Clean up Shader Preprocessor

* Moved preprocessor to Shader and ShaderInclude
* Clean up RenderingServer side
* Preprocessor is separate from parser now, but it emits tokens with include location hints.
* Improved ShaderEditor validation code
* Added include file code completion
* Added notification for all files affected by a broken include.
This commit is contained in:
reduz 2022-06-29 11:31:18 +02:00 committed by Juan Linietsky
parent 7b94603baa
commit f649678402
32 changed files with 548 additions and 291 deletions

View file

@ -63,6 +63,8 @@ public:
virtual void shader_free(RID p_rid) override{};
virtual void shader_set_code(RID p_shader, const String &p_code) override {}
virtual void shader_set_path_hint(RID p_shader, const String &p_code) override {}
virtual String shader_get_code(RID p_shader) const override { return ""; }
virtual void shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const override {}

View file

@ -37,6 +37,10 @@
using namespace RendererSceneRenderImplementation;
void SceneShaderForwardClustered::ShaderData::set_path_hint(const String &p_path) {
path = p_path;
}
void SceneShaderForwardClustered::ShaderData::set_code(const String &p_code) {
//compile

View file

@ -180,6 +180,7 @@ public:
uint32_t index = 0;
virtual void set_code(const String &p_Code);
virtual void set_path_hint(const String &p_path);
virtual void set_default_texture_param(const StringName &p_name, RID p_texture, int p_index);
virtual void get_param_list(List<PropertyInfo> *p_param_list) const;
void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const;

View file

@ -39,6 +39,10 @@ using namespace RendererSceneRenderImplementation;
/* ShaderData */
void SceneShaderForwardMobile::ShaderData::set_path_hint(const String &p_path) {
path = p_path;
}
void SceneShaderForwardMobile::ShaderData::set_code(const String &p_code) {
//compile

View file

@ -139,6 +139,8 @@ public:
uint32_t index = 0;
virtual void set_code(const String &p_Code);
virtual void set_path_hint(const String &p_path);
virtual void set_default_texture_param(const StringName &p_name, RID p_texture, int p_index);
virtual void get_param_list(List<PropertyInfo> *p_param_list) const;
void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const;

View file

@ -1968,6 +1968,10 @@ void RendererCanvasRenderRD::occluder_polygon_set_cull_mode(RID p_occluder, RS::
oc->cull_mode = p_mode;
}
void RendererCanvasRenderRD::CanvasShaderData::set_path_hint(const String &p_path) {
path = p_path;
}
void RendererCanvasRenderRD::CanvasShaderData::set_code(const String &p_code) {
//compile

View file

@ -178,6 +178,7 @@ class RendererCanvasRenderRD : public RendererCanvasRender {
bool uses_time = false;
virtual void set_code(const String &p_Code);
virtual void set_path_hint(const String &p_path);
virtual void set_default_texture_param(const StringName &p_name, RID p_texture, int p_index);
virtual void get_param_list(List<PropertyInfo> *p_param_list) const;
virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const;

View file

@ -3978,6 +3978,10 @@ void RendererSceneRenderRD::_setup_decals(const PagedArray<RID> &p_decals, const
////////////////////////////////////////////////////////////////////////////////
// FOG SHADER
void RendererSceneRenderRD::FogShaderData::set_path_hint(const String &p_path) {
path = p_path;
}
void RendererSceneRenderRD::FogShaderData::set_code(const String &p_code) {
//compile

View file

@ -947,6 +947,7 @@ private:
bool uses_time = false;
virtual void set_code(const String &p_Code);
virtual void set_path_hint(const String &p_hint);
virtual void set_default_texture_param(const StringName &p_name, RID p_texture, int p_index);
virtual void get_param_list(List<PropertyInfo> *p_param_list) const;
virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const;

View file

@ -42,6 +42,10 @@
////////////////////////////////////////////////////////////////////////////////
// SKY SHADER
void RendererSceneSkyRD::SkyShaderData::set_path_hint(const String &p_path) {
path = p_path;
}
void RendererSceneSkyRD::SkyShaderData::set_code(const String &p_code) {
//compile

View file

@ -128,6 +128,7 @@ private:
bool uses_light = false;
virtual void set_code(const String &p_Code);
virtual void set_path_hint(const String &p_hint);
virtual void set_default_texture_param(const StringName &p_name, RID p_texture, int p_index);
virtual void get_param_list(List<PropertyInfo> *p_param_list) const;
virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const;

View file

@ -2341,6 +2341,7 @@ void MaterialStorage::shader_set_code(RID p_shader, const String &p_code) {
}
if (shader->data) {
shader->data->set_path_hint(shader->path_hint);
shader->data->set_code(p_code);
}
@ -2351,6 +2352,16 @@ void MaterialStorage::shader_set_code(RID p_shader, const String &p_code) {
}
}
void MaterialStorage::shader_set_path_hint(RID p_shader, const String &p_path) {
Shader *shader = shader_owner.get_or_null(p_shader);
ERR_FAIL_COND(!shader);
shader->path_hint = p_path;
if (shader->data) {
shader->data->set_path_hint(p_path);
}
}
String MaterialStorage::shader_get_code(RID p_shader) const {
Shader *shader = shader_owner.get_or_null(p_shader);
ERR_FAIL_COND_V(!shader, String());

View file

@ -57,6 +57,7 @@ enum ShaderType {
struct ShaderData {
virtual void set_code(const String &p_Code) = 0;
virtual void set_path_hint(const String &p_hint) = 0;
virtual void set_default_texture_param(const StringName &p_name, RID p_texture, int p_index) = 0;
virtual void get_param_list(List<PropertyInfo> *p_param_list) const = 0;
@ -77,6 +78,7 @@ struct Material;
struct Shader {
ShaderData *data = nullptr;
String code;
String path_hint;
ShaderType type;
HashMap<StringName, HashMap<int, RID>> default_texture_parameter;
HashSet<Material *> owners;
@ -364,6 +366,7 @@ public:
virtual void shader_free(RID p_rid) override;
virtual void shader_set_code(RID p_shader, const String &p_code) override;
virtual void shader_set_path_hint(RID p_shader, const String &p_path) override;
virtual String shader_get_code(RID p_shader) const override;
virtual void shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const override;

View file

@ -1512,6 +1512,9 @@ bool ParticlesStorage::particles_is_inactive(RID p_particles) const {
/* Particles SHADER */
void ParticlesStorage::ParticlesShaderData::set_path_hint(const String &p_path) {
path = p_path;
}
void ParticlesStorage::ParticlesShaderData::set_code(const String &p_code) {
ParticlesStorage *particles_storage = ParticlesStorage::get_singleton();
//compile

View file

@ -363,6 +363,7 @@ private:
uint32_t userdata_count = 0;
virtual void set_code(const String &p_Code);
virtual void set_path_hint(const String &p_hint);
virtual void set_default_texture_param(const StringName &p_name, RID p_texture, int p_index);
virtual void get_param_list(List<PropertyInfo> *p_param_list) const;
virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const;

View file

@ -224,6 +224,7 @@ public:
FUNCRIDSPLIT(shader)
FUNC2(shader_set_code, RID, const String &)
FUNC2(shader_set_path_hint, RID, const String &)
FUNC1RC(String, shader_get_code, RID)
FUNC2SC(shader_get_param_list, RID, List<PropertyInfo> *)

View file

@ -1323,18 +1323,76 @@ Error ShaderCompiler::compile(RS::ShaderMode p_mode, const String &p_code, Ident
Error err = parser.compile(p_code, info);
if (err != OK) {
Vector<ShaderLanguage::FilePosition> include_positions = parser.get_include_positions();
String current;
HashMap<String, Vector<String>> includes;
includes[""] = Vector<String>();
Vector<String> include_stack;
Vector<String> shader = p_code.split("\n");
// Reconstruct the files.
for (int i = 0; i < shader.size(); i++) {
if (i + 1 == parser.get_error_line()) {
// Mark the error line to be visible without having to look at
// the trace at the end.
print_line(vformat("E%4d-> %s", i + 1, shader[i]));
String l = shader[i];
if (l.begins_with("@@>")) {
String inc_path = l.replace_first("@@>", "");
l = "#include \"" + inc_path + "\"";
includes[current].append("#include \"" + inc_path + "\""); // Restore the include directive
include_stack.push_back(current);
current = inc_path;
includes[inc_path] = Vector<String>();
} else if (l.begins_with("@@<")) {
if (include_stack.size()) {
current = include_stack[include_stack.size() - 1];
include_stack.resize(include_stack.size() - 1);
}
} else {
print_line(vformat("%5d | %s", i + 1, shader[i]));
includes[current].push_back(l);
}
}
_err_print_error(nullptr, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), false, ERR_HANDLER_SHADER);
// Print the files.
for (const KeyValue<String, Vector<String>> &E : includes) {
if (E.key.is_empty()) {
if (p_path == "") {
print_line("--Main Shader--");
} else {
print_line("--" + p_path + "--");
}
} else {
print_line("--" + E.key + "--");
}
int err_line = -1;
for (int i = 0; i < include_positions.size(); i++) {
if (include_positions[i].file == E.key) {
err_line = include_positions[i].line;
}
}
const Vector<String> &V = E.value;
for (int i = 0; i < V.size(); i++) {
if (i == err_line - 1) {
// Mark the error line to be visible without having to look at
// the trace at the end.
print_line(vformat("E%4d-> %s", i + 1, V[i]));
} else {
print_line(vformat("%5d | %s", i + 1, V[i]));
}
}
}
String file;
int line;
if (include_positions.size() > 1) {
file = include_positions[include_positions.size() - 1].file;
line = include_positions[include_positions.size() - 1].line;
} else {
file = p_path;
line = parser.get_error_line();
}
_err_print_error(nullptr, file.utf8().get_data(), line, parser.get_error_text().utf8().get_data(), false, ERR_HANDLER_SHADER);
return err;
}

View file

@ -32,8 +32,8 @@
#include "core/os/os.h"
#include "core/string/print_string.h"
#include "core/templates/local_vector.h"
#include "servers/rendering_server.h"
#include "shader_preprocessor.h"
#define HAS_WARNING(flag) (warning_flags & flag)
@ -575,6 +575,37 @@ ShaderLanguage::Token ShaderLanguage::_get_token() {
return _make_token(TK_OP_MOD);
} break;
case '@': {
if (GETCHAR(0) == '@' && GETCHAR(1) == '>') {
char_idx += 2;
LocalVector<char32_t> incp;
while (GETCHAR(0) != '\n') {
incp.push_back(GETCHAR(0));
char_idx++;
}
incp.push_back(0); // Zero end it.
String include_path(incp.ptr());
include_positions.write[include_positions.size() - 1].line = tk_line;
FilePosition fp;
fp.file = include_path;
fp.line = 0;
tk_line = 0;
include_positions.push_back(fp);
} else if (GETCHAR(0) == '@' && GETCHAR(1) == '<') {
if (include_positions.size() == 1) {
return _make_token(TK_ERROR, "Invalid include exit hint @@< without matching enter hint.");
}
char_idx += 2;
include_positions.resize(include_positions.size() - 1); // Pop back.
tk_line = include_positions[include_positions.size() - 1].line; // Restore line.
} else {
return _make_token(TK_ERROR, "Invalid include enter/exit hint token (@@> and @@<)");
}
} break;
default: {
char_idx--; //go back one, since we have no idea what this is
@ -1123,6 +1154,9 @@ void ShaderLanguage::clear() {
completion_base = TYPE_VOID;
completion_base_array = false;
include_positions.clear();
include_positions.push_back(FilePosition());
#ifdef DEBUG_ENABLED
keyword_completion_context = CF_GLOBAL_SPACE;
used_constants.clear();
@ -4119,10 +4153,6 @@ void ShaderLanguage::get_keyword_list(List<String> *r_keywords) {
}
}
void ShaderLanguage::get_preprocessor_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords) {
ShaderPreprocessor::get_keyword_list(r_keywords, p_include_shader_keywords);
}
bool ShaderLanguage::is_control_flow_keyword(String p_keyword) {
return p_keyword == "break" ||
p_keyword == "case" ||
@ -7682,27 +7712,6 @@ Error ShaderLanguage::_validate_precision(DataType p_type, DataPrecision p_preci
return OK;
}
Error ShaderLanguage::_preprocess_shader(const String &p_code, String &r_result, int *r_completion_type) {
Error error = OK;
ShaderPreprocessor processor(p_code);
processor.preprocess(r_result);
ShaderPreprocessor::State *state = processor.get_state();
if (!state->error.is_empty()) {
error_line = state->error_line;
error_set = true;
error_str = state->error;
error = FAILED;
}
if (r_completion_type != nullptr) {
*r_completion_type = (int)state->completion_type;
}
return error;
}
Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_functions, const Vector<ModeInfo> &p_render_modes, const HashSet<String> &p_shader_types, bool p_is_include) {
Token tk;
TkPos prev_pos;
@ -9500,97 +9509,6 @@ String ShaderLanguage::get_shader_type(const String &p_code) {
return String();
}
void ShaderLanguage::get_shader_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies) {
bool reading_inc = false;
String cur_identifier;
for (int i = _get_first_ident_pos(p_code); i < p_code.length(); i++) {
if (p_code[i] == ';') {
continue;
} else if (p_code[i] <= 32) {
if (cur_identifier == "#include") {
reading_inc = true;
cur_identifier = String();
} else {
if (reading_inc) {
String path = cur_identifier;
if (path.begins_with("\"") && path.ends_with("\"")) {
path = path.substr(1, path.length() - 2);
if (!path.begins_with("res://")) {
path = path.insert(0, "res://");
}
Ref<ShaderInclude> inc = ResourceLoader::load(path);
if (inc.is_valid()) {
r_dependencies->insert(inc);
}
}
reading_inc = false;
}
}
} else {
cur_identifier += String::chr(p_code[i]);
}
}
}
String ShaderLanguage::get_shader_type_and_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies) {
bool read_type = true;
bool reading_type = false;
bool reading_inc = false;
String type;
String cur_identifier;
for (int i = _get_first_ident_pos(p_code); i < p_code.length(); i++) {
if (p_code[i] == ';') {
continue;
} else if (p_code[i] <= 32) {
if (!cur_identifier.is_empty()) {
if (read_type) {
if (!reading_type) {
if (cur_identifier == "shader_type") {
reading_type = true;
cur_identifier = String();
}
} else {
type = cur_identifier;
read_type = false;
cur_identifier = String();
}
} else if (cur_identifier == "#include") {
reading_inc = true;
cur_identifier = String();
} else {
if (reading_inc) {
String path = cur_identifier;
if (path.begins_with("\"") && path.ends_with("\"")) {
path = path.substr(1, path.length() - 2);
if (!path.begins_with("res://")) {
path = path.insert(0, "res://");
}
Ref<ShaderInclude> inc = ResourceLoader::load(path);
if (inc.is_valid()) {
r_dependencies->insert(inc);
}
}
reading_inc = false;
}
}
}
} else {
cur_identifier += String::chr(p_code[i]);
}
}
if (reading_type) {
return type;
}
return String();
}
#ifdef DEBUG_ENABLED
void ShaderLanguage::_check_warning_accums() {
for (const KeyValue<ShaderWarning::Code, HashMap<StringName, HashMap<StringName, Usage>> *> &E : warnings_check_map2) {
@ -9630,21 +9548,15 @@ uint32_t ShaderLanguage::get_warning_flags() const {
Error ShaderLanguage::compile(const String &p_code, const ShaderCompileInfo &p_info) {
clear();
Error err = _preprocess_shader(p_code, code);
if (err != OK) {
return err;
}
// Clear after preprocessing. Because preprocess uses the resource loader, it means if this instance is held in a singleton, it can have a changed state after.
clear();
code = p_code;
global_var_get_type_func = p_info.global_variable_type_func;
varying_function_names = p_info.varying_function_names;
nodes = nullptr;
shader = alloc_node<ShaderNode>();
err = _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types, p_info.is_include);
Error err = _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types, p_info.is_include);
#ifdef DEBUG_ENABLED
if (check_warnings) {
@ -9661,44 +9573,7 @@ Error ShaderLanguage::compile(const String &p_code, const ShaderCompileInfo &p_i
Error ShaderLanguage::complete(const String &p_code, const ShaderCompileInfo &p_info, List<ScriptLanguage::CodeCompletionOption> *r_options, String &r_call_hint) {
clear();
int preprocessor_completion_type;
Error error = _preprocess_shader(p_code, code, &preprocessor_completion_type);
switch (preprocessor_completion_type) {
case ShaderPreprocessor::COMPLETION_TYPE_DIRECTIVE: {
static List<String> options;
if (options.is_empty()) {
ShaderPreprocessor::get_keyword_list(&options, true);
}
for (const String &E : options) {
ScriptLanguage::CodeCompletionOption option(E, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
r_options->push_back(option);
}
return OK;
} break;
case ShaderPreprocessor::COMPLETION_TYPE_PRAGMA: {
static List<String> options;
if (options.is_empty()) {
ShaderPreprocessor::get_pragma_list(&options);
}
for (const String &E : options) {
ScriptLanguage::CodeCompletionOption option(E, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
r_options->push_back(option);
}
return OK;
} break;
}
if (error != OK) {
return error;
}
code = p_code;
varying_function_names = p_info.varying_function_names;
nodes = nullptr;
@ -10231,6 +10106,10 @@ String ShaderLanguage::get_error_text() {
return error_str;
}
Vector<ShaderLanguage::FilePosition> ShaderLanguage::get_include_positions() {
return include_positions;
}
int ShaderLanguage::get_error_line() {
return error_line;
}

View file

@ -777,7 +777,6 @@ public:
static uint32_t get_datatype_size(DataType p_type);
static void get_keyword_list(List<String> *r_keywords);
static void get_preprocessor_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords);
static bool is_control_flow_keyword(String p_keyword);
static void get_builtin_funcs(List<String> *r_keywords);
@ -869,6 +868,11 @@ public:
typedef DataType (*GlobalVariableGetTypeFunc)(const StringName &p_name);
struct FilePosition {
String file;
int line = 0;
};
private:
struct KeyWord {
TokenType token;
@ -886,6 +890,8 @@ private:
String error_str;
int error_line = 0;
Vector<FilePosition> include_positions;
#ifdef DEBUG_ENABLED
struct Usage {
int decl_line;
@ -953,6 +959,7 @@ private:
error_line = tk_line;
error_set = true;
error_str = p_str;
include_positions.write[include_positions.size() - 1].line = tk_line;
}
void _set_expected_error(const String &p_what) {
@ -1072,7 +1079,6 @@ private:
String _get_shader_type_list(const HashSet<String> &p_shader_types) const;
String _get_qualifier_str(ArgumentQualifier p_qualifier) const;
Error _preprocess_shader(const String &p_code, String &r_result, int *r_completion_type = nullptr);
Error _parse_shader(const HashMap<StringName, FunctionInfo> &p_functions, const Vector<ModeInfo> &p_render_modes, const HashSet<String> &p_shader_types, bool p_is_include);
Error _find_last_flow_op_in_block(BlockNode *p_block, FlowOperation p_op);
@ -1094,8 +1100,6 @@ public:
void clear();
static String get_shader_type(const String &p_code);
static void get_shader_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies);
static String get_shader_type_and_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies);
struct ShaderCompileInfo {
HashMap<StringName, FunctionInfo> functions;
@ -1110,6 +1114,7 @@ public:
Error complete(const String &p_code, const ShaderCompileInfo &p_info, List<ScriptLanguage::CodeCompletionOption> *r_options, String &r_call_hint);
String get_error_text();
Vector<FilePosition> get_include_positions();
int get_error_line();
ShaderNode *get_shader();

View file

@ -555,6 +555,15 @@ void ShaderPreprocessor::process_include(Tokenizer *p_tokenizer) {
p_tokenizer->advance('"');
String path = tokens_to_string(p_tokenizer->advance('"'));
for (int i = 0; i < path.length(); i++) {
if (path[i] == '\n') {
break; //stop parsing
}
if (path[i] == CURSOR) {
state->completion_type = COMPLETION_TYPE_INCLUDE_PATH;
break;
}
}
path = path.substr(0, path.length() - 1);
p_tokenizer->skip_whitespace();
@ -569,7 +578,7 @@ void ShaderPreprocessor::process_include(Tokenizer *p_tokenizer) {
return;
}
Ref<ShaderInclude> shader_inc = Object::cast_to<ShaderInclude>(*res);
Ref<ShaderInclude> shader_inc = res;
if (shader_inc.is_null()) {
set_error(RTR("Shader include resource type is wrong."), line);
return;
@ -584,6 +593,8 @@ void ShaderPreprocessor::process_include(Tokenizer *p_tokenizer) {
}
}
state->shader_includes.insert(shader_inc);
const String real_path = shader_inc->get_path();
if (state->includes.has(real_path)) {
// Already included, skip.
@ -603,18 +614,26 @@ void ShaderPreprocessor::process_include(Tokenizer *p_tokenizer) {
String old_include = state->current_include;
state->current_include = real_path;
ShaderPreprocessor processor(included);
ShaderPreprocessor processor;
int prev_condition_depth = state->condition_depth;
state->condition_depth = 0;
FilePosition fp;
fp.file = state->current_include;
fp.line = line;
state->include_positions.push_back(fp);
String result;
processor.preprocess(state, result);
processor.preprocess(state, included, result);
add_to_output("@@>" + real_path + "\n"); // Add token for enter include path
add_to_output(result);
add_to_output("\n@@<\n"); // Add token for exit include path
// Reset to last include if there are no errors. We want to use this as context.
if (state->error.is_empty()) {
state->current_include = old_include;
state->include_positions.pop_back();
} else {
return;
}
@ -855,7 +874,9 @@ void ShaderPreprocessor::add_to_output(const String &p_str) {
void ShaderPreprocessor::set_error(const String &p_error, int p_line) {
if (state->error.is_empty()) {
state->error = p_error;
state->error_line = p_line + 1;
FilePosition fp;
fp.line = p_line + 1;
state->include_positions.push_back(fp);
}
}
@ -867,18 +888,6 @@ bool ShaderPreprocessor::check_directive_before_type(Tokenizer *p_tokenizer, con
return true;
}
ShaderPreprocessor::State *ShaderPreprocessor::create_state() {
State *new_state = memnew(State);
String platform = OS::get_singleton()->get_name().replace(" ", "_").to_upper();
new_state->defines[platform] = create_define("true");
Engine *engine = Engine::get_singleton();
new_state->defines["EDITOR"] = create_define(engine->is_editor_hint() ? "true" : "false");
return new_state;
}
ShaderPreprocessor::Define *ShaderPreprocessor::create_define(const String &p_body) {
ShaderPreprocessor::Define *define = memnew(Define);
define->body = p_body;
@ -903,18 +912,14 @@ void ShaderPreprocessor::clear() {
state = nullptr;
}
Error ShaderPreprocessor::preprocess(State *p_state, String &r_result) {
Error ShaderPreprocessor::preprocess(State *p_state, const String &p_code, String &r_result) {
clear();
output.clear();
state = p_state;
if (state == nullptr) {
state = create_state();
state_owner = true;
}
CommentRemover remover(code);
CommentRemover remover(p_code);
String stripped = remover.strip();
String error = remover.get_error();
if (!error.is_empty()) {
@ -923,7 +928,7 @@ Error ShaderPreprocessor::preprocess(State *p_state, String &r_result) {
}
// Track code hashes to prevent cyclic include.
uint64_t code_hash = code.hash64();
uint64_t code_hash = p_code.hash64();
state->cyclic_include_hashes.push_back(code_hash);
Tokenizer p_tokenizer(stripped);
@ -990,12 +995,55 @@ Error ShaderPreprocessor::preprocess(State *p_state, String &r_result) {
return OK;
}
Error ShaderPreprocessor::preprocess(String &r_result) {
return preprocess(nullptr, r_result);
}
Error ShaderPreprocessor::preprocess(const String &p_code, String &r_result, String *r_error_text, List<FilePosition> *r_error_position, HashSet<Ref<ShaderInclude>> *r_includes, List<ScriptLanguage::CodeCompletionOption> *r_completion_options, IncludeCompletionFunction p_include_completion_func) {
State pp_state;
Error err = preprocess(&pp_state, p_code, r_result);
if (err != OK) {
if (r_error_text) {
*r_error_text = pp_state.error;
}
if (r_error_position) {
*r_error_position = pp_state.include_positions;
}
}
if (r_includes) {
*r_includes = pp_state.shader_includes;
}
ShaderPreprocessor::State *ShaderPreprocessor::get_state() {
return state;
if (r_completion_options) {
switch (pp_state.completion_type) {
case COMPLETION_TYPE_DIRECTIVE: {
List<String> options;
get_keyword_list(&options, true);
for (const String &E : options) {
ScriptLanguage::CodeCompletionOption option(E, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
r_completion_options->push_back(option);
}
} break;
case COMPLETION_TYPE_PRAGMA: {
List<String> options;
ShaderPreprocessor::get_pragma_list(&options);
for (const String &E : options) {
ScriptLanguage::CodeCompletionOption option(E, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
r_completion_options->push_back(option);
}
} break;
case COMPLETION_TYPE_INCLUDE_PATH: {
if (p_include_completion_func && r_completion_options) {
p_include_completion_func(r_completion_options);
}
} break;
default: {
}
}
}
return err;
}
void ShaderPreprocessor::get_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords) {
@ -1018,8 +1066,7 @@ void ShaderPreprocessor::get_pragma_list(List<String> *r_pragmas) {
r_pragmas->push_back("disable_preprocessor");
}
ShaderPreprocessor::ShaderPreprocessor(const String &p_code) :
code(p_code) {
ShaderPreprocessor::ShaderPreprocessor() {
}
ShaderPreprocessor::~ShaderPreprocessor() {

View file

@ -44,6 +44,20 @@
#include "scene/resources/shader_include.h"
class ShaderPreprocessor {
public:
enum CompletionType {
COMPLETION_TYPE_NONE,
COMPLETION_TYPE_DIRECTIVE,
COMPLETION_TYPE_PRAGMA_DIRECTIVE,
COMPLETION_TYPE_PRAGMA,
COMPLETION_TYPE_INCLUDE_PATH,
};
struct FilePosition {
String file;
int line = 0;
};
private:
struct Token {
char32_t text;
@ -113,14 +127,6 @@ private:
int end_line = -1;
};
public:
enum CompletionType {
COMPLETION_TYPE_NONE,
COMPLETION_TYPE_DIRECTIVE,
COMPLETION_TYPE_PRAGMA_DIRECTIVE,
COMPLETION_TYPE_PRAGMA,
};
struct State {
RBMap<String, Define *> defines;
Vector<bool> skip_stack_else;
@ -132,14 +138,14 @@ public:
String current_shader_type;
int shader_type_pos = -1;
String error;
int error_line = -1;
List<FilePosition> include_positions;
RBMap<String, Vector<SkippedCondition *>> skipped_conditions;
bool disabled = false;
CompletionType completion_type = COMPLETION_TYPE_NONE;
HashSet<Ref<ShaderInclude>> shader_includes;
};
private:
String code;
LocalVector<char32_t> output;
State *state = nullptr;
bool state_owner = false;
@ -175,21 +181,21 @@ private:
void set_error(const String &p_error, int p_line);
bool check_directive_before_type(Tokenizer *p_tokenizer, const String &p_directive);
static State *create_state();
static Define *create_define(const String &p_body);
void clear();
Error preprocess(State *p_state, const String &p_code, String &r_result);
public:
Error preprocess(State *p_state, String &r_result);
Error preprocess(String &r_result);
typedef void (*IncludeCompletionFunction)(List<ScriptLanguage::CodeCompletionOption> *);
State *get_state();
Error preprocess(const String &p_code, String &r_result, String *r_error_text = nullptr, List<FilePosition> *r_error_position = nullptr, HashSet<Ref<ShaderInclude>> *r_includes = nullptr, List<ScriptLanguage::CodeCompletionOption> *r_completion_options = nullptr, IncludeCompletionFunction p_include_completion_func = nullptr);
static void get_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords = false);
static void get_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords);
static void get_pragma_list(List<String> *r_pragmas);
ShaderPreprocessor(const String &p_code);
ShaderPreprocessor();
~ShaderPreprocessor();
};

View file

@ -61,6 +61,7 @@ public:
virtual void shader_free(RID p_rid) = 0;
virtual void shader_set_code(RID p_shader, const String &p_code) = 0;
virtual void shader_set_path_hint(RID p_shader, const String &p_path) = 0;
virtual String shader_get_code(RID p_shader) const = 0;
virtual void shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const = 0;

View file

@ -1709,6 +1709,8 @@ void RenderingServer::_bind_methods() {
/* SHADER */
ClassDB::bind_method(D_METHOD("shader_create"), &RenderingServer::shader_create);
ClassDB::bind_method(D_METHOD("shader_set_code", "shader", "code"), &RenderingServer::shader_set_code);
ClassDB::bind_method(D_METHOD("shader_set_path_hint", "shader", "path"), &RenderingServer::shader_set_path_hint);
ClassDB::bind_method(D_METHOD("shader_get_code", "shader"), &RenderingServer::shader_get_code);
ClassDB::bind_method(D_METHOD("shader_get_param_list", "shader"), &RenderingServer::_shader_get_param_list);
ClassDB::bind_method(D_METHOD("shader_get_param_default", "shader", "param"), &RenderingServer::shader_get_param_default);

View file

@ -170,6 +170,7 @@ public:
virtual RID shader_create() = 0;
virtual void shader_set_code(RID p_shader, const String &p_code) = 0;
virtual void shader_set_path_hint(RID p_shader, const String &p_path) = 0;
virtual String shader_get_code(RID p_shader) const = 0;
virtual void shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const = 0;
virtual Variant shader_get_param_default(RID p_shader, const StringName &p_param) const = 0;