diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 5151 |
1 files changed, 567 insertions, 4584 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index b8b6b12120b..db681764910 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 Ben Skeggs + * Copyright 2010 Chrsitoph Bumiller * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -20,4658 +20,641 @@ * SOFTWARE. */ -#include "pipe/p_context.h" -#include "pipe/p_defines.h" -#include "pipe/p_state.h" -#include "util/u_inlines.h" +/* #define NV50_PROGRAM_DEBUG */ + +#include "nv50_program.h" +#include "nv50_pc.h" +#include "nv50_context.h" #include "pipe/p_shader_tokens.h" #include "tgsi/tgsi_parse.h" #include "tgsi/tgsi_util.h" - -#include "nv50_context.h" -#include "nv50_transfer.h" - -#define NV50_SU_MAX_TEMP 127 -#define NV50_SU_MAX_ADDR 4 -//#define NV50_PROGRAM_DUMP - -/* $a5 and $a6 always seem to be 0, and using $a7 gives you noise */ - -/* ARL - gallium craps itself on progs/vp/arl.txt - * - * MSB - Like MAD, but MUL+SUB - * - Fuck it off, introduce a way to negate args for ops that - * support it. - * - * Look into inlining IMMD for ops other than MOV (make it general?) - * - Maybe even relax restrictions a bit, can't do P_RESULT + P_IMMD, - * but can emit to P_TEMP first - then MOV later. NVIDIA does this - * - * In ops such as ADD it's possible to construct a bad opcode in the !is_long() - * case, if the emit_src() causes the inst to suddenly become long. - * - * Verify half-insns work where expected - and force disable them where they - * don't work - MUL has it forcibly disabled atm as it fixes POW.. - * - * FUCK! watch dst==src vectors, can overwrite components that are needed. - * ie. SUB R0, R0.yzxw, R0 - * - * Things to check with renouveau: - * FP attr/result assignment - how? - * attrib - * - 0x16bc maps vp output onto fp hpos - * - 0x16c0 maps vp output onto fp col0 - * result - * - colr always 0-3 - * - depr always 4 - * 0x16bc->0x16e8 --> some binding between vp/fp regs - * 0x16b8 --> VP output count - * - * 0x1298 --> "MOV rcol.x, fcol.y" "MOV depr, fcol.y" = 0x00000005 - * "MOV rcol.x, fcol.y" = 0x00000004 - * 0x19a8 --> as above but 0x00000100 and 0x00000000 - * - 0x00100000 used when KIL used - * 0x196c --> as above but 0x00000011 and 0x00000000 - * - * 0x1988 --> 0xXXNNNNNN - * - XX == FP high something - */ -struct nv50_reg { - enum { - P_TEMP, - P_ATTR, - P_RESULT, - P_CONST, - P_IMMD, - P_ADDR - } type; - int index; - - int hw; - int mod; - - 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 - -#define JOIN_ON(e) e; pc->p->exec_tail->inst[1] |= 2 - -struct nv50_pc { - struct nv50_program *p; - - /* hw resources */ - struct nv50_reg *r_temp[NV50_SU_MAX_TEMP]; - struct nv50_reg r_addr[NV50_SU_MAX_ADDR]; - - /* tgsi resources */ - struct nv50_reg *temp; - int temp_nr; - struct nv50_reg *attr; - int attr_nr; - struct nv50_reg *result; - int result_nr; - struct nv50_reg *param; - int param_nr; - struct nv50_reg *immd; - 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_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[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) -{ - reg->type = type; - reg->index = index; - 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; -} +#include "tgsi/tgsi_dump.h" static INLINE unsigned -popcnt4(uint32_t val) -{ - static const unsigned cnt[16] - = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 }; - return cnt[val & 0xf]; -} - -static void -terminate_mbb(struct nv50_pc *pc) -{ - int i; - - /* 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].acc = 0; -} - -static void -alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg) +bitcount4(const uint32_t val) { - int i = 0; - - if (reg->type == P_RESULT) { - if (pc->p->cfg.high_result < (reg->hw + 1)) - pc->p->cfg.high_result = reg->hw + 1; - } - - if (reg->type != P_TEMP) - return; - - if (reg->hw >= 0) { - /*XXX: do this here too to catch FP temp-as-attr usage.. - * not clean, but works */ - if (pc->p->cfg.high_temp < (reg->hw + 1)) - pc->p->cfg.high_temp = reg->hw + 1; - return; - } - - if (reg->rhw != -1) { - /* try to allocate temporary with index rhw first */ - if (!(pc->r_temp[reg->rhw])) { - pc->r_temp[reg->rhw] = reg; - reg->hw = reg->rhw; - if (pc->p->cfg.high_temp < (reg->rhw + 1)) - pc->p->cfg.high_temp = reg->rhw + 1; - return; - } - /* make sure we don't get things like $r0 needs to go - * in $r1 and $r1 in $r0 - */ - i = pc->result_nr * 4; - } - - for (; i < NV50_SU_MAX_TEMP; i++) { - if (!(pc->r_temp[i])) { - pc->r_temp[i] = reg; - reg->hw = i; - if (pc->p->cfg.high_temp < (i + 1)) - pc->p->cfg.high_temp = i + 1; - return; - } - } - - NOUVEAU_ERR("out of registers\n"); - abort(); + static const unsigned cnt[16] + = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 }; + return cnt[val & 0xf]; } -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; +static unsigned +nv50_tgsi_src_mask(const struct tgsi_full_instruction *inst, int c) +{ + unsigned mask = inst->Dst[0].Register.WriteMask; + + switch (inst->Instruction.Opcode) { + case TGSI_OPCODE_COS: + case TGSI_OPCODE_SIN: + return (mask & 0x8) | ((mask & 0x7) ? 0x1 : 0x0); + case TGSI_OPCODE_DP3: + return 0x7; + case TGSI_OPCODE_DP4: + case TGSI_OPCODE_DPH: + case TGSI_OPCODE_KIL: /* WriteMask ignored */ + return 0xf; + 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_texture *tex; + + assert(inst->Instruction.Texture); + tex = &inst->Texture; + + mask = 0x7; + if (inst->Instruction.Opcode != TGSI_OPCODE_TEX && + inst->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; + default: + break; + } + } + return mask; + case TGSI_OPCODE_XPD: + { + unsigned x = 0; + if (mask & 1) x |= 0x6; + if (mask & 2) x |= 0x5; + if (mask & 4) x |= 0x3; + return x; + } + default: + break; + } + + return mask; +} + +static void +nv50_indirect_inputs(struct nv50_translation_info *ti, int id) +{ + int i, c; + + for (i = 0; i < PIPE_MAX_SHADER_INPUTS; ++i) + for (c = 0; c < 4; ++c) + ti->input_access[i][c] = id; + + ti->indirect_inputs = TRUE; +} + +static void +nv50_indirect_outputs(struct nv50_translation_info *ti, int id) +{ + int i, c; + + for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; ++i) + for (c = 0; c < 4; ++c) + ti->output_access[i][c] = id; + + ti->indirect_outputs = TRUE; +} + +static void +prog_inst(struct nv50_translation_info *ti, + const struct tgsi_full_instruction *inst, int id) +{ + const struct tgsi_dst_register *dst; + const struct tgsi_src_register *src; + int s, c, k; + unsigned mask; + + if (inst->Instruction.Opcode == TGSI_OPCODE_BGNSUB) { + ti->subr[ti->subr_nr].pos = id - 1; + ti->subr[ti->subr_nr].id = ti->subr_nr + 1; /* id 0 is main program */ + ++ti->subr_nr; + } + + if (inst->Dst[0].Register.File == TGSI_FILE_OUTPUT) { + dst = &inst->Dst[0].Register; + + for (c = 0; c < 4; ++c) { + if (dst->Indirect) + nv50_indirect_outputs(ti, id); + if (!(dst->WriteMask & (1 << c))) + continue; + ti->output_access[dst->Index][c] = id; + } + + if (inst->Instruction.Opcode == TGSI_OPCODE_MOV && + inst->Src[0].Register.File == TGSI_FILE_INPUT && + dst->Index == ti->edgeflag_out) + ti->p->vp.edgeflag = inst->Src[0].Register.Index; + } else + if (inst->Dst[0].Register.File == TGSI_FILE_TEMPORARY) { + if (inst->Dst[0].Register.Indirect) + ti->store_to_memory = TRUE; + } + + for (s = 0; s < inst->Instruction.NumSrcRegs; ++s) { + src = &inst->Src[s].Register; + if (src->File == TGSI_FILE_TEMPORARY) + if (inst->Src[s].Register.Indirect) + ti->store_to_memory = TRUE; + if (src->File != TGSI_FILE_INPUT) + continue; + mask = nv50_tgsi_src_mask(inst, s); + + if (inst->Src[s].Register.Indirect) + nv50_indirect_inputs(ti, id); + + for (c = 0; c < 4; ++c) { + if (!(mask & (1 << c))) + continue; + k = tgsi_util_get_full_src_register_swizzle(&inst->Src[s], c); + if (k <= TGSI_SWIZZLE_W) + ti->input_access[src->Index][k] = id; + } + } } -/* XXX: For shaders that aren't executed linearly (e.g. shaders that - * contain loops), we need to assign all hw regs to TGSI TEMPs early, - * lest we risk temp_temps overwriting regs alloc'd "later". +/* Probably should introduce something like struct tgsi_function_declaration + * instead of trying to guess inputs/outputs. */ -static struct nv50_reg * -alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst) -{ - struct nv50_reg *r; - int i; - - if (dst && dst->type == P_TEMP && dst->hw == -1) - return dst; - - for (i = 0; i < NV50_SU_MAX_TEMP; i++) { - if (!pc->r_temp[i]) { - r = MALLOC_STRUCT(nv50_reg); - ctor_reg(r, P_TEMP, -1, i); - pc->r_temp[i] = r; - return r; - } - } - - NOUVEAU_ERR("out of registers\n"); - abort(); - return NULL; -} - -/* release the hardware resource held by r */ -static void -release_hw(struct nv50_pc *pc, struct nv50_reg *r) -{ - assert(r->type == P_TEMP); - if (r->hw == -1) - return; - - assert(pc->r_temp[r->hw] == r); - pc->r_temp[r->hw] = NULL; - - r->acc = 0; - if (r->index == -1) - FREE(r); -} - static void -free_temp(struct nv50_pc *pc, struct nv50_reg *r) +prog_subroutine_inst(struct nv50_subroutine *subr, + const struct tgsi_full_instruction *inst) { - if (r->index == -1) { - unsigned hw = r->hw; + const struct tgsi_dst_register *dst; + const struct tgsi_src_register *src; + int s, c, k; + unsigned mask; - FREE(pc->r_temp[hw]); - pc->r_temp[hw] = NULL; - } -} + for (s = 0; s < inst->Instruction.NumSrcRegs; ++s) { + src = &inst->Src[s].Register; + if (src->File != TGSI_FILE_TEMPORARY) + continue; + mask = nv50_tgsi_src_mask(inst, s); -static int -alloc_temp4(struct nv50_pc *pc, struct nv50_reg *dst[4], int idx) -{ - int i; + assert(!inst->Src[s].Register.Indirect); - if ((idx + 4) >= NV50_SU_MAX_TEMP) - return 1; + for (c = 0; c < 4; ++c) { + k = tgsi_util_get_full_src_register_swizzle(&inst->Src[s], c); - if (pc->r_temp[idx] || pc->r_temp[idx + 1] || - pc->r_temp[idx + 2] || pc->r_temp[idx + 3]) - return alloc_temp4(pc, dst, idx + 4); + if ((mask & (1 << c)) && k < TGSI_SWIZZLE_W) + if (!(subr->retv[src->Index / 32][k] & (1 << (src->Index % 32)))) + subr->argv[src->Index / 32][k] |= 1 << (src->Index % 32); + } + } - for (i = 0; i < 4; i++) { - dst[i] = MALLOC_STRUCT(nv50_reg); - ctor_reg(dst[i], P_TEMP, -1, idx + i); - pc->r_temp[idx + i] = dst[i]; - } + if (inst->Dst[0].Register.File == TGSI_FILE_TEMPORARY) { + dst = &inst->Dst[0].Register; - return 0; + for (c = 0; c < 4; ++c) + if (dst->WriteMask & (1 << c)) + subr->retv[dst->Index / 32][c] |= 1 << (dst->Index % 32); + } } static void -free_temp4(struct nv50_pc *pc, struct nv50_reg *reg[4]) +prog_immediate(struct nv50_translation_info *ti, + const struct tgsi_full_immediate *imm) { - int i; + int c; + unsigned n = ti->immd32_nr++; - for (i = 0; i < 4; i++) - free_temp(pc, reg[i]); -} + assert(ti->immd32_nr <= ti->scan.immediate_count); -static struct nv50_reg * -temp_temp(struct nv50_pc *pc, struct nv50_program_exec *e) -{ - if (pc->temp_temp_nr >= 16) - assert(0); + for (c = 0; c < 4; ++c) + ti->immd32[n * 4 + c] = imm->u[c].Uint; - 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++]; + ti->immd32_ty[n] = imm->Immediate.DataType; } -/* 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, struct nv50_program_exec *e) -{ - int i; - - for (i = 0; i < pc->temp_temp_nr; i++) - if (pc->temp_temp_exec[i] == e) - free_temp(pc, pc->temp_temp[i]); - if (!e) - pc->temp_temp_nr = 0; +static INLINE unsigned +translate_interpolate(const struct tgsi_full_declaration *decl) +{ + unsigned mode; + + if (decl->Declaration.Interpolate == TGSI_INTERPOLATE_CONSTANT) + mode = NV50_INTERP_FLAT; + else + if (decl->Declaration.Interpolate == TGSI_INTERPOLATE_PERSPECTIVE) + mode = 0; + else + mode = NV50_INTERP_LINEAR; + + if (decl->Declaration.Centroid) + mode |= NV50_INTERP_CENTROID; + + return mode; +} + +static void +prog_decl(struct nv50_translation_info *ti, + const struct tgsi_full_declaration *decl) +{ + unsigned i, first, last, sn = 0, si = 0; + + first = decl->Range.First; + last = decl->Range.Last; + + if (decl->Declaration.Semantic) { + sn = decl->Semantic.Name; + si = decl->Semantic.Index; + } + + switch (decl->Declaration.File) { + case TGSI_FILE_INPUT: + for (i = first; i <= last; ++i) + ti->interp_mode[i] = translate_interpolate(decl); + + if (!decl->Declaration.Semantic) + break; + + for (i = first; i <= last; ++i) { + ti->p->in[i].sn = sn; + ti->p->in[i].si = si; + } + + switch (sn) { + case TGSI_SEMANTIC_FACE: + break; + case TGSI_SEMANTIC_COLOR: + if (ti->p->type == PIPE_SHADER_FRAGMENT) + ti->p->vp.bfc[si] = first; + break; + } + break; + case TGSI_FILE_OUTPUT: + if (!decl->Declaration.Semantic) + break; + + for (i = first; i <= last; ++i) { + ti->p->out[i].sn = sn; + ti->p->out[i].si = si; + } + + switch (sn) { + case TGSI_SEMANTIC_BCOLOR: + ti->p->vp.bfc[si] = first; + break; + case TGSI_SEMANTIC_PSIZE: + ti->p->vp.psiz = first; + break; + case TGSI_SEMANTIC_EDGEFLAG: + ti->edgeflag_out = first; + break; + default: + break; + } + break; + case TGSI_FILE_SYSTEM_VALUE: + switch (decl->Semantic.Name) { + case TGSI_SEMANTIC_FACE: + break; + case TGSI_SEMANTIC_INSTANCEID: + break; + case TGSI_SEMANTIC_PRIMID: + break; + /* + case TGSI_SEMANTIC_PRIMIDIN: + break; + case TGSI_SEMANTIC_VERTEXID: + break; + */ + default: + break; + } + break; + case TGSI_FILE_CONSTANT: + ti->p->parm_size = MAX2(ti->p->parm_size, (last + 1) * 16); + break; + case TGSI_FILE_ADDRESS: + case TGSI_FILE_SAMPLER: + case TGSI_FILE_TEMPORARY: + break; + default: + assert(0); + break; + } } static int -ctor_immd_4u32(struct nv50_pc *pc, - uint32_t x, uint32_t y, uint32_t z, uint32_t w) -{ - 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) -{ - struct nv50_reg *r = MALLOC_STRUCT(nv50_reg); - unsigned hw; - - for (hw = 0; hw < pc->immd_nr * 4; hw++) - if (pc->immd_buf[hw] == fui(f)) - break; - - if (hw == pc->immd_nr * 4) - hw = ctor_immd_4f32(pc, f, -f, 0.5 * f, 0) * 4; - - ctor_reg(r, P_IMMD, -1, hw); - return r; -} - -static struct nv50_program_exec * -exec(struct nv50_pc *pc) -{ - struct nv50_program_exec *e = CALLOC_STRUCT(nv50_program_exec); - - e->param.index = -1; - return e; -} - -static void -emit(struct nv50_pc *pc, struct nv50_program_exec *e) -{ - struct nv50_program *p = pc->p; - - if (p->exec_tail) - p->exec_tail->next = e; - if (!p->exec_head) - p->exec_head = e; - p->exec_tail = e; - p->exec_size += (e->inst[0] & 1) ? 2 : 1; - - kill_temp_temp(pc, e); -} - -static INLINE void set_long(struct nv50_pc *, struct nv50_program_exec *); - -static boolean -is_long(struct nv50_program_exec *e) -{ - if (e->inst[0] & 1) - return TRUE; - return FALSE; -} - -static boolean -is_immd(struct nv50_program_exec *e) -{ - if (is_long(e) && (e->inst[1] & 3) == 3) - return TRUE; - return FALSE; -} - -static 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); -} - -static INLINE void -set_pred_wr(struct nv50_pc *pc, unsigned on, unsigned idx, - struct nv50_program_exec *e) -{ - set_long(pc, e); - e->inst[1] &= ~((0x3 << 4) | (1 << 6)); - e->inst[1] |= (idx << 4) | (on << 6); -} - -static INLINE void -set_long(struct nv50_pc *pc, struct nv50_program_exec *e) -{ - if (is_long(e)) - return; - - e->inst[0] |= 1; - set_pred(pc, 0xf, 0, e); - set_pred_wr(pc, 0, 0, e); -} - -static INLINE void -set_dst(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_program_exec *e) -{ - if (dst->type == P_RESULT) { - set_long(pc, e); - e->inst[1] |= 0x00000008; - } - - alloc_reg(pc, dst); - if (dst->hw > 63) - set_long(pc, e); - e->inst[0] |= (dst->hw << 2); -} - -static INLINE void -set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e) -{ - set_long(pc, e); - /* 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] |= (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 & 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 -emit_add_addr_imm(struct nv50_pc *pc, struct nv50_reg *dst, - struct nv50_reg *src0, uint16_t src1_val) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] = 0xd0000000 | (src1_val << 9); - e->inst[1] = 0x20000000; - set_long(pc, e); - e->inst[0] |= dst->hw << 2; - if (src0) /* otherwise will add to $a0, which is always 0 */ - set_addr(e, src0); - - emit(pc, e); -} - -#define INTERP_LINEAR 0 -#define INTERP_FLAT 1 -#define INTERP_PERSPECTIVE 2 -#define INTERP_CENTROID 4 - -/* interpolant index has been stored in dst->rhw */ -static void -emit_interp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *iv, - unsigned mode) -{ - struct nv50_program_exec *e = exec(pc); - assert(dst->rhw != -1); - - e->inst[0] |= 0x80000000; - set_dst(pc, dst, e); - e->inst[0] |= (dst->rhw << 16); - - if (mode & INTERP_FLAT) { - e->inst[0] |= (1 << 8); - } else { - if (mode & INTERP_PERSPECTIVE) { - e->inst[0] |= (1 << 25); - alloc_reg(pc, iv); - e->inst[0] |= (iv->hw << 9); - } - - if (mode & INTERP_CENTROID) - e->inst[0] |= (1 << 24); - } - - emit(pc, e); -} - -static void -set_data(struct nv50_pc *pc, struct nv50_reg *src, unsigned m, unsigned s, - struct nv50_program_exec *e) -{ - set_long(pc, e); - - e->param.index = src->hw & 127; - e->param.shift = s; - e->param.mask = m << (s % 32); - - 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->indirect[0]]); - } - - 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) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] = 0x10000000; - if (!pc->allow32) - set_long(pc, e); - - set_dst(pc, dst, e); - - if (!is_long(e) && src->type == P_IMMD) { - set_immd(pc, src, e); - /*XXX: 32-bit, but steals part of "half" reg space - need to - * catch and handle this case if/when we do half-regs - */ - } else - if (src->type == P_IMMD || src->type == P_CONST) { - set_long(pc, e); - set_data(pc, src, 0x7f, 9, e); - e->inst[1] |= 0x20000000; /* 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); - if (src->hw > 63) - set_long(pc, e); - e->inst[0] |= (src->hw << 9); - } - - if (is_long(e) && !is_immd(e)) { - e->inst[1] |= 0x04000000; /* 32-bit */ - e->inst[1] |= 0x0000c000; /* 32-bit c[] load / lane mask 0:1 */ - if (!(e->inst[1] & 0x20000000)) - e->inst[1] |= 0x00030000; /* lane mask 2:3 */ - } else - e->inst[0] |= 0x00008000; - - emit(pc, e); -} - -static INLINE void -emit_mov_immdval(struct nv50_pc *pc, struct nv50_reg *dst, float f) -{ - struct nv50_reg *imm = alloc_immd(pc, f); - emit_mov(pc, dst, imm); - 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) -{ - struct nv50_reg *src0 = *s0, *src1 = *s1; - - if (src0->type == P_CONST) { - if (src1->type != P_CONST) { - *s0 = src1; - *s1 = src0; - return TRUE; - } - } else - if (src1->type == P_ATTR) { - if (src0->type != P_ATTR) { - *s0 = src1; - *s1 = src0; - return TRUE; - } - } - - return FALSE; -} - -static void -set_src_0_restricted(struct nv50_pc *pc, struct nv50_reg *src, - struct nv50_program_exec *e) -{ - struct nv50_reg *temp; - - if (src->type != P_TEMP) { - temp = temp_temp(pc, e); - emit_mov(pc, temp, src); - src = temp; - } - - alloc_reg(pc, src); - if (src->hw > 63) - set_long(pc, e); - e->inst[0] |= (src->hw << 9); -} - -static void -set_src_0(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) -{ - if (src->type == P_ATTR) { - set_long(pc, e); - e->inst[1] |= 0x00200000; - - 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, e); - - emit_mov(pc, temp, src); - src = temp; - } - - alloc_reg(pc, src); - if (src->hw > 63) - set_long(pc, e); - e->inst[0] |= (src->hw << 9); -} - -static void -set_src_1(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) -{ - if (src->type == P_ATTR) { - struct nv50_reg *temp = temp_temp(pc, e); - - emit_mov(pc, temp, src); - src = temp; - } else - if (src->type == P_CONST || src->type == P_IMMD) { - 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; - } - } - - alloc_reg(pc, src); - if (src->hw > 63) - set_long(pc, e); - e->inst[0] |= ((src->hw & 127) << 16); -} - -static void -set_src_2(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) -{ - set_long(pc, e); - - if (src->type == P_ATTR) { - struct nv50_reg *temp = temp_temp(pc, e); - - emit_mov(pc, temp, src); - src = temp; - } else - if (src->type == P_CONST || src->type == P_IMMD) { - 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; - } - } - - alloc_reg(pc, src); - e->inst[1] |= ((src->hw & 127) << 14); -} - -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) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] |= 0xc0000000; - - 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); - if (src1->type == P_IMMD && !is_long(e)) { - if (src0->mod ^ src1->mod) - e->inst[0] |= 0x00008000; - set_immd(pc, src1, e); - } else { - set_src_1(pc, src1, e); - if ((src0->mod ^ src1->mod) & NV50_MOD_NEG) { - if (is_long(e)) - e->inst[1] |= 0x08000000; - else - e->inst[0] |= 0x00008000; - } - } - - emit(pc, e); -} - -static void -emit_add(struct nv50_pc *pc, struct nv50_reg *dst, - struct nv50_reg *src0, struct nv50_reg *src1) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] = 0xb0000000; - - alloc_reg(pc, src1); - check_swap_src_0_1(pc, &src0, &src1); - - if (!pc->allow32 || (src0->mod | src1->mod) || src1->hw > 63) { - set_long(pc, e); - e->inst[1] |= ((src0->mod & NV50_MOD_NEG) << 26) | - ((src1->mod & NV50_MOD_NEG) << 27); - } - - set_dst(pc, dst, e); - set_src_0(pc, src0, e); - if (src1->type == P_CONST || src1->type == P_ATTR || is_long(e)) - set_src_2(pc, src1, e); - else - if (src1->type == P_IMMD) - set_immd(pc, src1, e); - else - set_src_1(pc, src1, e); - - emit(pc, e); -} - -static void -emit_arl(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src, - uint8_t s) -{ - struct nv50_program_exec *e = exec(pc); - - set_long(pc, e); - e->inst[1] |= 0xc0000000; - - e->inst[0] |= dst->hw << 2; - e->inst[0] |= s << 16; /* shift left */ - 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) -{ - struct nv50_program_exec *e = exec(pc); - - set_long(pc, e); - 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); - set_src_0(pc, src0, e); - set_src_1(pc, src1, e); - - if (src0->mod & NV50_MOD_ABS) - e->inst[1] |= 0x00100000; - if (src1->mod & NV50_MOD_ABS) - e->inst[1] |= 0x00080000; - - emit(pc, e); -} - -static INLINE void -emit_sub(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, - struct nv50_reg *src1) -{ - src1->mod ^= NV50_MOD_NEG; - emit_add(pc, dst, src0, src1); - src1->mod ^= NV50_MOD_NEG; -} - -static void -emit_bitop2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, - struct nv50_reg *src1, unsigned op) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] = 0xd0000000; - set_long(pc, e); - - check_swap_src_0_1(pc, &src0, &src1); - set_dst(pc, dst, e); - set_src_0(pc, src0, e); - - if (op != TGSI_OPCODE_AND && op != TGSI_OPCODE_OR && - 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) - e->inst[0] |= 0x0100; - else - if (op == TGSI_OPCODE_XOR) - e->inst[0] |= 0x8000; - } else { - set_src_1(pc, src1, e); - e->inst[1] |= 0x04000000; /* 32 bit */ - if (op == TGSI_OPCODE_OR) - e->inst[1] |= 0x4000; - else - if (op == TGSI_OPCODE_XOR) - e->inst[1] |= 0x8000; - } - - emit(pc, e); -} - -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) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] |= 0xe0000000; - - check_swap_src_0_1(pc, &src0, &src1); - set_dst(pc, dst, e); - set_src_0(pc, src0, e); - set_src_1(pc, src1, e); - set_src_2(pc, src2, e); - - if ((src0->mod ^ src1->mod) & NV50_MOD_NEG) - e->inst[1] |= 0x04000000; - if (src2->mod & NV50_MOD_NEG) - e->inst[1] |= 0x08000000; - - emit(pc, e); -} - -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) -{ - 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) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] |= 0x90000000; - 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); - - 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); -} - -static void -emit_preex2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] |= 0xb0000000; - - set_dst(pc, dst, e); - set_src_0(pc, src, e); - set_long(pc, e); - e->inst[1] |= (6 << 29) | 0x00004000; - - if (src->mod & NV50_MOD_NEG) - e->inst[1] |= 0x04000000; - if (src->mod & NV50_MOD_ABS) - e->inst[1] |= 0x00100000; - - emit(pc, e); -} - -static void -emit_precossin(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) -{ - struct nv50_program_exec *e = exec(pc); - - e->inst[0] |= 0xb0000000; - - set_dst(pc, dst, e); - set_src_0(pc, src, e); - set_long(pc, e); - e->inst[1] |= (6 << 29); - - if (src->mod & NV50_MOD_NEG) - e->inst[1] |= 0x04000000; - if (src->mod & NV50_MOD_ABS) - e->inst[1] |= 0x00100000; - - emit(pc, e); -} - -#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, uint32_t cvn) -{ - struct nv50_program_exec *e; - - e = exec(pc); - - 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) - set_pred_wr(pc, 1, wp, e); - - if (dst) - set_dst(pc, dst, e); - else { - e->inst[0] |= 0x000001fc; - e->inst[1] |= 0x00000008; - } - - emit(pc, e); -} - -/* nv50 Condition codes: - * 0x1 = LT - * 0x2 = EQ - * 0x3 = LE - * 0x4 = GT - * 0x5 = NE - * 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, uint8_t mode) -{ - static const unsigned cc_swapped[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; - - struct nv50_program_exec *e = exec(pc); - struct nv50_reg *rdst; - - assert(ccode < 16); - if (check_swap_src_0_1(pc, &src0, &src1)) - ccode = cc_swapped[ccode & 7] | (ccode & 8); - - rdst = dst; - if (dst && dst->type != P_TEMP) - dst = alloc_temp(pc, NULL); - - set_long(pc, e); - e->inst[0] |= 0x30000000 | (mode << 24); - e->inst[1] |= 0x60000000 | (ccode << 14); - - 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; - } - - set_src_0(pc, src0, e); - set_src_1(pc, src1, e); - - emit(pc, e); - - 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 void -map_tgsi_setop_hw(unsigned op, uint8_t *cc, uint8_t *ty) -{ - switch (op) { - 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; - } -} - -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) +nv50_vertprog_prepare(struct nv50_translation_info *ti) { - 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); + struct nv50_program *p = ti->p; + int i, c; + unsigned num_inputs = 0; - emit(pc, e); -} + ti->input_file = NV_FILE_MEM_S; + ti->output_file = NV_FILE_OUT; -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); + for (i = 0; i <= ti->scan.file_max[TGSI_FILE_INPUT]; ++i) { + p->in[i].id = i; + p->in[i].hw = num_inputs; - 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); + for (c = 0; c < 4; ++c) { + if (!ti->input_access[i][c]) + continue; + ti->input_map[i][c] = num_inputs++; + p->vp.attrs[(4 * i + c) / 32] |= 1 << ((i * 4 + c) % 32); + } + } - if (is_long(e)) - e->inst[1] |= 0x0c << 24; - else - e->inst[0] |= 0x81 << 8; + for (i = 0; i <= ti->scan.file_max[TGSI_FILE_OUTPUT]; ++i) { + p->out[i].id = i; + p->out[i].hw = p->max_out; - 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, CVT_FLOOR | CVT_F32_F32 | CVT_RI); -} - -static void -emit_pow(struct nv50_pc *pc, struct nv50_reg *dst, - struct nv50_reg *v, struct nv50_reg *e) -{ - struct nv50_reg *temp = alloc_temp(pc, NULL); - - emit_flop(pc, NV50_FLOP_LG2, temp, v); - emit_mul(pc, temp, temp, e); - emit_preex2(pc, temp, temp); - emit_flop(pc, NV50_FLOP_EX2, dst, temp); - - free_temp(pc, temp); -} - -static INLINE void -emit_sat(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) -{ - emit_cvt(pc, dst, src, -1, CVT_SAT | CVT_F32_F32); -} - -static void -emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, - struct nv50_reg **src) -{ - struct nv50_reg *one = alloc_immd(pc, 1.0); - struct nv50_reg *zero = alloc_immd(pc, 0.0); - struct nv50_reg *neg128 = alloc_immd(pc, -127.999999); - struct nv50_reg *pos128 = alloc_immd(pc, 127.999999); - struct nv50_reg *tmp[4] = { 0 }; - boolean allow32 = pc->allow32; + for (c = 0; c < 4; ++c) { + if (!ti->output_access[i][c]) + continue; + ti->output_map[i][c] = p->max_out++; + p->out[i].mask |= 1 << c; + } + } - pc->allow32 = FALSE; + if (p->vp.psiz < 0x40) + p->vp.psiz = p->out[p->vp.psiz].hw; - if (mask & (3 << 1)) { - tmp[0] = alloc_temp(pc, NULL); - 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, NULL); - emit_minmax(pc, NV50_MAX_F32, tmp[1], src[1], zero); - - 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); - set_pred(pc, 3, 0, pc->p->exec_tail); - } - - if (mask & (1 << 1)) - assimilate_temp(pc, dst[1], tmp[0]); - else - if (mask & (1 << 2)) - free_temp(pc, tmp[0]); - - pc->allow32 = allow32; - - /* do this last, in case src[i,j] == dst[0,3] */ - if (mask & (1 << 0)) - emit_mov(pc, dst[0], one); - - if (mask & (1 << 3)) - emit_mov(pc, dst[3], one); - - FREE(pos128); - FREE(neg128); - FREE(zero); - FREE(one); -} - -static void -emit_kil(struct nv50_pc *pc, struct nv50_reg *src) -{ - struct nv50_program_exec *e; - const int r_pred = 1; - - e = exec(pc); - 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); + return 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); - - 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, unsigned arg, boolean proj) -{ - int mod[3] = { src[0]->mod, src[1]->mod, src[2]->mod }; - - src[0]->mod |= NV50_MOD_ABS; - src[1]->mod |= NV50_MOD_ABS; - src[2]->mod |= NV50_MOD_ABS; - - 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]; - src[2]->mod = mod[2]; - - if (proj && 0 /* looks more correct without this */) - emit_mul(pc, t[2], t[2], src[3]); - 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]); - emit_mul(pc, t[2], src[2], t[2]); -} - -static void -load_proj_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4], - struct nv50_reg **src, unsigned dim, unsigned arg) -{ - unsigned c, mode; - - if (src[0]->type == P_TEMP && src[0]->rhw != -1) { - mode = pc->interp_mode[src[0]->index] | INTERP_PERSPECTIVE; - - 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: - *arg = *dim = 1; - break; - case TGSI_TEXTURE_SHADOW1D: - *dim = 1; - *arg = 2; - break; - case TGSI_TEXTURE_UNKNOWN: - case TGSI_TEXTURE_2D: - case TGSI_TEXTURE_RECT: - *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: - *dim = *arg = 3; - break; - default: - assert(0); - break; - } -} - -/* 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 (pc->p->type != PIPE_SHADER_FRAGMENT) { - emit(pc, tex); - return; - } - pc->allow32 = FALSE; - - /* 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); - } - 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); - set_dst(pc, t[0], e); - - /* 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; - - 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++]); - if (mask & 2) emit_mov(pc, dst[1], t[c++]); - if (mask & 4) emit_mov(pc, dst[2], t[c++]); - if (mask & 8) emit_mov(pc, dst[3], t[c]); - - free_temp4(pc, t); -#else - /* XXX: if p.e. MUL is used directly after TEX, it would still use - * the texture coordinates, not the fetched values: latency ? */ - - for (c = 0; c < 4; c++) { - if (mask & (1 << c)) - assimilate_temp(pc, dst[c], t[c]); - else - free_temp(pc, t[c]); - } -#endif -} - -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] = (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); - set_src_2(pc, src, e); - - emit(pc, e); -} - -static void -emit_ddy(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] = (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); - set_src_2(pc, src, e); - - emit(pc, e); -} - -static void -convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e) -{ - unsigned q = 0, m = ~0; - - assert(!is_long(e)); - - switch (e->inst[0] >> 28) { - case 0x1: - /* MOV */ - 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; - q = (e->inst[0] & (3 << 24)) >> (24 - 16); - q |= (e->inst[0] & (1 << 8)) << (18 - 8); - break; - case 0x9: - /* RCP */ - break; - case 0xB: - /* ADD */ - m = ~(127 << 16); - q = ((e->inst[0] & (~m)) >> 2); - break; - case 0xC: - /* MUL */ - m = ~0x00008000; - q = ((e->inst[0] & (~m)) << 12); - break; - case 0xE: - /* MAD (if src2 == dst) */ - q = ((e->inst[0] & 0x1fc) << 12); - break; - default: - assert(0); - break; - } - - set_long(pc, e); - pc->p->exec_size++; - - e->inst[0] &= m; - e->inst[1] |= q; -} - -/* Some operations support an optional negation flag. */ static int -get_supported_mods(const struct tgsi_full_instruction *insn, int i) -{ - 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_EX2: - case TGSI_OPCODE_KIL: - case TGSI_OPCODE_LG2: - case TGSI_OPCODE_MAD: - case TGSI_OPCODE_MUL: - case TGSI_OPCODE_POW: - 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 0; - } -} - -/* 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->Dst[0].Register.WriteMask; - - switch (insn->Instruction.Opcode) { - case TGSI_OPCODE_COS: - case TGSI_OPCODE_SIN: - return (mask & 0x8) | ((mask & 0x7) ? 0x1 : 0x0); - case TGSI_OPCODE_DP3: - return 0x7; - case TGSI_OPCODE_DP4: - case TGSI_OPCODE_DPH: - case TGSI_OPCODE_KIL: /* WriteMask ignored */ - return 0xf; - 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_texture *tex; - - assert(insn->Instruction.Texture); - tex = &insn->Texture; - - mask = 0x7; - 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; - default: - break; - } - } - return mask; - case TGSI_OPCODE_XPD: - x = 0; - if (mask & 1) x |= 0x6; - if (mask & 2) x |= 0x5; - if (mask & 4) x |= 0x3; - return x; - default: - break; - } - - return mask; -} - -static struct nv50_reg * -tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst) -{ - switch (dst->Register.File) { - case TGSI_FILE_TEMPORARY: - return &pc->temp[dst->Register.Index * 4 + c]; - case TGSI_FILE_OUTPUT: - return &pc->result[dst->Register.Index * 4 + c]; - case TGSI_FILE_ADDRESS: - { - struct nv50_reg *r = pc->addr[dst->Register.Index * 4 + c]; - if (!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; - } - - return NULL; -} - -static struct nv50_reg * -tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src, - int mod) -{ - struct nv50_reg *r = NULL; - struct nv50_reg *temp = NULL; - unsigned sgn, c, swz, cvn; - - if (src->Register.File != TGSI_FILE_CONSTANT) - assert(!src->Register.Indirect); - - sgn = tgsi_util_get_full_src_register_sign_mode(src, chan); - - c = tgsi_util_get_full_src_register_swizzle(src, chan); - switch (c) { - case TGSI_SWIZZLE_X: - case TGSI_SWIZZLE_Y: - case TGSI_SWIZZLE_Z: - case TGSI_SWIZZLE_W: - switch (src->Register.File) { - case TGSI_FILE_INPUT: - 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->Register.Index * 4 + c]; - break; - case TGSI_FILE_CONSTANT: - 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 = reg_instance(pc, NULL); - ctor_reg(r, P_CONST, -1, src->Register.Index * 4 + c); - - swz = tgsi_util_get_src_register_swizzle( - &src->Indirect, 0); - r->acc = -1; - r->indirect[0] = src->Indirect.Index * 4 + swz; - break; - case TGSI_FILE_IMMEDIATE: - r = &pc->immd[src->Register.Index * 4 + c]; - break; - case TGSI_FILE_SAMPLER: - return NULL; - case TGSI_FILE_ADDRESS: - 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; - } - break; - default: - assert(0); - break; - } - - cvn = (mod & NV50_MOD_I32) ? CVT_S32_S32 : CVT_F32_F32; - - switch (sgn) { - case TGSI_UTIL_SIGN_CLEAR: - r->mod = NV50_MOD_ABS; - break; - case TGSI_UTIL_SIGN_SET: - r->mod = NV50_MOD_NEG_ABS; - break; - case TGSI_UTIL_SIGN_TOGGLE: - r->mod = NV50_MOD_NEG; - break; - default: - 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; -} - -/* return TRUE for ops that produce only a single result */ -static boolean -is_scalar_op(unsigned op) -{ - switch (op) { - case TGSI_OPCODE_COS: - case TGSI_OPCODE_DP2: - case TGSI_OPCODE_DP3: - case TGSI_OPCODE_DP4: - case TGSI_OPCODE_DPH: - case TGSI_OPCODE_EX2: - case TGSI_OPCODE_LG2: - case TGSI_OPCODE_POW: - case TGSI_OPCODE_RCP: - case TGSI_OPCODE_RSQ: - case TGSI_OPCODE_SIN: - /* - case TGSI_OPCODE_KIL: - case TGSI_OPCODE_LIT: - case TGSI_OPCODE_SCS: - */ - return TRUE; - default: - return FALSE; - } -} - -/* Returns a bitmask indicating which dst components depend - * on source s, component c (reverse of nv50_tgsi_src_mask). - */ -static unsigned -nv50_tgsi_dst_revdep(unsigned op, int s, int c) -{ - if (is_scalar_op(op)) - return 0x1; - - switch (op) { - case TGSI_OPCODE_DST: - return (1 << c) & (s ? 0xa : 0x6); - case TGSI_OPCODE_XPD: - switch (c) { - case 0: return 0x6; - case 1: return 0x5; - case 2: return 0x3; - case 3: return 0x0; - default: - 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; - case TGSI_OPCODE_IF: - case TGSI_OPCODE_KIL: - /* don't call this function for these ops */ - assert(0); - return 0; - default: - /* linear vector instruction */ - return (1 << c); - } -} - -static INLINE boolean -has_pred(struct nv50_program_exec *e, unsigned cc) -{ - if (!is_long(e) || is_immd(e)) - return FALSE; - return ((e->inst[1] & 0x780) == (cc << 7)); -} - -/* on ENDIF see if we can do "@p0.neu single_op" instead of: - * join_at ENDIF - * @p0.eq bra ENDIF - * single_op - * ENDIF: nop.join - */ -static boolean -nv50_kill_branch(struct nv50_pc *pc) -{ - int lvl = pc->if_lvl; - - 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->if_join[lvl]); - - /* We'll use the exec allocated for JOIN_AT (we can't easily - * access nv50_program_exec's prev). - */ - pc->p->exec_size -= 4; /* remove JOIN_AT and BRA */ - - *pc->if_join[lvl] = *pc->p->exec_tail; - - FREE(pc->if_insn[lvl]); - FREE(pc->p->exec_tail); - - 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) -{ - struct nv50_reg *rdst[4], *dst[4], *brdc, *src[3][4], *temp; - unsigned mask, sat, unit = 0; - int i, c; - - 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->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->Src[i]; - unsigned src_mask; - int mod_supp; - - src_mask = nv50_tgsi_src_mask(inst, i); - mod_supp = get_supported_mods(inst, i); - - 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, mod_supp); - } - - brdc = temp = pc->r_brdc; - if (brdc && brdc->type != P_TEMP) { - temp = temp_temp(pc, NULL); - if (sat) - brdc = temp; - } else - if (sat) { - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c)) || dst[c]->type == P_TEMP) - continue; - /* rdst[c] = dst[c]; */ /* done above */ - dst[c] = temp_temp(pc, NULL); - } - } - - assert(brdc || !is_scalar_op(inst->Instruction.Opcode)); - - switch (inst->Instruction.Opcode) { - case TGSI_OPCODE_ABS: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_cvt(pc, dst[c], src[0][c], -1, - CVT_ABS | CVT_F32_F32); - } - break; - case TGSI_OPCODE_ADD: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_add(pc, dst[c], src[0][c], src[1][c]); - } - break; - case TGSI_OPCODE_AND: - case TGSI_OPCODE_XOR: - case TGSI_OPCODE_OR: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_bitop2(pc, dst[c], src[0][c], src[1][c], - inst->Instruction.Opcode); - } - break; - case TGSI_OPCODE_ARL: - 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: - assert(pc->loop_lvl > 0); - 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, - CVT_CEIL | CVT_F32_F32 | CVT_RI); - } - break; - case TGSI_OPCODE_CMP: - pc->allow32 = FALSE; - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - 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, NV50_FLOP_COS, dst[3], temp); - if (!(mask &= 7)) - break; - if (temp == dst[3]) - temp = brdc = temp_temp(pc, NULL); - } - emit_precossin(pc, temp, src[0][0]); - emit_flop(pc, NV50_FLOP_COS, brdc, temp); - break; - case TGSI_OPCODE_DDX: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_ddx(pc, dst[c], src[0][c]); - } - break; - case TGSI_OPCODE_DDY: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_ddy(pc, dst[c], src[0][c]); - } - break; - case TGSI_OPCODE_DP3: - emit_mul(pc, temp, src[0][0], src[1][0]); - emit_mad(pc, temp, src[0][1], src[1][1], temp); - emit_mad(pc, brdc, src[0][2], src[1][2], temp); - break; - case TGSI_OPCODE_DP4: - emit_mul(pc, temp, src[0][0], src[1][0]); - emit_mad(pc, temp, src[0][1], src[1][1], temp); - emit_mad(pc, temp, src[0][2], src[1][2], temp); - emit_mad(pc, brdc, src[0][3], src[1][3], temp); - break; - case TGSI_OPCODE_DPH: - emit_mul(pc, temp, src[0][0], src[1][0]); - emit_mad(pc, temp, src[0][1], src[1][1], temp); - emit_mad(pc, temp, src[0][2], src[1][2], temp); - emit_add(pc, brdc, src[1][3], temp); - break; - case TGSI_OPCODE_DST: - if (mask & (1 << 1)) - emit_mul(pc, dst[1], src[0][1], src[1][1]); - if (mask & (1 << 2)) - emit_mov(pc, dst[2], src[0][2]); - if (mask & (1 << 3)) - emit_mov(pc, dst[3], src[1][3]); - if (mask & (1 << 0)) - emit_mov_immdval(pc, dst[0], 1.0f); - break; - case TGSI_OPCODE_ELSE: - 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; - - /* try to replace branch over 1 insn with a predicated insn */ - if (nv50_kill_branch(pc) == TRUE) - break; - - 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 - */ - JOIN_ON(emit_nop(pc)); - break; - case TGSI_OPCODE_ENDLOOP: - 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, 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++) { - if (!(mask & (1 << c))) - continue; - emit_flr(pc, dst[c], src[0][c]); - } - break; - case TGSI_OPCODE_FRC: - temp = temp_temp(pc, NULL); - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_flr(pc, temp, src[0][c]); - emit_sub(pc, dst[c], src[0][c], temp); - } - 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: - 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, 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, NULL); - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_sub(pc, temp, src[1][c], src[2][c]); - emit_mad(pc, dst[c], temp, src[0][c], src[2][c]); - } - break; - case TGSI_OPCODE_MAD: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_mad(pc, dst[c], src[0][c], src[1][c], src[2][c]); - } - break; - case TGSI_OPCODE_MAX: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_minmax(pc, 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, 0x8a0, dst[c], src[0][c], src[1][c]); - } - break; - case TGSI_OPCODE_MOV: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_mov(pc, dst[c], src[0][c]); - } - break; - case TGSI_OPCODE_MUL: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_mul(pc, dst[c], src[0][c], src[1][c]); - } - break; - case TGSI_OPCODE_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: - 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: - 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, NULL); - if (mask & 3) - emit_precossin(pc, temp, src[0][0]); - if (mask & (1 << 0)) - emit_flop(pc, NV50_FLOP_COS, dst[0], temp); - if (mask & (1 << 1)) - 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, NV50_FLOP_SIN, dst[3], temp); - if (!(mask &= 7)) - break; - if (temp == dst[3]) - temp = brdc = temp_temp(pc, NULL); - } - emit_precossin(pc, temp, src[0][0]); - emit_flop(pc, NV50_FLOP_SIN, brdc, temp); - break; - case TGSI_OPCODE_SLT: - case TGSI_OPCODE_SGE: - case TGSI_OPCODE_SEQ: - case TGSI_OPCODE_SGT: - case TGSI_OPCODE_SLE: - case TGSI_OPCODE_SNE: - 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, cc, dst[c], -1, src[0][c], src[1][c], ty); - } - } - break; - case TGSI_OPCODE_SUB: - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - emit_sub(pc, dst[c], src[0][c], src[1][c]); - } - break; - case TGSI_OPCODE_TEX: - emit_tex(pc, dst, mask, src[0], unit, - 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->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, - 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, NULL); - if (mask & (1 << 0)) { - emit_mul(pc, temp, src[0][2], src[1][1]); - emit_msb(pc, dst[0], src[0][1], src[1][2], temp); - } - if (mask & (1 << 1)) { - emit_mul(pc, temp, src[0][0], src[1][2]); - emit_msb(pc, dst[1], src[0][2], src[1][0], temp); - } - if (mask & (1 << 2)) { - emit_mul(pc, temp, src[0][1], src[1][0]); - emit_msb(pc, dst[2], src[0][0], src[1][1], temp); - } - if (mask & (1 << 3)) - 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); - return FALSE; - } - - if (brdc) { - if (sat) - emit_sat(pc, brdc, brdc); - for (c = 0; c < 4; c++) - if ((mask & (1 << c)) && dst[c] != brdc) - emit_mov(pc, dst[c], brdc); - } else - if (sat) { - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - /* In this case we saturate later, and dst[c] won't - * be another temp_temp (and thus lost), since rdst - * already is TEMP (see above). */ - if (rdst[c]->type == P_TEMP && rdst[c]->index < 0) - continue; - emit_sat(pc, rdst[c], dst[c]); - } - } - - kill_temp_temp(pc, NULL); - pc->reg_instance_nr = 0; - - return TRUE; -} - -static void -prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn) -{ - 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->Dst[0].Register; - mask = dst->WriteMask; - - if (dst->File == TGSI_FILE_TEMPORARY) - reg = pc->temp; - else - 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++) { - if (!(mask & (1 << c))) - continue; - reg[dst->Index * 4 + c].acc = pc->insn_nr; - } - } - - for (i = 0; i < insn->Instruction.NumSrcRegs; i++) { - src = &insn->Src[i]; - - if (src->Register.File == TGSI_FILE_TEMPORARY) - reg = pc->temp; - else - if (src->Register.File == TGSI_FILE_INPUT) - reg = pc->attr; - else - continue; - - mask = nv50_tgsi_src_mask(insn, i); - - for (c = 0; c < 4; c++) { - if (!(mask & (1 << c))) - continue; - k = tgsi_util_get_full_src_register_swizzle(src, c); - - 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; - } - } -} - -/* Returns a bitmask indicating which dst components need to be - * written to temporaries first to avoid 'corrupting' sources. - * - * m[i] (out) indicate component to write in the i-th position - * rdep[c] (in) bitmasks of dst[i] that require dst[c] as source - */ -static unsigned -nv50_revdep_reorder(unsigned m[4], unsigned rdep[4]) -{ - unsigned i, c, x, unsafe = 0; - - for (c = 0; c < 4; c++) - m[c] = c; - - /* Swap as long as a dst component written earlier is depended on - * by one written later, but the next one isn't depended on by it. - */ - for (c = 0; c < 3; c++) { - if (rdep[m[c + 1]] & (1 << m[c])) - continue; /* if next one is depended on by us */ - for (i = c + 1; i < 4; i++) - /* if we are depended on by a later one */ - if (rdep[m[c]] & (1 << m[i])) - break; - if (i == 4) - continue; - /* now, swap */ - x = m[c]; - m[c] = m[c + 1]; - m[c + 1] = x; - - /* restart */ - c = 0; - } - - /* mark dependencies that could not be resolved by reordering */ - for (i = 0; i < 3; ++i) - for (c = i + 1; c < 4; ++c) - if (rdep[m[i]] & (1 << m[c])) - unsafe |= (1 << i); - - /* NOTE: $unsafe is with respect to order, not component */ - return unsafe; -} - -/* Select a suitable dst register for broadcasting scalar results, - * or return NULL if we have to allocate an extra TEMP. - * - * If e.g. only 1 component is written, we may also emit the final - * result to a write-only register. - */ -static struct nv50_reg * -tgsi_broadcast_dst(struct nv50_pc *pc, - const struct tgsi_full_dst_register *fd, unsigned mask) -{ - 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->Register.WriteMask) - 1; - if ((1 << c) == fd->Register.WriteMask) - return tgsi_dst(pc, c, fd); - } - - return NULL; -} - -/* Scan source swizzles and return a bitmask indicating dst regs that - * also occur among the src regs, and fill rdep for nv50_revdep_reoder. - */ -static unsigned -nv50_tgsi_scan_swizzle(const struct tgsi_full_instruction *insn, - unsigned rdep[4]) -{ - const struct tgsi_full_dst_register *fd = &insn->Dst[0]; - const struct tgsi_full_src_register *fs; - unsigned i, deqs = 0; - - for (i = 0; i < 4; ++i) - rdep[i] = 0; - - for (i = 0; i < insn->Instruction.NumSrcRegs; i++) { - unsigned chn, mask = nv50_tgsi_src_mask(insn, i); - int ms = get_supported_mods(insn, i); - - fs = &insn->Src[i]; - if (fs->Register.File != fd->Register.File || - fs->Register.Index != fd->Register.Index) - continue; - - for (chn = 0; chn < 4; ++chn) { - unsigned s, c; - - if (!(mask & (1 << chn))) /* src is not read */ - continue; - c = tgsi_util_get_full_src_register_swizzle(fs, chn); - s = tgsi_util_get_full_src_register_sign_mode(fs, chn); - - if (!(fd->Register.WriteMask & (1 << c))) - 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); - deqs |= (1 << c); - } - } - - return deqs; -} - -static boolean -nv50_tgsi_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) -{ - struct tgsi_full_instruction insn = tok->FullInstruction; - const struct tgsi_full_dst_register *fd; - unsigned i, deqs, rdep[4], m[4]; - - 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, NULL); - return nv50_program_tx_insn(pc, &insn); - } - pc->r_brdc = NULL; - - if (!deqs || (!rdep[0] && !rdep[1] && !rdep[2] && !rdep[3])) - return nv50_program_tx_insn(pc, &insn); - - deqs = nv50_revdep_reorder(m, rdep); - - for (i = 0; i < 4; ++i) { - assert(pc->r_dst[m[i]] == NULL); - - insn.Dst[0].Register.WriteMask = - fd->Register.WriteMask & (1 << m[i]); - - if (!insn.Dst[0].Register.WriteMask) - continue; - - if (deqs & (1 << i)) - pc->r_dst[m[i]] = alloc_temp(pc, NULL); - - if (!nv50_program_tx_insn(pc, &insn)) - return FALSE; - } - - for (i = 0; i < 4; i++) { - struct nv50_reg *reg = pc->r_dst[i]; - if (!reg) - continue; - pc->r_dst[i] = NULL; - - if (insn.Instruction.Saturate == TGSI_SAT_ZERO_ONE) - emit_sat(pc, tgsi_dst(pc, i, fd), reg); - else - emit_mov(pc, tgsi_dst(pc, i, fd), reg); - free_temp(pc, reg); - } - - return TRUE; -} - -static void -load_interpolant(struct nv50_pc *pc, struct nv50_reg *reg) -{ - struct nv50_reg *iv, **ppiv; - unsigned mode = pc->interp_mode[reg->index]; - - ppiv = (mode & INTERP_CENTROID) ? &pc->iv_c : &pc->iv_p; - iv = *ppiv; - - if ((mode & INTERP_PERSPECTIVE) && !iv) { - iv = *ppiv = alloc_temp(pc, NULL); - iv->rhw = popcnt4(pc->p->cfg.regs[1] >> 24) - 1; - - emit_interp(pc, iv, NULL, mode & INTERP_CENTROID); - 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. - */ - } - - emit_interp(pc, reg, iv, mode); -} - -/* The face input is always at v[255] (varying space), with a - * value of 0 for back-facing, and 0xffffffff for front-facing. - */ -static void -load_frontfacing(struct nv50_pc *pc, struct nv50_reg *sv) -{ - struct nv50_reg *temp = alloc_temp(pc, NULL); - int r_pred = 0; - - temp->rhw = 255; - emit_interp(pc, temp, NULL, INTERP_FLAT); - - 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 -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, instance_id = 0, vertex_id = 0, flat_nr = 0; - - tgsi_parse_init(&tp, pc->p->pipe.tokens); - while (!tgsi_parse_end_of_tokens(&tp)) { - const union tgsi_full_token *tok = &tp.FullToken; - - tgsi_parse_token(&tp); - switch (tok->Token.Type) { - case TGSI_TOKEN_TYPE_IMMEDIATE: - { - const struct tgsi_full_immediate *imm = - &tp.FullToken.FullImmediate; - - 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: - { - const struct tgsi_full_declaration *d; - unsigned si, last, first, mode; - - d = &tp.FullToken.FullDeclaration; - first = d->Range.First; - last = d->Range.Last; - - switch (d->Declaration.File) { - case TGSI_FILE_TEMPORARY: - break; - case TGSI_FILE_OUTPUT: - if (!d->Declaration.Semantic || - p->type == PIPE_SHADER_FRAGMENT) - break; - - si = d->Semantic.Index; - switch (d->Semantic.Name) { - case TGSI_SEMANTIC_BCOLOR: - p->cfg.two_side[si].hw = first; - if (p->cfg.out_nr > first) - p->cfg.out_nr = first; - break; - case TGSI_SEMANTIC_PSIZE: - p->cfg.psiz = 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: - p->cfg.clpd = MIN2(p->cfg.clpd, first); - break; - */ - default: - break; - } - break; - case TGSI_FILE_INPUT: - { - if (p->type != PIPE_SHADER_FRAGMENT) - break; - - switch (d->Declaration.Interpolate) { - case TGSI_INTERPOLATE_CONSTANT: - mode = INTERP_FLAT; - flat_nr++; - break; - case TGSI_INTERPOLATE_PERSPECTIVE: - mode = INTERP_PERSPECTIVE; - p->cfg.regs[1] |= 0x08 << 24; - break; - default: - mode = INTERP_LINEAR; - break; - } - if (d->Declaration.Centroid) - mode |= INTERP_CENTROID; - - assert(last < 32); - for (i = first; i <= last; i++) - 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: - break; - default: - NOUVEAU_ERR("bad decl file %d\n", - d->Declaration.File); - goto out_err; - } - } - break; - case TGSI_TOKEN_TYPE_INSTRUCTION: - pc->insn_nr++; - prep_inspect_insn(pc, &tok->FullInstruction); - break; - default: - break; - } - } - - if (p->type == PIPE_SHADER_VERTEX || p->type == PIPE_SHADER_GEOMETRY) { - int rid = 0; - - 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.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.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.out[ - p->cfg.two_side[c].hw]; - - if (p->cfg.psiz < 0x40) - p->cfg.psiz = p->cfg.out[p->cfg.psiz].hw; - - copy_semantic_info(p); - } else - if (p->type == PIPE_SHADER_FRAGMENT) { - int rid = 0, aid; - unsigned n = 0, m = pc->attr_nr - flat_nr; - - pc->allow32 = TRUE; - - /* 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.in[m++].id = i; - else { - if (!(pc->interp_mode[i] & INTERP_PERSPECTIVE)) - p->cfg.in[n].linear = TRUE; - p->cfg.in[n++].id = i; - } - } - copy_semantic_info(p); - - for (n = 0; n < pc->attr_nr; ++n) { - p->cfg.in[n].hw = rid = aid; - i = p->cfg.in[n].id; - - if (p->info.input_semantic_name[i] == - TGSI_SEMANTIC_FACE) { - load_frontfacing(pc, &pc->attr[i * 4]); - continue; - } - - for (c = 0; c < 4; ++c) { - if (!pc->attr[i * 4 + c].acc) - continue; - pc->attr[i * 4 + c].rhw = rid++; - p->cfg.in[n].mask |= 1 << c; - - load_interpolant(pc, &pc->attr[i * 4 + c]); - } - aid += popcnt4(p->cfg.in[n].mask); - } - - m = popcnt4(p->cfg.regs[1] >> 24); - - /* set count of non-position inputs and of non-flat - * non-position inputs for FP_INTERPOLANT_CTRL - */ - p->cfg.regs[1] |= aid - m; - - if (flat_nr) { - 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 = 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 < 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 - */ - i = p->info.writes_z ? 4 : 0; - for (rid = 0; i < pc->result_nr * 4; i++) - pc->result[i].rhw = rid++; - if (p->info.writes_z) - pc->result[2].rhw = rid++; - - p->cfg.high_result = rid; - - /* separate/different colour results for MRTs ? */ - if (pc->result_nr - (p->info.writes_z ? 1 : 0) > 1) - p->cfg.regs[2] |= 1; - } - - if (pc->immd_nr) { - int rid = 0; - - pc->immd = MALLOC(pc->immd_nr * 4 * sizeof(struct nv50_reg)); - if (!pc->immd) - goto out_err; - - for (i = 0; i < pc->immd_nr; i++) { - for (c = 0; c < 4; c++, rid++) - ctor_reg(&pc->immd[rid], P_IMMD, i, rid); - } - } - - ret = TRUE; -out_err: - if (pc->iv_p) - free_temp(pc, pc->iv_p); - if (pc->iv_c) - free_temp(pc, pc->iv_c); - - tgsi_parse_free(&tp); - return ret; -} - -static void -free_nv50_pc(struct nv50_pc *pc) -{ - if (pc->immd) - FREE(pc->immd); - if (pc->param) - FREE(pc->param); - if (pc->result) - FREE(pc->result); - if (pc->attr) - 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) -{ - int i, c; - unsigned rtype[2] = { P_ATTR, P_RESULT }; - - pc->p = p; - pc->temp_nr = p->info.file_max[TGSI_FILE_TEMPORARY] + 1; - pc->attr_nr = p->info.file_max[TGSI_FILE_INPUT] + 1; - pc->result_nr = p->info.file_max[TGSI_FILE_OUTPUT] + 1; - 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.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.in_nr = pc->attr_nr; - - if (p->info.writes_z) { - p->cfg.regs[2] |= 0x00000100; - p->cfg.regs[3] |= 0x00000011; - } - if (p->info.uses_kill) - p->cfg.regs[2] |= 0x00100000; - break; - } - - if (pc->temp_nr) { - pc->temp = MALLOC(pc->temp_nr * 4 * sizeof(struct nv50_reg)); - if (!pc->temp) - return FALSE; - - for (i = 0; i < pc->temp_nr * 4; ++i) - ctor_reg(&pc->temp[i], P_TEMP, i / 4, -1); - } - - if (pc->attr_nr) { - pc->attr = MALLOC(pc->attr_nr * 4 * sizeof(struct nv50_reg)); - if (!pc->attr) - return FALSE; - - for (i = 0; i < pc->attr_nr * 4; ++i) - ctor_reg(&pc->attr[i], rtype[0], i / 4, -1); - } - - if (pc->result_nr) { - unsigned nr = pc->result_nr * 4; - - pc->result = MALLOC(nr * sizeof(struct nv50_reg)); - if (!pc->result) - return FALSE; - - for (i = 0; i < nr; ++i) - ctor_reg(&pc->result[i], rtype[1], i / 4, -1); - } - - if (pc->param_nr) { - int rid = 0; - - pc->param = MALLOC(pc->param_nr * 4 * sizeof(struct nv50_reg)); - if (!pc->param) - return FALSE; - - for (i = 0; i < pc->param_nr; ++i) - for (c = 0; c < 4; ++c, ++rid) - ctor_reg(&pc->param[rid], P_CONST, i, rid); - } - - if (pc->addr_nr) { - pc->addr = CALLOC(pc->addr_nr * 4, sizeof(struct nv50_reg *)); - if (!pc->addr) - return FALSE; - } - for (i = 0; i < NV50_SU_MAX_ADDR; ++i) - ctor_reg(&pc->r_addr[i], P_ADDR, -1, i + 1); - - 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, **bra_list; - unsigned i, n, pos; - - bra_list = CALLOC(pc->p->exec_size, sizeof(struct nv50_program_exec *)); - - /* Collect branch instructions, we need to adjust their offsets - * when converting 32 bit instructions to 64 bit ones - */ - for (n = 0, e = pc->p->exec_head; e; e = e->next) - if (e->param.index >= 0 && !e->param.mask) - bra_list[n++] = e; - - /* Make sure we don't have any single 32 bit instructions. */ - for (e = pc->p->exec_head, pos = 0; e; e = e->next) { - pos += is_long(e) ? 2 : 1; - - if ((pos & 1) && (!e->next || is_long(e->next))) { - 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; - } - } - - FREE(bra_list); - - if (!pc->p->info.opcode_count[TGSI_OPCODE_CAL]) - return; - - /* 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 -nv50_program_tx(struct nv50_program *p) -{ - struct tgsi_parse_context parse; - struct nv50_pc *pc; - boolean ret; - - pc = CALLOC_STRUCT(nv50_pc); - if (!pc) - return FALSE; - - ret = ctor_nv50_pc(pc, p); - if (ret == FALSE) - goto out_cleanup; - - ret = nv50_program_tx_prep(pc); - 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; - - /* previously allow32 was FALSE for first & last instruction */ - pc->allow32 = TRUE; - - 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) - goto out_err; - break; - default: - break; - } - } - - nv50_program_fixup_insns(pc); - - p->param_nr = pc->param_nr * 4; - p->immd_nr = pc->immd_nr * 4; - p->immd = pc->immd_buf; - -out_err: - tgsi_parse_free(&parse); - -out_cleanup: - free_nv50_pc(pc); - return ret; -} - -static void -nv50_program_validate(struct nv50_context *nv50, struct nv50_program *p) -{ - if (nv50_program_tx(p) == FALSE) - assert(0); - p->translated = TRUE; -} - -static void -nv50_program_upload_data(struct nv50_context *nv50, uint32_t *map, - unsigned start, unsigned count, unsigned cbuf) -{ - struct nouveau_channel *chan = nv50->screen->base.channel; - struct nouveau_grobj *tesla = nv50->screen->tesla; - - while (count) { - unsigned nr = count > 2047 ? 2047 : count; - - BEGIN_RING(chan, tesla, NV50TCL_CB_ADDR, 1); - OUT_RING (chan, (cbuf << 0) | (start << 8)); - BEGIN_RING(chan, tesla, NV50TCL_CB_DATA(0) | 0x40000000, nr); - OUT_RINGp (chan, map, nr); - - map += nr; - start += nr; - count -= nr; - } -} - -static void -nv50_program_validate_data(struct nv50_context *nv50, struct nv50_program *p) -{ - struct pipe_context *pipe = &nv50->pipe; - struct pipe_transfer *transfer; - - if (!p->data[0] && p->immd_nr) { - struct nouveau_resource *heap = nv50->screen->immd_heap[0]; - - if (nouveau_resource_alloc(heap, p->immd_nr, p, &p->data[0])) { - while (heap->next && heap->size < p->immd_nr) { - struct nv50_program *evict = heap->next->priv; - nouveau_resource_free(&evict->data[0]); - } - - if (nouveau_resource_alloc(heap, p->immd_nr, p, - &p->data[0])) - assert(0); - } - - /* immediates only need to be uploaded again when freed */ - nv50_program_upload_data(nv50, p->immd, p->data[0]->start, - p->immd_nr, NV50_CB_PMISC); - } - - assert(p->param_nr <= 512); - - if (p->param_nr) { - unsigned cb; - uint32_t *map = pipe_buffer_map(pipe, - nv50->constbuf[p->type], - PIPE_TRANSFER_READ, - &transfer); - 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; - assert(p->type == PIPE_SHADER_VERTEX); - break; - } - - nv50_program_upload_data(nv50, map, 0, p->param_nr, cb); - pipe_buffer_unmap(pipe, nv50->constbuf[p->type], - transfer); - } -} - -static void -nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p) -{ - struct nouveau_channel *chan = nv50->screen->base.channel; - struct nv50_program_exec *e; - uint32_t *up, i; - boolean upload = FALSE; - - if (!p->bo) { - nouveau_bo_new(chan->device, NOUVEAU_BO_VRAM, 0x100, - p->exec_size * 4, &p->bo); - upload = TRUE; - } - - if (p->data[0] && p->data[0]->start != p->data_start[0]) - upload = TRUE; - - if (!upload) - return; - - up = MALLOC(p->exec_size * 4); - - for (i = 0, e = p->exec_head; e; e = e->next) { - unsigned ei, ci, bs; - - if (e->param.index >= 0 && e->param.mask) { - bs = (e->inst[1] >> 22) & 0x07; - assert(bs < 2); - ei = e->param.shift >> 5; - ci = e->param.index; - if (bs == 0) - ci += p->data[bs]->start; - - e->inst[ei] &= ~e->param.mask; - e->inst[ei] |= (ci << e->param.shift); - } else - if (e->param.index >= 0) { - /* zero mask means param is a jump/branch offset */ - assert(!(e->param.index & 1)); - /* seem to be 8 byte steps */ - ei = (e->param.index >> 1) + 0 /* START_ID */; - - e->inst[0] &= 0xf0000fff; - e->inst[0] |= ei << 12; - } - - up[i++] = e->inst[0]; - if (is_long(e)) - up[i++] = e->inst[1]; - } - assert(i == p->exec_size); - - if (p->data[0]) - p->data_start[0] = p->data[0]->start; - -#ifdef NV50_PROGRAM_DUMP - NOUVEAU_ERR("-------\n"); - for (e = p->exec_head; e; e = e->next) { - NOUVEAU_ERR("0x%08x\n", e->inst[0]); - if (is_long(e)) - NOUVEAU_ERR("0x%08x\n", e->inst[1]); - } -#endif - nv50_upload_sifc(nv50, p->bo, 0, NOUVEAU_BO_VRAM, - NV50_2D_DST_FORMAT_R8_UNORM, 65536, 1, 262144, - up, NV50_2D_SIFC_FORMAT_R8_UNORM, 0, - 0, 0, p->exec_size * 4, 1, 1); - - FREE(up); -} - -struct nouveau_stateobj * -nv50_vertprog_validate(struct nv50_context *nv50) -{ - struct nouveau_grobj *tesla = nv50->screen->tesla; - struct nv50_program *p = nv50->vertprog; - struct nouveau_stateobj *so; - - if (!p->translated) { - nv50_program_validate(nv50, p); - if (!p->translated) - assert(0); - } - - nv50_program_validate_data(nv50, p); - nv50_program_validate_code(nv50, p); - - if (!(nv50->dirty & NV50_NEW_VERTPROG)) - return NULL; - - 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); - so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | - 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_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 */ - return so; -} - -struct nouveau_stateobj * -nv50_fragprog_validate(struct nv50_context *nv50) -{ - struct nouveau_grobj *tesla = nv50->screen->tesla; - struct nv50_program *p = nv50->fragprog; - struct nouveau_stateobj *so; - - if (!p->translated) { - nv50_program_validate(nv50, p); - if (!p->translated) - assert(0); - } - - nv50_program_validate_data(nv50, p); - nv50_program_validate_code(nv50, p); - - if (!(nv50->dirty & NV50_NEW_FRAGPROG)) - return NULL; - - 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); - so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | - NOUVEAU_BO_LOW, 0, 0); - so_method(so, tesla, NV50TCL_FP_REG_ALLOC_TEMP, 1); - 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_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]); - so_method(so, tesla, NV50TCL_FP_START_ID, 1); - so_data (so, 0); /* program start offset */ - return so; -} - -struct nouveau_stateobj * -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); - - if (!(nv50->dirty & NV50_NEW_GEOMPROG)) - return NULL; - - 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); - return 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; - unsigned i, c, m = base; - uint32_t origin = 0x00000010; - - vp = nv50->geomprog ? nv50->geomprog : nv50->vertprog; - - /* 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.in_nr; i++) { - unsigned j, n = popcnt4(fp->cfg.in[i].mask); - - if (fp->cfg.in[i].sn != TGSI_SEMANTIC_GENERIC) { - m += n; - continue; - } - - 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 < vp->info.num_outputs) { - ubyte enable = - (nv50->rasterizer->pipe.sprite_coord_enable >> vp->cfg.out[j].si) & 1; - - if (enable == 0) { - m += n; - continue; - } - } - - /* this is either PointCoord or replaced by sprite coords */ - for (c = 0; c < 4; c++) { - if (!(fp->cfg.in[i].mask & (1 << c))) - continue; - pntc[m / 8] |= (c + 1) << ((m % 8) * 4); - ++m; - } - } - return (nv50->rasterizer->pipe.sprite_coord_mode == PIPE_SPRITE_COORD_LOWER_LEFT ? 0 : origin); +nv50_fragprog_prepare(struct nv50_translation_info *ti) +{ + struct nv50_program *p = ti->p; + int i, j, c; + unsigned nvary, nintp, depr; + unsigned n = 0, m = 0, skip = 0; + ubyte sn[16], si[16]; + + /* FP flags */ + + if (ti->scan.writes_z) { + p->fp.flags[1] = 0x11; + p->fp.flags[0] |= NV50TCL_FP_CONTROL_EXPORTS_Z; + } + + if (ti->scan.uses_kill) + p->fp.flags[0] |= NV50TCL_FP_CONTROL_USES_KIL; + + /* FP inputs */ + + ti->input_file = NV_FILE_MEM_V; + ti->output_file = NV_FILE_GPR; + + /* count non-flat inputs, save semantic info */ + for (i = 0; i < p->in_nr; ++i) { + m += (ti->interp_mode[i] & NV50_INTERP_FLAT) ? 0 : 1; + sn[i] = p->in[i].sn; + si[i] = p->in[i].si; + } + + /* reorder p->in[] so that non-flat inputs are first and + * kick out special inputs that don't use VP/GP_RESULT_MAP + */ + nintp = 0; + for (i = 0; i < p->in_nr; ++i) { + if (sn[i] == TGSI_SEMANTIC_POSITION) { + for (c = 0; c < 4; ++c) { + ti->input_map[i][c] = nintp; + if (ti->input_access[i][c]) { + p->fp.interp |= 1 << (24 + c); + ++nintp; + } + } + skip++; + continue; + } else + if (sn[i] == TGSI_SEMANTIC_FACE) { + ti->input_map[i][0] = 255; + skip++; + continue; + } + + j = (ti->interp_mode[i] & NV50_INTERP_FLAT) ? m++ : n++; + + if (sn[i] == TGSI_SEMANTIC_COLOR) + p->vp.bfc[si[i]] = j; + + p->in[j].linear = (ti->interp_mode[i] & NV50_INTERP_LINEAR) ? 1 : 0; + p->in[j].id = i; + p->in[j].sn = sn[i]; + p->in[j].si = si[i]; + } + assert(n <= m); + p->in_nr -= skip; + + if (!(p->fp.interp & (8 << 24))) { + p->fp.interp |= (8 << 24); + ++nintp; + } + + p->fp.colors = (1 << 24) | 4; /* CLAMP, FFC0_ID = 4 */ + + for (i = 0; i < p->in_nr; ++i) { + int j = p->in[i].id; + p->in[i].hw = nintp; + + for (c = 0; c < 4; ++c) { + if (!ti->input_access[j][c]) + continue; + p->in[i].mask |= 1 << c; + ti->input_map[j][c] = nintp++; + } + /* count color inputs */ + if (i == p->vp.bfc[0] || i == p->vp.bfc[1]) + p->fp.colors += bitcount4(p->in[i].mask) << 16; + } + nintp -= bitcount4(p->fp.interp >> 24); /* subtract position inputs */ + nvary = nintp; + if (n < m) + nvary -= p->in[n].hw; + + p->fp.interp |= nvary << NV50TCL_FP_INTERPOLANT_CTRL_COUNT_NONFLAT_SHIFT; + p->fp.interp |= nintp << NV50TCL_FP_INTERPOLANT_CTRL_COUNT_SHIFT; + + /* FP outputs */ + + if (p->out_nr > (1 + (ti->scan.writes_z ? 1 : 0))) + p->fp.flags[0] |= NV50TCL_FP_CONTROL_MULTIPLE_RESULTS; + + depr = p->out_nr; + for (i = 0; i < p->out_nr; ++i) { + p->out[i].id = i; + if (p->out[i].sn == TGSI_SEMANTIC_POSITION) { + depr = i; + continue; + } + p->out[i].hw = p->max_out; + p->out[i].mask = 0xf; + + for (c = 0; c < 4; ++c) + ti->output_map[i][c] = p->max_out++; + } + if (depr < p->out_nr) { + p->out[depr].mask = 0x4; + p->out[depr].hw = ti->output_map[depr][2] = p->max_out++; + } else { + /* allowed values are 1, 4, 5, 8, 9, ... */ + p->max_out = MAX2(4, p->max_out); + } + + return 0; } static int -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 *)map32; - - for (c = 0; c < 4; ++c) { - if (mf & 1) { - if (fpi->linear == TRUE) - lin[mid / 32] |= 1 << (mid % 32); - if (mv & 1) - map[mid] = oid; - else - map[mid] = (c == 3) ? (zval + 1) : zval; - ++mid; - } - - oid += mv & 1; - mf >>= 1; - mv >>= 1; - } - - return mid; -} - -struct nouveau_stateobj * -nv50_fp_linkage_validate(struct nv50_context *nv50) +nv50_geomprog_prepare(struct nv50_translation_info *ti) { - 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; - int i, n, c, m = 0; - 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_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 / 4] |= (vp->cfg.clpd + c) << ((m % 4) * 8); - ++m; - } - reg[1] = (m << 8); - } - - reg[0] |= m << 8; /* adjust BFC0 id */ - - /* if light_twoside is active, it seems FFC0_ID == BFC0_ID is bad */ - if (nv50->rasterizer->pipe.light_twoside) { - struct nv50_sreg4 *vpo = &vp->cfg.two_side[0]; - struct nv50_sreg4 *fpi = &fp->cfg.two_side[0]; - - 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 */ - - 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; - - 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) { - map[m / 4] |= vp->cfg.psiz << ((m % 4) * 8); - reg[3] = (m++ << 4) | 1; - } + ti->input_file = NV_FILE_MEM_S; + ti->output_file = NV_FILE_OUT; - /* now fill the stateobj (at most 28 so_data) */ - so = so_new(10, 54, 0); - - n = (m + 3) / 4; - assert(m <= 64); - 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); - - so_method(so, tesla, NV50TCL_FP_INTERPOLANT_CTRL, 1); - so_data (so, reg[4]); - - so_method(so, tesla, NV50TCL_NOPERSPECTIVE_BITMAP(0), 4); - so_datap (so, lin, 4); - - if (nv50->rasterizer->pipe.sprite_coord_enable) { - 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_method(so, tesla, NV50TCL_GP_ENABLE, 1); - so_data (so, (vp->type == PIPE_SHADER_GEOMETRY) ? 1 : 0); - - return so; + assert(0); + return 1; } static int -construct_vp_gp_mapping(uint32_t *map32, int m, - struct nv50_program *vp, struct nv50_program *gp) +nv50_prog_scan(struct nv50_translation_info *ti) { - uint8_t *map = (uint8_t *)map32; - int i, j, c; + struct nv50_program *p = ti->p; + struct tgsi_parse_context parse; + int ret, i; - for (i = 0; i < gp->cfg.in_nr; ++i) { - uint8_t oid = 0, mv = 0, mg = gp->cfg.in[i].mask; + p->vp.edgeflag = 0x40; + p->vp.psiz = 0x40; + p->vp.bfc[0] = 0x40; + p->vp.bfc[1] = 0x40; + p->gp.primid = 0x80; - 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; - } - } + tgsi_scan_shader(p->pipe.tokens, &ti->scan); - 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; -} +#ifdef NV50_PROGRAM_DEBUG + tgsi_dump(p->pipe.tokens, 0); +#endif -struct nouveau_stateobj * -nv50_gp_linkage_validate(struct nv50_context *nv50) + ti->subr = + CALLOC(ti->scan.opcode_count[TGSI_OPCODE_BGNSUB], sizeof(ti->subr[0])); + + ti->immd32 = (uint32_t *)MALLOC(ti->scan.immediate_count * 16); + ti->immd32_ty = (ubyte *)MALLOC(ti->scan.immediate_count * sizeof(ubyte)); + + ti->insns = MALLOC(ti->scan.num_instructions * sizeof(ti->insns[0])); + + tgsi_parse_init(&parse, p->pipe.tokens); + while (!tgsi_parse_end_of_tokens(&parse)) { + tgsi_parse_token(&parse); + + switch (parse.FullToken.Token.Type) { + case TGSI_TOKEN_TYPE_IMMEDIATE: + prog_immediate(ti, &parse.FullToken.FullImmediate); + break; + case TGSI_TOKEN_TYPE_DECLARATION: + prog_decl(ti, &parse.FullToken.FullDeclaration); + break; + case TGSI_TOKEN_TYPE_INSTRUCTION: + ti->insns[ti->inst_nr] = parse.FullToken.FullInstruction; + prog_inst(ti, &parse.FullToken.FullInstruction, ++ti->inst_nr); + break; + } + } + + /* Scan to determine which registers are inputs/outputs of a subroutine. */ + for (i = 0; i < ti->subr_nr; ++i) { + int pc = ti->subr[i].id; + while (ti->insns[pc].Instruction.Opcode != TGSI_OPCODE_ENDSUB) + prog_subroutine_inst(&ti->subr[i], &ti->insns[pc++]); + } + + p->in_nr = ti->scan.file_max[TGSI_FILE_INPUT] + 1; + p->out_nr = ti->scan.file_max[TGSI_FILE_OUTPUT] + 1; + + switch (p->type) { + case PIPE_SHADER_VERTEX: + ret = nv50_vertprog_prepare(ti); + break; + case PIPE_SHADER_FRAGMENT: + ret = nv50_fragprog_prepare(ti); + break; + case PIPE_SHADER_GEOMETRY: + ret = nv50_geomprog_prepare(ti); + break; + default: + assert(!"unsupported program type"); + ret = -1; + break; + } + + assert(!ret); + return ret; +} + +boolean +nv50_program_tx(struct nv50_program *p) { - 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) - return NULL; - memset(map, 0, sizeof(map)); - - m = construct_vp_gp_mapping(map, m, vp, gp); + struct nv50_translation_info *ti; + int ret; - so = so_new(3, 24 - 3, 0); + ti = CALLOC_STRUCT(nv50_translation_info); + ti->p = p; - so_method(so, tesla, NV50TCL_VP_GP_BUILTIN_ATTR_EN, 1); - so_data (so, vp->cfg.regs[0] | gp->cfg.regs[0]); + ti->edgeflag_out = PIPE_MAX_SHADER_OUTPUTS; - assert(m <= 32); - so_method(so, tesla, NV50TCL_VP_RESULT_MAP_SIZE, 1); - so_data (so, m); + ret = nv50_prog_scan(ti); + if (ret) { + NOUVEAU_ERR("unsupported shader program\n"); + goto out; + } - m = (m + 3) / 4; - so_method(so, tesla, NV50TCL_VP_RESULT_MAP(0), m); - so_datap (so, map, m); + ret = nv50_generate_code(ti); + if (ret) { + NOUVEAU_ERR("error during shader translation\n"); + goto out; + } - return so; +out: + if (ti->immd32) + FREE(ti->immd32); + if (ti->immd32_ty) + FREE(ti->immd32_ty); + if (ti->insns) + FREE(ti->insns); + if (ti->subr) + FREE(ti->subr); + FREE(ti); + return ret ? FALSE : TRUE; } void nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p) { - while (p->exec_head) { - struct nv50_program_exec *e = p->exec_head; + nouveau_bo_ref(NULL, &p->bo); - p->exec_head = e->next; - FREE(e); - } - p->exec_tail = NULL; - p->exec_size = 0; + so_ref(NULL, &p->so); - nouveau_bo_ref(NULL, &p->bo); + if (p->code) + FREE(p->code); - FREE(p->immd); - nouveau_resource_free(&p->data[0]); + if (p->fixups) + FREE(p->fixups); - p->translated = 0; + p->translated = FALSE; } |