/************************************************************************** * * Copyright 2010 VMware, Inc. * 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, sub license, 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 NON-INFRINGEMENT. * IN NO EVENT SHALL VMWARE 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. * **************************************************************************/ /** * @file * TGSI to LLVM IR translation -- AoS. * * FIXME: * - No control flow support: the existing control flow code should be factored * out into from the SoA code into a common module and shared. * - No derivatives. Derivate logic should be pluggable, just like the samplers. * * @author Jose Fonseca */ #include "pipe/p_config.h" #include "pipe/p_shader_tokens.h" #include "util/u_debug.h" #include "util/u_math.h" #include "util/u_memory.h" #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_info.h" #include "tgsi/tgsi_parse.h" #include "tgsi/tgsi_util.h" #include "tgsi/tgsi_scan.h" #include "lp_bld_type.h" #include "lp_bld_const.h" #include "lp_bld_arit.h" #include "lp_bld_gather.h" #include "lp_bld_logic.h" #include "lp_bld_swizzle.h" #include "lp_bld_flow.h" #include "lp_bld_quad.h" #include "lp_bld_tgsi.h" #include "lp_bld_limits.h" #include "lp_bld_debug.h" #define LP_MAX_INSTRUCTIONS 256 struct lp_build_tgsi_aos_context { struct lp_build_context base; /* Builder for integer masks and indices */ struct lp_build_context int_bld; LLVMValueRef consts_ptr; const LLVMValueRef *inputs; LLVMValueRef *outputs; const struct lp_build_sampler_aos *sampler; LLVMValueRef immediates[LP_MAX_TGSI_IMMEDIATES]; LLVMValueRef temps[LP_MAX_TGSI_TEMPS]; LLVMValueRef addr[LP_MAX_TGSI_ADDRS]; LLVMValueRef preds[LP_MAX_TGSI_PREDS]; /* We allocate/use this array of temps if (1 << TGSI_FILE_TEMPORARY) is * set in the indirect_files field. * The temps[] array above is unused then. */ LLVMValueRef temps_array; /** bitmask indicating which register files are accessed indirectly */ unsigned indirect_files; struct tgsi_full_instruction *instructions; uint max_instructions; }; /** * Register fetch. */ static LLVMValueRef emit_fetch( struct lp_build_tgsi_aos_context *bld, const struct tgsi_full_instruction *inst, unsigned src_op) { struct lp_type type = bld->base.type; const struct tgsi_full_src_register *reg = &inst->Src[src_op]; unsigned char swizzles[4]; LLVMValueRef res; unsigned chan; assert(!reg->Register.Indirect); /* * Fetch the from the register file. */ switch (reg->Register.File) { case TGSI_FILE_CONSTANT: /* * Get the constants components */ res = bld->base.undef; for (chan = 0; chan < 4; ++chan) { LLVMValueRef index; LLVMValueRef scalar_ptr; LLVMValueRef scalar; index = LLVMConstInt(LLVMInt32Type(), reg->Register.Index*4 + chan, 0); scalar_ptr = LLVMBuildGEP(bld->base.builder, bld->consts_ptr, &index, 1, ""); scalar = LLVMBuildLoad(bld->base.builder, scalar_ptr, ""); lp_build_name(scalar, "const[%u].%c", reg->Register.Index, "xyzw"[chan]); index = LLVMConstInt(LLVMInt32Type(), chan, 0); res = LLVMBuildInsertElement(bld->base.builder, res, scalar, index, ""); } /* * Broadcast the first quaternion to all others. * * XXX: could be factored into a reusable function. */ if (type.length > 4) { LLVMValueRef shuffles[LP_MAX_VECTOR_LENGTH]; unsigned i; for (chan = 0; chan < 4; ++chan) { shuffles[chan] = LLVMConstInt(LLVMInt32Type(), chan, 0); } for (i = 4; i < type.length; ++i) { shuffles[i] = shuffles[i % 4]; } res = LLVMBuildShuffleVector(bld->base.builder, res, bld->base.undef, LLVMConstVector(shuffles, type.length), ""); } break; case TGSI_FILE_IMMEDIATE: res = bld->immediates[reg->Register.Index]; assert(res); break; case TGSI_FILE_INPUT: res = bld->inputs[reg->Register.Index]; assert(res); break; case TGSI_FILE_TEMPORARY: { LLVMValueRef temp_ptr; temp_ptr = bld->temps[reg->Register.Index]; res = LLVMBuildLoad(bld->base.builder, temp_ptr, ""); if (!res) return bld->base.undef; } break; default: assert(0 && "invalid src register in emit_fetch()"); return bld->base.undef; } /* * Apply sign modifier. */ if (reg->Register.Absolute) { res = lp_build_abs(&bld->base, res); } if(reg->Register.Negate) { res = lp_build_negate(&bld->base, res); } /* * Swizzle the argument */ for (chan = 0; chan < 4; ++chan) { const unsigned swizzle = tgsi_util_get_full_src_register_swizzle(reg, chan); if (swizzle > 3) { assert(0 && "invalid swizzle in emit_fetch()"); return bld->base.undef; } swizzles[chan] = swizzle; } res = lp_build_swizzle_aos(&bld->base, res, swizzles); return res; } /** * Register store. */ static void emit_store( struct lp_build_tgsi_aos_context *bld, const struct tgsi_full_instruction *inst, unsigned index, LLVMValueRef value) { const struct tgsi_full_dst_register *reg = &inst->Dst[index]; LLVMValueRef mask = NULL; LLVMValueRef ptr; /* * Saturate the value */ switch (inst->Instruction.Saturate) { case TGSI_SAT_NONE: break; case TGSI_SAT_ZERO_ONE: value = lp_build_max(&bld->base, value, bld->base.zero); value = lp_build_min(&bld->base, value, bld->base.one); break; case TGSI_SAT_MINUS_PLUS_ONE: value = lp_build_max(&bld->base, value, lp_build_const_vec(bld->base.type, -1.0)); value = lp_build_min(&bld->base, value, bld->base.one); break; default: assert(0); } /* * Translate the register file */ assert(!reg->Register.Indirect); switch (reg->Register.File) { case TGSI_FILE_OUTPUT: ptr = bld->outputs[reg->Register.Index]; break; case TGSI_FILE_TEMPORARY: ptr = bld->temps[reg->Register.Index]; break; case TGSI_FILE_ADDRESS: ptr = bld->addr[reg->Indirect.Index]; break; case TGSI_FILE_PREDICATE: ptr = bld->preds[reg->Register.Index]; break; default: assert(0); return; } /* * Predicate */ if (inst->Instruction.Predicate) { unsigned char swizzles[4]; LLVMValueRef pred; assert(inst->Predicate.Index < LP_MAX_TGSI_PREDS); pred = LLVMBuildLoad(bld->base.builder, bld->preds[inst->Predicate.Index], ""); /* * Convert the value to an integer mask. */ pred = lp_build_compare(bld->base.builder, bld->base.type, PIPE_FUNC_NOTEQUAL, pred, bld->base.zero); if (inst->Predicate.Negate) { pred = LLVMBuildNot(bld->base.builder, pred, ""); } swizzles[0] = inst->Predicate.SwizzleX; swizzles[1] = inst->Predicate.SwizzleY; swizzles[2] = inst->Predicate.SwizzleZ; swizzles[3] = inst->Predicate.SwizzleW; pred = lp_build_swizzle_aos(&bld->base, pred, swizzles); if (mask) { mask = LLVMBuildAnd(bld->base.builder, mask, pred, ""); } else { mask = pred; } } /* * Writemask */ if (reg->Register.WriteMask != TGSI_WRITEMASK_XYZW) { LLVMValueRef writemask; writemask = lp_build_const_mask_aos(bld->base.type, reg->Register.WriteMask); if (mask) { mask = LLVMBuildAnd(bld->base.builder, mask, writemask, ""); } else { mask = writemask; } } if (mask) { LLVMValueRef orig_value; orig_value = LLVMBuildLoad(bld->base.builder, ptr, ""); value = lp_build_select(&bld->base, mask, value, orig_value); } LLVMBuildStore(bld->base.builder, value, ptr); } /** * High-level instruction translators. */ static LLVMValueRef emit_tex(struct lp_build_tgsi_aos_context *bld, const struct tgsi_full_instruction *inst, enum lp_build_tex_modifier modifier) { unsigned target; unsigned unit; LLVMValueRef coords; LLVMValueRef ddx; LLVMValueRef ddy; if (!bld->sampler) { _debug_printf("warning: found texture instruction but no sampler generator supplied\n"); return bld->base.undef; } target = inst->Texture.Texture; coords = emit_fetch( bld, inst, 0 ); if (modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV) { ddx = emit_fetch( bld, inst, 1 ); ddy = emit_fetch( bld, inst, 2 ); unit = inst->Src[3].Register.Index; } else { #if 0 ddx = lp_build_ddx( &bld->base, coords ); ddy = lp_build_ddy( &bld->base, coords ); #else /* TODO */ ddx = bld->base.one; ddy = bld->base.one; #endif unit = inst->Src[1].Register.Index; } return bld->sampler->emit_fetch_texel(bld->sampler, bld->base.builder, bld->base.type, target, unit, coords, ddx, ddy, modifier); } static void emit_declaration( struct lp_build_tgsi_aos_context *bld, const struct tgsi_full_declaration *decl) { LLVMTypeRef vec_type = lp_build_vec_type(bld->base.type); unsigned first = decl->Range.First; unsigned last = decl->Range.Last; unsigned idx; for (idx = first; idx <= last; ++idx) { switch (decl->Declaration.File) { case TGSI_FILE_TEMPORARY: assert(idx < LP_MAX_TGSI_TEMPS); if (bld->indirect_files & (1 << TGSI_FILE_TEMPORARY)) { LLVMValueRef array_size = LLVMConstInt(LLVMInt32Type(), last + 1, 0); bld->temps_array = lp_build_array_alloca(bld->base.builder, vec_type, array_size, ""); } else { bld->temps[idx] = lp_build_alloca(bld->base.builder, vec_type, ""); } break; case TGSI_FILE_OUTPUT: bld->outputs[idx] = lp_build_alloca(bld->base.builder, vec_type, ""); break; case TGSI_FILE_ADDRESS: assert(idx < LP_MAX_TGSI_ADDRS); bld->addr[idx] = lp_build_alloca(bld->base.builder, vec_type, ""); break; case TGSI_FILE_PREDICATE: assert(idx < LP_MAX_TGSI_PREDS); bld->preds[idx] = lp_build_alloca(bld->base.builder, vec_type, ""); break; default: /* don't need to declare other vars */ break; } } } /** * Emit LLVM for one TGSI instruction. * \param return TRUE for success, FALSE otherwise */ static boolean emit_instruction( struct lp_build_tgsi_aos_context *bld, const struct tgsi_full_instruction *inst, const struct tgsi_opcode_info *info, int *pc) { LLVMValueRef src0, src1, src2; LLVMValueRef tmp0, tmp1; LLVMValueRef dst0; /* * Stores and write masks are handled in a general fashion after the long * instruction opcode switch statement. * * Although not stricitly necessary, we avoid generating instructions for * channels which won't be stored, in cases where's that easy. For some * complex instructions, like texture sampling, it is more convenient to * assume a full writemask and then let LLVM optimization passes eliminate * redundant code. */ (*pc)++; assert(info->num_dst <= 1); if (info->num_dst) { dst0 = bld->base.undef; } switch (inst->Instruction.Opcode) { case TGSI_OPCODE_ARL: src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_floor(&bld->base, src0); break; case TGSI_OPCODE_MOV: dst0 = emit_fetch(bld, inst, 0); break; case TGSI_OPCODE_LIT: return FALSE; case TGSI_OPCODE_RCP: /* TGSI_OPCODE_RECIP */ src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_rcp(&bld->base, src0); break; case TGSI_OPCODE_RSQ: /* TGSI_OPCODE_RECIPSQRT */ src0 = emit_fetch(bld, inst, 0); tmp0 = lp_build_abs(&bld->base, src0); dst0 = lp_build_rsqrt(&bld->base, tmp0); break; case TGSI_OPCODE_EXP: return FALSE; case TGSI_OPCODE_LOG: return FALSE; case TGSI_OPCODE_MUL: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); dst0 = lp_build_mul(&bld->base, src0, src1); break; case TGSI_OPCODE_ADD: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); dst0 = lp_build_add(&bld->base, src0, src1); break; case TGSI_OPCODE_DP3: /* TGSI_OPCODE_DOT3 */ return FALSE; case TGSI_OPCODE_DP4: /* TGSI_OPCODE_DOT4 */ return FALSE; case TGSI_OPCODE_DST: return FALSE; case TGSI_OPCODE_MIN: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); dst0 = lp_build_max(&bld->base, src0, src1); break; case TGSI_OPCODE_MAX: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); dst0 = lp_build_max(&bld->base, src0, src1); break; case TGSI_OPCODE_SLT: /* TGSI_OPCODE_SETLT */ src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_LESS, src0, src1); dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero); break; case TGSI_OPCODE_SGE: /* TGSI_OPCODE_SETGE */ src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_GEQUAL, src0, src1); dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero); break; case TGSI_OPCODE_MAD: /* TGSI_OPCODE_MADD */ src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); src2 = emit_fetch(bld, inst, 2); tmp0 = lp_build_mul(&bld->base, src0, src1); dst0 = lp_build_add(&bld->base, tmp0, src2); break; case TGSI_OPCODE_SUB: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); dst0 = lp_build_sub(&bld->base, src0, src1); break; case TGSI_OPCODE_LRP: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); src2 = emit_fetch(bld, inst, 2); tmp0 = lp_build_sub(&bld->base, src1, src2); tmp0 = lp_build_mul(&bld->base, src0, tmp0); dst0 = lp_build_add(&bld->base, tmp0, src2); break; case TGSI_OPCODE_CND: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); src2 = emit_fetch(bld, inst, 2); tmp1 = lp_build_const_vec(bld->base.type, 0.5); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_GREATER, src2, tmp1); dst0 = lp_build_select(&bld->base, tmp0, src0, src1); break; case TGSI_OPCODE_DP2A: return FALSE; case TGSI_OPCODE_FRC: src0 = emit_fetch(bld, inst, 0); tmp0 = lp_build_floor(&bld->base, src0); dst0 = lp_build_sub(&bld->base, src0, tmp0); break; case TGSI_OPCODE_CLAMP: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); src2 = emit_fetch(bld, inst, 2); tmp0 = lp_build_max(&bld->base, src0, src1); dst0 = lp_build_min(&bld->base, tmp0, src2); break; case TGSI_OPCODE_FLR: src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_floor(&bld->base, src0); break; case TGSI_OPCODE_ROUND: src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_round(&bld->base, src0); break; case TGSI_OPCODE_EX2: src0 = emit_fetch(bld, inst, 0); tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X); dst0 = lp_build_exp2(&bld->base, tmp0); break; case TGSI_OPCODE_LG2: src0 = emit_fetch(bld, inst, 0); tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X); dst0 = lp_build_log2(&bld->base, tmp0); break; case TGSI_OPCODE_POW: src0 = emit_fetch(bld, inst, 0); src0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X); src1 = emit_fetch(bld, inst, 1); src1 = lp_build_swizzle_scalar_aos(&bld->base, src1, TGSI_SWIZZLE_X); dst0 = lp_build_pow(&bld->base, src0, src1); break; case TGSI_OPCODE_XPD: return FALSE; case TGSI_OPCODE_ABS: src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_abs(&bld->base, src0); break; case TGSI_OPCODE_RCC: /* deprecated? */ assert(0); return FALSE; case TGSI_OPCODE_DPH: return FALSE; case TGSI_OPCODE_COS: src0 = emit_fetch(bld, inst, 0); tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X); dst0 = lp_build_cos(&bld->base, tmp0); break; case TGSI_OPCODE_DDX: return FALSE; case TGSI_OPCODE_DDY: return FALSE; case TGSI_OPCODE_KILP: /* predicated kill */ return FALSE; case TGSI_OPCODE_KIL: /* conditional kill */ return FALSE; case TGSI_OPCODE_PK2H: return FALSE; break; case TGSI_OPCODE_PK2US: return FALSE; break; case TGSI_OPCODE_PK4B: return FALSE; break; case TGSI_OPCODE_PK4UB: return FALSE; case TGSI_OPCODE_RFL: return FALSE; case TGSI_OPCODE_SEQ: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_EQUAL, src0, src1); dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero); break; case TGSI_OPCODE_SFL: dst0 = bld->base.zero; break; case TGSI_OPCODE_SGT: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_GREATER, src0, src1); dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero); break; case TGSI_OPCODE_SIN: src0 = emit_fetch(bld, inst, 0); tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X); dst0 = lp_build_sin(&bld->base, tmp0); break; case TGSI_OPCODE_SLE: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_LEQUAL, src0, src1); dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero); break; case TGSI_OPCODE_SNE: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_NOTEQUAL, src0, src1); dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero); break; case TGSI_OPCODE_STR: dst0 = bld->base.one; break; case TGSI_OPCODE_TEX: dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_NONE); break; case TGSI_OPCODE_TXD: dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV); break; case TGSI_OPCODE_UP2H: /* deprecated */ assert (0); return FALSE; break; case TGSI_OPCODE_UP2US: /* deprecated */ assert(0); return FALSE; break; case TGSI_OPCODE_UP4B: /* deprecated */ assert(0); return FALSE; break; case TGSI_OPCODE_UP4UB: /* deprecated */ assert(0); return FALSE; break; case TGSI_OPCODE_X2D: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_ARA: /* deprecated */ assert(0); return FALSE; break; case TGSI_OPCODE_ARR: src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_round(&bld->base, src0); break; case TGSI_OPCODE_BRA: /* deprecated */ assert(0); return FALSE; break; case TGSI_OPCODE_CAL: return FALSE; case TGSI_OPCODE_RET: return FALSE; case TGSI_OPCODE_END: *pc = -1; break; case TGSI_OPCODE_SSG: /* TGSI_OPCODE_SGN */ tmp0 = emit_fetch(bld, inst, 0); dst0 = lp_build_sgn(&bld->base, tmp0); break; case TGSI_OPCODE_CMP: src0 = emit_fetch(bld, inst, 0); src1 = emit_fetch(bld, inst, 1); src2 = emit_fetch(bld, inst, 2); tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_LESS, src0, bld->base.zero); dst0 = lp_build_select(&bld->base, tmp0, src1, src2); break; case TGSI_OPCODE_SCS: return FALSE; case TGSI_OPCODE_TXB: dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_LOD_BIAS); break; case TGSI_OPCODE_NRM: /* fall-through */ case TGSI_OPCODE_NRM4: return FALSE; case TGSI_OPCODE_DIV: /* deprecated */ assert(0); return FALSE; break; case TGSI_OPCODE_DP2: return FALSE; case TGSI_OPCODE_TXL: dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_EXPLICIT_LOD); break; case TGSI_OPCODE_TXP: dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_PROJECTED); break; case TGSI_OPCODE_BRK: return FALSE; case TGSI_OPCODE_IF: return FALSE; case TGSI_OPCODE_BGNLOOP: return FALSE; case TGSI_OPCODE_BGNSUB: return FALSE; case TGSI_OPCODE_ELSE: return FALSE; case TGSI_OPCODE_ENDIF: return FALSE; case TGSI_OPCODE_ENDLOOP: return FALSE; case TGSI_OPCODE_ENDSUB: return FALSE; case TGSI_OPCODE_PUSHA: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_POPA: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_CEIL: src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_ceil(&bld->base, src0); break; case TGSI_OPCODE_I2F: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_NOT: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_TRUNC: src0 = emit_fetch(bld, inst, 0); dst0 = lp_build_trunc(&bld->base, src0); break; case TGSI_OPCODE_SHL: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_ISHR: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_AND: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_OR: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_MOD: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_XOR: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_SAD: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_TXF: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_TXQ: /* deprecated? */ assert(0); return FALSE; break; case TGSI_OPCODE_CONT: return FALSE; case TGSI_OPCODE_EMIT: return FALSE; break; case TGSI_OPCODE_ENDPRIM: return FALSE; break; case TGSI_OPCODE_NOP: break; default: return FALSE; } if (info->num_dst) { emit_store(bld, inst, 0, dst0); } return TRUE; } void lp_build_tgsi_aos(LLVMBuilderRef builder, const struct tgsi_token *tokens, struct lp_type type, LLVMValueRef consts_ptr, const LLVMValueRef *inputs, LLVMValueRef *outputs, struct lp_build_sampler_aos *sampler, const struct tgsi_shader_info *info) { struct lp_build_tgsi_aos_context bld; struct tgsi_parse_context parse; uint num_immediates = 0; uint num_instructions = 0; unsigned chan; int pc = 0; /* Setup build context */ memset(&bld, 0, sizeof bld); lp_build_context_init(&bld.base, builder, type); lp_build_context_init(&bld.int_bld, builder, lp_int_type(type)); bld.inputs = inputs; bld.outputs = outputs; bld.consts_ptr = consts_ptr; bld.sampler = sampler; bld.indirect_files = info->indirect_files; bld.instructions = (struct tgsi_full_instruction *) MALLOC(LP_MAX_INSTRUCTIONS * sizeof(struct tgsi_full_instruction)); bld.max_instructions = LP_MAX_INSTRUCTIONS; if (!bld.instructions) { return; } tgsi_parse_init(&parse, tokens); while (!tgsi_parse_end_of_tokens(&parse)) { tgsi_parse_token(&parse); switch(parse.FullToken.Token.Type) { case TGSI_TOKEN_TYPE_DECLARATION: /* Inputs already interpolated */ emit_declaration(&bld, &parse.FullToken.FullDeclaration); break; case TGSI_TOKEN_TYPE_INSTRUCTION: { /* save expanded instruction */ if (num_instructions == bld.max_instructions) { struct tgsi_full_instruction *instructions; instructions = REALLOC(bld.instructions, bld.max_instructions * sizeof(struct tgsi_full_instruction), (bld.max_instructions + LP_MAX_INSTRUCTIONS) * sizeof(struct tgsi_full_instruction)); if (!instructions) { break; } bld.instructions = instructions; bld.max_instructions += LP_MAX_INSTRUCTIONS; } memcpy(bld.instructions + num_instructions, &parse.FullToken.FullInstruction, sizeof(bld.instructions[0])); num_instructions++; } break; case TGSI_TOKEN_TYPE_IMMEDIATE: /* simply copy the immediate values into the next immediates[] slot */ { const uint size = parse.FullToken.FullImmediate.Immediate.NrTokens - 1; float rgba[4]; assert(size <= 4); assert(num_immediates < LP_MAX_TGSI_IMMEDIATES); for (chan = 0; chan < size; ++chan) { rgba[chan] = parse.FullToken.FullImmediate.u[chan].Float; } for (chan = size; chan < 4; ++chan) { rgba[chan] = 0.0f; } bld.immediates[num_immediates] = lp_build_const_aos(type, rgba[0], rgba[1], rgba[2], rgba[3], NULL); num_immediates++; } break; case TGSI_TOKEN_TYPE_PROPERTY: break; default: assert(0); } } while (pc != -1) { struct tgsi_full_instruction *instr = bld.instructions + pc; const struct tgsi_opcode_info *opcode_info = tgsi_get_opcode_info(instr->Instruction.Opcode); if (!emit_instruction(&bld, instr, opcode_info, &pc)) _debug_printf("warning: failed to translate tgsi opcode %s to LLVM\n", opcode_info->mnemonic); } if (0) { LLVMBasicBlockRef block = LLVMGetInsertBlock(builder); LLVMValueRef function = LLVMGetBasicBlockParent(block); debug_printf("11111111111111111111111111111 \n"); tgsi_dump(tokens, 0); lp_debug_dump_value(function); debug_printf("2222222222222222222222222222 \n"); } tgsi_parse_free(&parse); if (0) { LLVMModuleRef module = LLVMGetGlobalParent( LLVMGetBasicBlockParent(LLVMGetInsertBlock(bld.base.builder))); LLVMDumpModule(module); } FREE(bld.instructions); }