for (c = 0; c < 4; c++) { @@ -2010,11 +2737,14 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_mov_immdval(pc, dst[0], 1.0f); break; case TGSI_OPCODE_ELSE: - emit_branch(pc, -1, 0, NULL); + emit_branch(pc, -1, 0); pc->if_insn[--pc->if_lvl]->param.index = pc->p->exec_size; pc->if_insn[pc->if_lvl++] = pc->p->exec_tail; terminate_mbb(pc); break; + case TGSI_OPCODE_EMIT: + emit_prim_cmd(pc, 1); + break; case TGSI_OPCODE_ENDIF: pc->if_insn[--pc->if_lvl]->param.index = pc->p->exec_size; @@ -2022,26 +2752,76 @@ nv50_program_tx_insn(struct nv50_pc *pc, if (nv50_kill_branch(pc) == TRUE) break; - if (pc->br_join[pc->if_lvl]) { - pc->br_join[pc->if_lvl]->param.index = pc->p->exec_size; - pc->br_join[pc->if_lvl] = NULL; + if (pc->if_join[pc->if_lvl]) { + pc->if_join[pc->if_lvl]->param.index = pc->p->exec_size; + pc->if_join[pc->if_lvl] = NULL; } terminate_mbb(pc); /* emit a NOP as join point, we could set it on the next * one, but would have to make sure it is long and !immd */ - emit_nop(pc); - pc->p->exec_tail->inst[1] |= 2; + JOIN_ON(emit_nop(pc)); break; case TGSI_OPCODE_ENDLOOP: - emit_branch(pc, -1, 0, NULL); - pc->p->exec_tail->param.index = pc->loop_pos[--pc->loop_lvl]; - pc->br_loop[pc->loop_lvl]->param.index = pc->p->exec_size; + emit_branch(pc, -1, 0)->param.index = + pc->loop_pos[--pc->loop_lvl]; + pc->loop_brka[pc->loop_lvl]->param.index = pc->p->exec_size; + terminate_mbb(pc); + break; + case TGSI_OPCODE_ENDPRIM: + emit_prim_cmd(pc, 2); + break; + case TGSI_OPCODE_ENDSUB: + assert(pc->in_subroutine); terminate_mbb(pc); + pc->in_subroutine = FALSE; break; case TGSI_OPCODE_EX2: emit_preex2(pc, temp, src[0][0]); - emit_flop(pc, 6, brdc, temp); + emit_flop(pc, NV50_FLOP_EX2, brdc, temp); + break; + case TGSI_OPCODE_EXP: + { + struct nv50_reg *t[2]; + + assert(!temp); + t[0] = temp_temp(pc, NULL); + t[1] = temp_temp(pc, NULL); + + if (mask & 0x6) + emit_mov(pc, t[0], src[0][0]); + if (mask & 0x3) + emit_flr(pc, t[1], src[0][0]); + + if (mask & (1 << 1)) + emit_sub(pc, dst[1], t[0], t[1]); + if (mask & (1 << 0)) { + emit_preex2(pc, t[1], t[1]); + emit_flop(pc, NV50_FLOP_EX2, dst[0], t[1]); + } + if (mask & (1 << 2)) { + emit_preex2(pc, t[0], t[0]); + emit_flop(pc, NV50_FLOP_EX2, dst[2], t[0]); + } + if (mask & (1 << 3)) + emit_mov_immdval(pc, dst[3], 1.0f); + } + break; + case TGSI_OPCODE_F2I: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_cvt(pc, dst[c], src[0][c], -1, + CVT_TRUNC | CVT_S32_F32); + } + break; + case TGSI_OPCODE_F2U: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_cvt(pc, dst[c], src[0][c], -1, + CVT_TRUNC | CVT_U32_F32); + } break; case TGSI_OPCODE_FLR: for (c = 0; c < 4; c++) { @@ -2051,7 +2831,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, } break; case TGSI_OPCODE_FRC: - temp = temp_temp(pc); + temp = temp_temp(pc, NULL); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; @@ -2059,30 +2839,88 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_sub(pc, dst[c], src[0][c], temp); } break; + case TGSI_OPCODE_I2F: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_cvt(pc, dst[c], src[0][c], -1, CVT_F32_S32); + } + break; case TGSI_OPCODE_IF: - /* emitting a join_at may not be necessary */ - assert(pc->if_lvl < MAX_IF_DEPTH); - /* set_pred_wr(pc, 1, 0, pc->if_cond); */ - emit_cvt(pc, NULL, src[0][0], 0, CVTOP_ABS | CVTOP_RN, - CVT_F32_F32); - emit_branch(pc, 0, 2, &pc->br_join[pc->if_lvl]); - pc->if_insn[pc->if_lvl++] = pc->p->exec_tail; + assert(pc->if_lvl < NV50_MAX_COND_NESTING); + emit_cvt(pc, NULL, src[0][0], 0, CVT_ABS | CVT_F32_F32); + pc->if_join[pc->if_lvl] = emit_joinat(pc); + pc->if_insn[pc->if_lvl++] = emit_branch(pc, 0, 2);; terminate_mbb(pc); break; + case TGSI_OPCODE_IMAX: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_minmax(pc, 0x08c, dst[c], src[0][c], src[1][c]); + } + break; + case TGSI_OPCODE_IMIN: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_minmax(pc, 0x0ac, dst[c], src[0][c], src[1][c]); + } + break; + case TGSI_OPCODE_INEG: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_cvt(pc, dst[c], src[0][c], -1, + CVT_S32_S32 | CVT_NEG); + } + break; case TGSI_OPCODE_KIL: + assert(src[0][0] && src[0][1] && src[0][2] && src[0][3]); emit_kil(pc, src[0][0]); emit_kil(pc, src[0][1]); emit_kil(pc, src[0][2]); emit_kil(pc, src[0][3]); break; + case TGSI_OPCODE_KILP: + emit_kil(pc, NULL); + break; case TGSI_OPCODE_LIT: emit_lit(pc, &dst[0], mask, &src[0][0]); break; case TGSI_OPCODE_LG2: - emit_flop(pc, 3, brdc, src[0][0]); + emit_flop(pc, NV50_FLOP_LG2, brdc, src[0][0]); + break; + case TGSI_OPCODE_LOG: + { + struct nv50_reg *t[2]; + + t[0] = temp_temp(pc, NULL); + if (mask & (1 << 1)) + t[1] = temp_temp(pc, NULL); + else + t[1] = t[0]; + + emit_cvt(pc, t[0], src[0][0], -1, CVT_ABS | CVT_F32_F32); + emit_flop(pc, NV50_FLOP_LG2, t[1], t[0]); + if (mask & (1 << 2)) + emit_mov(pc, dst[2], t[1]); + emit_flr(pc, t[1], t[1]); + if (mask & (1 << 0)) + emit_mov(pc, dst[0], t[1]); + if (mask & (1 << 1)) { + t[1]->mod = NV50_MOD_NEG; + emit_preex2(pc, t[1], t[1]); + t[1]->mod = 0; + emit_flop(pc, NV50_FLOP_EX2, t[1], t[1]); + emit_mul(pc, dst[1], t[0], t[1]); + } + if (mask & (1 << 3)) + emit_mov_immdval(pc, dst[3], 1.0f); + } break; case TGSI_OPCODE_LRP: - temp = temp_temp(pc); + temp = temp_temp(pc, NULL); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; @@ -2101,14 +2939,14 @@ nv50_program_tx_insn(struct nv50_pc *pc, for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; - emit_minmax(pc, 4, dst[c], src[0][c], src[1][c]); + emit_minmax(pc, 0x880, 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]); + emit_minmax(pc, 0x8a0, dst[c], src[0][c], src[1][c]); } break; case TGSI_OPCODE_MOV: @@ -2125,39 +2963,73 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_mul(pc, dst[c], src[0][c], src[1][c]); } break; + case TGSI_OPCODE_NOT: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_not(pc, dst[c], src[0][c]); + } + break; case TGSI_OPCODE_POW: emit_pow(pc, brdc, src[0][0], src[1][0]); break; case TGSI_OPCODE_RCP: - emit_flop(pc, 0, brdc, src[0][0]); + if (!sat && popcnt4(mask) == 1) + brdc = dst[ffs(mask) - 1]; + emit_flop(pc, NV50_FLOP_RCP, brdc, src[0][0]); + break; + case TGSI_OPCODE_RET: + if (pc->p->type == PIPE_SHADER_FRAGMENT && !pc->in_subroutine) + nv50_fp_move_results(pc); + emit_ret(pc, -1, 0); break; case TGSI_OPCODE_RSQ: - emit_flop(pc, 2, brdc, src[0][0]); + if (!sat && popcnt4(mask) == 1) + brdc = dst[ffs(mask) - 1]; + src[0][0]->mod |= NV50_MOD_ABS; + emit_flop(pc, NV50_FLOP_RSQ, brdc, src[0][0]); + break; + case TGSI_OPCODE_SAD: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_sad(pc, dst[c], src[0][c], src[1][c], src[2][c]); + } break; case TGSI_OPCODE_SCS: - temp = temp_temp(pc); + temp = temp_temp(pc, NULL); if (mask & 3) emit_precossin(pc, temp, src[0][0]); if (mask & (1 << 0)) - emit_flop(pc, 5, dst[0], temp); + emit_flop(pc, NV50_FLOP_COS, dst[0], temp); if (mask & (1 << 1)) - emit_flop(pc, 4, dst[1], temp); + emit_flop(pc, NV50_FLOP_SIN, dst[1], temp); if (mask & (1 << 2)) emit_mov_immdval(pc, dst[2], 0.0); if (mask & (1 << 3)) emit_mov_immdval(pc, dst[3], 1.0); break; + case TGSI_OPCODE_SHL: + case TGSI_OPCODE_ISHR: + case TGSI_OPCODE_USHR: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_shift(pc, dst[c], src[0][c], src[1][c], + inst->Instruction.Opcode); + } + break; case TGSI_OPCODE_SIN: if (mask & 8) { emit_precossin(pc, temp, src[0][3]); - emit_flop(pc, 4, dst[3], temp); + emit_flop(pc, NV50_FLOP_SIN, dst[3], temp); if (!(mask &= 7)) break; if (temp == dst[3]) - temp = brdc = temp_temp(pc); + temp = brdc = temp_temp(pc, NULL); } emit_precossin(pc, temp, src[0][0]); - emit_flop(pc, 4, brdc, temp); + emit_flop(pc, NV50_FLOP_SIN, brdc, temp); break; case TGSI_OPCODE_SLT: case TGSI_OPCODE_SGE: @@ -2165,12 +3037,23 @@ nv50_program_tx_insn(struct nv50_pc *pc, case TGSI_OPCODE_SGT: case TGSI_OPCODE_SLE: case TGSI_OPCODE_SNE: - i = map_tgsi_setop_cc(inst->Instruction.Opcode); + case TGSI_OPCODE_ISLT: + case TGSI_OPCODE_ISGE: + case TGSI_OPCODE_USEQ: + case TGSI_OPCODE_USGE: + case TGSI_OPCODE_USLT: + case TGSI_OPCODE_USNE: + { + uint8_t cc, ty; + + map_tgsi_setop_hw(inst->Instruction.Opcode, &cc, &ty); + for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; - emit_set(pc, i, dst[c], -1, src[0][c], src[1][c]); + emit_set(pc, cc, dst[c], -1, src[0][c], src[1][c], ty); } + } break; case TGSI_OPCODE_SUB: for (c = 0; c < 4; c++) { @@ -2181,22 +3064,91 @@ nv50_program_tx_insn(struct nv50_pc *pc, break; case TGSI_OPCODE_TEX: emit_tex(pc, dst, mask, src[0], unit, - inst->InstructionExtTexture.Texture, FALSE); + inst->Texture.Texture, FALSE, 0); + break; + case TGSI_OPCODE_TXB: + emit_tex(pc, dst, mask, src[0], unit, + inst->Texture.Texture, FALSE, -1); + break; + case TGSI_OPCODE_TXL: + emit_tex(pc, dst, mask, src[0], unit, + inst->Texture.Texture, FALSE, 1); break; case TGSI_OPCODE_TXP: emit_tex(pc, dst, mask, src[0], unit, - inst->InstructionExtTexture.Texture, TRUE); + inst->Texture.Texture, TRUE, 0); break; case TGSI_OPCODE_TRUNC: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; emit_cvt(pc, dst[c], src[0][c], -1, - CVTOP_TRUNC, CVT_F32_F32 | CVT_RI); + CVT_TRUNC | CVT_F32_F32 | CVT_RI); + } + break; + case TGSI_OPCODE_U2F: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_cvt(pc, dst[c], src[0][c], -1, CVT_F32_U32); + } + break; + case TGSI_OPCODE_UADD: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_add_b32(pc, dst[c], src[0][c], src[1][c]); + } + break; + case TGSI_OPCODE_UMAX: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_minmax(pc, 0x084, dst[c], src[0][c], src[1][c]); + } + break; + case TGSI_OPCODE_UMIN: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_minmax(pc, 0x0a4, dst[c], src[0][c], src[1][c]); + } + break; + case TGSI_OPCODE_UMAD: + { + assert(!temp); + temp = temp_temp(pc, NULL); + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_mul_u16(pc, temp, src[0][c], 0, src[1][c], 1); + emit_mad_u16(pc, temp, src[0][c], 1, src[1][c], 0, + temp); + emit_shl_imm(pc, temp, temp, 16); + emit_mad_u16(pc, temp, src[0][c], 0, src[1][c], 0, + temp); + emit_add_b32(pc, dst[c], temp, src[2][c]); } + } + break; + case TGSI_OPCODE_UMUL: + { + assert(!temp); + temp = temp_temp(pc, NULL); + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_mul_u16(pc, temp, src[0][c], 0, src[1][c], 1); + emit_mad_u16(pc, temp, src[0][c], 1, src[1][c], 0, + temp); + emit_shl_imm(pc, temp, temp, 16); + emit_mad_u16(pc, dst[c], src[0][c], 0, src[1][c], 0, + temp); + } + } break; case TGSI_OPCODE_XPD: - temp = temp_temp(pc); + temp = temp_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); @@ -2213,6 +3165,21 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_mov_immdval(pc, dst[3], 1.0); break; case TGSI_OPCODE_END: + if (pc->p->type == PIPE_SHADER_FRAGMENT) + nv50_fp_move_results(pc); + + /* last insn must be long so it can have the exit bit set */ + if (!is_long(pc->p->exec_tail)) + convert_to_long(pc, pc->p->exec_tail); + else + if (is_immd(pc->p->exec_tail) || + is_join(pc->p->exec_tail) || + is_control_flow(pc->p->exec_tail)) + emit_nop(pc); + + pc->p->exec_tail->inst[1] |= 1; /* set exit bit */ + + terminate_mbb(pc); break; default: NOUVEAU_ERR("invalid opcode %d\n", inst->Instruction.Opcode); @@ -2239,39 +3206,34 @@ nv50_program_tx_insn(struct nv50_pc *pc, } } - for (i = 0; i < inst->Instruction.NumSrcRegs; i++) { - for (c = 0; c < 4; c++) { - if (!src[i][c]) - continue; - src[i][c]->mod = 0; - if (src[i][c]->index == -1 && src[i][c]->type == P_IMMD) - FREE(src[i][c]); - else - if (src[i][c]->acc < 0 && src[i][c]->type == P_CONST) - FREE(src[i][c]); /* indirect constant */ - } - } + kill_temp_temp(pc, NULL); + pc->reg_instance_nr = 0; - kill_temp_temp(pc); return TRUE; } static void prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn) { - struct nv50_reg *reg = NULL; + struct nv50_reg *r, *reg = NULL; const struct tgsi_full_src_register *src; const struct tgsi_dst_register *dst; unsigned i, c, k, mask; - dst = &insn->FullDstRegisters[0].DstRegister; + dst = &insn->Dst[0].Register; mask = dst->WriteMask; if (dst->File == TGSI_FILE_TEMPORARY) - reg = pc->temp; + reg = pc->temp; else - if (dst->File == TGSI_FILE_OUTPUT) - reg = pc->result; + if (dst->File == TGSI_FILE_OUTPUT) { + reg = pc->result; + + if (insn->Instruction.Opcode == TGSI_OPCODE_MOV && + dst->Index == pc->edgeflag_out && + insn->Src[0].Register.File == TGSI_FILE_INPUT) + pc->p->cfg.edgeflag_in = insn->Src[0].Register.Index; + } if (reg) { for (c = 0; c < 4; c++) { @@ -2282,12 +3244,12 @@ prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn) } for (i = 0; i < insn->Instruction.NumSrcRegs; i++) { - src = &insn->FullSrcRegisters[i]; + src = &insn->Src[i]; - if (src->SrcRegister.File == TGSI_FILE_TEMPORARY) + if (src->Register.File == TGSI_FILE_TEMPORARY) reg = pc->temp; else - if (src->SrcRegister.File == TGSI_FILE_INPUT) + if (src->Register.File == TGSI_FILE_INPUT) reg = pc->attr; else continue; @@ -2299,7 +3261,15 @@ prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn) continue; k = tgsi_util_get_full_src_register_swizzle(src, c); - reg[src->SrcRegister.Index * 4 + k].acc = pc->insn_nr; + r = ®[src->Register.Index * 4 + k]; + + /* If used before written, pre-allocate the reg, + * lest we overwrite results from a subroutine. + */ + if (!r->acc && r->type == P_TEMP) + alloc_reg(pc, r); + + r->acc = pc->insn_nr; } } } @@ -2313,7 +3283,7 @@ prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn) static unsigned nv50_revdep_reorder(unsigned m[4], unsigned rdep[4]) { - unsigned i, c, x, unsafe; + unsigned i, c, x, unsafe = 0; for (c = 0; c < 4; c++) m[c] = c; @@ -2359,13 +3329,13 @@ static struct nv50_reg * tgsi_broadcast_dst(struct nv50_pc *pc, const struct tgsi_full_dst_register *fd, unsigned mask) { - if (fd->DstRegister.File == TGSI_FILE_TEMPORARY) { - int c = ffs(~mask & fd->DstRegister.WriteMask); + if (fd->Register.File == TGSI_FILE_TEMPORARY) { + int c = ffs(~mask & fd->Register.WriteMask); if (c) return tgsi_dst(pc, c - 1, fd); } else { - int c = ffs(fd->DstRegister.WriteMask) - 1; - if ((1 << c) == fd->DstRegister.WriteMask) + int c = ffs(fd->Register.WriteMask) - 1; + if ((1 << c) == fd->Register.WriteMask) return tgsi_dst(pc, c, fd); } @@ -2379,7 +3349,7 @@ static unsigned nv50_tgsi_scan_swizzle(const struct tgsi_full_instruction *insn, unsigned rdep[4]) { - const struct tgsi_full_dst_register *fd = &insn->FullDstRegisters[0]; + const struct tgsi_full_dst_register *fd = &insn->Dst[0]; const struct tgsi_full_src_register *fs; unsigned i, deqs = 0; @@ -2388,11 +3358,11 @@ nv50_tgsi_scan_swizzle(const struct tgsi_full_instruction *insn, for (i = 0; i < insn->Instruction.NumSrcRegs; i++) { unsigned chn, mask = nv50_tgsi_src_mask(insn, i); - boolean neg_supp = negate_supported(insn, i); + int ms = get_supported_mods(insn, i); - fs = &insn->FullSrcRegisters[i]; - if (fs->SrcRegister.File != fd->DstRegister.File || - fs->SrcRegister.Index != fd->DstRegister.Index) + fs = &insn->Src[i]; + if (fs->Register.File != fd->Register.File || + fs->Register.Index != fd->Register.Index) continue; for (chn = 0; chn < 4; ++chn) { @@ -2403,13 +3373,15 @@ nv50_tgsi_scan_swizzle(const struct tgsi_full_instruction *insn, c = tgsi_util_get_full_src_register_swizzle(fs, chn); s = tgsi_util_get_full_src_register_sign_mode(fs, chn); - if (!(fd->DstRegister.WriteMask & (1 << c))) + if (!(fd->Register.WriteMask & (1 << c))) continue; - /* no danger if src is copied to TEMP first */ - if ((s != TGSI_UTIL_SIGN_KEEP) && - (s != TGSI_UTIL_SIGN_TOGGLE || !neg_supp)) - continue; + if (s == TGSI_UTIL_SIGN_TOGGLE && !(ms & NV50_MOD_NEG)) + continue; + if (s == TGSI_UTIL_SIGN_CLEAR && !(ms & NV50_MOD_ABS)) + continue; + if ((s == TGSI_UTIL_SIGN_SET) && ((ms & 3) != 3)) + continue; rdep[c] |= nv50_tgsi_dst_revdep( insn->Instruction.Opcode, i, chn); @@ -2427,18 +3399,18 @@ nv50_tgsi_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) const struct tgsi_full_dst_register *fd; unsigned i, deqs, rdep[4], m[4]; - fd = &tok->FullInstruction.FullDstRegisters[0]; + fd = &tok->FullInstruction.Dst[0]; deqs = nv50_tgsi_scan_swizzle(&insn, rdep); if (is_scalar_op(insn.Instruction.Opcode)) { pc->r_brdc = tgsi_broadcast_dst(pc, fd, deqs); if (!pc->r_brdc) - pc->r_brdc = temp_temp(pc); + pc->r_brdc = temp_temp(pc, NULL); return nv50_program_tx_insn(pc, &insn); } pc->r_brdc = NULL; - if (!deqs) + if (!deqs || (!rdep[0] && !rdep[1] && !rdep[2] && !rdep[3])) return nv50_program_tx_insn(pc, &insn); deqs = nv50_revdep_reorder(m, rdep); @@ -2446,10 +3418,10 @@ nv50_tgsi_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) for (i = 0; i < 4; ++i) { assert(pc->r_dst[m[i]] == NULL); - insn.FullDstRegisters[0].DstRegister.WriteMask = - fd->DstRegister.WriteMask & (1 << m[i]); + insn.Dst[0].Register.WriteMask = + fd->Register.WriteMask & (1 << m[i]); - if (!insn.FullDstRegisters[0].DstRegister.WriteMask) + if (!insn.Dst[0].Register.WriteMask) continue; if (deqs & (1 << i)) @@ -2489,7 +3461,7 @@ load_interpolant(struct nv50_pc *pc, struct nv50_reg *reg) iv->rhw = popcnt4(pc->p->cfg.regs[1] >> 24) - 1; emit_interp(pc, iv, NULL, mode & INTERP_CENTROID); - emit_flop(pc, 0, iv, iv); + emit_flop(pc, NV50_FLOP_RCP, iv, iv); /* XXX: when loading interpolants dynamically, move these * to the program head, or make sure it can't be skipped. @@ -2503,17 +3475,53 @@ load_interpolant(struct nv50_pc *pc, struct nv50_reg *reg) * value of 0 for back-facing, and 0xffffffff for front-facing. */ static void -load_frontfacing(struct nv50_pc *pc, struct nv50_reg *a) +load_frontfacing(struct nv50_pc *pc, struct nv50_reg *sv) { - struct nv50_reg *one = alloc_immd(pc, 1.0f); + struct nv50_reg *temp = alloc_temp(pc, NULL); + int r_pred = 0; - assert(a->rhw == -1); - alloc_reg(pc, a); /* do this before rhw is set */ - a->rhw = 255; - load_interpolant(pc, a); - emit_bitop2(pc, a, a, one, TGSI_OPCODE_AND); + temp->rhw = 255; + emit_interp(pc, temp, NULL, INTERP_FLAT); - FREE(one); + emit_cvt(pc, sv, temp, r_pred, CVT_ABS | CVT_F32_S32); + + emit_not(pc, temp, temp); + set_pred(pc, 0x2, r_pred, pc->p->exec_tail); + emit_cvt(pc, sv, temp, -1, CVT_F32_S32); + set_pred(pc, 0x2, r_pred, pc->p->exec_tail); + + free_temp(pc, temp); +} + +static void +load_instance_id(struct nv50_pc *pc, unsigned index) +{ + struct nv50_reg reg, mem; + + ctor_reg(®, P_TEMP, -1, -1); + ctor_reg(&mem, P_CONST, -1, 24); /* startInstance */ + mem.buf_index = 2; + + emit_add_b32(pc, ®, &pc->sysval[index], &mem); + pc->sysval[index] = reg; +} + +static void +copy_semantic_info(struct nv50_program *p) +{ + unsigned i, id; + + for (i = 0; i < p->cfg.in_nr; ++i) { + id = p->cfg.in[i].id; + p->cfg.in[i].sn = p->info.input_semantic_name[id]; + p->cfg.in[i].si = p->info.input_semantic_index[id]; + } + + for (i = 0; i < p->cfg.out_nr; ++i) { + id = p->cfg.out[i].id; + p->cfg.out[i].sn = p->info.output_semantic_name[id]; + p->cfg.out[i].si = p->info.output_semantic_index[id]; + } } static boolean @@ -2522,7 +3530,7 @@ nv50_program_tx_prep(struct nv50_pc *pc) struct tgsi_parse_context tp; struct nv50_program *p = pc->p; boolean ret = FALSE; - unsigned i, c, flat_nr = 0; + unsigned i, c, instance_id, vertex_id, flat_nr = 0; tgsi_parse_init(&tp, pc->p->pipe.tokens); while (!tgsi_parse_end_of_tokens(&tp)) { @@ -2535,10 +3543,10 @@ nv50_program_tx_prep(struct nv50_pc *pc) const struct tgsi_full_immediate *imm = &tp.FullToken.FullImmediate; - ctor_immd(pc, imm->u[0].Float, - imm->u[1].Float, - imm->u[2].Float, - imm->u[3].Float); + ctor_immd_4f32(pc, imm->u[0].Float, + imm->u[1].Float, + imm->u[2].Float, + imm->u[3].Float); } break; case TGSI_TOKEN_TYPE_DECLARATION: @@ -2547,8 +3555,8 @@ nv50_program_tx_prep(struct nv50_pc *pc) unsigned si, last, first, mode; d = &tp.FullToken.FullDeclaration; - first = d->DeclarationRange.First; - last = d->DeclarationRange.Last; + first = d->Range.First; + last = d->Range.Last; switch (d->Declaration.File) { case TGSI_FILE_TEMPORARY: @@ -2558,17 +3566,20 @@ nv50_program_tx_prep(struct nv50_pc *pc) p->type == PIPE_SHADER_FRAGMENT) break; - si = d->Semantic.SemanticIndex; - switch (d->Semantic.SemanticName) { + si = d->Semantic.Index; + switch (d->Semantic.Name) { case TGSI_SEMANTIC_BCOLOR: p->cfg.two_side[si].hw = first; - if (p->cfg.io_nr > first) - p->cfg.io_nr = first; + if (p->cfg.out_nr > first) + p->cfg.out_nr = first; break; case TGSI_SEMANTIC_PSIZE: p->cfg.psiz = first; - if (p->cfg.io_nr > first) - p->cfg.io_nr = first; + if (p->cfg.out_nr > first) + p->cfg.out_nr = first; + break; + case TGSI_SEMANTIC_EDGEFLAG: + pc->edgeflag_out = first; break; /* case TGSI_SEMANTIC_CLIP_DISTANCE: @@ -2605,6 +3616,37 @@ nv50_program_tx_prep(struct nv50_pc *pc) pc->interp_mode[i] = mode; } break; + case TGSI_FILE_SYSTEM_VALUE: + assert(d->Declaration.Semantic); + switch (d->Semantic.Name) { + case TGSI_SEMANTIC_FACE: + assert(p->type == PIPE_SHADER_FRAGMENT); + load_frontfacing(pc, + &pc->sysval[first]); + break; + case TGSI_SEMANTIC_INSTANCEID: + assert(p->type == PIPE_SHADER_VERTEX); + instance_id = first; + p->cfg.regs[0] |= (1 << 4); + break; + case TGSI_SEMANTIC_PRIMID: + assert(p->type != PIPE_SHADER_VERTEX); + p->cfg.prim_id = first; + break; + /* + case TGSI_SEMANTIC_PRIMIDIN: + assert(p->type == PIPE_SHADER_GEOMETRY); + pc->sysval[first].hw = 6; + p->cfg.regs[0] |= (1 << 8); + break; + case TGSI_SEMANTIC_VERTEXID: + assert(p->type == PIPE_SHADER_VERTEX); + vertex_id = first; + p->cfg.regs[0] |= (1 << 12) | (1 << 0); + break; + */ + } + break; case TGSI_FILE_ADDRESS: case TGSI_FILE_CONSTANT: case TGSI_FILE_SAMPLER: @@ -2625,36 +3667,65 @@ nv50_program_tx_prep(struct nv50_pc *pc) } } - if (p->type == PIPE_SHADER_VERTEX) { + if (p->type == PIPE_SHADER_VERTEX || p->type == PIPE_SHADER_GEOMETRY) { int rid = 0; - for (i = 0; i < pc->attr_nr * 4; ++i) { - if (pc->attr[i].acc) { - pc->attr[i].hw = rid++; - p->cfg.attr[i / 32] |= 1 << (i % 32); + if (p->type == PIPE_SHADER_GEOMETRY) { + for (i = 0; i < pc->attr_nr; ++i) { + p->cfg.in[i].hw = rid; + p->cfg.in[i].id = i; + + for (c = 0; c < 4; ++c) { + int n = i * 4 + c; + if (!pc->attr[n].acc) + continue; + pc->attr[n].hw = rid++; + p->cfg.in[i].mask |= 1 << c; + } + } + } else { + for (i = 0; i < pc->attr_nr * 4; ++i) { + if (pc->attr[i].acc) { + pc->attr[i].hw = rid++; + p->cfg.attr[i / 32] |= 1 << (i % 32); + } + } + if (p->cfg.regs[0] & (1 << 0)) + pc->sysval[vertex_id].hw = rid++; + if (p->cfg.regs[0] & (1 << 4)) { + pc->sysval[instance_id].hw = rid++; + load_instance_id(pc, instance_id); } } for (i = 0, rid = 0; i < pc->result_nr; ++i) { - p->cfg.io[i].hw = rid; - p->cfg.io[i].id_vp = i; + p->cfg.out[i].hw = rid; + p->cfg.out[i].id = i; for (c = 0; c < 4; ++c) { int n = i * 4 + c; if (!pc->result[n].acc) continue; pc->result[n].hw = rid++; - p->cfg.io[i].mask |= 1 << c; + p->cfg.out[i].mask |= 1 << c; } } + if (p->cfg.prim_id < 0x40) { + /* GP has to write to PrimitiveID */ + ctor_reg(&pc->sysval[p->cfg.prim_id], + P_RESULT, p->cfg.prim_id, rid); + p->cfg.prim_id = rid++; + } for (c = 0; c < 2; ++c) if (p->cfg.two_side[c].hw < 0x40) - p->cfg.two_side[c] = p->cfg.io[ + p->cfg.two_side[c] = p->cfg.out[ p->cfg.two_side[c].hw]; if (p->cfg.psiz < 0x40) - p->cfg.psiz = p->cfg.io[p->cfg.psiz].hw; + p->cfg.psiz = p->cfg.out[p->cfg.psiz].hw; + + copy_semantic_info(p); } else if (p->type == PIPE_SHADER_FRAGMENT) { int rid, aid; @@ -2662,33 +3733,34 @@ nv50_program_tx_prep(struct nv50_pc *pc) pc->allow32 = TRUE; - int base = (TGSI_SEMANTIC_POSITION == - p->info.input_semantic_name[0]) ? 0 : 1; + /* do we read FragCoord ? */ + if (pc->attr_nr && + p->info.input_semantic_name[0] == TGSI_SEMANTIC_POSITION) { + /* select FCRD components we want accessible */ + for (c = 0; c < 4; ++c) + if (pc->attr[c].acc) + p->cfg.regs[1] |= 1 << (24 + c); + aid = 0; + } else /* offset by 1 if FCRD.w is needed for pinterp */ + aid = popcnt4(p->cfg.regs[1] >> 24); /* non-flat interpolants have to be mapped to * the lower hardware IDs, so sort them: */ for (i = 0; i < pc->attr_nr; i++) { - if (pc->interp_mode[i] == INTERP_FLAT) { - p->cfg.io[m].id_vp = i + base; - p->cfg.io[m++].id_fp = i; - } else { + if (pc->interp_mode[i] == INTERP_FLAT) + p->cfg.in[m++].id = i; + else { if (!(pc->interp_mode[i] & INTERP_PERSPECTIVE)) - p->cfg.io[n].linear = TRUE; - p->cfg.io[n].id_vp = i + base; - p->cfg.io[n++].id_fp = i; + p->cfg.in[n].linear = TRUE; + p->cfg.in[n++].id = i; } } - - if (!base) /* set w-coordinate mask from perspective interp */ - p->cfg.io[0].mask |= p->cfg.regs[1] >> 24; - - aid = popcnt4( /* if fcrd isn't contained in cfg.io */ - base ? (p->cfg.regs[1] >> 24) : p->cfg.io[0].mask); + copy_semantic_info(p); for (n = 0; n < pc->attr_nr; ++n) { - p->cfg.io[n].hw = rid = aid; - i = p->cfg.io[n].id_fp; + p->cfg.in[n].hw = rid = aid; + i = p->cfg.in[n].id; if (p->info.input_semantic_name[n] == TGSI_SEMANTIC_FACE) { @@ -2700,16 +3772,13 @@ nv50_program_tx_prep(struct nv50_pc *pc) if (!pc->attr[i * 4 + c].acc) continue; pc->attr[i * 4 + c].rhw = rid++; - p->cfg.io[n].mask |= 1 << c; + p->cfg.in[n].mask |= 1 << c; load_interpolant(pc, &pc->attr[i * 4 + c]); } - aid += popcnt4(p->cfg.io[n].mask); + aid += popcnt4(p->cfg.in[n].mask); } - if (!base) - p->cfg.regs[1] |= p->cfg.io[0].mask << 24; - m = popcnt4(p->cfg.regs[1] >> 24); /* set count of non-position inputs and of non-flat @@ -2718,32 +3787,33 @@ nv50_program_tx_prep(struct nv50_pc *pc) p->cfg.regs[1] |= aid - m; if (flat_nr) { - i = p->cfg.io[pc->attr_nr - flat_nr].hw; + i = p->cfg.in[pc->attr_nr - flat_nr].hw; p->cfg.regs[1] |= (i - m) << 16; } else p->cfg.regs[1] |= p->cfg.regs[1] << 16; /* mark color semantic for light-twoside */ - n = 0x40; - for (i = 0; i < pc->attr_nr; i++) { - ubyte si, sn; - - sn = p->info.input_semantic_name[p->cfg.io[i].id_fp]; - si = p->info.input_semantic_index[p->cfg.io[i].id_fp]; - - if (sn == TGSI_SEMANTIC_COLOR) { - p->cfg.two_side[si] = p->cfg.io[i]; - - /* increase colour count */ - p->cfg.regs[0] += popcnt4( - p->cfg.two_side[si].mask) << 16; - - n = MIN2(n, p->cfg.io[i].hw - m); + n = 0x80; + for (i = 0; i < p->cfg.in_nr; i++) { + if (p->cfg.in[i].sn == TGSI_SEMANTIC_COLOR) { + n = MIN2(n, p->cfg.in[i].hw - m); + p->cfg.two_side[p->cfg.in[i].si] = p->cfg.in[i]; + + p->cfg.regs[0] += /* increase colour count */ + popcnt4(p->cfg.in[i].mask) << 16; } } - if (n < 0x40) + if (n < 0x80) p->cfg.regs[0] += n; + if (p->cfg.prim_id < 0x40) { + pc->sysval[p->cfg.prim_id].rhw = rid++; + emit_interp(pc, &pc->sysval[p->cfg.prim_id], NULL, + INTERP_FLAT); + /* increase FP_INTERPOLANT_CTRL_COUNT */ + p->cfg.regs[1] += 1; + } + /* Initialize FP results: * FragDepth is always first TGSI and last hw output */ @@ -2797,10 +3867,31 @@ free_nv50_pc(struct nv50_pc *pc) FREE(pc->attr); if (pc->temp) FREE(pc->temp); + if (pc->sysval) + FREE(pc->sysval); + if (pc->insn_pos) + FREE(pc->insn_pos); FREE(pc); } +static INLINE uint32_t +nv50_map_gs_output_prim(unsigned pprim) +{ + switch (pprim) { + case PIPE_PRIM_POINTS: + return NV50TCL_GP_OUTPUT_PRIMITIVE_TYPE_POINTS; + case PIPE_PRIM_LINE_STRIP: + return NV50TCL_GP_OUTPUT_PRIMITIVE_TYPE_LINE_STRIP; + case PIPE_PRIM_TRIANGLE_STRIP: + return NV50TCL_GP_OUTPUT_PRIMITIVE_TYPE_TRIANGLE_STRIP; + default: + NOUVEAU_ERR("invalid GS_OUTPUT_PRIMITIVE: %u\n", pprim); + abort(); + return 0; + } +} + static boolean ctor_nv50_pc(struct nv50_pc *pc, struct nv50_program *p) { @@ -2814,23 +3905,55 @@ ctor_nv50_pc(struct nv50_pc *pc, struct nv50_program *p) pc->param_nr = p->info.file_max[TGSI_FILE_CONSTANT] + 1; pc->addr_nr = p->info.file_max[TGSI_FILE_ADDRESS] + 1; assert(pc->addr_nr <= 2); + pc->sysval_nr = p->info.file_max[TGSI_FILE_SYSTEM_VALUE] + 1; p->cfg.high_temp = 4; p->cfg.two_side[0].hw = 0x40; p->cfg.two_side[1].hw = 0x40; + p->cfg.prim_id = 0x40; + + p->cfg.edgeflag_in = pc->edgeflag_out = 0xff; + + for (i = 0; i < p->info.num_properties; ++i) { + unsigned *data = &p->info.properties[i].data[0]; + + switch (p->info.properties[i].name) { + case TGSI_PROPERTY_GS_OUTPUT_PRIM: + p->cfg.prim_type = nv50_map_gs_output_prim(data[0]); + break; + case TGSI_PROPERTY_GS_MAX_VERTICES: + p->cfg.vert_count = data[0]; + break; + default: + break; + } + } switch (p->type) { case PIPE_SHADER_VERTEX: p->cfg.psiz = 0x40; p->cfg.clpd = 0x40; - p->cfg.io_nr = pc->result_nr; + p->cfg.out_nr = pc->result_nr; + break; + case PIPE_SHADER_GEOMETRY: + assert(p->cfg.prim_type); + assert(p->cfg.vert_count); + + p->cfg.psiz = 0x80; + p->cfg.clpd = 0x80; + p->cfg.prim_id = 0x80; + p->cfg.out_nr = pc->result_nr; + p->cfg.in_nr = pc->attr_nr; + + p->cfg.two_side[0].hw = 0x80; + p->cfg.two_side[1].hw = 0x80; break; case PIPE_SHADER_FRAGMENT: rtype[0] = rtype[1] = P_TEMP; p->cfg.regs[0] = 0x01000004; - p->cfg.io_nr = pc->attr_nr; + p->cfg.in_nr = pc->attr_nr; if (p->info.writes_z) { p->cfg.regs[2] |= 0x00000100; @@ -2888,33 +4011,24 @@ ctor_nv50_pc(struct nv50_pc *pc, struct nv50_program *p) return FALSE; } for (i = 0; i < NV50_SU_MAX_ADDR; ++i) - ctor_reg(&pc->r_addr[i], P_ADDR, -256, i + 1); - - return TRUE; -} + ctor_reg(&pc->r_addr[i], P_ADDR, -1, i + 1); -static void -nv50_fp_move_results(struct nv50_pc *pc) -{ - struct nv50_reg reg; - unsigned i; - - ctor_reg(®, P_TEMP, -1, -1); - - for (i = 0; i < pc->result_nr * 4; ++i) { - if (pc->result[i].rhw < 0 || pc->result[i].hw < 0) - continue; - if (pc->result[i].rhw != pc->result[i].hw) { - reg.hw = pc->result[i].rhw; - emit_mov(pc, ®, &pc->result[i]); - } + if (pc->sysval_nr) { + pc->sysval = CALLOC(pc->sysval_nr, sizeof(struct nv50_reg *)); + if (!pc->sysval) + return FALSE; + /* will only ever use SYSTEM_VALUE[i].x (hopefully) */ + for (i = 0; i < pc->sysval_nr; ++i) + ctor_reg(&pc->sysval[i], rtype[0], i, -1); } + + return TRUE; } static void nv50_program_fixup_insns(struct nv50_pc *pc) { - struct nv50_program_exec *e, *prev = NULL, **bra_list; + struct nv50_program_exec *e, **bra_list; unsigned i, n, pos; bra_list = CALLOC(pc->p->exec_size, sizeof(struct nv50_program_exec *)); @@ -2934,27 +4048,24 @@ nv50_program_fixup_insns(struct nv50_pc *pc) for (i = 0; i < n; ++i) if (bra_list[i]->param.index >= pos) bra_list[i]->param.index += 1; + for (i = 0; i < pc->insn_nr; ++i) + if (pc->insn_pos[i] >= pos) + pc->insn_pos[i] += 1; convert_to_long(pc, e); ++pos; } - if (e->next) - prev = e; } - assert(!is_immd(pc->p->exec_head)); - assert(!is_immd(pc->p->exec_tail)); + FREE(bra_list); - /* last instruction must be long so it can have the end bit set */ - if (!is_long(pc->p->exec_tail)) { - convert_to_long(pc, pc->p->exec_tail); - if (prev) - convert_to_long(pc, prev); - } - assert(!(pc->p->exec_tail->inst[1] & 2)); - /* set the end-bit */ - pc->p->exec_tail->inst[1] |= 1; + if (!pc->p->info.opcode_count[TGSI_OPCODE_CAL]) + return; - FREE(bra_list); + /* fill in CALL offsets */ + for (e = pc->p->exec_head; e; e = e->next) { + if ((e->inst[0] & 2) && (e->inst[0] >> 28) == 0x2) + e->param.index = pc->insn_pos[e->param.index]; + } } static boolean @@ -2976,19 +4087,20 @@ nv50_program_tx(struct nv50_program *p) if (ret == FALSE) goto out_cleanup; + pc->insn_pos = MALLOC(pc->insn_nr * sizeof(unsigned)); + tgsi_parse_init(&parse, pc->p->pipe.tokens); while (!tgsi_parse_end_of_tokens(&parse)) { const union tgsi_full_token *tok = &parse.FullToken; - /* don't allow half insn/immd on first and last instruction */ + /* previously allow32 was FALSE for first & last instruction */ pc->allow32 = TRUE; - if (pc->insn_cur == 0 || pc->insn_cur + 2 == pc->insn_nr) - pc->allow32 = FALSE; tgsi_parse_token(&parse); switch (tok->Token.Type) { case TGSI_TOKEN_TYPE_INSTRUCTION: + pc->insn_pos[pc->insn_cur] = pc->p->exec_size; ++pc->insn_cur; ret = nv50_tgsi_insn(pc, tok); if (ret == FALSE) @@ -2999,9 +4111,6 @@ nv50_program_tx(struct nv50_program *p) } } - if (pc->p->type == PIPE_SHADER_FRAGMENT) - nv50_fp_move_results(pc); - nv50_program_fixup_insns(pc); p->param_nr = pc->param_nr * 4; @@ -3025,7 +4134,7 @@ nv50_program_validate(struct nv50_context *nv50, struct nv50_program *p) } static void -nv50_program_upload_data(struct nv50_context *nv50, float *map, +nv50_program_upload_data(struct nv50_context *nv50, uint32_t *map, unsigned start, unsigned count, unsigned cbuf) { struct nouveau_channel *chan = nv50->screen->base.channel; @@ -3073,13 +4182,17 @@ nv50_program_validate_data(struct nv50_context *nv50, struct nv50_program *p) if (p->param_nr) { unsigned cb; - float *map = pipe_buffer_map(pscreen, nv50->constbuf[p->type], - PIPE_BUFFER_USAGE_CPU_READ); - - if (p->type == PIPE_SHADER_VERTEX) + uint32_t *map = pipe_buffer_map(pscreen, + nv50->constbuf[p->type], + PIPE_BUFFER_USAGE_CPU_READ); + switch (p->type) { + case PIPE_SHADER_GEOMETRY: cb = NV50_CB_PGP; break; + case PIPE_SHADER_FRAGMENT: cb = NV50_CB_PFP; break; + default: cb = NV50_CB_PVP; - else - cb = NV50_CB_PFP; + assert(p->type == PIPE_SHADER_VERTEX); + break; + } nv50_program_upload_data(nv50, map, 0, p->param_nr, cb); pipe_buffer_unmap(pscreen, nv50->constbuf[p->type]); @@ -3173,19 +4286,18 @@ nv50_vertprog_validate(struct nv50_context *nv50) nv50_program_validate_data(nv50, p); nv50_program_validate_code(nv50, p); - so = so_new(13, 2); + so = so_new(5, 7, 2); so_method(so, tesla, NV50TCL_VP_ADDRESS_HIGH, 2); so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | - NOUVEAU_BO_HIGH, 0, 0); + NOUVEAU_BO_HIGH, 0, 0); so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | - NOUVEAU_BO_LOW, 0, 0); + NOUVEAU_BO_LOW, 0, 0); so_method(so, tesla, NV50TCL_VP_ATTR_EN_0, 2); so_data (so, p->cfg.attr[0]); so_data (so, p->cfg.attr[1]); so_method(so, tesla, NV50TCL_VP_REG_ALLOC_RESULT, 1); so_data (so, p->cfg.high_result); - so_method(so, tesla, NV50TCL_VP_RESULT_MAP_SIZE, 2); - so_data (so, p->cfg.high_result); //8); + so_method(so, tesla, NV50TCL_VP_REG_ALLOC_TEMP, 1); so_data (so, p->cfg.high_temp); so_method(so, tesla, NV50TCL_VP_START_ID, 1); so_data (so, 0); /* program start offset */ @@ -3209,7 +4321,7 @@ nv50_fragprog_validate(struct nv50_context *nv50) nv50_program_validate_data(nv50, p); nv50_program_validate_code(nv50, p); - so = so_new(64, 2); + so = so_new(6, 7, 2); so_method(so, tesla, NV50TCL_FP_ADDRESS_HIGH, 2); so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0); @@ -3219,7 +4331,7 @@ nv50_fragprog_validate(struct nv50_context *nv50) so_data (so, p->cfg.high_temp); so_method(so, tesla, NV50TCL_FP_RESULT_COUNT, 1); so_data (so, p->cfg.high_result); - so_method(so, tesla, NV50TCL_FP_CTRL_UNK19A8, 1); + so_method(so, tesla, NV50TCL_FP_CONTROL, 1); so_data (so, p->cfg.regs[2]); so_method(so, tesla, NV50TCL_FP_CTRL_UNK196C, 1); so_data (so, p->cfg.regs[3]); @@ -3229,65 +4341,111 @@ nv50_fragprog_validate(struct nv50_context *nv50) so_ref(NULL, &so); } -static void +void +nv50_geomprog_validate(struct nv50_context *nv50) +{ + struct nouveau_grobj *tesla = nv50->screen->tesla; + struct nv50_program *p = nv50->geomprog; + 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(6, 7, 2); + so_method(so, tesla, NV50TCL_GP_ADDRESS_HIGH, 2); + so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | + NOUVEAU_BO_HIGH, 0, 0); + so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | + NOUVEAU_BO_LOW, 0, 0); + so_method(so, tesla, NV50TCL_GP_REG_ALLOC_TEMP, 1); + so_data (so, p->cfg.high_temp); + so_method(so, tesla, NV50TCL_GP_REG_ALLOC_RESULT, 1); + so_data (so, p->cfg.high_result); + so_method(so, tesla, NV50TCL_GP_OUTPUT_PRIMITIVE_TYPE, 1); + so_data (so, p->cfg.prim_type); + so_method(so, tesla, NV50TCL_GP_VERTEX_OUTPUT_COUNT, 1); + so_data (so, p->cfg.vert_count); + so_method(so, tesla, NV50TCL_GP_START_ID, 1); + so_data (so, 0); + so_ref(so, &nv50->state.geomprog); + so_ref(NULL, &so); +} + +static uint32_t nv50_pntc_replace(struct nv50_context *nv50, uint32_t pntc[8], unsigned base) { + struct nv50_program *vp; struct nv50_program *fp = nv50->fragprog; - struct nv50_program *vp = nv50->vertprog; unsigned i, c, m = base; + uint32_t origin = 0x00000010; + + vp = nv50->geomprog ? nv50->geomprog : nv50->vertprog; - /* XXX: This can't work correctly in all cases yet, we either - * have to create TGSI_SEMANTIC_PNTC or sprite_coord_mode has - * to be per FP input instead of per VP output + /* XXX: this might not work correctly in all cases yet - we'll + * just assume that an FP generic input that is not written in + * the VP is PointCoord. */ memset(pntc, 0, 8 * sizeof(uint32_t)); - for (i = 0; i < fp->cfg.io_nr; i++) { - uint8_t sn, si; - uint8_t j = fp->cfg.io[i].id_vp, k = fp->cfg.io[i].id_fp; - unsigned n = popcnt4(fp->cfg.io[i].mask); + for (i = 0; i < fp->cfg.in_nr; i++) { + unsigned j, n = popcnt4(fp->cfg.in[i].mask); - if (fp->info.input_semantic_name[k] != TGSI_SEMANTIC_GENERIC) { + if (fp->cfg.in[i].sn != TGSI_SEMANTIC_GENERIC) { m += n; continue; } - sn = vp->info.input_semantic_name[j]; - si = vp->info.input_semantic_index[j]; + for (j = 0; j < vp->cfg.out_nr; ++j) + if (vp->cfg.out[j].sn == fp->cfg.in[i].sn && + vp->cfg.out[j].si == fp->cfg.in[i].si) + break; - if (j < fp->cfg.io_nr && sn == TGSI_SEMANTIC_GENERIC) { - ubyte mode = - nv50->rasterizer->pipe.sprite_coord_mode[si]; + if (j < vp->cfg.out_nr) { + ubyte mode = nv50->rasterizer->pipe.sprite_coord_mode[ + vp->cfg.out[j].si]; if (mode == PIPE_SPRITE_COORD_NONE) { m += n; continue; - } + } else + if (mode == PIPE_SPRITE_COORD_LOWER_LEFT) + origin = 0; } /* this is either PointCoord or replaced by sprite coords */ for (c = 0; c < 4; c++) { - if (!(fp->cfg.io[i].mask & (1 << c))) + if (!(fp->cfg.in[i].mask & (1 << c))) continue; pntc[m / 8] |= (c + 1) << ((m % 8) * 4); ++m; } } + return origin; } static int -nv50_sreg4_map(uint32_t *p_map, int mid, uint32_t lin[4], - struct nv50_sreg4 *fpi, struct nv50_sreg4 *vpo) +nv50_vec4_map(uint32_t *map32, int mid, uint8_t zval, uint32_t lin[4], + struct nv50_sreg4 *fpi, struct nv50_sreg4 *vpo) { int c; uint8_t mv = vpo->mask, mf = fpi->mask, oid = vpo->hw; - uint8_t *map = (uint8_t *)p_map; + uint8_t *map = (uint8_t *)map32; for (c = 0; c < 4; ++c) { if (mf & 1) { if (fpi->linear == TRUE) lin[mid / 32] |= 1 << (mid % 32); - map[mid++] = (mv & 1) ? oid : ((c == 3) ? 0x41 : 0x40); + if (mv & 1) + map[mid] = oid; + else + map[mid] = (c == 3) ? (zval + 1) : zval; + ++mid; } oid += mv & 1; @@ -3299,34 +4457,42 @@ nv50_sreg4_map(uint32_t *p_map, int mid, uint32_t lin[4], } void -nv50_linkage_validate(struct nv50_context *nv50) +nv50_fp_linkage_validate(struct nv50_context *nv50) { struct nouveau_grobj *tesla = nv50->screen->tesla; struct nv50_program *vp = nv50->vertprog; struct nv50_program *fp = nv50->fragprog; struct nouveau_stateobj *so; - struct nv50_sreg4 dummy, *vpo; + struct nv50_sreg4 dummy; int i, n, c, m = 0; - uint32_t map[16], lin[4], reg[5], pcrd[8]; + uint32_t map[16], lin[4], reg[6], pcrd[8]; + uint8_t zval = 0x40; + if (nv50->geomprog) { + vp = nv50->geomprog; + zval = 0x80; + } memset(map, 0, sizeof(map)); memset(lin, 0, sizeof(lin)); reg[1] = 0x00000004; /* low and high clip distance map ids */ reg[2] = 0x00000000; /* layer index map id (disabled, GP only) */ reg[3] = 0x00000000; /* point size map id & enable */ + reg[5] = 0x00000000; /* primitive ID map slot */ reg[0] = fp->cfg.regs[0]; /* colour semantic reg */ reg[4] = fp->cfg.regs[1]; /* interpolant info */ dummy.linear = FALSE; dummy.mask = 0xf; /* map all components of HPOS */ - m = nv50_sreg4_map(map, m, lin, &dummy, &vp->cfg.io[0]); + m = nv50_vec4_map(map, m, zval, lin, &dummy, &vp->cfg.out[0]); dummy.mask = 0x0; if (vp->cfg.clpd < 0x40) { - for (c = 0; c < vp->cfg.clpd_nr; ++c) - map[m++] = vp->cfg.clpd + c; + for (c = 0; c < vp->cfg.clpd_nr; ++c) { + map[m / 4] |= (vp->cfg.clpd + c) << ((m % 4) * 8); + ++m; + } reg[1] = (m << 8); } @@ -3334,31 +4500,37 @@ nv50_linkage_validate(struct nv50_context *nv50) /* if light_twoside is active, it seems FFC0_ID == BFC0_ID is bad */ if (nv50->rasterizer->pipe.light_twoside) { - vpo = &vp->cfg.two_side[0]; + struct nv50_sreg4 *vpo = &vp->cfg.two_side[0]; + struct nv50_sreg4 *fpi = &fp->cfg.two_side[0]; - m = nv50_sreg4_map(map, m, lin, &fp->cfg.two_side[0], &vpo[0]); - m = nv50_sreg4_map(map, m, lin, &fp->cfg.two_side[1], &vpo[1]); + m = nv50_vec4_map(map, m, zval, lin, &fpi[0], &vpo[0]); + m = nv50_vec4_map(map, m, zval, lin, &fpi[1], &vpo[1]); } reg[0] += m - 4; /* adjust FFC0 id */ reg[4] |= m << 8; /* set mid where 'normal' FP inputs start */ - i = 0; - if (fp->info.input_semantic_name[0] == TGSI_SEMANTIC_POSITION) - i = 1; - for (; i < fp->cfg.io_nr; i++) { - ubyte sn = fp->info.input_semantic_name[fp->cfg.io[i].id_fp]; - ubyte si = fp->info.input_semantic_index[fp->cfg.io[i].id_fp]; - - n = fp->cfg.io[i].id_vp; - if (n >= vp->cfg.io_nr || - vp->info.output_semantic_name[n] != sn || - vp->info.output_semantic_index[n] != si) - vpo = &dummy; - else - vpo = &vp->cfg.io[n]; + for (i = 0; i < fp->cfg.in_nr; i++) { + /* maybe even remove these from cfg.io */ + if (fp->cfg.in[i].sn == TGSI_SEMANTIC_POSITION || + fp->cfg.in[i].sn == TGSI_SEMANTIC_FACE) + continue; - m = nv50_sreg4_map(map, m, lin, &fp->cfg.io[i], vpo); + for (n = 0; n < vp->cfg.out_nr; ++n) + if (vp->cfg.out[n].sn == fp->cfg.in[i].sn && + vp->cfg.out[n].si == fp->cfg.in[i].si) + break; + + m = nv50_vec4_map(map, m, zval, lin, &fp->cfg.in[i], + (n < vp->cfg.out_nr) ? + &vp->cfg.out[n] : &dummy); + } + /* PrimitiveID either is replaced by the system value, or + * written by the geometry shader into an output register + */ + if (fp->cfg.prim_id < 0x40) { + map[m / 4] |= vp->cfg.prim_id << ((m % 4) * 8); + reg[5] = m++; } if (nv50->rasterizer->pipe.point_size_per_vertex) { @@ -3366,14 +4538,28 @@ nv50_linkage_validate(struct nv50_context *nv50) reg[3] = (m++ << 4) | 1; } - /* now fill the stateobj */ - so = so_new(64, 0); + /* now fill the stateobj (at most 28 so_data) */ + so = so_new(10, 54, 0); n = (m + 3) / 4; - so_method(so, tesla, NV50TCL_VP_RESULT_MAP_SIZE, 1); - so_data (so, m); - so_method(so, tesla, NV50TCL_VP_RESULT_MAP(0), n); - so_datap (so, map, n); + assert(m <= 32); + if (vp->type == PIPE_SHADER_GEOMETRY) { + so_method(so, tesla, NV50TCL_GP_RESULT_MAP_SIZE, 1); + so_data (so, m); + so_method(so, tesla, NV50TCL_GP_RESULT_MAP(0), n); + so_datap (so, map, n); + } else { + so_method(so, tesla, NV50TCL_VP_GP_BUILTIN_ATTR_EN, 1); + so_data (so, vp->cfg.regs[0]); + + so_method(so, tesla, NV50TCL_MAP_SEMANTIC_4, 1); + so_data (so, reg[5]); + + so_method(so, tesla, NV50TCL_VP_RESULT_MAP_SIZE, 1); + so_data (so, m); + so_method(so, tesla, NV50TCL_VP_RESULT_MAP(0), n); + so_datap (so, map, n); + } so_method(so, tesla, NV50TCL_MAP_SEMANTIC_0, 4); so_datap (so, reg, 4); @@ -3381,18 +4567,89 @@ nv50_linkage_validate(struct nv50_context *nv50) so_method(so, tesla, NV50TCL_FP_INTERPOLANT_CTRL, 1); so_data (so, reg[4]); - so_method(so, tesla, 0x1540, 4); + so_method(so, tesla, NV50TCL_NOPERSPECTIVE_BITMAP(0), 4); so_datap (so, lin, 4); if (nv50->rasterizer->pipe.point_sprite) { - nv50_pntc_replace(nv50, pcrd, (reg[4] >> 8) & 0xff); + so_method(so, tesla, NV50TCL_POINT_SPRITE_CTRL, 1); + so_data (so, + nv50_pntc_replace(nv50, pcrd, (reg[4] >> 8) & 0xff)); so_method(so, tesla, NV50TCL_POINT_COORD_REPLACE_MAP(0), 8); so_datap (so, pcrd, 8); } - so_ref(so, &nv50->state.programs); - so_ref(NULL, &so); + so_method(so, tesla, NV50TCL_GP_ENABLE, 1); + so_data (so, (vp->type == PIPE_SHADER_GEOMETRY) ? 1 : 0); + + so_ref(so, &nv50->state.fp_linkage); + so_ref(NULL, &so); +} + +static int +construct_vp_gp_mapping(uint32_t *map32, int m, + struct nv50_program *vp, struct nv50_program *gp) +{ + uint8_t *map = (uint8_t *)map32; + int i, j, c; + + for (i = 0; i < gp->cfg.in_nr; ++i) { + uint8_t oid, mv = 0, mg = gp->cfg.in[i].mask; + + for (j = 0; j < vp->cfg.out_nr; ++j) { + if (vp->cfg.out[j].sn == gp->cfg.in[i].sn && + vp->cfg.out[j].si == gp->cfg.in[i].si) { + mv = vp->cfg.out[j].mask; + oid = vp->cfg.out[j].hw; + break; + } + } + + for (c = 0; c < 4; ++c, mv >>= 1, mg >>= 1) { + if (mg & mv & 1) + map[m++] = oid; + else + if (mg & 1) + map[m++] = (c == 3) ? 0x41 : 0x40; + oid += mv & 1; + } + } + return m; +} + +void +nv50_gp_linkage_validate(struct nv50_context *nv50) +{ + struct nouveau_grobj *tesla = nv50->screen->tesla; + struct nouveau_stateobj *so; + struct nv50_program *vp = nv50->vertprog; + struct nv50_program *gp = nv50->geomprog; + uint32_t map[16]; + int m = 0; + + if (!gp) { + so_ref(NULL, &nv50->state.gp_linkage); + return; + } + memset(map, 0, sizeof(map)); + + m = construct_vp_gp_mapping(map, m, vp, gp); + + so = so_new(3, 24 - 3, 0); + + so_method(so, tesla, NV50TCL_VP_GP_BUILTIN_ATTR_EN, 1); + so_data (so, vp->cfg.regs[0] | gp->cfg.regs[0]); + + assert(m <= 32); + so_method(so, tesla, NV50TCL_VP_RESULT_MAP_SIZE, 1); + so_data (so, m); + + m = (m + 3) / 4; + so_method(so, tesla, NV50TCL_VP_RESULT_MAP(0), m); + so_datap (so, map, m); + + so_ref(so, &nv50->state.gp_linkage); + so_ref(NULL, &so); } void @@ -3409,6 +4666,7 @@ nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p) nouveau_bo_ref(NULL, &p->bo); + FREE(p->immd); nouveau_resource_free(&p->data[0]); p->translated = 0; |