+ } else if (state->stage == MESA_SHADER_FRAGMENT) {
+ /* From section 4.3.4 (Input Variables) of the GLSL ES 3.10 spec:
+ *
+ * It is a compile-time error to declare a fragment shader
+ * input with, or that contains, any of the following types:
+ *
+ * * A boolean type
+ * * An opaque type
+ * * An array of arrays
+ * * An array of structures
+ * * A structure containing an array
+ * * A structure containing a structure
+ */
+ if (state->es_shader) {
+ const glsl_type *check_type = var->type->without_array();
+ if (check_type->is_boolean() ||
+ check_type->contains_opaque()) {
+ _mesa_glsl_error(&loc, state,
+ "fragment shader input cannot have type %s",
+ check_type->name);
+ }
+ if (var->type->is_array() &&
+ var->type->fields.array->is_array()) {
+ _mesa_glsl_error(&loc, state,
+ "%s shader output "
+ "cannot have an array of arrays",
+ _mesa_shader_stage_to_string(state->stage));
+ }
+ if (var->type->is_array() &&
+ var->type->fields.array->is_record()) {
+ _mesa_glsl_error(&loc, state,
+ "fragment shader input "
+ "cannot have an array of structs");
+ }
+ if (var->type->is_record()) {
+ for (unsigned i = 0; i < var->type->length; i++) {
+ if (var->type->fields.structure[i].type->is_array() ||
+ var->type->fields.structure[i].type->is_record())
+ _mesa_glsl_error(&loc, state,
+ "fragement shader input cannot have "
+ "a struct that contains an "
+ "array or struct");
+ }
+ }
+ }
+ } else if (state->stage == MESA_SHADER_TESS_CTRL ||
+ state->stage == MESA_SHADER_TESS_EVAL) {
+ handle_tess_shader_input_decl(state, loc, var);
+ }
+ } else if (var->data.mode == ir_var_shader_out) {
+ const glsl_type *check_type = var->type->without_array();
+
+ /* From section 4.3.6 (Output variables) of the GLSL 4.40 spec:
+ *
+ * It is a compile-time error to declare a vertex, tessellation
+ * evaluation, tessellation control, or geometry shader output
+ * that contains any of the following:
+ *
+ * * A Boolean type (bool, bvec2 ...)
+ * * An opaque type
+ */
+ if (check_type->is_boolean() || check_type->contains_opaque())
+ _mesa_glsl_error(&loc, state,
+ "%s shader output cannot have type %s",
+ _mesa_shader_stage_to_string(state->stage),
+ check_type->name);
+
+ /* From section 4.3.6 (Output variables) of the GLSL 4.40 spec:
+ *
+ * It is a compile-time error to declare a fragment shader output
+ * that contains any of the following:
+ *
+ * * A Boolean type (bool, bvec2 ...)
+ * * A double-precision scalar or vector (double, dvec2 ...)
+ * * An opaque type
+ * * Any matrix type
+ * * A structure
+ */
+ if (state->stage == MESA_SHADER_FRAGMENT) {
+ if (check_type->is_record() || check_type->is_matrix())
+ _mesa_glsl_error(&loc, state,
+ "fragment shader output "
+ "cannot have struct or matrix type");
+ switch (check_type->base_type) {
+ case GLSL_TYPE_UINT:
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_FLOAT:
+ break;
+ default:
+ _mesa_glsl_error(&loc, state,
+ "fragment shader output cannot have "
+ "type %s", check_type->name);
+ }
+ }
+
+ /* From section 4.3.6 (Output Variables) of the GLSL ES 3.10 spec:
+ *
+ * It is a compile-time error to declare a vertex shader output
+ * with, or that contains, any of the following types:
+ *
+ * * A boolean type
+ * * An opaque type
+ * * An array of arrays
+ * * An array of structures
+ * * A structure containing an array
+ * * A structure containing a structure
+ *
+ * It is a compile-time error to declare a fragment shader output
+ * with, or that contains, any of the following types:
+ *
+ * * A boolean type
+ * * An opaque type
+ * * A matrix
+ * * A structure
+ * * An array of array
+ */
+ if (state->es_shader) {
+ if (var->type->is_array() &&
+ var->type->fields.array->is_array()) {
+ _mesa_glsl_error(&loc, state,
+ "%s shader output "
+ "cannot have an array of arrays",
+ _mesa_shader_stage_to_string(state->stage));
+ }
+ if (state->stage == MESA_SHADER_VERTEX) {
+ if (var->type->is_array() &&
+ var->type->fields.array->is_record()) {
+ _mesa_glsl_error(&loc, state,
+ "vertex shader output "
+ "cannot have an array of structs");
+ }
+ if (var->type->is_record()) {
+ for (unsigned i = 0; i < var->type->length; i++) {
+ if (var->type->fields.structure[i].type->is_array() ||
+ var->type->fields.structure[i].type->is_record())
+ _mesa_glsl_error(&loc, state,
+ "vertex shader output cannot have a "
+ "struct that contains an "
+ "array or struct");
+ }
+ }
+ }