/* * HLSL parser * * Copyright 2008 Stefan Dösinger * Copyright 2012 Matteo Bruni 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 */ %{ #include "wine/debug.h" #include #include #include "d3dcompiler_private.h" WINE_DEFAULT_DEBUG_CHANNEL(hlsl_parser); int hlsl_lex(void); struct hlsl_parse_ctx hlsl_ctx; struct YYLTYPE; static struct source_location get_location(const struct YYLTYPE *l); void WINAPIV hlsl_message(const char *fmt, ...) { __ms_va_list args; __ms_va_start(args, fmt); compilation_message(&hlsl_ctx.messages, fmt, args); __ms_va_end(args); } static const char *hlsl_get_error_level_name(enum hlsl_error_level level) { static const char * const names[] = { "error", "warning", "note", }; return names[level]; } void WINAPIV hlsl_report_message(const struct source_location loc, enum hlsl_error_level level, const char *fmt, ...) { __ms_va_list args; char *string = NULL; int rc, size = 0; while (1) { __ms_va_start(args, fmt); rc = vsnprintf(string, size, fmt, args); __ms_va_end(args); if (rc >= 0 && rc < size) break; if (rc >= size) size = rc + 1; else size = size ? size * 2 : 32; if (!string) string = d3dcompiler_alloc(size); else string = d3dcompiler_realloc(string, size); if (!string) { ERR("Error reallocating memory for a string.\n"); return; } } hlsl_message("%s:%u:%u: %s: %s\n", loc.file, loc.line, loc.col, hlsl_get_error_level_name(level), string); d3dcompiler_free(string); if (level == HLSL_LEVEL_ERROR) set_parse_status(&hlsl_ctx.status, PARSE_ERR); else if (level == HLSL_LEVEL_WARNING) set_parse_status(&hlsl_ctx.status, PARSE_WARN); } static void hlsl_error(const char *s) { const struct source_location loc = { .file = hlsl_ctx.source_file, .line = hlsl_ctx.line_no, .col = hlsl_ctx.column, }; hlsl_report_message(loc, HLSL_LEVEL_ERROR, "%s", s); } static void debug_dump_decl(struct hlsl_type *type, DWORD modifiers, const char *declname, unsigned int line_no) { TRACE("Line %u: ", line_no); if (modifiers) TRACE("%s ", debug_modifiers(modifiers)); TRACE("%s %s;\n", debug_hlsl_type(type), declname); } static void check_invalid_matrix_modifiers(DWORD modifiers, struct source_location loc) { if (modifiers & HLSL_MODIFIERS_MAJORITY_MASK) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "'row_major' or 'column_major' modifiers are only allowed for matrices"); } } static BOOL type_is_single_reg(const struct hlsl_type *type) { return type->type == HLSL_CLASS_SCALAR || type->type == HLSL_CLASS_VECTOR; } static BOOL declare_variable(struct hlsl_ir_var *decl, BOOL local) { BOOL ret; TRACE("Declaring variable %s.\n", decl->name); if (decl->data_type->type != HLSL_CLASS_MATRIX) check_invalid_matrix_modifiers(decl->modifiers, decl->loc); if (local) { DWORD invalid = decl->modifiers & (HLSL_STORAGE_EXTERN | HLSL_STORAGE_SHARED | HLSL_STORAGE_GROUPSHARED | HLSL_STORAGE_UNIFORM); if (invalid) { hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR, "modifier '%s' invalid for local variables", debug_modifiers(invalid)); } if (decl->semantic) { hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR, "semantics are not allowed on local variables"); return FALSE; } } else { if (find_function(decl->name)) { hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR, "redefinition of '%s'", decl->name); return FALSE; } } ret = add_declaration(hlsl_ctx.cur_scope, decl, local); if (!ret) { struct hlsl_ir_var *old = get_variable(hlsl_ctx.cur_scope, decl->name); hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR, "\"%s\" already declared", decl->name); hlsl_report_message(old->loc, HLSL_LEVEL_NOTE, "\"%s\" was previously declared here", old->name); return FALSE; } return TRUE; } static DWORD add_modifiers(DWORD modifiers, DWORD mod, const struct source_location loc) { if (modifiers & mod) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifier '%s' already specified", debug_modifiers(mod)); return modifiers; } if ((mod & HLSL_MODIFIERS_MAJORITY_MASK) && (modifiers & HLSL_MODIFIERS_MAJORITY_MASK)) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "more than one matrix majority keyword"); return modifiers; } return modifiers | mod; } static BOOL add_type_to_scope(struct hlsl_scope *scope, struct hlsl_type *def) { if (get_type(scope, def->name, FALSE)) return FALSE; wine_rb_put(&scope->types, def->name, &def->scope_entry); return TRUE; } static void declare_predefined_types(struct hlsl_scope *scope) { struct hlsl_type *type; unsigned int x, y, bt; static const char * const names[] = { "float", "half", "double", "int", "uint", "bool", }; char name[10]; static const char *const sampler_names[] = { "sampler", "sampler1D", "sampler2D", "sampler3D", "samplerCUBE" }; for (bt = 0; bt <= HLSL_TYPE_LAST_SCALAR; ++bt) { for (y = 1; y <= 4; ++y) { for (x = 1; x <= 4; ++x) { sprintf(name, "%s%ux%u", names[bt], y, x); type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_MATRIX, bt, x, y); add_type_to_scope(scope, type); if (y == 1) { sprintf(name, "%s%u", names[bt], x); type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_VECTOR, bt, x, y); add_type_to_scope(scope, type); hlsl_ctx.builtin_types.vector[bt][x - 1] = type; if (x == 1) { sprintf(name, "%s", names[bt]); type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_SCALAR, bt, x, y); add_type_to_scope(scope, type); hlsl_ctx.builtin_types.scalar[bt] = type; } } } } } for (bt = 0; bt <= HLSL_SAMPLER_DIM_MAX; ++bt) { type = new_hlsl_type(d3dcompiler_strdup(sampler_names[bt]), HLSL_CLASS_OBJECT, HLSL_TYPE_SAMPLER, 1, 1); type->sampler_dim = bt; hlsl_ctx.builtin_types.sampler[bt] = type; } hlsl_ctx.builtin_types.Void = new_hlsl_type(d3dcompiler_strdup("void"), HLSL_CLASS_OBJECT, HLSL_TYPE_VOID, 1, 1); /* DX8 effects predefined types */ type = new_hlsl_type(d3dcompiler_strdup("DWORD"), HLSL_CLASS_SCALAR, HLSL_TYPE_INT, 1, 1); add_type_to_scope(scope, type); type = new_hlsl_type(d3dcompiler_strdup("FLOAT"), HLSL_CLASS_SCALAR, HLSL_TYPE_FLOAT, 1, 1); add_type_to_scope(scope, type); type = new_hlsl_type(d3dcompiler_strdup("VECTOR"), HLSL_CLASS_VECTOR, HLSL_TYPE_FLOAT, 4, 1); add_type_to_scope(scope, type); type = new_hlsl_type(d3dcompiler_strdup("MATRIX"), HLSL_CLASS_MATRIX, HLSL_TYPE_FLOAT, 4, 4); add_type_to_scope(scope, type); type = new_hlsl_type(d3dcompiler_strdup("STRING"), HLSL_CLASS_OBJECT, HLSL_TYPE_STRING, 1, 1); add_type_to_scope(scope, type); type = new_hlsl_type(d3dcompiler_strdup("TEXTURE"), HLSL_CLASS_OBJECT, HLSL_TYPE_TEXTURE, 1, 1); add_type_to_scope(scope, type); type = new_hlsl_type(d3dcompiler_strdup("PIXELSHADER"), HLSL_CLASS_OBJECT, HLSL_TYPE_PIXELSHADER, 1, 1); add_type_to_scope(scope, type); type = new_hlsl_type(d3dcompiler_strdup("VERTEXSHADER"), HLSL_CLASS_OBJECT, HLSL_TYPE_VERTEXSHADER, 1, 1); add_type_to_scope(scope, type); } static BOOL type_is_void(const struct hlsl_type *type) { return type->type == HLSL_CLASS_OBJECT && type->base_type == HLSL_TYPE_VOID; } static BOOL append_conditional_break(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_count(cond_list)) return TRUE; condition = node_from_list(cond_list); if (!(not = new_unary_expr(HLSL_IR_UNOP_LOGIC_NOT, condition, condition->loc))) { ERR("Out of memory.\n"); return FALSE; } list_add_tail(cond_list, ¬->entry); if (!(iff = d3dcompiler_alloc(sizeof(*iff)))) { ERR("Out of memory.\n"); return FALSE; } init_node(&iff->node, HLSL_IR_IF, NULL, condition->loc); hlsl_src_from_node(&iff->condition, not); list_add_tail(cond_list, &iff->node.entry); if (!(iff->then_instrs = d3dcompiler_alloc(sizeof(*iff->then_instrs)))) { ERR("Out of memory.\n"); return FALSE; } list_init(iff->then_instrs); if (!(jump = d3dcompiler_alloc(sizeof(*jump)))) { ERR("Out of memory.\n"); return FALSE; } init_node(&jump->node, HLSL_IR_JUMP, NULL, condition->loc); jump->type = HLSL_IR_JUMP_BREAK; list_add_head(iff->then_instrs, &jump->node.entry); return TRUE; } enum loop_type { LOOP_FOR, LOOP_WHILE, LOOP_DO_WHILE }; static struct list *create_loop(enum loop_type type, struct list *init, struct list *cond, struct list *iter, struct list *body, struct source_location loc) { struct list *list = NULL; struct hlsl_ir_loop *loop = NULL; struct hlsl_ir_if *cond_jump = NULL; list = d3dcompiler_alloc(sizeof(*list)); if (!list) goto oom; list_init(list); if (init) list_move_head(list, init); loop = d3dcompiler_alloc(sizeof(*loop)); if (!loop) goto oom; init_node(&loop->node, HLSL_IR_LOOP, NULL, loc); list_add_tail(list, &loop->node.entry); loop->body = d3dcompiler_alloc(sizeof(*loop->body)); if (!loop->body) goto oom; list_init(loop->body); if (!append_conditional_break(cond)) goto oom; if (type != LOOP_DO_WHILE) list_move_tail(loop->body, cond); list_move_tail(loop->body, body); if (iter) list_move_tail(loop->body, iter); if (type == LOOP_DO_WHILE) list_move_tail(loop->body, cond); d3dcompiler_free(init); d3dcompiler_free(cond); d3dcompiler_free(body); return list; oom: ERR("Out of memory.\n"); if (loop) d3dcompiler_free(loop->body); d3dcompiler_free(loop); d3dcompiler_free(cond_jump); d3dcompiler_free(list); free_instr_list(init); free_instr_list(cond); free_instr_list(iter); free_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 += components_count_type(initializer->args[i]->data_type); } TRACE("Initializer size = %u.\n", count); return count; } static void free_parse_initializer(struct parse_initializer *initializer) { free_instr_list(initializer->instrs); d3dcompiler_free(initializer->args); } static struct hlsl_ir_swizzle *new_swizzle(DWORD s, unsigned int components, struct hlsl_ir_node *val, struct source_location *loc) { struct hlsl_ir_swizzle *swizzle = d3dcompiler_alloc(sizeof(*swizzle)); if (!swizzle) return NULL; init_node(&swizzle->node, HLSL_IR_SWIZZLE, new_hlsl_type(NULL, HLSL_CLASS_VECTOR, val->data_type->base_type, components, 1), *loc); hlsl_src_from_node(&swizzle->val, val); swizzle->swizzle = s; return swizzle; } static struct hlsl_ir_swizzle *get_swizzle(struct hlsl_ir_node *value, const char *swizzle, struct source_location *loc) { unsigned int len = strlen(swizzle), component = 0; unsigned int i, set, swiz = 0; BOOL valid; if (value->data_type->type == 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 new_swizzle(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 new_swizzle(swiz, component, value, loc); } return NULL; } static struct hlsl_ir_var *new_var(const char *name, struct hlsl_type *type, const struct source_location loc, const char *semantic, unsigned int modifiers, const struct reg_reservation *reg_reservation) { struct hlsl_ir_var *var; if (!(var = d3dcompiler_alloc(sizeof(*var)))) { hlsl_ctx.status = PARSE_ERR; return NULL; } var->name = name; var->data_type = type; var->loc = loc; var->semantic = semantic; var->modifiers = modifiers; var->reg_reservation = reg_reservation; return var; } static struct hlsl_ir_var *new_synthetic_var(const char *name, struct hlsl_type *type, const struct source_location loc) { struct hlsl_ir_var *var = new_var(strdup(name), type, loc, NULL, 0, NULL); if (var) list_add_tail(&hlsl_ctx.globals->vars, &var->scope_entry); return var; } static struct hlsl_ir_assignment *new_assignment(struct hlsl_ir_var *var, struct hlsl_ir_node *offset, struct hlsl_ir_node *rhs, unsigned int writemask, struct source_location loc) { struct hlsl_ir_assignment *assign; if (!writemask && type_is_single_reg(rhs->data_type)) writemask = (1 << rhs->data_type->dimx) - 1; if (!(assign = d3dcompiler_alloc(sizeof(*assign)))) return NULL; init_node(&assign->node, HLSL_IR_ASSIGNMENT, NULL, loc); assign->lhs.var = var; hlsl_src_from_node(&assign->lhs.offset, offset); hlsl_src_from_node(&assign->rhs, rhs); assign->writemask = writemask; return assign; } static struct hlsl_ir_assignment *new_simple_assignment(struct hlsl_ir_var *lhs, struct hlsl_ir_node *rhs) { return new_assignment(lhs, NULL, rhs, 0, rhs->loc); } static struct hlsl_ir_jump *add_return(struct list *instrs, struct hlsl_ir_node *return_value, struct source_location loc) { struct hlsl_type *return_type = hlsl_ctx.cur_function->return_type; struct hlsl_ir_jump *jump; if (return_value) { struct hlsl_ir_assignment *assignment; if (!(return_value = add_implicit_conversion(instrs, return_value, return_type, &loc))) return NULL; if (!(assignment = new_simple_assignment(hlsl_ctx.cur_function->return_var, return_value))) return NULL; list_add_after(&return_value->entry, &assignment->node.entry); } else if (!type_is_void(return_type)) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "non-void function must return a value"); return NULL; } if (!(jump = d3dcompiler_alloc(sizeof(*jump)))) { ERR("Out of memory\n"); return NULL; } init_node(&jump->node, HLSL_IR_JUMP, NULL, loc); jump->type = HLSL_IR_JUMP_RETURN; list_add_tail(instrs, &jump->node.entry); return jump; } static struct hlsl_ir_constant *new_uint_constant(unsigned int n, const struct source_location loc) { struct hlsl_ir_constant *c; if (!(c = d3dcompiler_alloc(sizeof(*c)))) return NULL; init_node(&c->node, HLSL_IR_CONSTANT, hlsl_ctx.builtin_types.scalar[HLSL_TYPE_UINT], loc); c->value.u[0] = n; return c; } struct hlsl_ir_node *new_unary_expr(enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg, struct source_location loc) { struct hlsl_ir_expr *expr; if (!(expr = d3dcompiler_alloc(sizeof(*expr)))) return NULL; init_node(&expr->node, HLSL_IR_EXPR, arg->data_type, loc); expr->op = op; hlsl_src_from_node(&expr->operands[0], arg); return &expr->node; } struct hlsl_ir_node *new_binary_expr(enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2) { struct hlsl_ir_expr *expr; assert(compare_hlsl_types(arg1->data_type, arg2->data_type)); if (!(expr = d3dcompiler_alloc(sizeof(*expr)))) return NULL; init_node(&expr->node, HLSL_IR_EXPR, arg1->data_type, arg1->loc); expr->op = op; hlsl_src_from_node(&expr->operands[0], arg1); hlsl_src_from_node(&expr->operands[1], arg2); return &expr->node; } static struct hlsl_ir_load *new_var_load(struct hlsl_ir_var *var, const struct source_location loc) { struct hlsl_ir_load *load = d3dcompiler_alloc(sizeof(*load)); if (!load) { ERR("Out of memory.\n"); return NULL; } init_node(&load->node, HLSL_IR_LOAD, var->data_type, loc); load->src.var = var; return load; } static struct hlsl_ir_load *add_load(struct list *instrs, struct hlsl_ir_node *var_node, struct hlsl_ir_node *offset, struct hlsl_type *data_type, const struct source_location loc) { struct hlsl_ir_node *add = NULL; struct hlsl_ir_load *load; struct hlsl_ir_var *var; if (var_node->type == HLSL_IR_LOAD) { const struct hlsl_deref *src = &load_from_node(var_node)->src; var = src->var; if (src->offset.node) { if (!(add = new_binary_expr(HLSL_IR_BINOP_ADD, src->offset.node, offset))) return NULL; list_add_tail(instrs, &add->entry); offset = add; } } else { struct hlsl_ir_assignment *assign; char name[27]; sprintf(name, "", var_node); if (!(var = new_synthetic_var(name, var_node->data_type, var_node->loc))) return NULL; TRACE("Synthesized variable %p for %s node.\n", var, debug_node_type(var_node->type)); if (!(assign = new_simple_assignment(var, var_node))) return NULL; list_add_tail(instrs, &assign->node.entry); } if (!(load = d3dcompiler_alloc(sizeof(*load)))) return NULL; init_node(&load->node, HLSL_IR_LOAD, data_type, loc); load->src.var = var; hlsl_src_from_node(&load->src.offset, offset); list_add_tail(instrs, &load->node.entry); return load; } static struct hlsl_ir_load *add_record_load(struct list *instrs, struct hlsl_ir_node *record, const struct hlsl_struct_field *field, const struct source_location loc) { struct hlsl_ir_constant *c; if (!(c = new_uint_constant(field->reg_offset * 4, loc))) return NULL; list_add_tail(instrs, &c->node.entry); return add_load(instrs, record, &c->node, field->type, loc); } static struct hlsl_ir_load *add_array_load(struct list *instrs, struct hlsl_ir_node *array, struct hlsl_ir_node *index, const struct source_location loc) { const struct hlsl_type *expr_type = array->data_type; struct hlsl_type *data_type; struct hlsl_ir_constant *c; struct hlsl_ir_node *mul; TRACE("Array load from type %s.\n", debug_hlsl_type(expr_type)); if (expr_type->type == HLSL_CLASS_ARRAY) { data_type = expr_type->e.array.type; } else if (expr_type->type == HLSL_CLASS_MATRIX || expr_type->type == HLSL_CLASS_VECTOR) { /* This needs to be lowered now, while we still have type information. */ FIXME("Index of matrix or vector type.\n"); return NULL; } else { if (expr_type->type == HLSL_CLASS_SCALAR) hlsl_report_message(loc, HLSL_LEVEL_ERROR, "array-indexed expression is scalar"); else hlsl_report_message(loc, HLSL_LEVEL_ERROR, "expression is not array-indexable"); return NULL; } if (!(c = new_uint_constant(data_type->reg_size * 4, loc))) return NULL; list_add_tail(instrs, &c->node.entry); if (!(mul = new_binary_expr(HLSL_IR_BINOP_MUL, index, &c->node))) return NULL; list_add_tail(instrs, &mul->entry); index = mul; return add_load(instrs, array, index, data_type, loc); } static void struct_var_initializer(struct list *list, struct hlsl_ir_var *var, struct parse_initializer *initializer) { struct hlsl_type *type = var->data_type; struct hlsl_struct_field *field; unsigned int i = 0; if (initializer_size(initializer) != components_count_type(type)) { hlsl_report_message(var->loc, HLSL_LEVEL_ERROR, "structure initializer mismatch"); free_parse_initializer(initializer); return; } list_move_tail(list, initializer->instrs); d3dcompiler_free(initializer->instrs); LIST_FOR_EACH_ENTRY(field, type->e.elements, struct hlsl_struct_field, entry) { struct hlsl_ir_node *node = initializer->args[i]; struct hlsl_ir_assignment *assign; struct hlsl_ir_constant *c; if (i++ >= initializer->args_count) break; if (components_count_type(field->type) == components_count_type(node->data_type)) { if (!(c = new_uint_constant(field->reg_offset * 4, node->loc))) break; list_add_tail(list, &c->node.entry); if (!(assign = new_assignment(var, &c->node, node, 0, node->loc))) break; list_add_tail(list, &assign->node.entry); } else FIXME("Initializing with \"mismatched\" fields is not supported yet.\n"); } d3dcompiler_free(initializer->args); } static void free_parse_variable_def(struct parse_variable_def *v) { free_parse_initializer(&v->initializer); d3dcompiler_free(v->name); d3dcompiler_free((void *)v->semantic); d3dcompiler_free(v->reg_reservation); d3dcompiler_free(v); } static struct list *declare_vars(struct hlsl_type *basic_type, DWORD modifiers, struct list *var_list) { struct hlsl_type *type; struct parse_variable_def *v, *v_next; struct hlsl_ir_var *var; BOOL ret, local = TRUE; struct list *statements_list = d3dcompiler_alloc(sizeof(*statements_list)); if (basic_type->type == HLSL_CLASS_MATRIX) assert(basic_type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK); if (!statements_list) { ERR("Out of memory.\n"); LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry) free_parse_variable_def(v); d3dcompiler_free(var_list); return NULL; } list_init(statements_list); if (!var_list) return statements_list; LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry) { if (v->array_size) type = new_array_type(basic_type, v->array_size); else type = basic_type; if (!(var = new_var(v->name, type, v->loc, v->semantic, modifiers, v->reg_reservation))) { free_parse_variable_def(v); continue; } debug_dump_decl(type, modifiers, v->name, v->loc.line); if (hlsl_ctx.cur_scope == hlsl_ctx.globals) { var->modifiers |= HLSL_STORAGE_UNIFORM; local = FALSE; } if (type->modifiers & HLSL_MODIFIER_CONST && !(var->modifiers & HLSL_STORAGE_UNIFORM) && !v->initializer.args_count) { hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "const variable without initializer"); free_declaration(var); d3dcompiler_free(v); continue; } ret = declare_variable(var, local); if (!ret) { free_declaration(var); d3dcompiler_free(v); continue; } TRACE("Declared variable %s.\n", var->name); if (v->initializer.args_count) { unsigned int size = initializer_size(&v->initializer); struct hlsl_ir_load *load; TRACE("Variable with initializer.\n"); if (type->type <= HLSL_CLASS_LAST_NUMERIC && type->dimx * type->dimy != size && size != 1) { if (size < type->dimx * type->dimy) { hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "'%s' initializer does not match", v->name); free_parse_initializer(&v->initializer); d3dcompiler_free(v); continue; } } if ((type->type == HLSL_CLASS_STRUCT || type->type == HLSL_CLASS_ARRAY) && components_count_type(type) != size) { hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "'%s' initializer does not match", v->name); free_parse_initializer(&v->initializer); d3dcompiler_free(v); continue; } if (type->type == HLSL_CLASS_STRUCT) { struct_var_initializer(statements_list, var, &v->initializer); d3dcompiler_free(v); continue; } if (type->type > HLSL_CLASS_LAST_NUMERIC) { FIXME("Initializers for non scalar/struct variables not supported yet.\n"); free_parse_initializer(&v->initializer); d3dcompiler_free(v); continue; } if (v->array_size > 0) { FIXME("Initializing arrays is not supported yet.\n"); free_parse_initializer(&v->initializer); d3dcompiler_free(v); continue; } if (v->initializer.args_count > 1) { FIXME("Complex initializers are not supported yet.\n"); free_parse_initializer(&v->initializer); d3dcompiler_free(v); continue; } load = new_var_load(var, var->loc); list_add_tail(v->initializer.instrs, &load->node.entry); add_assignment(v->initializer.instrs, &load->node, ASSIGN_OP_ASSIGN, v->initializer.args[0]); d3dcompiler_free(v->initializer.args); if (modifiers & HLSL_STORAGE_STATIC) list_move_tail(&hlsl_ctx.static_initializers, v->initializer.instrs); else list_move_tail(statements_list, v->initializer.instrs); d3dcompiler_free(v->initializer.instrs); } d3dcompiler_free(v); } d3dcompiler_free(var_list); return statements_list; } static BOOL add_struct_field(struct list *fields, struct hlsl_struct_field *field) { struct hlsl_struct_field *f; LIST_FOR_EACH_ENTRY(f, fields, struct hlsl_struct_field, entry) { if (!strcmp(f->name, field->name)) return FALSE; } list_add_tail(fields, &field->entry); return TRUE; } BOOL is_row_major(const struct hlsl_type *type) { /* Default to column-major if the majority isn't explicitly set, which can * happen for anonymous nodes. */ return !!(type->modifiers & HLSL_MODIFIER_ROW_MAJOR); } static struct hlsl_type *apply_type_modifiers(struct hlsl_type *type, unsigned int *modifiers, struct source_location loc) { unsigned int default_majority = 0; struct hlsl_type *new_type; /* This function is only used for declarations (i.e. variables and struct * fields), which should inherit the matrix majority. We only explicitly set * the default majority for declarations—typedefs depend on this—but we * want to always set it, so that an hlsl_type object is never used to * represent two different majorities (and thus can be used to store its * register size, etc.) */ if (!(*modifiers & HLSL_MODIFIERS_MAJORITY_MASK) && !(type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK) && type->type == HLSL_CLASS_MATRIX) { if (hlsl_ctx.matrix_majority == HLSL_COLUMN_MAJOR) default_majority = HLSL_MODIFIER_COLUMN_MAJOR; else default_majority = HLSL_MODIFIER_ROW_MAJOR; } if (!default_majority && !(*modifiers & HLSL_TYPE_MODIFIERS_MASK)) return type; if (!(new_type = clone_hlsl_type(type, default_majority))) return NULL; new_type->modifiers = add_modifiers(new_type->modifiers, *modifiers, loc); *modifiers &= ~HLSL_TYPE_MODIFIERS_MASK; if (new_type->type == HLSL_CLASS_MATRIX) new_type->reg_size = is_row_major(new_type) ? new_type->dimy : new_type->dimx; return new_type; } static struct list *gen_struct_fields(struct hlsl_type *type, DWORD modifiers, struct list *fields) { struct parse_variable_def *v, *v_next; struct hlsl_struct_field *field; struct list *list; if (type->type == HLSL_CLASS_MATRIX) assert(type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK); list = d3dcompiler_alloc(sizeof(*list)); if (!list) { ERR("Out of memory.\n"); return NULL; } list_init(list); LIST_FOR_EACH_ENTRY_SAFE(v, v_next, fields, struct parse_variable_def, entry) { debug_dump_decl(type, 0, v->name, v->loc.line); field = d3dcompiler_alloc(sizeof(*field)); if (!field) { ERR("Out of memory.\n"); d3dcompiler_free(v); return list; } if (v->array_size) field->type = new_array_type(type, v->array_size); else field->type = type; field->name = v->name; field->modifiers = modifiers; field->semantic = v->semantic; if (v->initializer.args_count) { hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "struct field with an initializer.\n"); free_parse_initializer(&v->initializer); } list_add_tail(list, &field->entry); d3dcompiler_free(v); } d3dcompiler_free(fields); return list; } static DWORD get_array_size(const struct hlsl_type *type) { if (type->type == HLSL_CLASS_ARRAY) return get_array_size(type->e.array.type) * type->e.array.elements_count; return 1; } static struct hlsl_type *new_struct_type(const char *name, struct list *fields) { struct hlsl_type *type = d3dcompiler_alloc(sizeof(*type)); struct hlsl_struct_field *field; unsigned int reg_size = 0; if (!type) { ERR("Out of memory.\n"); return NULL; } type->type = HLSL_CLASS_STRUCT; type->base_type = HLSL_TYPE_VOID; type->name = name; type->dimx = 0; type->dimy = 1; type->e.elements = fields; LIST_FOR_EACH_ENTRY(field, fields, struct hlsl_struct_field, entry) { field->reg_offset = reg_size; reg_size += field->type->reg_size; type->dimx += field->type->dimx * field->type->dimy * get_array_size(field->type); } type->reg_size = reg_size; list_add_tail(&hlsl_ctx.types, &type->entry); return type; } static BOOL add_typedef(DWORD modifiers, struct hlsl_type *orig_type, struct list *list) { BOOL ret; struct hlsl_type *type; struct parse_variable_def *v, *v_next; LIST_FOR_EACH_ENTRY_SAFE(v, v_next, list, struct parse_variable_def, entry) { if (v->array_size) type = new_array_type(orig_type, v->array_size); else type = clone_hlsl_type(orig_type, 0); if (!type) { ERR("Out of memory\n"); return FALSE; } d3dcompiler_free((void *)type->name); type->name = v->name; type->modifiers |= modifiers; if (type->type != HLSL_CLASS_MATRIX) check_invalid_matrix_modifiers(type->modifiers, v->loc); else type->reg_size = is_row_major(type) ? type->dimy : type->dimx; if ((type->modifiers & HLSL_MODIFIER_COLUMN_MAJOR) && (type->modifiers & HLSL_MODIFIER_ROW_MAJOR)) hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "more than one matrix majority keyword"); ret = add_type_to_scope(hlsl_ctx.cur_scope, type); if (!ret) { hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "redefinition of custom type '%s'", v->name); } d3dcompiler_free(v); } d3dcompiler_free(list); return TRUE; } static BOOL add_func_parameter(struct list *list, struct parse_parameter *param, const struct source_location loc) { struct hlsl_ir_var *var; if (param->type->type == HLSL_CLASS_MATRIX) assert(param->type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK); if (!(var = new_var(param->name, param->type, loc, param->semantic, param->modifiers, param->reg_reservation))) return FALSE; if (!add_declaration(hlsl_ctx.cur_scope, var, FALSE)) { free_declaration(var); return FALSE; } list_add_tail(list, &var->param_entry); return TRUE; } static struct reg_reservation *parse_reg_reservation(const char *reg_string) { struct reg_reservation *reg_res; enum bwritershader_param_register_type type; DWORD regnum = 0; switch (reg_string[0]) { case 'c': type = BWRITERSPR_CONST; break; case 'i': type = BWRITERSPR_CONSTINT; break; case 'b': type = BWRITERSPR_CONSTBOOL; break; case 's': type = BWRITERSPR_SAMPLER; break; default: FIXME("Unsupported register type.\n"); return NULL; } if (!sscanf(reg_string + 1, "%u", ®num)) { FIXME("Unsupported register reservation syntax.\n"); return NULL; } reg_res = d3dcompiler_alloc(sizeof(*reg_res)); if (!reg_res) { ERR("Out of memory.\n"); return NULL; } reg_res->type = type; reg_res->regnum = regnum; return reg_res; } static const struct hlsl_ir_function_decl *get_overloaded_func(struct wine_rb_tree *funcs, char *name, struct list *params, BOOL exact_signature) { struct hlsl_ir_function *func; struct wine_rb_entry *entry; entry = wine_rb_get(funcs, name); if (entry) { func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry); entry = wine_rb_get(&func->overloads, params); if (!entry) { if (!exact_signature) FIXME("No exact match, search for a compatible overloaded function (if any).\n"); return NULL; } return WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry); } return NULL; } static struct hlsl_ir_function_decl *get_func_entry(const char *name) { struct hlsl_ir_function_decl *decl; struct hlsl_ir_function *func; struct wine_rb_entry *entry; if ((entry = wine_rb_get(&hlsl_ctx.functions, name))) { func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry); WINE_RB_FOR_EACH_ENTRY(decl, &func->overloads, struct hlsl_ir_function_decl, entry) return decl; } return NULL; } static struct list *append_unop(struct list *list, struct hlsl_ir_node *node) { list_add_tail(list, &node->entry); return list; } static struct list *add_binary_expr(struct list *list1, struct list *list2, enum hlsl_ir_expr_op op, struct source_location loc) { struct hlsl_ir_node *args[3] = {node_from_list(list1), node_from_list(list2)}; list_move_tail(list1, list2); d3dcompiler_free(list2); add_expr(list1, op, args, &loc); return list1; } static struct list *make_list(struct hlsl_ir_node *node) { struct list *list; if (!(list = d3dcompiler_alloc(sizeof(*list)))) { ERR("Out of memory.\n"); free_instr(node); return NULL; } list_init(list); list_add_tail(list, &node->entry); return list; } static unsigned int evaluate_array_dimension(struct hlsl_ir_node *node) { if (node->data_type->type != HLSL_CLASS_SCALAR) return 0; switch (node->type) { case HLSL_IR_CONSTANT: { struct hlsl_ir_constant *constant = constant_from_node(node); switch (constant->node.data_type->base_type) { case HLSL_TYPE_UINT: return constant->value.u[0]; case HLSL_TYPE_INT: return constant->value.i[0]; case HLSL_TYPE_FLOAT: return constant->value.f[0]; case HLSL_TYPE_DOUBLE: return constant->value.d[0]; case HLSL_TYPE_BOOL: return constant->value.b[0]; default: WARN("Invalid type %s.\n", debug_base_type(constant->node.data_type)); return 0; } } case HLSL_IR_EXPR: case HLSL_IR_LOAD: case HLSL_IR_SWIZZLE: FIXME("Unhandled type %s.\n", debug_node_type(node->type)); return 0; case HLSL_IR_ASSIGNMENT: default: WARN("Invalid node type %s.\n", debug_node_type(node->type)); return 0; } } static struct hlsl_ir_function_decl *new_func_decl(struct hlsl_type *return_type, struct list *parameters, const char *semantic, struct source_location loc) { struct hlsl_ir_function_decl *decl; if (!(decl = d3dcompiler_alloc(sizeof(*decl)))) return NULL; decl->return_type = return_type; decl->parameters = parameters; decl->semantic = semantic; decl->loc = loc; if (!type_is_void(return_type)) { struct hlsl_ir_var *return_var; char name[28]; sprintf(name, "", decl); if (!(return_var = new_synthetic_var(name, return_type, loc))) { d3dcompiler_free(decl); return NULL; } decl->return_var = return_var; } return decl; } %} %locations %define parse.error verbose %expect 1 %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_function function; struct parse_parameter parameter; struct parse_initializer initializer; struct parse_variable_def *variable_def; struct parse_if_body if_body; enum parse_unary_op unary_op; enum parse_assign_op assign_op; struct reg_reservation *reg_reservation; struct parse_colon_attribute colon_attribute; } %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_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_TEXTURE3DARRAY %token KW_TEXTURECUBE %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 PRE_LINE %token VAR_IDENTIFIER TYPE_IDENTIFIER NEW_IDENTIFIER %type any_identifier var_identifier %token STRING %token C_FLOAT %token C_INTEGER %type boolean %type base_type %type type %type declaration_statement %type declaration %type struct_declaration %type struct_spec %type named_struct_spec %type unnamed_struct_spec %type field_type %type typedef_type %type type_specs %type type_spec %type complex_initializer %type initializer_expr_list %type initializer_expr %type var_modifiers %type field %type parameters %type param_list %type expr %type array %type statement %type statement_list %type compound_statement %type jump_statement %type selection_statement %type loop_statement %type func_declaration %type func_prototype %type fields_list %type parameter %type colon_attribute %type semantic %type register_opt %type variable_def %type variables_def %type variables_def_optional %type if_body %type primary_expr %type postfix_expr %type unary_expr %type mul_expr %type add_expr %type shift_expr %type relational_expr %type equality_expr %type bitand_expr %type bitxor_expr %type bitor_expr %type logicand_expr %type logicor_expr %type conditional_expr %type assignment_expr %type expr_statement %type unary_op %type assign_op %type input_mods %type input_mod %% hlsl_prog: /* empty */ { } | hlsl_prog func_declaration { const struct hlsl_ir_function_decl *decl; decl = get_overloaded_func(&hlsl_ctx.functions, $2.name, $2.decl->parameters, TRUE); if (decl && !decl->func->intrinsic) { if (decl->body && $2.decl->body) { hlsl_report_message($2.decl->loc, HLSL_LEVEL_ERROR, "redefinition of function %s", debugstr_a($2.name)); YYABORT; } else if (!compare_hlsl_types(decl->return_type, $2.decl->return_type)) { hlsl_report_message($2.decl->loc, HLSL_LEVEL_ERROR, "redefining function %s with a different return type", debugstr_a($2.name)); hlsl_report_message(decl->loc, HLSL_LEVEL_NOTE, "%s previously declared here", debugstr_a($2.name)); YYABORT; } } if (type_is_void($2.decl->return_type) && $2.decl->semantic) { hlsl_report_message($2.decl->loc, HLSL_LEVEL_ERROR, "void function with a semantic"); } TRACE("Adding function '%s' to the function list.\n", $2.name); add_function_decl(&hlsl_ctx.functions, $2.name, $2.decl, FALSE); } | hlsl_prog declaration_statement { TRACE("Declaration statement parsed.\n"); if (!list_empty($2)) FIXME("Uniform initializer.\n"); free_instr_list($2); } | hlsl_prog preproc_directive { } | hlsl_prog ';' { TRACE("Skipping stray semicolon.\n"); } preproc_directive: PRE_LINE STRING { const char **new_array = NULL; TRACE("Updating line information to file %s, line %u\n", debugstr_a($2), $1); hlsl_ctx.line_no = $1; if (strcmp($2, hlsl_ctx.source_file)) new_array = d3dcompiler_realloc(hlsl_ctx.source_files, sizeof(*hlsl_ctx.source_files) * (hlsl_ctx.source_files_count + 1)); if (new_array) { hlsl_ctx.source_files = new_array; hlsl_ctx.source_files[hlsl_ctx.source_files_count++] = $2; hlsl_ctx.source_file = $2; } else { d3dcompiler_free($2); } } struct_declaration: var_modifiers struct_spec variables_def_optional ';' { struct hlsl_type *type; DWORD modifiers = $1; if (!$3) { if (!$2->name) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "anonymous struct declaration with no variables"); } if (modifiers) { hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR, "modifier not allowed on struct type declaration"); } } if (!(type = apply_type_modifiers($2, &modifiers, get_location(&@1)))) YYABORT; $$ = declare_vars(type, modifiers, $3); } struct_spec: named_struct_spec | unnamed_struct_spec named_struct_spec: KW_STRUCT any_identifier '{' fields_list '}' { BOOL ret; TRACE("Structure %s declaration.\n", debugstr_a($2)); $$ = new_struct_type($2, $4); if (get_variable(hlsl_ctx.cur_scope, $2)) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "redefinition of '%s'", $2); YYABORT; } ret = add_type_to_scope(hlsl_ctx.cur_scope, $$); if (!ret) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "redefinition of struct '%s'", $2); YYABORT; } } unnamed_struct_spec: KW_STRUCT '{' fields_list '}' { TRACE("Anonymous structure declaration.\n"); $$ = new_struct_type(NULL, $3); } any_identifier: VAR_IDENTIFIER | TYPE_IDENTIFIER | NEW_IDENTIFIER fields_list: /* Empty */ { $$ = d3dcompiler_alloc(sizeof(*$$)); list_init($$); } | fields_list field { BOOL ret; struct hlsl_struct_field *field, *next; $$ = $1; LIST_FOR_EACH_ENTRY_SAFE(field, next, $2, struct hlsl_struct_field, entry) { ret = add_struct_field($$, field); if (ret == FALSE) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "redefinition of '%s'", field->name); d3dcompiler_free(field); } } d3dcompiler_free($2); } field_type: type | unnamed_struct_spec field: var_modifiers field_type variables_def ';' { struct hlsl_type *type; DWORD modifiers = $1; if (!(type = apply_type_modifiers($2, &modifiers, get_location(&@1)))) YYABORT; $$ = gen_struct_fields(type, modifiers, $3); } func_declaration: func_prototype compound_statement { TRACE("Function %s parsed.\n", $1.name); $$ = $1; $$.decl->body = $2; pop_scope(&hlsl_ctx); } | func_prototype ';' { TRACE("Function prototype for %s.\n", $1.name); $$ = $1; pop_scope(&hlsl_ctx); } /* var_modifiers is necessary to avoid shift/reduce conflicts. */ func_prototype: var_modifiers type var_identifier '(' parameters ')' colon_attribute { if ($1) { hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR, "unexpected modifiers on a function"); YYABORT; } if (get_variable(hlsl_ctx.globals, $3)) { hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR, "redefinition of '%s'\n", $3); YYABORT; } if (type_is_void($2) && $7.semantic) { hlsl_report_message(get_location(&@7), HLSL_LEVEL_ERROR, "void function with a semantic"); } if ($7.reg_reservation) { FIXME("Unexpected register reservation for a function.\n"); d3dcompiler_free($7.reg_reservation); } if (!($$.decl = new_func_decl($2, $5, $7.semantic, get_location(&@3)))) { ERR("Out of memory.\n"); YYABORT; } $$.name = $3; hlsl_ctx.cur_function = $$.decl; } compound_statement: '{' '}' { $$ = d3dcompiler_alloc(sizeof(*$$)); list_init($$); } | '{' scope_start statement_list '}' { pop_scope(&hlsl_ctx); $$ = $3; } scope_start: /* Empty */ { push_scope(&hlsl_ctx); } var_identifier: VAR_IDENTIFIER | NEW_IDENTIFIER colon_attribute: /* Empty */ { $$.semantic = NULL; $$.reg_reservation = NULL; } | semantic { $$.semantic = $1; $$.reg_reservation = NULL; } | register_opt { $$.semantic = NULL; $$.reg_reservation = $1; } semantic: ':' any_identifier { $$ = $2; } /* FIXME: Writemasks */ register_opt: ':' KW_REGISTER '(' any_identifier ')' { $$ = parse_reg_reservation($4); d3dcompiler_free($4); } | ':' KW_REGISTER '(' any_identifier ',' any_identifier ')' { FIXME("Ignoring shader target %s in a register reservation.\n", debugstr_a($4)); d3dcompiler_free($4); $$ = parse_reg_reservation($6); d3dcompiler_free($6); } parameters: scope_start { $$ = d3dcompiler_alloc(sizeof(*$$)); list_init($$); } | scope_start param_list { $$ = $2; } param_list: parameter { $$ = d3dcompiler_alloc(sizeof(*$$)); list_init($$); if (!add_func_parameter($$, &$1, get_location(&@1))) { ERR("Error adding function parameter %s.\n", $1.name); set_parse_status(&hlsl_ctx.status, PARSE_ERR); YYABORT; } } | param_list ',' parameter { $$ = $1; if (!add_func_parameter($$, &$3, get_location(&@3))) { hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR, "duplicate parameter %s", $3.name); YYABORT; } } parameter: input_mods var_modifiers type any_identifier colon_attribute { struct hlsl_type *type; DWORD modifiers = $2; if (!(type = apply_type_modifiers($3, &modifiers, get_location(&@2)))) YYABORT; $$.modifiers = $1 ? $1 : HLSL_STORAGE_IN; $$.modifiers |= modifiers; $$.type = type; $$.name = $4; $$.semantic = $5.semantic; $$.reg_reservation = $5.reg_reservation; } input_mods: /* Empty */ { $$ = 0; } | input_mods input_mod { if ($1 & $2) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "duplicate input-output modifiers"); YYABORT; } $$ = $1 | $2; } input_mod: KW_IN { $$ = HLSL_STORAGE_IN; } | KW_OUT { $$ = HLSL_STORAGE_OUT; } | KW_INOUT { $$ = HLSL_STORAGE_IN | HLSL_STORAGE_OUT; } type: base_type { $$ = $1; } | KW_VECTOR '<' base_type ',' C_INTEGER '>' { if ($3->type != HLSL_CLASS_SCALAR) { hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR, "vectors of non-scalar types are not allowed\n"); YYABORT; } if ($5 < 1 || $5 > 4) { hlsl_report_message(get_location(&@5), HLSL_LEVEL_ERROR, "vector size must be between 1 and 4\n"); YYABORT; } $$ = new_hlsl_type(NULL, HLSL_CLASS_VECTOR, $3->base_type, $5, 1); } | KW_MATRIX '<' base_type ',' C_INTEGER ',' C_INTEGER '>' { if ($3->type != HLSL_CLASS_SCALAR) { hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR, "matrices of non-scalar types are not allowed\n"); YYABORT; } if ($5 < 1 || $5 > 4) { hlsl_report_message(get_location(&@5), HLSL_LEVEL_ERROR, "matrix row count must be between 1 and 4\n"); YYABORT; } if ($7 < 1 || $7 > 4) { hlsl_report_message(get_location(&@7), HLSL_LEVEL_ERROR, "matrix column count must be between 1 and 4\n"); YYABORT; } $$ = new_hlsl_type(NULL, HLSL_CLASS_MATRIX, $3->base_type, $7, $5); } base_type: KW_VOID { $$ = hlsl_ctx.builtin_types.Void; } | KW_SAMPLER { $$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_GENERIC]; } | KW_SAMPLER1D { $$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_1D]; } | KW_SAMPLER2D { $$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_2D]; } | KW_SAMPLER3D { $$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_3D]; } | KW_SAMPLERCUBE { $$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_3D]; } | TYPE_IDENTIFIER { $$ = get_type(hlsl_ctx.cur_scope, $1, TRUE); d3dcompiler_free($1); } | KW_STRUCT TYPE_IDENTIFIER { $$ = get_type(hlsl_ctx.cur_scope, $2, TRUE); if ($$->type != HLSL_CLASS_STRUCT) hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR, "'%s' redefined as a structure\n", $2); d3dcompiler_free($2); } declaration_statement: declaration | struct_declaration | typedef { $$ = d3dcompiler_alloc(sizeof(*$$)); if (!$$) { ERR("Out of memory\n"); YYABORT; } list_init($$); } typedef_type: type | struct_spec typedef: KW_TYPEDEF var_modifiers typedef_type type_specs ';' { if ($2 & ~HLSL_TYPE_MODIFIERS_MASK) { struct parse_variable_def *v, *v_next; hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR, "modifier not allowed on typedefs"); LIST_FOR_EACH_ENTRY_SAFE(v, v_next, $4, struct parse_variable_def, entry) d3dcompiler_free(v); d3dcompiler_free($4); YYABORT; } if (!add_typedef($2, $3, $4)) YYABORT; } type_specs: type_spec { $$ = d3dcompiler_alloc(sizeof(*$$)); list_init($$); list_add_head($$, &$1->entry); } | type_specs ',' type_spec { $$ = $1; list_add_tail($$, &$3->entry); } type_spec: any_identifier array { $$ = d3dcompiler_alloc(sizeof(*$$)); $$->loc = get_location(&@1); $$->name = $1; $$->array_size = $2; } declaration: var_modifiers type variables_def ';' { struct hlsl_type *type; DWORD modifiers = $1; if (!(type = apply_type_modifiers($2, &modifiers, get_location(&@1)))) YYABORT; $$ = declare_vars(type, modifiers, $3); } variables_def_optional: /* Empty */ { $$ = NULL; } | variables_def { $$ = $1; } variables_def: variable_def { $$ = d3dcompiler_alloc(sizeof(*$$)); list_init($$); list_add_head($$, &$1->entry); } | variables_def ',' variable_def { $$ = $1; list_add_tail($$, &$3->entry); } variable_def: any_identifier array colon_attribute { $$ = d3dcompiler_alloc(sizeof(*$$)); $$->loc = get_location(&@1); $$->name = $1; $$->array_size = $2; $$->semantic = $3.semantic; $$->reg_reservation = $3.reg_reservation; } | any_identifier array colon_attribute '=' complex_initializer { TRACE("Declaration with initializer.\n"); $$ = d3dcompiler_alloc(sizeof(*$$)); $$->loc = get_location(&@1); $$->name = $1; $$->array_size = $2; $$->semantic = $3.semantic; $$->reg_reservation = $3.reg_reservation; $$->initializer = $5; } array: /* Empty */ { $$ = 0; } | '[' expr ']' { unsigned int size = evaluate_array_dimension(node_from_list($2)); free_instr_list($2); if (!size) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "array size is not a positive integer constant\n"); YYABORT; } TRACE("Array size %u.\n", size); if (size > 65536) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "array size must be between 1 and 65536"); YYABORT; } $$ = size; } var_modifiers: /* Empty */ { $$ = 0; } | KW_EXTERN var_modifiers { $$ = add_modifiers($2, HLSL_STORAGE_EXTERN, get_location(&@1)); } | KW_NOINTERPOLATION var_modifiers { $$ = add_modifiers($2, HLSL_STORAGE_NOINTERPOLATION, get_location(&@1)); } | KW_PRECISE var_modifiers { $$ = add_modifiers($2, HLSL_MODIFIER_PRECISE, get_location(&@1)); } | KW_SHARED var_modifiers { $$ = add_modifiers($2, HLSL_STORAGE_SHARED, get_location(&@1)); } | KW_GROUPSHARED var_modifiers { $$ = add_modifiers($2, HLSL_STORAGE_GROUPSHARED, get_location(&@1)); } | KW_STATIC var_modifiers { $$ = add_modifiers($2, HLSL_STORAGE_STATIC, get_location(&@1)); } | KW_UNIFORM var_modifiers { $$ = add_modifiers($2, HLSL_STORAGE_UNIFORM, get_location(&@1)); } | KW_VOLATILE var_modifiers { $$ = add_modifiers($2, HLSL_STORAGE_VOLATILE, get_location(&@1)); } | KW_CONST var_modifiers { $$ = add_modifiers($2, HLSL_MODIFIER_CONST, get_location(&@1)); } | KW_ROW_MAJOR var_modifiers { $$ = add_modifiers($2, HLSL_MODIFIER_ROW_MAJOR, get_location(&@1)); } | KW_COLUMN_MAJOR var_modifiers { $$ = add_modifiers($2, HLSL_MODIFIER_COLUMN_MAJOR, get_location(&@1)); } complex_initializer: initializer_expr { $$.args_count = 1; if (!($$.args = d3dcompiler_alloc(sizeof(*$$.args)))) YYABORT; $$.args[0] = node_from_list($1); $$.instrs = $1; } | '{' initializer_expr_list '}' { $$ = $2; } | '{' initializer_expr_list ',' '}' { $$ = $2; } initializer_expr: assignment_expr { $$ = $1; } initializer_expr_list: initializer_expr { $$.args_count = 1; if (!($$.args = d3dcompiler_alloc(sizeof(*$$.args)))) YYABORT; $$.args[0] = node_from_list($1); $$.instrs = $1; } | initializer_expr_list ',' initializer_expr { $$ = $1; if (!($$.args = d3dcompiler_realloc($$.args, ($$.args_count + 1) * sizeof(*$$.args)))) YYABORT; $$.args[$$.args_count++] = node_from_list($3); list_move_tail($$.instrs, $3); d3dcompiler_free($3); } boolean: KW_TRUE { $$ = TRUE; } | KW_FALSE { $$ = FALSE; } statement_list: statement { $$ = $1; } | statement_list statement { $$ = $1; list_move_tail($$, $2); d3dcompiler_free($2); } statement: declaration_statement | expr_statement | compound_statement | jump_statement | selection_statement | loop_statement jump_statement: KW_RETURN expr ';' { if (!add_return($2, node_from_list($2), get_location(&@1))) YYABORT; $$ = $2; } | KW_RETURN ';' { if (!($$ = d3dcompiler_alloc(sizeof(*$$)))) YYABORT; list_init($$); if (!add_return($$, NULL, get_location(&@1))) YYABORT; } selection_statement: KW_IF '(' expr ')' if_body { struct hlsl_ir_if *instr = d3dcompiler_alloc(sizeof(*instr)); struct hlsl_ir_node *condition = node_from_list($3); if (!instr) { ERR("Out of memory\n"); YYABORT; } init_node(&instr->node, HLSL_IR_IF, NULL, get_location(&@1)); hlsl_src_from_node(&instr->condition, condition); instr->then_instrs = $5.then_instrs; instr->else_instrs = $5.else_instrs; if (condition->data_type->dimx > 1 || condition->data_type->dimy > 1) { hlsl_report_message(instr->node.loc, HLSL_LEVEL_ERROR, "if condition requires a scalar"); } $$ = $3; list_add_tail($$, &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 { $$ = create_loop(LOOP_WHILE, NULL, $3, NULL, $5, get_location(&@1)); } | KW_DO statement KW_WHILE '(' expr ')' ';' { $$ = create_loop(LOOP_DO_WHILE, NULL, $5, NULL, $2, get_location(&@1)); } | KW_FOR '(' scope_start expr_statement expr_statement expr ')' statement { $$ = create_loop(LOOP_FOR, $4, $5, $6, $8, get_location(&@1)); pop_scope(&hlsl_ctx); } | KW_FOR '(' scope_start declaration expr_statement expr ')' statement { if (!$4) hlsl_report_message(get_location(&@4), HLSL_LEVEL_WARNING, "no expressions in for loop initializer"); $$ = create_loop(LOOP_FOR, $4, $5, $6, $8, get_location(&@1)); pop_scope(&hlsl_ctx); } expr_statement: ';' { $$ = d3dcompiler_alloc(sizeof(*$$)); list_init($$); } | expr ';' { $$ = $1; } primary_expr: C_FLOAT { struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c)); if (!c) { ERR("Out of memory.\n"); YYABORT; } init_node(&c->node, HLSL_IR_CONSTANT, hlsl_ctx.builtin_types.scalar[HLSL_TYPE_FLOAT], get_location(&@1)); c->value.f[0] = $1; if (!($$ = make_list(&c->node))) YYABORT; } | C_INTEGER { struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c)); if (!c) { ERR("Out of memory.\n"); YYABORT; } init_node(&c->node, HLSL_IR_CONSTANT, hlsl_ctx.builtin_types.scalar[HLSL_TYPE_INT], get_location(&@1)); c->value.i[0] = $1; if (!($$ = make_list(&c->node))) YYABORT; } | boolean { struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c)); if (!c) { ERR("Out of memory.\n"); YYABORT; } init_node(&c->node, HLSL_IR_CONSTANT, hlsl_ctx.builtin_types.scalar[HLSL_TYPE_BOOL], get_location(&@1)); c->value.b[0] = $1; if (!($$ = make_list(&c->node))) YYABORT; } | VAR_IDENTIFIER { struct hlsl_ir_load *load; struct hlsl_ir_var *var; if (!(var = get_variable(hlsl_ctx.cur_scope, $1))) { hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR, "variable '%s' is not declared\n", $1); YYABORT; } if ((load = new_var_load(var, get_location(&@1)))) { if (!($$ = make_list(&load->node))) YYABORT; } else $$ = NULL; } | '(' expr ')' { $$ = $2; } postfix_expr: primary_expr { $$ = $1; } | postfix_expr OP_INC { struct source_location loc; struct hlsl_ir_node *inc; loc = get_location(&@2); if (node_from_list($1)->data_type->modifiers & HLSL_MODIFIER_CONST) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression"); YYABORT; } inc = new_unary_expr(HLSL_IR_UNOP_POSTINC, node_from_list($1), loc); /* Post increment/decrement expressions are considered const */ inc->data_type = clone_hlsl_type(inc->data_type, 0); inc->data_type->modifiers |= HLSL_MODIFIER_CONST; $$ = append_unop($1, inc); } | postfix_expr OP_DEC { struct source_location loc; struct hlsl_ir_node *inc; loc = get_location(&@2); if (node_from_list($1)->data_type->modifiers & HLSL_MODIFIER_CONST) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression"); YYABORT; } inc = new_unary_expr(HLSL_IR_UNOP_POSTDEC, node_from_list($1), loc); /* Post increment/decrement expressions are considered const */ inc->data_type = clone_hlsl_type(inc->data_type, 0); inc->data_type->modifiers |= HLSL_MODIFIER_CONST; $$ = append_unop($1, inc); } | postfix_expr '.' any_identifier { struct hlsl_ir_node *node = node_from_list($1); struct source_location loc; loc = get_location(&@2); if (node->data_type->type == HLSL_CLASS_STRUCT) { struct hlsl_type *type = node->data_type; struct hlsl_struct_field *field; $$ = NULL; LIST_FOR_EACH_ENTRY(field, type->e.elements, struct hlsl_struct_field, entry) { if (!strcmp($3, field->name)) { if (!add_record_load($1, node, field, loc)) YYABORT; $$ = $1; break; } } if (!$$) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "invalid subscript %s", debugstr_a($3)); YYABORT; } } else if (node->data_type->type <= HLSL_CLASS_LAST_NUMERIC) { struct hlsl_ir_swizzle *swizzle; swizzle = get_swizzle(node, $3, &loc); if (!swizzle) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "invalid swizzle %s", debugstr_a($3)); YYABORT; } $$ = append_unop($1, &swizzle->node); } else { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "invalid subscript %s", debugstr_a($3)); YYABORT; } } | postfix_expr '[' expr ']' { struct hlsl_ir_node *array = node_from_list($1), *index = node_from_list($3); list_move_tail($1, $3); d3dcompiler_free($3); if (index->data_type->type != HLSL_CLASS_SCALAR) { hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR, "array index is not scalar"); free_instr_list($1); YYABORT; } if (!add_array_load($1, array, index, get_location(&@2))) { free_instr_list($1); YYABORT; } $$ = $1; } /* "var_modifiers" doesn't make sense in this case, but it's needed in the grammar to avoid shift/reduce conflicts. */ | var_modifiers type '(' initializer_expr_list ')' { struct hlsl_ir_assignment *assignment; unsigned int i, writemask_offset = 0; static unsigned int counter; struct hlsl_ir_load *load; struct hlsl_ir_var *var; char name[23]; if ($1) { hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR, "unexpected modifier on a constructor\n"); YYABORT; } if ($2->type > HLSL_CLASS_LAST_NUMERIC) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "constructors may only be used with numeric data types\n"); YYABORT; } if ($2->dimx * $2->dimy != initializer_size(&$4)) { hlsl_report_message(get_location(&@4), HLSL_LEVEL_ERROR, "expected %u components in constructor, but got %u\n", $2->dimx * $2->dimy, initializer_size(&$4)); YYABORT; } if ($2->type == HLSL_CLASS_MATRIX) FIXME("Matrix constructors are not supported yet.\n"); sprintf(name, "", counter++); if (!(var = new_synthetic_var(name, $2, get_location(&@2)))) YYABORT; for (i = 0; i < $4.args_count; ++i) { struct hlsl_ir_node *arg = $4.args[i]; unsigned int width; if (arg->data_type->type == HLSL_CLASS_OBJECT) { hlsl_report_message(arg->loc, HLSL_LEVEL_ERROR, "invalid constructor argument"); continue; } width = components_count_type(arg->data_type); if (width > 4) { FIXME("Constructor argument with %u components.\n", width); continue; } if (!(arg = add_implicit_conversion($4.instrs, arg, hlsl_ctx.builtin_types.vector[$2->base_type][width - 1], &arg->loc))) continue; if (!(assignment = new_assignment(var, NULL, arg, ((1 << width) - 1) << writemask_offset, arg->loc))) YYABORT; writemask_offset += width; list_add_tail($4.instrs, &assignment->node.entry); } d3dcompiler_free($4.args); if (!(load = new_var_load(var, get_location(&@2)))) YYABORT; $$ = append_unop($4.instrs, &load->node); } unary_expr: postfix_expr { $$ = $1; } | OP_INC unary_expr { struct source_location loc; loc = get_location(&@1); if (node_from_list($2)->data_type->modifiers & HLSL_MODIFIER_CONST) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression"); YYABORT; } $$ = append_unop($2, new_unary_expr(HLSL_IR_UNOP_PREINC, node_from_list($2), loc)); } | OP_DEC unary_expr { struct source_location loc; loc = get_location(&@1); if (node_from_list($2)->data_type->modifiers & HLSL_MODIFIER_CONST) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression"); YYABORT; } $$ = append_unop($2, new_unary_expr(HLSL_IR_UNOP_PREDEC, node_from_list($2), loc)); } | unary_op unary_expr { enum hlsl_ir_expr_op ops[] = {0, HLSL_IR_UNOP_NEG, HLSL_IR_UNOP_LOGIC_NOT, HLSL_IR_UNOP_BIT_NOT}; if ($1 == UNARY_OP_PLUS) { $$ = $2; } else { $$ = append_unop($2, new_unary_expr(ops[$1], node_from_list($2), get_location(&@1))); } } /* var_modifiers just to avoid shift/reduce conflicts */ | '(' var_modifiers type array ')' unary_expr { struct hlsl_type *src_type = node_from_list($6)->data_type; struct hlsl_type *dst_type; struct source_location loc; loc = get_location(&@3); if ($2) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "unexpected modifier in a cast"); YYABORT; } if ($4) dst_type = new_array_type($3, $4); else dst_type = $3; if (!compatible_data_types(src_type, dst_type)) { hlsl_report_message(loc, HLSL_LEVEL_ERROR, "can't cast from %s to %s", debug_hlsl_type(src_type), debug_hlsl_type(dst_type)); YYABORT; } $$ = append_unop($6, &new_cast(node_from_list($6), dst_type, &loc)->node); } unary_op: '+' { $$ = UNARY_OP_PLUS; } | '-' { $$ = UNARY_OP_MINUS; } | '!' { $$ = UNARY_OP_LOGICNOT; } | '~' { $$ = UNARY_OP_BITNOT; } mul_expr: unary_expr | mul_expr '*' unary_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_MUL, get_location(&@2)); } | mul_expr '/' unary_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_DIV, get_location(&@2)); } | mul_expr '%' unary_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_MOD, get_location(&@2)); } add_expr: mul_expr | add_expr '+' mul_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_ADD, get_location(&@2)); } | add_expr '-' mul_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_SUB, get_location(&@2)); } shift_expr: add_expr { $$ = $1; } | shift_expr OP_LEFTSHIFT add_expr { FIXME("Left shift\n"); } | shift_expr OP_RIGHTSHIFT add_expr { FIXME("Right shift\n"); } relational_expr: shift_expr | relational_expr '<' shift_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_LESS, get_location(&@2)); } | relational_expr '>' shift_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_GREATER, get_location(&@2)); } | relational_expr OP_LE shift_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_LEQUAL, get_location(&@2)); } | relational_expr OP_GE shift_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_GEQUAL, get_location(&@2)); } equality_expr: relational_expr | equality_expr OP_EQ relational_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_EQUAL, get_location(&@2)); } | equality_expr OP_NE relational_expr { $$ = add_binary_expr($1, $3, HLSL_IR_BINOP_NEQUAL, get_location(&@2)); } bitand_expr: equality_expr { $$ = $1; } | bitand_expr '&' equality_expr { FIXME("bitwise AND\n"); } bitxor_expr: bitand_expr { $$ = $1; } | bitxor_expr '^' bitand_expr { FIXME("bitwise XOR\n"); } bitor_expr: bitxor_expr { $$ = $1; } | bitor_expr '|' bitxor_expr { FIXME("bitwise OR\n"); } logicand_expr: bitor_expr { $$ = $1; } | logicand_expr OP_AND bitor_expr { FIXME("logic AND\n"); } logicor_expr: logicand_expr { $$ = $1; } | logicor_expr OP_OR logicand_expr { FIXME("logic OR\n"); } conditional_expr: logicor_expr { $$ = $1; } | logicor_expr '?' expr ':' assignment_expr { FIXME("ternary operator\n"); } assignment_expr: conditional_expr | unary_expr assign_op assignment_expr { struct hlsl_ir_node *lhs = node_from_list($1), *rhs = node_from_list($3); if (lhs->data_type->modifiers & HLSL_MODIFIER_CONST) { hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "l-value is const"); YYABORT; } list_move_tail($3, $1); d3dcompiler_free($1); if (!add_assignment($3, lhs, $2, rhs)) YYABORT; $$ = $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 { $$ = ASSIGN_OP_XOR; } expr: assignment_expr { $$ = $1; } | expr ',' assignment_expr { $$ = $1; list_move_tail($$, $3); d3dcompiler_free($3); } %% static struct source_location get_location(const struct YYLTYPE *l) { const struct source_location loc = { .file = hlsl_ctx.source_file, .line = l->first_line, .col = l->first_column, }; return loc; } static void dump_function_decl(struct wine_rb_entry *entry, void *context) { struct hlsl_ir_function_decl *func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry); if (func->body) debug_dump_ir_function_decl(func); } static void dump_function(struct wine_rb_entry *entry, void *context) { struct hlsl_ir_function *func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry); wine_rb_for_each_entry(&func->overloads, dump_function_decl, NULL); } /* Allocate a unique, ordered index to each instruction, which will be used for * computing liveness ranges. */ static unsigned int index_instructions(struct list *instrs, unsigned int index) { struct hlsl_ir_node *instr; LIST_FOR_EACH_ENTRY(instr, instrs, struct hlsl_ir_node, entry) { instr->index = index++; if (instr->type == HLSL_IR_IF) { struct hlsl_ir_if *iff = if_from_node(instr); index = index_instructions(iff->then_instrs, index); if (iff->else_instrs) index = index_instructions(iff->else_instrs, index); } else if (instr->type == HLSL_IR_LOOP) { index = index_instructions(loop_from_node(instr)->body, index); loop_from_node(instr)->next_index = index; } } return index; } /* Compute the earliest and latest liveness for each variable. In the case that * a variable is accessed inside of a loop, we promote its liveness to extend * to at least the range of the entire loop. Note that we don't need to do this * for anonymous nodes, since there's currently no way to use a node which was * calculated in an earlier iteration of the loop. */ static void compute_liveness_recurse(struct list *instrs, unsigned int loop_first, unsigned int loop_last) { struct hlsl_ir_node *instr; struct hlsl_ir_var *var; LIST_FOR_EACH_ENTRY(instr, instrs, struct hlsl_ir_node, entry) { switch (instr->type) { case HLSL_IR_ASSIGNMENT: { struct hlsl_ir_assignment *assignment = assignment_from_node(instr); var = assignment->lhs.var; if (!var->first_write) var->first_write = loop_first ? min(instr->index, loop_first) : instr->index; assignment->rhs.node->last_read = instr->index; if (assignment->lhs.offset.node) assignment->lhs.offset.node->last_read = instr->index; break; } case HLSL_IR_EXPR: { struct hlsl_ir_expr *expr = expr_from_node(instr); unsigned int i; for (i = 0; i < ARRAY_SIZE(expr->operands) && expr->operands[i].node; ++i) expr->operands[i].node->last_read = instr->index; break; } case HLSL_IR_IF: { struct hlsl_ir_if *iff = if_from_node(instr); compute_liveness_recurse(iff->then_instrs, loop_first, loop_last); if (iff->else_instrs) compute_liveness_recurse(iff->else_instrs, loop_first, loop_last); iff->condition.node->last_read = instr->index; break; } case HLSL_IR_LOAD: { struct hlsl_ir_load *load = load_from_node(instr); var = load->src.var; var->last_read = loop_last ? max(instr->index, loop_last) : instr->index; if (load->src.offset.node) load->src.offset.node->last_read = instr->index; break; } case HLSL_IR_LOOP: { struct hlsl_ir_loop *loop = loop_from_node(instr); compute_liveness_recurse(loop->body, loop_first ? loop_first : instr->index, loop_last ? loop_last : loop->next_index); break; } case HLSL_IR_SWIZZLE: { struct hlsl_ir_swizzle *swizzle = swizzle_from_node(instr); swizzle->val.node->last_read = instr->index; break; } case HLSL_IR_CONSTANT: case HLSL_IR_JUMP: break; } } } static void compute_liveness(struct hlsl_ir_function_decl *entry_func) { struct hlsl_ir_var *var; LIST_FOR_EACH_ENTRY(var, &hlsl_ctx.globals->vars, struct hlsl_ir_var, scope_entry) { var->first_write = 1; } LIST_FOR_EACH_ENTRY(var, entry_func->parameters, struct hlsl_ir_var, param_entry) { if (var->modifiers & HLSL_STORAGE_IN) var->first_write = 1; if (var->modifiers & HLSL_STORAGE_OUT) var->last_read = UINT_MAX; } if (entry_func->return_var) entry_func->return_var->last_read = UINT_MAX; compute_liveness_recurse(entry_func->body, 0, 0); } HRESULT parse_hlsl(enum shader_type type, DWORD major, DWORD minor, const char *entrypoint, ID3D10Blob **shader_blob, char **messages) { struct hlsl_ir_function_decl *entry_func; struct hlsl_scope *scope, *next_scope; struct hlsl_type *hlsl_type, *next_type; struct hlsl_ir_var *var, *next_var; HRESULT hr = E_FAIL; unsigned int i; hlsl_ctx.status = PARSE_SUCCESS; hlsl_ctx.messages.size = hlsl_ctx.messages.capacity = 0; hlsl_ctx.line_no = hlsl_ctx.column = 1; hlsl_ctx.source_file = d3dcompiler_strdup(""); hlsl_ctx.source_files = d3dcompiler_alloc(sizeof(*hlsl_ctx.source_files)); if (hlsl_ctx.source_files) hlsl_ctx.source_files[0] = hlsl_ctx.source_file; hlsl_ctx.source_files_count = 1; hlsl_ctx.cur_scope = NULL; hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR; list_init(&hlsl_ctx.scopes); list_init(&hlsl_ctx.types); init_functions_tree(&hlsl_ctx.functions); list_init(&hlsl_ctx.static_initializers); push_scope(&hlsl_ctx); hlsl_ctx.globals = hlsl_ctx.cur_scope; declare_predefined_types(hlsl_ctx.globals); hlsl_parse(); if (hlsl_ctx.status == PARSE_ERR) goto out; if (!(entry_func = get_func_entry(entrypoint))) { hlsl_message("error: entry point %s is not defined\n", debugstr_a(entrypoint)); goto out; } if (!type_is_void(entry_func->return_type) && entry_func->return_type->type != HLSL_CLASS_STRUCT && !entry_func->semantic) { hlsl_report_message(entry_func->loc, HLSL_LEVEL_ERROR, "entry point \"%s\" is missing a return value semantic", entry_func->func->name); } list_move_head(entry_func->body, &hlsl_ctx.static_initializers); /* Index 0 means unused; index 1 means function entry, so start at 2. */ index_instructions(entry_func->body, 2); if (TRACE_ON(hlsl_parser)) { TRACE("IR dump.\n"); wine_rb_for_each_entry(&hlsl_ctx.functions, dump_function, NULL); } compute_liveness(entry_func); if (hlsl_ctx.status != PARSE_ERR) hr = E_NOTIMPL; out: if (messages) { if (hlsl_ctx.messages.size) *messages = hlsl_ctx.messages.string; else *messages = NULL; } else { if (hlsl_ctx.messages.capacity) d3dcompiler_free(hlsl_ctx.messages.string); } for (i = 0; i < hlsl_ctx.source_files_count; ++i) d3dcompiler_free((void *)hlsl_ctx.source_files[i]); d3dcompiler_free(hlsl_ctx.source_files); TRACE("Freeing functions IR.\n"); wine_rb_destroy(&hlsl_ctx.functions, free_function_rb, NULL); TRACE("Freeing variables.\n"); LIST_FOR_EACH_ENTRY_SAFE(scope, next_scope, &hlsl_ctx.scopes, struct hlsl_scope, entry) { LIST_FOR_EACH_ENTRY_SAFE(var, next_var, &scope->vars, struct hlsl_ir_var, scope_entry) { free_declaration(var); } wine_rb_destroy(&scope->types, NULL, NULL); d3dcompiler_free(scope); } TRACE("Freeing types.\n"); LIST_FOR_EACH_ENTRY_SAFE(hlsl_type, next_type, &hlsl_ctx.types, struct hlsl_type, entry) { free_hlsl_type(hlsl_type); } return hr; }