diff options
Diffstat (limited to 'servers/visual/shader_language.cpp')
-rw-r--r-- | servers/visual/shader_language.cpp | 85 |
1 files changed, 82 insertions, 3 deletions
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp index d52e121a13..358ed8ca54 100644 --- a/servers/visual/shader_language.cpp +++ b/servers/visual/shader_language.cpp @@ -691,6 +691,30 @@ String ShaderLanguage::token_debug(const String &p_code) { return output; } +bool ShaderLanguage::is_token_variable_datatype(TokenType p_type) { + return ( + p_type == TK_TYPE_VOID || + p_type == TK_TYPE_BOOL || + p_type == TK_TYPE_BVEC2 || + p_type == TK_TYPE_BVEC3 || + p_type == TK_TYPE_BVEC4 || + p_type == TK_TYPE_INT || + p_type == TK_TYPE_IVEC2 || + p_type == TK_TYPE_IVEC3 || + p_type == TK_TYPE_IVEC4 || + p_type == TK_TYPE_UINT || + p_type == TK_TYPE_UVEC2 || + p_type == TK_TYPE_UVEC3 || + p_type == TK_TYPE_UVEC4 || + p_type == TK_TYPE_FLOAT || + p_type == TK_TYPE_VEC2 || + p_type == TK_TYPE_VEC3 || + p_type == TK_TYPE_VEC4 || + p_type == TK_TYPE_MAT2 || + p_type == TK_TYPE_MAT3 || + p_type == TK_TYPE_MAT4); +} + bool ShaderLanguage::is_token_datatype(TokenType p_type) { return ( @@ -2013,6 +2037,12 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = { }; +const ShaderLanguage::BuiltinFuncOutArgs ShaderLanguage::builtin_func_out_args[] = { + //constructors + { "modf", 1 }, + { NULL, 0 } +}; + bool ShaderLanguage::_validate_function_call(BlockNode *p_block, OperatorNode *p_func, DataType *r_ret_type) { ERR_FAIL_COND_V(p_func->op != OP_CALL && p_func->op != OP_CONSTRUCT, NULL); @@ -2056,6 +2086,41 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, OperatorNode *p if (!fail) { + //make sure its not an out argument used in the wrong way + int outarg_idx = 0; + while (builtin_func_out_args[outarg_idx].name) { + + if (String(name) == builtin_func_out_args[outarg_idx].name) { + int arg_idx = builtin_func_out_args[outarg_idx].argument; + + if (arg_idx < argcount) { + + if (p_func->arguments[arg_idx + 1]->type != Node::TYPE_VARIABLE) { + _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' is not a variable"); + return false; + } + StringName var_name = static_cast<const VariableNode *>(p_func->arguments[arg_idx + 1])->name; + + const BlockNode *b = p_block; + bool valid = false; + while (b) { + if (b->variables.has(var_name)) { + valid = true; + break; + } + b = b->parent_block; + } + + if (!valid) { + _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' can only take a local variable"); + return false; + } + } + } + + outarg_idx++; + } + if (r_ret_type) *r_ret_type = builtin_func_defs[idx].rettype; @@ -2288,7 +2353,7 @@ bool ShaderLanguage::is_sampler_type(DataType p_type) { p_type == TYPE_SAMPLERCUBE; } -Variant ShaderLanguage::constant_value_to_variant(const Vector<ShaderLanguage::ConstantNode::Value> &p_value, DataType p_type) { +Variant ShaderLanguage::constant_value_to_variant(const Vector<ShaderLanguage::ConstantNode::Value> &p_value, DataType p_type, ShaderLanguage::ShaderNode::Uniform::Hint p_hint) { if (p_value.size() > 0) { Variant value; switch (p_type) { @@ -2332,7 +2397,11 @@ Variant ShaderLanguage::constant_value_to_variant(const Vector<ShaderLanguage::C value = Variant(Vector3(p_value[0].real, p_value[1].real, p_value[2].real)); break; case ShaderLanguage::TYPE_VEC4: - value = Variant(Plane(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real)); + if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_COLOR) { + value = Variant(Color(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real)); + } else { + value = Variant(Plane(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real)); + } break; case ShaderLanguage::TYPE_MAT2: value = Variant(Transform2D(p_value[0].real, p_value[2].real, p_value[1].real, p_value[3].real, 0.0, 0.0)); @@ -2498,7 +2567,7 @@ bool ShaderLanguage::_get_completable_identifier(BlockNode *p_block, CompletionT identifier = StringName(); - TkPos pos; + TkPos pos = { 0, 0 }; Token tk = _get_token(); @@ -3563,6 +3632,11 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui } } + if (!is_token_variable_datatype(tk.type)) { + _set_error("Invalid data type for variable (samplers not allowed)"); + return ERR_PARSE_ERROR; + } + DataType type = get_token_datatype(tk.type); tk = _get_token(); @@ -4218,6 +4292,11 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct return ERR_PARSE_ERROR; } + if (!is_token_variable_datatype(tk.type)) { + _set_error("Invalid data type for function return (samplers not allowed)"); + return ERR_PARSE_ERROR; + } + type = get_token_datatype(tk.type); _get_completable_identifier(NULL, COMPLETION_MAIN_FUNCTION, name); |