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-rw-r--r--servers/rendering/rasterizer_rd/shader_compiler_rd.cpp3
-rw-r--r--servers/rendering/shader_language.cpp24
-rw-r--r--servers/rendering/shader_language.h1
3 files changed, 27 insertions, 1 deletions
diff --git a/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp b/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp
index 79bb990649..1820c39c5a 100644
--- a/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp
+++ b/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp
@@ -399,6 +399,9 @@ void ShaderCompilerRD::_dump_function_deps(const SL::ShaderNode *p_node, const S
if (i > 0) {
header += ", ";
}
+ if (fnode->arguments[i].is_const) {
+ header += "const ";
+ }
if (fnode->arguments[i].type == SL::TYPE_STRUCT) {
header += _qualstr(fnode->arguments[i].qualifier) + _mkid(fnode->arguments[i].type_str) + " " + _mkid(fnode->arguments[i].name);
} else {
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index 809b03520b..a6a17869b3 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -982,6 +982,9 @@ bool ShaderLanguage::_find_identifier(const BlockNode *p_block, bool p_allow_rea
if (r_struct_name) {
*r_struct_name = function->arguments[i].type_str;
}
+ if (r_is_const) {
+ *r_is_const = function->arguments[i].is_const;
+ }
return true;
}
}
@@ -3553,7 +3556,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
for (int i = 0; i < call_function->arguments.size(); i++) {
int argidx = i + 1;
if (argidx < func->arguments.size()) {
- if (call_function->arguments[i].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_OUT || call_function->arguments[i].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_INOUT) {
+ if (call_function->arguments[i].is_const || call_function->arguments[i].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_OUT || call_function->arguments[i].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_INOUT) {
bool error = false;
Node *n = func->arguments[argidx];
if (n->type == Node::TYPE_CONSTANT || n->type == Node::TYPE_OPERATOR) {
@@ -6780,15 +6783,29 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct
break;
}
+ bool is_const = false;
+ if (tk.type == TK_CONST) {
+ is_const = true;
+ tk = _get_token();
+ }
+
ArgumentQualifier qualifier = ARGUMENT_QUALIFIER_IN;
if (tk.type == TK_ARG_IN) {
qualifier = ARGUMENT_QUALIFIER_IN;
tk = _get_token();
} else if (tk.type == TK_ARG_OUT) {
+ if (is_const) {
+ _set_error("'out' qualifier cannot be used within a function parameter declared with 'const'.");
+ return ERR_PARSE_ERROR;
+ }
qualifier = ARGUMENT_QUALIFIER_OUT;
tk = _get_token();
} else if (tk.type == TK_ARG_INOUT) {
+ if (is_const) {
+ _set_error("'inout' qualifier cannot be used within a function parameter declared with 'const'.");
+ return ERR_PARSE_ERROR;
+ }
qualifier = ARGUMENT_QUALIFIER_INOUT;
tk = _get_token();
}
@@ -6877,6 +6894,7 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct
arg.tex_builtin_check = false;
arg.tex_argument_filter = FILTER_DEFAULT;
arg.tex_argument_repeat = REPEAT_DEFAULT;
+ arg.is_const = is_const;
func_node->arguments.push_back(arg);
@@ -7273,6 +7291,10 @@ Error ShaderLanguage::complete(const String &p_code, const Map<StringName, Funct
calltip += CharType(0xFFFF);
}
+ if (shader->functions[i].function->arguments[j].is_const) {
+ calltip += "const ";
+ }
+
if (shader->functions[i].function->arguments[j].qualifier != ArgumentQualifier::ARGUMENT_QUALIFIER_IN) {
if (shader->functions[i].function->arguments[j].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_OUT) {
calltip += "out ";
diff --git a/servers/rendering/shader_language.h b/servers/rendering/shader_language.h
index bc8f03774a..faf06a9a85 100644
--- a/servers/rendering/shader_language.h
+++ b/servers/rendering/shader_language.h
@@ -554,6 +554,7 @@ public:
TextureRepeat tex_argument_repeat;
bool tex_builtin_check;
StringName tex_builtin;
+ bool is_const;
Map<StringName, Set<int>> tex_argument_connect;
};