/************************************************************************** * * 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_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_debug.h" #include "lp_bld_sample.h" /** * Wrapper around lp_build_swizzle_aos which translates swizzles to another * ordering. */ static LLVMValueRef swizzle_aos(struct lp_build_tgsi_context *bld_base, LLVMValueRef a, unsigned swizzle_x, unsigned swizzle_y, unsigned swizzle_z, unsigned swizzle_w) { unsigned char swizzles[4]; struct lp_build_tgsi_aos_context *bld = lp_aos_context(bld_base); assert(swizzle_x < 4); assert(swizzle_y < 4); assert(swizzle_z < 4); assert(swizzle_w < 4); swizzles[bld->inv_swizzles[0]] = bld->swizzles[swizzle_x]; swizzles[bld->inv_swizzles[1]] = bld->swizzles[swizzle_y]; swizzles[bld->inv_swizzles[2]] = bld->swizzles[swizzle_z]; swizzles[bld->inv_swizzles[3]] = bld->swizzles[swizzle_w]; return lp_build_swizzle_aos(&bld->bld_base.base, a, swizzles); } static LLVMValueRef swizzle_scalar_aos(struct lp_build_tgsi_aos_context *bld, LLVMValueRef a, unsigned chan) { chan = bld->swizzles[chan]; return lp_build_swizzle_scalar_aos(&bld->bld_base.base, a, chan, 4); } static LLVMValueRef emit_fetch_constant( struct lp_build_tgsi_context * bld_base, const struct tgsi_full_src_register * reg, enum tgsi_opcode_type stype, unsigned swizzle) { struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); LLVMBuilderRef builder = bld_base->base.gallivm->builder; struct lp_type type = bld_base->base.type; LLVMValueRef res; unsigned chan; assert(!reg->Register.Indirect); /* * Get the constants components */ res = bld->bld_base.base.undef; for (chan = 0; chan < 4; ++chan) { LLVMValueRef index; LLVMValueRef scalar_ptr; LLVMValueRef scalar; LLVMValueRef swizzle; index = lp_build_const_int32(bld->bld_base.base.gallivm, reg->Register.Index * 4 + chan); scalar_ptr = LLVMBuildGEP(builder, bld->consts_ptr, &index, 1, ""); scalar = LLVMBuildLoad(builder, scalar_ptr, ""); lp_build_name(scalar, "const[%u].%c", reg->Register.Index, "xyzw"[chan]); /* * NOTE: constants array is always assumed to be RGBA */ swizzle = lp_build_const_int32(bld->bld_base.base.gallivm, bld->swizzles[chan]); res = LLVMBuildInsertElement(builder, res, scalar, swizzle, ""); } /* * 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] = lp_build_const_int32(bld->bld_base.base.gallivm, chan); } for (i = 4; i < type.length; ++i) { shuffles[i] = shuffles[i % 4]; } res = LLVMBuildShuffleVector(builder, res, bld->bld_base.base.undef, LLVMConstVector(shuffles, type.length), ""); } return res; } static LLVMValueRef emit_fetch_immediate( struct lp_build_tgsi_context * bld_base, const struct tgsi_full_src_register * reg, enum tgsi_opcode_type stype, unsigned swizzle) { struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); LLVMValueRef res = bld->immediates[reg->Register.Index]; assert(res); return res; } static LLVMValueRef emit_fetch_input( struct lp_build_tgsi_context * bld_base, const struct tgsi_full_src_register * reg, enum tgsi_opcode_type stype, unsigned swizzle) { struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); LLVMValueRef res = bld->inputs[reg->Register.Index]; assert(!reg->Register.Indirect); assert(res); return res; } static LLVMValueRef emit_fetch_temporary( struct lp_build_tgsi_context * bld_base, const struct tgsi_full_src_register * reg, enum tgsi_opcode_type stype, unsigned swizzle) { struct lp_build_tgsi_aos_context * bld = lp_aos_context(bld_base); LLVMBuilderRef builder = bld_base->base.gallivm->builder; LLVMValueRef temp_ptr = bld->temps[reg->Register.Index]; LLVMValueRef res = LLVMBuildLoad(builder, temp_ptr, ""); assert(!reg->Register.Indirect); if (!res) return bld->bld_base.base.undef; return res; } /** * Register store. */ void lp_emit_store_aos( struct lp_build_tgsi_aos_context *bld, const struct tgsi_full_instruction *inst, unsigned index, LLVMValueRef value) { LLVMBuilderRef builder = bld->bld_base.base.gallivm->builder; const struct tgsi_full_dst_register *reg = &inst->Dst[index]; LLVMValueRef mask = NULL; LLVMValueRef ptr; /* * Saturate the value */ if (inst->Instruction.Saturate) { value = lp_build_max(&bld->bld_base.base, value, bld->bld_base.base.zero); value = lp_build_min(&bld->bld_base.base, value, bld->bld_base.base.one); } /* * 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; default: assert(0); return; } if (!ptr) return; /* * Writemask */ if (reg->Register.WriteMask != TGSI_WRITEMASK_XYZW) { LLVMValueRef writemask; writemask = lp_build_const_mask_aos_swizzled(bld->bld_base.base.gallivm, bld->bld_base.base.type, reg->Register.WriteMask, TGSI_NUM_CHANNELS, bld->swizzles); if (mask) { mask = LLVMBuildAnd(builder, mask, writemask, ""); } else { mask = writemask; } } if (mask) { LLVMValueRef orig_value; orig_value = LLVMBuildLoad(builder, ptr, ""); value = lp_build_select(&bld->bld_base.base, mask, value, orig_value); } LLVMBuildStore(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; struct lp_derivatives derivs = { {NULL}, {NULL} }; if (!bld->sampler) { _debug_printf("warning: found texture instruction but no sampler generator supplied\n"); return bld->bld_base.base.undef; } target = inst->Texture.Texture; coords = lp_build_emit_fetch( &bld->bld_base, inst, 0 , LP_CHAN_ALL); if (modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV) { /* probably not going to work */ derivs.ddx[0] = lp_build_emit_fetch( &bld->bld_base, inst, 1 , LP_CHAN_ALL); derivs.ddy[0] = lp_build_emit_fetch( &bld->bld_base, inst, 2 , LP_CHAN_ALL); unit = inst->Src[3].Register.Index; } else { unit = inst->Src[1].Register.Index; } return bld->sampler->emit_fetch_texel(bld->sampler, &bld->bld_base.base, target, unit, coords, derivs, modifier); } static LLVMValueRef emit_sample(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; struct lp_derivatives derivs = { {NULL}, {NULL} }; if (!bld->sampler) { _debug_printf("warning: found texture instruction but no sampler generator supplied\n"); return bld->bld_base.base.undef; } coords = lp_build_emit_fetch( &bld->bld_base, inst, 0 , LP_CHAN_ALL); /* ignore modifiers, can't handle different sampler / sampler view, etc... */ unit = inst->Src[1].Register.Index; assert(inst->Src[2].Register.Index == unit); target = bld->sv[unit].Resource; return bld->sampler->emit_fetch_texel(bld->sampler, &bld->bld_base.base, target, unit, coords, derivs, modifier); } void lp_emit_declaration_aos( struct lp_build_tgsi_aos_context *bld, const struct tgsi_full_declaration *decl) { struct gallivm_state *gallivm = bld->bld_base.base.gallivm; LLVMTypeRef vec_type = lp_build_vec_type(bld->bld_base.base.gallivm, bld->bld_base.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_INLINED_TEMPS); if (bld->indirect_files & (1 << TGSI_FILE_TEMPORARY)) { LLVMValueRef array_size = lp_build_const_int32(gallivm, last + 1); bld->temps_array = lp_build_array_alloca(bld->bld_base.base.gallivm, vec_type, array_size, ""); } else { bld->temps[idx] = lp_build_alloca(gallivm, vec_type, ""); } break; case TGSI_FILE_OUTPUT: bld->outputs[idx] = lp_build_alloca(gallivm, vec_type, ""); break; case TGSI_FILE_ADDRESS: assert(idx < LP_MAX_TGSI_ADDRS); bld->addr[idx] = lp_build_alloca(gallivm, vec_type, ""); break; case TGSI_FILE_SAMPLER_VIEW: /* * The target stored here MUST match whatever there actually * is in the set sampler views (what about return type?). */ assert(last < PIPE_MAX_SHADER_SAMPLER_VIEWS); for (idx = first; idx <= last; ++idx) { bld->sv[idx] = decl->SamplerView; } break; default: /* don't need to declare other vars */ break; } } } /** * Emit LLVM for one TGSI instruction. * \param return TRUE for success, FALSE otherwise */ boolean lp_emit_instruction_aos( 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; LLVMValueRef dst0 = NULL; /* * 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->bld_base.base.undef; } switch (inst->Instruction.Opcode) { case TGSI_OPCODE_ARL: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_floor(&bld->bld_base.base, src0); break; case TGSI_OPCODE_MOV: dst0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); break; case TGSI_OPCODE_LIT: return FALSE; case TGSI_OPCODE_RCP: /* TGSI_OPCODE_RECIP */ src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_rcp(&bld->bld_base.base, src0); break; case TGSI_OPCODE_RSQ: /* TGSI_OPCODE_RECIPSQRT */ src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); tmp0 = lp_build_abs(&bld->bld_base.base, src0); dst0 = lp_build_rsqrt(&bld->bld_base.base, tmp0); break; case TGSI_OPCODE_EXP: return FALSE; case TGSI_OPCODE_LOG: return FALSE; case TGSI_OPCODE_MUL: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); dst0 = lp_build_mul(&bld->bld_base.base, src0, src1); break; case TGSI_OPCODE_ADD: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); dst0 = lp_build_add(&bld->bld_base.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 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); dst0 = lp_build_min(&bld->bld_base.base, src0, src1); break; case TGSI_OPCODE_MAX: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); dst0 = lp_build_max(&bld->bld_base.base, src0, src1); break; case TGSI_OPCODE_SLT: /* TGSI_OPCODE_SETLT */ src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_LESS, src0, src1); dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); break; case TGSI_OPCODE_SGE: /* TGSI_OPCODE_SETGE */ src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_GEQUAL, src0, src1); dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); break; case TGSI_OPCODE_MAD: /* TGSI_OPCODE_MADD */ src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL); tmp0 = lp_build_mul(&bld->bld_base.base, src0, src1); dst0 = lp_build_add(&bld->bld_base.base, tmp0, src2); break; case TGSI_OPCODE_LRP: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL); tmp0 = lp_build_sub(&bld->bld_base.base, src1, src2); tmp0 = lp_build_mul(&bld->bld_base.base, src0, tmp0); dst0 = lp_build_add(&bld->bld_base.base, tmp0, src2); break; case TGSI_OPCODE_DP2A: return FALSE; case TGSI_OPCODE_FRC: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); tmp0 = lp_build_floor(&bld->bld_base.base, src0); dst0 = lp_build_sub(&bld->bld_base.base, src0, tmp0); break; case TGSI_OPCODE_FLR: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_floor(&bld->bld_base.base, src0); break; case TGSI_OPCODE_ROUND: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_round(&bld->bld_base.base, src0); break; case TGSI_OPCODE_EX2: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); tmp0 = lp_build_swizzle_scalar_aos(&bld->bld_base.base, src0, TGSI_SWIZZLE_X, TGSI_NUM_CHANNELS); dst0 = lp_build_exp2(&bld->bld_base.base, tmp0); break; case TGSI_OPCODE_LG2: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); tmp0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); dst0 = lp_build_log2(&bld->bld_base.base, tmp0); break; case TGSI_OPCODE_POW: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); src1 = swizzle_scalar_aos(bld, src1, TGSI_SWIZZLE_X); dst0 = lp_build_pow(&bld->bld_base.base, src0, src1); break; case TGSI_OPCODE_XPD: return FALSE; case TGSI_OPCODE_DPH: return FALSE; case TGSI_OPCODE_COS: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); tmp0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); dst0 = lp_build_cos(&bld->bld_base.base, tmp0); break; case TGSI_OPCODE_DDX: return FALSE; case TGSI_OPCODE_DDY: return FALSE; case TGSI_OPCODE_KILL: return FALSE; case TGSI_OPCODE_KILL_IF: 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_SEQ: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_EQUAL, src0, src1); dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); break; case TGSI_OPCODE_SGT: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_GREATER, src0, src1); dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); break; case TGSI_OPCODE_SIN: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); tmp0 = swizzle_scalar_aos(bld, src0, TGSI_SWIZZLE_X); dst0 = lp_build_sin(&bld->bld_base.base, tmp0); break; case TGSI_OPCODE_SLE: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_LEQUAL, src0, src1); dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); break; case TGSI_OPCODE_SNE: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_NOTEQUAL, src0, src1); dst0 = lp_build_select(&bld->bld_base.base, tmp0, bld->bld_base.base.one, bld->bld_base.base.zero); 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_ARR: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_round(&bld->bld_base.base, src0); break; case TGSI_OPCODE_CAL: return FALSE; case TGSI_OPCODE_RET: /* safe to ignore at end */ break; case TGSI_OPCODE_END: *pc = -1; break; case TGSI_OPCODE_SSG: /* TGSI_OPCODE_SGN */ tmp0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_sgn(&bld->bld_base.base, tmp0); break; case TGSI_OPCODE_CMP: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL); src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL); tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_LESS, src0, bld->bld_base.base.zero); dst0 = lp_build_select(&bld->bld_base.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_DIV: 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: case TGSI_OPCODE_UIF: 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 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_ceil(&bld->bld_base.base, src0); break; case TGSI_OPCODE_I2F: assert(0); return FALSE; break; case TGSI_OPCODE_NOT: assert(0); return FALSE; break; case TGSI_OPCODE_TRUNC: src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL); dst0 = lp_build_trunc(&bld->bld_base.base, src0); break; case TGSI_OPCODE_SHL: assert(0); return FALSE; break; case TGSI_OPCODE_ISHR: assert(0); return FALSE; break; case TGSI_OPCODE_AND: assert(0); return FALSE; break; case TGSI_OPCODE_OR: assert(0); return FALSE; break; case TGSI_OPCODE_MOD: assert(0); return FALSE; break; case TGSI_OPCODE_XOR: assert(0); return FALSE; break; case TGSI_OPCODE_SAD: assert(0); return FALSE; break; case TGSI_OPCODE_TXF: assert(0); return FALSE; break; case TGSI_OPCODE_TXQ: 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; case TGSI_OPCODE_SAMPLE: dst0 = emit_sample(bld, inst, LP_BLD_TEX_MODIFIER_NONE); break; default: return FALSE; } if (info->num_dst) { lp_emit_store_aos(bld, inst, 0, dst0); } return TRUE; } void lp_build_tgsi_aos(struct gallivm_state *gallivm, const struct tgsi_token *tokens, struct lp_type type, const unsigned char swizzles[4], 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; unsigned chan; int pc = 0; /* Setup build context */ memset(&bld, 0, sizeof bld); lp_build_context_init(&bld.bld_base.base, gallivm, type); lp_build_context_init(&bld.bld_base.uint_bld, gallivm, lp_uint_type(type)); lp_build_context_init(&bld.bld_base.int_bld, gallivm, lp_int_type(type)); lp_build_context_init(&bld.int_bld, gallivm, lp_int_type(type)); for (chan = 0; chan < 4; ++chan) { bld.swizzles[chan] = swizzles[chan]; bld.inv_swizzles[swizzles[chan]] = chan; } bld.inputs = inputs; bld.outputs = outputs; bld.consts_ptr = consts_ptr; bld.sampler = sampler; bld.indirect_files = info->indirect_files; bld.bld_base.emit_swizzle = swizzle_aos; bld.bld_base.info = info; bld.bld_base.emit_fetch_funcs[TGSI_FILE_CONSTANT] = emit_fetch_constant; bld.bld_base.emit_fetch_funcs[TGSI_FILE_IMMEDIATE] = emit_fetch_immediate; bld.bld_base.emit_fetch_funcs[TGSI_FILE_INPUT] = emit_fetch_input; bld.bld_base.emit_fetch_funcs[TGSI_FILE_TEMPORARY] = emit_fetch_temporary; /* Set opcode actions */ lp_set_default_actions_cpu(&bld.bld_base); if (!lp_bld_tgsi_list_init(&bld.bld_base)) { 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 */ lp_emit_declaration_aos(&bld, &parse.FullToken.FullDeclaration); break; case TGSI_TOKEN_TYPE_INSTRUCTION: /* save expanded instruction */ lp_bld_tgsi_add_instruction(&bld.bld_base, &parse.FullToken.FullInstruction); 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 imm[4]; assert(size <= 4); assert(num_immediates < LP_MAX_INLINED_IMMEDIATES); for (chan = 0; chan < 4; ++chan) { imm[chan] = 0.0f; } for (chan = 0; chan < size; ++chan) { unsigned swizzle = bld.swizzles[chan]; imm[swizzle] = parse.FullToken.FullImmediate.u[chan].Float; } bld.immediates[num_immediates] = lp_build_const_aos(gallivm, type, imm[0], imm[1], imm[2], imm[3], NULL); num_immediates++; } break; case TGSI_TOKEN_TYPE_PROPERTY: break; default: assert(0); } } while (pc != -1) { struct tgsi_full_instruction *instr = bld.bld_base.instructions + pc; const struct tgsi_opcode_info *opcode_info = tgsi_get_opcode_info(instr->Instruction.Opcode); if (!lp_emit_instruction_aos(&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(gallivm->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); FREE(bld.bld_base.instructions); if (0) { LLVMModuleRef module = LLVMGetGlobalParent( LLVMGetBasicBlockParent(LLVMGetInsertBlock(gallivm->builder))); LLVMDumpModule(module); } }