diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_shader_0.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_shader_0.c | 1050 |
1 files changed, 0 insertions, 1050 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c b/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c deleted file mode 100644 index 8c203cc664..0000000000 --- a/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c +++ /dev/null @@ -1,1050 +0,0 @@ -/* - * Copyright (C) 2006 Ben Skeggs. - * - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -/* - * Authors: - * Ben Skeggs <darktama@iinet.net.au> - */ - -#include "glheader.h" -#include "macros.h" -#include "enums.h" - -#include "shader/prog_instruction.h" -#include "shader/prog_parameter.h" -#include "shader/prog_statevars.h" -#include "shader/programopt.h" - -#include "nouveau_context.h" -#include "nouveau_shader.h" -#include "nouveau_msg.h" - -static nvsFixedReg _tx_mesa_vp_dst_reg[VERT_RESULT_MAX] = { - NVS_FR_POSITION, NVS_FR_COL0, NVS_FR_COL1, NVS_FR_FOGCOORD, - NVS_FR_TEXCOORD0, NVS_FR_TEXCOORD1, NVS_FR_TEXCOORD2, NVS_FR_TEXCOORD3, - NVS_FR_TEXCOORD4, NVS_FR_TEXCOORD5, NVS_FR_TEXCOORD6, NVS_FR_TEXCOORD7, - NVS_FR_POINTSZ, NVS_FR_BFC0, NVS_FR_BFC1, NVS_FR_UNKNOWN /* EDGE */ -}; - -static nvsFixedReg _tx_mesa_fp_dst_reg[FRAG_RESULT_MAX] = { - NVS_FR_FRAGDATA0 /* COLR */, NVS_FR_FRAGDATA0 /* COLH */, - NVS_FR_UNKNOWN /* DEPR */ -}; - -static nvsFixedReg _tx_mesa_fp_src_reg[FRAG_ATTRIB_MAX] = { - NVS_FR_POSITION, NVS_FR_COL0, NVS_FR_COL1, NVS_FR_FOGCOORD, - NVS_FR_TEXCOORD0, NVS_FR_TEXCOORD1, NVS_FR_TEXCOORD2, NVS_FR_TEXCOORD3, - NVS_FR_TEXCOORD4, NVS_FR_TEXCOORD5, NVS_FR_TEXCOORD6, NVS_FR_TEXCOORD7 -}; - -static nvsSwzComp _tx_mesa_swizzle[4] = { - NVS_SWZ_X, NVS_SWZ_Y, NVS_SWZ_Z, NVS_SWZ_W -}; - -static nvsOpcode _tx_mesa_opcode[] = { - [OPCODE_ABS] = NVS_OP_ABS, [OPCODE_ADD] = NVS_OP_ADD, - [OPCODE_ARA] = NVS_OP_ARA, [OPCODE_ARL] = NVS_OP_ARL, - [OPCODE_ARL_NV] = NVS_OP_ARL, [OPCODE_ARR] = NVS_OP_ARR, - [OPCODE_CMP] = NVS_OP_CMP, [OPCODE_COS] = NVS_OP_COS, - [OPCODE_DDX] = NVS_OP_DDX, [OPCODE_DDY] = NVS_OP_DDY, - [OPCODE_DP3] = NVS_OP_DP3, [OPCODE_DP4] = NVS_OP_DP4, - [OPCODE_DPH] = NVS_OP_DPH, [OPCODE_DST] = NVS_OP_DST, - [OPCODE_EX2] = NVS_OP_EX2, [OPCODE_EXP] = NVS_OP_EXP, - [OPCODE_FLR] = NVS_OP_FLR, [OPCODE_FRC] = NVS_OP_FRC, - [OPCODE_KIL] = NVS_OP_EMUL, [OPCODE_KIL_NV] = NVS_OP_KIL, - [OPCODE_LG2] = NVS_OP_LG2, [OPCODE_LIT] = NVS_OP_LIT, - [OPCODE_LOG] = NVS_OP_LOG, - [OPCODE_LRP] = NVS_OP_LRP, - [OPCODE_MAD] = NVS_OP_MAD, [OPCODE_MAX] = NVS_OP_MAX, - [OPCODE_MIN] = NVS_OP_MIN, [OPCODE_MOV] = NVS_OP_MOV, - [OPCODE_MUL] = NVS_OP_MUL, - [OPCODE_PK2H] = NVS_OP_PK2H, [OPCODE_PK2US] = NVS_OP_PK2US, - [OPCODE_PK4B] = NVS_OP_PK4B, [OPCODE_PK4UB] = NVS_OP_PK4UB, - [OPCODE_POW] = NVS_OP_POW, [OPCODE_POPA] = NVS_OP_POPA, - [OPCODE_PUSHA] = NVS_OP_PUSHA, - [OPCODE_RCC] = NVS_OP_RCC, [OPCODE_RCP] = NVS_OP_RCP, - [OPCODE_RFL] = NVS_OP_RFL, [OPCODE_RSQ] = NVS_OP_RSQ, - [OPCODE_SCS] = NVS_OP_SCS, [OPCODE_SEQ] = NVS_OP_SEQ, - [OPCODE_SFL] = NVS_OP_SFL, [OPCODE_SGE] = NVS_OP_SGE, - [OPCODE_SGT] = NVS_OP_SGT, [OPCODE_SIN] = NVS_OP_SIN, - [OPCODE_SLE] = NVS_OP_SLE, [OPCODE_SLT] = NVS_OP_SLT, - [OPCODE_SNE] = NVS_OP_SNE, [OPCODE_SSG] = NVS_OP_SSG, - [OPCODE_STR] = NVS_OP_STR, [OPCODE_SUB] = NVS_OP_SUB, - [OPCODE_SWZ] = NVS_OP_MOV, - [OPCODE_TEX] = NVS_OP_TEX, [OPCODE_TXB] = NVS_OP_TXB, - [OPCODE_TXD] = NVS_OP_TXD, - [OPCODE_TXL] = NVS_OP_TXL, [OPCODE_TXP] = NVS_OP_TXP, - [OPCODE_TXP_NV] = NVS_OP_TXP, - [OPCODE_UP2H] = NVS_OP_UP2H, [OPCODE_UP2US] = NVS_OP_UP2US, - [OPCODE_UP4B] = NVS_OP_UP4B, [OPCODE_UP4UB] = NVS_OP_UP4UB, - [OPCODE_X2D] = NVS_OP_X2D, - [OPCODE_XPD] = NVS_OP_XPD -}; - -static nvsCond _tx_mesa_condmask[] = { - NVS_COND_TR, /* workaround mesa not filling a valid value */ - NVS_COND_GT, NVS_COND_LT, NVS_COND_UN, NVS_COND_GE, - NVS_COND_LE, NVS_COND_NE, NVS_COND_NE, NVS_COND_TR, NVS_COND_FL -}; - -struct pass0_rec { - int nvs_ipos; - int next_temp; - - int mesa_const_base; - int mesa_const_last; - - int swzconst_done; - int swzconst_id; - nvsRegister const_half; -}; - -#define X NVS_SWZ_X -#define Y NVS_SWZ_Y -#define Z NVS_SWZ_Z -#define W NVS_SWZ_W - -#define FILL_CONDITION_FLAGS(fragment) do { \ - (fragment)->cond = \ - pass0_make_condmask(inst->DstReg.CondMask); \ - if ((fragment)->cond != NVS_COND_TR) \ - (fragment)->cond_test = 1; \ - (fragment)->cond_reg = inst->CondDst; \ - pass0_make_swizzle((fragment)->cond_swizzle, inst->DstReg.CondSwizzle);\ -} while(0) - -#define ARITH(op,dest,mask,sat,s0,s1,s2) do { \ - nvsinst = pass0_emit(nvs, parent, fpos, (op), \ - (dest), (mask), (sat), (s0), (s1), (s2));\ - FILL_CONDITION_FLAGS(nvsinst); \ -} while(0) - -#define ARITHu(op,dest,mask,sat,s0,s1,s2) do { \ - nvsinst = pass0_emit(nvs, parent, fpos, (op), \ - (dest), (mask), (sat), (s0), (s1), (s2));\ -} while(0) - -static void -pass0_append_fragment(nvsFragmentHeader *parent, - nvsFragmentHeader *fragment, - int pos) -{ - nvsFragmentHeader **head, **tail; - assert(parent && fragment); - - switch (parent->type) { - case NVS_BRANCH: - if (pos == 0) { - head = &((nvsBranch *)parent)->target_head; - tail = &((nvsBranch *)parent)->target_tail; - } else { - head = &((nvsBranch *)parent)->else_head; - tail = &((nvsBranch *)parent)->else_tail; - } - break; - case NVS_LOOP: - head = &((nvsLoop *)parent)->insn_head; - tail = &((nvsLoop *)parent)->insn_tail; - break; - case NVS_SUBROUTINE: - head = &((nvsSubroutine *)parent)->insn_head; - tail = &((nvsSubroutine *)parent)->insn_tail; - break; - default: - assert(0); - break; - } - - fragment->parent = parent; - fragment->prev = *tail; - fragment->next = NULL; - if (!(*head)) - *head = fragment; - else - (*tail)->next = fragment; - *tail = fragment; - -} - -static nvsSubroutine * -pass0_create_subroutine(nouveauShader *nvs, const char *label) -{ - nvsSubroutine *sub; - - sub = CALLOC_STRUCT(nvs_subroutine); - if (sub) { - sub->header.type = NVS_SUBROUTINE; - sub->label = strdup(label); - if (!nvs->program_tree) - nvs->program_tree = &sub->header; - else - pass0_append_fragment(nvs->program_tree, - &sub->header, 0); - } - - return sub; -} - -static void -pass0_make_reg(nouveauShader *nvs, nvsRegister *reg, - nvsRegFile file, unsigned int index) -{ - struct pass0_rec *rec = nvs->pass_rec; - - /* defaults */ - *reg = nvr_unused; - /* -1 == quick-and-dirty temp alloc */ - if (file == NVS_FILE_TEMP && index == -1) { - index = rec->next_temp++; - assert(index < NVS_MAX_TEMPS); - } - reg->file = file; - reg->index = index; -} - -static void -pass0_make_swizzle(nvsSwzComp *swz, unsigned int mesa) -{ - int i; - - for (i=0;i<4;i++) - swz[i] = _tx_mesa_swizzle[GET_SWZ(mesa, i)]; -} - -static nvsOpcode -pass0_make_opcode(enum prog_opcode op) -{ - if (op > MAX_OPCODE) - return NVS_OP_UNKNOWN; - return _tx_mesa_opcode[op]; -} - -static nvsCond -pass0_make_condmask(GLuint mesa) -{ - if (mesa > COND_FL) - return NVS_COND_UNKNOWN; - return _tx_mesa_condmask[mesa]; -} - -static unsigned int -pass0_make_mask(GLuint mesa_mask) -{ - unsigned int mask = 0; - - if (mesa_mask & WRITEMASK_X) mask |= SMASK_X; - if (mesa_mask & WRITEMASK_Y) mask |= SMASK_Y; - if (mesa_mask & WRITEMASK_Z) mask |= SMASK_Z; - if (mesa_mask & WRITEMASK_W) mask |= SMASK_W; - - return mask; -} - -static GLboolean -pass0_opcode_is_tex(enum prog_opcode op) -{ - switch (op) { - case OPCODE_TEX: - case OPCODE_TXB: - case OPCODE_TXD: - case OPCODE_TXL: - case OPCODE_TXP: - return GL_TRUE; - default: - break; - } - - return GL_FALSE; -} - -static nvsTexTarget -pass0_make_tex_target(GLuint mesa) -{ - switch (mesa) { - case TEXTURE_1D_INDEX: return NVS_TEX_TARGET_1D; - case TEXTURE_2D_INDEX: return NVS_TEX_TARGET_2D; - case TEXTURE_3D_INDEX: return NVS_TEX_TARGET_3D; - case TEXTURE_CUBE_INDEX: return NVS_TEX_TARGET_CUBE; - case TEXTURE_RECT_INDEX: return NVS_TEX_TARGET_RECT; - default: - return NVS_TEX_TARGET_UNKNOWN; - } -} - -static void -pass0_make_dst_reg(nvsPtr nvs, nvsRegister *reg, - struct prog_dst_register *dst) -{ - struct gl_program *mesa = (struct gl_program*)&nvs->mesa.vp; - nvsFixedReg sfr; - - switch (dst->File) { - case PROGRAM_OUTPUT: - if (mesa->Target == GL_VERTEX_PROGRAM_ARB) { - sfr = (dst->Index < VERT_RESULT_MAX) ? - _tx_mesa_vp_dst_reg[dst->Index] : - NVS_FR_UNKNOWN; - } else { - sfr = (dst->Index < FRAG_RESULT_MAX) ? - _tx_mesa_fp_dst_reg[dst->Index] : - NVS_FR_UNKNOWN; - } - pass0_make_reg(nvs, reg, NVS_FILE_RESULT, sfr); - break; - case PROGRAM_TEMPORARY: - pass0_make_reg(nvs, reg, NVS_FILE_TEMP, dst->Index); - break; - case PROGRAM_ADDRESS: - pass0_make_reg(nvs, reg, NVS_FILE_ADDRESS, dst->Index); - break; - default: - fprintf(stderr, "Unknown dest file %d\n", dst->File); - assert(0); - } -} - -static void -pass0_make_src_reg(nvsPtr nvs, nvsRegister *reg, struct prog_src_register *src) -{ - struct pass0_rec *rec = nvs->pass_rec; - struct gl_program *mesa = (struct gl_program *)&nvs->mesa.vp.Base; - int i; - - *reg = nvr_unused; - - switch (src->File) { - case PROGRAM_INPUT: - reg->file = NVS_FILE_ATTRIB; - if (mesa->Target == GL_VERTEX_PROGRAM_ARB) { - for (i=0; i<NVS_MAX_ATTRIBS; i++) { - if (nvs->vp_attrib_map[i] == src->Index) { - reg->index = i; - break; - } - } - if (i==NVS_MAX_ATTRIBS) - reg->index = NVS_FR_UNKNOWN; - } else { - reg->index = (src->Index < FRAG_ATTRIB_MAX) ? - _tx_mesa_fp_src_reg[src->Index] : - NVS_FR_UNKNOWN; - } - break; - case PROGRAM_STATE_VAR: - case PROGRAM_NAMED_PARAM: - case PROGRAM_CONSTANT: - reg->file = NVS_FILE_CONST; - reg->index = src->Index + rec->mesa_const_base; - reg->indexed = src->RelAddr; - if (reg->indexed) { - reg->addr_reg = 0; - reg->addr_comp = NVS_SWZ_X; - } - break; - case PROGRAM_TEMPORARY: - reg->file = NVS_FILE_TEMP; - reg->index = src->Index; - break; - default: - fprintf(stderr, "Unknown source type %d\n", src->File); - assert(0); - } - - /* per-component negate handled elsewhere */ - reg->negate = src->NegateBase != 0; - reg->abs = src->Abs; - pass0_make_swizzle(reg->swizzle, src->Swizzle); -} - -static nvsInstruction * -pass0_emit(nouveauShader *nvs, nvsFragmentHeader *parent, int fpos, - nvsOpcode op, nvsRegister dst, - unsigned int mask, int saturate, - nvsRegister src0, nvsRegister src1, nvsRegister src2) -{ - nvsInstruction *sif; - - sif = CALLOC_STRUCT(nvs_instruction); - if (!sif) - return NULL; - - /* Seems mesa doesn't explicitly 0 this.. */ - if (nvs->mesa.vp.Base.Target == GL_VERTEX_PROGRAM_ARB) - saturate = 0; - - sif->op = op; - sif->saturate = saturate; - sif->dest = dst; - sif->mask = mask; - sif->dest_scale = NVS_SCALE_1X; - sif->src[0] = src0; - sif->src[1] = src1; - sif->src[2] = src2; - sif->cond = COND_TR; - sif->cond_reg = 0; - sif->cond_test = 0; - sif->cond_update= 0; - pass0_make_swizzle(sif->cond_swizzle, SWIZZLE_NOOP); - pass0_append_fragment(parent, &sif->header, fpos); - - return sif; -} - -static void -pass0_fixup_swizzle(nvsPtr nvs, nvsFragmentHeader *parent, int fpos, - struct prog_src_register *src, - unsigned int sm1, - unsigned int sm2) -{ - static const float sc[4] = { 1.0, 0.0, -1.0, 0.0 }; - struct pass0_rec *rec = nvs->pass_rec; - int fixup_1, fixup_2; - nvsInstruction *nvsinst; - nvsRegister sr, dr = nvr_unused; - nvsRegister sm1const, sm2const; - - if (!rec->swzconst_done) { - struct gl_program *prog = &nvs->mesa.vp.Base; - GLuint swizzle; - rec->swzconst_id = _mesa_add_unnamed_constant(prog->Parameters, - sc, 4, &swizzle); - /* XXX what about swizzle? */ - rec->swzconst_done = 1; - COPY_4V(nvs->params[rec->swzconst_id].val, sc); - } - - fixup_1 = (sm1 != MAKE_SWIZZLE4(0,0,0,0) && - sm2 != MAKE_SWIZZLE4(2,2,2,2)); - fixup_2 = (sm2 != MAKE_SWIZZLE4(2,2,2,2)); - - if (src->File != PROGRAM_TEMPORARY && src->File != PROGRAM_INPUT) { - /* We can't use more than one const in an instruction, - * so move the const into a temp, and swizzle from there. - * - * TODO: should just emit the swizzled const, instead of - * swizzling it in the shader.. would need to reswizzle - * any state params when they change however.. - */ - pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1); - pass0_make_src_reg(nvs, &sr, src); - ARITHu(NVS_OP_MOV, dr, SMASK_ALL, 0, - sr, nvr_unused, nvr_unused); - pass0_make_reg(nvs, &sr, NVS_FILE_TEMP, dr.index); - } else { - if (fixup_1) - src->NegateBase = 0; - pass0_make_src_reg(nvs, &sr, src); - pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1); - } - - pass0_make_reg(nvs, &sm1const, NVS_FILE_CONST, rec->swzconst_id); - pass0_make_swizzle(sm1const.swizzle, sm1); - if (fixup_1 && fixup_2) { - /* Any combination with SWIZZLE_ONE */ - pass0_make_reg(nvs, &sm2const, - NVS_FILE_CONST, rec->swzconst_id); - pass0_make_swizzle(sm2const.swizzle, sm2); - ARITHu(NVS_OP_MAD, dr, SMASK_ALL, 0, sr, sm1const, sm2const); - } else { - /* SWIZZLE_ZERO || arbitrary negate */ - ARITHu(NVS_OP_MUL, dr, SMASK_ALL, 0, sr, sm1const, nvr_unused); - } - - src->File = PROGRAM_TEMPORARY; - src->Index = dr.index; - src->Swizzle = SWIZZLE_NOOP; -} - -#define SET_SWZ(fs, cp, c) fs = (fs & ~(0x7<<(cp*3))) | (c<<(cp*3)) -static void -pass0_check_sources(nvsPtr nvs, nvsFragmentHeader *parent, int fpos, - struct prog_instruction *inst) -{ - unsigned int insrc = -1, constsrc = -1; - int i; - - for (i=0;i<_mesa_num_inst_src_regs(inst->Opcode);i++) { - struct prog_src_register *src = &inst->SrcReg[i]; - unsigned int sm_1 = 0, sm_2 = 0; - nvsRegister sr, dr; - int do_mov = 0, c; - - /* Build up swizzle masks as if we were going to use - * "MAD new, src, const1, const2" to support arbitrary negation - * and SWIZZLE_ZERO/SWIZZLE_ONE. - */ - for (c=0;c<4;c++) { - if (GET_SWZ(src->Swizzle, c) == SWIZZLE_ZERO) { - SET_SWZ(sm_1, c, SWIZZLE_Y); /* 0.0 */ - SET_SWZ(sm_2, c, SWIZZLE_Y); - SET_SWZ(src->Swizzle, c, SWIZZLE_X); - } else if (GET_SWZ(src->Swizzle, c) == SWIZZLE_ONE) { - SET_SWZ(sm_1, c, SWIZZLE_Y); - if (src->NegateBase & (1<<c)) - SET_SWZ(sm_2, c, SWIZZLE_Z); /* -1.0 */ - else - SET_SWZ(sm_2, c, SWIZZLE_X); /* 1.0 */ - SET_SWZ(src->Swizzle, c, SWIZZLE_X); - } else { - if (src->NegateBase & (1<<c)) - SET_SWZ(sm_1, c, SWIZZLE_Z); /* -[xyzw] */ - else - SET_SWZ(sm_1, c, SWIZZLE_X); /*[xyzw]*/ - SET_SWZ(sm_2, c, SWIZZLE_Y); - } - } - - /* Unless we're multiplying by 1.0 or -1.0 on all components, - * and we're adding nothing to any component we have to - * emulate the swizzle. - */ - if ((sm_1 != MAKE_SWIZZLE4(0,0,0,0) && - sm_1 != MAKE_SWIZZLE4(2,2,2,2)) || - sm_2 != MAKE_SWIZZLE4(1,1,1,1)) { - pass0_fixup_swizzle(nvs, parent, fpos, src, sm_1, sm_2); - /* The source is definitely in a temp now, so don't - * bother checking for multiple ATTRIB/CONST regs. - */ - continue; - } - - /* HW can't use more than one ATTRIB or PARAM in a single - * instruction */ - switch (src->File) { - case PROGRAM_INPUT: - if (insrc != -1 && insrc != src->Index) - do_mov = 1; - else insrc = src->Index; - break; - case PROGRAM_STATE_VAR: - if (constsrc != -1 && constsrc != src->Index) - do_mov = 1; - else constsrc = src->Index; - break; - default: - break; - } - - /* Emit any extra ATTRIB/CONST to a temp, and modify the Mesa - * instruction to point at the temp. - */ - if (do_mov) { - pass0_make_src_reg(nvs, &sr, src); - pass0_make_reg(nvs, &dr, NVS_FILE_TEMP, -1); - pass0_emit(nvs, parent, fpos, NVS_OP_MOV, - dr, SMASK_ALL, 0, - sr, nvr_unused, nvr_unused); - - src->File = PROGRAM_TEMPORARY; - src->Index = dr.index; - src->Swizzle= SWIZZLE_NOOP; - } - } -} - -static GLboolean -pass0_emulate_instruction(nouveauShader *nvs, - nvsFragmentHeader *parent, int fpos, - struct prog_instruction *inst) -{ - nvsFunc *shader = nvs->func; - nvsRegister src[3], dest, temp; - nvsInstruction *nvsinst; - unsigned int mask = pass0_make_mask(inst->DstReg.WriteMask); - int i, sat; - - sat = (inst->SaturateMode == SATURATE_ZERO_ONE); - - /* Build all the "real" regs for the instruction */ - for (i=0; i<_mesa_num_inst_src_regs(inst->Opcode); i++) - pass0_make_src_reg(nvs, &src[i], &inst->SrcReg[i]); - if (inst->Opcode != OPCODE_KIL) - pass0_make_dst_reg(nvs, &dest, &inst->DstReg); - - switch (inst->Opcode) { - case OPCODE_ABS: - if (shader->caps & SCAP_SRC_ABS) - ARITH(NVS_OP_MOV, dest, mask, sat, - nvsAbs(src[0]), nvr_unused, nvr_unused); - else - ARITH(NVS_OP_MAX, dest, mask, sat, - src[0], nvsNegate(src[0]), nvr_unused); - break; - case OPCODE_CMP: - /*XXX: this will clobber CC0... */ - ARITH (NVS_OP_MOV, dest, mask, sat, - src[2], nvr_unused, nvr_unused); - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - ARITHu(NVS_OP_MOV, temp, SMASK_ALL, 0, - src[0], nvr_unused, nvr_unused); - nvsinst->cond_update = 1; - nvsinst->cond_reg = 0; - ARITH (NVS_OP_MOV, dest, mask, sat, - src[1], nvr_unused, nvr_unused); - nvsinst->cond = COND_LT; - nvsinst->cond_reg = 0; - nvsinst->cond_test = 1; - break; - case OPCODE_DPH: - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - ARITHu(NVS_OP_DP3, temp, SMASK_X, 0, - src[0], src[1], nvr_unused); - ARITH (NVS_OP_ADD, dest, mask, sat, - nvsSwizzle(temp, X, X, X, X), - nvsSwizzle(src[1], W, W, W, W), - nvr_unused); - break; - case OPCODE_KIL: - /* This is only in ARB shaders, so we don't have to worry - * about clobbering a CC reg as they aren't supported anyway. - *XXX: might have to worry with GLSL however... - */ - /* MOVC0 temp, src */ - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - ARITHu(NVS_OP_MOV, temp, SMASK_ALL, 0, - src[0], nvr_unused, nvr_unused); - nvsinst->cond_update = 1; - nvsinst->cond_reg = 0; - /* KIL_NV (LT0.xyzw) temp */ - ARITHu(NVS_OP_KIL, nvr_unused, 0, 0, - nvr_unused, nvr_unused, nvr_unused); - nvsinst->cond = COND_LT; - nvsinst->cond_reg = 0; - nvsinst->cond_test = 1; - pass0_make_swizzle(nvsinst->cond_swizzle, SWIZZLE_NOOP); - break; - case OPCODE_LRP: - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - ARITHu(NVS_OP_MAD, temp, mask, 0, - nvsNegate(src[0]), src[2], src[2]); - ARITH (NVS_OP_MAD, dest, mask, sat, src[0], src[1], temp); - break; - case OPCODE_POW: - if (shader->SupportsOpcode(shader, NVS_OP_LG2) && - shader->SupportsOpcode(shader, NVS_OP_EX2)) { - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - /* LG2 temp.x, src0.c */ - ARITHu(NVS_OP_LG2, temp, SMASK_X, 0, - nvsSwizzle(src[0], X, X, X, X), - nvr_unused, nvr_unused); - /* MUL temp.x, temp.x, src1.c */ - ARITHu(NVS_OP_MUL, temp, SMASK_X, 0, - nvsSwizzle(temp, X, X, X, X), - nvsSwizzle(src[1], X, X, X, X), - nvr_unused); - /* EX2 dest, temp.x */ - ARITH (NVS_OP_EX2, dest, mask, sat, - nvsSwizzle(temp, X, X, X, X), - nvr_unused, nvr_unused); - } else { - /* can we use EXP/LOG instead of EX2/LG2?? */ - fprintf(stderr, "Implement POW for NV20 vtxprog!\n"); - return GL_FALSE; - } - break; - case OPCODE_RSQ: - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - ARITHu(NVS_OP_LG2, temp, SMASK_X, 0, - nvsAbs(nvsSwizzle(src[0], X, X, X, X)), - nvr_unused, nvr_unused); - nvsinst->dest_scale = NVS_SCALE_INV_2X; - ARITH (NVS_OP_EX2, dest, mask, sat, - nvsNegate(nvsSwizzle(temp, X, X, X, X)), - nvr_unused, nvr_unused); - break; - case OPCODE_SCS: - if (mask & SMASK_X) - ARITH(NVS_OP_COS, dest, SMASK_X, sat, - nvsSwizzle(src[0], X, X, X, X), - nvr_unused, nvr_unused); - if (mask & SMASK_Y) - ARITH(NVS_OP_SIN, dest, SMASK_Y, sat, - nvsSwizzle(src[0], X, X, X, X), - nvr_unused, nvr_unused); - break; - case OPCODE_SUB: - ARITH(NVS_OP_ADD, dest, mask, sat, - src[0], nvsNegate(src[1]), nvr_unused); - break; - case OPCODE_XPD: - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - ARITHu(NVS_OP_MUL, temp, SMASK_ALL, 0, - nvsSwizzle(src[0], Z, X, Y, Y), - nvsSwizzle(src[1], Y, Z, X, X), - nvr_unused); - ARITH (NVS_OP_MAD, dest, (mask & ~SMASK_W), sat, - nvsSwizzle(src[0], Y, Z, X, X), - nvsSwizzle(src[1], Z, X, Y, Y), - nvsNegate(temp)); - break; - default: - WARN_ONCE("hw doesn't support opcode \"%s\"," - "and no emulation found\n", - _mesa_opcode_string(inst->Opcode)); - return GL_FALSE; - } - - return GL_TRUE; -} - -static GLboolean -pass0_translate_arith(nouveauShader *nvs, struct gl_program *prog, - int ipos, int fpos, - nvsFragmentHeader *parent) -{ - struct prog_instruction *inst = &prog->Instructions[ipos]; - nvsFunc *shader = nvs->func; - nvsInstruction *nvsinst; - GLboolean ret; - - /* Deal with multiple ATTRIB/PARAM in a single instruction */ - pass0_check_sources(nvs, parent, fpos, inst); - - /* Now it's safe to do the prog_instruction->nvsInstruction - * conversion - */ - if (shader->SupportsOpcode(shader, - pass0_make_opcode(inst->Opcode))) { - nvsRegister src[3], dest; - int i; - - for (i=0; i<_mesa_num_inst_src_regs(inst->Opcode); i++) - pass0_make_src_reg(nvs, &src[i], &inst->SrcReg[i]); - pass0_make_dst_reg(nvs, &dest, &inst->DstReg); - - ARITH(pass0_make_opcode(inst->Opcode), dest, - pass0_make_mask(inst->DstReg.WriteMask), - (inst->SaturateMode != SATURATE_OFF), - src[0], src[1], src[2]); - nvsinst->tex_unit = inst->TexSrcUnit; - if (pass0_opcode_is_tex(inst->Opcode)) - nvsinst->tex_target = - pass0_make_tex_target(inst->TexSrcTarget); - else - nvsinst->tex_target = NVS_TEX_TARGET_UNKNOWN; - - ret = GL_TRUE; - } else - ret = pass0_emulate_instruction(nvs, parent, fpos, inst); - - return ret; -} - -static GLboolean -pass0_translate_instructions(nouveauShader *nvs, int ipos, int fpos, - nvsFragmentHeader *parent) -{ - struct gl_program *prog = (struct gl_program *)&nvs->mesa.vp; - - while (1) { - struct prog_instruction *inst = &prog->Instructions[ipos]; - - switch (inst->Opcode) { - case OPCODE_END: - return GL_TRUE; - case OPCODE_BRA: - case OPCODE_CAL: - case OPCODE_RET: - //case OPCODE_LOOP: - //case OPCODE_ENDLOOP: - //case OPCODE_IF: - //case OPCODE_ELSE: - //case OPCODE_ENDIF: - WARN_ONCE("branch ops unimplemented\n"); - return GL_FALSE; - break; - default: - if (!pass0_translate_arith(nvs, prog, - ipos, fpos, parent)) - return GL_FALSE; - break; - } - - ipos++; - } - - return GL_TRUE; -} - -static void -pass0_build_attrib_map(nouveauShader *nvs, struct gl_vertex_program *vp) -{ - GLuint inputs_read = vp->Base.InputsRead; - GLuint input_alloc = ~0xFFFF; - int i; - - for (i=0; i<NVS_MAX_ATTRIBS; i++) - nvs->vp_attrib_map[i] = -1; - - while (inputs_read) { - int in = ffs(inputs_read) - 1; - int hw; - inputs_read &= ~(1<<in); - - if (vp->IsNVProgram) { - /* NVvp: must alias */ - if (in >= VERT_ATTRIB_GENERIC0) - hw = in - VERT_ATTRIB_GENERIC0; - else - hw = in; - } else { - /* ARBvp: may alias (but we won't) - * GL2.0: must not alias - */ - if (in >= VERT_ATTRIB_GENERIC0) - hw = ffs(~input_alloc) - 1; - else - hw = in; - input_alloc |= (1<<hw); - } - - nvs->vp_attrib_map[hw] = in; - } - - if (NOUVEAU_DEBUG & DEBUG_SHADERS) { - printf("vtxprog attrib map:\n"); - for (i=0; i<NVS_MAX_ATTRIBS; i++) { - printf(" hw:%d = attrib:%d\n", - i, nvs->vp_attrib_map[i]); - } - } -} - -static void -pass0_vp_insert_ff_clip_planes(GLcontext *ctx, nouveauShader *nvs) -{ - struct gl_program *prog = &nvs->mesa.vp.Base; - nvsFragmentHeader *parent = nvs->program_tree; - nvsInstruction *nvsinst; - GLuint fpos = 0; - nvsRegister opos, epos, eqn, mv[4]; - gl_state_index tokens[STATE_LENGTH] - = { STATE_MODELVIEW_MATRIX, 0, 0, 0, 0 }; - GLint id; - int i; - - /* modelview transform */ - pass0_make_reg(nvs, &opos, NVS_FILE_ATTRIB, NVS_FR_POSITION); - pass0_make_reg(nvs, &epos, NVS_FILE_TEMP , -1); - for (i=0; i<4; i++) { - tokens[2] = tokens[3] = i; - id = _mesa_add_state_reference(prog->Parameters, tokens); - pass0_make_reg(nvs, &mv[i], NVS_FILE_CONST, id); - } - ARITHu(NVS_OP_DP4, epos, SMASK_X, 0, opos, mv[0], nvr_unused); - ARITHu(NVS_OP_DP4, epos, SMASK_Y, 0, opos, mv[1], nvr_unused); - ARITHu(NVS_OP_DP4, epos, SMASK_Z, 0, opos, mv[2], nvr_unused); - ARITHu(NVS_OP_DP4, epos, SMASK_W, 0, opos, mv[3], nvr_unused); - - /* Emit code to emulate fixed-function glClipPlane */ - for (i=0; i<6; i++) { - GLuint clipmask = SMASK_X; - nvsRegister clip; - - if (!(ctx->Transform.ClipPlanesEnabled & (1<<i))) - continue; - - /* Point a const at a user clipping plane */ - tokens[0] = STATE_CLIPPLANE; - tokens[1] = i; - id = _mesa_add_state_reference(prog->Parameters, tokens); - pass0_make_reg(nvs, &eqn , NVS_FILE_CONST , id); - pass0_make_reg(nvs, &clip, NVS_FILE_RESULT, NVS_FR_CLIP0 + i); - - /*XXX: something else needs to take care of modifying the - * instructions to write to the correct hw clip register. - */ - switch (i) { - case 0: case 3: clipmask = SMASK_Y; break; - case 1: case 4: clipmask = SMASK_Z; break; - case 2: case 5: clipmask = SMASK_W; break; - } - - /* Emit transform */ - ARITHu(NVS_OP_DP4, clip, clipmask, 0, epos, eqn, nvr_unused); - } -} - -static void -pass0_rebase_mesa_consts(nouveauShader *nvs) -{ - struct pass0_rec *rec = nvs->pass_rec; - struct gl_program *prog = &nvs->mesa.vp.Base; - struct prog_instruction *inst = prog->Instructions; - int i; - - /*XXX: not a good idea, params->hw_index is malloc'd */ - memset(nvs->params, 0x00, sizeof(nvs->params)); - - /* When doing relative addressing on constants, the hardware needs us - * to fill the "const id" field with a positive value. Determine the - * most negative index that is used so that all accesses to a - * mesa-provided constant can be rebased to a positive index. - */ - while (inst->Opcode != OPCODE_END) { - for (i=0; i<_mesa_num_inst_src_regs(inst->Opcode); i++) { - struct prog_src_register *src = &inst->SrcReg[i]; - - switch (src->File) { - case PROGRAM_STATE_VAR: - case PROGRAM_CONSTANT: - case PROGRAM_NAMED_PARAM: - if (src->RelAddr && src->Index < 0) { - int base = src->Index * -1; - if (rec->mesa_const_base < base) - rec->mesa_const_base = base; - } - break; - default: - break; - } - } - - inst++; - } -} - -static GLboolean -pass0_resolve_mesa_consts(nouveauShader *nvs) -{ - struct pass0_rec *rec = nvs->pass_rec; - struct gl_program *prog = &nvs->mesa.vp.Base; - struct gl_program_parameter_list *plist = prog->Parameters; - int i; - - /* Init all const tracking/alloc info from the parameter list, rather - * than doing it as we translate the program. Otherwise: - * 1) we can't get at the correct constant info when relative - * addressing is being used due to src->Index not pointing - * at the exact const; - * 2) as we add extra consts to the program, mesa will call realloc() - * and we get invalid pointers to the const data. - */ - rec->mesa_const_last = plist->NumParameters + rec->mesa_const_base; - nvs->param_high = rec->mesa_const_last; - for (i=0; i<plist->NumParameters; i++) { - int hw = rec->mesa_const_base + i; - - if (hw > NVS_MAX_CONSTS) { - nvsProgramError(nvs, "hw = %d > NVS_MAX_CONSTS!\n", hw); - return GL_FALSE; - } - - switch (plist->Parameters[i].Type) { - case PROGRAM_NAMED_PARAM: - case PROGRAM_STATE_VAR: - nvs->params[hw].in_use = GL_TRUE; - nvs->params[hw].source_val = plist->ParameterValues[i]; - COPY_4V(nvs->params[hw].val, plist->ParameterValues[i]); - break; - case PROGRAM_CONSTANT: - nvs->params[hw].in_use = GL_TRUE; - nvs->params[hw].source_val = NULL; - COPY_4V(nvs->params[hw].val, plist->ParameterValues[i]); - break; - default: - nvsProgramError(nvs, "hit bad type=%d on param %d\n", - plist->Parameters[i].Type, i); - return GL_FALSE; - } - } - - return GL_TRUE; -} - -GLboolean -nouveau_shader_pass0(GLcontext *ctx, nouveauShader *nvs) -{ - nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); - struct gl_program *prog = (struct gl_program*)nvs; - struct gl_vertex_program *vp = (struct gl_vertex_program *)prog; - struct gl_fragment_program *fp = (struct gl_fragment_program *)prog; - struct pass0_rec *rec; - int ret = GL_FALSE; - - NVSDBG("start: nvs=%p\n", nvs); - - /* Previously detected an error, and haven't recieved new program - * string, so fail immediately. - */ - if (nvs->error) { - NVSDBG("failed previous compile attempt, not retrying\n"); - return GL_FALSE; - } - - rec = CALLOC_STRUCT(pass0_rec); - if (!rec) - return GL_FALSE; - - rec->next_temp = prog->NumTemporaries; - nvs->pass_rec = rec; - - nvs->program_tree = (nvsFragmentHeader*) - pass0_create_subroutine(nvs, "program body"); - if (!nvs->program_tree) { - FREE(rec); - return GL_FALSE; - } - - switch (prog->Target) { - case GL_VERTEX_PROGRAM_ARB: - nvs->func = &nmesa->VPfunc; - - if (vp->IsPositionInvariant) - _mesa_insert_mvp_code(ctx, vp); - pass0_rebase_mesa_consts(nvs); - - if (!prog->String && ctx->Transform.ClipPlanesEnabled) - pass0_vp_insert_ff_clip_planes(ctx, nvs); - - pass0_build_attrib_map(nvs, vp); - break; - case GL_FRAGMENT_PROGRAM_ARB: - nvs->func = &nmesa->FPfunc; - - if (fp->FogOption != GL_NONE) - _mesa_append_fog_code(ctx, fp); - pass0_rebase_mesa_consts(nvs); - break; - default: - fprintf(stderr, "Unknown program type %d", prog->Target); - FREE(rec); - /* DESTROY TREE!! */ - return GL_FALSE; - } - nvs->func->card_priv = &nvs->card_priv; - - ret = pass0_translate_instructions(nvs, 0, 0, nvs->program_tree); - if (ret) - ret = pass0_resolve_mesa_consts(nvs); - - /*XXX: if (!ret) DESTROY TREE!!! */ - - FREE(rec); - return ret; -} - |