diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/glsl/ast_to_hir.cpp | 39 | ||||
| -rw-r--r-- | src/glsl/ir.cpp | 5 | ||||
| -rw-r--r-- | src/glsl/ir.h | 8 | ||||
| -rw-r--r-- | src/glsl/ir_clone.cpp | 1 |
4 files changed, 21 insertions, 32 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp index 484786c..ce29d5a 100644 --- a/src/glsl/ast_to_hir.cpp +++ b/src/glsl/ast_to_hir.cpp @@ -2120,25 +2120,6 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, var->depth_layout = ir_depth_layout_unchanged; else var->depth_layout = ir_depth_layout_none; - - /* From page 46 (page 52 of the PDF) of the GLSL ES specification: - * - * "Array variables are l-values and may be passed to parameters - * declared as out or inout. However, they may not be used as - * the target of an assignment." - * - * 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." - * - * So we only mark 1.10 as non-lvalues, and check for array - * assignment in 100 specifically in do_assignment. - */ - if (var->type->is_array() && state->language_version != 110) { - var->array_lvalue = true; - } } /** @@ -2953,6 +2934,26 @@ ast_parameter_declarator::hir(exec_list *instructions, type = glsl_type::error_type; } + /* From page 39 (page 45 of the PDF) of the GLSL 1.10 spec: + * + * "When calling a function, expressions that do not evaluate to + * l-values cannot be passed to parameters declared as out or inout." + * + * 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." + * + * So for GLSL 1.10, passing an array as an out or inout parameter is not + * allowed. This restriction is removed in GLSL 1.20, and in GLSL ES. + */ + if ((var->mode == ir_var_inout || var->mode == ir_var_out) + && type->is_array() && state->language_version == 110) { + _mesa_glsl_error(&loc, state, "Arrays cannot be out or inout parameters in GLSL 1.10"); + type = glsl_type::error_type; + } + instructions->push_tail(var); /* Parameter declarations do not have r-values. diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp index 41ed4f1..d6594cd 100644 --- a/src/glsl/ir.cpp +++ b/src/glsl/ir.cpp @@ -1105,9 +1105,6 @@ ir_dereference::is_lvalue() const if ((var == NULL) || var->read_only) return false; - if (this->type->is_array() && !var->array_lvalue) - return false; - /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec: * * "Samplers cannot be treated as l-values; hence cannot be used @@ -1323,7 +1320,7 @@ ir_swizzle::variable_referenced() const ir_variable::ir_variable(const struct glsl_type *type, const char *name, ir_variable_mode mode) : max_array_access(0), read_only(false), centroid(false), invariant(false), - mode(mode), interpolation(ir_var_smooth), array_lvalue(false) + mode(mode), interpolation(ir_var_smooth) { this->ir_type = ir_type_variable; this->type = type; diff --git a/src/glsl/ir.h b/src/glsl/ir.h index 2e899f3..cc4e680 100644 --- a/src/glsl/ir.h +++ b/src/glsl/ir.h @@ -346,14 +346,6 @@ public: unsigned interpolation:2; /** - * Flag that the whole array is assignable - * - * In GLSL 1.20 and later whole arrays are assignable (and comparable for - * equality). This flag enables this behavior. - */ - unsigned array_lvalue:1; - - /** * \name ARB_fragment_coord_conventions * @{ */ diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp index f075736..c1befa9 100644 --- a/src/glsl/ir_clone.cpp +++ b/src/glsl/ir_clone.cpp @@ -47,7 +47,6 @@ ir_variable::clone(void *mem_ctx, struct hash_table *ht) const var->centroid = this->centroid; var->invariant = this->invariant; var->interpolation = this->interpolation; - var->array_lvalue = this->array_lvalue; var->location = this->location; var->warn_extension = this->warn_extension; var->origin_upper_left = this->origin_upper_left; |