diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/glsl/ast.h | 16 | ||||
| -rw-r--r-- | src/glsl/ast_function.cpp | 8 | ||||
| -rw-r--r-- | src/glsl/ast_to_hir.cpp | 7 | ||||
| -rw-r--r-- | src/glsl/glsl_parser.yy | 27 | ||||
| -rw-r--r-- | src/glsl/glsl_parser_extras.cpp | 136 |
5 files changed, 46 insertions, 148 deletions
diff --git a/src/glsl/ast.h b/src/glsl/ast.h index 76911f056d3..b24052bfd04 100644 --- a/src/glsl/ast.h +++ b/src/glsl/ast.h @@ -296,7 +296,16 @@ public: /* empty */ } - ast_type_specifier *constructor_type; + /** + * glsl_type of the aggregate, which is inferred from the LHS of whatever + * the aggregate is being used to initialize. This can't be inferred at + * parse time (since the parser deals with ast_type_specifiers, not + * glsl_types), so the parser leaves it NULL. However, the ast-to-hir + * conversion code makes sure to fill it in with the appropriate type + * before hir() is called. + */ + const glsl_type *constructor_type; + virtual ir_rvalue *hir(exec_list *instructions, struct _mesa_glsl_parse_state *state); }; @@ -978,9 +987,8 @@ _mesa_ast_array_index_to_hir(void *mem_ctx, YYLTYPE &loc, YYLTYPE &idx_loc); extern void -_mesa_ast_set_aggregate_type(const ast_type_specifier *type, - ast_expression *expr, - _mesa_glsl_parse_state *state); +_mesa_ast_set_aggregate_type(const glsl_type *type, + ast_expression *expr); void emit_function(_mesa_glsl_parse_state *state, ir_function *f); diff --git a/src/glsl/ast_function.cpp b/src/glsl/ast_function.cpp index 2d05d072341..4c5b0e4aa90 100644 --- a/src/glsl/ast_function.cpp +++ b/src/glsl/ast_function.cpp @@ -1687,14 +1687,12 @@ ast_aggregate_initializer::hir(exec_list *instructions, { void *ctx = state; YYLTYPE loc = this->get_location(); - const char *name; if (!this->constructor_type) { _mesa_glsl_error(&loc, state, "type of C-style initializer unknown"); return ir_rvalue::error_value(ctx); } - const glsl_type *const constructor_type = - this->constructor_type->glsl_type(&name, state); + const glsl_type *const constructor_type = this->constructor_type; if (!state->ARB_shading_language_420pack_enable) { _mesa_glsl_error(&loc, state, "C-style initialization requires the " @@ -1702,12 +1700,12 @@ ast_aggregate_initializer::hir(exec_list *instructions, return ir_rvalue::error_value(ctx); } - if (this->constructor_type->is_array) { + if (constructor_type->is_array()) { return process_array_constructor(instructions, constructor_type, &loc, &this->expressions, state); } - if (this->constructor_type->structure) { + if (constructor_type->is_record()) { return process_record_constructor(instructions, constructor_type, &loc, &this->expressions, state); } diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp index 4cc8eb18dc8..8d13610e426 100644 --- a/src/glsl/ast_to_hir.cpp +++ b/src/glsl/ast_to_hir.cpp @@ -2593,6 +2593,13 @@ process_initializer(ir_variable *var, ast_declaration *decl, ? "attribute" : "varying"); } + /* If the initializer is an ast_aggregate_initializer, recursively store + * type information from the LHS into it, so that its hir() function can do + * type checking. + */ + if (decl->initializer->oper == ast_aggregate) + _mesa_ast_set_aggregate_type(var->type, decl->initializer); + ir_dereference *const lhs = new(state) ir_dereference_variable(var); ir_rvalue *rhs = decl->initializer->hir(initializer_instructions, state); diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy index 1c56d6f145a..5451b764a77 100644 --- a/src/glsl/glsl_parser.yy +++ b/src/glsl/glsl_parser.yy @@ -1012,11 +1012,6 @@ init_declarator_list: $$ = $1; $$->declarations.push_tail(&decl->link); state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - if ($7->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, NULL); - _mesa_ast_set_aggregate_type(type, ai, state); - } } | init_declarator_list ',' any_identifier '[' constant_expression ']' '=' initializer { @@ -1027,11 +1022,6 @@ init_declarator_list: $$ = $1; $$->declarations.push_tail(&decl->link); state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - if ($8->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$8; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, $5); - _mesa_ast_set_aggregate_type(type, ai, state); - } } | init_declarator_list ',' any_identifier '=' initializer { @@ -1042,10 +1032,6 @@ init_declarator_list: $$ = $1; $$->declarations.push_tail(&decl->link); state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - if ($5->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$5; - _mesa_ast_set_aggregate_type($1->type->specifier, ai, state); - } } ; @@ -1093,11 +1079,6 @@ single_declaration: $$ = new(ctx) ast_declarator_list($1); $$->set_location(yylloc); $$->declarations.push_tail(&decl->link); - if ($6->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$6; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, NULL); - _mesa_ast_set_aggregate_type(type, ai, state); - } } | fully_specified_type any_identifier '[' constant_expression ']' '=' initializer { @@ -1107,11 +1088,6 @@ single_declaration: $$ = new(ctx) ast_declarator_list($1); $$->set_location(yylloc); $$->declarations.push_tail(&decl->link); - if ($7->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, $4); - _mesa_ast_set_aggregate_type(type, ai, state); - } } | fully_specified_type any_identifier '=' initializer { @@ -1121,9 +1097,6 @@ single_declaration: $$ = new(ctx) ast_declarator_list($1); $$->set_location(yylloc); $$->declarations.push_tail(&decl->link); - if ($4->oper == ast_aggregate) { - _mesa_ast_set_aggregate_type($1->specifier, $4, state); - } } | INVARIANT variable_identifier // Vertex only. { diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp index 9a1e0a249ed..345e426b75a 100644 --- a/src/glsl/glsl_parser_extras.cpp +++ b/src/glsl/glsl_parser_extras.cpp @@ -635,25 +635,6 @@ _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, /** - * Returns the name of the type of a column of a matrix. E.g., - * - * "mat3" -> "vec3" - * "mat4x2" -> "vec2" - */ -static const char * -_mesa_ast_get_matrix_column_type_name(const char *matrix_type_name) -{ - static const char *vec_name[] = { "vec2", "vec3", "vec4" }; - - /* The number of elements in a row of a matrix is specified by the last - * character of the matrix type name. - */ - long rows = strtol(matrix_type_name + strlen(matrix_type_name) - 1, - NULL, 10); - return vec_name[rows - 2]; -} - -/** * Recurses through <type> and <expr> if <expr> is an aggregate initializer * and sets <expr>'s <constructor_type> field to <type>. Gives later functions * (process_array_constructor, et al) sufficient information to do type @@ -700,37 +681,19 @@ _mesa_ast_get_matrix_column_type_name(const char *matrix_type_name) * doesn't contain sufficient information to determine if the types match. */ void -_mesa_ast_set_aggregate_type(const ast_type_specifier *type, - ast_expression *expr, - _mesa_glsl_parse_state *state) +_mesa_ast_set_aggregate_type(const glsl_type *type, + ast_expression *expr) { - void *ctx = state; ast_aggregate_initializer *ai = (ast_aggregate_initializer *)expr; - ai->constructor_type = (ast_type_specifier *)type; - - bool is_declaration = ai->constructor_type->structure != NULL; - if (!is_declaration) { - /* Look up <type> name in the symbol table to see if it's a struct. */ - const ast_type_specifier *struct_type = - state->symbols->get_type_ast(type->type_name); - ai->constructor_type->structure = - struct_type ? new(ctx) ast_struct_specifier(*struct_type->structure) - : NULL; - } + ai->constructor_type = type; /* If the aggregate is an array, recursively set its elements' types. */ - if (type->is_array) { - /* We want to set the element type which is not an array itself, so make - * a copy of the array type and set its is_array field to false. + if (type->is_array()) { + /* Each array element has the type type->element_type(). * * E.g., if <type> if struct S[2] we want to set each element's type to * struct S. - * - * FINISHME: Update when ARB_array_of_arrays is supported. */ - const ast_type_specifier *non_array_type = - new(ctx) ast_type_specifier(type, false, NULL); - for (exec_node *expr_node = ai->expressions.head; !expr_node->is_tail_sentinel(); expr_node = expr_node->next) { @@ -738,84 +701,33 @@ _mesa_ast_set_aggregate_type(const ast_type_specifier *type, link); if (expr->oper == ast_aggregate) - _mesa_ast_set_aggregate_type(non_array_type, expr, state); + _mesa_ast_set_aggregate_type(type->element_type(), expr); } /* If the aggregate is a struct, recursively set its fields' types. */ - } else if (ai->constructor_type->structure) { - ai->constructor_type->structure->is_declaration = is_declaration; + } else if (type->is_record()) { exec_node *expr_node = ai->expressions.head; - /* Iterate through the struct's fields' declarations. E.g., iterate from - * "float a, b" to "int c" in the struct below. - * - * struct { - * float a, b; - * int c; - * } s; - */ - for (exec_node *decl_list_node = - ai->constructor_type->structure->declarations.head; - !decl_list_node->is_tail_sentinel(); - decl_list_node = decl_list_node->next) { - ast_declarator_list *decl_list = exec_node_data(ast_declarator_list, - decl_list_node, link); - - for (exec_node *decl_node = decl_list->declarations.head; - !decl_node->is_tail_sentinel() && !expr_node->is_tail_sentinel(); - decl_node = decl_node->next, expr_node = expr_node->next) { - ast_declaration *decl = exec_node_data(ast_declaration, decl_node, - link); - ast_expression *expr = exec_node_data(ast_expression, expr_node, - link); - - bool is_array = decl_list->type->specifier->is_array; - ast_expression *array_size = decl_list->type->specifier->array_size; - - /* Recognize variable declarations with the bracketed size attached - * to the type rather than the variable name as arrays. E.g., - * - * float a[2]; - * float[2] b; - * - * are both arrays, but <a>'s array_size is decl->array_size, while - * <b>'s array_size is decl_list->type->specifier->array_size. - */ - if (!is_array) { - /* FINISHME: Update when ARB_array_of_arrays is supported. */ - is_array = decl->is_array; - array_size = decl->array_size; - } - - /* Declaration shadows the <type> parameter. */ - ast_type_specifier *type = - new(ctx) ast_type_specifier(decl_list->type->specifier, - is_array, array_size); + /* Iterate through the struct's fields. */ + for (unsigned i = 0; !expr_node->is_tail_sentinel() && i < type->length; + i++, expr_node = expr_node->next) { + ast_expression *expr = exec_node_data(ast_expression, expr_node, + link); - if (expr->oper == ast_aggregate) - _mesa_ast_set_aggregate_type(type, expr, state); + if (expr->oper == ast_aggregate) { + _mesa_ast_set_aggregate_type(type->fields.structure[i].type, expr); } } - } else { - /* If the aggregate is a matrix, set its columns' types. */ - const char *name; - const glsl_type *const constructor_type = - ai->constructor_type->glsl_type(&name, state); - - if (constructor_type->is_matrix()) { - for (exec_node *expr_node = ai->expressions.head; - !expr_node->is_tail_sentinel(); - expr_node = expr_node->next) { - ast_expression *expr = exec_node_data(ast_expression, expr_node, - link); - - /* Declaration shadows the <type> parameter. */ - ast_type_specifier *type = new(ctx) - ast_type_specifier(_mesa_ast_get_matrix_column_type_name(name)); - - if (expr->oper == ast_aggregate) - _mesa_ast_set_aggregate_type(type, expr, state); - } + /* If the aggregate is a matrix, set its columns' types. */ + } else if (type->is_matrix()) { + for (exec_node *expr_node = ai->expressions.head; + !expr_node->is_tail_sentinel(); + expr_node = expr_node->next) { + ast_expression *expr = exec_node_data(ast_expression, expr_node, + link); + + if (expr->oper == ast_aggregate) + _mesa_ast_set_aggregate_type(type->column_type(), expr); } } } |