/************************************************************************** * * Copyright 2019 Red Hat. * 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 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 AUTHORS OR COPYRIGHT HOLDERS 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. * **************************************************************************/ #include "lp_bld_nir.h" #include "lp_bld_arit.h" #include "lp_bld_bitarit.h" #include "lp_bld_const.h" #include "lp_bld_gather.h" #include "lp_bld_logic.h" #include "lp_bld_quad.h" #include "lp_bld_flow.h" #include "lp_bld_struct.h" #include "lp_bld_debug.h" #include "lp_bld_printf.h" #include "nir_deref.h" static void visit_cf_list(struct lp_build_nir_context *bld_base, struct exec_list *list); static LLVMValueRef cast_type(struct lp_build_nir_context *bld_base, LLVMValueRef val, nir_alu_type alu_type, unsigned bit_size) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; switch (alu_type) { case nir_type_float: switch (bit_size) { case 32: return LLVMBuildBitCast(builder, val, bld_base->base.vec_type, ""); case 64: return LLVMBuildBitCast(builder, val, bld_base->dbl_bld.vec_type, ""); default: assert(0); break; } break; case nir_type_int: switch (bit_size) { case 8: return LLVMBuildBitCast(builder, val, bld_base->int8_bld.vec_type, ""); case 16: return LLVMBuildBitCast(builder, val, bld_base->int16_bld.vec_type, ""); case 32: return LLVMBuildBitCast(builder, val, bld_base->int_bld.vec_type, ""); case 64: return LLVMBuildBitCast(builder, val, bld_base->int64_bld.vec_type, ""); default: assert(0); break; } break; case nir_type_uint: switch (bit_size) { case 8: return LLVMBuildBitCast(builder, val, bld_base->uint8_bld.vec_type, ""); case 16: return LLVMBuildBitCast(builder, val, bld_base->uint16_bld.vec_type, ""); case 32: return LLVMBuildBitCast(builder, val, bld_base->uint_bld.vec_type, ""); case 64: return LLVMBuildBitCast(builder, val, bld_base->uint64_bld.vec_type, ""); default: assert(0); break; } break; case nir_type_uint32: return LLVMBuildBitCast(builder, val, bld_base->uint_bld.vec_type, ""); default: return val; } return NULL; } static struct lp_build_context *get_flt_bld(struct lp_build_nir_context *bld_base, unsigned op_bit_size) { if (op_bit_size == 64) return &bld_base->dbl_bld; else return &bld_base->base; } static unsigned glsl_sampler_to_pipe(int sampler_dim, bool is_array) { unsigned pipe_target = PIPE_BUFFER; switch (sampler_dim) { case GLSL_SAMPLER_DIM_1D: pipe_target = is_array ? PIPE_TEXTURE_1D_ARRAY : PIPE_TEXTURE_1D; break; case GLSL_SAMPLER_DIM_2D: pipe_target = is_array ? PIPE_TEXTURE_2D_ARRAY : PIPE_TEXTURE_2D; break; case GLSL_SAMPLER_DIM_3D: pipe_target = PIPE_TEXTURE_3D; break; case GLSL_SAMPLER_DIM_MS: pipe_target = is_array ? PIPE_TEXTURE_2D_ARRAY : PIPE_TEXTURE_2D; break; case GLSL_SAMPLER_DIM_CUBE: pipe_target = is_array ? PIPE_TEXTURE_CUBE_ARRAY : PIPE_TEXTURE_CUBE; break; case GLSL_SAMPLER_DIM_RECT: pipe_target = PIPE_TEXTURE_RECT; break; case GLSL_SAMPLER_DIM_BUF: pipe_target = PIPE_BUFFER; break; default: break; } return pipe_target; } static LLVMValueRef get_ssa_src(struct lp_build_nir_context *bld_base, nir_ssa_def *ssa) { return bld_base->ssa_defs[ssa->index]; } static LLVMValueRef get_src(struct lp_build_nir_context *bld_base, nir_src src); static LLVMValueRef get_reg_src(struct lp_build_nir_context *bld_base, nir_reg_src src) { struct hash_entry *entry = _mesa_hash_table_search(bld_base->regs, src.reg); LLVMValueRef reg_storage = (LLVMValueRef)entry->data; struct lp_build_context *reg_bld = get_int_bld(bld_base, true, src.reg->bit_size); LLVMValueRef indir_src = NULL; if (src.indirect) indir_src = get_src(bld_base, *src.indirect); return bld_base->load_reg(bld_base, reg_bld, &src, indir_src, reg_storage); } static LLVMValueRef get_src(struct lp_build_nir_context *bld_base, nir_src src) { if (src.is_ssa) return get_ssa_src(bld_base, src.ssa); else return get_reg_src(bld_base, src.reg); } static void assign_ssa(struct lp_build_nir_context *bld_base, int idx, LLVMValueRef ptr) { bld_base->ssa_defs[idx] = ptr; } static void assign_ssa_dest(struct lp_build_nir_context *bld_base, const nir_ssa_def *ssa, LLVMValueRef vals[NIR_MAX_VEC_COMPONENTS]) { assign_ssa(bld_base, ssa->index, ssa->num_components == 1 ? vals[0] : lp_nir_array_build_gather_values(bld_base->base.gallivm->builder, vals, ssa->num_components)); } static void assign_reg(struct lp_build_nir_context *bld_base, const nir_reg_dest *reg, unsigned write_mask, LLVMValueRef vals[NIR_MAX_VEC_COMPONENTS]) { struct hash_entry *entry = _mesa_hash_table_search(bld_base->regs, reg->reg); LLVMValueRef reg_storage = (LLVMValueRef)entry->data; struct lp_build_context *reg_bld = get_int_bld(bld_base, true, reg->reg->bit_size); LLVMValueRef indir_src = NULL; if (reg->indirect) indir_src = get_src(bld_base, *reg->indirect); bld_base->store_reg(bld_base, reg_bld, reg, write_mask ? write_mask : 0xf, indir_src, reg_storage, vals); } static void assign_dest(struct lp_build_nir_context *bld_base, const nir_dest *dest, LLVMValueRef vals[NIR_MAX_VEC_COMPONENTS]) { if (dest->is_ssa) assign_ssa_dest(bld_base, &dest->ssa, vals); else assign_reg(bld_base, &dest->reg, 0, vals); } static void assign_alu_dest(struct lp_build_nir_context *bld_base, const nir_alu_dest *dest, LLVMValueRef vals[NIR_MAX_VEC_COMPONENTS]) { if (dest->dest.is_ssa) assign_ssa_dest(bld_base, &dest->dest.ssa, vals); else assign_reg(bld_base, &dest->dest.reg, dest->write_mask, vals); } static LLVMValueRef int_to_bool32(struct lp_build_nir_context *bld_base, uint32_t src_bit_size, bool is_unsigned, LLVMValueRef val) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; struct lp_build_context *int_bld = get_int_bld(bld_base, is_unsigned, src_bit_size); LLVMValueRef result = lp_build_compare(bld_base->base.gallivm, int_bld->type, PIPE_FUNC_NOTEQUAL, val, int_bld->zero); if (src_bit_size == 64) result = LLVMBuildTrunc(builder, result, bld_base->int_bld.vec_type, ""); return result; } static LLVMValueRef flt_to_bool32(struct lp_build_nir_context *bld_base, uint32_t src_bit_size, LLVMValueRef val) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; struct lp_build_context *flt_bld = get_flt_bld(bld_base, src_bit_size); LLVMValueRef result = lp_build_cmp(flt_bld, PIPE_FUNC_NOTEQUAL, val, flt_bld->zero); if (src_bit_size == 64) result = LLVMBuildTrunc(builder, result, bld_base->int_bld.vec_type, ""); return result; } static LLVMValueRef fcmp32(struct lp_build_nir_context *bld_base, enum pipe_compare_func compare, uint32_t src_bit_size, LLVMValueRef src[NIR_MAX_VEC_COMPONENTS]) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; struct lp_build_context *flt_bld = get_flt_bld(bld_base, src_bit_size); LLVMValueRef result; if (compare != PIPE_FUNC_NOTEQUAL) result = lp_build_cmp_ordered(flt_bld, compare, src[0], src[1]); else result = lp_build_cmp(flt_bld, compare, src[0], src[1]); if (src_bit_size == 64) result = LLVMBuildTrunc(builder, result, bld_base->int_bld.vec_type, ""); return result; } static LLVMValueRef icmp32(struct lp_build_nir_context *bld_base, enum pipe_compare_func compare, bool is_unsigned, uint32_t src_bit_size, LLVMValueRef src[NIR_MAX_VEC_COMPONENTS]) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; struct lp_build_context *i_bld = get_int_bld(bld_base, is_unsigned, src_bit_size); LLVMValueRef result = lp_build_cmp(i_bld, compare, src[0], src[1]); if (src_bit_size < 32) result = LLVMBuildSExt(builder, result, bld_base->int_bld.vec_type, ""); else if (src_bit_size == 64) result = LLVMBuildTrunc(builder, result, bld_base->int_bld.vec_type, ""); return result; } static LLVMValueRef get_alu_src(struct lp_build_nir_context *bld_base, nir_alu_src src, unsigned num_components) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMValueRef value = get_src(bld_base, src.src); bool need_swizzle = false; assert(value); unsigned src_components = nir_src_num_components(src.src); for (unsigned i = 0; i < num_components; ++i) { assert(src.swizzle[i] < src_components); if (src.swizzle[i] != i) need_swizzle = true; } if (need_swizzle || num_components != src_components) { if (src_components > 1 && num_components == 1) { value = LLVMBuildExtractValue(gallivm->builder, value, src.swizzle[0], ""); } else if (src_components == 1 && num_components > 1) { LLVMValueRef values[] = {value, value, value, value, value, value, value, value, value, value, value, value, value, value, value, value}; value = lp_nir_array_build_gather_values(builder, values, num_components); } else { LLVMValueRef arr = LLVMGetUndef(LLVMArrayType(LLVMTypeOf(LLVMBuildExtractValue(builder, value, 0, "")), num_components)); for (unsigned i = 0; i < num_components; i++) arr = LLVMBuildInsertValue(builder, arr, LLVMBuildExtractValue(builder, value, src.swizzle[i], ""), i, ""); value = arr; } } assert(!src.negate); assert(!src.abs); return value; } static LLVMValueRef emit_b2f(struct lp_build_nir_context *bld_base, LLVMValueRef src0, unsigned bitsize) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; LLVMValueRef result = LLVMBuildAnd(builder, cast_type(bld_base, src0, nir_type_int, 32), LLVMBuildBitCast(builder, lp_build_const_vec(bld_base->base.gallivm, bld_base->base.type, 1.0), bld_base->int_bld.vec_type, ""), ""); result = LLVMBuildBitCast(builder, result, bld_base->base.vec_type, ""); switch (bitsize) { case 32: break; case 64: result = LLVMBuildFPExt(builder, result, bld_base->dbl_bld.vec_type, ""); break; default: unreachable("unsupported bit size."); } return result; } static LLVMValueRef emit_b2i(struct lp_build_nir_context *bld_base, LLVMValueRef src0, unsigned bitsize) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; LLVMValueRef result = LLVMBuildAnd(builder, cast_type(bld_base, src0, nir_type_int, 32), lp_build_const_int_vec(bld_base->base.gallivm, bld_base->base.type, 1), ""); switch (bitsize) { case 32: return result; case 64: return LLVMBuildZExt(builder, result, bld_base->int64_bld.vec_type, ""); default: unreachable("unsupported bit size."); } } static LLVMValueRef emit_b32csel(struct lp_build_nir_context *bld_base, unsigned src_bit_size[NIR_MAX_VEC_COMPONENTS], LLVMValueRef src[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef sel = cast_type(bld_base, src[0], nir_type_int, 32); LLVMValueRef v = lp_build_compare(bld_base->base.gallivm, bld_base->int_bld.type, PIPE_FUNC_NOTEQUAL, sel, bld_base->int_bld.zero); struct lp_build_context *bld = get_int_bld(bld_base, false, src_bit_size[1]); return lp_build_select(bld, v, src[1], src[2]); } static LLVMValueRef split_64bit(struct lp_build_nir_context *bld_base, LLVMValueRef src, bool hi) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMValueRef shuffles[LP_MAX_VECTOR_WIDTH/32]; LLVMValueRef shuffles2[LP_MAX_VECTOR_WIDTH/32]; int len = bld_base->base.type.length * 2; for (unsigned i = 0; i < bld_base->base.type.length; i++) { shuffles[i] = lp_build_const_int32(gallivm, i * 2); shuffles2[i] = lp_build_const_int32(gallivm, (i * 2) + 1); } src = LLVMBuildBitCast(gallivm->builder, src, LLVMVectorType(LLVMInt32TypeInContext(gallivm->context), len), ""); return LLVMBuildShuffleVector(gallivm->builder, src, LLVMGetUndef(LLVMTypeOf(src)), LLVMConstVector(hi ? shuffles2 : shuffles, bld_base->base.type.length), ""); } static LLVMValueRef merge_64bit(struct lp_build_nir_context *bld_base, LLVMValueRef input, LLVMValueRef input2) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; int i; LLVMValueRef shuffles[2 * (LP_MAX_VECTOR_WIDTH/32)]; int len = bld_base->base.type.length * 2; assert(len <= (2 * (LP_MAX_VECTOR_WIDTH/32))); for (i = 0; i < bld_base->base.type.length * 2; i+=2) { shuffles[i] = lp_build_const_int32(gallivm, i / 2); shuffles[i + 1] = lp_build_const_int32(gallivm, i / 2 + bld_base->base.type.length); } return LLVMBuildShuffleVector(builder, input, input2, LLVMConstVector(shuffles, len), ""); } static LLVMValueRef do_int_divide(struct lp_build_nir_context *bld_base, bool is_unsigned, unsigned src_bit_size, LLVMValueRef src, LLVMValueRef src2) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; struct lp_build_context *int_bld = get_int_bld(bld_base, is_unsigned, src_bit_size); struct lp_build_context *mask_bld = get_int_bld(bld_base, true, src_bit_size); LLVMValueRef div_mask = lp_build_cmp(mask_bld, PIPE_FUNC_EQUAL, src2, mask_bld->zero); if (!is_unsigned) { /* INT_MIN (0x80000000) / -1 (0xffffffff) causes sigfpe, seen with blender. */ div_mask = LLVMBuildAnd(builder, div_mask, lp_build_const_int_vec(gallivm, int_bld->type, 0x7fffffff), ""); } LLVMValueRef divisor = LLVMBuildOr(builder, div_mask, src2, ""); LLVMValueRef result = lp_build_div(int_bld, src, divisor); if (!is_unsigned) { LLVMValueRef not_div_mask = LLVMBuildNot(builder, div_mask, ""); return LLVMBuildAnd(builder, not_div_mask, result, ""); } else /* udiv by zero is guaranteed to return 0xffffffff at least with d3d10 * may as well do same for idiv */ return LLVMBuildOr(builder, div_mask, result, ""); } static LLVMValueRef do_int_mod(struct lp_build_nir_context *bld_base, bool is_unsigned, unsigned src_bit_size, LLVMValueRef src, LLVMValueRef src2) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; struct lp_build_context *int_bld = get_int_bld(bld_base, is_unsigned, src_bit_size); LLVMValueRef div_mask = lp_build_cmp(int_bld, PIPE_FUNC_EQUAL, src2, int_bld->zero); LLVMValueRef divisor = LLVMBuildOr(builder, div_mask, src2, ""); LLVMValueRef result = lp_build_mod(int_bld, src, divisor); return LLVMBuildOr(builder, div_mask, result, ""); } static LLVMValueRef do_alu_action(struct lp_build_nir_context *bld_base, nir_op op, unsigned src_bit_size[NIR_MAX_VEC_COMPONENTS], LLVMValueRef src[NIR_MAX_VEC_COMPONENTS]) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; LLVMValueRef result; switch (op) { case nir_op_b2f32: result = emit_b2f(bld_base, src[0], 32); break; case nir_op_b2f64: result = emit_b2f(bld_base, src[0], 64); break; case nir_op_b2i32: result = emit_b2i(bld_base, src[0], 32); break; case nir_op_b2i64: result = emit_b2i(bld_base, src[0], 64); break; case nir_op_b32csel: result = emit_b32csel(bld_base, src_bit_size, src); break; case nir_op_bit_count: result = lp_build_popcount(get_int_bld(bld_base, false, src_bit_size[0]), src[0]); break; case nir_op_bitfield_select: result = lp_build_xor(&bld_base->uint_bld, src[2], lp_build_and(&bld_base->uint_bld, src[0], lp_build_xor(&bld_base->uint_bld, src[1], src[2]))); break; case nir_op_bitfield_reverse: result = lp_build_bitfield_reverse(get_int_bld(bld_base, false, src_bit_size[0]), src[0]); break; case nir_op_f2b32: result = flt_to_bool32(bld_base, src_bit_size[0], src[0]); break; case nir_op_f2f32: result = LLVMBuildFPTrunc(builder, src[0], bld_base->base.vec_type, ""); break; case nir_op_f2f64: result = LLVMBuildFPExt(builder, src[0], bld_base->dbl_bld.vec_type, ""); break; case nir_op_f2i32: result = LLVMBuildFPToSI(builder, src[0], bld_base->base.int_vec_type, ""); break; case nir_op_f2u32: result = LLVMBuildFPToUI(builder, src[0], bld_base->base.int_vec_type, ""); break; case nir_op_f2i64: result = LLVMBuildFPToSI(builder, src[0], bld_base->int64_bld.vec_type, ""); break; case nir_op_f2u64: result = LLVMBuildFPToUI(builder, src[0], bld_base->uint64_bld.vec_type, ""); break; case nir_op_fabs: result = lp_build_abs(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_fadd: result = lp_build_add(get_flt_bld(bld_base, src_bit_size[0]), src[0], src[1]); break; case nir_op_fceil: result = lp_build_ceil(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_fcos: result = lp_build_cos(&bld_base->base, src[0]); break; case nir_op_fddx: case nir_op_fddx_coarse: case nir_op_fddx_fine: result = lp_build_ddx(&bld_base->base, src[0]); break; case nir_op_fddy: case nir_op_fddy_coarse: case nir_op_fddy_fine: result = lp_build_ddy(&bld_base->base, src[0]); break; case nir_op_fdiv: result = lp_build_div(get_flt_bld(bld_base, src_bit_size[0]), src[0], src[1]); break; case nir_op_feq32: result = fcmp32(bld_base, PIPE_FUNC_EQUAL, src_bit_size[0], src); break; case nir_op_fexp2: result = lp_build_exp2(&bld_base->base, src[0]); break; case nir_op_ffloor: result = lp_build_floor(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_ffma: result = lp_build_fmuladd(builder, src[0], src[1], src[2]); break; case nir_op_ffract: { struct lp_build_context *flt_bld = get_flt_bld(bld_base, src_bit_size[0]); LLVMValueRef tmp = lp_build_floor(flt_bld, src[0]); result = lp_build_sub(flt_bld, src[0], tmp); break; } case nir_op_fge32: result = fcmp32(bld_base, PIPE_FUNC_GEQUAL, src_bit_size[0], src); break; case nir_op_find_lsb: result = lp_build_cttz(get_int_bld(bld_base, false, src_bit_size[0]), src[0]); break; case nir_op_flog2: result = lp_build_log2_safe(&bld_base->base, src[0]); break; case nir_op_flt32: result = fcmp32(bld_base, PIPE_FUNC_LESS, src_bit_size[0], src); break; case nir_op_fmin: result = lp_build_min(get_flt_bld(bld_base, src_bit_size[0]), src[0], src[1]); break; case nir_op_fmod: { struct lp_build_context *flt_bld = get_flt_bld(bld_base, src_bit_size[0]); result = lp_build_div(flt_bld, src[0], src[1]); result = lp_build_floor(flt_bld, result); result = lp_build_mul(flt_bld, src[1], result); result = lp_build_sub(flt_bld, src[0], result); break; } case nir_op_fmul: result = lp_build_mul(get_flt_bld(bld_base, src_bit_size[0]), src[0], src[1]); break; case nir_op_fmax: result = lp_build_max(get_flt_bld(bld_base, src_bit_size[0]), src[0], src[1]); break; case nir_op_fne32: result = fcmp32(bld_base, PIPE_FUNC_NOTEQUAL, src_bit_size[0], src); break; case nir_op_fneg: result = lp_build_negate(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_fpow: result = lp_build_pow(&bld_base->base, src[0], src[1]); break; case nir_op_frcp: result = lp_build_rcp(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_fround_even: result = lp_build_round(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_frsq: result = lp_build_rsqrt(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_fsat: result = lp_build_clamp_zero_one_nanzero(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_fsign: result = lp_build_sgn(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_fsin: result = lp_build_sin(&bld_base->base, src[0]); break; case nir_op_fsqrt: result = lp_build_sqrt(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_ftrunc: result = lp_build_trunc(get_flt_bld(bld_base, src_bit_size[0]), src[0]); break; case nir_op_i2b32: result = int_to_bool32(bld_base, src_bit_size[0], false, src[0]); break; case nir_op_i2f32: result = lp_build_int_to_float(&bld_base->base, src[0]); break; case nir_op_i2f64: result = lp_build_int_to_float(&bld_base->dbl_bld, src[0]); break; case nir_op_i2i8: result = LLVMBuildTrunc(builder, src[0], bld_base->int8_bld.vec_type, ""); break; case nir_op_i2i16: if (src_bit_size[0] < 16) result = LLVMBuildSExt(builder, src[0], bld_base->int16_bld.vec_type, ""); else result = LLVMBuildTrunc(builder, src[0], bld_base->int16_bld.vec_type, ""); break; case nir_op_i2i32: if (src_bit_size[0] < 32) result = LLVMBuildSExt(builder, src[0], bld_base->int_bld.vec_type, ""); else result = LLVMBuildTrunc(builder, src[0], bld_base->int_bld.vec_type, ""); break; case nir_op_i2i64: result = LLVMBuildSExt(builder, src[0], bld_base->int64_bld.vec_type, ""); break; case nir_op_iabs: result = lp_build_abs(get_int_bld(bld_base, false, src_bit_size[0]), src[0]); break; case nir_op_iadd: result = lp_build_add(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_iand: result = lp_build_and(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_idiv: result = do_int_divide(bld_base, false, src_bit_size[0], src[0], src[1]); break; case nir_op_ieq32: result = icmp32(bld_base, PIPE_FUNC_EQUAL, false, src_bit_size[0], src); break; case nir_op_ige32: result = icmp32(bld_base, PIPE_FUNC_GEQUAL, false, src_bit_size[0], src); break; case nir_op_ilt32: result = icmp32(bld_base, PIPE_FUNC_LESS, false, src_bit_size[0], src); break; case nir_op_imax: result = lp_build_max(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_imin: result = lp_build_min(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_imul: case nir_op_imul24: result = lp_build_mul(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_imul_high: { LLVMValueRef hi_bits; lp_build_mul_32_lohi(&bld_base->int_bld, src[0], src[1], &hi_bits); result = hi_bits; break; } case nir_op_ine32: result = icmp32(bld_base, PIPE_FUNC_NOTEQUAL, false, src_bit_size[0], src); break; case nir_op_ineg: result = lp_build_negate(get_int_bld(bld_base, false, src_bit_size[0]), src[0]); break; case nir_op_inot: result = lp_build_not(get_int_bld(bld_base, false, src_bit_size[0]), src[0]); break; case nir_op_ior: result = lp_build_or(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_irem: result = do_int_mod(bld_base, false, src_bit_size[0], src[0], src[1]); break; case nir_op_ishl: { struct lp_build_context *uint_bld = get_int_bld(bld_base, true, src_bit_size[0]); struct lp_build_context *int_bld = get_int_bld(bld_base, false, src_bit_size[0]); if (src_bit_size[0] == 64) src[1] = LLVMBuildZExt(builder, src[1], uint_bld->vec_type, ""); if (src_bit_size[0] < 32) src[1] = LLVMBuildTrunc(builder, src[1], uint_bld->vec_type, ""); src[1] = lp_build_and(uint_bld, src[1], lp_build_const_int_vec(gallivm, uint_bld->type, (src_bit_size[0] - 1))); result = lp_build_shl(int_bld, src[0], src[1]); break; } case nir_op_ishr: { struct lp_build_context *uint_bld = get_int_bld(bld_base, true, src_bit_size[0]); struct lp_build_context *int_bld = get_int_bld(bld_base, false, src_bit_size[0]); if (src_bit_size[0] == 64) src[1] = LLVMBuildZExt(builder, src[1], uint_bld->vec_type, ""); if (src_bit_size[0] < 32) src[1] = LLVMBuildTrunc(builder, src[1], uint_bld->vec_type, ""); src[1] = lp_build_and(uint_bld, src[1], lp_build_const_int_vec(gallivm, uint_bld->type, (src_bit_size[0] - 1))); result = lp_build_shr(int_bld, src[0], src[1]); break; } case nir_op_isign: result = lp_build_sgn(get_int_bld(bld_base, false, src_bit_size[0]), src[0]); break; case nir_op_isub: result = lp_build_sub(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_ixor: result = lp_build_xor(get_int_bld(bld_base, false, src_bit_size[0]), src[0], src[1]); break; case nir_op_mov: result = src[0]; break; case nir_op_unpack_64_2x32_split_x: result = split_64bit(bld_base, src[0], false); break; case nir_op_unpack_64_2x32_split_y: result = split_64bit(bld_base, src[0], true); break; case nir_op_pack_64_2x32_split: { LLVMValueRef tmp = merge_64bit(bld_base, src[0], src[1]); result = LLVMBuildBitCast(builder, tmp, bld_base->dbl_bld.vec_type, ""); break; } case nir_op_u2f32: result = LLVMBuildUIToFP(builder, src[0], bld_base->base.vec_type, ""); break; case nir_op_u2f64: result = LLVMBuildUIToFP(builder, src[0], bld_base->dbl_bld.vec_type, ""); break; case nir_op_u2u8: result = LLVMBuildTrunc(builder, src[0], bld_base->uint8_bld.vec_type, ""); break; case nir_op_u2u16: if (src_bit_size[0] < 16) result = LLVMBuildZExt(builder, src[0], bld_base->uint16_bld.vec_type, ""); else result = LLVMBuildTrunc(builder, src[0], bld_base->uint16_bld.vec_type, ""); break; case nir_op_u2u32: if (src_bit_size[0] < 32) result = LLVMBuildZExt(builder, src[0], bld_base->uint_bld.vec_type, ""); else result = LLVMBuildTrunc(builder, src[0], bld_base->uint_bld.vec_type, ""); break; case nir_op_u2u64: result = LLVMBuildZExt(builder, src[0], bld_base->uint64_bld.vec_type, ""); break; case nir_op_udiv: result = do_int_divide(bld_base, true, src_bit_size[0], src[0], src[1]); break; case nir_op_ufind_msb: { struct lp_build_context *uint_bld = get_int_bld(bld_base, true, src_bit_size[0]); result = lp_build_ctlz(uint_bld, src[0]); result = lp_build_sub(uint_bld, lp_build_const_int_vec(gallivm, uint_bld->type, src_bit_size[0] - 1), result); break; } case nir_op_uge32: result = icmp32(bld_base, PIPE_FUNC_GEQUAL, true, src_bit_size[0], src); break; case nir_op_ult32: result = icmp32(bld_base, PIPE_FUNC_LESS, true, src_bit_size[0], src); break; case nir_op_umax: result = lp_build_max(get_int_bld(bld_base, true, src_bit_size[0]), src[0], src[1]); break; case nir_op_umin: result = lp_build_min(get_int_bld(bld_base, true, src_bit_size[0]), src[0], src[1]); break; case nir_op_umod: result = do_int_mod(bld_base, true, src_bit_size[0], src[0], src[1]); break; case nir_op_umul_high: { LLVMValueRef hi_bits; lp_build_mul_32_lohi(&bld_base->uint_bld, src[0], src[1], &hi_bits); result = hi_bits; break; } case nir_op_ushr: { struct lp_build_context *uint_bld = get_int_bld(bld_base, true, src_bit_size[0]); if (src_bit_size[0] == 64) src[1] = LLVMBuildZExt(builder, src[1], uint_bld->vec_type, ""); if (src_bit_size[0] < 32) src[1] = LLVMBuildTrunc(builder, src[1], uint_bld->vec_type, ""); src[1] = lp_build_and(uint_bld, src[1], lp_build_const_int_vec(gallivm, uint_bld->type, (src_bit_size[0] - 1))); result = lp_build_shr(uint_bld, src[0], src[1]); break; } default: assert(0); break; } return result; } static void visit_alu(struct lp_build_nir_context *bld_base, const nir_alu_instr *instr) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMValueRef src[NIR_MAX_VEC_COMPONENTS]; unsigned src_bit_size[NIR_MAX_VEC_COMPONENTS]; unsigned num_components = nir_dest_num_components(instr->dest.dest); unsigned src_components; switch (instr->op) { case nir_op_vec2: case nir_op_vec3: case nir_op_vec4: case nir_op_vec8: case nir_op_vec16: src_components = 1; break; case nir_op_pack_half_2x16: src_components = 2; break; case nir_op_unpack_half_2x16: src_components = 1; break; case nir_op_cube_face_coord: case nir_op_cube_face_index: src_components = 3; break; default: src_components = num_components; break; } for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) { src[i] = get_alu_src(bld_base, instr->src[i], src_components); src_bit_size[i] = nir_src_bit_size(instr->src[i].src); } LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]; if (instr->op == nir_op_vec4 || instr->op == nir_op_vec3 || instr->op == nir_op_vec2 || instr->op == nir_op_vec8 || instr->op == nir_op_vec16) { for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) { result[i] = cast_type(bld_base, src[i], nir_op_infos[instr->op].input_types[i], src_bit_size[i]); } } else { for (unsigned c = 0; c < num_components; c++) { LLVMValueRef src_chan[NIR_MAX_VEC_COMPONENTS]; for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) { if (num_components > 1) { src_chan[i] = LLVMBuildExtractValue(gallivm->builder, src[i], c, ""); } else src_chan[i] = src[i]; src_chan[i] = cast_type(bld_base, src_chan[i], nir_op_infos[instr->op].input_types[i], src_bit_size[i]); } result[c] = do_alu_action(bld_base, instr->op, src_bit_size, src_chan); result[c] = cast_type(bld_base, result[c], nir_op_infos[instr->op].output_type, nir_dest_bit_size(instr->dest.dest)); } } assign_alu_dest(bld_base, &instr->dest, result); } static void visit_load_const(struct lp_build_nir_context *bld_base, const nir_load_const_instr *instr) { LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]; struct lp_build_context *int_bld = get_int_bld(bld_base, true, instr->def.bit_size); for (unsigned i = 0; i < instr->def.num_components; i++) result[i] = lp_build_const_int_vec(bld_base->base.gallivm, int_bld->type, instr->value[i].u64); assign_ssa_dest(bld_base, &instr->def, result); } static void get_deref_offset(struct lp_build_nir_context *bld_base, nir_deref_instr *instr, bool vs_in, unsigned *vertex_index_out, LLVMValueRef *vertex_index_ref, unsigned *const_out, LLVMValueRef *indir_out) { LLVMBuilderRef builder = bld_base->base.gallivm->builder; nir_variable *var = nir_deref_instr_get_variable(instr); nir_deref_path path; unsigned idx_lvl = 1; nir_deref_path_init(&path, instr, NULL); if (vertex_index_out != NULL || vertex_index_ref != NULL) { if (vertex_index_ref) { *vertex_index_ref = get_src(bld_base, path.path[idx_lvl]->arr.index); if (vertex_index_out) *vertex_index_out = 0; } else { *vertex_index_out = nir_src_as_uint(path.path[idx_lvl]->arr.index); } ++idx_lvl; } uint32_t const_offset = 0; LLVMValueRef offset = NULL; if (var->data.compact) { assert(instr->deref_type == nir_deref_type_array); const_offset = nir_src_as_uint(instr->arr.index); goto out; } for (; path.path[idx_lvl]; ++idx_lvl) { const struct glsl_type *parent_type = path.path[idx_lvl - 1]->type; if (path.path[idx_lvl]->deref_type == nir_deref_type_struct) { unsigned index = path.path[idx_lvl]->strct.index; for (unsigned i = 0; i < index; i++) { const struct glsl_type *ft = glsl_get_struct_field(parent_type, i); const_offset += glsl_count_attribute_slots(ft, vs_in); } } else if(path.path[idx_lvl]->deref_type == nir_deref_type_array) { unsigned size = glsl_count_attribute_slots(path.path[idx_lvl]->type, vs_in); if (nir_src_is_const(path.path[idx_lvl]->arr.index)) { const_offset += nir_src_comp_as_int(path.path[idx_lvl]->arr.index, 0) * size; } else { LLVMValueRef idx_src = get_src(bld_base, path.path[idx_lvl]->arr.index); idx_src = cast_type(bld_base, idx_src, nir_type_uint, 32); LLVMValueRef array_off = lp_build_mul(&bld_base->uint_bld, lp_build_const_int_vec(bld_base->base.gallivm, bld_base->base.type, size), idx_src); if (offset) offset = lp_build_add(&bld_base->uint_bld, offset, array_off); else offset = array_off; } } else unreachable("Uhandled deref type in get_deref_instr_offset"); } out: nir_deref_path_finish(&path); if (const_offset && offset) offset = LLVMBuildAdd(builder, offset, lp_build_const_int_vec(bld_base->base.gallivm, bld_base->uint_bld.type, const_offset), ""); *const_out = const_offset; *indir_out = offset; } static void visit_load_var(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr); nir_variable *var = nir_deref_instr_get_variable(deref); nir_variable_mode mode = deref->mode; unsigned const_index; LLVMValueRef indir_index; LLVMValueRef indir_vertex_index = NULL; unsigned vertex_index = 0; unsigned nc = nir_dest_num_components(instr->dest); unsigned bit_size = nir_dest_bit_size(instr->dest); if (var) { bool vs_in = bld_base->shader->info.stage == MESA_SHADER_VERTEX && var->data.mode == nir_var_shader_in; bool gs_in = bld_base->shader->info.stage == MESA_SHADER_GEOMETRY && var->data.mode == nir_var_shader_in; bool tcs_in = bld_base->shader->info.stage == MESA_SHADER_TESS_CTRL && var->data.mode == nir_var_shader_in; bool tcs_out = bld_base->shader->info.stage == MESA_SHADER_TESS_CTRL && var->data.mode == nir_var_shader_out && !var->data.patch; bool tes_in = bld_base->shader->info.stage == MESA_SHADER_TESS_EVAL && var->data.mode == nir_var_shader_in && !var->data.patch; mode = var->data.mode; get_deref_offset(bld_base, deref, vs_in, gs_in ? &vertex_index : NULL, (tcs_in || tcs_out || tes_in) ? &indir_vertex_index : NULL, &const_index, &indir_index); } bld_base->load_var(bld_base, mode, nc, bit_size, var, vertex_index, indir_vertex_index, const_index, indir_index, result); } static void visit_store_var(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr) { nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr); nir_variable *var = nir_deref_instr_get_variable(deref); nir_variable_mode mode = deref->mode; int writemask = instr->const_index[0]; unsigned bit_size = nir_src_bit_size(instr->src[1]); LLVMValueRef src = get_src(bld_base, instr->src[1]); unsigned const_index = 0; LLVMValueRef indir_index, indir_vertex_index = NULL; if (var) { bool tcs_out = bld_base->shader->info.stage == MESA_SHADER_TESS_CTRL && var->data.mode == nir_var_shader_out && !var->data.patch; get_deref_offset(bld_base, deref, false, NULL, tcs_out ? &indir_vertex_index : NULL, &const_index, &indir_index); } bld_base->store_var(bld_base, mode, instr->num_components, bit_size, var, writemask, indir_vertex_index, const_index, indir_index, src); } static void visit_load_ubo(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; LLVMValueRef idx = get_src(bld_base, instr->src[0]); LLVMValueRef offset = get_src(bld_base, instr->src[1]); bool offset_is_uniform = nir_src_is_dynamically_uniform(instr->src[1]); idx = LLVMBuildExtractElement(builder, idx, lp_build_const_int32(gallivm, 0), ""); bld_base->load_ubo(bld_base, nir_dest_num_components(instr->dest), nir_dest_bit_size(instr->dest), offset_is_uniform, idx, offset, result); } static void visit_load_ssbo(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef idx = get_src(bld_base, instr->src[0]); LLVMValueRef offset = get_src(bld_base, instr->src[1]); bld_base->load_mem(bld_base, nir_dest_num_components(instr->dest), nir_dest_bit_size(instr->dest), idx, offset, result); } static void visit_store_ssbo(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr) { LLVMValueRef val = get_src(bld_base, instr->src[0]); LLVMValueRef idx = get_src(bld_base, instr->src[1]); LLVMValueRef offset = get_src(bld_base, instr->src[2]); int writemask = instr->const_index[0]; int nc = nir_src_num_components(instr->src[0]); int bitsize = nir_src_bit_size(instr->src[0]); bld_base->store_mem(bld_base, writemask, nc, bitsize, idx, offset, val); } static void visit_get_buffer_size(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef idx = get_src(bld_base, instr->src[0]); result[0] = bld_base->get_buffer_size(bld_base, idx); } static void visit_ssbo_atomic(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef idx = get_src(bld_base, instr->src[0]); LLVMValueRef offset = get_src(bld_base, instr->src[1]); LLVMValueRef val = get_src(bld_base, instr->src[2]); LLVMValueRef val2 = NULL; if (instr->intrinsic == nir_intrinsic_ssbo_atomic_comp_swap) val2 = get_src(bld_base, instr->src[3]); bld_base->atomic_mem(bld_base, instr->intrinsic, idx, offset, val, val2, &result[0]); } static void visit_load_image(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr); nir_variable *var = nir_deref_instr_get_variable(deref); LLVMValueRef coord_val = get_src(bld_base, instr->src[1]); LLVMValueRef coords[5]; struct lp_img_params params; const struct glsl_type *type = glsl_without_array(var->type); memset(¶ms, 0, sizeof(params)); params.target = glsl_sampler_to_pipe(glsl_get_sampler_dim(type), glsl_sampler_type_is_array(type)); for (unsigned i = 0; i < 4; i++) coords[i] = LLVMBuildExtractValue(builder, coord_val, i, ""); if (params.target == PIPE_TEXTURE_1D_ARRAY) coords[2] = coords[1]; params.coords = coords; params.outdata = result; params.img_op = LP_IMG_LOAD; if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_MS) params.ms_index = get_src(bld_base, instr->src[2]); params.image_index = var->data.binding; bld_base->image_op(bld_base, ¶ms); } static void visit_store_image(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr); nir_variable *var = nir_deref_instr_get_variable(deref); LLVMValueRef coord_val = get_src(bld_base, instr->src[1]); LLVMValueRef in_val = get_src(bld_base, instr->src[3]); LLVMValueRef coords[5]; struct lp_img_params params; const struct glsl_type *type = glsl_without_array(var->type); memset(¶ms, 0, sizeof(params)); params.target = glsl_sampler_to_pipe(glsl_get_sampler_dim(type), glsl_sampler_type_is_array(type)); for (unsigned i = 0; i < 4; i++) coords[i] = LLVMBuildExtractValue(builder, coord_val, i, ""); if (params.target == PIPE_TEXTURE_1D_ARRAY) coords[2] = coords[1]; params.coords = coords; for (unsigned i = 0; i < 4; i++) { params.indata[i] = LLVMBuildExtractValue(builder, in_val, i, ""); params.indata[i] = LLVMBuildBitCast(builder, params.indata[i], bld_base->base.vec_type, ""); } if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_MS) params.ms_index = get_src(bld_base, instr->src[2]); params.img_op = LP_IMG_STORE; params.image_index = var->data.binding; if (params.target == PIPE_TEXTURE_1D_ARRAY) coords[2] = coords[1]; bld_base->image_op(bld_base, ¶ms); } static void visit_atomic_image(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr); nir_variable *var = nir_deref_instr_get_variable(deref); struct lp_img_params params; LLVMValueRef coord_val = get_src(bld_base, instr->src[1]); LLVMValueRef in_val = get_src(bld_base, instr->src[3]); LLVMValueRef coords[5]; const struct glsl_type *type = glsl_without_array(var->type); memset(¶ms, 0, sizeof(params)); switch (instr->intrinsic) { case nir_intrinsic_image_deref_atomic_add: params.op = LLVMAtomicRMWBinOpAdd; break; case nir_intrinsic_image_deref_atomic_exchange: params.op = LLVMAtomicRMWBinOpXchg; break; case nir_intrinsic_image_deref_atomic_and: params.op = LLVMAtomicRMWBinOpAnd; break; case nir_intrinsic_image_deref_atomic_or: params.op = LLVMAtomicRMWBinOpOr; break; case nir_intrinsic_image_deref_atomic_xor: params.op = LLVMAtomicRMWBinOpXor; break; case nir_intrinsic_image_deref_atomic_umin: params.op = LLVMAtomicRMWBinOpUMin; break; case nir_intrinsic_image_deref_atomic_umax: params.op = LLVMAtomicRMWBinOpUMax; break; case nir_intrinsic_image_deref_atomic_imin: params.op = LLVMAtomicRMWBinOpMin; break; case nir_intrinsic_image_deref_atomic_imax: params.op = LLVMAtomicRMWBinOpMax; break; default: break; } params.target = glsl_sampler_to_pipe(glsl_get_sampler_dim(type), glsl_sampler_type_is_array(type)); for (unsigned i = 0; i < 4; i++) coords[i] = LLVMBuildExtractValue(builder, coord_val, i, ""); if (params.target == PIPE_TEXTURE_1D_ARRAY) coords[2] = coords[1]; params.coords = coords; if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_MS) params.ms_index = get_src(bld_base, instr->src[2]); if (instr->intrinsic == nir_intrinsic_image_deref_atomic_comp_swap) { LLVMValueRef cas_val = get_src(bld_base, instr->src[4]); params.indata[0] = in_val; params.indata2[0] = cas_val; } else params.indata[0] = in_val; params.outdata = result; params.img_op = (instr->intrinsic == nir_intrinsic_image_deref_atomic_comp_swap) ? LP_IMG_ATOMIC_CAS : LP_IMG_ATOMIC; params.image_index = var->data.binding; bld_base->image_op(bld_base, ¶ms); } static void visit_image_size(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr); nir_variable *var = nir_deref_instr_get_variable(deref); struct lp_sampler_size_query_params params = { 0 }; params.texture_unit = var->data.binding; params.target = glsl_sampler_to_pipe(glsl_get_sampler_dim(var->type), glsl_sampler_type_is_array(var->type)); params.sizes_out = result; bld_base->image_size(bld_base, ¶ms); } static void visit_image_samples(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr); nir_variable *var = nir_deref_instr_get_variable(deref); struct lp_sampler_size_query_params params = { 0 }; params.texture_unit = var->data.binding; params.target = glsl_sampler_to_pipe(glsl_get_sampler_dim(var->type), glsl_sampler_type_is_array(var->type)); params.sizes_out = result; params.samples_only = true; bld_base->image_size(bld_base, ¶ms); } static void visit_shared_load(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef offset = get_src(bld_base, instr->src[0]); bld_base->load_mem(bld_base, nir_dest_num_components(instr->dest), nir_dest_bit_size(instr->dest), NULL, offset, result); } static void visit_shared_store(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr) { LLVMValueRef val = get_src(bld_base, instr->src[0]); LLVMValueRef offset = get_src(bld_base, instr->src[1]); int writemask = instr->const_index[1]; int nc = nir_src_num_components(instr->src[0]); int bitsize = nir_src_bit_size(instr->src[0]); bld_base->store_mem(bld_base, writemask, nc, bitsize, NULL, offset, val); } static void visit_shared_atomic(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef offset = get_src(bld_base, instr->src[0]); LLVMValueRef val = get_src(bld_base, instr->src[1]); LLVMValueRef val2 = NULL; if (instr->intrinsic == nir_intrinsic_shared_atomic_comp_swap) val2 = get_src(bld_base, instr->src[2]); bld_base->atomic_mem(bld_base, instr->intrinsic, NULL, offset, val, val2, &result[0]); } static void visit_barrier(struct lp_build_nir_context *bld_base) { bld_base->barrier(bld_base); } static void visit_discard(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr) { LLVMValueRef cond = NULL; if (instr->intrinsic == nir_intrinsic_discard_if) { cond = get_src(bld_base, instr->src[0]); cond = cast_type(bld_base, cond, nir_type_int, 32); } bld_base->discard(bld_base, cond); } static void visit_load_kernel_input(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef offset = get_src(bld_base, instr->src[0]); bool offset_is_uniform = nir_src_is_dynamically_uniform(instr->src[0]); bld_base->load_kernel_arg(bld_base, nir_dest_num_components(instr->dest), nir_dest_bit_size(instr->dest), nir_src_bit_size(instr->src[0]), offset_is_uniform, offset, result); } static void visit_load_global(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef addr = get_src(bld_base, instr->src[0]); bld_base->load_global(bld_base, nir_dest_num_components(instr->dest), nir_dest_bit_size(instr->dest), nir_src_bit_size(instr->src[0]), addr, result); } static void visit_store_global(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr) { LLVMValueRef val = get_src(bld_base, instr->src[0]); int nc = nir_src_num_components(instr->src[0]); int bitsize = nir_src_bit_size(instr->src[0]); LLVMValueRef addr = get_src(bld_base, instr->src[1]); int addr_bitsize = nir_src_bit_size(instr->src[1]); int writemask = instr->const_index[0]; bld_base->store_global(bld_base, writemask, nc, bitsize, addr_bitsize, addr, val); } static void visit_global_atomic(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr, LLVMValueRef result[NIR_MAX_VEC_COMPONENTS]) { LLVMValueRef addr = get_src(bld_base, instr->src[0]); LLVMValueRef val = get_src(bld_base, instr->src[1]); LLVMValueRef val2 = NULL; int addr_bitsize = nir_src_bit_size(instr->src[0]); if (instr->intrinsic == nir_intrinsic_global_atomic_comp_swap) val2 = get_src(bld_base, instr->src[2]); bld_base->atomic_global(bld_base, instr->intrinsic, addr_bitsize, addr, val, val2, &result[0]); } static void visit_intrinsic(struct lp_build_nir_context *bld_base, nir_intrinsic_instr *instr) { LLVMValueRef result[NIR_MAX_VEC_COMPONENTS] = {0}; switch (instr->intrinsic) { case nir_intrinsic_load_deref: visit_load_var(bld_base, instr, result); break; case nir_intrinsic_store_deref: visit_store_var(bld_base, instr); break; case nir_intrinsic_load_ubo: visit_load_ubo(bld_base, instr, result); break; case nir_intrinsic_load_ssbo: visit_load_ssbo(bld_base, instr, result); break; case nir_intrinsic_store_ssbo: visit_store_ssbo(bld_base, instr); break; case nir_intrinsic_get_buffer_size: visit_get_buffer_size(bld_base, instr, result); break; case nir_intrinsic_load_vertex_id: case nir_intrinsic_load_primitive_id: case nir_intrinsic_load_instance_id: case nir_intrinsic_load_base_instance: case nir_intrinsic_load_base_vertex: case nir_intrinsic_load_work_group_id: case nir_intrinsic_load_local_invocation_id: case nir_intrinsic_load_num_work_groups: case nir_intrinsic_load_invocation_id: case nir_intrinsic_load_front_face: case nir_intrinsic_load_draw_id: case nir_intrinsic_load_local_group_size: case nir_intrinsic_load_work_dim: case nir_intrinsic_load_tess_coord: case nir_intrinsic_load_tess_level_outer: case nir_intrinsic_load_tess_level_inner: case nir_intrinsic_load_patch_vertices_in: case nir_intrinsic_load_sample_id: case nir_intrinsic_load_sample_pos: bld_base->sysval_intrin(bld_base, instr, result); break; case nir_intrinsic_load_helper_invocation: bld_base->helper_invocation(bld_base, &result[0]); break; case nir_intrinsic_discard_if: case nir_intrinsic_discard: visit_discard(bld_base, instr); break; case nir_intrinsic_emit_vertex: bld_base->emit_vertex(bld_base, nir_intrinsic_stream_id(instr)); break; case nir_intrinsic_end_primitive: bld_base->end_primitive(bld_base, nir_intrinsic_stream_id(instr)); break; case nir_intrinsic_ssbo_atomic_add: case nir_intrinsic_ssbo_atomic_imin: case nir_intrinsic_ssbo_atomic_imax: case nir_intrinsic_ssbo_atomic_umin: case nir_intrinsic_ssbo_atomic_umax: case nir_intrinsic_ssbo_atomic_and: case nir_intrinsic_ssbo_atomic_or: case nir_intrinsic_ssbo_atomic_xor: case nir_intrinsic_ssbo_atomic_exchange: case nir_intrinsic_ssbo_atomic_comp_swap: visit_ssbo_atomic(bld_base, instr, result); break; case nir_intrinsic_image_deref_load: visit_load_image(bld_base, instr, result); break; case nir_intrinsic_image_deref_store: visit_store_image(bld_base, instr); break; case nir_intrinsic_image_deref_atomic_add: case nir_intrinsic_image_deref_atomic_imin: case nir_intrinsic_image_deref_atomic_imax: case nir_intrinsic_image_deref_atomic_umin: case nir_intrinsic_image_deref_atomic_umax: case nir_intrinsic_image_deref_atomic_and: case nir_intrinsic_image_deref_atomic_or: case nir_intrinsic_image_deref_atomic_xor: case nir_intrinsic_image_deref_atomic_exchange: case nir_intrinsic_image_deref_atomic_comp_swap: visit_atomic_image(bld_base, instr, result); break; case nir_intrinsic_image_deref_size: visit_image_size(bld_base, instr, result); break; case nir_intrinsic_image_deref_samples: visit_image_samples(bld_base, instr, result); break; case nir_intrinsic_load_shared: visit_shared_load(bld_base, instr, result); break; case nir_intrinsic_store_shared: visit_shared_store(bld_base, instr); break; case nir_intrinsic_shared_atomic_add: case nir_intrinsic_shared_atomic_imin: case nir_intrinsic_shared_atomic_umin: case nir_intrinsic_shared_atomic_imax: case nir_intrinsic_shared_atomic_umax: case nir_intrinsic_shared_atomic_and: case nir_intrinsic_shared_atomic_or: case nir_intrinsic_shared_atomic_xor: case nir_intrinsic_shared_atomic_exchange: case nir_intrinsic_shared_atomic_comp_swap: visit_shared_atomic(bld_base, instr, result); break; case nir_intrinsic_control_barrier: visit_barrier(bld_base); break; case nir_intrinsic_memory_barrier: case nir_intrinsic_memory_barrier_shared: case nir_intrinsic_memory_barrier_buffer: case nir_intrinsic_memory_barrier_image: case nir_intrinsic_memory_barrier_tcs_patch: break; case nir_intrinsic_load_kernel_input: visit_load_kernel_input(bld_base, instr, result); break; case nir_intrinsic_load_global: visit_load_global(bld_base, instr, result); break; case nir_intrinsic_store_global: visit_store_global(bld_base, instr); break; case nir_intrinsic_global_atomic_add: case nir_intrinsic_global_atomic_imin: case nir_intrinsic_global_atomic_umin: case nir_intrinsic_global_atomic_imax: case nir_intrinsic_global_atomic_umax: case nir_intrinsic_global_atomic_and: case nir_intrinsic_global_atomic_or: case nir_intrinsic_global_atomic_xor: case nir_intrinsic_global_atomic_exchange: case nir_intrinsic_global_atomic_comp_swap: visit_global_atomic(bld_base, instr, result); case nir_intrinsic_vote_all: case nir_intrinsic_vote_any: case nir_intrinsic_vote_ieq: bld_base->vote(bld_base, cast_type(bld_base, get_src(bld_base, instr->src[0]), nir_type_int, 32), instr, result); break; default: assert(0); break; } if (result[0]) { assign_dest(bld_base, &instr->dest, result); } } static void visit_txs(struct lp_build_nir_context *bld_base, nir_tex_instr *instr) { struct lp_sampler_size_query_params params = { 0 }; LLVMValueRef sizes_out[NIR_MAX_VEC_COMPONENTS]; LLVMValueRef explicit_lod = NULL; for (unsigned i = 0; i < instr->num_srcs; i++) { switch (instr->src[i].src_type) { case nir_tex_src_lod: explicit_lod = cast_type(bld_base, get_src(bld_base, instr->src[i].src), nir_type_int, 32); break; default: break; } } params.target = glsl_sampler_to_pipe(instr->sampler_dim, instr->is_array); params.texture_unit = instr->texture_index; params.explicit_lod = explicit_lod; params.is_sviewinfo = TRUE; params.sizes_out = sizes_out; params.samples_only = (instr->op == nir_texop_texture_samples); if (instr->op == nir_texop_query_levels) params.explicit_lod = bld_base->uint_bld.zero; bld_base->tex_size(bld_base, ¶ms); assign_dest(bld_base, &instr->dest, &sizes_out[instr->op == nir_texop_query_levels ? 3 : 0]); } static enum lp_sampler_lod_property lp_build_nir_lod_property(struct lp_build_nir_context *bld_base, nir_src lod_src) { enum lp_sampler_lod_property lod_property; if (nir_src_is_dynamically_uniform(lod_src)) lod_property = LP_SAMPLER_LOD_SCALAR; else if (bld_base->shader->info.stage == MESA_SHADER_FRAGMENT) { if (gallivm_perf & GALLIVM_PERF_NO_QUAD_LOD) lod_property = LP_SAMPLER_LOD_PER_ELEMENT; else lod_property = LP_SAMPLER_LOD_PER_QUAD; } else lod_property = LP_SAMPLER_LOD_PER_ELEMENT; return lod_property; } static void visit_tex(struct lp_build_nir_context *bld_base, nir_tex_instr *instr) { struct gallivm_state *gallivm = bld_base->base.gallivm; LLVMBuilderRef builder = gallivm->builder; LLVMValueRef coords[5]; LLVMValueRef offsets[3] = { NULL }; LLVMValueRef explicit_lod = NULL, projector = NULL, ms_index = NULL; struct lp_sampler_params params; struct lp_derivatives derivs; unsigned sample_key = 0; nir_deref_instr *texture_deref_instr = NULL; nir_deref_instr *sampler_deref_instr = NULL; LLVMValueRef texel[NIR_MAX_VEC_COMPONENTS]; unsigned lod_src = 0; LLVMValueRef coord_undef = LLVMGetUndef(bld_base->base.int_vec_type); memset(¶ms, 0, sizeof(params)); enum lp_sampler_lod_property lod_property = LP_SAMPLER_LOD_SCALAR; if (instr->op == nir_texop_txs || instr->op == nir_texop_query_levels || instr->op == nir_texop_texture_samples) { visit_txs(bld_base, instr); return; } if (instr->op == nir_texop_txf || instr->op == nir_texop_txf_ms) sample_key |= LP_SAMPLER_OP_FETCH << LP_SAMPLER_OP_TYPE_SHIFT; else if (instr->op == nir_texop_tg4) { sample_key |= LP_SAMPLER_OP_GATHER << LP_SAMPLER_OP_TYPE_SHIFT; sample_key |= (instr->component << LP_SAMPLER_GATHER_COMP_SHIFT); } else if (instr->op == nir_texop_lod) sample_key |= LP_SAMPLER_OP_LODQ << LP_SAMPLER_OP_TYPE_SHIFT; for (unsigned i = 0; i < instr->num_srcs; i++) { switch (instr->src[i].src_type) { case nir_tex_src_coord: { LLVMValueRef coord = get_src(bld_base, instr->src[i].src); if (instr->coord_components == 1) coords[0] = coord; else { for (unsigned chan = 0; chan < instr->coord_components; ++chan) coords[chan] = LLVMBuildExtractValue(builder, coord, chan, ""); } for (unsigned chan = instr->coord_components; chan < 5; chan++) coords[chan] = coord_undef; break; } case nir_tex_src_texture_deref: texture_deref_instr = nir_src_as_deref(instr->src[i].src); break; case nir_tex_src_sampler_deref: sampler_deref_instr = nir_src_as_deref(instr->src[i].src); break; case nir_tex_src_projector: projector = lp_build_rcp(&bld_base->base, cast_type(bld_base, get_src(bld_base, instr->src[i].src), nir_type_float, 32)); break; case nir_tex_src_comparator: sample_key |= LP_SAMPLER_SHADOW; coords[4] = get_src(bld_base, instr->src[i].src); coords[4] = cast_type(bld_base, coords[4], nir_type_float, 32); break; case nir_tex_src_bias: sample_key |= LP_SAMPLER_LOD_BIAS << LP_SAMPLER_LOD_CONTROL_SHIFT; lod_src = i; explicit_lod = cast_type(bld_base, get_src(bld_base, instr->src[i].src), nir_type_float, 32); break; case nir_tex_src_lod: sample_key |= LP_SAMPLER_LOD_EXPLICIT << LP_SAMPLER_LOD_CONTROL_SHIFT; lod_src = i; if (instr->op == nir_texop_txf) explicit_lod = cast_type(bld_base, get_src(bld_base, instr->src[i].src), nir_type_int, 32); else explicit_lod = cast_type(bld_base, get_src(bld_base, instr->src[i].src), nir_type_float, 32); break; case nir_tex_src_ddx: { int deriv_cnt = instr->coord_components; if (instr->is_array) deriv_cnt--; LLVMValueRef deriv_val = get_src(bld_base, instr->src[i].src); if (deriv_cnt == 1) derivs.ddx[0] = deriv_val; else for (unsigned chan = 0; chan < deriv_cnt; ++chan) derivs.ddx[chan] = LLVMBuildExtractValue(builder, deriv_val, chan, ""); for (unsigned chan = 0; chan < deriv_cnt; ++chan) derivs.ddx[chan] = cast_type(bld_base, derivs.ddx[chan], nir_type_float, 32); break; } case nir_tex_src_ddy: { int deriv_cnt = instr->coord_components; if (instr->is_array) deriv_cnt--; LLVMValueRef deriv_val = get_src(bld_base, instr->src[i].src); if (deriv_cnt == 1) derivs.ddy[0] = deriv_val; else for (unsigned chan = 0; chan < deriv_cnt; ++chan) derivs.ddy[chan] = LLVMBuildExtractValue(builder, deriv_val, chan, ""); for (unsigned chan = 0; chan < deriv_cnt; ++chan) derivs.ddy[chan] = cast_type(bld_base, derivs.ddy[chan], nir_type_float, 32); break; } case nir_tex_src_offset: { int offset_cnt = instr->coord_components; if (instr->is_array) offset_cnt--; LLVMValueRef offset_val = get_src(bld_base, instr->src[i].src); sample_key |= LP_SAMPLER_OFFSETS; if (offset_cnt == 1) offsets[0] = cast_type(bld_base, offset_val, nir_type_int, 32); else { for (unsigned chan = 0; chan < offset_cnt; ++chan) { offsets[chan] = LLVMBuildExtractValue(builder, offset_val, chan, ""); offsets[chan] = cast_type(bld_base, offsets[chan], nir_type_int, 32); } } break; } case nir_tex_src_ms_index: sample_key |= LP_SAMPLER_FETCH_MS; ms_index = cast_type(bld_base, get_src(bld_base, instr->src[i].src), nir_type_int, 32); break; default: assert(0); break; } } if (!sampler_deref_instr) sampler_deref_instr = texture_deref_instr; if (explicit_lod) lod_property = lp_build_nir_lod_property(bld_base, instr->src[lod_src].src); if (instr->op == nir_texop_tex || instr->op == nir_texop_tg4 || instr->op == nir_texop_txb || instr->op == nir_texop_txl || instr->op == nir_texop_txd || instr->op == nir_texop_lod) for (unsigned chan = 0; chan < instr->coord_components; ++chan) coords[chan] = cast_type(bld_base, coords[chan], nir_type_float, 32); else if (instr->op == nir_texop_txf || instr->op == nir_texop_txf_ms) for (unsigned chan = 0; chan < instr->coord_components; ++chan) coords[chan] = cast_type(bld_base, coords[chan], nir_type_int, 32); if (instr->is_array && instr->sampler_dim == GLSL_SAMPLER_DIM_1D) { /* move layer coord for 1d arrays. */ coords[2] = coords[1]; coords[1] = coord_undef; } if (projector) { for (unsigned chan = 0; chan < instr->coord_components; ++chan) coords[chan] = lp_build_mul(&bld_base->base, coords[chan], projector); if (sample_key & LP_SAMPLER_SHADOW) coords[4] = lp_build_mul(&bld_base->base, coords[4], projector); } uint32_t base_index = 0; if (!texture_deref_instr) { int samp_src_index = nir_tex_instr_src_index(instr, nir_tex_src_sampler_handle); if (samp_src_index == -1) { base_index = instr->sampler_index; } } if (instr->op == nir_texop_txd) { sample_key |= LP_SAMPLER_LOD_DERIVATIVES << LP_SAMPLER_LOD_CONTROL_SHIFT; params.derivs = &derivs; if (bld_base->shader->info.stage == MESA_SHADER_FRAGMENT) { if (gallivm_perf & GALLIVM_PERF_NO_QUAD_LOD) lod_property = LP_SAMPLER_LOD_PER_ELEMENT; else lod_property = LP_SAMPLER_LOD_PER_QUAD; } else lod_property = LP_SAMPLER_LOD_PER_ELEMENT; } sample_key |= lod_property << LP_SAMPLER_LOD_PROPERTY_SHIFT; params.sample_key = sample_key; params.offsets = offsets; params.texture_index = base_index; params.sampler_index = base_index; params.coords = coords; params.texel = texel; params.lod = explicit_lod; params.ms_index = ms_index; bld_base->tex(bld_base, ¶ms); assign_dest(bld_base, &instr->dest, texel); } static void visit_ssa_undef(struct lp_build_nir_context *bld_base, const nir_ssa_undef_instr *instr) { unsigned num_components = instr->def.num_components; LLVMValueRef undef[NIR_MAX_VEC_COMPONENTS]; struct lp_build_context *undef_bld = get_int_bld(bld_base, true, instr->def.bit_size); for (unsigned i = 0; i < num_components; i++) undef[i] = LLVMGetUndef(undef_bld->vec_type); assign_ssa_dest(bld_base, &instr->def, undef); } static void visit_jump(struct lp_build_nir_context *bld_base, const nir_jump_instr *instr) { switch (instr->type) { case nir_jump_break: bld_base->break_stmt(bld_base); break; case nir_jump_continue: bld_base->continue_stmt(bld_base); break; default: unreachable("Unknown jump instr\n"); } } static void visit_deref(struct lp_build_nir_context *bld_base, nir_deref_instr *instr) { if (instr->mode != nir_var_mem_shared && instr->mode != nir_var_mem_global) return; LLVMValueRef result = NULL; switch(instr->deref_type) { case nir_deref_type_var: { struct hash_entry *entry = _mesa_hash_table_search(bld_base->vars, instr->var); result = entry->data; break; } default: unreachable("Unhandled deref_instr deref type"); } assign_ssa(bld_base, instr->dest.ssa.index, result); } static void visit_block(struct lp_build_nir_context *bld_base, nir_block *block) { nir_foreach_instr(instr, block) { switch (instr->type) { case nir_instr_type_alu: visit_alu(bld_base, nir_instr_as_alu(instr)); break; case nir_instr_type_load_const: visit_load_const(bld_base, nir_instr_as_load_const(instr)); break; case nir_instr_type_intrinsic: visit_intrinsic(bld_base, nir_instr_as_intrinsic(instr)); break; case nir_instr_type_tex: visit_tex(bld_base, nir_instr_as_tex(instr)); break; case nir_instr_type_phi: assert(0); break; case nir_instr_type_ssa_undef: visit_ssa_undef(bld_base, nir_instr_as_ssa_undef(instr)); break; case nir_instr_type_jump: visit_jump(bld_base, nir_instr_as_jump(instr)); break; case nir_instr_type_deref: visit_deref(bld_base, nir_instr_as_deref(instr)); break; default: fprintf(stderr, "Unknown NIR instr type: "); nir_print_instr(instr, stderr); fprintf(stderr, "\n"); abort(); } } } static void visit_if(struct lp_build_nir_context *bld_base, nir_if *if_stmt) { LLVMValueRef cond = get_src(bld_base, if_stmt->condition); bld_base->if_cond(bld_base, cond); visit_cf_list(bld_base, &if_stmt->then_list); if (!exec_list_is_empty(&if_stmt->else_list)) { bld_base->else_stmt(bld_base); visit_cf_list(bld_base, &if_stmt->else_list); } bld_base->endif_stmt(bld_base); } static void visit_loop(struct lp_build_nir_context *bld_base, nir_loop *loop) { bld_base->bgnloop(bld_base); visit_cf_list(bld_base, &loop->body); bld_base->endloop(bld_base); } static void visit_cf_list(struct lp_build_nir_context *bld_base, struct exec_list *list) { foreach_list_typed(nir_cf_node, node, node, list) { switch (node->type) { case nir_cf_node_block: visit_block(bld_base, nir_cf_node_as_block(node)); break; case nir_cf_node_if: visit_if(bld_base, nir_cf_node_as_if(node)); break; case nir_cf_node_loop: visit_loop(bld_base, nir_cf_node_as_loop(node)); break; default: assert(0); } } } static void handle_shader_output_decl(struct lp_build_nir_context *bld_base, struct nir_shader *nir, struct nir_variable *variable) { bld_base->emit_var_decl(bld_base, variable); } /* vector registers are stored as arrays in LLVM side, so we can use GEP on them, as to do exec mask stores we need to operate on a single components. arrays are: 0.x, 1.x, 2.x, 3.x 0.y, 1.y, 2.y, 3.y .... */ static LLVMTypeRef get_register_type(struct lp_build_nir_context *bld_base, nir_register *reg) { struct lp_build_context *int_bld = get_int_bld(bld_base, true, reg->bit_size); LLVMTypeRef type = int_bld->vec_type; if (reg->num_array_elems) type = LLVMArrayType(type, reg->num_array_elems); if (reg->num_components > 1) type = LLVMArrayType(type, reg->num_components); return type; } bool lp_build_nir_llvm( struct lp_build_nir_context *bld_base, struct nir_shader *nir) { struct nir_function *func; nir_convert_from_ssa(nir, true); nir_lower_locals_to_regs(nir); nir_remove_dead_derefs(nir); nir_remove_dead_variables(nir, nir_var_function_temp); nir_foreach_variable(variable, &nir->outputs) handle_shader_output_decl(bld_base, nir, variable); bld_base->regs = _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal); bld_base->vars = _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal); func = (struct nir_function *)exec_list_get_head(&nir->functions); nir_foreach_register(reg, &func->impl->registers) { LLVMTypeRef type = get_register_type(bld_base, reg); LLVMValueRef reg_alloc = lp_build_alloca_undef(bld_base->base.gallivm, type, "reg"); _mesa_hash_table_insert(bld_base->regs, reg, reg_alloc); } nir_index_ssa_defs(func->impl); bld_base->ssa_defs = calloc(func->impl->ssa_alloc, sizeof(LLVMValueRef)); visit_cf_list(bld_base, &func->impl->body); free(bld_base->ssa_defs); ralloc_free(bld_base->vars); ralloc_free(bld_base->regs); return true; } /* do some basic opts to remove some things we don't want to see. */ void lp_build_opt_nir(struct nir_shader *nir) { bool progress; do { progress = false; NIR_PASS_V(nir, nir_opt_constant_folding); NIR_PASS_V(nir, nir_opt_algebraic); NIR_PASS_V(nir, nir_lower_pack); nir_lower_tex_options options = { .lower_tex_without_implicit_lod = true }; NIR_PASS_V(nir, nir_lower_tex, &options); } while (progress); nir_lower_bool_to_int32(nir); }