/* * HLSL parser * * Copyright 2008 Stefan Dösinger * Copyright 2012 Matteo Bruni for CodeWeavers * Copyright 2019-2020 Zebediah Figura for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ %code requires { #include "hlsl.h" #include #define HLSL_YYLTYPE struct vkd3d_shader_location struct parse_fields { struct hlsl_struct_field *fields; size_t count, capacity; }; struct parse_parameter { struct hlsl_type *type; const char *name; struct hlsl_semantic semantic; struct hlsl_reg_reservation reg_reservation; unsigned int modifiers; }; struct parse_colon_attribute { struct hlsl_semantic semantic; struct hlsl_reg_reservation reg_reservation; }; struct parse_initializer { struct hlsl_ir_node **args; unsigned int args_count; struct list *instrs; bool braces; }; struct parse_array_sizes { uint32_t *sizes; /* innermost first */ unsigned int count; }; struct parse_variable_def { struct list entry; struct vkd3d_shader_location loc; char *name; struct parse_array_sizes arrays; struct hlsl_semantic semantic; struct hlsl_reg_reservation reg_reservation; struct parse_initializer initializer; }; struct parse_function { struct hlsl_ir_function_decl *decl; struct hlsl_func_parameters parameters; struct hlsl_semantic return_semantic; bool first; }; struct parse_if_body { struct list *then_instrs; struct list *else_instrs; }; enum parse_assign_op { ASSIGN_OP_ASSIGN, ASSIGN_OP_ADD, ASSIGN_OP_SUB, ASSIGN_OP_MUL, ASSIGN_OP_DIV, ASSIGN_OP_MOD, ASSIGN_OP_LSHIFT, ASSIGN_OP_RSHIFT, ASSIGN_OP_AND, ASSIGN_OP_OR, ASSIGN_OP_XOR, }; struct parse_attribute_list { unsigned int count; const struct hlsl_attribute **attrs; }; } %code provides { int yylex(HLSL_YYSTYPE *yylval_param, HLSL_YYLTYPE *yylloc_param, void *yyscanner); } %code { #define YYLLOC_DEFAULT(cur, rhs, n) (cur) = YYRHSLOC(rhs, !!n) static void yyerror(YYLTYPE *loc, void *scanner, struct hlsl_ctx *ctx, const char *s) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_SYNTAX, "%s", s); } static struct hlsl_ir_node *node_from_list(struct list *list) { return LIST_ENTRY(list_tail(list), struct hlsl_ir_node, entry); } static struct list *make_empty_list(struct hlsl_ctx *ctx) { struct list *list; if ((list = hlsl_alloc(ctx, sizeof(*list)))) list_init(list); return list; } static void destroy_instr_list(struct list *list) { hlsl_free_instr_list(list); vkd3d_free(list); } static bool hlsl_types_are_componentwise_compatible(struct hlsl_ctx *ctx, struct hlsl_type *src, struct hlsl_type *dst) { unsigned int k, count = hlsl_type_component_count(dst); if (count > hlsl_type_component_count(src)) return false; for (k = 0; k < count; ++k) { struct hlsl_type *src_comp_type, *dst_comp_type; src_comp_type = hlsl_type_get_component_type(ctx, src, k); dst_comp_type = hlsl_type_get_component_type(ctx, dst, k); if ((src_comp_type->class != HLSL_CLASS_SCALAR || dst_comp_type->class != HLSL_CLASS_SCALAR) && !hlsl_types_are_equal(src_comp_type, dst_comp_type)) return false; } return true; } static bool hlsl_types_are_componentwise_equal(struct hlsl_ctx *ctx, struct hlsl_type *src, struct hlsl_type *dst) { unsigned int k, count = hlsl_type_component_count(src); if (count != hlsl_type_component_count(dst)) return false; for (k = 0; k < count; ++k) { struct hlsl_type *src_comp_type, *dst_comp_type; src_comp_type = hlsl_type_get_component_type(ctx, src, k); dst_comp_type = hlsl_type_get_component_type(ctx, dst, k); if (!hlsl_types_are_equal(src_comp_type, dst_comp_type)) return false; } return true; } static bool type_contains_only_numerics(struct hlsl_type *type) { unsigned int i; if (type->class == HLSL_CLASS_ARRAY) return type_contains_only_numerics(type->e.array.type); if (type->class == HLSL_CLASS_STRUCT) { for (i = 0; i < type->e.record.field_count; ++i) { if (!type_contains_only_numerics(type->e.record.fields[i].type)) return false; } return true; } return type->class <= HLSL_CLASS_LAST_NUMERIC; } static bool explicit_compatible_data_types(struct hlsl_ctx *ctx, struct hlsl_type *src, struct hlsl_type *dst) { if (src->class <= HLSL_CLASS_LAST_NUMERIC && src->dimx == 1 && src->dimy == 1 && type_contains_only_numerics(dst)) return true; if (src->class == HLSL_CLASS_MATRIX && dst->class == HLSL_CLASS_MATRIX && src->dimx >= dst->dimx && src->dimy >= dst->dimy) return true; if ((src->class == HLSL_CLASS_MATRIX && src->dimx > 1 && src->dimy > 1) && hlsl_type_component_count(src) != hlsl_type_component_count(dst)) return false; if ((dst->class == HLSL_CLASS_MATRIX && dst->dimy > 1) && hlsl_type_component_count(src) != hlsl_type_component_count(dst)) return false; return hlsl_types_are_componentwise_compatible(ctx, src, dst); } static bool implicit_compatible_data_types(struct hlsl_ctx *ctx, struct hlsl_type *src, struct hlsl_type *dst) { if ((src->class <= HLSL_CLASS_LAST_NUMERIC) != (dst->class <= HLSL_CLASS_LAST_NUMERIC)) return false; if (src->class <= HLSL_CLASS_LAST_NUMERIC) { /* Scalar vars can be converted to any other numeric data type */ if (src->dimx == 1 && src->dimy == 1) return true; /* The other way around is true too */ if (dst->dimx == 1 && dst->dimy == 1) return true; if (src->class == HLSL_CLASS_MATRIX || dst->class == HLSL_CLASS_MATRIX) { if (src->class == HLSL_CLASS_MATRIX && dst->class == HLSL_CLASS_MATRIX) return src->dimx >= dst->dimx && src->dimy >= dst->dimy; /* Matrix-vector conversion is apparently allowed if they have * the same components count, or if the matrix is 1xN or Nx1 * and we are reducing the component count */ if (src->class == HLSL_CLASS_VECTOR || dst->class == HLSL_CLASS_VECTOR) { if (hlsl_type_component_count(src) == hlsl_type_component_count(dst)) return true; if ((src->class == HLSL_CLASS_VECTOR || src->dimx == 1 || src->dimy == 1) && (dst->class == HLSL_CLASS_VECTOR || dst->dimx == 1 || dst->dimy == 1)) return hlsl_type_component_count(src) >= hlsl_type_component_count(dst); } return false; } else { return src->dimx >= dst->dimx; } } return hlsl_types_are_componentwise_equal(ctx, src, dst); } static struct hlsl_ir_load *add_load_component(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *var_instr, unsigned int comp, const struct vkd3d_shader_location *loc); static struct hlsl_ir_node *add_cast(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *node, struct hlsl_type *dst_type, const struct vkd3d_shader_location *loc) { struct hlsl_type *src_type = node->data_type; struct hlsl_ir_expr *cast; if (hlsl_types_are_equal(src_type, dst_type)) return node; if (src_type->class > HLSL_CLASS_VECTOR || dst_type->class > HLSL_CLASS_VECTOR) { unsigned int src_comp_count = hlsl_type_component_count(src_type); unsigned int dst_comp_count = hlsl_type_component_count(dst_type); struct hlsl_deref var_deref; bool broadcast, matrix_cast; struct hlsl_ir_load *load; struct hlsl_ir_var *var; unsigned int dst_idx; broadcast = src_type->class <= HLSL_CLASS_LAST_NUMERIC && src_type->dimx == 1 && src_type->dimy == 1; matrix_cast = !broadcast && dst_comp_count != src_comp_count && src_type->class == HLSL_CLASS_MATRIX && dst_type->class == HLSL_CLASS_MATRIX; assert(src_comp_count >= dst_comp_count || broadcast); if (matrix_cast) { assert(dst_type->dimx <= src_type->dimx); assert(dst_type->dimy <= src_type->dimy); } if (!(var = hlsl_new_synthetic_var(ctx, "cast", dst_type, loc))) return NULL; hlsl_init_simple_deref_from_var(&var_deref, var); for (dst_idx = 0; dst_idx < dst_comp_count; ++dst_idx) { struct hlsl_type *dst_comp_type; struct hlsl_ir_store *store; struct hlsl_block block; unsigned int src_idx; if (broadcast) { src_idx = 0; } else if (matrix_cast) { unsigned int x = dst_idx % dst_type->dimx, y = dst_idx / dst_type->dimx; src_idx = y * src_type->dimx + x; } else { src_idx = dst_idx; } dst_comp_type = hlsl_type_get_component_type(ctx, dst_type, dst_idx); if (!(load = add_load_component(ctx, instrs, node, src_idx, loc))) return NULL; if (!(cast = hlsl_new_cast(ctx, &load->node, dst_comp_type, loc))) return NULL; list_add_tail(instrs, &cast->node.entry); if (!(store = hlsl_new_store_component(ctx, &block, &var_deref, dst_idx, &cast->node))) return NULL; list_move_tail(instrs, &block.instrs); } if (!(load = hlsl_new_var_load(ctx, var, *loc))) return NULL; list_add_tail(instrs, &load->node.entry); return &load->node; } else { if (!(cast = hlsl_new_cast(ctx, node, dst_type, loc))) return NULL; list_add_tail(instrs, &cast->node.entry); return &cast->node; } } static struct hlsl_ir_node *add_implicit_conversion(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *node, struct hlsl_type *dst_type, const struct vkd3d_shader_location *loc) { struct hlsl_type *src_type = node->data_type; if (hlsl_types_are_equal(src_type, dst_type)) return node; if (!implicit_compatible_data_types(ctx, src_type, dst_type)) { struct vkd3d_string_buffer *src_string, *dst_string; src_string = hlsl_type_to_string(ctx, src_type); dst_string = hlsl_type_to_string(ctx, dst_type); if (src_string && dst_string) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Can't implicitly convert from %s to %s.", src_string->buffer, dst_string->buffer); hlsl_release_string_buffer(ctx, src_string); hlsl_release_string_buffer(ctx, dst_string); return NULL; } if (dst_type->dimx * dst_type->dimy < src_type->dimx * src_type->dimy) hlsl_warning(ctx, loc, VKD3D_SHADER_WARNING_HLSL_IMPLICIT_TRUNCATION, "Implicit truncation of %s type.", src_type->class == HLSL_CLASS_VECTOR ? "vector" : "matrix"); return add_cast(ctx, instrs, node, dst_type, loc); } static DWORD add_modifiers(struct hlsl_ctx *ctx, DWORD modifiers, DWORD mod, const struct vkd3d_shader_location loc) { if (modifiers & mod) { struct vkd3d_string_buffer *string; if ((string = hlsl_modifiers_to_string(ctx, mod))) hlsl_error(ctx, &loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Modifier '%s' was already specified.", string->buffer); hlsl_release_string_buffer(ctx, string); return modifiers; } return modifiers | mod; } static bool append_conditional_break(struct hlsl_ctx *ctx, struct list *cond_list) { struct hlsl_ir_node *condition, *not; struct hlsl_ir_jump *jump; struct hlsl_ir_if *iff; /* E.g. "for (i = 0; ; ++i)". */ if (list_empty(cond_list)) return true; condition = node_from_list(cond_list); if (!(not = hlsl_new_unary_expr(ctx, HLSL_OP1_LOGIC_NOT, condition, condition->loc))) return false; list_add_tail(cond_list, ¬->entry); if (!(iff = hlsl_new_if(ctx, not, condition->loc))) return false; list_add_tail(cond_list, &iff->node.entry); if (!(jump = hlsl_new_jump(ctx, HLSL_IR_JUMP_BREAK, condition->loc))) return false; list_add_head(&iff->then_instrs.instrs, &jump->node.entry); return true; } enum loop_type { LOOP_FOR, LOOP_WHILE, LOOP_DO_WHILE }; static struct list *create_loop(struct hlsl_ctx *ctx, enum loop_type type, struct list *init, struct list *cond, struct list *iter, struct list *body, struct vkd3d_shader_location loc) { struct list *list = NULL; struct hlsl_ir_loop *loop = NULL; struct hlsl_ir_if *cond_jump = NULL; if (!(list = make_empty_list(ctx))) goto oom; if (init) list_move_head(list, init); if (!(loop = hlsl_new_loop(ctx, loc))) goto oom; list_add_tail(list, &loop->node.entry); if (!append_conditional_break(ctx, cond)) goto oom; if (type != LOOP_DO_WHILE) list_move_tail(&loop->body.instrs, cond); list_move_tail(&loop->body.instrs, body); if (iter) list_move_tail(&loop->body.instrs, iter); if (type == LOOP_DO_WHILE) list_move_tail(&loop->body.instrs, cond); vkd3d_free(init); vkd3d_free(cond); vkd3d_free(body); return list; oom: vkd3d_free(loop); vkd3d_free(cond_jump); vkd3d_free(list); destroy_instr_list(init); destroy_instr_list(cond); destroy_instr_list(iter); destroy_instr_list(body); return NULL; } static unsigned int initializer_size(const struct parse_initializer *initializer) { unsigned int count = 0, i; for (i = 0; i < initializer->args_count; ++i) { count += hlsl_type_component_count(initializer->args[i]->data_type); } return count; } static void free_parse_initializer(struct parse_initializer *initializer) { destroy_instr_list(initializer->instrs); vkd3d_free(initializer->args); } static struct hlsl_ir_swizzle *get_swizzle(struct hlsl_ctx *ctx, struct hlsl_ir_node *value, const char *swizzle, struct vkd3d_shader_location *loc) { unsigned int len = strlen(swizzle), component = 0; unsigned int i, set, swiz = 0; bool valid; if (value->data_type->class == HLSL_CLASS_MATRIX) { /* Matrix swizzle */ bool m_swizzle; unsigned int inc, x, y; if (len < 3 || swizzle[0] != '_') return NULL; m_swizzle = swizzle[1] == 'm'; inc = m_swizzle ? 4 : 3; if (len % inc || len > inc * 4) return NULL; for (i = 0; i < len; i += inc) { if (swizzle[i] != '_') return NULL; if (m_swizzle) { if (swizzle[i + 1] != 'm') return NULL; y = swizzle[i + 2] - '0'; x = swizzle[i + 3] - '0'; } else { y = swizzle[i + 1] - '1'; x = swizzle[i + 2] - '1'; } if (x >= value->data_type->dimx || y >= value->data_type->dimy) return NULL; swiz |= (y << 4 | x) << component * 8; component++; } return hlsl_new_swizzle(ctx, swiz, component, value, loc); } /* Vector swizzle */ if (len > 4) return NULL; for (set = 0; set < 2; ++set) { valid = true; component = 0; for (i = 0; i < len; ++i) { char c[2][4] = {{'x', 'y', 'z', 'w'}, {'r', 'g', 'b', 'a'}}; unsigned int s = 0; for (s = 0; s < 4; ++s) { if (swizzle[i] == c[set][s]) break; } if (s == 4) { valid = false; break; } if (s >= value->data_type->dimx) return NULL; swiz |= s << component * 2; component++; } if (valid) return hlsl_new_swizzle(ctx, swiz, component, value, loc); } return NULL; } static struct hlsl_ir_jump *add_return(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *return_value, struct vkd3d_shader_location loc) { struct hlsl_type *return_type = ctx->cur_function->return_type; struct hlsl_ir_jump *jump; if (ctx->cur_function->return_var) { if (return_value) { struct hlsl_ir_store *store; if (!(return_value = add_implicit_conversion(ctx, instrs, return_value, return_type, &loc))) return NULL; if (!(store = hlsl_new_simple_store(ctx, ctx->cur_function->return_var, return_value))) return NULL; list_add_after(&return_value->entry, &store->node.entry); } else { hlsl_error(ctx, &loc, VKD3D_SHADER_ERROR_HLSL_INVALID_RETURN, "Non-void functions must return a value."); return NULL; } } else { if (return_value) hlsl_error(ctx, &loc, VKD3D_SHADER_ERROR_HLSL_INVALID_RETURN, "Void functions cannot return a value."); } if (!(jump = hlsl_new_jump(ctx, HLSL_IR_JUMP_RETURN, loc))) return NULL; list_add_tail(instrs, &jump->node.entry); return jump; } static struct hlsl_ir_load *add_load_index(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *var_instr, struct hlsl_ir_node *idx, const struct vkd3d_shader_location *loc) { const struct hlsl_deref *src; struct hlsl_ir_load *load; if (var_instr->type == HLSL_IR_LOAD) { src = &hlsl_ir_load(var_instr)->src; } else { struct hlsl_ir_store *store; struct hlsl_ir_var *var; if (!(var = hlsl_new_synthetic_var(ctx, "deref", var_instr->data_type, &var_instr->loc))) return NULL; if (!(store = hlsl_new_simple_store(ctx, var, var_instr))) return NULL; list_add_tail(instrs, &store->node.entry); src = &store->lhs; } if (!(load = hlsl_new_load_index(ctx, src, idx, loc))) return NULL; list_add_tail(instrs, &load->node.entry); return load; } static struct hlsl_ir_load *add_load_component(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *var_instr, unsigned int comp, const struct vkd3d_shader_location *loc) { const struct hlsl_deref *src; struct hlsl_ir_load *load; struct hlsl_block block; if (var_instr->type == HLSL_IR_LOAD) { src = &hlsl_ir_load(var_instr)->src; } else { struct hlsl_ir_store *store; struct hlsl_ir_var *var; if (!(var = hlsl_new_synthetic_var(ctx, "deref", var_instr->data_type, &var_instr->loc))) return NULL; if (!(store = hlsl_new_simple_store(ctx, var, var_instr))) return NULL; list_add_tail(instrs, &store->node.entry); src = &store->lhs; } if (!(load = hlsl_new_load_component(ctx, &block, src, comp, loc))) return NULL; list_move_tail(instrs, &block.instrs); return load; } static bool add_record_load(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *record, unsigned int idx, const struct vkd3d_shader_location loc) { struct hlsl_ir_constant *c; assert(idx < record->data_type->e.record.field_count); if (!(c = hlsl_new_uint_constant(ctx, idx, &loc))) return false; list_add_tail(instrs, &c->node.entry); return !!add_load_index(ctx, instrs, record, &c->node, &loc); } static struct hlsl_ir_node *add_binary_arithmetic_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc); static bool add_matrix_index(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *matrix, struct hlsl_ir_node *index, const struct vkd3d_shader_location *loc) { struct hlsl_type *mat_type = matrix->data_type, *ret_type; struct hlsl_deref var_deref; struct hlsl_ir_load *load; struct hlsl_ir_var *var; unsigned int i; if (hlsl_type_is_row_major(mat_type)) return add_load_index(ctx, instrs, matrix, index, loc); ret_type = hlsl_get_vector_type(ctx, mat_type->base_type, mat_type->dimx); if (!(var = hlsl_new_synthetic_var(ctx, "index", ret_type, loc))) return false; hlsl_init_simple_deref_from_var(&var_deref, var); for (i = 0; i < mat_type->dimx; ++i) { struct hlsl_ir_load *column, *value; struct hlsl_ir_store *store; struct hlsl_ir_constant *c; struct hlsl_block block; if (!(c = hlsl_new_uint_constant(ctx, i, loc))) return false; list_add_tail(instrs, &c->node.entry); if (!(column = add_load_index(ctx, instrs, matrix, &c->node, loc))) return false; if (!(value = add_load_index(ctx, instrs, &column->node, index, loc))) return false; if (!(store = hlsl_new_store_component(ctx, &block, &var_deref, i, &value->node))) return false; list_move_tail(instrs, &block.instrs); } if (!(load = hlsl_new_var_load(ctx, var, *loc))) return false; list_add_tail(instrs, &load->node.entry); return true; } static struct hlsl_ir_node *add_zero_mipmap_level(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *index, unsigned int dim_count, const struct vkd3d_shader_location *loc) { struct hlsl_ir_load *coords_load; struct hlsl_deref coords_deref; struct hlsl_ir_constant *zero; struct hlsl_ir_store *store; struct hlsl_ir_var *coords; if (!(coords = hlsl_new_synthetic_var(ctx, "coords", hlsl_get_vector_type(ctx, HLSL_TYPE_UINT, dim_count + 1), loc))) return NULL; hlsl_init_simple_deref_from_var(&coords_deref, coords); if (!(store = hlsl_new_store_index(ctx, &coords_deref, NULL, index, (1u << dim_count) - 1, loc))) return NULL; list_add_tail(instrs, &store->node.entry); if (!(zero = hlsl_new_uint_constant(ctx, 0, loc))) return NULL; list_add_tail(instrs, &zero->node.entry); if (!(store = hlsl_new_store_index(ctx, &coords_deref, NULL, &zero->node, 1u << dim_count, loc))) return NULL; list_add_tail(instrs, &store->node.entry); if (!(coords_load = hlsl_new_var_load(ctx, coords, *loc))) return NULL; list_add_tail(instrs, &coords_load->node.entry); return &coords_load->node; } static bool add_array_load(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *array, struct hlsl_ir_node *index, const struct vkd3d_shader_location *loc) { const struct hlsl_type *expr_type = array->data_type, *index_type = index->data_type; struct hlsl_ir_expr *cast; if (expr_type->class == HLSL_CLASS_OBJECT && (expr_type->base_type == HLSL_TYPE_TEXTURE || expr_type->base_type == HLSL_TYPE_UAV) && expr_type->sampler_dim != HLSL_SAMPLER_DIM_GENERIC) { struct hlsl_resource_load_params load_params = {.type = HLSL_RESOURCE_LOAD}; unsigned int dim_count = hlsl_sampler_dim_count(expr_type->sampler_dim); /* Only HLSL_IR_LOAD can return an object. */ struct hlsl_ir_load *object_load = hlsl_ir_load(array); struct hlsl_ir_resource_load *resource_load; if (index_type->class > HLSL_CLASS_VECTOR || index_type->dimx != dim_count) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, expr_type))) hlsl_error(ctx, &index->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Array index of type '%s' must be of type 'uint%u'.", string->buffer, dim_count); hlsl_release_string_buffer(ctx, string); return false; } if (!(index = add_implicit_conversion(ctx, instrs, index, hlsl_get_vector_type(ctx, HLSL_TYPE_UINT, dim_count), &index->loc))) return false; if (!(index = add_zero_mipmap_level(ctx, instrs, index, dim_count, loc))) return false; load_params.format = expr_type->e.resource_format; load_params.resource = object_load->src; load_params.coords = index; if (!(resource_load = hlsl_new_resource_load(ctx, &load_params, loc))) return false; list_add_tail(instrs, &resource_load->node.entry); return true; } if (index_type->class != HLSL_CLASS_SCALAR) { hlsl_error(ctx, &index->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Array index is not scalar."); return false; } if (!(cast = hlsl_new_cast(ctx, index, hlsl_get_scalar_type(ctx, HLSL_TYPE_UINT), &index->loc))) return false; list_add_tail(instrs, &cast->node.entry); index = &cast->node; if (expr_type->class == HLSL_CLASS_MATRIX) return add_matrix_index(ctx, instrs, array, index, loc); if (expr_type->class != HLSL_CLASS_ARRAY && expr_type->class != HLSL_CLASS_VECTOR) { if (expr_type->class == HLSL_CLASS_SCALAR) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_INDEX, "Scalar expressions cannot be array-indexed."); else hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_INDEX, "Expression cannot be array-indexed."); return false; } if (!add_load_index(ctx, instrs, array, index, loc)) return false; return true; } static const struct hlsl_struct_field *get_struct_field(const struct hlsl_struct_field *fields, size_t count, const char *name) { size_t i; for (i = 0; i < count; ++i) { if (!strcmp(fields[i].name, name)) return &fields[i]; } return NULL; } static struct hlsl_type *apply_type_modifiers(struct hlsl_ctx *ctx, struct hlsl_type *type, unsigned int *modifiers, bool force_majority, const struct vkd3d_shader_location *loc) { unsigned int default_majority = 0; struct hlsl_type *new_type; if (!(*modifiers & HLSL_MODIFIERS_MAJORITY_MASK) && !(type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK) && type->class == HLSL_CLASS_MATRIX) { if (!(default_majority = ctx->matrix_majority) && force_majority) default_majority = HLSL_MODIFIER_COLUMN_MAJOR; } else if (type->class != HLSL_CLASS_MATRIX && (*modifiers & HLSL_MODIFIERS_MAJORITY_MASK)) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "'row_major' and 'column_major' modifiers are only allowed for matrices."); } if (!default_majority && !(*modifiers & HLSL_TYPE_MODIFIERS_MASK)) return type; if (!(new_type = hlsl_type_clone(ctx, type, default_majority, *modifiers & HLSL_TYPE_MODIFIERS_MASK))) return NULL; *modifiers &= ~HLSL_TYPE_MODIFIERS_MASK; if ((new_type->modifiers & HLSL_MODIFIER_ROW_MAJOR) && (new_type->modifiers & HLSL_MODIFIER_COLUMN_MAJOR)) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "'row_major' and 'column_major' modifiers are mutually exclusive."); return new_type; } static void free_parse_variable_def(struct parse_variable_def *v) { free_parse_initializer(&v->initializer); vkd3d_free(v->arrays.sizes); vkd3d_free(v->name); hlsl_cleanup_semantic(&v->semantic); vkd3d_free(v); } static bool shader_is_sm_5_1(const struct hlsl_ctx *ctx) { return ctx->profile->major_version == 5 && ctx->profile->minor_version >= 1; } static bool gen_struct_fields(struct hlsl_ctx *ctx, struct parse_fields *fields, struct hlsl_type *type, unsigned int modifiers, struct list *defs) { struct parse_variable_def *v, *v_next; size_t i = 0; if (type->class == HLSL_CLASS_MATRIX) assert(type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK); memset(fields, 0, sizeof(*fields)); fields->count = list_count(defs); if (!hlsl_array_reserve(ctx, (void **)&fields->fields, &fields->capacity, fields->count, sizeof(*fields->fields))) return false; LIST_FOR_EACH_ENTRY_SAFE(v, v_next, defs, struct parse_variable_def, entry) { struct hlsl_struct_field *field = &fields->fields[i++]; bool unbounded_res_array = false; unsigned int k; field->type = type; if (shader_is_sm_5_1(ctx) && type->class == HLSL_CLASS_OBJECT) { for (k = 0; k < v->arrays.count; ++k) unbounded_res_array |= (v->arrays.sizes[k] == HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT); } if (unbounded_res_array) { if (v->arrays.count == 1) { hlsl_fixme(ctx, &v->loc, "Unbounded resource arrays as struct fields."); free_parse_variable_def(v); vkd3d_free(field); continue; } else { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Unbounded resource arrays cannot be multi-dimensional."); } } else { for (k = 0; k < v->arrays.count; ++k) { if (v->arrays.sizes[k] == HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Implicit size arrays not allowed in struct fields."); } field->type = hlsl_new_array_type(ctx, field->type, v->arrays.sizes[k]); } } vkd3d_free(v->arrays.sizes); field->loc = v->loc; field->name = v->name; field->semantic = v->semantic; field->storage_modifiers = modifiers; if (v->initializer.args_count) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_SYNTAX, "Illegal initializer on a struct field."); free_parse_initializer(&v->initializer); } vkd3d_free(v); } vkd3d_free(defs); return true; } static bool add_typedef(struct hlsl_ctx *ctx, struct hlsl_type *const orig_type, struct list *list) { struct parse_variable_def *v, *v_next; struct hlsl_type *type; unsigned int i; bool ret; LIST_FOR_EACH_ENTRY_SAFE(v, v_next, list, struct parse_variable_def, entry) { if (!v->arrays.count) { if (!(type = hlsl_type_clone(ctx, orig_type, 0, 0))) { free_parse_variable_def(v); continue; } } else { unsigned int var_modifiers = 0; if (!(type = apply_type_modifiers(ctx, orig_type, &var_modifiers, true, &v->loc))) { free_parse_variable_def(v); continue; } } ret = true; for (i = 0; i < v->arrays.count; ++i) { if (v->arrays.sizes[i] == HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Implicit size arrays not allowed in typedefs."); } if (!(type = hlsl_new_array_type(ctx, type, v->arrays.sizes[i]))) { free_parse_variable_def(v); ret = false; break; } } if (!ret) continue; vkd3d_free(v->arrays.sizes); vkd3d_free((void *)type->name); type->name = v->name; ret = hlsl_scope_add_type(ctx->cur_scope, type); if (!ret) hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "Type '%s' is already defined.", v->name); free_parse_initializer(&v->initializer); vkd3d_free(v); } vkd3d_free(list); return true; } static bool add_func_parameter(struct hlsl_ctx *ctx, struct hlsl_func_parameters *parameters, struct parse_parameter *param, const struct vkd3d_shader_location loc) { struct hlsl_ir_var *var; if (param->type->class == HLSL_CLASS_MATRIX) assert(param->type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK); if ((param->modifiers & HLSL_STORAGE_OUT) && (param->modifiers & HLSL_STORAGE_UNIFORM)) hlsl_error(ctx, &loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Parameter '%s' is declared as both \"out\" and \"uniform\".", param->name); if (!(var = hlsl_new_var(ctx, param->name, param->type, loc, ¶m->semantic, param->modifiers, ¶m->reg_reservation))) return false; var->is_param = 1; if (!hlsl_add_var(ctx, var, false)) { hlsl_free_var(var); return false; } if (!hlsl_array_reserve(ctx, (void **)¶meters->vars, ¶meters->capacity, parameters->count + 1, sizeof(*parameters->vars))) return false; parameters->vars[parameters->count++] = var; return true; } static struct hlsl_reg_reservation parse_reg_reservation(const char *reg_string) { struct hlsl_reg_reservation reservation = {0}; if (!sscanf(reg_string + 1, "%u", &reservation.index)) { FIXME("Unsupported register reservation syntax.\n"); return reservation; } reservation.type = reg_string[0]; return reservation; } static struct hlsl_ir_function_decl *get_func_decl(struct rb_tree *funcs, const char *name, const struct hlsl_func_parameters *parameters) { struct hlsl_ir_function *func; struct rb_entry *entry; if ((entry = rb_get(funcs, name))) { func = RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry); if ((entry = rb_get(&func->overloads, parameters))) return RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry); } return NULL; } static struct list *make_list(struct hlsl_ctx *ctx, struct hlsl_ir_node *node) { struct list *list; if (!(list = make_empty_list(ctx))) { hlsl_free_instr(node); return NULL; } list_add_tail(list, &node->entry); return list; } static unsigned int evaluate_static_expression(struct hlsl_ir_node *node) { if (node->data_type->class != HLSL_CLASS_SCALAR) return 0; switch (node->type) { case HLSL_IR_CONSTANT: { struct hlsl_ir_constant *constant = hlsl_ir_constant(node); const union hlsl_constant_value *value = &constant->value[0]; switch (constant->node.data_type->base_type) { case HLSL_TYPE_UINT: return value->u; case HLSL_TYPE_INT: return value->i; case HLSL_TYPE_FLOAT: case HLSL_TYPE_HALF: return value->f; case HLSL_TYPE_DOUBLE: return value->d; case HLSL_TYPE_BOOL: return !!value->u; default: vkd3d_unreachable(); } } case HLSL_IR_EXPR: case HLSL_IR_LOAD: case HLSL_IR_RESOURCE_LOAD: case HLSL_IR_SWIZZLE: FIXME("Unhandled type %s.\n", hlsl_node_type_to_string(node->type)); return 0; case HLSL_IR_CALL: case HLSL_IR_IF: case HLSL_IR_JUMP: case HLSL_IR_LOOP: case HLSL_IR_RESOURCE_STORE: case HLSL_IR_STORE: vkd3d_unreachable(); } vkd3d_unreachable(); } static bool expr_compatible_data_types(struct hlsl_type *t1, struct hlsl_type *t2) { if (t1->base_type > HLSL_TYPE_LAST_SCALAR || t2->base_type > HLSL_TYPE_LAST_SCALAR) return false; /* Scalar vars can be converted to pretty much everything */ if ((t1->dimx == 1 && t1->dimy == 1) || (t2->dimx == 1 && t2->dimy == 1)) return true; if (t1->class == HLSL_CLASS_VECTOR && t2->class == HLSL_CLASS_VECTOR) return true; if (t1->class == HLSL_CLASS_MATRIX || t2->class == HLSL_CLASS_MATRIX) { /* Matrix-vector conversion is apparently allowed if either they have the same components count or the matrix is nx1 or 1xn */ if (t1->class == HLSL_CLASS_VECTOR || t2->class == HLSL_CLASS_VECTOR) { if (hlsl_type_component_count(t1) == hlsl_type_component_count(t2)) return true; return (t1->class == HLSL_CLASS_MATRIX && (t1->dimx == 1 || t1->dimy == 1)) || (t2->class == HLSL_CLASS_MATRIX && (t2->dimx == 1 || t2->dimy == 1)); } /* Both matrices */ if ((t1->dimx >= t2->dimx && t1->dimy >= t2->dimy) || (t1->dimx <= t2->dimx && t1->dimy <= t2->dimy)) return true; } return false; } static enum hlsl_base_type expr_common_base_type(enum hlsl_base_type t1, enum hlsl_base_type t2) { if (t1 > HLSL_TYPE_LAST_SCALAR || t2 > HLSL_TYPE_LAST_SCALAR) { FIXME("Unexpected base type.\n"); return HLSL_TYPE_FLOAT; } if (t1 == t2) return t1 == HLSL_TYPE_BOOL ? HLSL_TYPE_INT : t1; if (t1 == HLSL_TYPE_DOUBLE || t2 == HLSL_TYPE_DOUBLE) return HLSL_TYPE_DOUBLE; if (t1 == HLSL_TYPE_FLOAT || t2 == HLSL_TYPE_FLOAT || t1 == HLSL_TYPE_HALF || t2 == HLSL_TYPE_HALF) return HLSL_TYPE_FLOAT; if (t1 == HLSL_TYPE_UINT || t2 == HLSL_TYPE_UINT) return HLSL_TYPE_UINT; return HLSL_TYPE_INT; } static bool expr_common_shape(struct hlsl_ctx *ctx, struct hlsl_type *t1, struct hlsl_type *t2, const struct vkd3d_shader_location *loc, enum hlsl_type_class *type, unsigned int *dimx, unsigned int *dimy) { if (t1->class > HLSL_CLASS_LAST_NUMERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, t1))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Expression of type \"%s\" cannot be used in a numeric expression.", string->buffer); hlsl_release_string_buffer(ctx, string); return false; } if (t2->class > HLSL_CLASS_LAST_NUMERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, t2))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Expression of type \"%s\" cannot be used in a numeric expression.", string->buffer); hlsl_release_string_buffer(ctx, string); return false; } if (!expr_compatible_data_types(t1, t2)) { struct vkd3d_string_buffer *t1_string = hlsl_type_to_string(ctx, t1); struct vkd3d_string_buffer *t2_string = hlsl_type_to_string(ctx, t2); if (t1_string && t2_string) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Expression data types \"%s\" and \"%s\" are incompatible.", t1_string->buffer, t2_string->buffer); hlsl_release_string_buffer(ctx, t1_string); hlsl_release_string_buffer(ctx, t2_string); return false; } if (t1->dimx == 1 && t1->dimy == 1) { *type = t2->class; *dimx = t2->dimx; *dimy = t2->dimy; } else if (t2->dimx == 1 && t2->dimy == 1) { *type = t1->class; *dimx = t1->dimx; *dimy = t1->dimy; } else if (t1->class == HLSL_CLASS_MATRIX && t2->class == HLSL_CLASS_MATRIX) { *type = HLSL_CLASS_MATRIX; *dimx = min(t1->dimx, t2->dimx); *dimy = min(t1->dimy, t2->dimy); } else { if (t1->dimx * t1->dimy <= t2->dimx * t2->dimy) { *type = t1->class; *dimx = t1->dimx; *dimy = t1->dimy; } else { *type = t2->class; *dimx = t2->dimx; *dimy = t2->dimy; } } return true; } static struct hlsl_ir_node *add_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *operands[HLSL_MAX_OPERANDS], struct hlsl_type *type, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *expr; unsigned int i; if (type->class == HLSL_CLASS_MATRIX) { struct hlsl_type *vector_type; struct hlsl_deref var_deref; struct hlsl_ir_load *load; struct hlsl_ir_var *var; vector_type = hlsl_get_vector_type(ctx, type->base_type, hlsl_type_minor_size(type)); if (!(var = hlsl_new_synthetic_var(ctx, "split_op", type, loc))) return NULL; hlsl_init_simple_deref_from_var(&var_deref, var); for (i = 0; i < hlsl_type_major_size(type); ++i) { struct hlsl_ir_node *value, *vector_operands[HLSL_MAX_OPERANDS] = { NULL }; struct hlsl_ir_store *store; struct hlsl_ir_constant *c; unsigned int j; if (!(c = hlsl_new_uint_constant(ctx, i, loc))) return NULL; list_add_tail(instrs, &c->node.entry); for (j = 0; j < HLSL_MAX_OPERANDS; j++) { if (operands[j]) { struct hlsl_ir_load *load; if (!(load = add_load_index(ctx, instrs, operands[j], &c->node, loc))) return NULL; vector_operands[j] = &load->node; } } if (!(value = add_expr(ctx, instrs, op, vector_operands, vector_type, loc))) return NULL; if (!(store = hlsl_new_store_index(ctx, &var_deref, &c->node, value, 0, loc))) return NULL; list_add_tail(instrs, &store->node.entry); } if (!(load = hlsl_new_var_load(ctx, var, *loc))) return NULL; list_add_tail(instrs, &load->node.entry); return &load->node; } if (!(expr = hlsl_new_expr(ctx, op, operands, type, loc))) return NULL; list_add_tail(instrs, &expr->entry); return expr; } static void check_integer_type(struct hlsl_ctx *ctx, const struct hlsl_ir_node *instr) { const struct hlsl_type *type = instr->data_type; struct vkd3d_string_buffer *string; switch (type->base_type) { case HLSL_TYPE_BOOL: case HLSL_TYPE_INT: case HLSL_TYPE_UINT: break; default: if ((string = hlsl_type_to_string(ctx, type))) hlsl_error(ctx, &instr->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Expression type '%s' is not integer.", string->buffer); hlsl_release_string_buffer(ctx, string); break; } } static struct hlsl_ir_node *add_unary_arithmetic_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {arg}; return add_expr(ctx, instrs, op, args, arg->data_type, loc); } static struct hlsl_ir_node *add_unary_bitwise_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg, const struct vkd3d_shader_location *loc) { check_integer_type(ctx, arg); return add_unary_arithmetic_expr(ctx, instrs, op, arg, loc); } static struct hlsl_ir_node *add_unary_logical_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0}; struct hlsl_type *bool_type; bool_type = hlsl_get_numeric_type(ctx, arg->data_type->class, HLSL_TYPE_BOOL, arg->data_type->dimx, arg->data_type->dimy); if (!(args[0] = add_implicit_conversion(ctx, instrs, arg, bool_type, loc))) return NULL; return add_expr(ctx, instrs, op, args, bool_type, loc); } static struct hlsl_ir_node *add_binary_arithmetic_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc) { struct hlsl_type *common_type; enum hlsl_base_type base = expr_common_base_type(arg1->data_type->base_type, arg2->data_type->base_type); enum hlsl_type_class type; unsigned int dimx, dimy; struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0}; if (!expr_common_shape(ctx, arg1->data_type, arg2->data_type, loc, &type, &dimx, &dimy)) return NULL; common_type = hlsl_get_numeric_type(ctx, type, base, dimx, dimy); if (!(args[0] = add_implicit_conversion(ctx, instrs, arg1, common_type, loc))) return NULL; if (!(args[1] = add_implicit_conversion(ctx, instrs, arg2, common_type, loc))) return NULL; return add_expr(ctx, instrs, op, args, common_type, loc); } static struct list *add_binary_arithmetic_expr_merge(struct hlsl_ctx *ctx, struct list *list1, struct list *list2, enum hlsl_ir_expr_op op, struct vkd3d_shader_location loc) { struct hlsl_ir_node *arg1 = node_from_list(list1), *arg2 = node_from_list(list2); list_move_tail(list1, list2); vkd3d_free(list2); add_binary_arithmetic_expr(ctx, list1, op, arg1, arg2, &loc); return list1; } static struct hlsl_ir_node *add_binary_bitwise_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc) { check_integer_type(ctx, arg1); check_integer_type(ctx, arg2); return add_binary_arithmetic_expr(ctx, instrs, op, arg1, arg2, loc); } static struct list *add_binary_bitwise_expr_merge(struct hlsl_ctx *ctx, struct list *list1, struct list *list2, enum hlsl_ir_expr_op op, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg1 = node_from_list(list1), *arg2 = node_from_list(list2); list_move_tail(list1, list2); vkd3d_free(list2); add_binary_bitwise_expr(ctx, list1, op, arg1, arg2, loc); return list1; } static struct hlsl_ir_node *add_binary_comparison_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc) { struct hlsl_type *common_type, *return_type; enum hlsl_base_type base = expr_common_base_type(arg1->data_type->base_type, arg2->data_type->base_type); enum hlsl_type_class type; unsigned int dimx, dimy; struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0}; if (!expr_common_shape(ctx, arg1->data_type, arg2->data_type, loc, &type, &dimx, &dimy)) return NULL; common_type = hlsl_get_numeric_type(ctx, type, base, dimx, dimy); return_type = hlsl_get_numeric_type(ctx, type, HLSL_TYPE_BOOL, dimx, dimy); if (!(args[0] = add_implicit_conversion(ctx, instrs, arg1, common_type, loc))) return NULL; if (!(args[1] = add_implicit_conversion(ctx, instrs, arg2, common_type, loc))) return NULL; return add_expr(ctx, instrs, op, args, return_type, loc); } static struct list *add_binary_comparison_expr_merge(struct hlsl_ctx *ctx, struct list *list1, struct list *list2, enum hlsl_ir_expr_op op, const struct vkd3d_shader_location loc) { struct hlsl_ir_node *arg1 = node_from_list(list1), *arg2 = node_from_list(list2); list_move_tail(list1, list2); vkd3d_free(list2); add_binary_comparison_expr(ctx, list1, op, arg1, arg2, &loc); return list1; } static struct hlsl_ir_node *add_binary_logical_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0}; struct hlsl_type *common_type; enum hlsl_type_class type; unsigned int dimx, dimy; if (!expr_common_shape(ctx, arg1->data_type, arg2->data_type, loc, &type, &dimx, &dimy)) return NULL; common_type = hlsl_get_numeric_type(ctx, type, HLSL_TYPE_BOOL, dimx, dimy); if (!(args[0] = add_implicit_conversion(ctx, instrs, arg1, common_type, loc))) return NULL; if (!(args[1] = add_implicit_conversion(ctx, instrs, arg2, common_type, loc))) return NULL; return add_expr(ctx, instrs, op, args, common_type, loc); } static struct list *add_binary_logical_expr_merge(struct hlsl_ctx *ctx, struct list *list1, struct list *list2, enum hlsl_ir_expr_op op, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg1 = node_from_list(list1), *arg2 = node_from_list(list2); list_move_tail(list1, list2); vkd3d_free(list2); add_binary_logical_expr(ctx, list1, op, arg1, arg2, loc); return list1; } static struct hlsl_ir_node *add_binary_shift_expr(struct hlsl_ctx *ctx, struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc) { enum hlsl_base_type base = arg1->data_type->base_type; struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0}; struct hlsl_type *return_type, *integer_type; enum hlsl_type_class type; unsigned int dimx, dimy; check_integer_type(ctx, arg1); check_integer_type(ctx, arg2); if (base == HLSL_TYPE_BOOL) base = HLSL_TYPE_INT; if (!expr_common_shape(ctx, arg1->data_type, arg2->data_type, loc, &type, &dimx, &dimy)) return NULL; return_type = hlsl_get_numeric_type(ctx, type, base, dimx, dimy); integer_type = hlsl_get_numeric_type(ctx, type, HLSL_TYPE_INT, dimx, dimy); if (!(args[0] = add_implicit_conversion(ctx, instrs, arg1, return_type, loc))) return NULL; if (!(args[1] = add_implicit_conversion(ctx, instrs, arg2, integer_type, loc))) return NULL; return add_expr(ctx, instrs, op, args, return_type, loc); } static struct list *add_binary_shift_expr_merge(struct hlsl_ctx *ctx, struct list *list1, struct list *list2, enum hlsl_ir_expr_op op, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg1 = node_from_list(list1), *arg2 = node_from_list(list2); list_move_tail(list1, list2); vkd3d_free(list2); add_binary_shift_expr(ctx, list1, op, arg1, arg2, loc); return list1; } static struct hlsl_ir_node *add_binary_dot_expr(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc) { enum hlsl_base_type base = expr_common_base_type(arg1->data_type->base_type, arg2->data_type->base_type); struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0}; struct hlsl_type *common_type, *ret_type; enum hlsl_ir_expr_op op; unsigned dim; if (arg1->data_type->class == HLSL_CLASS_MATRIX) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, arg1->data_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Invalid type %s.\n", string->buffer); hlsl_release_string_buffer(ctx, string); return NULL; } if (arg2->data_type->class == HLSL_CLASS_MATRIX) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, arg2->data_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Invalid type %s.\n", string->buffer); hlsl_release_string_buffer(ctx, string); return NULL; } if (arg1->data_type->class == HLSL_CLASS_SCALAR) dim = arg2->data_type->dimx; else if (arg2->data_type->class == HLSL_CLASS_SCALAR) dim = arg1->data_type->dimx; else dim = min(arg1->data_type->dimx, arg2->data_type->dimx); if (dim == 1) op = HLSL_OP2_MUL; else op = HLSL_OP2_DOT; common_type = hlsl_get_vector_type(ctx, base, dim); ret_type = hlsl_get_scalar_type(ctx, base); if (!(args[0] = add_implicit_conversion(ctx, instrs, arg1, common_type, loc))) return NULL; if (!(args[1] = add_implicit_conversion(ctx, instrs, arg2, common_type, loc))) return NULL; return add_expr(ctx, instrs, op, args, ret_type, loc); } static enum hlsl_ir_expr_op op_from_assignment(enum parse_assign_op op) { static const enum hlsl_ir_expr_op ops[] = { 0, HLSL_OP2_ADD, 0, HLSL_OP2_MUL, HLSL_OP2_DIV, HLSL_OP2_MOD, HLSL_OP2_LSHIFT, HLSL_OP2_RSHIFT, HLSL_OP2_BIT_AND, HLSL_OP2_BIT_OR, HLSL_OP2_BIT_XOR, }; return ops[op]; } static bool invert_swizzle(unsigned int *swizzle, unsigned int *writemask, unsigned int *ret_width) { unsigned int i, j, bit = 0, inverted = 0, width, new_writemask = 0, new_swizzle = 0; /* Apply the writemask to the swizzle to get a new writemask and swizzle. */ for (i = 0; i < 4; ++i) { if (*writemask & (1 << i)) { unsigned int s = (*swizzle >> (i * 2)) & 3; new_swizzle |= s << (bit++ * 2); if (new_writemask & (1 << s)) return false; new_writemask |= 1 << s; } } width = bit; /* Invert the swizzle. */ bit = 0; for (i = 0; i < 4; ++i) { for (j = 0; j < width; ++j) { unsigned int s = (new_swizzle >> (j * 2)) & 3; if (s == i) inverted |= j << (bit++ * 2); } } *swizzle = inverted; *writemask = new_writemask; *ret_width = width; return true; } static struct hlsl_ir_node *add_assignment(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *lhs, enum parse_assign_op assign_op, struct hlsl_ir_node *rhs) { struct hlsl_type *lhs_type = lhs->data_type; struct hlsl_ir_expr *copy; unsigned int writemask = 0; if (assign_op == ASSIGN_OP_SUB) { if (!(rhs = add_unary_arithmetic_expr(ctx, instrs, HLSL_OP1_NEG, rhs, &rhs->loc))) return NULL; assign_op = ASSIGN_OP_ADD; } if (assign_op != ASSIGN_OP_ASSIGN) { enum hlsl_ir_expr_op op = op_from_assignment(assign_op); assert(op); if (!(rhs = add_binary_arithmetic_expr(ctx, instrs, op, lhs, rhs, &rhs->loc))) return NULL; } if (lhs_type->class <= HLSL_CLASS_LAST_NUMERIC) writemask = (1 << lhs_type->dimx) - 1; if (!(rhs = add_implicit_conversion(ctx, instrs, rhs, lhs_type, &rhs->loc))) return NULL; while (lhs->type != HLSL_IR_LOAD && lhs->type != HLSL_IR_RESOURCE_LOAD) { if (lhs->type == HLSL_IR_EXPR && hlsl_ir_expr(lhs)->op == HLSL_OP1_CAST) { hlsl_fixme(ctx, &lhs->loc, "Cast on the LHS."); return NULL; } else if (lhs->type == HLSL_IR_SWIZZLE) { struct hlsl_ir_swizzle *swizzle = hlsl_ir_swizzle(lhs), *new_swizzle; unsigned int width, s = swizzle->swizzle; if (lhs->data_type->class == HLSL_CLASS_MATRIX) hlsl_fixme(ctx, &lhs->loc, "Matrix assignment with a writemask."); if (!invert_swizzle(&s, &writemask, &width)) { hlsl_error(ctx, &lhs->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_WRITEMASK, "Invalid writemask."); return NULL; } if (!(new_swizzle = hlsl_new_swizzle(ctx, s, width, rhs, &swizzle->node.loc))) { return NULL; } list_add_tail(instrs, &new_swizzle->node.entry); lhs = swizzle->val.node; rhs = &new_swizzle->node; } else { hlsl_error(ctx, &lhs->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_LVALUE, "Invalid lvalue."); return NULL; } } if (lhs->type == HLSL_IR_RESOURCE_LOAD) { struct hlsl_ir_resource_load *load = hlsl_ir_resource_load(lhs); struct hlsl_ir_resource_store *store; struct hlsl_type *resource_type; struct hlsl_ir_swizzle *coords; unsigned int dim_count; /* Such an lvalue was produced by an index expression. */ assert(load->load_type == HLSL_RESOURCE_LOAD); resource_type = hlsl_deref_get_type(ctx, &load->resource); assert(resource_type->class == HLSL_CLASS_OBJECT); assert(resource_type->base_type == HLSL_TYPE_TEXTURE || resource_type->base_type == HLSL_TYPE_UAV); if (resource_type->base_type != HLSL_TYPE_UAV) hlsl_error(ctx, &lhs->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Read-only resources cannot be stored to."); dim_count = hlsl_sampler_dim_count(resource_type->sampler_dim); if (writemask != ((1u << resource_type->e.resource_format->dimx) - 1)) hlsl_error(ctx, &lhs->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_WRITEMASK, "Resource store expressions must write to all components."); /* Remove the (implicit) mipmap level from the load expression. */ assert(load->coords.node->data_type->class == HLSL_CLASS_VECTOR); assert(load->coords.node->data_type->base_type == HLSL_TYPE_UINT); assert(load->coords.node->data_type->dimx == dim_count + 1); if (!(coords = hlsl_new_swizzle(ctx, HLSL_SWIZZLE(X, Y, Z, W), dim_count, load->coords.node, &lhs->loc))) return NULL; list_add_tail(instrs, &coords->node.entry); if (!(store = hlsl_new_resource_store(ctx, &load->resource, &coords->node, rhs, &lhs->loc))) return NULL; list_add_tail(instrs, &store->node.entry); } else { struct hlsl_ir_store *store; if (!(store = hlsl_new_store_index(ctx, &hlsl_ir_load(lhs)->src, NULL, rhs, writemask, &rhs->loc))) return NULL; list_add_tail(instrs, &store->node.entry); } /* Don't use the instruction itself as a source, as this makes structure * splitting easier. Instead copy it here. Since we retrieve sources from * the last instruction in the list, we do need to copy. */ if (!(copy = hlsl_new_copy(ctx, rhs))) return NULL; list_add_tail(instrs, ©->node.entry); return ©->node; } static bool add_increment(struct hlsl_ctx *ctx, struct list *instrs, bool decrement, bool post, struct vkd3d_shader_location loc) { struct hlsl_ir_node *lhs = node_from_list(instrs); struct hlsl_ir_constant *one; if (lhs->data_type->modifiers & HLSL_MODIFIER_CONST) hlsl_error(ctx, &loc, VKD3D_SHADER_ERROR_HLSL_MODIFIES_CONST, "Argument to %s%screment operator is const.", post ? "post" : "pre", decrement ? "de" : "in"); if (!(one = hlsl_new_int_constant(ctx, 1, &loc))) return false; list_add_tail(instrs, &one->node.entry); if (!add_assignment(ctx, instrs, lhs, decrement ? ASSIGN_OP_SUB : ASSIGN_OP_ADD, &one->node)) return false; if (post) { struct hlsl_ir_expr *copy; if (!(copy = hlsl_new_copy(ctx, lhs))) return false; list_add_tail(instrs, ©->node.entry); /* Post increment/decrement expressions are considered const. */ if (!(copy->node.data_type = hlsl_type_clone(ctx, copy->node.data_type, 0, HLSL_MODIFIER_CONST))) return false; } return true; } static void initialize_var_components(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_var *dst, unsigned int *store_index, struct hlsl_ir_node *src) { unsigned int src_comp_count = hlsl_type_component_count(src->data_type); struct hlsl_deref dst_deref; unsigned int k; hlsl_init_simple_deref_from_var(&dst_deref, dst); for (k = 0; k < src_comp_count; ++k) { struct hlsl_type *dst_comp_type; struct hlsl_ir_store *store; struct hlsl_ir_load *load; struct hlsl_ir_node *conv; struct hlsl_block block; if (!(load = add_load_component(ctx, instrs, src, k, &src->loc))) return; dst_comp_type = hlsl_type_get_component_type(ctx, dst->data_type, *store_index); if (!(conv = add_implicit_conversion(ctx, instrs, &load->node, dst_comp_type, &src->loc))) return; if (!(store = hlsl_new_store_component(ctx, &block, &dst_deref, *store_index, conv))) return; list_move_tail(instrs, &block.instrs); ++*store_index; } } static bool type_has_object_components(struct hlsl_type *type, bool must_be_in_struct) { if (type->class == HLSL_CLASS_OBJECT) return !must_be_in_struct; if (type->class == HLSL_CLASS_ARRAY) return type_has_object_components(type->e.array.type, must_be_in_struct); if (type->class == HLSL_CLASS_STRUCT) { unsigned int i; for (i = 0; i < type->e.record.field_count; ++i) { if (type_has_object_components(type->e.record.fields[i].type, false)) return true; } } return false; } static bool type_has_numeric_components(struct hlsl_type *type) { if (type->class <= HLSL_CLASS_LAST_NUMERIC) return true; if (type->class == HLSL_CLASS_ARRAY) return type_has_numeric_components(type->e.array.type); if (type->class == HLSL_CLASS_STRUCT) { unsigned int i; for (i = 0; i < type->e.record.field_count; ++i) { if (type_has_numeric_components(type->e.record.fields[i].type)) return true; } } return false; } static struct list *declare_vars(struct hlsl_ctx *ctx, struct hlsl_type *basic_type, unsigned int modifiers, const struct vkd3d_shader_location *modifiers_loc, struct list *var_list) { struct parse_variable_def *v, *v_next; struct hlsl_ir_function_decl *func; unsigned int invalid_modifiers; struct list *statements_list; struct hlsl_ir_var *var; struct hlsl_type *type; bool local = true; if (basic_type->class == HLSL_CLASS_MATRIX) assert(basic_type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK); if (!(statements_list = make_empty_list(ctx))) { LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry) free_parse_variable_def(v); vkd3d_free(var_list); return NULL; } if (!var_list) return statements_list; invalid_modifiers = modifiers & (HLSL_STORAGE_IN | HLSL_STORAGE_OUT); if (invalid_modifiers) { struct vkd3d_string_buffer *string; if ((string = hlsl_modifiers_to_string(ctx, invalid_modifiers))) hlsl_error(ctx, modifiers_loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Modifiers '%s' are not allowed on non-parameter variables.", string->buffer); hlsl_release_string_buffer(ctx, string); } LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry) { bool unbounded_res_array = false; unsigned int i; type = basic_type; if (shader_is_sm_5_1(ctx) && type->class == HLSL_CLASS_OBJECT) { for (i = 0; i < v->arrays.count; ++i) unbounded_res_array |= (v->arrays.sizes[i] == HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT); } if (unbounded_res_array) { if (v->arrays.count == 1) { hlsl_fixme(ctx, &v->loc, "Unbounded resource arrays."); free_parse_variable_def(v); continue; } else { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Unbounded resource arrays cannot be multi-dimensional."); } } else { for (i = 0; i < v->arrays.count; ++i) { if (v->arrays.sizes[i] == HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT) { unsigned int size = initializer_size(&v->initializer); unsigned int elem_components = hlsl_type_component_count(type); if (i < v->arrays.count - 1) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Only innermost array size can be implicit."); free_parse_initializer(&v->initializer); v->initializer.args_count = 0; } else if (elem_components == 0) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Cannot declare an implicit size array of a size 0 type."); free_parse_initializer(&v->initializer); v->initializer.args_count = 0; } else if (size == 0) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Implicit size arrays need to be initialized."); free_parse_initializer(&v->initializer); v->initializer.args_count = 0; } else if (size % elem_components != 0) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Cannot initialize implicit size array with %u components, expected a multiple of %u.", size, elem_components); free_parse_initializer(&v->initializer); v->initializer.args_count = 0; } else { v->arrays.sizes[i] = size / elem_components; } } type = hlsl_new_array_type(ctx, type, v->arrays.sizes[i]); } } vkd3d_free(v->arrays.sizes); if (!(var = hlsl_new_var(ctx, v->name, type, v->loc, &v->semantic, modifiers, &v->reg_reservation))) { free_parse_variable_def(v); continue; } var->buffer = ctx->cur_buffer; if (ctx->cur_scope == ctx->globals) { local = false; if ((modifiers & HLSL_STORAGE_UNIFORM) && (modifiers & HLSL_STORAGE_STATIC)) hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Variable '%s' is declared as both \"uniform\" and \"static\".", var->name); /* Mark it as uniform. We need to do this here since synthetic * variables also get put in the global scope, but shouldn't be * considered uniforms, and we have no way of telling otherwise. */ if (!(modifiers & HLSL_STORAGE_STATIC)) var->storage_modifiers |= HLSL_STORAGE_UNIFORM; if (ctx->profile->major_version < 5 && (var->storage_modifiers & HLSL_STORAGE_UNIFORM) && type_has_object_components(var->data_type, true)) { hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Target profile doesn't support objects as struct members in uniform variables.\n"); } if ((func = hlsl_get_func_decl(ctx, var->name))) { hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "'%s' is already defined as a function.", var->name); hlsl_note(ctx, &func->loc, VKD3D_SHADER_LOG_ERROR, "'%s' was previously defined here.", var->name); } } else { static const unsigned int invalid = HLSL_STORAGE_EXTERN | HLSL_STORAGE_SHARED | HLSL_STORAGE_GROUPSHARED | HLSL_STORAGE_UNIFORM; if (modifiers & invalid) { struct vkd3d_string_buffer *string; if ((string = hlsl_modifiers_to_string(ctx, modifiers & invalid))) hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Modifiers '%s' are not allowed on local variables.", string->buffer); hlsl_release_string_buffer(ctx, string); } if (var->semantic.name) hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_SEMANTIC, "Semantics are not allowed on local variables."); } if ((var->storage_modifiers & HLSL_STORAGE_STATIC) && type_has_numeric_components(var->data_type) && type_has_object_components(var->data_type, false)) { hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Static variables cannot have both numeric and resource components."); } if ((type->modifiers & HLSL_MODIFIER_CONST) && !v->initializer.args_count && !(modifiers & (HLSL_STORAGE_STATIC | HLSL_STORAGE_UNIFORM))) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_MISSING_INITIALIZER, "Const variable \"%s\" is missing an initializer.", var->name); hlsl_free_var(var); free_parse_initializer(&v->initializer); vkd3d_free(v); continue; } if (!hlsl_add_var(ctx, var, local)) { struct hlsl_ir_var *old = hlsl_get_var(ctx->cur_scope, var->name); hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "Variable \"%s\" was already declared in this scope.", var->name); hlsl_note(ctx, &old->loc, VKD3D_SHADER_LOG_ERROR, "\"%s\" was previously declared here.", old->name); hlsl_free_var(var); free_parse_initializer(&v->initializer); vkd3d_free(v); continue; } if (v->initializer.args_count) { if (v->initializer.braces) { unsigned int size = initializer_size(&v->initializer); unsigned int store_index = 0; unsigned int k; if (hlsl_type_component_count(type) != size) { hlsl_error(ctx, &v->loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Expected %u components in initializer, but got %u.", hlsl_type_component_count(type), size); free_parse_initializer(&v->initializer); vkd3d_free(v); continue; } for (k = 0; k < v->initializer.args_count; ++k) { initialize_var_components(ctx, v->initializer.instrs, var, &store_index, v->initializer.args[k]); } } else { struct hlsl_ir_load *load = hlsl_new_var_load(ctx, var, var->loc); assert(v->initializer.args_count == 1); list_add_tail(v->initializer.instrs, &load->node.entry); add_assignment(ctx, v->initializer.instrs, &load->node, ASSIGN_OP_ASSIGN, v->initializer.args[0]); } if (modifiers & HLSL_STORAGE_STATIC) list_move_tail(&ctx->static_initializers, v->initializer.instrs); else list_move_tail(statements_list, v->initializer.instrs); vkd3d_free(v->initializer.args); vkd3d_free(v->initializer.instrs); } else if (var->storage_modifiers & HLSL_STORAGE_STATIC) { struct hlsl_ir_constant *zero; struct hlsl_ir_store *store; struct hlsl_ir_node *cast; /* Initialize statics to zero by default. */ if (type_has_object_components(var->data_type, false)) { vkd3d_free(v); continue; } if (!(zero = hlsl_new_uint_constant(ctx, 0, &var->loc))) { vkd3d_free(v); continue; } list_add_tail(&ctx->static_initializers, &zero->node.entry); if (!(cast = add_cast(ctx, &ctx->static_initializers, &zero->node, var->data_type, &var->loc))) { vkd3d_free(v); continue; } if (!(store = hlsl_new_simple_store(ctx, var, cast))) { vkd3d_free(v); continue; } list_add_tail(&ctx->static_initializers, &store->node.entry); } vkd3d_free(v); } vkd3d_free(var_list); return statements_list; } struct find_function_call_args { struct hlsl_ctx *ctx; const struct parse_initializer *params; struct hlsl_ir_function_decl *decl; unsigned int compatible_overloads_count; }; static void find_function_call_exact(struct rb_entry *entry, void *context) { struct hlsl_ir_function_decl *decl = RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry); struct find_function_call_args *args = context; unsigned int i; if (decl->parameters.count != args->params->args_count) return; for (i = 0; i < decl->parameters.count; ++i) { if (!hlsl_types_are_equal(decl->parameters.vars[i]->data_type, args->params->args[i]->data_type)) return; } args->decl = decl; } static void find_function_call_compatible(struct rb_entry *entry, void *context) { struct hlsl_ir_function_decl *decl = RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry); struct find_function_call_args *args = context; unsigned int i; if (decl->parameters.count != args->params->args_count) return; for (i = 0; i < decl->parameters.count; ++i) { if (!implicit_compatible_data_types(args->ctx, args->params->args[i]->data_type, decl->parameters.vars[i]->data_type)) return; } args->compatible_overloads_count++; args->decl = decl; } static struct hlsl_ir_function_decl *find_function_call(struct hlsl_ctx *ctx, const char *name, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct find_function_call_args args = {.ctx = ctx, .params = params}; struct hlsl_ir_function *func; struct rb_entry *entry; if (!(entry = rb_get(&ctx->functions, name))) return NULL; func = RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry); rb_for_each_entry(&func->overloads, find_function_call_exact, &args); if (!args.decl) { rb_for_each_entry(&func->overloads, find_function_call_compatible, &args); if (args.compatible_overloads_count > 1) { hlsl_fixme(ctx, loc, "Prioritize between multiple compatible function overloads."); } } return args.decl; } static struct hlsl_ir_node *intrinsic_float_convert_arg(struct hlsl_ctx *ctx, const struct parse_initializer *params, struct hlsl_ir_node *arg, const struct vkd3d_shader_location *loc) { struct hlsl_type *type = arg->data_type; if (type->base_type == HLSL_TYPE_FLOAT || type->base_type == HLSL_TYPE_HALF) return arg; type = hlsl_get_numeric_type(ctx, type->class, HLSL_TYPE_FLOAT, type->dimx, type->dimy); return add_implicit_conversion(ctx, params->instrs, arg, type, loc); } static bool convert_args(struct hlsl_ctx *ctx, const struct parse_initializer *params, struct hlsl_type *type, const struct vkd3d_shader_location *loc) { unsigned int i; for (i = 0; i < params->args_count; ++i) { struct hlsl_ir_node *new_arg; if (!(new_arg = add_implicit_conversion(ctx, params->instrs, params->args[i], type, loc))) return false; params->args[i] = new_arg; } return true; } static struct hlsl_type *elementwise_intrinsic_get_common_type(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { enum hlsl_base_type base = params->args[0]->data_type->base_type; bool vectors = false, matrices = false; unsigned int dimx = 4, dimy = 4; struct hlsl_type *common_type; unsigned int i; for (i = 0; i < params->args_count; ++i) { struct hlsl_type *arg_type = params->args[i]->data_type; base = expr_common_base_type(base, arg_type->base_type); if (arg_type->class == HLSL_CLASS_VECTOR) { vectors = true; dimx = min(dimx, arg_type->dimx); } else if (arg_type->class == HLSL_CLASS_MATRIX) { matrices = true; dimx = min(dimx, arg_type->dimx); dimy = min(dimy, arg_type->dimy); } } if (matrices && vectors) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Cannot use both matrices and vectors in an elementwise intrinsic."); return NULL; } else if (matrices) { common_type = hlsl_get_matrix_type(ctx, base, dimx, dimy); } else if (vectors) { common_type = hlsl_get_vector_type(ctx, base, dimx); } else { common_type = hlsl_get_scalar_type(ctx, base); } return common_type; } static bool elementwise_intrinsic_convert_args(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_type *common_type; if (!(common_type = elementwise_intrinsic_get_common_type(ctx, params, loc))) return false; return convert_args(ctx, params, common_type, loc); } static bool elementwise_intrinsic_float_convert_args(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_type *type; if (!(type = elementwise_intrinsic_get_common_type(ctx, params, loc))) return false; type = hlsl_get_numeric_type(ctx, type->class, HLSL_TYPE_FLOAT, type->dimx, type->dimy); return convert_args(ctx, params, type, loc); } static bool intrinsic_abs(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_ABS, params->args[0], loc); } static bool intrinsic_all(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg = params->args[0], *mul; struct hlsl_ir_constant *one, *zero; struct hlsl_ir_load *load; unsigned int i, count; if (!(one = hlsl_new_float_constant(ctx, 1.0f, loc))) return false; list_add_tail(params->instrs, &one->node.entry); if (!(zero = hlsl_new_float_constant(ctx, 0.0f, loc))) return false; list_add_tail(params->instrs, &zero->node.entry); mul = &one->node; count = hlsl_type_component_count(arg->data_type); for (i = 0; i < count; ++i) { if (!(load = add_load_component(ctx, params->instrs, arg, i, loc))) return false; if (!(mul = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, &load->node, mul, loc))) return false; } return !!add_binary_comparison_expr(ctx, params->instrs, HLSL_OP2_NEQUAL, mul, &zero->node, loc); } /* Find the type corresponding to the given source type, with the same * dimensions but a different base type. */ static struct hlsl_type *convert_numeric_type(const struct hlsl_ctx *ctx, const struct hlsl_type *type, enum hlsl_base_type base_type) { return hlsl_get_numeric_type(ctx, type->class, base_type, type->dimx, type->dimy); } static bool intrinsic_asuint(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *operands[HLSL_MAX_OPERANDS] = {0}; struct hlsl_type *data_type; if (params->args_count != 1 && params->args_count != 3) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to function 'asuint': expected 1 or 3, but got %u.", params->args_count); return false; } if (params->args_count == 3) { hlsl_fixme(ctx, loc, "Double-to-integer conversion."); return false; } data_type = params->args[0]->data_type; if (data_type->base_type == HLSL_TYPE_BOOL || data_type->base_type == HLSL_TYPE_DOUBLE) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, data_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Wrong type for argument 0 of asuint(): expected 'int', 'uint', 'float', or 'half', but got '%s'.", string->buffer); hlsl_release_string_buffer(ctx, string); } data_type = convert_numeric_type(ctx, data_type, HLSL_TYPE_UINT); operands[0] = params->args[0]; return add_expr(ctx, params->instrs, HLSL_OP1_REINTERPRET, operands, data_type, loc); } static bool intrinsic_clamp(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *max; if (!elementwise_intrinsic_convert_args(ctx, params, loc)) return false; if (!(max = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MAX, params->args[0], params->args[1], loc))) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MIN, max, params->args[2], loc); } static bool intrinsic_cos(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_COS, arg, loc); } static bool intrinsic_cross(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_swizzle *arg1_swzl1, *arg1_swzl2, *arg2_swzl1, *arg2_swzl2; struct hlsl_ir_node *arg1 = params->args[0], *arg2 = params->args[1]; struct hlsl_ir_node *arg1_cast, *arg2_cast, *mul1_neg, *mul1, *mul2; struct hlsl_type *cast_type; enum hlsl_base_type base; if (arg1->data_type->base_type == HLSL_TYPE_HALF && arg2->data_type->base_type == HLSL_TYPE_HALF) base = HLSL_TYPE_HALF; else base = HLSL_TYPE_FLOAT; cast_type = hlsl_get_vector_type(ctx, base, 3); if (!(arg1_cast = add_implicit_conversion(ctx, params->instrs, arg1, cast_type, loc))) return false; if (!(arg2_cast = add_implicit_conversion(ctx, params->instrs, arg2, cast_type, loc))) return false; if (!(arg1_swzl1 = hlsl_new_swizzle(ctx, HLSL_SWIZZLE(Z, X, Y, Z), 3, arg1_cast, loc))) return false; list_add_tail(params->instrs, &arg1_swzl1->node.entry); if (!(arg2_swzl1 = hlsl_new_swizzle(ctx, HLSL_SWIZZLE(Y, Z, X, Y), 3, arg2_cast, loc))) return false; list_add_tail(params->instrs, &arg2_swzl1->node.entry); if (!(mul1 = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, &arg1_swzl1->node, &arg2_swzl1->node, loc))) return false; if (!(mul1_neg = hlsl_new_unary_expr(ctx, HLSL_OP1_NEG, mul1, *loc))) return false; list_add_tail(params->instrs, &mul1_neg->entry); if (!(arg1_swzl2 = hlsl_new_swizzle(ctx, HLSL_SWIZZLE(Y, Z, X, Y), 3, arg1_cast, loc))) return false; list_add_tail(params->instrs, &arg1_swzl2->node.entry); if (!(arg2_swzl2 = hlsl_new_swizzle(ctx, HLSL_SWIZZLE(Z, X, Y, Z), 3, arg2_cast, loc))) return false; list_add_tail(params->instrs, &arg2_swzl2->node.entry); if (!(mul2 = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, &arg1_swzl2->node, &arg2_swzl2->node, loc))) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, mul2, mul1_neg, loc); } static bool intrinsic_distance(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg1, *arg2, *neg, *add, *dot; if (!(arg1 = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; if (!(arg2 = intrinsic_float_convert_arg(ctx, params, params->args[1], loc))) return false; if (!(neg = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_NEG, arg2, loc))) return false; if (!(add = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, arg1, neg, loc))) return false; if (!(dot = add_binary_dot_expr(ctx, params->instrs, add, add, loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SQRT, dot, loc); } static bool intrinsic_dot(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { return !!add_binary_dot_expr(ctx, params->instrs, params->args[0], params->args[1], loc); } static bool intrinsic_exp(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_constant *coeff; struct hlsl_ir_node *arg, *mul; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; /* 1/ln(2) */ if (!(coeff = hlsl_new_float_constant(ctx, 1.442695f, loc))) return false; list_add_tail(params->instrs, &coeff->node.entry); if (!(mul = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, &coeff->node, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_EXP2, mul, loc); } static bool intrinsic_exp2(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_EXP2, arg, loc); } static bool intrinsic_floor(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_FLOOR, arg, loc); } static bool intrinsic_frac(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_FRACT, arg, loc); } static bool intrinsic_ldexp(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!elementwise_intrinsic_float_convert_args(ctx, params, loc)) return false; if (!(arg = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_EXP2, params->args[1], loc))) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, params->args[0], arg, loc); } static bool intrinsic_length(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_type *type = params->args[0]->data_type; struct hlsl_ir_node *arg, *dot; if (type->class == HLSL_CLASS_MATRIX) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Invalid type %s.", string->buffer); hlsl_release_string_buffer(ctx, string); } if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; if (!(dot = add_binary_dot_expr(ctx, params->instrs, arg, arg, loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SQRT, dot, loc); } static bool intrinsic_lerp(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *neg, *add, *mul; if (!elementwise_intrinsic_float_convert_args(ctx, params, loc)) return false; if (!(neg = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_NEG, params->args[0], loc))) return false; if (!(add = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, params->args[1], neg, loc))) return false; if (!(mul = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, params->args[2], add, loc))) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, params->args[0], mul, loc); } static struct hlsl_ir_node * add_pow_expr(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *log, *mul; if (!(log = add_unary_arithmetic_expr(ctx, instrs, HLSL_OP1_LOG2, arg1, loc))) return NULL; if (!(mul = add_binary_arithmetic_expr(ctx, instrs, HLSL_OP2_MUL, arg2, log, loc))) return NULL; return add_unary_arithmetic_expr(ctx, instrs, HLSL_OP1_EXP2, mul, loc); } static bool intrinsic_lit(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *n_l_neg, *n_h_neg, *specular_or, *specular_pow; struct hlsl_ir_constant *init, *zero; struct hlsl_ir_node *n_l, *n_h, *m; struct hlsl_ir_node *diffuse; struct hlsl_ir_store *store; struct hlsl_deref var_deref; struct hlsl_type *ret_type; struct hlsl_ir_load *load; struct hlsl_ir_var *var; struct hlsl_block block; if (params->args[0]->data_type->class != HLSL_CLASS_SCALAR || params->args[1]->data_type->class != HLSL_CLASS_SCALAR || params->args[2]->data_type->class != HLSL_CLASS_SCALAR) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Invalid argument type."); return false; } if (!(n_l = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; if (!(n_h = intrinsic_float_convert_arg(ctx, params, params->args[1], loc))) return false; if (!(m = intrinsic_float_convert_arg(ctx, params, params->args[2], loc))) return false; ret_type = hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, 4); if (!(var = hlsl_new_synthetic_var(ctx, "lit", ret_type, loc))) return false; hlsl_init_simple_deref_from_var(&var_deref, var); if (!(init = hlsl_new_constant(ctx, ret_type, loc))) return false; init->value[0].f = 1.0f; init->value[1].f = 0.0f; init->value[2].f = 0.0f; init->value[3].f = 1.0f; list_add_tail(params->instrs, &init->node.entry); if (!(store = hlsl_new_simple_store(ctx, var, &init->node))) return false; list_add_tail(params->instrs, &store->node.entry); if (!(zero = hlsl_new_float_constant(ctx, 0.0f, loc))) return false; list_add_tail(params->instrs, &zero->node.entry); /* Diffuse component. */ if (!(diffuse = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MAX, n_l, &zero->node, loc))) return false; if (!(store = hlsl_new_store_component(ctx, &block, &var_deref, 1, diffuse))) return false; list_move_tail(params->instrs, &block.instrs); /* Specular component. */ if (!(n_h_neg = add_binary_comparison_expr(ctx, params->instrs, HLSL_OP2_LESS, n_h, &zero->node, loc))) return false; if (!(n_l_neg = add_binary_comparison_expr(ctx, params->instrs, HLSL_OP2_LESS, n_l, &zero->node, loc))) return false; if (!(specular_or = add_binary_logical_expr(ctx, params->instrs, HLSL_OP2_LOGIC_OR, n_l_neg, n_h_neg, loc))) return false; if (!(specular_pow = add_pow_expr(ctx, params->instrs, n_h, m, loc))) return false; if (!(load = hlsl_add_conditional(ctx, params->instrs, specular_or, &zero->node, specular_pow))) return false; if (!(store = hlsl_new_store_component(ctx, &block, &var_deref, 2, &load->node))) return false; list_move_tail(params->instrs, &block.instrs); if (!(load = hlsl_new_var_load(ctx, var, *loc))) return false; list_add_tail(params->instrs, &load->node.entry); return true; } static bool intrinsic_max(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { if (!elementwise_intrinsic_convert_args(ctx, params, loc)) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MAX, params->args[0], params->args[1], loc); } static bool intrinsic_min(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { if (!elementwise_intrinsic_convert_args(ctx, params, loc)) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MIN, params->args[0], params->args[1], loc); } static bool intrinsic_mul(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg1 = params->args[0], *arg2 = params->args[1], *cast1, *cast2; enum hlsl_base_type base = expr_common_base_type(arg1->data_type->base_type, arg2->data_type->base_type); struct hlsl_type *cast_type1 = arg1->data_type, *cast_type2 = arg2->data_type, *matrix_type, *ret_type; unsigned int i, j, k, vect_count = 0; struct hlsl_deref var_deref; struct hlsl_ir_load *load; struct hlsl_ir_var *var; if (arg1->data_type->class == HLSL_CLASS_SCALAR || arg2->data_type->class == HLSL_CLASS_SCALAR) return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, arg1, arg2, loc); if (arg1->data_type->class == HLSL_CLASS_VECTOR) { vect_count++; cast_type1 = hlsl_get_matrix_type(ctx, base, arg1->data_type->dimx, 1); } if (arg2->data_type->class == HLSL_CLASS_VECTOR) { vect_count++; cast_type2 = hlsl_get_matrix_type(ctx, base, 1, arg2->data_type->dimx); } matrix_type = hlsl_get_matrix_type(ctx, base, cast_type2->dimx, cast_type1->dimy); if (vect_count == 0) { ret_type = matrix_type; } else if (vect_count == 1) { assert(matrix_type->dimx == 1 || matrix_type->dimy == 1); ret_type = hlsl_get_vector_type(ctx, base, matrix_type->dimx * matrix_type->dimy); } else { assert(matrix_type->dimx == 1 && matrix_type->dimy == 1); ret_type = hlsl_get_scalar_type(ctx, base); } if (!(cast1 = add_implicit_conversion(ctx, params->instrs, arg1, cast_type1, loc))) return false; if (!(cast2 = add_implicit_conversion(ctx, params->instrs, arg2, cast_type2, loc))) return false; if (!(var = hlsl_new_synthetic_var(ctx, "mul", matrix_type, loc))) return false; hlsl_init_simple_deref_from_var(&var_deref, var); for (i = 0; i < matrix_type->dimx; ++i) { for (j = 0; j < matrix_type->dimy; ++j) { struct hlsl_ir_node *instr = NULL; struct hlsl_ir_store *store; struct hlsl_block block; for (k = 0; k < cast_type1->dimx && k < cast_type2->dimy; ++k) { struct hlsl_ir_load *value1, *value2; struct hlsl_ir_node *mul; if (!(value1 = add_load_component(ctx, params->instrs, cast1, j * cast1->data_type->dimx + k, loc))) return false; if (!(value2 = add_load_component(ctx, params->instrs, cast2, k * cast2->data_type->dimx + i, loc))) return false; if (!(mul = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, &value1->node, &value2->node, loc))) return false; if (instr) { if (!(instr = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, instr, mul, loc))) return false; } else { instr = mul; } } if (!(store = hlsl_new_store_component(ctx, &block, &var_deref, j * matrix_type->dimx + i, instr))) return false; list_move_tail(params->instrs, &block.instrs); } } if (!(load = hlsl_new_var_load(ctx, var, *loc))) return false; list_add_tail(params->instrs, &load->node.entry); return !!add_implicit_conversion(ctx, params->instrs, &load->node, ret_type, loc); } static bool intrinsic_normalize(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_type *type = params->args[0]->data_type; struct hlsl_ir_node *dot, *rsq, *arg; if (type->class == HLSL_CLASS_MATRIX) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Invalid type %s.", string->buffer); hlsl_release_string_buffer(ctx, string); } if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; if (!(dot = add_binary_dot_expr(ctx, params->instrs, arg, arg, loc))) return false; if (!(rsq = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_RSQ, dot, loc))) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, rsq, arg, loc); } static bool intrinsic_pow(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { if (!elementwise_intrinsic_float_convert_args(ctx, params, loc)) return false; return !!add_pow_expr(ctx, params->instrs, params->args[0], params->args[1], loc); } static bool intrinsic_reflect(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *i = params->args[0], *n = params->args[1]; struct hlsl_ir_node *dot, *mul_n, *two_dot, *neg; if (!(dot = add_binary_dot_expr(ctx, params->instrs, i, n, loc))) return false; if (!(two_dot = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, dot, dot, loc))) return false; if (!(mul_n = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, n, two_dot, loc))) return false; if (!(neg = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_NEG, mul_n, loc))) return false; return !!add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, i, neg, loc); } static bool intrinsic_round(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_ROUND, arg, loc); } static bool intrinsic_rsqrt(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_RSQ, arg, loc); } static bool intrinsic_saturate(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SAT, arg, loc); } static bool intrinsic_sin(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SIN, arg, loc); } /* smoothstep(a, b, x) = p^2 (3 - 2p), where p = saturate((x - a)/(b - a)) */ static bool intrinsic_smoothstep(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *min_arg, *max_arg, *x_arg, *p, *p_num, *p_denom, *res; struct hlsl_ir_constant *one, *minus_two, *three; if (!elementwise_intrinsic_float_convert_args(ctx, params, loc)) return false; min_arg = params->args[0]; max_arg = params->args[1]; x_arg = params->args[2]; if (!(min_arg = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_NEG, min_arg, loc))) return false; if (!(p_num = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, x_arg, min_arg, loc))) return false; if (!(p_denom = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, max_arg, min_arg, loc))) return false; if (!(one = hlsl_new_float_constant(ctx, 1.0, loc))) return false; list_add_tail(params->instrs, &one->node.entry); if (!(p_denom = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_DIV, &one->node, p_denom, loc))) return false; if (!(p = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, p_num, p_denom, loc))) return false; if (!(p = add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SAT, p, loc))) return false; if (!(minus_two = hlsl_new_float_constant(ctx, -2.0, loc))) return false; list_add_tail(params->instrs, &minus_two->node.entry); if (!(three = hlsl_new_float_constant(ctx, 3.0, loc))) return false; list_add_tail(params->instrs, &three->node.entry); if (!(res = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, &minus_two->node, p, loc))) return false; if (!(res = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_ADD, &three->node, res, loc))) return false; if (!(p = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, p, p, loc))) return false; if (!(res = add_binary_arithmetic_expr(ctx, params->instrs, HLSL_OP2_MUL, p, res, loc))) return false; return true; } static bool intrinsic_sqrt(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg; if (!(arg = intrinsic_float_convert_arg(ctx, params, params->args[0], loc))) return false; return !!add_unary_arithmetic_expr(ctx, params->instrs, HLSL_OP1_SQRT, arg, loc); } static bool intrinsic_step(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *ge; struct hlsl_type *type; if (!elementwise_intrinsic_float_convert_args(ctx, params, loc)) return false; if (!(ge = add_binary_comparison_expr(ctx, params->instrs, HLSL_OP2_GEQUAL, params->args[1], params->args[0], loc))) return false; type = ge->data_type; type = hlsl_get_numeric_type(ctx, type->class, HLSL_TYPE_FLOAT, type->dimx, type->dimy); return !!add_implicit_conversion(ctx, params->instrs, ge, type, loc); } static bool intrinsic_tex(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc, const char *name, enum hlsl_sampler_dim dim) { struct hlsl_resource_load_params load_params = {.type = HLSL_RESOURCE_SAMPLE}; const struct hlsl_type *sampler_type; struct hlsl_ir_resource_load *load; struct hlsl_ir_load *sampler_load; struct hlsl_ir_node *coords; if (params->args_count != 2 && params->args_count != 4) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to function '%s': expected 2 or 4, but got %u.", name, params->args_count); return false; } if (params->args_count == 4) { hlsl_fixme(ctx, loc, "Samples with gradients are not implemented.\n"); } sampler_type = params->args[0]->data_type; if (sampler_type->class != HLSL_CLASS_OBJECT || sampler_type->base_type != HLSL_TYPE_SAMPLER || (sampler_type->sampler_dim != dim && sampler_type->sampler_dim != HLSL_SAMPLER_DIM_GENERIC)) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, sampler_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Wrong type for argument 1 of '%s': expected 'sampler' or '%s', but got '%s'.", name, ctx->builtin_types.sampler[dim]->name, string->buffer); hlsl_release_string_buffer(ctx, string); } else { /* Only HLSL_IR_LOAD can return an object. */ sampler_load = hlsl_ir_load(params->args[0]); load_params.resource = sampler_load->src; } if (!(coords = add_implicit_conversion(ctx, params->instrs, params->args[1], hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, hlsl_sampler_dim_count(dim)), loc))) coords = params->args[1]; load_params.coords = coords; load_params.format = hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, 4); if (!(load = hlsl_new_resource_load(ctx, &load_params, loc))) return false; list_add_tail(params->instrs, &load->node.entry); return true; } static bool intrinsic_tex2D(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { return intrinsic_tex(ctx, params, loc, "tex2D", HLSL_SAMPLER_DIM_2D); } static bool intrinsic_tex3D(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { return intrinsic_tex(ctx, params, loc, "tex3D", HLSL_SAMPLER_DIM_3D); } static bool intrinsic_transpose(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { struct hlsl_ir_node *arg = params->args[0]; struct hlsl_type *arg_type = arg->data_type; struct hlsl_deref var_deref; struct hlsl_type *mat_type; struct hlsl_ir_load *load; struct hlsl_ir_var *var; unsigned int i, j; if (arg_type->class != HLSL_CLASS_SCALAR && arg_type->class != HLSL_CLASS_MATRIX) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, arg_type))) hlsl_error(ctx, &arg->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Wrong type for argument 1 of transpose(): expected a matrix or scalar type, but got '%s'.\n", string->buffer); hlsl_release_string_buffer(ctx, string); return false; } if (arg_type->class == HLSL_CLASS_SCALAR) { list_add_tail(params->instrs, &arg->entry); return true; } mat_type = hlsl_get_matrix_type(ctx, arg_type->base_type, arg_type->dimy, arg_type->dimx); if (!(var = hlsl_new_synthetic_var(ctx, "transpose", mat_type, loc))) return false; hlsl_init_simple_deref_from_var(&var_deref, var); for (i = 0; i < arg_type->dimx; ++i) { for (j = 0; j < arg_type->dimy; ++j) { struct hlsl_ir_store *store; struct hlsl_block block; if (!(load = add_load_component(ctx, params->instrs, arg, j * arg->data_type->dimx + i, loc))) return false; if (!(store = hlsl_new_store_component(ctx, &block, &var_deref, i * var->data_type->dimx + j, &load->node))) return false; list_move_tail(params->instrs, &block.instrs); } } if (!(load = hlsl_new_var_load(ctx, var, *loc))) return false; list_add_tail(params->instrs, &load->node.entry); return true; } static const struct intrinsic_function { const char *name; int param_count; bool check_numeric; bool (*handler)(struct hlsl_ctx *ctx, const struct parse_initializer *params, const struct vkd3d_shader_location *loc); } intrinsic_functions[] = { /* Note: these entries should be kept in alphabetical order. */ {"abs", 1, true, intrinsic_abs}, {"all", 1, true, intrinsic_all}, {"asuint", -1, true, intrinsic_asuint}, {"clamp", 3, true, intrinsic_clamp}, {"cos", 1, true, intrinsic_cos}, {"cross", 2, true, intrinsic_cross}, {"distance", 2, true, intrinsic_distance}, {"dot", 2, true, intrinsic_dot}, {"exp", 1, true, intrinsic_exp}, {"exp2", 1, true, intrinsic_exp2}, {"floor", 1, true, intrinsic_floor}, {"frac", 1, true, intrinsic_frac}, {"ldexp", 2, true, intrinsic_ldexp}, {"length", 1, true, intrinsic_length}, {"lerp", 3, true, intrinsic_lerp}, {"lit", 3, true, intrinsic_lit}, {"max", 2, true, intrinsic_max}, {"min", 2, true, intrinsic_min}, {"mul", 2, true, intrinsic_mul}, {"normalize", 1, true, intrinsic_normalize}, {"pow", 2, true, intrinsic_pow}, {"reflect", 2, true, intrinsic_reflect}, {"round", 1, true, intrinsic_round}, {"rsqrt", 1, true, intrinsic_rsqrt}, {"saturate", 1, true, intrinsic_saturate}, {"sin", 1, true, intrinsic_sin}, {"smoothstep", 3, true, intrinsic_smoothstep}, {"sqrt", 1, true, intrinsic_sqrt}, {"step", 2, true, intrinsic_step}, {"tex2D", -1, false, intrinsic_tex2D}, {"tex3D", -1, false, intrinsic_tex3D}, {"transpose", 1, true, intrinsic_transpose}, }; static int intrinsic_function_name_compare(const void *a, const void *b) { const struct intrinsic_function *func = b; return strcmp(a, func->name); } static struct list *add_call(struct hlsl_ctx *ctx, const char *name, struct parse_initializer *args, const struct vkd3d_shader_location *loc) { struct intrinsic_function *intrinsic; struct hlsl_ir_function_decl *decl; if ((decl = find_function_call(ctx, name, args, loc))) { struct hlsl_ir_node *call; unsigned int i; assert(args->args_count == decl->parameters.count); for (i = 0; i < decl->parameters.count; ++i) { struct hlsl_ir_var *param = decl->parameters.vars[i]; struct hlsl_ir_node *arg = args->args[i]; if (!hlsl_types_are_equal(arg->data_type, param->data_type)) { struct hlsl_ir_node *cast; if (!(cast = add_cast(ctx, args->instrs, arg, param->data_type, &arg->loc))) goto fail; args->args[i] = cast; arg = cast; } if (param->storage_modifiers & HLSL_STORAGE_IN) { struct hlsl_ir_store *store; if (!(store = hlsl_new_simple_store(ctx, param, arg))) goto fail; list_add_tail(args->instrs, &store->node.entry); } } if (!(call = hlsl_new_call(ctx, decl, loc))) goto fail; list_add_tail(args->instrs, &call->entry); for (i = 0; i < decl->parameters.count; ++i) { struct hlsl_ir_var *param = decl->parameters.vars[i]; struct hlsl_ir_node *arg = args->args[i]; if (param->storage_modifiers & HLSL_STORAGE_OUT) { struct hlsl_ir_load *load; if (arg->data_type->modifiers & HLSL_MODIFIER_CONST) hlsl_error(ctx, &arg->loc, VKD3D_SHADER_ERROR_HLSL_MODIFIES_CONST, "Output argument to \"%s\" is const.", decl->func->name); if (!(load = hlsl_new_var_load(ctx, param, arg->loc))) goto fail; list_add_tail(args->instrs, &load->node.entry); if (!add_assignment(ctx, args->instrs, arg, ASSIGN_OP_ASSIGN, &load->node)) goto fail; } } if (decl->return_var) { struct hlsl_ir_load *load; if (!(load = hlsl_new_var_load(ctx, decl->return_var, *loc))) goto fail; list_add_tail(args->instrs, &load->node.entry); } else { struct hlsl_ir_node *operands[HLSL_MAX_OPERANDS] = {0}; struct hlsl_ir_node *expr; if (!(expr = hlsl_new_expr(ctx, HLSL_OP0_VOID, operands, ctx->builtin_types.Void, loc))) goto fail; list_add_tail(args->instrs, &expr->entry); } } else if ((intrinsic = bsearch(name, intrinsic_functions, ARRAY_SIZE(intrinsic_functions), sizeof(*intrinsic_functions), intrinsic_function_name_compare))) { if (intrinsic->param_count >= 0 && args->args_count != intrinsic->param_count) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to function '%s': expected %u, but got %u.", name, intrinsic->param_count, args->args_count); goto fail; } if (intrinsic->check_numeric) { unsigned int i; for (i = 0; i < args->args_count; ++i) { if (args->args[i]->data_type->class > HLSL_CLASS_LAST_NUMERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, args->args[i]->data_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Wrong type for argument %u of '%s': expected a numeric type, but got '%s'.", i + 1, name, string->buffer); hlsl_release_string_buffer(ctx, string); goto fail; } } } if (!intrinsic->handler(ctx, args, loc)) goto fail; } else if (rb_get(&ctx->functions, name)) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED, "No compatible %u parameter declaration for \"%s\" found.", args->args_count, name); goto fail; } else { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED, "Function \"%s\" is not defined.", name); goto fail; } vkd3d_free(args->args); return args->instrs; fail: free_parse_initializer(args); return NULL; } static struct list *add_constructor(struct hlsl_ctx *ctx, struct hlsl_type *type, struct parse_initializer *params, struct vkd3d_shader_location loc) { struct hlsl_ir_load *load; struct hlsl_ir_var *var; unsigned int i, idx = 0; if (!(var = hlsl_new_synthetic_var(ctx, "constructor", type, &loc))) return NULL; for (i = 0; i < params->args_count; ++i) { struct hlsl_ir_node *arg = params->args[i]; if (arg->data_type->class == HLSL_CLASS_OBJECT) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, arg->data_type))) hlsl_error(ctx, &arg->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Invalid type %s for constructor argument.", string->buffer); hlsl_release_string_buffer(ctx, string); continue; } initialize_var_components(ctx, params->instrs, var, &idx, arg); } if (!(load = hlsl_new_var_load(ctx, var, loc))) return NULL; list_add_tail(params->instrs, &load->node.entry); vkd3d_free(params->args); return params->instrs; } static unsigned int hlsl_offset_dim_count(enum hlsl_sampler_dim dim) { switch (dim) { case HLSL_SAMPLER_DIM_1D: case HLSL_SAMPLER_DIM_1DARRAY: return 1; case HLSL_SAMPLER_DIM_2D: case HLSL_SAMPLER_DIM_2DMS: case HLSL_SAMPLER_DIM_2DARRAY: case HLSL_SAMPLER_DIM_2DMSARRAY: return 2; case HLSL_SAMPLER_DIM_3D: return 3; case HLSL_SAMPLER_DIM_CUBE: case HLSL_SAMPLER_DIM_CUBEARRAY: /* Offset parameters not supported for these types. */ return 0; default: vkd3d_unreachable(); } } static bool add_method_call(struct hlsl_ctx *ctx, struct list *instrs, struct hlsl_ir_node *object, const char *name, const struct parse_initializer *params, const struct vkd3d_shader_location *loc) { const struct hlsl_type *object_type = object->data_type; struct hlsl_ir_load *object_load; if (object_type->class != HLSL_CLASS_OBJECT || object_type->base_type != HLSL_TYPE_TEXTURE || object_type->sampler_dim == HLSL_SAMPLER_DIM_GENERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, object_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Type '%s' does not have methods.", string->buffer); hlsl_release_string_buffer(ctx, string); return false; } /* Only HLSL_IR_LOAD can return an object. */ object_load = hlsl_ir_load(object); if (!strcmp(name, "Load") && object_type->sampler_dim != HLSL_SAMPLER_DIM_CUBE && object_type->sampler_dim != HLSL_SAMPLER_DIM_CUBEARRAY) { const unsigned int sampler_dim = hlsl_sampler_dim_count(object_type->sampler_dim); const unsigned int offset_dim = hlsl_offset_dim_count(object_type->sampler_dim); struct hlsl_resource_load_params load_params = {.type = HLSL_RESOURCE_LOAD}; struct hlsl_ir_resource_load *load; bool multisampled; multisampled = object_type->sampler_dim == HLSL_SAMPLER_DIM_2DMS || object_type->sampler_dim == HLSL_SAMPLER_DIM_2DMSARRAY; if (params->args_count < 1 + multisampled || params->args_count > 3 + multisampled) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to method 'Load': expected between %u and %u, but got %u.", 1 + multisampled, 3 + multisampled, params->args_count); return false; } if (multisampled) { hlsl_fixme(ctx, loc, "Load() sampling index parameter."); } assert(offset_dim); if (params->args_count > 1 + multisampled) { if (!(load_params.texel_offset = add_implicit_conversion(ctx, instrs, params->args[1 + multisampled], hlsl_get_vector_type(ctx, HLSL_TYPE_INT, offset_dim), loc))) return false; } if (params->args_count > 2 + multisampled) { hlsl_fixme(ctx, loc, "Tiled resource status argument."); } /* +1 for the mipmap level */ if (!(load_params.coords = add_implicit_conversion(ctx, instrs, params->args[0], hlsl_get_vector_type(ctx, HLSL_TYPE_INT, sampler_dim + 1), loc))) return false; load_params.format = object_type->e.resource_format; load_params.resource = object_load->src; if (!(load = hlsl_new_resource_load(ctx, &load_params, loc))) return false; list_add_tail(instrs, &load->node.entry); return true; } else if (!strcmp(name, "Sample") && object_type->sampler_dim != HLSL_SAMPLER_DIM_2DMS && object_type->sampler_dim != HLSL_SAMPLER_DIM_2DMSARRAY) { const unsigned int sampler_dim = hlsl_sampler_dim_count(object_type->sampler_dim); const unsigned int offset_dim = hlsl_offset_dim_count(object_type->sampler_dim); struct hlsl_resource_load_params load_params = {.type = HLSL_RESOURCE_SAMPLE}; const struct hlsl_type *sampler_type; struct hlsl_ir_resource_load *load; struct hlsl_ir_load *sampler_load; if (params->args_count < 2 || params->args_count > 4 + !!offset_dim) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to method 'Sample': expected from 2 to %u, but got %u.", 4 + !!offset_dim, params->args_count); return false; } sampler_type = params->args[0]->data_type; if (sampler_type->class != HLSL_CLASS_OBJECT || sampler_type->base_type != HLSL_TYPE_SAMPLER || sampler_type->sampler_dim != HLSL_SAMPLER_DIM_GENERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, sampler_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Wrong type for argument 0 of Sample(): expected 'sampler', but got '%s'.", string->buffer); hlsl_release_string_buffer(ctx, string); return false; } /* Only HLSL_IR_LOAD can return an object. */ sampler_load = hlsl_ir_load(params->args[0]); if (!(load_params.coords = add_implicit_conversion(ctx, instrs, params->args[1], hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, sampler_dim), loc))) return false; if (offset_dim && params->args_count > 2) { if (!(load_params.texel_offset = add_implicit_conversion(ctx, instrs, params->args[2], hlsl_get_vector_type(ctx, HLSL_TYPE_INT, offset_dim), loc))) return false; } if (params->args_count > 2 + !!offset_dim) hlsl_fixme(ctx, loc, "Sample() clamp parameter."); if (params->args_count > 3 + !!offset_dim) hlsl_fixme(ctx, loc, "Tiled resource status argument."); load_params.format = object_type->e.resource_format; load_params.resource = object_load->src; load_params.sampler = sampler_load->src; if (!(load = hlsl_new_resource_load(ctx, &load_params, loc))) return false; list_add_tail(instrs, &load->node.entry); return true; } else if ((!strcmp(name, "Gather") || !strcmp(name, "GatherRed") || !strcmp(name, "GatherBlue") || !strcmp(name, "GatherGreen") || !strcmp(name, "GatherAlpha")) && (object_type->sampler_dim == HLSL_SAMPLER_DIM_2D || object_type->sampler_dim == HLSL_SAMPLER_DIM_2DARRAY || object_type->sampler_dim == HLSL_SAMPLER_DIM_CUBE || object_type->sampler_dim == HLSL_SAMPLER_DIM_CUBEARRAY)) { const unsigned int sampler_dim = hlsl_sampler_dim_count(object_type->sampler_dim); const unsigned int offset_dim = hlsl_offset_dim_count(object_type->sampler_dim); struct hlsl_resource_load_params load_params = {0}; const struct hlsl_type *sampler_type; struct hlsl_ir_resource_load *load; struct hlsl_ir_load *sampler_load; unsigned int read_channel; if (!strcmp(name, "GatherGreen")) { load_params.type = HLSL_RESOURCE_GATHER_GREEN; read_channel = 1; } else if (!strcmp(name, "GatherBlue")) { load_params.type = HLSL_RESOURCE_GATHER_BLUE; read_channel = 2; } else if (!strcmp(name, "GatherAlpha")) { load_params.type = HLSL_RESOURCE_GATHER_ALPHA; read_channel = 3; } else { load_params.type = HLSL_RESOURCE_GATHER_RED; read_channel = 0; } if (!strcmp(name, "Gather") || !offset_dim) { if (params->args_count < 2 || params->args_count > 3 + !!offset_dim) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to method '%s': expected from 2 to %u, but got %u.", name, 3 + !!offset_dim, params->args_count); return false; } } else if (params->args_count < 2 || params->args_count == 5 || params->args_count > 7) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to method '%s': expected 2, 3, 4, 6 or 7, but got %u.", name, params->args_count); return false; } if (params->args_count == 3 + !!offset_dim || params->args_count == 7) hlsl_fixme(ctx, loc, "Tiled resource status argument."); if (params->args_count == 6 || params->args_count == 7) { hlsl_fixme(ctx, loc, "Multiple %s() offset parameters.", name); } else if (offset_dim && params->args_count > 2) { if (!(load_params.texel_offset = add_implicit_conversion(ctx, instrs, params->args[2], hlsl_get_vector_type(ctx, HLSL_TYPE_INT, offset_dim), loc))) return false; } sampler_type = params->args[0]->data_type; if (sampler_type->class != HLSL_CLASS_OBJECT || sampler_type->base_type != HLSL_TYPE_SAMPLER || sampler_type->sampler_dim != HLSL_SAMPLER_DIM_GENERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, sampler_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Wrong type for argument 1 of %s(): expected 'sampler', but got '%s'.", name, string->buffer); hlsl_release_string_buffer(ctx, string); return false; } if (read_channel >= object_type->e.resource_format->dimx) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Method %s() requires at least %u channels.", name, read_channel + 1); return false; } /* Only HLSL_IR_LOAD can return an object. */ sampler_load = hlsl_ir_load(params->args[0]); if (!(load_params.coords = add_implicit_conversion(ctx, instrs, params->args[1], hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, sampler_dim), loc))) return false; load_params.format = hlsl_get_vector_type(ctx, object_type->e.resource_format->base_type, 4); load_params.resource = object_load->src; load_params.sampler = sampler_load->src; if (!(load = hlsl_new_resource_load(ctx, &load_params, loc))) return false; list_add_tail(instrs, &load->node.entry); return true; } else if (!strcmp(name, "SampleLevel") && object_type->sampler_dim != HLSL_SAMPLER_DIM_2DMS && object_type->sampler_dim != HLSL_SAMPLER_DIM_2DMSARRAY) { struct hlsl_resource_load_params load_params = {.type = HLSL_RESOURCE_SAMPLE_LOD}; const unsigned int sampler_dim = hlsl_sampler_dim_count(object_type->sampler_dim); const unsigned int offset_dim = hlsl_offset_dim_count(object_type->sampler_dim); const struct hlsl_type *sampler_type; struct hlsl_ir_resource_load *load; struct hlsl_ir_load *sampler_load; if (params->args_count < 3 || params->args_count > 4 + !!offset_dim) { hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Wrong number of arguments to method 'SampleLevel': expected from 3 to %u, but got %u.", 4 + !!offset_dim, params->args_count); return false; } sampler_type = params->args[0]->data_type; if (sampler_type->class != HLSL_CLASS_OBJECT || sampler_type->base_type != HLSL_TYPE_SAMPLER || sampler_type->sampler_dim != HLSL_SAMPLER_DIM_GENERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, sampler_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Wrong type for argument 0 of SampleLevel(): expected 'sampler', but got '%s'.", string->buffer); hlsl_release_string_buffer(ctx, string); return false; } /* Only HLSL_IR_LOAD can return an object. */ sampler_load = hlsl_ir_load(params->args[0]); if (!(load_params.coords = add_implicit_conversion(ctx, instrs, params->args[1], hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, sampler_dim), loc))) load_params.coords = params->args[1]; if (!(load_params.lod = add_implicit_conversion(ctx, instrs, params->args[2], hlsl_get_scalar_type(ctx, HLSL_TYPE_FLOAT), loc))) load_params.lod = params->args[2]; if (offset_dim && params->args_count > 3) { if (!(load_params.texel_offset = add_implicit_conversion(ctx, instrs, params->args[3], hlsl_get_vector_type(ctx, HLSL_TYPE_INT, offset_dim), loc))) return false; } if (params->args_count > 3 + !!offset_dim) hlsl_fixme(ctx, loc, "Tiled resource status argument."); load_params.format = object_type->e.resource_format; load_params.resource = object_load->src; load_params.sampler = sampler_load->src; if (!(load = hlsl_new_resource_load(ctx, &load_params, loc))) return false; list_add_tail(instrs, &load->node.entry); return true; } else { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, object_type))) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED, "Method '%s' is not defined on type '%s'.", name, string->buffer); hlsl_release_string_buffer(ctx, string); return false; } } static void validate_texture_format_type(struct hlsl_ctx *ctx, struct hlsl_type *format, const struct vkd3d_shader_location *loc) { if (format->class > HLSL_CLASS_VECTOR) { struct vkd3d_string_buffer *string; string = hlsl_type_to_string(ctx, format); if (string) hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Texture data type %s is not scalar or vector.", string->buffer); hlsl_release_string_buffer(ctx, string); } } } %locations %define parse.error verbose %define api.prefix {hlsl_yy} %define api.pure full %expect 1 %lex-param {yyscan_t scanner} %parse-param {void *scanner} %parse-param {struct hlsl_ctx *ctx} %union { struct hlsl_type *type; INT intval; FLOAT floatval; bool boolval; char *name; DWORD modifiers; struct hlsl_ir_node *instr; struct list *list; struct parse_fields fields; struct parse_function function; struct parse_parameter parameter; struct hlsl_func_parameters parameters; struct parse_initializer initializer; struct parse_array_sizes arrays; struct parse_variable_def *variable_def; struct parse_if_body if_body; enum parse_assign_op assign_op; struct hlsl_reg_reservation reg_reservation; struct parse_colon_attribute colon_attribute; struct hlsl_semantic semantic; enum hlsl_buffer_type buffer_type; enum hlsl_sampler_dim sampler_dim; struct hlsl_attribute *attr; struct parse_attribute_list attr_list; } %token KW_BLENDSTATE %token KW_BREAK %token KW_BUFFER %token KW_CBUFFER %token KW_COLUMN_MAJOR %token KW_COMPILE %token KW_CONST %token KW_CONTINUE %token KW_DEPTHSTENCILSTATE %token KW_DEPTHSTENCILVIEW %token KW_DISCARD %token KW_DO %token KW_DOUBLE %token KW_ELSE %token KW_EXTERN %token KW_FALSE %token KW_FOR %token KW_GEOMETRYSHADER %token KW_GROUPSHARED %token KW_IF %token KW_IN %token KW_INLINE %token KW_INOUT %token KW_MATRIX %token KW_NAMESPACE %token KW_NOINTERPOLATION %token KW_OUT %token KW_PASS %token KW_PIXELSHADER %token KW_PRECISE %token KW_RASTERIZERSTATE %token KW_RENDERTARGETVIEW %token KW_RETURN %token KW_REGISTER %token KW_ROW_MAJOR %token KW_RWTEXTURE1D %token KW_RWTEXTURE2D %token KW_RWTEXTURE3D %token KW_SAMPLER %token KW_SAMPLER1D %token KW_SAMPLER2D %token KW_SAMPLER3D %token KW_SAMPLERCUBE %token KW_SAMPLER_STATE %token KW_SAMPLERCOMPARISONSTATE %token KW_SHARED %token KW_STATEBLOCK %token KW_STATEBLOCK_STATE %token KW_STATIC %token KW_STRING %token KW_STRUCT %token KW_SWITCH %token KW_TBUFFER %token KW_TECHNIQUE %token KW_TECHNIQUE10 %token KW_TEXTURE %token KW_TEXTURE1D %token KW_TEXTURE1DARRAY %token KW_TEXTURE2D %token KW_TEXTURE2DARRAY %token KW_TEXTURE2DMS %token KW_TEXTURE2DMSARRAY %token KW_TEXTURE3D %token KW_TEXTURECUBE %token KW_TEXTURECUBEARRAY %token KW_TRUE %token KW_TYPEDEF %token KW_UNIFORM %token KW_VECTOR %token KW_VERTEXSHADER %token KW_VOID %token KW_VOLATILE %token KW_WHILE %token OP_INC %token OP_DEC %token OP_AND %token OP_OR %token OP_EQ %token OP_LEFTSHIFT %token OP_LEFTSHIFTASSIGN %token OP_RIGHTSHIFT %token OP_RIGHTSHIFTASSIGN %token OP_ELLIPSIS %token OP_LE %token OP_GE %token OP_NE %token OP_ADDASSIGN %token OP_SUBASSIGN %token OP_MULASSIGN %token OP_DIVASSIGN %token OP_MODASSIGN %token OP_ANDASSIGN %token OP_ORASSIGN %token OP_XORASSIGN %token OP_UNKNOWN1 %token OP_UNKNOWN2 %token OP_UNKNOWN3 %token OP_UNKNOWN4 %token C_FLOAT %token C_INTEGER %token PRE_LINE %type add_expr %type assignment_expr %type bitand_expr %type bitor_expr %type bitxor_expr %type compound_statement %type conditional_expr %type declaration %type declaration_statement %type equality_expr %type expr %type expr_optional %type expr_statement %type initializer_expr %type jump_statement %type logicand_expr %type logicor_expr %type loop_statement %type mul_expr %type postfix_expr %type primary_expr %type relational_expr %type selection_statement %type shift_expr %type statement %type statement_list %type struct_declaration %type type_specs %type unary_expr %type variables_def %type variables_def_optional %token VAR_IDENTIFIER %token NEW_IDENTIFIER %token STRING %token TYPE_IDENTIFIER %type arrays %type assign_op %type attribute %type attribute_list %type boolean %type buffer_type %type colon_attribute %type field %type fields_list %type func_prototype %type func_prototype_no_attrs %type complex_initializer %type complex_initializer_list %type func_arguments %type initializer_expr_list %type if_body %type var_modifiers %type any_identifier %type var_identifier %type parameter %type param_list %type parameters %type register_opt %type texture_type texture_ms_type uav_type %type semantic %type field_type %type named_struct_spec %type unnamed_struct_spec %type struct_spec %type type %type type_no_void %type typedef_type %type type_spec %type variable_decl %type variable_def %% hlsl_prog: %empty | hlsl_prog func_declaration | hlsl_prog buffer_declaration buffer_body | hlsl_prog declaration_statement { if (!list_empty($2)) hlsl_fixme(ctx, &@2, "Uniform initializer."); destroy_instr_list($2); } | hlsl_prog preproc_directive | hlsl_prog ';' buffer_declaration: buffer_type any_identifier colon_attribute { if ($3.semantic.name) hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_SEMANTIC, "Semantics are not allowed on buffers."); if (!(ctx->cur_buffer = hlsl_new_buffer(ctx, $1, $2, &$3.reg_reservation, @2))) YYABORT; } buffer_body: '{' declaration_statement_list '}' { ctx->cur_buffer = ctx->globals_buffer; } buffer_type: KW_CBUFFER { $$ = HLSL_BUFFER_CONSTANT; } | KW_TBUFFER { $$ = HLSL_BUFFER_TEXTURE; } declaration_statement_list: %empty | declaration_statement_list declaration_statement preproc_directive: PRE_LINE STRING { const char **new_array = NULL; ctx->location.line = $1; if (strcmp($2, ctx->location.source_name)) new_array = hlsl_realloc(ctx, ctx->source_files, sizeof(*ctx->source_files) * (ctx->source_files_count + 1)); if (new_array) { ctx->source_files = new_array; ctx->source_files[ctx->source_files_count++] = $2; ctx->location.source_name = $2; } else { vkd3d_free($2); } } struct_declaration: var_modifiers struct_spec variables_def_optional ';' { struct hlsl_type *type; unsigned int modifiers = $1; if (!$3) { if (!$2->name) hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_INVALID_SYNTAX, "Anonymous struct type must declare a variable."); if (modifiers) hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Modifiers are not allowed on struct type declarations."); } if (!(type = apply_type_modifiers(ctx, $2, &modifiers, true, &@1))) YYABORT; $$ = declare_vars(ctx, type, modifiers, &@1, $3); } struct_spec: named_struct_spec | unnamed_struct_spec named_struct_spec: KW_STRUCT any_identifier '{' fields_list '}' { bool ret; $$ = hlsl_new_struct_type(ctx, $2, $4.fields, $4.count); if (hlsl_get_var(ctx->cur_scope, $2)) { hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "\"%s\" is already declared as a variable.", $2); YYABORT; } ret = hlsl_scope_add_type(ctx->cur_scope, $$); if (!ret) { hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "Struct \"%s\" is already defined.", $2); YYABORT; } } unnamed_struct_spec: KW_STRUCT '{' fields_list '}' { $$ = hlsl_new_struct_type(ctx, NULL, $3.fields, $3.count); } any_identifier: VAR_IDENTIFIER | TYPE_IDENTIFIER | NEW_IDENTIFIER fields_list: %empty { $$.fields = NULL; $$.count = 0; $$.capacity = 0; } | fields_list field { size_t i; for (i = 0; i < $2.count; ++i) { const struct hlsl_struct_field *field = &$2.fields[i]; const struct hlsl_struct_field *existing; if ((existing = get_struct_field($1.fields, $1.count, field->name))) { hlsl_error(ctx, &field->loc, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "Field \"%s\" is already defined.", field->name); hlsl_note(ctx, &existing->loc, VKD3D_SHADER_LOG_ERROR, "'%s' was previously defined here.", field->name); } } if (!hlsl_array_reserve(ctx, (void **)&$1.fields, &$1.capacity, $1.count + $2.count, sizeof(*$1.fields))) YYABORT; memcpy($1.fields + $1.count, $2.fields, $2.count * sizeof(*$2.fields)); $1.count += $2.count; vkd3d_free($2.fields); $$ = $1; } field_type: type | unnamed_struct_spec field: var_modifiers field_type variables_def ';' { struct hlsl_type *type; unsigned int modifiers = $1; if (!(type = apply_type_modifiers(ctx, $2, &modifiers, true, &@1))) YYABORT; if (modifiers & ~HLSL_STORAGE_NOINTERPOLATION) { struct vkd3d_string_buffer *string; if ((string = hlsl_modifiers_to_string(ctx, modifiers))) hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Modifiers '%s' are not allowed on struct fields.", string->buffer); hlsl_release_string_buffer(ctx, string); } if (!gen_struct_fields(ctx, &$$, type, modifiers, $3)) YYABORT; } attribute: '[' any_identifier ']' { if (!($$ = hlsl_alloc(ctx, offsetof(struct hlsl_attribute, args[0])))) { vkd3d_free($2); YYABORT; } $$->name = $2; list_init(&$$->instrs); $$->loc = @$; $$->args_count = 0; } | '[' any_identifier '(' initializer_expr_list ')' ']' { unsigned int i; if (!($$ = hlsl_alloc(ctx, offsetof(struct hlsl_attribute, args[$4.args_count])))) { vkd3d_free($2); free_parse_initializer(&$4); YYABORT; } $$->name = $2; list_init(&$$->instrs); list_move_tail(&$$->instrs, $4.instrs); vkd3d_free($4.instrs); $$->loc = @$; $$->args_count = $4.args_count; for (i = 0; i < $4.args_count; ++i) hlsl_src_from_node(&$$->args[i], $4.args[i]); } attribute_list: attribute { $$.count = 1; if (!($$.attrs = hlsl_alloc(ctx, sizeof(*$$.attrs)))) { hlsl_free_attribute($1); YYABORT; } $$.attrs[0] = $1; } | attribute_list attribute { const struct hlsl_attribute **new_array; $$ = $1; if (!(new_array = vkd3d_realloc($$.attrs, ($$.count + 1) * sizeof(*$$.attrs)))) { unsigned int i; for (i = 0; i < $$.count; ++i) hlsl_free_attribute((void *)$$.attrs[i]); vkd3d_free($$.attrs); YYABORT; } $$.attrs = new_array; $$.attrs[$$.count++] = $2; } func_declaration: func_prototype compound_statement { struct hlsl_ir_function_decl *decl = $1.decl; if (decl->has_body) { hlsl_error(ctx, &decl->loc, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "Function \"%s\" is already defined.", decl->func->name); hlsl_note(ctx, &decl->loc, VKD3D_SHADER_LOG_ERROR, "\"%s\" was previously defined here.", decl->func->name); hlsl_free_instr_list($2); } else { size_t i; decl->has_body = true; list_move_tail(&decl->body.instrs, $2); vkd3d_free($2); /* Semantics are taken from whichever definition has a body. * We can't just replace the hlsl_ir_var pointers, though: if * the function was already declared but not defined, the * callers would have used the old declaration's parameters to * transfer arguments. */ if (!$1.first) { assert(decl->parameters.count == $1.parameters.count); for (i = 0; i < $1.parameters.count; ++i) { struct hlsl_ir_var *dst = decl->parameters.vars[i]; struct hlsl_ir_var *src = $1.parameters.vars[i]; hlsl_cleanup_semantic(&dst->semantic); dst->semantic = src->semantic; memset(&src->semantic, 0, sizeof(src->semantic)); } if (decl->return_var) { hlsl_cleanup_semantic(&decl->return_var->semantic); decl->return_var->semantic = $1.return_semantic; memset(&$1.return_semantic, 0, sizeof($1.return_semantic)); } } } hlsl_pop_scope(ctx); if (!$1.first) { vkd3d_free($1.parameters.vars); hlsl_cleanup_semantic(&$1.return_semantic); } } | func_prototype ';' { hlsl_pop_scope(ctx); } func_prototype_no_attrs: /* var_modifiers is necessary to avoid shift/reduce conflicts. */ var_modifiers type var_identifier '(' parameters ')' colon_attribute { unsigned int modifiers = $1; struct hlsl_ir_var *var; struct hlsl_type *type; if (modifiers & ~HLSL_MODIFIERS_MAJORITY_MASK) hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Only majority modifiers are allowed on functions."); if (!(type = apply_type_modifiers(ctx, $2, &modifiers, true, &@1))) YYABORT; if ((var = hlsl_get_var(ctx->globals, $3))) { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "\"%s\" is already declared as a variable.", $3); hlsl_note(ctx, &var->loc, VKD3D_SHADER_LOG_ERROR, "\"%s\" was previously declared here.", $3); } if (hlsl_types_are_equal(type, ctx->builtin_types.Void) && $7.semantic.name) { hlsl_error(ctx, &@7, VKD3D_SHADER_ERROR_HLSL_INVALID_SEMANTIC, "Semantics are not allowed on void functions."); } if ($7.reg_reservation.type) FIXME("Unexpected register reservation for a function.\n"); if (($$.decl = get_func_decl(&ctx->functions, $3, &$5))) { const struct hlsl_func_parameters *params = &$$.decl->parameters; size_t i; if (!hlsl_types_are_equal($2, $$.decl->return_type)) { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "\"%s\" was already declared with a different return type.", $3); hlsl_note(ctx, &$$.decl->loc, VKD3D_SHADER_LOG_ERROR, "\"%s\" was previously declared here.", $3); } vkd3d_free($3); /* We implement function invocation by copying to input * parameters, emitting a HLSL_IR_CALL instruction, then copying * from output parameters. As a result, we need to use the same * parameter variables for every invocation of this function, * which means we use the parameters created by the first * declaration. If we're not the first declaration, the * parameter variables that just got created will end up being * mostly ignored—in particular, they won't be used in actual * IR. * * There is a hitch: if this is the actual definition, the * function body will look up parameter variables by name. We * must return the original parameters, and not the ones we just * created, but we're in the wrong scope, and the parameters * might not even have the same names. * * Therefore we need to shuffle the parameters we just created * into a dummy scope where they'll never be looked up, and * rename the original parameters so they have the expected * names. We actually do this for every prototype: we don't know * whether this is the function definition yet, but it doesn't * really matter. The variables can only be used in the * actual definition, and don't do anything in a declaration. * * This is complex, and it seems tempting to avoid this logic by * putting arguments into the HLSL_IR_CALL instruction, letting * the canonical variables be the ones attached to the function * definition, and resolving the copies when inlining. The * problem with this is output parameters. We would have to use * a lot of parsing logic on already lowered IR, which is * brittle and ugly. */ assert($5.count == params->count); for (i = 0; i < params->count; ++i) { struct hlsl_ir_var *orig_param = params->vars[i]; struct hlsl_ir_var *new_param = $5.vars[i]; char *new_name; list_remove(&orig_param->scope_entry); list_add_tail(&ctx->cur_scope->vars, &orig_param->scope_entry); list_remove(&new_param->scope_entry); list_add_tail(&ctx->dummy_scope->vars, &new_param->scope_entry); if (!(new_name = hlsl_strdup(ctx, new_param->name))) YYABORT; vkd3d_free((void *)orig_param->name); orig_param->name = new_name; } $$.first = false; $$.parameters = $5; $$.return_semantic = $7.semantic; } else { if (!($$.decl = hlsl_new_func_decl(ctx, type, &$5, &$7.semantic, &@3))) YYABORT; hlsl_add_function(ctx, $3, $$.decl); $$.first = true; } ctx->cur_function = $$.decl; } func_prototype: func_prototype_no_attrs | attribute_list func_prototype_no_attrs { if ($2.first) { $2.decl->attr_count = $1.count; $2.decl->attrs = $1.attrs; } else { free($1.attrs); } $$ = $2; } compound_statement: '{' '}' { if (!($$ = make_empty_list(ctx))) YYABORT; } | '{' scope_start statement_list '}' { hlsl_pop_scope(ctx); $$ = $3; } scope_start: %empty { hlsl_push_scope(ctx); } var_identifier: VAR_IDENTIFIER | NEW_IDENTIFIER colon_attribute: %empty { $$.semantic.name = NULL; $$.reg_reservation.type = 0; } | semantic { $$.semantic = $1; $$.reg_reservation.type = 0; } | register_opt { $$.semantic.name = NULL; $$.reg_reservation = $1; } semantic: ':' any_identifier { char *p; for (p = $2 + strlen($2); p > $2 && isdigit(p[-1]); --p) ; $$.name = $2; $$.index = atoi(p); *p = 0; } /* FIXME: Writemasks */ register_opt: ':' KW_REGISTER '(' any_identifier ')' { $$ = parse_reg_reservation($4); vkd3d_free($4); } | ':' KW_REGISTER '(' any_identifier ',' any_identifier ')' { FIXME("Ignoring shader target %s in a register reservation.\n", debugstr_a($4)); vkd3d_free($4); $$ = parse_reg_reservation($6); vkd3d_free($6); } parameters: scope_start { memset(&$$, 0, sizeof($$)); } | scope_start KW_VOID { memset(&$$, 0, sizeof($$)); } | scope_start param_list { $$ = $2; } param_list: parameter { memset(&$$, 0, sizeof($$)); if (!add_func_parameter(ctx, &$$, &$1, @1)) { ERR("Error adding function parameter %s.\n", $1.name); YYABORT; } } | param_list ',' parameter { $$ = $1; if (!add_func_parameter(ctx, &$$, &$3, @3)) { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "Parameter \"%s\" is already declared.", $3.name); YYABORT; } } parameter: var_modifiers type_no_void any_identifier arrays colon_attribute { unsigned int modifiers = $1; struct hlsl_type *type; unsigned int i; if (!(type = apply_type_modifiers(ctx, $2, &modifiers, true, &@1))) YYABORT; $$.modifiers = modifiers; if (!($$.modifiers & (HLSL_STORAGE_IN | HLSL_STORAGE_OUT))) $$.modifiers |= HLSL_STORAGE_IN; for (i = 0; i < $4.count; ++i) { if ($4.sizes[i] == HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT) { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Implicit size arrays not allowed in function parameters."); } type = hlsl_new_array_type(ctx, type, $4.sizes[i]); } $$.type = type; $$.name = $3; $$.semantic = $5.semantic; $$.reg_reservation = $5.reg_reservation; } texture_type: KW_TEXTURE1D { $$ = HLSL_SAMPLER_DIM_1D; } | KW_TEXTURE2D { $$ = HLSL_SAMPLER_DIM_2D; } | KW_TEXTURE3D { $$ = HLSL_SAMPLER_DIM_3D; } | KW_TEXTURECUBE { $$ = HLSL_SAMPLER_DIM_CUBE; } | KW_TEXTURE1DARRAY { $$ = HLSL_SAMPLER_DIM_1DARRAY; } | KW_TEXTURE2DARRAY { $$ = HLSL_SAMPLER_DIM_2DARRAY; } | KW_TEXTURECUBEARRAY { $$ = HLSL_SAMPLER_DIM_CUBEARRAY; } texture_ms_type: KW_TEXTURE2DMS { $$ = HLSL_SAMPLER_DIM_2DMS; } | KW_TEXTURE2DMSARRAY { $$ = HLSL_SAMPLER_DIM_2DMSARRAY; } uav_type: KW_RWTEXTURE1D { $$ = HLSL_SAMPLER_DIM_1D; } | KW_RWTEXTURE2D { $$ = HLSL_SAMPLER_DIM_2D; } | KW_RWTEXTURE3D { $$ = HLSL_SAMPLER_DIM_3D; } type_no_void: KW_VECTOR '<' type ',' C_INTEGER '>' { if ($3->class != HLSL_CLASS_SCALAR) { struct vkd3d_string_buffer *string; string = hlsl_type_to_string(ctx, $3); if (string) hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Vector base type %s is not scalar.", string->buffer); hlsl_release_string_buffer(ctx, string); YYABORT; } if ($5 < 1 || $5 > 4) { hlsl_error(ctx, &@5, VKD3D_SHADER_ERROR_HLSL_INVALID_SIZE, "Vector size %d is not between 1 and 4.", $5); YYABORT; } $$ = hlsl_type_clone(ctx, hlsl_get_vector_type(ctx, $3->base_type, $5), 0, 0); $$->is_minimum_precision = $3->is_minimum_precision; } | KW_VECTOR { $$ = hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, 4); } | KW_MATRIX '<' type ',' C_INTEGER ',' C_INTEGER '>' { if ($3->class != HLSL_CLASS_SCALAR) { struct vkd3d_string_buffer *string; string = hlsl_type_to_string(ctx, $3); if (string) hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Matrix base type %s is not scalar.", string->buffer); hlsl_release_string_buffer(ctx, string); YYABORT; } if ($5 < 1 || $5 > 4) { hlsl_error(ctx, &@5, VKD3D_SHADER_ERROR_HLSL_INVALID_SIZE, "Matrix row count %d is not between 1 and 4.", $5); YYABORT; } if ($7 < 1 || $7 > 4) { hlsl_error(ctx, &@7, VKD3D_SHADER_ERROR_HLSL_INVALID_SIZE, "Matrix column count %d is not between 1 and 4.", $7); YYABORT; } $$ = hlsl_type_clone(ctx, hlsl_get_matrix_type(ctx, $3->base_type, $7, $5), 0, 0); $$->is_minimum_precision = $3->is_minimum_precision; } | KW_MATRIX { $$ = hlsl_get_matrix_type(ctx, HLSL_TYPE_FLOAT, 4, 4); } | KW_SAMPLER { $$ = ctx->builtin_types.sampler[HLSL_SAMPLER_DIM_GENERIC]; } | KW_SAMPLER1D { $$ = ctx->builtin_types.sampler[HLSL_SAMPLER_DIM_1D]; } | KW_SAMPLER2D { $$ = ctx->builtin_types.sampler[HLSL_SAMPLER_DIM_2D]; } | KW_SAMPLER3D { $$ = ctx->builtin_types.sampler[HLSL_SAMPLER_DIM_3D]; } | KW_SAMPLERCUBE { $$ = ctx->builtin_types.sampler[HLSL_SAMPLER_DIM_3D]; } | KW_TEXTURE { $$ = hlsl_new_texture_type(ctx, HLSL_SAMPLER_DIM_GENERIC, NULL, 0); } | texture_type { $$ = hlsl_new_texture_type(ctx, $1, hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, 4), 0); } | texture_type '<' type '>' { validate_texture_format_type(ctx, $3, &@3); $$ = hlsl_new_texture_type(ctx, $1, $3, 0); } | texture_ms_type '<' type '>' { validate_texture_format_type(ctx, $3, &@3); /* TODO: unspecified sample count is not allowed for all targets */ $$ = hlsl_new_texture_type(ctx, $1, $3, 0); } | texture_ms_type '<' type ',' shift_expr '>' { unsigned int sample_count = evaluate_static_expression(node_from_list($5)); destroy_instr_list($5); $$ = hlsl_new_texture_type(ctx, $1, $3, sample_count); } | uav_type '<' type '>' { if ($3->class > HLSL_CLASS_VECTOR) { struct vkd3d_string_buffer *string; string = hlsl_type_to_string(ctx, $3); if (string) hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "UAV data type %s is not scalar or vector.", string->buffer); hlsl_release_string_buffer(ctx, string); } $$ = hlsl_new_uav_type(ctx, $1, $3); } | TYPE_IDENTIFIER { $$ = hlsl_get_type(ctx->cur_scope, $1, true, true); if ($$->is_minimum_precision) { if (ctx->profile->major_version < 4) { hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Target profile doesn't support minimum-precision types."); } else { FIXME("Reinterpreting type %s.\n", $$->name); } } vkd3d_free($1); } | KW_STRUCT TYPE_IDENTIFIER { $$ = hlsl_get_type(ctx->cur_scope, $2, true, true); if ($$->class != HLSL_CLASS_STRUCT) hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "\"%s\" redefined as a structure.", $2); vkd3d_free($2); } type: type_no_void | KW_VOID { $$ = ctx->builtin_types.Void; } declaration_statement: declaration | struct_declaration | typedef { if (!($$ = make_empty_list(ctx))) YYABORT; } typedef_type: type | struct_spec typedef: KW_TYPEDEF var_modifiers typedef_type type_specs ';' { struct parse_variable_def *v, *v_next; unsigned int modifiers = $2; struct hlsl_type *type; if (!(type = apply_type_modifiers(ctx, $3, &modifiers, false, &@2))) { LIST_FOR_EACH_ENTRY_SAFE(v, v_next, $4, struct parse_variable_def, entry) free_parse_variable_def(v); vkd3d_free($4); YYABORT; } if (modifiers) { hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Storage modifiers are not allowed on typedefs."); LIST_FOR_EACH_ENTRY_SAFE(v, v_next, $4, struct parse_variable_def, entry) vkd3d_free(v); vkd3d_free($4); YYABORT; } if (!add_typedef(ctx, type, $4)) YYABORT; } type_specs: type_spec { if (!($$ = make_empty_list(ctx))) YYABORT; list_add_head($$, &$1->entry); } | type_specs ',' type_spec { $$ = $1; list_add_tail($$, &$3->entry); } type_spec: any_identifier arrays { $$ = hlsl_alloc(ctx, sizeof(*$$)); $$->loc = @1; $$->name = $1; $$->arrays = $2; } declaration: var_modifiers type variables_def ';' { struct hlsl_type *type; unsigned int modifiers = $1; if (!(type = apply_type_modifiers(ctx, $2, &modifiers, true, &@1))) YYABORT; $$ = declare_vars(ctx, type, modifiers, &@1, $3); } variables_def_optional: %empty { $$ = NULL; } | variables_def variables_def: variable_def { if (!($$ = make_empty_list(ctx))) YYABORT; list_add_head($$, &$1->entry); } | variables_def ',' variable_def { $$ = $1; list_add_tail($$, &$3->entry); } variable_decl: any_identifier arrays colon_attribute { $$ = hlsl_alloc(ctx, sizeof(*$$)); $$->loc = @1; $$->name = $1; $$->arrays = $2; $$->semantic = $3.semantic; $$->reg_reservation = $3.reg_reservation; } state: any_identifier '=' expr ';' { vkd3d_free($1); hlsl_free_instr_list($3); } state_block_start: %empty { ctx->in_state_block = 1; } state_block: %empty | state_block state variable_def: variable_decl | variable_decl '=' complex_initializer { $$ = $1; $$->initializer = $3; } | variable_decl '{' state_block_start state_block '}' { $$ = $1; ctx->in_state_block = 0; } arrays: %empty { $$.sizes = NULL; $$.count = 0; } | '[' expr ']' arrays { unsigned int size = evaluate_static_expression(node_from_list($2)); uint32_t *new_array; destroy_instr_list($2); $$ = $4; if (!size) { hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_INVALID_SIZE, "Array size is not a positive integer constant."); vkd3d_free($$.sizes); YYABORT; } if (size > 65536) { hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_INVALID_SIZE, "Array size %u is not between 1 and 65536.", size); vkd3d_free($$.sizes); YYABORT; } if (!(new_array = hlsl_realloc(ctx, $$.sizes, ($$.count + 1) * sizeof(*new_array)))) { vkd3d_free($$.sizes); YYABORT; } $$.sizes = new_array; $$.sizes[$$.count++] = size; } | '[' ']' arrays { uint32_t *new_array; $$ = $3; if (!(new_array = hlsl_realloc(ctx, $$.sizes, ($$.count + 1) * sizeof(*new_array)))) { vkd3d_free($$.sizes); YYABORT; } $$.sizes = new_array; $$.sizes[$$.count++] = HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT; } var_modifiers: %empty { $$ = 0; } | KW_EXTERN var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_EXTERN, @1); } | KW_NOINTERPOLATION var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_NOINTERPOLATION, @1); } | KW_PRECISE var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_MODIFIER_PRECISE, @1); } | KW_SHARED var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_SHARED, @1); } | KW_GROUPSHARED var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_GROUPSHARED, @1); } | KW_STATIC var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_STATIC, @1); } | KW_UNIFORM var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_UNIFORM, @1); } | KW_VOLATILE var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_MODIFIER_VOLATILE, @1); } | KW_CONST var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_MODIFIER_CONST, @1); } | KW_ROW_MAJOR var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_MODIFIER_ROW_MAJOR, @1); } | KW_COLUMN_MAJOR var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_MODIFIER_COLUMN_MAJOR, @1); } | KW_IN var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_IN, @1); } | KW_OUT var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_OUT, @1); } | KW_INOUT var_modifiers { $$ = add_modifiers(ctx, $2, HLSL_STORAGE_IN | HLSL_STORAGE_OUT, @1); } complex_initializer: initializer_expr { $$.args_count = 1; if (!($$.args = hlsl_alloc(ctx, sizeof(*$$.args)))) { destroy_instr_list($1); YYABORT; } $$.args[0] = node_from_list($1); $$.instrs = $1; $$.braces = false; } | '{' complex_initializer_list '}' { $$ = $2; $$.braces = true; } | '{' complex_initializer_list ',' '}' { $$ = $2; $$.braces = true; } complex_initializer_list: complex_initializer | complex_initializer_list ',' complex_initializer { struct hlsl_ir_node **new_args; unsigned int i; $$ = $1; if (!(new_args = hlsl_realloc(ctx, $$.args, ($$.args_count + $3.args_count) * sizeof(*$$.args)))) { free_parse_initializer(&$$); free_parse_initializer(&$3); YYABORT; } $$.args = new_args; for (i = 0; i < $3.args_count; ++i) $$.args[$$.args_count++] = $3.args[i]; list_move_tail($$.instrs, $3.instrs); free_parse_initializer(&$3); } initializer_expr: assignment_expr initializer_expr_list: initializer_expr { $$.args_count = 1; if (!($$.args = hlsl_alloc(ctx, sizeof(*$$.args)))) { destroy_instr_list($1); YYABORT; } $$.args[0] = node_from_list($1); $$.instrs = $1; $$.braces = false; } | initializer_expr_list ',' initializer_expr { struct hlsl_ir_node **new_args; $$ = $1; if (!(new_args = hlsl_realloc(ctx, $$.args, ($$.args_count + 1) * sizeof(*$$.args)))) { free_parse_initializer(&$$); destroy_instr_list($3); YYABORT; } $$.args = new_args; $$.args[$$.args_count++] = node_from_list($3); list_move_tail($$.instrs, $3); vkd3d_free($3); } boolean: KW_TRUE { $$ = true; } | KW_FALSE { $$ = false; } statement_list: statement | statement_list statement { $$ = $1; list_move_tail($$, $2); vkd3d_free($2); } statement: declaration_statement | expr_statement | compound_statement | jump_statement | selection_statement | loop_statement jump_statement: KW_RETURN expr ';' { if (!add_return(ctx, $2, node_from_list($2), @1)) YYABORT; $$ = $2; } | KW_RETURN ';' { if (!($$ = make_empty_list(ctx))) YYABORT; if (!add_return(ctx, $$, NULL, @1)) YYABORT; } selection_statement: KW_IF '(' expr ')' if_body { struct hlsl_ir_node *condition = node_from_list($3); struct hlsl_ir_if *instr; if (!(instr = hlsl_new_if(ctx, condition, @1))) YYABORT; list_move_tail(&instr->then_instrs.instrs, $5.then_instrs); if ($5.else_instrs) list_move_tail(&instr->else_instrs.instrs, $5.else_instrs); vkd3d_free($5.then_instrs); vkd3d_free($5.else_instrs); if (condition->data_type->dimx > 1 || condition->data_type->dimy > 1) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, condition->data_type))) hlsl_error(ctx, &instr->node.loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "if condition type %s is not scalar.", string->buffer); hlsl_release_string_buffer(ctx, string); } $$ = $3; list_add_tail($$, &instr->node.entry); } if_body: statement { $$.then_instrs = $1; $$.else_instrs = NULL; } | statement KW_ELSE statement { $$.then_instrs = $1; $$.else_instrs = $3; } loop_statement: KW_WHILE '(' expr ')' statement { $$ = create_loop(ctx, LOOP_WHILE, NULL, $3, NULL, $5, @1); } | KW_DO statement KW_WHILE '(' expr ')' ';' { $$ = create_loop(ctx, LOOP_DO_WHILE, NULL, $5, NULL, $2, @1); } | KW_FOR '(' scope_start expr_statement expr_statement expr_optional ')' statement { $$ = create_loop(ctx, LOOP_FOR, $4, $5, $6, $8, @1); hlsl_pop_scope(ctx); } | KW_FOR '(' scope_start declaration expr_statement expr_optional ')' statement { $$ = create_loop(ctx, LOOP_FOR, $4, $5, $6, $8, @1); hlsl_pop_scope(ctx); } expr_optional: %empty { if (!($$ = make_empty_list(ctx))) YYABORT; } | expr expr_statement: expr_optional ';' { $$ = $1; } func_arguments: %empty { $$.args = NULL; $$.args_count = 0; if (!($$.instrs = make_empty_list(ctx))) YYABORT; $$.braces = false; } | initializer_expr_list primary_expr: C_FLOAT { struct hlsl_ir_constant *c; if (!(c = hlsl_new_float_constant(ctx, $1, &@1))) YYABORT; if (!($$ = make_list(ctx, &c->node))) YYABORT; } | C_INTEGER { struct hlsl_ir_constant *c; if (!(c = hlsl_new_int_constant(ctx, $1, &@1))) YYABORT; if (!($$ = make_list(ctx, &c->node))) YYABORT; } | boolean { struct hlsl_ir_constant *c; if (!(c = hlsl_new_bool_constant(ctx, $1, &@1))) YYABORT; if (!($$ = make_list(ctx, &c->node))) { hlsl_free_instr(&c->node); YYABORT; } } | VAR_IDENTIFIER { struct hlsl_ir_load *load; struct hlsl_ir_var *var; if (!(var = hlsl_get_var(ctx->cur_scope, $1))) { hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED, "Variable \"%s\" is not defined.", $1); YYABORT; } if (!(load = hlsl_new_var_load(ctx, var, @1))) YYABORT; if (!($$ = make_list(ctx, &load->node))) YYABORT; } | '(' expr ')' { $$ = $2; } | var_identifier '(' func_arguments ')' { if (!($$ = add_call(ctx, $1, &$3, &@1))) { vkd3d_free($1); YYABORT; } vkd3d_free($1); } | NEW_IDENTIFIER { if (ctx->in_state_block) { struct hlsl_ir_load *load; struct hlsl_ir_var *var; if (!(var = hlsl_new_synthetic_var(ctx, "state_block_expr", hlsl_get_scalar_type(ctx, HLSL_TYPE_INT), &@1))) YYABORT; if (!(load = hlsl_new_var_load(ctx, var, @1))) YYABORT; if (!($$ = make_list(ctx, &load->node))) YYABORT; } else { hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED, "Identifier \"%s\" is not declared.", $1); YYABORT; } } postfix_expr: primary_expr | postfix_expr OP_INC { if (!add_increment(ctx, $1, false, true, @2)) { destroy_instr_list($1); YYABORT; } $$ = $1; } | postfix_expr OP_DEC { if (!add_increment(ctx, $1, true, true, @2)) { destroy_instr_list($1); YYABORT; } $$ = $1; } | postfix_expr '.' any_identifier { struct hlsl_ir_node *node = node_from_list($1); if (node->data_type->class == HLSL_CLASS_STRUCT) { struct hlsl_type *type = node->data_type; const struct hlsl_struct_field *field; unsigned int field_idx = 0; if (!(field = get_struct_field(type->e.record.fields, type->e.record.field_count, $3))) { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED, "Field \"%s\" is not defined.", $3); YYABORT; } field_idx = field - type->e.record.fields; if (!add_record_load(ctx, $1, node, field_idx, @2)) YYABORT; $$ = $1; } else if (node->data_type->class <= HLSL_CLASS_LAST_NUMERIC) { struct hlsl_ir_swizzle *swizzle; if (!(swizzle = get_swizzle(ctx, node, $3, &@3))) { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_SYNTAX, "Invalid swizzle \"%s\".", $3); YYABORT; } list_add_tail($1, &swizzle->node.entry); $$ = $1; } else { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_SYNTAX, "Invalid subscript \"%s\".", $3); YYABORT; } } | postfix_expr '[' expr ']' { struct hlsl_ir_node *array = node_from_list($1), *index = node_from_list($3); list_move_tail($1, $3); vkd3d_free($3); if (!add_array_load(ctx, $1, array, index, &@2)) { destroy_instr_list($1); YYABORT; } $$ = $1; } /* var_modifiers is necessary to avoid shift/reduce conflicts. */ | var_modifiers type '(' initializer_expr_list ')' { if ($1) { hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Modifiers are not allowed on constructors."); free_parse_initializer(&$4); YYABORT; } if ($2->class > HLSL_CLASS_LAST_NUMERIC) { struct vkd3d_string_buffer *string; if ((string = hlsl_type_to_string(ctx, $2))) hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Constructor data type %s is not numeric.", string->buffer); hlsl_release_string_buffer(ctx, string); free_parse_initializer(&$4); YYABORT; } if ($2->dimx * $2->dimy != initializer_size(&$4)) { hlsl_error(ctx, &@4, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT, "Expected %u components in constructor, but got %u.", $2->dimx * $2->dimy, initializer_size(&$4)); free_parse_initializer(&$4); YYABORT; } if (!($$ = add_constructor(ctx, $2, &$4, @2))) { free_parse_initializer(&$4); YYABORT; } } | postfix_expr '.' any_identifier '(' func_arguments ')' { struct hlsl_ir_node *object = node_from_list($1); list_move_tail($1, $5.instrs); vkd3d_free($5.instrs); if (!add_method_call(ctx, $1, object, $3, &$5, &@3)) { hlsl_free_instr_list($1); vkd3d_free($5.args); YYABORT; } vkd3d_free($5.args); $$ = $1; } unary_expr: postfix_expr | OP_INC unary_expr { if (!add_increment(ctx, $2, false, false, @1)) { destroy_instr_list($2); YYABORT; } $$ = $2; } | OP_DEC unary_expr { if (!add_increment(ctx, $2, true, false, @1)) { destroy_instr_list($2); YYABORT; } $$ = $2; } | '+' unary_expr { $$ = $2; } | '-' unary_expr { add_unary_arithmetic_expr(ctx, $2, HLSL_OP1_NEG, node_from_list($2), &@1); $$ = $2; } | '~' unary_expr { add_unary_bitwise_expr(ctx, $2, HLSL_OP1_BIT_NOT, node_from_list($2), &@1); $$ = $2; } | '!' unary_expr { add_unary_logical_expr(ctx, $2, HLSL_OP1_LOGIC_NOT, node_from_list($2), &@1); $$ = $2; } /* var_modifiers is necessary to avoid shift/reduce conflicts. */ | '(' var_modifiers type arrays ')' unary_expr { struct hlsl_type *src_type = node_from_list($6)->data_type; struct hlsl_type *dst_type; unsigned int i; if ($2) { hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER, "Modifiers are not allowed on casts."); YYABORT; } dst_type = $3; for (i = 0; i < $4.count; ++i) { if ($4.sizes[i] == HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT) { hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Implicit size arrays not allowed in casts."); } dst_type = hlsl_new_array_type(ctx, dst_type, $4.sizes[i]); } if (!explicit_compatible_data_types(ctx, src_type, dst_type)) { struct vkd3d_string_buffer *src_string, *dst_string; src_string = hlsl_type_to_string(ctx, src_type); dst_string = hlsl_type_to_string(ctx, dst_type); if (src_string && dst_string) hlsl_error(ctx, &@3, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE, "Can't cast from %s to %s.", src_string->buffer, dst_string->buffer); hlsl_release_string_buffer(ctx, src_string); hlsl_release_string_buffer(ctx, dst_string); YYABORT; } if (!add_cast(ctx, $6, node_from_list($6), dst_type, &@3)) { hlsl_free_instr_list($6); YYABORT; } $$ = $6; } mul_expr: unary_expr | mul_expr '*' unary_expr { $$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_MUL, @2); } | mul_expr '/' unary_expr { $$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_DIV, @2); } | mul_expr '%' unary_expr { $$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_MOD, @2); } add_expr: mul_expr | add_expr '+' mul_expr { $$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_ADD, @2); } | add_expr '-' mul_expr { struct hlsl_ir_node *neg; if (!(neg = hlsl_new_unary_expr(ctx, HLSL_OP1_NEG, node_from_list($3), @2))) YYABORT; list_add_tail($3, &neg->entry); $$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_ADD, @2); } shift_expr: add_expr | shift_expr OP_LEFTSHIFT add_expr { $$ = add_binary_shift_expr_merge(ctx, $1, $3, HLSL_OP2_LSHIFT, &@2); } | shift_expr OP_RIGHTSHIFT add_expr { $$ = add_binary_shift_expr_merge(ctx, $1, $3, HLSL_OP2_RSHIFT, &@2); } relational_expr: shift_expr | relational_expr '<' shift_expr { $$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_LESS, @2); } | relational_expr '>' shift_expr { $$ = add_binary_comparison_expr_merge(ctx, $3, $1, HLSL_OP2_LESS, @2); } | relational_expr OP_LE shift_expr { $$ = add_binary_comparison_expr_merge(ctx, $3, $1, HLSL_OP2_GEQUAL, @2); } | relational_expr OP_GE shift_expr { $$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_GEQUAL, @2); } equality_expr: relational_expr | equality_expr OP_EQ relational_expr { $$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_EQUAL, @2); } | equality_expr OP_NE relational_expr { $$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_NEQUAL, @2); } bitand_expr: equality_expr | bitand_expr '&' equality_expr { $$ = add_binary_bitwise_expr_merge(ctx, $1, $3, HLSL_OP2_BIT_AND, &@2); } bitxor_expr: bitand_expr | bitxor_expr '^' bitand_expr { $$ = add_binary_bitwise_expr_merge(ctx, $1, $3, HLSL_OP2_BIT_XOR, &@2); } bitor_expr: bitxor_expr | bitor_expr '|' bitxor_expr { $$ = add_binary_bitwise_expr_merge(ctx, $1, $3, HLSL_OP2_BIT_OR, &@2); } logicand_expr: bitor_expr | logicand_expr OP_AND bitor_expr { $$ = add_binary_logical_expr_merge(ctx, $1, $3, HLSL_OP2_LOGIC_AND, &@2); } logicor_expr: logicand_expr | logicor_expr OP_OR logicand_expr { $$ = add_binary_logical_expr_merge(ctx, $1, $3, HLSL_OP2_LOGIC_OR, &@2); } conditional_expr: logicor_expr | logicor_expr '?' expr ':' assignment_expr { hlsl_fixme(ctx, &@$, "Ternary operator."); } assignment_expr: conditional_expr | unary_expr assign_op assignment_expr { struct hlsl_ir_node *lhs = node_from_list($1), *rhs = node_from_list($3); if (lhs->data_type->modifiers & HLSL_MODIFIER_CONST) { hlsl_error(ctx, &@2, VKD3D_SHADER_ERROR_HLSL_MODIFIES_CONST, "Statement modifies a const expression."); YYABORT; } list_move_tail($3, $1); vkd3d_free($1); if (!add_assignment(ctx, $3, lhs, $2, rhs)) YYABORT; $$ = $3; } assign_op: '=' { $$ = ASSIGN_OP_ASSIGN; } | OP_ADDASSIGN { $$ = ASSIGN_OP_ADD; } | OP_SUBASSIGN { $$ = ASSIGN_OP_SUB; } | OP_MULASSIGN { $$ = ASSIGN_OP_MUL; } | OP_DIVASSIGN { $$ = ASSIGN_OP_DIV; } | OP_MODASSIGN { $$ = ASSIGN_OP_MOD; } | OP_LEFTSHIFTASSIGN { $$ = ASSIGN_OP_LSHIFT; } | OP_RIGHTSHIFTASSIGN { $$ = ASSIGN_OP_RSHIFT; } | OP_ANDASSIGN { $$ = ASSIGN_OP_AND; } | OP_ORASSIGN { $$ = ASSIGN_OP_OR; } | OP_XORASSIGN { $$ = ASSIGN_OP_XOR; } expr: assignment_expr | expr ',' assignment_expr { $$ = $1; list_move_tail($$, $3); vkd3d_free($3); }