diff options
Diffstat (limited to 'mesalib/src/glsl/ast_to_hir.cpp')
| -rw-r--r-- | mesalib/src/glsl/ast_to_hir.cpp | 1564 |
1 files changed, 769 insertions, 795 deletions
diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp index 717dc68ea..0411befa9 100644 --- a/mesalib/src/glsl/ast_to_hir.cpp +++ b/mesalib/src/glsl/ast_to_hir.cpp @@ -174,7 +174,7 @@ _mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state) */ bool apply_implicit_conversion(const glsl_type *to, ir_rvalue * &from, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; if (to->base_type == from->type->base_type) @@ -225,8 +225,8 @@ apply_implicit_conversion(const glsl_type *to, ir_rvalue * &from, static const struct glsl_type * arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, - bool multiply, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) + bool multiply, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) { const glsl_type *type_a = value_a->type; const glsl_type *type_b = value_b->type; @@ -239,7 +239,7 @@ arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, */ if (!type_a->is_numeric() || !type_b->is_numeric()) { _mesa_glsl_error(loc, state, - "operands to arithmetic operators must be numeric"); + "operands to arithmetic operators must be numeric"); return glsl_type::error_type; } @@ -251,8 +251,8 @@ arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, if (!apply_implicit_conversion(type_a, value_b, state) && !apply_implicit_conversion(type_b, value_a, state)) { _mesa_glsl_error(loc, state, - "could not implicitly convert operands to " - "arithmetic operator"); + "could not implicitly convert operands to " + "arithmetic operator"); return glsl_type::error_type; } type_a = value_a->type; @@ -269,7 +269,7 @@ arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, */ if (type_a->base_type != type_b->base_type) { _mesa_glsl_error(loc, state, - "base type mismatch for arithmetic operator"); + "base type mismatch for arithmetic operator"); return glsl_type::error_type; } @@ -291,7 +291,7 @@ arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, */ if (type_a->is_scalar()) { if (!type_b->is_scalar()) - return type_b; + return type_b; } else if (type_b->is_scalar()) { return type_a; } @@ -309,11 +309,11 @@ arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, */ if (type_a->is_vector() && type_b->is_vector()) { if (type_a == type_b) { - return type_a; + return type_a; } else { - _mesa_glsl_error(loc, state, - "vector size mismatch for arithmetic operator"); - return glsl_type::error_type; + _mesa_glsl_error(loc, state, + "vector size mismatch for arithmetic operator"); + return glsl_type::error_type; } } @@ -344,64 +344,64 @@ arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, */ if (! multiply) { if (type_a == type_b) - return type_a; + return type_a; } else { if (type_a->is_matrix() && type_b->is_matrix()) { - /* Matrix multiply. The columns of A must match the rows of B. Given - * the other previously tested constraints, this means the vector type - * of a row from A must be the same as the vector type of a column from - * B. - */ - if (type_a->row_type() == type_b->column_type()) { - /* The resulting matrix has the number of columns of matrix B and - * the number of rows of matrix A. We get the row count of A by - * looking at the size of a vector that makes up a column. The - * transpose (size of a row) is done for B. - */ - const glsl_type *const type = - glsl_type::get_instance(type_a->base_type, - type_a->column_type()->vector_elements, - type_b->row_type()->vector_elements); - assert(type != glsl_type::error_type); - - return type; - } + /* Matrix multiply. The columns of A must match the rows of B. Given + * the other previously tested constraints, this means the vector type + * of a row from A must be the same as the vector type of a column from + * B. + */ + if (type_a->row_type() == type_b->column_type()) { + /* The resulting matrix has the number of columns of matrix B and + * the number of rows of matrix A. We get the row count of A by + * looking at the size of a vector that makes up a column. The + * transpose (size of a row) is done for B. + */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_a->column_type()->vector_elements, + type_b->row_type()->vector_elements); + assert(type != glsl_type::error_type); + + return type; + } } else if (type_a->is_matrix()) { - /* A is a matrix and B is a column vector. Columns of A must match - * rows of B. Given the other previously tested constraints, this - * means the vector type of a row from A must be the same as the - * vector the type of B. - */ - if (type_a->row_type() == type_b) { - /* The resulting vector has a number of elements equal to - * the number of rows of matrix A. */ - const glsl_type *const type = - glsl_type::get_instance(type_a->base_type, - type_a->column_type()->vector_elements, - 1); - assert(type != glsl_type::error_type); - - return type; - } + /* A is a matrix and B is a column vector. Columns of A must match + * rows of B. Given the other previously tested constraints, this + * means the vector type of a row from A must be the same as the + * vector the type of B. + */ + if (type_a->row_type() == type_b) { + /* The resulting vector has a number of elements equal to + * the number of rows of matrix A. */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_a->column_type()->vector_elements, + 1); + assert(type != glsl_type::error_type); + + return type; + } } else { - assert(type_b->is_matrix()); - - /* A is a row vector and B is a matrix. Columns of A must match rows - * of B. Given the other previously tested constraints, this means - * the type of A must be the same as the vector type of a column from - * B. - */ - if (type_a == type_b->column_type()) { - /* The resulting vector has a number of elements equal to - * the number of columns of matrix B. */ - const glsl_type *const type = - glsl_type::get_instance(type_a->base_type, - type_b->row_type()->vector_elements, - 1); - assert(type != glsl_type::error_type); - - return type; - } + assert(type_b->is_matrix()); + + /* A is a row vector and B is a matrix. Columns of A must match rows + * of B. Given the other previously tested constraints, this means + * the type of A must be the same as the vector type of a column from + * B. + */ + if (type_a == type_b->column_type()) { + /* The resulting vector has a number of elements equal to + * the number of columns of matrix B. */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_b->row_type()->vector_elements, + 1); + assert(type != glsl_type::error_type); + + return type; + } } _mesa_glsl_error(loc, state, "size mismatch for matrix multiplication"); @@ -418,7 +418,7 @@ arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, static const struct glsl_type * unary_arithmetic_result_type(const struct glsl_type *type, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) { /* From GLSL 1.50 spec, page 57: * @@ -430,7 +430,7 @@ unary_arithmetic_result_type(const struct glsl_type *type, */ if (!type->is_numeric()) { _mesa_glsl_error(loc, state, - "operands to arithmetic operators must be numeric"); + "operands to arithmetic operators must be numeric"); return glsl_type::error_type; } @@ -504,8 +504,8 @@ bit_logic_result_type(const struct glsl_type *type_a, static const struct glsl_type * modulus_result_type(const struct glsl_type *type_a, - const struct glsl_type *type_b, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) + const struct glsl_type *type_b, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) { if (!state->check_version(130, 300, loc, "operator '%%' is reserved")) { return glsl_type::error_type; @@ -526,7 +526,7 @@ modulus_result_type(const struct glsl_type *type_a, } if (type_a->base_type != type_b->base_type) { _mesa_glsl_error(loc, state, - "operands of %% must have the same base type"); + "operands of %% must have the same base type"); return glsl_type::error_type; } @@ -537,8 +537,8 @@ modulus_result_type(const struct glsl_type *type_a, */ if (type_a->is_vector()) { if (!type_b->is_vector() - || (type_a->vector_elements == type_b->vector_elements)) - return type_a; + || (type_a->vector_elements == type_b->vector_elements)) + return type_a; } else return type_b; @@ -552,7 +552,7 @@ modulus_result_type(const struct glsl_type *type_a, static const struct glsl_type * relational_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) { const glsl_type *type_a = value_a->type; const glsl_type *type_b = value_b->type; @@ -567,8 +567,8 @@ relational_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, || !type_a->is_scalar() || !type_b->is_scalar()) { _mesa_glsl_error(loc, state, - "operands to relational operators must be scalar and " - "numeric"); + "operands to relational operators must be scalar and " + "numeric"); return glsl_type::error_type; } @@ -579,8 +579,8 @@ relational_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, if (!apply_implicit_conversion(type_a, value_b, state) && !apply_implicit_conversion(type_b, value_a, state)) { _mesa_glsl_error(loc, state, - "could not implicitly convert operands to " - "relational operator"); + "could not implicitly convert operands to " + "relational operator"); return glsl_type::error_type; } type_a = value_a->type; @@ -623,13 +623,13 @@ shift_result_type(const struct glsl_type *type_a, */ if (!type_a->is_integer()) { _mesa_glsl_error(loc, state, "LHS of operator %s must be an integer or " - "integer vector", ast_expression::operator_string(op)); + "integer vector", ast_expression::operator_string(op)); return glsl_type::error_type; } if (!type_b->is_integer()) { _mesa_glsl_error(loc, state, "RHS of operator %s must be an integer or " - "integer vector", ast_expression::operator_string(op)); + "integer vector", ast_expression::operator_string(op)); return glsl_type::error_type; } @@ -638,8 +638,8 @@ shift_result_type(const struct glsl_type *type_a, */ if (type_a->is_scalar() && !type_b->is_scalar()) { _mesa_glsl_error(loc, state, "if the first operand of %s is scalar, the " - "second must be scalar as well", - ast_expression::operator_string(op)); + "second must be scalar as well", + ast_expression::operator_string(op)); return glsl_type::error_type; } @@ -650,8 +650,8 @@ shift_result_type(const struct glsl_type *type_a, type_b->is_vector() && type_a->vector_elements != type_b->vector_elements) { _mesa_glsl_error(loc, state, "vector operands to operator %s must " - "have same number of elements", - ast_expression::operator_string(op)); + "have same number of elements", + ast_expression::operator_string(op)); return glsl_type::error_type; } @@ -738,11 +738,11 @@ mark_whole_array_access(ir_rvalue *access) static bool do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state, - const char *non_lvalue_description, - ir_rvalue *lhs, ir_rvalue *rhs, + const char *non_lvalue_description, + ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue **out_rvalue, bool needs_rvalue, bool is_initializer, - YYLTYPE lhs_loc) + YYLTYPE lhs_loc) { void *ctx = state; bool error_emitted = (lhs->type->is_error() || rhs->type->is_error()); @@ -792,30 +792,29 @@ do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state, if (non_lvalue_description != NULL) { _mesa_glsl_error(&lhs_loc, state, "assignment to %s", - non_lvalue_description); - error_emitted = true; + non_lvalue_description); + error_emitted = true; } else if (lhs->variable_referenced() != NULL - && lhs->variable_referenced()->data.read_only) { + && lhs->variable_referenced()->data.read_only) { _mesa_glsl_error(&lhs_loc, state, "assignment to read-only variable '%s'", lhs->variable_referenced()->name); error_emitted = true; - } else if (lhs->type->is_array() && !state->check_version(120, 300, &lhs_loc, "whole array assignment forbidden")) { - /* From page 32 (page 38 of the PDF) of the GLSL 1.10 spec: - * - * "Other binary or unary expressions, non-dereferenced - * arrays, function names, swizzles with repeated fields, - * and constants cannot be l-values." + /* From page 32 (page 38 of the PDF) of the GLSL 1.10 spec: + * + * "Other binary or unary expressions, non-dereferenced + * arrays, function names, swizzles with repeated fields, + * and constants cannot be l-values." * * The restriction on arrays is lifted in GLSL 1.20 and GLSL ES 3.00. - */ - error_emitted = true; + */ + error_emitted = true; } else if (!lhs->is_lvalue()) { - _mesa_glsl_error(& lhs_loc, state, "non-lvalue in assignment"); - error_emitted = true; + _mesa_glsl_error(& lhs_loc, state, "non-lvalue in assignment"); + error_emitted = true; } } @@ -830,24 +829,24 @@ do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state, * is either not an l-value or not a whole array. */ if (lhs->type->is_unsized_array()) { - ir_dereference *const d = lhs->as_dereference(); + ir_dereference *const d = lhs->as_dereference(); - assert(d != NULL); + assert(d != NULL); - ir_variable *const var = d->variable_referenced(); + ir_variable *const var = d->variable_referenced(); - assert(var != NULL); + assert(var != NULL); - if (var->data.max_array_access >= unsigned(rhs->type->array_size())) { - /* FINISHME: This should actually log the location of the RHS. */ - _mesa_glsl_error(& lhs_loc, state, "array size must be > %u due to " - "previous access", - var->data.max_array_access); - } + if (var->data.max_array_access >= unsigned(rhs->type->array_size())) { + /* FINISHME: This should actually log the location of the RHS. */ + _mesa_glsl_error(& lhs_loc, state, "array size must be > %u due to " + "previous access", + var->data.max_array_access); + } - var->type = glsl_type::get_array_instance(lhs->type->element_type(), - rhs->type->array_size()); - d->type = var->type; + var->type = glsl_type::get_array_instance(lhs->type->element_type(), + rhs->type->array_size()); + d->type = var->type; } if (lhs->type->is_array()) { mark_whole_array_access(rhs); @@ -908,8 +907,7 @@ get_lvalue_copy(exec_list *instructions, ir_rvalue *lvalue) ir_rvalue * -ast_node::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) +ast_node::hir(exec_list *instructions, struct _mesa_glsl_parse_state *state) { (void) instructions; (void) state; @@ -951,19 +949,19 @@ do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1) case GLSL_TYPE_ARRAY: { for (unsigned int i = 0; i < op0->type->length; i++) { - ir_rvalue *e0, *e1, *result; - - e0 = new(mem_ctx) ir_dereference_array(op0->clone(mem_ctx, NULL), - new(mem_ctx) ir_constant(i)); - e1 = new(mem_ctx) ir_dereference_array(op1->clone(mem_ctx, NULL), - new(mem_ctx) ir_constant(i)); - result = do_comparison(mem_ctx, operation, e0, e1); - - if (cmp) { - cmp = new(mem_ctx) ir_expression(join_op, cmp, result); - } else { - cmp = result; - } + ir_rvalue *e0, *e1, *result; + + e0 = new(mem_ctx) ir_dereference_array(op0->clone(mem_ctx, NULL), + new(mem_ctx) ir_constant(i)); + e1 = new(mem_ctx) ir_dereference_array(op1->clone(mem_ctx, NULL), + new(mem_ctx) ir_constant(i)); + result = do_comparison(mem_ctx, operation, e0, e1); + + if (cmp) { + cmp = new(mem_ctx) ir_expression(join_op, cmp, result); + } else { + cmp = result; + } } mark_whole_array_access(op0); @@ -973,20 +971,20 @@ do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1) case GLSL_TYPE_STRUCT: { for (unsigned int i = 0; i < op0->type->length; i++) { - ir_rvalue *e0, *e1, *result; - const char *field_name = op0->type->fields.structure[i].name; - - e0 = new(mem_ctx) ir_dereference_record(op0->clone(mem_ctx, NULL), - field_name); - e1 = new(mem_ctx) ir_dereference_record(op1->clone(mem_ctx, NULL), - field_name); - result = do_comparison(mem_ctx, operation, e0, e1); - - if (cmp) { - cmp = new(mem_ctx) ir_expression(join_op, cmp, result); - } else { - cmp = result; - } + ir_rvalue *e0, *e1, *result; + const char *field_name = op0->type->fields.structure[i].name; + + e0 = new(mem_ctx) ir_dereference_record(op0->clone(mem_ctx, NULL), + field_name); + e1 = new(mem_ctx) ir_dereference_record(op1->clone(mem_ctx, NULL), + field_name); + result = do_comparison(mem_ctx, operation, e0, e1); + + if (cmp) { + cmp = new(mem_ctx) ir_expression(join_op, cmp, result); + } else { + cmp = result; + } } break; } @@ -1031,8 +1029,8 @@ get_scalar_boolean_operand(exec_list *instructions, if (!*error_emitted) { YYLTYPE loc = expr->get_location(); _mesa_glsl_error(&loc, state, "%s of `%s' must be scalar boolean", - operand_name, - parent_expr->operator_string(parent_expr->oper)); + operand_name, + parent_expr->operator_string(parent_expr->oper)); *error_emitted = true; } @@ -1098,7 +1096,7 @@ constant_one_for_inc_dec(void *ctx, const glsl_type *type) ir_rvalue * ast_expression::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { return do_hir(instructions, state, true); } @@ -1181,8 +1179,8 @@ ast_expression::do_hir(exec_list *instructions, switch (this->oper) { case ast_aggregate: - assert(!"ast_aggregate: Should never get here."); - break; + assert(!"ast_aggregate: Should never get here."); + break; case ast_assign: { op[0] = this->subexpressions[0]->hir(instructions, state); @@ -1214,7 +1212,7 @@ ast_expression::do_hir(exec_list *instructions, error_emitted = type->is_error(); result = new(ctx) ir_expression(operations[this->oper], type, - op[0], NULL); + op[0], NULL); break; case ast_add: @@ -1225,12 +1223,12 @@ ast_expression::do_hir(exec_list *instructions, op[1] = this->subexpressions[1]->hir(instructions, state); type = arithmetic_result_type(op[0], op[1], - (this->oper == ast_mul), - state, & loc); + (this->oper == ast_mul), + state, & loc); error_emitted = type->is_error(); result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); break; case ast_mod: @@ -1242,7 +1240,7 @@ ast_expression::do_hir(exec_list *instructions, assert(operations[this->oper] == ir_binop_mod); result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); error_emitted = type->is_error(); break; @@ -1278,7 +1276,7 @@ ast_expression::do_hir(exec_list *instructions, && type->is_scalar())); result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); error_emitted = type->is_error(); break; @@ -1297,15 +1295,15 @@ ast_expression::do_hir(exec_list *instructions, * case this conversion is done." */ if ((!apply_implicit_conversion(op[0]->type, op[1], state) - && !apply_implicit_conversion(op[1]->type, op[0], state)) - || (op[0]->type != op[1]->type)) { - _mesa_glsl_error(& loc, state, "operands of `%s' must have the same " - "type", (this->oper == ast_equal) ? "==" : "!="); - error_emitted = true; + && !apply_implicit_conversion(op[1]->type, op[0], state)) + || (op[0]->type != op[1]->type)) { + _mesa_glsl_error(& loc, state, "operands of `%s' must have the same " + "type", (this->oper == ast_equal) ? "==" : "!="); + error_emitted = true; } else if ((op[0]->type->is_array() || op[1]->type->is_array()) && !state->check_version(120, 300, &loc, "array comparisons forbidden")) { - error_emitted = true; + error_emitted = true; } else if ((op[0]->type->contains_opaque() || op[1]->type->contains_opaque())) { _mesa_glsl_error(&loc, state, "opaque type comparisons forbidden"); @@ -1313,10 +1311,10 @@ ast_expression::do_hir(exec_list *instructions, } if (error_emitted) { - result = new(ctx) ir_constant(false); + result = new(ctx) ir_constant(false); } else { - result = do_comparison(ctx, operations[this->oper], op[0], op[1]); - assert(result->type == glsl_type::bool_type); + result = do_comparison(ctx, operations[this->oper], op[0], op[1]); + assert(result->type == glsl_type::bool_type); } break; @@ -1328,7 +1326,7 @@ ast_expression::do_hir(exec_list *instructions, type = bit_logic_result_type(op[0]->type, op[1]->type, this->oper, state, &loc); result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); break; @@ -1336,12 +1334,12 @@ ast_expression::do_hir(exec_list *instructions, op[0] = this->subexpressions[0]->hir(instructions, state); if (!state->check_bitwise_operations_allowed(&loc)) { - error_emitted = true; + error_emitted = true; } if (!op[0]->type->is_integer()) { - _mesa_glsl_error(&loc, state, "operand of `~' must be an integer"); - error_emitted = true; + _mesa_glsl_error(&loc, state, "operand of `~' must be an integer"); + error_emitted = true; } type = error_emitted ? glsl_type::error_type : op[0]->type; @@ -1351,35 +1349,35 @@ ast_expression::do_hir(exec_list *instructions, case ast_logic_and: { exec_list rhs_instructions; op[0] = get_scalar_boolean_operand(instructions, state, this, 0, - "LHS", &error_emitted); + "LHS", &error_emitted); op[1] = get_scalar_boolean_operand(&rhs_instructions, state, this, 1, - "RHS", &error_emitted); + "RHS", &error_emitted); if (rhs_instructions.is_empty()) { - result = new(ctx) ir_expression(ir_binop_logic_and, op[0], op[1]); - type = result->type; + result = new(ctx) ir_expression(ir_binop_logic_and, op[0], op[1]); + type = result->type; } else { - ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, - "and_tmp", - ir_var_temporary); - instructions->push_tail(tmp); - - ir_if *const stmt = new(ctx) ir_if(op[0]); - instructions->push_tail(stmt); - - stmt->then_instructions.append_list(&rhs_instructions); - ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const then_assign = - new(ctx) ir_assignment(then_deref, op[1]); - stmt->then_instructions.push_tail(then_assign); - - ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const else_assign = - new(ctx) ir_assignment(else_deref, new(ctx) ir_constant(false)); - stmt->else_instructions.push_tail(else_assign); - - result = new(ctx) ir_dereference_variable(tmp); - type = tmp->type; + ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, + "and_tmp", + ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + stmt->then_instructions.append_list(&rhs_instructions); + ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, op[1]); + stmt->then_instructions.push_tail(then_assign); + + ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, new(ctx) ir_constant(false)); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + type = tmp->type; } break; } @@ -1387,35 +1385,35 @@ ast_expression::do_hir(exec_list *instructions, case ast_logic_or: { exec_list rhs_instructions; op[0] = get_scalar_boolean_operand(instructions, state, this, 0, - "LHS", &error_emitted); + "LHS", &error_emitted); op[1] = get_scalar_boolean_operand(&rhs_instructions, state, this, 1, - "RHS", &error_emitted); + "RHS", &error_emitted); if (rhs_instructions.is_empty()) { - result = new(ctx) ir_expression(ir_binop_logic_or, op[0], op[1]); - type = result->type; + result = new(ctx) ir_expression(ir_binop_logic_or, op[0], op[1]); + type = result->type; } else { - ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, - "or_tmp", - ir_var_temporary); - instructions->push_tail(tmp); - - ir_if *const stmt = new(ctx) ir_if(op[0]); - instructions->push_tail(stmt); - - ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const then_assign = - new(ctx) ir_assignment(then_deref, new(ctx) ir_constant(true)); - stmt->then_instructions.push_tail(then_assign); - - stmt->else_instructions.append_list(&rhs_instructions); - ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const else_assign = - new(ctx) ir_assignment(else_deref, op[1]); - stmt->else_instructions.push_tail(else_assign); - - result = new(ctx) ir_dereference_variable(tmp); - type = tmp->type; + ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, + "or_tmp", + ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, new(ctx) ir_constant(true)); + stmt->then_instructions.push_tail(then_assign); + + stmt->else_instructions.append_list(&rhs_instructions); + ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, op[1]); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + type = tmp->type; } break; } @@ -1428,20 +1426,20 @@ ast_expression::do_hir(exec_list *instructions, * expressions and result in a Boolean expression." */ op[0] = get_scalar_boolean_operand(instructions, state, this, 0, "LHS", - &error_emitted); + &error_emitted); op[1] = get_scalar_boolean_operand(instructions, state, this, 1, "RHS", - &error_emitted); + &error_emitted); result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, - op[0], op[1]); + op[0], op[1]); break; case ast_logic_not: op[0] = get_scalar_boolean_operand(instructions, state, this, 0, - "operand", &error_emitted); + "operand", &error_emitted); result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, - op[0], NULL); + op[0], NULL); break; case ast_mul_assign: @@ -1452,11 +1450,11 @@ ast_expression::do_hir(exec_list *instructions, op[1] = this->subexpressions[1]->hir(instructions, state); type = arithmetic_result_type(op[0], op[1], - (this->oper == ast_mul_assign), - state, & loc); + (this->oper == ast_mul_assign), + state, & loc); ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); error_emitted = do_assignment(instructions, state, @@ -1483,7 +1481,7 @@ ast_expression::do_hir(exec_list *instructions, ir_rvalue *temp_rhs; temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); error_emitted = do_assignment(instructions, state, @@ -1537,7 +1535,7 @@ ast_expression::do_hir(exec_list *instructions, * first expression, which must result in a scalar Boolean." */ op[0] = get_scalar_boolean_operand(instructions, state, this, 0, - "condition", &error_emitted); + "condition", &error_emitted); /* The :? operator is implemented by generating an anonymous temporary * followed by an if-statement. The last instruction in each branch of @@ -1560,16 +1558,16 @@ ast_expression::do_hir(exec_list *instructions, * expression." */ if ((!apply_implicit_conversion(op[1]->type, op[2], state) - && !apply_implicit_conversion(op[2]->type, op[1], state)) - || (op[1]->type != op[2]->type)) { - YYLTYPE loc = this->subexpressions[1]->get_location(); - - _mesa_glsl_error(& loc, state, "second and third operands of ?: " - "operator must have matching types"); - error_emitted = true; - type = glsl_type::error_type; + && !apply_implicit_conversion(op[2]->type, op[1], state)) + || (op[1]->type != op[2]->type)) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, "second and third operands of ?: " + "operator must have matching types"); + error_emitted = true; + type = glsl_type::error_type; } else { - type = op[1]->type; + type = op[1]->type; } /* From page 33 (page 39 of the PDF) of the GLSL 1.10 spec: @@ -1581,7 +1579,7 @@ ast_expression::do_hir(exec_list *instructions, !state->check_version(120, 300, &loc, "second and third operands of ?: operator " "cannot be arrays")) { - error_emitted = true; + error_emitted = true; } ir_constant *cond_val = op[0]->constant_expression_value(); @@ -1589,32 +1587,32 @@ ast_expression::do_hir(exec_list *instructions, ir_constant *else_val = op[2]->constant_expression_value(); if (then_instructions.is_empty() - && else_instructions.is_empty() - && (cond_val != NULL) && (then_val != NULL) && (else_val != NULL)) { - result = (cond_val->value.b[0]) ? then_val : else_val; + && else_instructions.is_empty() + && (cond_val != NULL) && (then_val != NULL) && (else_val != NULL)) { + result = (cond_val->value.b[0]) ? then_val : else_val; } else { - ir_variable *const tmp = - new(ctx) ir_variable(type, "conditional_tmp", ir_var_temporary); - instructions->push_tail(tmp); - - ir_if *const stmt = new(ctx) ir_if(op[0]); - instructions->push_tail(stmt); - - then_instructions.move_nodes_to(& stmt->then_instructions); - ir_dereference *const then_deref = - new(ctx) ir_dereference_variable(tmp); - ir_assignment *const then_assign = - new(ctx) ir_assignment(then_deref, op[1]); - stmt->then_instructions.push_tail(then_assign); - - else_instructions.move_nodes_to(& stmt->else_instructions); - ir_dereference *const else_deref = - new(ctx) ir_dereference_variable(tmp); - ir_assignment *const else_assign = - new(ctx) ir_assignment(else_deref, op[2]); - stmt->else_instructions.push_tail(else_assign); - - result = new(ctx) ir_dereference_variable(tmp); + ir_variable *const tmp = + new(ctx) ir_variable(type, "conditional_tmp", ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + then_instructions.move_nodes_to(& stmt->then_instructions); + ir_dereference *const then_deref = + new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, op[1]); + stmt->then_instructions.push_tail(then_assign); + + else_instructions.move_nodes_to(& stmt->else_instructions); + ir_dereference *const else_deref = + new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, op[2]); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); } break; } @@ -1622,7 +1620,7 @@ ast_expression::do_hir(exec_list *instructions, case ast_pre_inc: case ast_pre_dec: { this->non_lvalue_description = (this->oper == ast_pre_inc) - ? "pre-increment operation" : "pre-decrement operation"; + ? "pre-increment operation" : "pre-decrement operation"; op[0] = this->subexpressions[0]->hir(instructions, state); op[1] = constant_one_for_inc_dec(ctx, op[0]->type); @@ -1631,7 +1629,7 @@ ast_expression::do_hir(exec_list *instructions, ir_rvalue *temp_rhs; temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); error_emitted = do_assignment(instructions, state, @@ -1645,7 +1643,7 @@ ast_expression::do_hir(exec_list *instructions, case ast_post_inc: case ast_post_dec: { this->non_lvalue_description = (this->oper == ast_post_inc) - ? "post-increment operation" : "post-decrement operation"; + ? "post-increment operation" : "post-decrement operation"; op[0] = this->subexpressions[0]->hir(instructions, state); op[1] = constant_one_for_inc_dec(ctx, op[0]->type); @@ -1655,7 +1653,7 @@ ast_expression::do_hir(exec_list *instructions, ir_rvalue *temp_rhs; temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); + op[0], op[1]); /* Get a temporary of a copy of the lvalue before it's modified. * This may get thrown away later. @@ -1684,10 +1682,10 @@ ast_expression::do_hir(exec_list *instructions, op[1] = subexpressions[1]->hir(instructions, state); result = _mesa_ast_array_index_to_hir(ctx, state, op[0], op[1], - loc, index_loc); + loc, index_loc); if (result->type->is_error()) - error_emitted = true; + error_emitted = true; break; } @@ -1705,17 +1703,17 @@ ast_expression::do_hir(exec_list *instructions, * as 'variable_identifier'. */ ir_variable *var = - state->symbols->get_variable(this->primary_expression.identifier); + state->symbols->get_variable(this->primary_expression.identifier); if (var != NULL) { - var->data.used = true; - result = new(ctx) ir_dereference_variable(var); + var->data.used = true; + result = new(ctx) ir_dereference_variable(var); } else { - _mesa_glsl_error(& loc, state, "`%s' undeclared", - this->primary_expression.identifier); + _mesa_glsl_error(& loc, state, "`%s' undeclared", + this->primary_expression.identifier); - result = ir_rvalue::error_value(ctx); - error_emitted = true; + result = ir_rvalue::error_value(ctx); + error_emitted = true; } break; } @@ -1751,37 +1749,37 @@ ast_expression::do_hir(exec_list *instructions, YYLTYPE previous_operand_loc = loc; foreach_list_typed (ast_node, ast, link, &this->expressions) { - /* If one of the operands of comma operator does not generate any - * code, we want to emit a warning. At each pass through the loop - * previous_tail_pred will point to the last instruction in the - * stream *before* processing the previous operand. Naturally, - * instructions->tail_pred will point to the last instruction in the - * stream *after* processing the previous operand. If the two - * pointers match, then the previous operand had no effect. - * - * The warning behavior here differs slightly from GCC. GCC will - * only emit a warning if none of the left-hand operands have an - * effect. However, it will emit a warning for each. I believe that - * there are some cases in C (especially with GCC extensions) where - * it is useful to have an intermediate step in a sequence have no - * effect, but I don't think these cases exist in GLSL. Either way, - * it would be a giant hassle to replicate that behavior. - */ - if (previous_tail_pred == instructions->tail_pred) { - _mesa_glsl_warning(&previous_operand_loc, state, - "left-hand operand of comma expression has " - "no effect"); - } - - /* tail_pred is directly accessed instead of using the get_tail() - * method for performance reasons. get_tail() has extra code to - * return NULL when the list is empty. We don't care about that - * here, so using tail_pred directly is fine. - */ - previous_tail_pred = instructions->tail_pred; - previous_operand_loc = ast->get_location(); - - result = ast->hir(instructions, state); + /* If one of the operands of comma operator does not generate any + * code, we want to emit a warning. At each pass through the loop + * previous_tail_pred will point to the last instruction in the + * stream *before* processing the previous operand. Naturally, + * instructions->tail_pred will point to the last instruction in the + * stream *after* processing the previous operand. If the two + * pointers match, then the previous operand had no effect. + * + * The warning behavior here differs slightly from GCC. GCC will + * only emit a warning if none of the left-hand operands have an + * effect. However, it will emit a warning for each. I believe that + * there are some cases in C (especially with GCC extensions) where + * it is useful to have an intermediate step in a sequence have no + * effect, but I don't think these cases exist in GLSL. Either way, + * it would be a giant hassle to replicate that behavior. + */ + if (previous_tail_pred == instructions->tail_pred) { + _mesa_glsl_warning(&previous_operand_loc, state, + "left-hand operand of comma expression has " + "no effect"); + } + + /* tail_pred is directly accessed instead of using the get_tail() + * method for performance reasons. get_tail() has extra code to + * return NULL when the list is empty. We don't care about that + * here, so using tail_pred directly is fine. + */ + previous_tail_pred = instructions->tail_pred; + previous_operand_loc = ast->get_location(); + + result = ast->hir(instructions, state); } /* Any errors should have already been emitted in the loop above. @@ -1802,7 +1800,7 @@ ast_expression::do_hir(exec_list *instructions, ir_rvalue * ast_expression_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { /* It is possible to have expression statements that don't have an * expression. This is the solitary semicolon: @@ -1824,7 +1822,7 @@ ast_expression_statement::hir(exec_list *instructions, ir_rvalue * ast_compound_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { if (new_scope) state->symbols->push_scope(); @@ -1851,8 +1849,7 @@ process_array_size(exec_node *node, exec_list dummy_instructions; ast_node *array_size = exec_node_data(ast_node, node, link); - ir_rvalue *const ir = array_size->hir(& dummy_instructions, - state); + ir_rvalue *const ir = array_size->hir(& dummy_instructions, state); YYLTYPE loc = array_size->get_location(); if (ir == NULL) { @@ -1933,8 +1930,7 @@ process_array_type(YYLTYPE *loc, const glsl_type *base, for (exec_node *node = array_specifier->array_dimensions.tail_pred; !node->is_head_sentinel(); node = node->prev) { unsigned array_size = process_array_size(node, state); - array_type = glsl_type::get_array_instance(array_type, - array_size); + array_type = glsl_type::get_array_instance(array_type, array_size); } if (array_specifier->is_unsized_array) @@ -1947,7 +1943,7 @@ process_array_type(YYLTYPE *loc, const glsl_type *base, const glsl_type * ast_type_specifier::glsl_type(const char **name, - struct _mesa_glsl_parse_state *state) const + struct _mesa_glsl_parse_state *state) const { const struct glsl_type *type; @@ -2011,7 +2007,7 @@ is_varying_var(ir_variable *var, gl_shader_stage target) */ static void validate_matrix_layout_for_type(struct _mesa_glsl_parse_state *state, - YYLTYPE *loc, + YYLTYPE *loc, const glsl_type *type, ir_variable *var) { @@ -2240,7 +2236,7 @@ validate_explicit_location(const struct ast_type_qualifier *qual, _mesa_glsl_error(loc, state, "%s cannot be given an explicit location in %s shader", mode_string(var), - _mesa_shader_stage_to_string(state->stage)); + _mesa_shader_stage_to_string(state->stage)); } else { var->data.explicit_location = true; @@ -2347,21 +2343,21 @@ apply_image_qualifier_to_variable(const struct ast_type_qualifier *qual, static void apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, - ir_variable *var, - struct _mesa_glsl_parse_state *state, - YYLTYPE *loc, + ir_variable *var, + struct _mesa_glsl_parse_state *state, + YYLTYPE *loc, bool is_parameter) { STATIC_ASSERT(sizeof(qual->flags.q) <= sizeof(qual->flags.i)); if (qual->flags.q.invariant) { if (var->data.used) { - _mesa_glsl_error(loc, state, - "variable `%s' may not be redeclared " - "`invariant' after being used", - var->name); + _mesa_glsl_error(loc, state, + "variable `%s' may not be redeclared " + "`invariant' after being used", + var->name); } else { - var->data.invariant = 1; + var->data.invariant = 1; } } @@ -2379,9 +2375,9 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, if (qual->flags.q.attribute && state->stage != MESA_SHADER_VERTEX) { var->type = glsl_type::error_type; _mesa_glsl_error(loc, state, - "`attribute' variables may not be declared in the " - "%s shader", - _mesa_shader_stage_to_string(state->stage)); + "`attribute' variables may not be declared in the " + "%s shader", + _mesa_shader_stage_to_string(state->stage)); } /* Section 6.1.1 (Function Calling Conventions) of the GLSL 1.10 spec says: @@ -2474,18 +2470,18 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, if (state->all_invariant && (state->current_function == NULL)) { switch (state->stage) { case MESA_SHADER_VERTEX: - if (var->data.mode == ir_var_shader_out) - var->data.invariant = true; - break; + if (var->data.mode == ir_var_shader_out) + var->data.invariant = true; + break; case MESA_SHADER_GEOMETRY: - if ((var->data.mode == ir_var_shader_in) + if ((var->data.mode == ir_var_shader_in) || (var->data.mode == ir_var_shader_out)) - var->data.invariant = true; - break; + var->data.invariant = true; + break; case MESA_SHADER_FRAGMENT: - if (var->data.mode == ir_var_shader_in) - var->data.invariant = true; - break; + if (var->data.mode == ir_var_shader_in) + var->data.invariant = true; + break; case MESA_SHADER_COMPUTE: /* Invariance isn't meaningful in compute shaders. */ break; @@ -2501,7 +2497,7 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, if ((qual->flags.q.origin_upper_left || qual->flags.q.pixel_center_integer) && (strcmp(var->name, "gl_FragCoord") != 0)) { const char *const qual_string = (qual->flags.q.origin_upper_left) - ? "origin_upper_left" : "pixel_center_integer"; + ? "origin_upper_left" : "pixel_center_integer"; _mesa_glsl_error(loc, state, "layout qualifier `%s' can only be applied to " @@ -2512,8 +2508,7 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, if (qual->flags.q.explicit_location) { validate_explicit_location(qual, var, state, loc); } else if (qual->flags.q.explicit_index) { - _mesa_glsl_error(loc, state, - "explicit index requires explicit location"); + _mesa_glsl_error(loc, state, "explicit index requires explicit location"); } if (qual->flags.q.explicit_binding && @@ -2577,13 +2572,13 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, if (qual->has_layout() && uses_deprecated_qualifier) { if (relaxed_layout_qualifier_checking) { - _mesa_glsl_warning(loc, state, - "`layout' qualifier may not be used with " - "`attribute' or `varying'"); + _mesa_glsl_warning(loc, state, + "`layout' qualifier may not be used with " + "`attribute' or `varying'"); } else { - _mesa_glsl_error(loc, state, - "`layout' qualifier may not be used with " - "`attribute' or `varying'"); + _mesa_glsl_error(loc, state, + "`layout' qualifier may not be used with " + "`attribute' or `varying'"); } } @@ -2600,7 +2595,7 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, _mesa_glsl_error(loc, state, "extension GL_AMD_conservative_depth or " "GL_ARB_conservative_depth must be enabled " - "to use depth layout qualifiers"); + "to use depth layout qualifiers"); } else if (depth_layout_count > 0 && strcmp(var->name, "gl_FragDepth") != 0) { _mesa_glsl_error(loc, state, @@ -2628,8 +2623,8 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, qual->flags.q.shared) { _mesa_glsl_error(loc, state, "uniform block layout qualifiers std140, packed, and " - "shared can only be applied to uniform blocks, not " - "members"); + "shared can only be applied to uniform blocks, not " + "members"); } if (qual->flags.q.row_major || qual->flags.q.column_major) { @@ -2665,7 +2660,7 @@ get_variable_being_redeclared(ir_variable *var, YYLTYPE loc, ir_variable *earlier = state->symbols->get_variable(var->name); if (earlier == NULL || (state->current_function != NULL && - !state->symbols->name_declared_this_scope(var->name))) { + !state->symbols->name_declared_this_scope(var->name))) { return NULL; } @@ -2686,19 +2681,19 @@ get_variable_being_redeclared(ir_variable *var, YYLTYPE loc, const unsigned size = unsigned(var->type->array_size()); check_builtin_array_max_size(var->name, size, loc, state); if ((size > 0) && (size <= earlier->data.max_array_access)) { - _mesa_glsl_error(& loc, state, "array size must be > %u due to " - "previous access", - earlier->data.max_array_access); + _mesa_glsl_error(& loc, state, "array size must be > %u due to " + "previous access", + earlier->data.max_array_access); } earlier->type = var->type; delete var; var = NULL; } else if ((state->ARB_fragment_coord_conventions_enable || - state->is_version(150, 0)) - && strcmp(var->name, "gl_FragCoord") == 0 - && earlier->type == var->type - && earlier->data.mode == var->data.mode) { + state->is_version(150, 0)) + && strcmp(var->name, "gl_FragCoord") == 0 + && earlier->type == var->type + && earlier->data.mode == var->data.mode) { /* Allow redeclaration of gl_FragCoord for ARB_fcc layout * qualifiers. */ @@ -2716,42 +2711,42 @@ get_variable_being_redeclared(ir_variable *var, YYLTYPE loc, * * gl_SecondaryColor */ } else if (state->is_version(130, 0) - && (strcmp(var->name, "gl_FrontColor") == 0 - || strcmp(var->name, "gl_BackColor") == 0 - || strcmp(var->name, "gl_FrontSecondaryColor") == 0 - || strcmp(var->name, "gl_BackSecondaryColor") == 0 - || strcmp(var->name, "gl_Color") == 0 - || strcmp(var->name, "gl_SecondaryColor") == 0) - && earlier->type == var->type - && earlier->data.mode == var->data.mode) { + && (strcmp(var->name, "gl_FrontColor") == 0 + || strcmp(var->name, "gl_BackColor") == 0 + || strcmp(var->name, "gl_FrontSecondaryColor") == 0 + || strcmp(var->name, "gl_BackSecondaryColor") == 0 + || strcmp(var->name, "gl_Color") == 0 + || strcmp(var->name, "gl_SecondaryColor") == 0) + && earlier->type == var->type + && earlier->data.mode == var->data.mode) { earlier->data.interpolation = var->data.interpolation; /* Layout qualifiers for gl_FragDepth. */ } else if ((state->AMD_conservative_depth_enable || state->ARB_conservative_depth_enable) - && strcmp(var->name, "gl_FragDepth") == 0 - && earlier->type == var->type - && earlier->data.mode == var->data.mode) { + && strcmp(var->name, "gl_FragDepth") == 0 + && earlier->type == var->type + && earlier->data.mode == var->data.mode) { /** From the AMD_conservative_depth spec: * Within any shader, the first redeclarations of gl_FragDepth * must appear before any use of gl_FragDepth. */ if (earlier->data.used) { - _mesa_glsl_error(&loc, state, - "the first redeclaration of gl_FragDepth " - "must appear before any use of gl_FragDepth"); + _mesa_glsl_error(&loc, state, + "the first redeclaration of gl_FragDepth " + "must appear before any use of gl_FragDepth"); } /* Prevent inconsistent redeclaration of depth layout qualifier. */ if (earlier->data.depth_layout != ir_depth_layout_none - && earlier->data.depth_layout != var->data.depth_layout) { - _mesa_glsl_error(&loc, state, - "gl_FragDepth: depth layout is declared here " - "as '%s, but it was previously declared as " - "'%s'", - depth_layout_string(var->data.depth_layout), - depth_layout_string(earlier->data.depth_layout)); + && earlier->data.depth_layout != var->data.depth_layout) { + _mesa_glsl_error(&loc, state, + "gl_FragDepth: depth layout is declared here " + "as '%s, but it was previously declared as " + "'%s'", + depth_layout_string(var->data.depth_layout), + depth_layout_string(earlier->data.depth_layout)); } earlier->data.depth_layout = var->data.depth_layout; @@ -2805,7 +2800,7 @@ process_initializer(ir_variable *var, ast_declaration *decl, */ if (var->type->contains_opaque()) { _mesa_glsl_error(& initializer_loc, state, - "cannot initialize opaque variable"); + "cannot initialize opaque variable"); } if ((var->data.mode == ir_var_shader_in) && (state->current_function == NULL)) { @@ -2824,8 +2819,7 @@ process_initializer(ir_variable *var, ast_declaration *decl, _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); + ir_rvalue *rhs = decl->initializer->hir(initializer_instructions, state); /* Calculate the constant value if this is a const or uniform * declaration. @@ -2835,10 +2829,10 @@ process_initializer(ir_variable *var, ast_declaration *decl, ir_rvalue *new_rhs = validate_assignment(state, initializer_loc, var->type, rhs, true); if (new_rhs != NULL) { - rhs = new_rhs; + rhs = new_rhs; - ir_constant *constant_value = rhs->constant_expression_value(); - if (!constant_value) { + ir_constant *constant_value = rhs->constant_expression_value(); + if (!constant_value) { /* If ARB_shading_language_420pack is enabled, initializers of * const-qualified local variables do not have to be constant * expressions. Const-qualified global variables must still be @@ -2858,35 +2852,35 @@ process_initializer(ir_variable *var, ast_declaration *decl, } } } else { - rhs = constant_value; - var->constant_value = constant_value; - } + rhs = constant_value; + var->constant_value = constant_value; + } } else { - if (var->type->is_numeric()) { - /* Reduce cascading errors. */ - var->constant_value = ir_constant::zero(state, var->type); - } + if (var->type->is_numeric()) { + /* Reduce cascading errors. */ + var->constant_value = ir_constant::zero(state, var->type); + } } } if (rhs && !rhs->type->is_error()) { bool temp = var->data.read_only; if (type->qualifier.flags.q.constant) - var->data.read_only = false; + var->data.read_only = false; /* Never emit code to initialize a uniform. */ const glsl_type *initializer_type; if (!type->qualifier.flags.q.uniform) { - do_assignment(initializer_instructions, state, + do_assignment(initializer_instructions, state, NULL, lhs, rhs, &result, true, true, type->get_location()); - initializer_type = result->type; + initializer_type = result->type; } else - initializer_type = rhs->type; + initializer_type = rhs->type; var->constant_initializer = rhs->constant_expression_value(); var->data.has_initializer = true; @@ -3033,7 +3027,7 @@ validate_identifier(const char *identifier, YYLTYPE loc, ir_rvalue * ast_declarator_list::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; const struct glsl_type *decl_type; @@ -3056,39 +3050,33 @@ ast_declarator_list::hir(exec_list *instructions, assert(this->type == NULL); if (state->current_function != NULL) { - _mesa_glsl_error(& loc, state, - "all uses of `invariant' keyword must be at global " - "scope"); + _mesa_glsl_error(& loc, state, + "all uses of `invariant' keyword must be at global " + "scope"); } foreach_list_typed (ast_declaration, decl, link, &this->declarations) { - assert(decl->array_specifier == NULL); - assert(decl->initializer == NULL); - - ir_variable *const earlier = - state->symbols->get_variable(decl->identifier); - if (earlier == NULL) { - _mesa_glsl_error(& loc, state, - "undeclared variable `%s' cannot be marked " - "invariant", decl->identifier); - } else if ((state->stage == MESA_SHADER_VERTEX) - && (earlier->data.mode != ir_var_shader_out)) { - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, vertex shader " - "outputs only", decl->identifier); - } else if ((state->stage == MESA_SHADER_FRAGMENT) - && (earlier->data.mode != ir_var_shader_in)) { - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, fragment shader " - "inputs only", decl->identifier); - } else if (earlier->data.used) { - _mesa_glsl_error(& loc, state, - "variable `%s' may not be redeclared " - "`invariant' after being used", - earlier->name); - } else { - earlier->data.invariant = true; - } + assert(decl->array_specifier == NULL); + assert(decl->initializer == NULL); + + ir_variable *const earlier = + state->symbols->get_variable(decl->identifier); + if (earlier == NULL) { + _mesa_glsl_error(& loc, state, + "undeclared variable `%s' cannot be marked " + "invariant", decl->identifier); + } else if (!is_varying_var(earlier, state->stage)) { + _mesa_glsl_error(&loc, state, + "`%s' cannot be marked invariant; interfaces between " + "shader stages only.", decl->identifier); + } else if (earlier->data.used) { + _mesa_glsl_error(& loc, state, + "variable `%s' may not be redeclared " + "`invariant' after being used", + earlier->name); + } else { + earlier->data.invariant = true; + } } /* Invariant redeclarations do not have r-values. @@ -3185,16 +3173,16 @@ ast_declarator_list::hir(exec_list *instructions, */ if ((decl_type == NULL) || decl_type->is_void()) { - if (type_name != NULL) { - _mesa_glsl_error(& loc, state, - "invalid type `%s' in declaration of `%s'", - type_name, decl->identifier); - } else { - _mesa_glsl_error(& loc, state, - "invalid type in declaration of `%s'", - decl->identifier); - } - continue; + if (type_name != NULL) { + _mesa_glsl_error(& loc, state, + "invalid type `%s' in declaration of `%s'", + type_name, decl->identifier); + } else { + _mesa_glsl_error(& loc, state, + "invalid type in declaration of `%s'", + decl->identifier); + } + continue; } var_type = process_array_type(&loc, decl_type, decl->array_specifier, @@ -3225,7 +3213,7 @@ ast_declarator_list::hir(exec_list *instructions, /* From page 22 (page 28 of the PDF) of the GLSL 1.10 specification; * * "Global variables can only use the qualifiers const, - * attribute, uni form, or varying. Only one may be + * attribute, uniform, or varying. Only one may be * specified. * * Local variables can only use the qualifier const." @@ -3234,95 +3222,86 @@ ast_declarator_list::hir(exec_list *instructions, * any extension that adds the 'layout' keyword. */ if (!state->is_version(130, 300) - && !state->has_explicit_attrib_location() - && !state->has_separate_shader_objects() - && !state->ARB_fragment_coord_conventions_enable) { - if (this->type->qualifier.flags.q.out) { - _mesa_glsl_error(& loc, state, - "`out' qualifier in declaration of `%s' " - "only valid for function parameters in %s", - decl->identifier, state->get_version_string()); - } - if (this->type->qualifier.flags.q.in) { - _mesa_glsl_error(& loc, state, - "`in' qualifier in declaration of `%s' " - "only valid for function parameters in %s", - decl->identifier, state->get_version_string()); - } - /* FINISHME: Test for other invalid qualifiers. */ + && !state->has_explicit_attrib_location() + && !state->has_separate_shader_objects() + && !state->ARB_fragment_coord_conventions_enable) { + if (this->type->qualifier.flags.q.out) { + _mesa_glsl_error(& loc, state, + "`out' qualifier in declaration of `%s' " + "only valid for function parameters in %s", + decl->identifier, state->get_version_string()); + } + if (this->type->qualifier.flags.q.in) { + _mesa_glsl_error(& loc, state, + "`in' qualifier in declaration of `%s' " + "only valid for function parameters in %s", + decl->identifier, state->get_version_string()); + } + /* FINISHME: Test for other invalid qualifiers. */ } apply_type_qualifier_to_variable(& this->type->qualifier, var, state, & loc, false); if (this->type->qualifier.flags.q.invariant) { - if ((state->stage == MESA_SHADER_VERTEX) && - var->data.mode != ir_var_shader_out) { - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, vertex shader " - "outputs only", var->name); - } else if ((state->stage == MESA_SHADER_FRAGMENT) && - var->data.mode != ir_var_shader_in) { - /* FINISHME: Note that this doesn't work for invariant on - * a function signature inval - */ - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, fragment shader " - "inputs only", var->name); - } + if (!is_varying_var(var, state->stage)) { + _mesa_glsl_error(&loc, state, + "`%s' cannot be marked invariant; interfaces between " + "shader stages only", var->name); + } } if (state->current_function != NULL) { - const char *mode = NULL; - const char *extra = ""; - - /* There is no need to check for 'inout' here because the parser will - * only allow that in function parameter lists. - */ - if (this->type->qualifier.flags.q.attribute) { - mode = "attribute"; - } else if (this->type->qualifier.flags.q.uniform) { - mode = "uniform"; - } else if (this->type->qualifier.flags.q.varying) { - mode = "varying"; - } else if (this->type->qualifier.flags.q.in) { - mode = "in"; - extra = " or in function parameter list"; - } else if (this->type->qualifier.flags.q.out) { - mode = "out"; - extra = " or in function parameter list"; - } - - if (mode) { - _mesa_glsl_error(& loc, state, - "%s variable `%s' must be declared at " - "global scope%s", - mode, var->name, extra); - } + const char *mode = NULL; + const char *extra = ""; + + /* There is no need to check for 'inout' here because the parser will + * only allow that in function parameter lists. + */ + if (this->type->qualifier.flags.q.attribute) { + mode = "attribute"; + } else if (this->type->qualifier.flags.q.uniform) { + mode = "uniform"; + } else if (this->type->qualifier.flags.q.varying) { + mode = "varying"; + } else if (this->type->qualifier.flags.q.in) { + mode = "in"; + extra = " or in function parameter list"; + } else if (this->type->qualifier.flags.q.out) { + mode = "out"; + extra = " or in function parameter list"; + } + + if (mode) { + _mesa_glsl_error(& loc, state, + "%s variable `%s' must be declared at " + "global scope%s", + mode, var->name, extra); + } } else if (var->data.mode == ir_var_shader_in) { var->data.read_only = true; - if (state->stage == MESA_SHADER_VERTEX) { - bool error_emitted = false; - - /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec: - * - * "Vertex shader inputs can only be float, floating-point - * vectors, matrices, signed and unsigned integers and integer - * vectors. Vertex shader inputs can also form arrays of these - * types, but not structures." - * - * From page 31 (page 27 of the PDF) of the GLSL 1.30 spec: - * - * "Vertex shader inputs can only be float, floating-point - * vectors, matrices, signed and unsigned integers and integer - * vectors. They cannot be arrays or structures." - * - * From page 23 (page 29 of the PDF) of the GLSL 1.20 spec: - * - * "The attribute qualifier can be used only with float, - * floating-point vectors, and matrices. Attribute variables - * cannot be declared as arrays or structures." + if (state->stage == MESA_SHADER_VERTEX) { + bool error_emitted = false; + + /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec: + * + * "Vertex shader inputs can only be float, floating-point + * vectors, matrices, signed and unsigned integers and integer + * vectors. Vertex shader inputs can also form arrays of these + * types, but not structures." + * + * From page 31 (page 27 of the PDF) of the GLSL 1.30 spec: + * + * "Vertex shader inputs can only be float, floating-point + * vectors, matrices, signed and unsigned integers and integer + * vectors. They cannot be arrays or structures." + * + * From page 23 (page 29 of the PDF) of the GLSL 1.20 spec: + * + * "The attribute qualifier can be used only with float, + * floating-point vectors, and matrices. Attribute variables + * cannot be declared as arrays or structures." * * From page 33 (page 39 of the PDF) of the GLSL ES 3.00 spec: * @@ -3330,35 +3309,35 @@ ast_declarator_list::hir(exec_list *instructions, * vectors, matrices, signed and unsigned integers and integer * vectors. Vertex shader inputs cannot be arrays or * structures." - */ + */ const glsl_type *check_type = var->type; while (check_type->is_array()) check_type = check_type->element_type(); - switch (check_type->base_type) { - case GLSL_TYPE_FLOAT: - break; - case GLSL_TYPE_UINT: - case GLSL_TYPE_INT: - if (state->is_version(120, 300)) - break; - /* FALLTHROUGH */ - default: - _mesa_glsl_error(& loc, state, - "vertex shader input / attribute cannot have " - "type %s`%s'", - var->type->is_array() ? "array of " : "", - check_type->name); - error_emitted = true; - } - - if (!error_emitted && var->type->is_array() && + switch (check_type->base_type) { + case GLSL_TYPE_FLOAT: + break; + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + if (state->is_version(120, 300)) + break; + /* FALLTHROUGH */ + default: + _mesa_glsl_error(& loc, state, + "vertex shader input / attribute cannot have " + "type %s`%s'", + var->type->is_array() ? "array of " : "", + check_type->name); + error_emitted = true; + } + + if (!error_emitted && var->type->is_array() && !state->check_version(150, 0, &loc, "vertex shader input / attribute " "cannot have array type")) { - error_emitted = true; - } - } else if (state->stage == MESA_SHADER_GEOMETRY) { + error_emitted = true; + } + } else if (state->stage == MESA_SHADER_GEOMETRY) { /* From section 4.3.4 (Inputs) of the GLSL 1.50 spec: * * Geometry shader input variables get the per-vertex values @@ -3607,9 +3586,9 @@ ast_declarator_list::hir(exec_list *instructions, } if (decl->initializer != NULL) { - result = process_initializer((earlier == NULL) ? var : earlier, - decl, this->type, - &initializer_instructions, state); + result = process_initializer((earlier == NULL) ? var : earlier, + decl, this->type, + &initializer_instructions, state); } /* From page 23 (page 29 of the PDF) of the GLSL 1.10 spec: @@ -3619,14 +3598,14 @@ ast_declarator_list::hir(exec_list *instructions, * declared." */ if (this->type->qualifier.flags.q.constant && decl->initializer == NULL) { - _mesa_glsl_error(& loc, state, - "const declaration of `%s' must be initialized", - decl->identifier); + _mesa_glsl_error(& loc, state, + "const declaration of `%s' must be initialized", + decl->identifier); } if (state->es_shader) { - const glsl_type *const t = (earlier == NULL) - ? var->type : earlier->type; + const glsl_type *const t = (earlier == NULL) + ? var->type : earlier->type; if (t->is_unsized_array()) /* Section 10.17 of the GLSL ES 1.00 specification states that @@ -3658,32 +3637,32 @@ ast_declarator_list::hir(exec_list *instructions, if (earlier == NULL) { validate_identifier(decl->identifier, loc, state); - /* Add the variable to the symbol table. Note that the initializer's - * IR was already processed earlier (though it hasn't been emitted - * yet), without the variable in scope. - * - * This differs from most C-like languages, but it follows the GLSL - * specification. From page 28 (page 34 of the PDF) of the GLSL 1.50 - * spec: - * - * "Within a declaration, the scope of a name starts immediately - * after the initializer if present or immediately after the name - * being declared if not." - */ - if (!state->symbols->add_variable(var)) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, "name `%s' already taken in the " - "current scope", decl->identifier); - continue; - } - - /* Push the variable declaration to the top. It means that all the - * variable declarations will appear in a funny last-to-first order, - * but otherwise we run into trouble if a function is prototyped, a - * global var is decled, then the function is defined with usage of - * the global var. See glslparsertest's CorrectModule.frag. - */ - instructions->push_head(var); + /* Add the variable to the symbol table. Note that the initializer's + * IR was already processed earlier (though it hasn't been emitted + * yet), without the variable in scope. + * + * This differs from most C-like languages, but it follows the GLSL + * specification. From page 28 (page 34 of the PDF) of the GLSL 1.50 + * spec: + * + * "Within a declaration, the scope of a name starts immediately + * after the initializer if present or immediately after the name + * being declared if not." + */ + if (!state->symbols->add_variable(var)) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, "name `%s' already taken in the " + "current scope", decl->identifier); + continue; + } + + /* Push the variable declaration to the top. It means that all the + * variable declarations will appear in a funny last-to-first order, + * but otherwise we run into trouble if a function is prototyped, a + * global var is decled, then the function is defined with usage of + * the global var. See glslparsertest's CorrectModule.frag. + */ + instructions->push_head(var); } instructions->append_list(&initializer_instructions); @@ -3705,7 +3684,7 @@ ast_declarator_list::hir(exec_list *instructions, ir_rvalue * ast_parameter_declarator::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; const struct glsl_type *type; @@ -3716,13 +3695,13 @@ ast_parameter_declarator::hir(exec_list *instructions, if (type == NULL) { if (name != NULL) { - _mesa_glsl_error(& loc, state, - "invalid type `%s' in declaration of `%s'", - name, this->identifier); + _mesa_glsl_error(& loc, state, + "invalid type `%s' in declaration of `%s'", + name, this->identifier); } else { - _mesa_glsl_error(& loc, state, - "invalid type in declaration of `%s'", - this->identifier); + _mesa_glsl_error(& loc, state, + "invalid type in declaration of `%s'", + this->identifier); } type = glsl_type::error_type; @@ -3742,8 +3721,8 @@ ast_parameter_declarator::hir(exec_list *instructions, */ if (type->is_void()) { if (this->identifier != NULL) - _mesa_glsl_error(& loc, state, - "named parameter cannot have type `void'"); + _mesa_glsl_error(& loc, state, + "named parameter cannot have type `void'"); is_void = true; return NULL; @@ -3761,7 +3740,7 @@ ast_parameter_declarator::hir(exec_list *instructions, if (!type->is_error() && type->is_unsized_array()) { _mesa_glsl_error(&loc, state, "arrays passed as parameters must have " - "a declared size"); + "a declared size"); type = glsl_type::error_type; } @@ -3773,7 +3752,7 @@ ast_parameter_declarator::hir(exec_list *instructions, * for function parameters the default mode is 'in'. */ apply_type_qualifier_to_variable(& this->type->qualifier, var, state, & loc, - true); + true); /* From section 4.1.7 of the GLSL 4.40 spec: * @@ -3819,9 +3798,9 @@ ast_parameter_declarator::hir(exec_list *instructions, void ast_parameter_declarator::parameters_to_hir(exec_list *ast_parameters, - bool formal, - exec_list *ir_parameters, - _mesa_glsl_parse_state *state) + bool formal, + exec_list *ir_parameters, + _mesa_glsl_parse_state *state) { ast_parameter_declarator *void_param = NULL; unsigned count = 0; @@ -3831,7 +3810,7 @@ ast_parameter_declarator::parameters_to_hir(exec_list *ast_parameters, param->hir(ir_parameters, state); if (param->is_void) - void_param = param; + void_param = param; count++; } @@ -3840,7 +3819,7 @@ ast_parameter_declarator::parameters_to_hir(exec_list *ast_parameters, YYLTYPE loc = void_param->get_location(); _mesa_glsl_error(& loc, state, - "`void' parameter must be only parameter"); + "`void' parameter must be only parameter"); } } @@ -3861,7 +3840,7 @@ emit_function(_mesa_glsl_parse_state *state, ir_function *f) ir_rvalue * ast_function::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; ir_function *f = NULL; @@ -3903,8 +3882,8 @@ ast_function::hir(exec_list *instructions, * signatures for functions with the same name. */ ast_parameter_declarator::parameters_to_hir(& this->parameters, - is_definition, - & hir_parameters, state); + is_definition, + & hir_parameters, state); const char *return_type_name; const glsl_type *return_type = @@ -3913,8 +3892,8 @@ ast_function::hir(exec_list *instructions, if (!return_type) { YYLTYPE loc = this->get_location(); _mesa_glsl_error(&loc, state, - "function `%s' has undeclared return type `%s'", - name, return_type_name); + "function `%s' has undeclared return type `%s'", + name, return_type_name); return_type = glsl_type::error_type; } @@ -3924,7 +3903,7 @@ ast_function::hir(exec_list *instructions, if (this->return_type->has_qualifiers()) { YYLTYPE loc = this->get_location(); _mesa_glsl_error(& loc, state, - "function `%s' return type has qualifiers", name); + "function `%s' return type has qualifiers", name); } /* Section 6.1 (Function Definitions) of the GLSL 1.20 spec says: @@ -3935,8 +3914,8 @@ ast_function::hir(exec_list *instructions, if (return_type->is_unsized_array()) { YYLTYPE loc = this->get_location(); _mesa_glsl_error(& loc, state, - "function `%s' return type array must be explicitly " - "sized", name); + "function `%s' return type array must be explicitly " + "sized", name); } /* From section 4.1.7 of the GLSL 4.40 spec: @@ -3959,20 +3938,20 @@ ast_function::hir(exec_list *instructions, if (f != NULL && (state->es_shader || f->has_user_signature())) { sig = f->exact_matching_signature(state, &hir_parameters); if (sig != NULL) { - const char *badvar = sig->qualifiers_match(&hir_parameters); - if (badvar != NULL) { - YYLTYPE loc = this->get_location(); + const char *badvar = sig->qualifiers_match(&hir_parameters); + if (badvar != NULL) { + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, "function `%s' parameter `%s' " - "qualifiers don't match prototype", name, badvar); - } + _mesa_glsl_error(&loc, state, "function `%s' parameter `%s' " + "qualifiers don't match prototype", name, badvar); + } - if (sig->return_type != return_type) { - YYLTYPE loc = this->get_location(); + if (sig->return_type != return_type) { + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, "function `%s' return type doesn't " - "match prototype", name); - } + _mesa_glsl_error(&loc, state, "function `%s' return type doesn't " + "match prototype", name); + } if (sig->is_defined) { if (is_definition) { @@ -3985,17 +3964,17 @@ ast_function::hir(exec_list *instructions, */ return NULL; } - } + } } } else { f = new(ctx) ir_function(name); if (!state->symbols->add_function(f)) { - /* This function name shadows a non-function use of the same name. */ - YYLTYPE loc = this->get_location(); + /* This function name shadows a non-function use of the same name. */ + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, "function name `%s' conflicts with " - "non-function", name); - return NULL; + _mesa_glsl_error(&loc, state, "function name `%s' conflicts with " + "non-function", name); + return NULL; } emit_function(state, f); @@ -4004,15 +3983,15 @@ ast_function::hir(exec_list *instructions, /* Verify the return type of main() */ if (strcmp(name, "main") == 0) { if (! return_type->is_void()) { - YYLTYPE loc = this->get_location(); + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, "main() must return void"); + _mesa_glsl_error(& loc, state, "main() must return void"); } if (!hir_parameters.is_empty()) { - YYLTYPE loc = this->get_location(); + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, "main() must not take any parameters"); + _mesa_glsl_error(& loc, state, "main() must not take any parameters"); } } @@ -4034,7 +4013,7 @@ ast_function::hir(exec_list *instructions, ir_rvalue * ast_function_definition::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { prototype->is_definition = true; prototype->hir(instructions, state); @@ -4060,11 +4039,11 @@ ast_function_definition::hir(exec_list *instructions, * the same name. */ if (state->symbols->name_declared_this_scope(var->name)) { - YYLTYPE loc = this->get_location(); + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, "parameter `%s' redeclared", var->name); + _mesa_glsl_error(& loc, state, "parameter `%s' redeclared", var->name); } else { - state->symbols->add_variable(var); + state->symbols->add_variable(var); } } @@ -4080,9 +4059,9 @@ ast_function_definition::hir(exec_list *instructions, if (!signature->return_type->is_void() && !state->found_return) { YYLTYPE loc = this->get_location(); _mesa_glsl_error(& loc, state, "function `%s' has non-void return type " - "%s, but no return statement", - signature->function_name(), - signature->return_type->name); + "%s, but no return statement", + signature->function_name(), + signature->return_type->name); } /* Function definitions do not have r-values. @@ -4093,7 +4072,7 @@ ast_function_definition::hir(exec_list *instructions, ir_rvalue * ast_jump_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; @@ -4103,23 +4082,23 @@ ast_jump_statement::hir(exec_list *instructions, assert(state->current_function); if (opt_return_value) { - ir_rvalue *ret = opt_return_value->hir(instructions, state); - - /* The value of the return type can be NULL if the shader says - * 'return foo();' and foo() is a function that returns void. - * - * NOTE: The GLSL spec doesn't say that this is an error. The type - * of the return value is void. If the return type of the function is - * also void, then this should compile without error. Seriously. - */ - const glsl_type *const ret_type = - (ret == NULL) ? glsl_type::void_type : ret->type; + ir_rvalue *ret = opt_return_value->hir(instructions, state); + + /* The value of the return type can be NULL if the shader says + * 'return foo();' and foo() is a function that returns void. + * + * NOTE: The GLSL spec doesn't say that this is an error. The type + * of the return value is void. If the return type of the function is + * also void, then this should compile without error. Seriously. + */ + const glsl_type *const ret_type = + (ret == NULL) ? glsl_type::void_type : ret->type; /* Implicit conversions are not allowed for return values prior to * ARB_shading_language_420pack. */ if (state->current_function->return_type != ret_type) { - YYLTYPE loc = this->get_location(); + YYLTYPE loc = this->get_location(); if (state->ARB_shading_language_420pack_enable) { if (!apply_implicit_conversion(state->current_function->return_type, @@ -4156,18 +4135,18 @@ ast_jump_statement::hir(exec_list *instructions, "return argument"); } - inst = new(ctx) ir_return(ret); + inst = new(ctx) ir_return(ret); } else { - if (state->current_function->return_type->base_type != - GLSL_TYPE_VOID) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, - "`return' with no value, in function %s returning " - "non-void", - state->current_function->function_name()); - } - inst = new(ctx) ir_return; + if (state->current_function->return_type->base_type != + GLSL_TYPE_VOID) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`return' with no value, in function %s returning " + "non-void", + state->current_function->function_name()); + } + inst = new(ctx) ir_return; } state->found_return = true; @@ -4177,10 +4156,10 @@ ast_jump_statement::hir(exec_list *instructions, case ast_discard: if (state->stage != MESA_SHADER_FRAGMENT) { - YYLTYPE loc = this->get_location(); + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, - "`discard' may only appear in a fragment shader"); + _mesa_glsl_error(& loc, state, + "`discard' may only appear in a fragment shader"); } instructions->push_tail(new(ctx) ir_discard); break; @@ -4188,26 +4167,25 @@ ast_jump_statement::hir(exec_list *instructions, case ast_break: case ast_continue: if (mode == ast_continue && - state->loop_nesting_ast == NULL) { - YYLTYPE loc = this->get_location(); + state->loop_nesting_ast == NULL) { + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, - "continue may only appear in a loop"); + _mesa_glsl_error(& loc, state, "continue may only appear in a loop"); } else if (mode == ast_break && - state->loop_nesting_ast == NULL && - state->switch_state.switch_nesting_ast == NULL) { - YYLTYPE loc = this->get_location(); + state->loop_nesting_ast == NULL && + state->switch_state.switch_nesting_ast == NULL) { + YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, - "break may only appear in a loop or a switch"); + _mesa_glsl_error(& loc, state, + "break may only appear in a loop or a switch"); } else { - /* For a loop, inline the for loop expression again, since we don't - * know where near the end of the loop body the normal copy of it is - * going to be placed. Same goes for the condition for a do-while - * loop. - */ - if (state->loop_nesting_ast != NULL && - mode == ast_continue) { + /* For a loop, inline the for loop expression again, since we don't + * know where near the end of the loop body the normal copy of it is + * going to be placed. Same goes for the condition for a do-while + * loop. + */ + if (state->loop_nesting_ast != NULL && + mode == ast_continue) { if (state->loop_nesting_ast->rest_expression) { state->loop_nesting_ast->rest_expression->hir(instructions, state); @@ -4218,26 +4196,26 @@ ast_jump_statement::hir(exec_list *instructions, } } - if (state->switch_state.is_switch_innermost && - mode == ast_break) { - /* Force break out of switch by setting is_break switch state. - */ - ir_variable *const is_break_var = state->switch_state.is_break_var; - ir_dereference_variable *const deref_is_break_var = - new(ctx) ir_dereference_variable(is_break_var); - ir_constant *const true_val = new(ctx) ir_constant(true); - ir_assignment *const set_break_var = - new(ctx) ir_assignment(deref_is_break_var, true_val); + if (state->switch_state.is_switch_innermost && + mode == ast_break) { + /* Force break out of switch by setting is_break switch state. + */ + ir_variable *const is_break_var = state->switch_state.is_break_var; + ir_dereference_variable *const deref_is_break_var = + new(ctx) ir_dereference_variable(is_break_var); + ir_constant *const true_val = new(ctx) ir_constant(true); + ir_assignment *const set_break_var = + new(ctx) ir_assignment(deref_is_break_var, true_val); - instructions->push_tail(set_break_var); - } - else { - ir_loop_jump *const jump = - new(ctx) ir_loop_jump((mode == ast_break) - ? ir_loop_jump::jump_break - : ir_loop_jump::jump_continue); - instructions->push_tail(jump); - } + instructions->push_tail(set_break_var); + } + else { + ir_loop_jump *const jump = + new(ctx) ir_loop_jump((mode == ast_break) + ? ir_loop_jump::jump_break + : ir_loop_jump::jump_continue); + instructions->push_tail(jump); + } } break; @@ -4251,7 +4229,7 @@ ast_jump_statement::hir(exec_list *instructions, ir_rvalue * ast_selection_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; @@ -4270,7 +4248,7 @@ ast_selection_statement::hir(exec_list *instructions, YYLTYPE loc = this->condition->get_location(); _mesa_glsl_error(& loc, state, "if-statement condition must be scalar " - "boolean"); + "boolean"); } ir_if *const stmt = new(ctx) ir_if(condition); @@ -4297,7 +4275,7 @@ ast_selection_statement::hir(exec_list *instructions, ir_rvalue * ast_switch_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; @@ -4314,9 +4292,9 @@ ast_switch_statement::hir(exec_list *instructions, YYLTYPE loc = this->test_expression->get_location(); _mesa_glsl_error(& loc, - state, - "switch-statement expression must be scalar " - "integer"); + state, + "switch-statement expression must be scalar " + "integer"); } /* Track the switch-statement nesting in a stack-like manner. @@ -4334,27 +4312,28 @@ ast_switch_statement::hir(exec_list *instructions, ir_rvalue *const is_fallthru_val = new (ctx) ir_constant(false); state->switch_state.is_fallthru_var = new(ctx) ir_variable(glsl_type::bool_type, - "switch_is_fallthru_tmp", - ir_var_temporary); + "switch_is_fallthru_tmp", + ir_var_temporary); instructions->push_tail(state->switch_state.is_fallthru_var); ir_dereference_variable *deref_is_fallthru_var = new(ctx) ir_dereference_variable(state->switch_state.is_fallthru_var); instructions->push_tail(new(ctx) ir_assignment(deref_is_fallthru_var, - is_fallthru_val)); + is_fallthru_val)); /* Initalize is_break state to false. */ ir_rvalue *const is_break_val = new (ctx) ir_constant(false); - state->switch_state.is_break_var = new(ctx) ir_variable(glsl_type::bool_type, - "switch_is_break_tmp", - ir_var_temporary); + state->switch_state.is_break_var = + new(ctx) ir_variable(glsl_type::bool_type, + "switch_is_break_tmp", + ir_var_temporary); instructions->push_tail(state->switch_state.is_break_var); ir_dereference_variable *deref_is_break_var = new(ctx) ir_dereference_variable(state->switch_state.is_break_var); instructions->push_tail(new(ctx) ir_assignment(deref_is_break_var, - is_break_val)); + is_break_val)); /* Cache test expression. */ @@ -4375,7 +4354,7 @@ ast_switch_statement::hir(exec_list *instructions, void ast_switch_statement::test_to_hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; @@ -4385,8 +4364,8 @@ ast_switch_statement::test_to_hir(exec_list *instructions, state); state->switch_state.test_var = new(ctx) ir_variable(test_val->type, - "switch_test_tmp", - ir_var_temporary); + "switch_test_tmp", + ir_var_temporary); ir_dereference_variable *deref_test_var = new(ctx) ir_dereference_variable(state->switch_state.test_var); @@ -4397,7 +4376,7 @@ ast_switch_statement::test_to_hir(exec_list *instructions, ir_rvalue * ast_switch_body::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { if (stmts != NULL) stmts->hir(instructions, state); @@ -4408,7 +4387,7 @@ ast_switch_body::hir(exec_list *instructions, ir_rvalue * ast_case_statement_list::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { foreach_list_typed (ast_case_statement, case_stmt, link, & this->cases) case_stmt->hir(instructions, state); @@ -4419,7 +4398,7 @@ ast_case_statement_list::hir(exec_list *instructions, ir_rvalue * ast_case_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { labels->hir(instructions, state); @@ -4431,8 +4410,8 @@ ast_case_statement::hir(exec_list *instructions, new(state) ir_dereference_variable(state->switch_state.is_break_var); ir_assignment *const reset_fallthru_on_break = new(state) ir_assignment(deref_is_fallthru_var, - false_val, - deref_is_break_var); + false_val, + deref_is_break_var); instructions->push_tail(reset_fallthru_on_break); /* Guard case statements depending on fallthru state. */ @@ -4452,7 +4431,7 @@ ast_case_statement::hir(exec_list *instructions, ir_rvalue * ast_case_label_list::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { foreach_list_typed (ast_case_label, label, link, & this->labels) label->hir(instructions, state); @@ -4463,7 +4442,7 @@ ast_case_label_list::hir(exec_list *instructions, ir_rvalue * ast_case_label::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; @@ -4481,62 +4460,57 @@ ast_case_label::hir(exec_list *instructions, ir_constant *label_const = label_rval->constant_expression_value(); if (!label_const) { - YYLTYPE loc = this->test_value->get_location(); + YYLTYPE loc = this->test_value->get_location(); - _mesa_glsl_error(& loc, state, - "switch statement case label must be a " - "constant expression"); + _mesa_glsl_error(& loc, state, + "switch statement case label must be a " + "constant expression"); - /* Stuff a dummy value in to allow processing to continue. */ - label_const = new(ctx) ir_constant(0); + /* Stuff a dummy value in to allow processing to continue. */ + label_const = new(ctx) ir_constant(0); } else { - ast_expression *previous_label = (ast_expression *) - hash_table_find(state->switch_state.labels_ht, - (void *)(uintptr_t)label_const->value.u[0]); - - if (previous_label) { - YYLTYPE loc = this->test_value->get_location(); - _mesa_glsl_error(& loc, state, - "duplicate case value"); - - loc = previous_label->get_location(); - _mesa_glsl_error(& loc, state, - "this is the previous case label"); - } else { - hash_table_insert(state->switch_state.labels_ht, - this->test_value, - (void *)(uintptr_t)label_const->value.u[0]); - } + ast_expression *previous_label = (ast_expression *) + hash_table_find(state->switch_state.labels_ht, + (void *)(uintptr_t)label_const->value.u[0]); + + if (previous_label) { + YYLTYPE loc = this->test_value->get_location(); + _mesa_glsl_error(& loc, state, "duplicate case value"); + + loc = previous_label->get_location(); + _mesa_glsl_error(& loc, state, "this is the previous case label"); + } else { + hash_table_insert(state->switch_state.labels_ht, + this->test_value, + (void *)(uintptr_t)label_const->value.u[0]); + } } ir_dereference_variable *deref_test_var = - new(ctx) ir_dereference_variable(state->switch_state.test_var); + new(ctx) ir_dereference_variable(state->switch_state.test_var); ir_rvalue *const test_cond = new(ctx) ir_expression(ir_binop_all_equal, - label_const, - deref_test_var); + label_const, + deref_test_var); ir_assignment *set_fallthru_on_test = - new(ctx) ir_assignment(deref_fallthru_var, - true_val, - test_cond); + new(ctx) ir_assignment(deref_fallthru_var, true_val, test_cond); instructions->push_tail(set_fallthru_on_test); } else { /* default case */ if (state->switch_state.previous_default) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, - "multiple default labels in one switch"); + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(& loc, state, + "multiple default labels in one switch"); - loc = state->switch_state.previous_default->get_location(); - _mesa_glsl_error(& loc, state, - "this is the first default label"); + loc = state->switch_state.previous_default->get_location(); + _mesa_glsl_error(& loc, state, "this is the first default label"); } state->switch_state.previous_default = this; /* Set falltrhu state. */ ir_assignment *set_fallthru = - new(ctx) ir_assignment(deref_fallthru_var, true_val); + new(ctx) ir_assignment(deref_fallthru_var, true_val); instructions->push_tail(set_fallthru); } @@ -4547,34 +4521,34 @@ ast_case_label::hir(exec_list *instructions, void ast_iteration_statement::condition_to_hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; if (condition != NULL) { ir_rvalue *const cond = - condition->hir(instructions, state); + condition->hir(instructions, state); if ((cond == NULL) - || !cond->type->is_boolean() || !cond->type->is_scalar()) { - YYLTYPE loc = condition->get_location(); + || !cond->type->is_boolean() || !cond->type->is_scalar()) { + YYLTYPE loc = condition->get_location(); - _mesa_glsl_error(& loc, state, - "loop condition must be scalar boolean"); + _mesa_glsl_error(& loc, state, + "loop condition must be scalar boolean"); } else { - /* As the first code in the loop body, generate a block that looks - * like 'if (!condition) break;' as the loop termination condition. - */ - ir_rvalue *const not_cond = - new(ctx) ir_expression(ir_unop_logic_not, cond); + /* As the first code in the loop body, generate a block that looks + * like 'if (!condition) break;' as the loop termination condition. + */ + ir_rvalue *const not_cond = + new(ctx) ir_expression(ir_unop_logic_not, cond); - ir_if *const if_stmt = new(ctx) ir_if(not_cond); + ir_if *const if_stmt = new(ctx) ir_if(not_cond); - ir_jump *const break_stmt = - new(ctx) ir_loop_jump(ir_loop_jump::jump_break); + ir_jump *const break_stmt = + new(ctx) ir_loop_jump(ir_loop_jump::jump_break); - if_stmt->then_instructions.push_tail(break_stmt); - instructions->push_tail(if_stmt); + if_stmt->then_instructions.push_tail(break_stmt); + instructions->push_tail(if_stmt); } } } @@ -4582,7 +4556,7 @@ ast_iteration_statement::condition_to_hir(exec_list *instructions, ir_rvalue * ast_iteration_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { void *ctx = state; @@ -4674,7 +4648,7 @@ is_valid_default_precision_type(const struct glsl_type *const type) ir_rvalue * ast_type_specifier::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { if (this->default_precision == ast_precision_none && this->structure == NULL) return NULL; @@ -4796,10 +4770,10 @@ ast_type_specifier::hir(exec_list *instructions, */ unsigned ast_process_structure_or_interface_block(exec_list *instructions, - struct _mesa_glsl_parse_state *state, - exec_list *declarations, - YYLTYPE &loc, - glsl_struct_field **fields_ret, + struct _mesa_glsl_parse_state *state, + exec_list *declarations, + YYLTYPE &loc, + glsl_struct_field **fields_ret, bool is_interface, bool block_row_major, bool allow_reserved_names, @@ -4814,7 +4788,7 @@ ast_process_structure_or_interface_block(exec_list *instructions, */ foreach_list_typed (ast_declarator_list, decl_list, link, declarations) { foreach_list_const (decl_ptr, & decl_list->declarations) { - decl_count++; + decl_count++; } } @@ -4824,7 +4798,7 @@ ast_process_structure_or_interface_block(exec_list *instructions, * other structure definitions or in interface blocks are processed. */ glsl_struct_field *const fields = ralloc_array(state, glsl_struct_field, - decl_count); + decl_count); unsigned i = 0; foreach_list_typed (ast_declarator_list, decl_list, link, declarations) { @@ -4836,15 +4810,15 @@ ast_process_structure_or_interface_block(exec_list *instructions, * embedded structure definitions have been removed from the language. */ if (state->es_shader && decl_list->type->specifier->structure != NULL) { - _mesa_glsl_error(&loc, state, "embedded structure definitions are " - "not allowed in GLSL ES 1.00"); + _mesa_glsl_error(&loc, state, "embedded structure definitions are " + "not allowed in GLSL ES 1.00"); } const glsl_type *decl_type = decl_list->type->glsl_type(& type_name, state); foreach_list_typed (ast_declaration, decl, link, - &decl_list->declarations) { + &decl_list->declarations) { if (!allow_reserved_names) validate_identifier(decl->identifier, loc, state); @@ -4899,10 +4873,10 @@ ast_process_structure_or_interface_block(exec_list *instructions, "members"); } - field_type = process_array_type(&loc, decl_type, + field_type = process_array_type(&loc, decl_type, decl->array_specifier, state); fields[i].type = field_type; - fields[i].name = decl->identifier; + fields[i].name = decl->identifier; fields[i].location = -1; fields[i].interpolation = interpret_interpolation_qualifier(qual, var_mode, state, &loc); @@ -4933,7 +4907,7 @@ ast_process_structure_or_interface_block(exec_list *instructions, fields[i].row_major = false; } - i++; + i++; } } @@ -4946,7 +4920,7 @@ ast_process_structure_or_interface_block(exec_list *instructions, ir_rvalue * ast_struct_specifier::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { YYLTYPE loc = this->get_location(); @@ -4980,10 +4954,10 @@ ast_struct_specifier::hir(exec_list *instructions, glsl_struct_field *fields; unsigned decl_count = ast_process_structure_or_interface_block(instructions, - state, - &this->declarations, - loc, - &fields, + state, + &this->declarations, + loc, + &fields, false, false, false /* allow_reserved_names */, @@ -4998,12 +4972,12 @@ ast_struct_specifier::hir(exec_list *instructions, _mesa_glsl_error(& loc, state, "struct `%s' previously defined", name); } else { const glsl_type **s = reralloc(state, state->user_structures, - const glsl_type *, - state->num_user_structures + 1); + const glsl_type *, + state->num_user_structures + 1); if (s != NULL) { - s[state->num_user_structures] = t; - state->user_structures = s; - state->num_user_structures++; + s[state->num_user_structures] = t; + state->user_structures = s; + state->num_user_structures++; } } @@ -5049,7 +5023,7 @@ private: ir_rvalue * ast_interface_block::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) + struct _mesa_glsl_parse_state *state) { YYLTYPE loc = this->get_location(); @@ -5560,7 +5534,7 @@ ast_cs_input_layout::hir(exec_list *instructions, static void detect_conflicting_assignments(struct _mesa_glsl_parse_state *state, - exec_list *instructions) + exec_list *instructions) { bool gl_FragColor_assigned = false; bool gl_FragData_assigned = false; @@ -5575,18 +5549,18 @@ detect_conflicting_assignments(struct _mesa_glsl_parse_state *state, ir_variable *var = ((ir_instruction *)node)->as_variable(); if (!var || !var->data.assigned) - continue; + continue; if (strcmp(var->name, "gl_FragColor") == 0) - gl_FragColor_assigned = true; + gl_FragColor_assigned = true; else if (strcmp(var->name, "gl_FragData") == 0) - gl_FragData_assigned = true; + gl_FragData_assigned = true; else if (strncmp(var->name, "gl_", 3) != 0) { - if (state->stage == MESA_SHADER_FRAGMENT && - var->data.mode == ir_var_shader_out) { - user_defined_fs_output_assigned = true; - user_defined_fs_output = var; - } + if (state->stage == MESA_SHADER_FRAGMENT && + var->data.mode == ir_var_shader_out) { + user_defined_fs_output_assigned = true; + user_defined_fs_output = var; + } } } @@ -5607,15 +5581,15 @@ detect_conflicting_assignments(struct _mesa_glsl_parse_state *state, */ if (gl_FragColor_assigned && gl_FragData_assigned) { _mesa_glsl_error(&loc, state, "fragment shader writes to both " - "`gl_FragColor' and `gl_FragData'"); + "`gl_FragColor' and `gl_FragData'"); } else if (gl_FragColor_assigned && user_defined_fs_output_assigned) { _mesa_glsl_error(&loc, state, "fragment shader writes to both " - "`gl_FragColor' and `%s'", - user_defined_fs_output->name); + "`gl_FragColor' and `%s'", + user_defined_fs_output->name); } else if (gl_FragData_assigned && user_defined_fs_output_assigned) { _mesa_glsl_error(&loc, state, "fragment shader writes to both " - "`gl_FragData' and `%s'", - user_defined_fs_output->name); + "`gl_FragData' and `%s'", + user_defined_fs_output->name); } } |