diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_shader_0_arb.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_shader_0_arb.c | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_shader_0_arb.c b/src/mesa/drivers/dri/nouveau/nouveau_shader_0_arb.c deleted file mode 100644 index afb889d421..0000000000 --- a/src/mesa/drivers/dri/nouveau/nouveau_shader_0_arb.c +++ /dev/null @@ -1,710 +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 "program.h" -#include "programopt.h" -#include "program_instruction.h" - -#include "nouveau_context.h" -#include "nouveau_shader.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_vp_src_reg[VERT_ATTRIB_MAX] = { - NVS_FR_POSITION, NVS_FR_WEIGHT, NVS_FR_NORMAL, NVS_FR_COL0, NVS_FR_COL1, - NVS_FR_FOGCOORD, NVS_FR_UNKNOWN /* COLOR_INDEX */, NVS_FR_UNKNOWN, - NVS_FR_TEXCOORD0, NVS_FR_TEXCOORD1, NVS_FR_TEXCOORD2, NVS_FR_TEXCOORD3, - NVS_FR_TEXCOORD4, NVS_FR_TEXCOORD5, NVS_FR_TEXCOORD6, NVS_FR_TEXCOORD7, -/* Generic attribs 0-15, aliased to the above */ - NVS_FR_POSITION, NVS_FR_WEIGHT, NVS_FR_NORMAL, NVS_FR_COL0, NVS_FR_COL1, - NVS_FR_FOGCOORD, NVS_FR_UNKNOWN /* COLOR_INDEX */, NVS_FR_UNKNOWN, - 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 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_UNKNOWN, 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 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 - -static void -pass0_append_fragment(nouveauShader *nvs, nvsFragmentHeader *fragment) -{ - nvsFragmentList *list = calloc(1, sizeof(nvsFragmentList)); - if (!list) - return; - - list->fragment = fragment; - list->prev = nvs->list_tail; - if ( nvs->list_tail) - nvs->list_tail->next = list; - if (!nvs->list_head) - nvs->list_head = list; - nvs->list_tail = list; - - nvs->inst_count++; -} - -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 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 gl_program *mesa = (struct gl_program *)&nvs->mesa.vp.Base; - struct gl_program_parameter_list *p = mesa->Parameters; - - *reg = nvr_unused; - - switch (src->File) { - case PROGRAM_INPUT: - reg->file = NVS_FILE_ATTRIB; - if (mesa->Target == GL_VERTEX_PROGRAM_ARB) { - reg->index = (src->Index < VERT_ATTRIB_MAX) ? - _tx_mesa_vp_src_reg[src->Index] : NVS_FR_UNKNOWN; - } else { - reg->index = (src->Index < FRAG_ATTRIB_MAX) ? - _tx_mesa_fp_src_reg[src->Index] : NVS_FR_UNKNOWN; - } - break; - /* All const types seem to get shoved into here, not really sure why */ - case PROGRAM_STATE_VAR: - switch (p->Parameters[src->Index].Type) { - case PROGRAM_NAMED_PARAM: - case PROGRAM_CONSTANT: - nvs->params[src->Index].source_val = NULL; - COPY_4V(nvs->params[src->Index].val, p->ParameterValues[src->Index]); - break; - case PROGRAM_STATE_VAR: - nvs->params[src->Index].source_val = p->ParameterValues[src->Index]; - break; - default: - fprintf(stderr, "Unknown parameter type %d\n", - p->Parameters[src->Index].Type); - assert(0); - break; - } - - if (src->RelAddr) { - reg->indexed = 1; - reg->addr_reg = 0; - reg->addr_comp = NVS_SWZ_X; - } else - reg->indexed = 0; - reg->file = NVS_FILE_CONST; - reg->index = src->Index; - 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, nvsOpcode op, nvsRegister dst, - unsigned int mask, int saturate, - nvsRegister src0, nvsRegister src1, nvsRegister src2) -{ - struct pass0_rec *rec = nvs->pass_rec; - nvsInstruction *sif = NULL; - - /* Seems mesa doesn't explicitly 0 this.. */ - if (nvs->mesa.vp.Base.Target == GL_VERTEX_PROGRAM_ARB) - saturate = 0; - - sif = calloc(1, sizeof(nvsInstruction)); - if (sif) { - sif->header.type = NVS_INSTRUCTION; - sif->header.position = rec->nvs_ipos++; - sif->op = op; - sif->saturate = saturate; - sif->dest = dst; - sif->mask = mask; - 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(nvs, (nvsFragmentHeader *)sif); - } - - return sif; -} - -static void -pass0_fixup_swizzle(nvsPtr nvs, - 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; - nvsRegister sr, dr = nvr_unused; - nvsRegister sm1const, sm2const; - - if (!rec->swzconst_done) { - struct gl_program *prog = &nvs->mesa.vp.Base; - rec->swzconst_id = _mesa_add_unnamed_constant(prog->Parameters, sc, 4); - 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); - pass0_emit(nvs, 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); - pass0_emit(nvs, NVS_OP_MAD, dr, SMASK_ALL, 0, sr, sm1const, sm2const); - } else { - /* SWIZZLE_ZERO || arbitrary negate */ - pass0_emit(nvs, 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, 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, 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, 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, struct prog_instruction *inst) -{ - nvsFunc *shader = nvs->func; - nvsRegister src[3], dest, temp; - nvsInstruction *nvsinst; - struct pass0_rec *rec = nvs->pass_rec; - 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) - pass0_emit(nvs, NVS_OP_MOV, dest, mask, sat, - nvsAbs(src[0]), nvr_unused, nvr_unused); - else - pass0_emit(nvs, NVS_OP_MAX, dest, mask, sat, - src[0], nvsNegate(src[0]), 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. - */ - /* MOVC0 temp, src */ - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - nvsinst = pass0_emit(nvs, 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 */ - nvsinst = pass0_emit(nvs, 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, MAKE_SWIZZLE4(0,1,2,3)); - break; - case OPCODE_LIT: - break; - case OPCODE_LRP: - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - pass0_emit(nvs, NVS_OP_MAD, temp, mask, 0, - nvsNegate(src[0]), src[2], src[2]); - pass0_emit(nvs, 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 */ - pass0_emit(nvs, 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 */ - pass0_emit(nvs, 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 */ - pass0_emit(nvs, 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: - if (rec->const_half.file != NVS_FILE_CONST) { - GLfloat const_half[4] = { 0.5, 0.0, 0.0, 0.0 }; - pass0_make_reg(nvs, &rec->const_half, NVS_FILE_CONST, - _mesa_add_unnamed_constant(nvs->mesa.vp.Base.Parameters, - const_half, 4)); - COPY_4V(nvs->params[rec->const_half.index].val, const_half); - } - pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); - pass0_emit(nvs, NVS_OP_LG2, temp, SMASK_X, 0, - nvsAbs(nvsSwizzle(src[0], X, X, X, X)), - nvr_unused, - nvr_unused); - pass0_emit(nvs, NVS_OP_MUL, temp, SMASK_X, 0, - nvsSwizzle(temp, X, X, X, X), - nvsNegate(rec->const_half), - nvr_unused); - pass0_emit(nvs, NVS_OP_EX2, dest, mask, sat, - nvsSwizzle(temp, X, X, X, X), - nvr_unused, - nvr_unused); - break; - case OPCODE_SCS: - if (mask & SMASK_X) - pass0_emit(nvs, NVS_OP_COS, dest, SMASK_X, sat, - nvsSwizzle(src[0], X, X, X, X), - nvr_unused, - nvr_unused); - if (mask & SMASK_Y) - pass0_emit(nvs, NVS_OP_SIN, dest, SMASK_Y, sat, - nvsSwizzle(src[0], X, X, X, X), - nvr_unused, - nvr_unused); - break; - case OPCODE_SUB: - pass0_emit(nvs, 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); - pass0_emit(nvs, NVS_OP_MUL, temp, SMASK_ALL, 0, - nvsSwizzle(src[0], Z, X, Y, Y), - nvsSwizzle(src[1], Y, Z, X, X), - nvr_unused); - pass0_emit(nvs, 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: - fprintf(stderr, "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_instructions(nouveauShader *nvs) -{ - struct gl_program *prog = (struct gl_program *)&nvs->mesa.vp; - nvsFunc *shader = nvs->func; - int ipos; - - for (ipos=0; ipos<prog->NumInstructions; ipos++) { - struct prog_instruction *inst = &prog->Instructions[ipos]; - - if (inst->Opcode == OPCODE_END) - break; - - /* Deal with multiple ATTRIB/PARAM in a single instruction */ - pass0_check_sources(nvs, inst); - - /* Now it's safe to do the prog_instruction->nvsInstruction conversion */ - if (shader->SupportsOpcode(shader, pass0_make_opcode(inst->Opcode))) { - nvsInstruction *nvsinst; - 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); - - nvsinst = pass0_emit(nvs, - 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; - nvsinst->tex_target = pass0_make_tex_target(inst->TexSrcTarget); - /* TODO when NV_fp/vp is implemented */ - nvsinst->cond = COND_TR; - } else { - if (!pass0_emulate_instruction(nvs, inst)) - return GL_FALSE; - } - } - - return GL_TRUE; -} - -GLboolean -nouveau_shader_pass0_arb(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; - - switch (prog->Target) { - case GL_VERTEX_PROGRAM_ARB: - nvs->func = &nmesa->VPfunc; - if (vp->IsPositionInvariant) - _mesa_insert_mvp_code(ctx, vp); -#if 0 - if (IS_FIXEDFUNCTION_PROG && CLIP_PLANES_USED) - pass0_insert_ff_clip_planes(); -#endif - break; - case GL_FRAGMENT_PROGRAM_ARB: - nvs->func = &nmesa->FPfunc; - if (fp->FogOption != GL_NONE) - _mesa_append_fog_code(ctx, fp); - break; - default: - fprintf(stderr, "Unknown program type %d", prog->Target); - return GL_FALSE; - } - - rec = calloc(1, sizeof(struct pass0_rec)); - rec->next_temp = prog->NumTemporaries; - nvs->pass_rec = rec; - - ret = pass0_translate_instructions(nvs); - if (!ret) { - /* DESTROY list */ - } - - free(nvs->pass_rec); - return ret; -} - |