Error ShaderCompilerGLES2::compile(VS::ShaderMode p_mode, const String &p_code, IdentifierActions *p_actions, const String &p_path, GeneratedCode &r_gen_code) {
Error err = parser.compile(p_code, ShaderTypes::get_singleton()->get_functions(p_mode), ShaderTypes::get_singleton()->get_modes(p_mode), ShaderTypes::get_singleton()->get_types());
if (err != OK) {
Vector<String> shader = p_code.split("\n");
for (int i = 0; i < shader.size(); i++) {
print_line(itos(i + 1) + " " + shader[i]);
}
_err_print_error(NULL, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), ERR_HANDLER_SHADER);
return err;
}
r_gen_code.custom_defines.clear();
r_gen_code.uniforms.clear();
r_gen_code.texture_uniforms.clear();
r_gen_code.texture_hints.clear();
r_gen_code.vertex = String();
r_gen_code.vertex_global = String();
r_gen_code.fragment = String();
r_gen_code.fragment_global = String();
r_gen_code.light = String();
r_gen_code.uses_fragment_time = false;
r_gen_code.uses_vertex_time = false;
used_name_defines.clear();
used_rmode_defines.clear();
used_flag_pointers.clear();
_dump_node_code(parser.get_shader(), 1, r_gen_code, *p_actions, actions[p_mode], false);
return OK;
}
Error ShaderCompilerGLES3::compile(VS::ShaderMode p_mode, const String &p_code, IdentifierActions *p_actions, const String &p_path, GeneratedCode &r_gen_code) {
Error err = parser.compile(p_code, ShaderTypes::get_singleton()->get_functions(p_mode), ShaderTypes::get_singleton()->get_modes(p_mode), ShaderTypes::get_singleton()->get_types());
if (err != OK) {
#if 1
Vector<String> shader = p_code.split("\n");
for (int i = 0; i < shader.size(); i++) {
print_line(itos(i) + " " + shader[i]);
}
#endif
_err_print_error(NULL, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), ERR_HANDLER_SHADER);
return err;
}
r_gen_code.defines.clear();
r_gen_code.vertex = String();
r_gen_code.vertex_global = String();
r_gen_code.fragment = String();
r_gen_code.fragment_global = String();
r_gen_code.light = String();
r_gen_code.uses_fragment_time = false;
r_gen_code.uses_vertex_time = false;
used_name_defines.clear();
used_rmode_defines.clear();
used_flag_pointers.clear();
_dump_node_code(parser.get_shader(), 1, r_gen_code, *p_actions, actions[p_mode]);
if (r_gen_code.uniform_total_size) { //uniforms used?
int md = sizeof(float) * 4;
if (r_gen_code.uniform_total_size % md) {
r_gen_code.uniform_total_size += md - (r_gen_code.uniform_total_size % md);
}
r_gen_code.uniform_total_size += md; //pad just in case
}
return OK;
}
String ShaderCompilerGLES3::_dump_node_code(SL::Node *p_node, int p_level, GeneratedCode &r_gen_code, IdentifierActions &p_actions, const DefaultIdentifierActions &p_default_actions) {
String code;
switch (p_node->type) {
case SL::Node::TYPE_SHADER: {
SL::ShaderNode *pnode = (SL::ShaderNode *)p_node;
for (int i = 0; i < pnode->render_modes.size(); i++) {
if (p_default_actions.render_mode_defines.has(pnode->render_modes[i]) && !used_rmode_defines.has(pnode->render_modes[i])) {
r_gen_code.defines.push_back(p_default_actions.render_mode_defines[pnode->render_modes[i]].utf8());
used_rmode_defines.insert(pnode->render_modes[i]);
}
if (p_actions.render_mode_flags.has(pnode->render_modes[i])) {
*p_actions.render_mode_flags[pnode->render_modes[i]] = true;
}
if (p_actions.render_mode_values.has(pnode->render_modes[i])) {
Pair<int *, int> &p = p_actions.render_mode_values[pnode->render_modes[i]];
*p.first = p.second;
}
}
int max_texture_uniforms = 0;
int max_uniforms = 0;
for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = pnode->uniforms.front(); E; E = E->next()) {
if (SL::is_sampler_type(E->get().type))
max_texture_uniforms++;
else
max_uniforms++;
}
r_gen_code.texture_uniforms.resize(max_texture_uniforms);
r_gen_code.texture_hints.resize(max_texture_uniforms);
Vector<int> uniform_sizes;
Vector<int> uniform_alignments;
Vector<StringName> uniform_defines;
uniform_sizes.resize(max_uniforms);
uniform_alignments.resize(max_uniforms);
uniform_defines.resize(max_uniforms);
bool uses_uniforms = false;
for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = pnode->uniforms.front(); E; E = E->next()) {
String ucode;
if (SL::is_sampler_type(E->get().type)) {
ucode = "uniform ";
}
ucode += _prestr(E->get().precission);
ucode += _typestr(E->get().type);
ucode += " " + _mkid(E->key());
ucode += ";\n";
if (SL::is_sampler_type(E->get().type)) {
r_gen_code.vertex_global += ucode;
r_gen_code.fragment_global += ucode;
r_gen_code.texture_uniforms[E->get().texture_order] = _mkid(E->key());
r_gen_code.texture_hints[E->get().texture_order] = E->get().hint;
} else {
if (!uses_uniforms) {
r_gen_code.defines.push_back(String("#define USE_MATERIAL\n").ascii());
uses_uniforms = true;
}
uniform_defines[E->get().order] = ucode;
uniform_sizes[E->get().order] = _get_datatype_size(E->get().type);
uniform_alignments[E->get().order] = MIN(16, _get_datatype_size(E->get().type));
}
p_actions.uniforms->insert(E->key(), E->get());
}
for (int i = 0; i < max_uniforms; i++) {
r_gen_code.uniforms += uniform_defines[i];
}
// add up
for (int i = 0; i < uniform_sizes.size(); i++) {
if (i > 0) {
int align = uniform_sizes[i - 1] % uniform_alignments[i];
if (align != 0) {
uniform_sizes[i - 1] += uniform_alignments[i] - align;
}
uniform_sizes[i] = uniform_sizes[i] + uniform_sizes[i - 1];
}
}
//offset
r_gen_code.uniform_offsets.resize(uniform_sizes.size());
for (int i = 0; i < uniform_sizes.size(); i++) {
if (i > 0)
r_gen_code.uniform_offsets[i] = uniform_sizes[i - 1];
else
r_gen_code.uniform_offsets[i] = 0;
}
/*
for(Map<StringName,SL::ShaderNode::Uniform>::Element *E=pnode->uniforms.front();E;E=E->next()) {
if (SL::is_sampler_type(E->get().type)) {
continue;
}
print_line("u - "+String(E->key())+" offset: "+itos(r_gen_code.uniform_offsets[E->get().order]));
}
*/
if (uniform_sizes.size()) {
r_gen_code.uniform_total_size = uniform_sizes[uniform_sizes.size() - 1];
} else {
r_gen_code.uniform_total_size = 0;
}
for (Map<StringName, SL::ShaderNode::Varying>::Element *E = pnode->varyings.front(); E; E = E->next()) {
String vcode;
vcode += _prestr(E->get().precission);
vcode += _typestr(E->get().type);
vcode += " " + _mkid(E->key());
vcode += ";\n";
r_gen_code.vertex_global += "out " + vcode;
r_gen_code.fragment_global += "in " + vcode;
}
Map<StringName, String> function_code;
//code for functions
for (int i = 0; i < pnode->functions.size(); i++) {
SL::FunctionNode *fnode = pnode->functions[i].function;
function_code[fnode->name] = _dump_node_code(fnode->body, p_level + 1, r_gen_code, p_actions, p_default_actions);
}
//place functions in actual code
Set<StringName> added_vtx;
Set<StringName> added_fragment; //share for light
for (int i = 0; i < pnode->functions.size(); i++) {
SL::FunctionNode *fnode = pnode->functions[i].function;
current_func_name = fnode->name;
if (fnode->name == "vertex") {
_dump_function_deps(pnode, fnode->name, function_code, r_gen_code.vertex_global, added_vtx);
r_gen_code.vertex = function_code["vertex"];
}
if (fnode->name == "fragment") {
_dump_function_deps(pnode, fnode->name, function_code, r_gen_code.fragment_global, added_fragment);
r_gen_code.fragment = function_code["fragment"];
}
if (fnode->name == "light") {
_dump_function_deps(pnode, fnode->name, function_code, r_gen_code.fragment_global, added_fragment);
r_gen_code.light = function_code["light"];
}
}
//code+=dump_node_code(pnode->body,p_level);
} break;
case SL::Node::TYPE_FUNCTION: {
} break;
case SL::Node::TYPE_BLOCK: {
SL::BlockNode *bnode = (SL::BlockNode *)p_node;
//variables
code += _mktab(p_level - 1) + "{\n";
for (Map<StringName, SL::BlockNode::Variable>::Element *E = bnode->variables.front(); E; E = E->next()) {
code += _mktab(p_level) + _prestr(E->get().precision) + _typestr(E->get().type) + " " + _mkid(E->key()) + ";\n";
}
for (int i = 0; i < bnode->statements.size(); i++) {
String scode = _dump_node_code(bnode->statements[i], p_level, r_gen_code, p_actions, p_default_actions);
if (bnode->statements[i]->type == SL::Node::TYPE_CONTROL_FLOW || bnode->statements[i]->type == SL::Node::TYPE_CONTROL_FLOW) {
// FIXME: if (A || A) ? I am hesitant to delete one of them, could be copy-paste error.
code += scode; //use directly
} else {
code += _mktab(p_level) + scode + ";\n";
}
}
code += _mktab(p_level - 1) + "}\n";
} break;
case SL::Node::TYPE_VARIABLE: {
SL::VariableNode *vnode = (SL::VariableNode *)p_node;
if (p_default_actions.usage_defines.has(vnode->name) && !used_name_defines.has(vnode->name)) {
String define = p_default_actions.usage_defines[vnode->name];
if (define.begins_with("@")) {
define = p_default_actions.usage_defines[define.substr(1, define.length())];
}
r_gen_code.defines.push_back(define.utf8());
used_name_defines.insert(vnode->name);
}
if (p_actions.usage_flag_pointers.has(vnode->name) && !used_flag_pointers.has(vnode->name)) {
*p_actions.usage_flag_pointers[vnode->name] = true;
used_flag_pointers.insert(vnode->name);
}
if (p_default_actions.renames.has(vnode->name))
code = p_default_actions.renames[vnode->name];
else
code = _mkid(vnode->name);
if (vnode->name == time_name) {
if (current_func_name == vertex_name) {
r_gen_code.uses_vertex_time = true;
}
if (current_func_name == fragment_name) {
r_gen_code.uses_fragment_time = true;
}
}
} break;
case SL::Node::TYPE_CONSTANT: {
SL::ConstantNode *cnode = (SL::ConstantNode *)p_node;
return get_constant_text(cnode->datatype, cnode->values);
} break;
case SL::Node::TYPE_OPERATOR: {
SL::OperatorNode *onode = (SL::OperatorNode *)p_node;
switch (onode->op) {
case SL::OP_ASSIGN:
case SL::OP_ASSIGN_ADD:
case SL::OP_ASSIGN_SUB:
case SL::OP_ASSIGN_MUL:
case SL::OP_ASSIGN_DIV:
case SL::OP_ASSIGN_SHIFT_LEFT:
case SL::OP_ASSIGN_SHIFT_RIGHT:
case SL::OP_ASSIGN_MOD:
case SL::OP_ASSIGN_BIT_AND:
case SL::OP_ASSIGN_BIT_OR:
case SL::OP_ASSIGN_BIT_XOR:
if (onode->arguments[0]->type == SL::Node::TYPE_VARIABLE) {
SL::VariableNode *vnode = (SL::VariableNode *)onode->arguments[0];
if (p_actions.write_flag_pointers.has(vnode->name)) {
*p_actions.write_flag_pointers[vnode->name] = true;
}
}
code = _dump_node_code(onode->arguments[0], p_level, r_gen_code, p_actions, p_default_actions) + _opstr(onode->op) + _dump_node_code(onode->arguments[1], p_level, r_gen_code, p_actions, p_default_actions);
break;
case SL::OP_BIT_INVERT:
case SL::OP_NEGATE:
case SL::OP_NOT:
case SL::OP_DECREMENT:
case SL::OP_INCREMENT:
code = _opstr(onode->op) + _dump_node_code(onode->arguments[0], p_level, r_gen_code, p_actions, p_default_actions);
break;
case SL::OP_POST_DECREMENT:
case SL::OP_POST_INCREMENT:
code = _dump_node_code(onode->arguments[0], p_level, r_gen_code, p_actions, p_default_actions) + _opstr(onode->op);
break;
case SL::OP_CALL:
case SL::OP_CONSTRUCT: {
ERR_FAIL_COND_V(onode->arguments[0]->type != SL::Node::TYPE_VARIABLE, String());
SL::VariableNode *vnode = (SL::VariableNode *)onode->arguments[0];
if (onode->op == SL::OP_CONSTRUCT) {
code += String(vnode->name);
} else {
if (internal_functions.has(vnode->name)) {
code += vnode->name;
} else if (p_default_actions.renames.has(vnode->name)) {
code += p_default_actions.renames[vnode->name];
} else {
code += _mkid(vnode->name);
}
}
code += "(";
for (int i = 1; i < onode->arguments.size(); i++) {
if (i > 1)
code += ", ";
code += _dump_node_code(onode->arguments[i], p_level, r_gen_code, p_actions, p_default_actions);
}
code += ")";
} break;
case SL::OP_INDEX: {
code += _dump_node_code(onode->arguments[0], p_level, r_gen_code, p_actions, p_default_actions);
code += "[";
code += _dump_node_code(onode->arguments[1], p_level, r_gen_code, p_actions, p_default_actions);
code += "]";
} break;
case SL::OP_SELECT_IF: {
code += _dump_node_code(onode->arguments[0], p_level, r_gen_code, p_actions, p_default_actions);
code += "?";
code += _dump_node_code(onode->arguments[1], p_level, r_gen_code, p_actions, p_default_actions);
code += ":";
code += _dump_node_code(onode->arguments[2], p_level, r_gen_code, p_actions, p_default_actions);
} break;
default: {
code = "(" + _dump_node_code(onode->arguments[0], p_level, r_gen_code, p_actions, p_default_actions) + _opstr(onode->op) + _dump_node_code(onode->arguments[1], p_level, r_gen_code, p_actions, p_default_actions) + ")";
break;
}
}
} break;
case SL::Node::TYPE_CONTROL_FLOW: {
SL::ControlFlowNode *cfnode = (SL::ControlFlowNode *)p_node;
if (cfnode->flow_op == SL::FLOW_OP_IF) {
code += _mktab(p_level) + "if (" + _dump_node_code(cfnode->expressions[0], p_level, r_gen_code, p_actions, p_default_actions) + ")\n";
code += _dump_node_code(cfnode->blocks[0], p_level + 1, r_gen_code, p_actions, p_default_actions);
if (cfnode->blocks.size() == 2) {
code += _mktab(p_level) + "else\n";
code += _dump_node_code(cfnode->blocks[1], p_level + 1, r_gen_code, p_actions, p_default_actions);
}
} else if (cfnode->flow_op == SL::FLOW_OP_WHILE) {
code += _mktab(p_level) + "while (" + _dump_node_code(cfnode->expressions[0], p_level, r_gen_code, p_actions, p_default_actions) + ")\n";
code += _dump_node_code(cfnode->blocks[0], p_level + 1, r_gen_code, p_actions, p_default_actions);
} else if (cfnode->flow_op == SL::FLOW_OP_RETURN) {
if (cfnode->expressions.size()) {
code = "return " + _dump_node_code(cfnode->expressions[0], p_level, r_gen_code, p_actions, p_default_actions) + ";";
} else {
code = "return;";
}
}
} break;
case SL::Node::TYPE_MEMBER: {
SL::MemberNode *mnode = (SL::MemberNode *)p_node;
code = _dump_node_code(mnode->owner, p_level, r_gen_code, p_actions, p_default_actions) + "." + mnode->name;
} break;
}
return code;
}
String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, GeneratedCode &r_gen_code, IdentifierActions &p_actions, const DefaultIdentifierActions &p_default_actions, bool p_assigning) {
StringBuilder code;
switch (p_node->type) {
case SL::Node::TYPE_SHADER: {
SL::ShaderNode *snode = (SL::ShaderNode *)p_node;
for (int i = 0; i < snode->render_modes.size(); i++) {
if (p_default_actions.render_mode_defines.has(snode->render_modes[i]) && !used_rmode_defines.has(snode->render_modes[i])) {
r_gen_code.custom_defines.push_back(p_default_actions.render_mode_defines[snode->render_modes[i]].utf8());
used_rmode_defines.insert(snode->render_modes[i]);
}
if (p_actions.render_mode_flags.has(snode->render_modes[i])) {
*p_actions.render_mode_flags[snode->render_modes[i]] = true;
}
if (p_actions.render_mode_values.has(snode->render_modes[i])) {
Pair<int *, int> &p = p_actions.render_mode_values[snode->render_modes[i]];
*p.first = p.second;
}
}
int max_texture_uniforms = 0;
int max_uniforms = 0;
for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = snode->uniforms.front(); E; E = E->next()) {
if (SL::is_sampler_type(E->get().type))
max_texture_uniforms++;
else
max_uniforms++;
}
r_gen_code.texture_uniforms.resize(max_texture_uniforms);
r_gen_code.texture_hints.resize(max_texture_uniforms);
r_gen_code.uniforms.resize(max_uniforms + max_texture_uniforms);
StringBuilder vertex_global;
StringBuilder fragment_global;
// uniforms
for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = snode->uniforms.front(); E; E = E->next()) {
StringBuffer<> uniform_code;
// use highp if no precision is specified to prevent different default values in fragment and vertex shader
SL::DataPrecision precision = E->get().precision;
if (precision == SL::PRECISION_DEFAULT) {
precision = SL::PRECISION_HIGHP;
}
uniform_code += "uniform ";
uniform_code += _prestr(precision);
uniform_code += _typestr(E->get().type);
uniform_code += " ";
uniform_code += _mkid(E->key());
uniform_code += ";\n";
if (SL::is_sampler_type(E->get().type)) {
r_gen_code.texture_uniforms.write[E->get().texture_order] = E->key();
r_gen_code.texture_hints.write[E->get().texture_order] = E->get().hint;
} else {
r_gen_code.uniforms.write[E->get().order] = E->key();
}
vertex_global += uniform_code.as_string();
fragment_global += uniform_code.as_string();
p_actions.uniforms->insert(E->key(), E->get());
}
// varyings
for (Map<StringName, SL::ShaderNode::Varying>::Element *E = snode->varyings.front(); E; E = E->next()) {
StringBuffer<> varying_code;
varying_code += "varying ";
varying_code += _prestr(E->get().precision);
varying_code += _typestr(E->get().type);
varying_code += " ";
varying_code += _mkid(E->key());
varying_code += ";\n";
String final_code = varying_code.as_string();
vertex_global += final_code;
fragment_global += final_code;
}
// functions
Map<StringName, String> function_code;
for (int i = 0; i < snode->functions.size(); i++) {
SL::FunctionNode *fnode = snode->functions[i].function;
current_func_name = fnode->name;
function_code[fnode->name] = _dump_node_code(fnode->body, 1, r_gen_code, p_actions, p_default_actions, p_assigning);
}
Set<StringName> added_vertex;
Set<StringName> added_fragment;
for (int i = 0; i < snode->functions.size(); i++) {
SL::FunctionNode *fnode = snode->functions[i].function;
current_func_name = fnode->name;
if (fnode->name == vertex_name) {
_dump_function_deps(snode, fnode->name, function_code, vertex_global, added_vertex);
r_gen_code.vertex = function_code[vertex_name];
} else if (fnode->name == fragment_name) {
_dump_function_deps(snode, fnode->name, function_code, fragment_global, added_fragment);
r_gen_code.fragment = function_code[fragment_name];
} else if (fnode->name == light_name) {
_dump_function_deps(snode, fnode->name, function_code, fragment_global, added_fragment);
r_gen_code.light = function_code[light_name];
}
}
r_gen_code.vertex_global = vertex_global.as_string();
r_gen_code.fragment_global = fragment_global.as_string();
} break;
case SL::Node::TYPE_FUNCTION: {
} break;
case SL::Node::TYPE_BLOCK: {
SL::BlockNode *bnode = (SL::BlockNode *)p_node;
if (!bnode->single_statement) {
code += _mktab(p_level - 1);
code += "{\n";
}
for (int i = 0; i < bnode->statements.size(); i++) {
String statement_code = _dump_node_code(bnode->statements[i], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
if (bnode->statements[i]->type == SL::Node::TYPE_CONTROL_FLOW || bnode->single_statement) {
code += statement_code;
} else {
code += _mktab(p_level);
code += statement_code;
code += ";\n";
}
}
if (!bnode->single_statement) {
code += _mktab(p_level - 1);
code += "}\n";
}
} break;
case SL::Node::TYPE_VARIABLE_DECLARATION: {
SL::VariableDeclarationNode *var_dec_node = (SL::VariableDeclarationNode *)p_node;
StringBuffer<> declaration;
declaration += _prestr(var_dec_node->precision);
declaration += _typestr(var_dec_node->datatype);
for (int i = 0; i < var_dec_node->declarations.size(); i++) {
if (i > 0) {
declaration += ",";
}
declaration += " ";
declaration += _mkid(var_dec_node->declarations[i].name);
if (var_dec_node->declarations[i].initializer) {
declaration += " = ";
declaration += _dump_node_code(var_dec_node->declarations[i].initializer, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
}
}
code += declaration.as_string();
} break;
case SL::Node::TYPE_VARIABLE: {
SL::VariableNode *var_node = (SL::VariableNode *)p_node;
if (p_assigning && p_actions.write_flag_pointers.has(var_node->name)) {
*p_actions.write_flag_pointers[var_node->name] = true;
}
if (p_default_actions.usage_defines.has(var_node->name) && !used_name_defines.has(var_node->name)) {
String define = p_default_actions.usage_defines[var_node->name];
if (define.begins_with("@")) {
define = p_default_actions.usage_defines[define.substr(1, define.length())];
}
r_gen_code.custom_defines.push_back(define.utf8());
used_name_defines.insert(var_node->name);
}
if (p_actions.usage_flag_pointers.has(var_node->name) && !used_flag_pointers.has(var_node->name)) {
*p_actions.usage_flag_pointers[var_node->name] = true;
used_flag_pointers.insert(var_node->name);
}
if (p_default_actions.renames.has(var_node->name)) {
code += p_default_actions.renames[var_node->name];
} else {
code += _mkid(var_node->name);
}
if (var_node->name == time_name) {
if (current_func_name == vertex_name) {
r_gen_code.uses_vertex_time = true;
}
if (current_func_name == fragment_name || current_func_name == light_name) {
r_gen_code.uses_fragment_time = true;
}
}
} break;
case SL::Node::TYPE_CONSTANT: {
SL::ConstantNode *const_node = (SL::ConstantNode *)p_node;
return get_constant_text(const_node->datatype, const_node->values);
} break;
case SL::Node::TYPE_OPERATOR: {
SL::OperatorNode *op_node = (SL::OperatorNode *)p_node;
switch (op_node->op) {
case SL::OP_ASSIGN:
case SL::OP_ASSIGN_ADD:
case SL::OP_ASSIGN_SUB:
case SL::OP_ASSIGN_MUL:
case SL::OP_ASSIGN_DIV:
case SL::OP_ASSIGN_SHIFT_LEFT:
case SL::OP_ASSIGN_SHIFT_RIGHT:
case SL::OP_ASSIGN_BIT_AND:
case SL::OP_ASSIGN_BIT_OR:
case SL::OP_ASSIGN_BIT_XOR: {
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, true);
code += " ";
code += _opstr(op_node->op);
code += " ";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
} break;
case SL::OP_ASSIGN_MOD: {
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, true);
code += " = ";
code += "mod(";
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, true);
code += ", ";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += ")";
} break;
case SL::OP_BIT_INVERT:
case SL::OP_NEGATE:
case SL::OP_NOT:
case SL::OP_DECREMENT:
case SL::OP_INCREMENT: {
code += _opstr(op_node->op);
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
} break;
case SL::OP_POST_DECREMENT:
case SL::OP_POST_INCREMENT: {
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += _opstr(op_node->op);
} break;
case SL::OP_CALL:
case SL::OP_CONSTRUCT: {
ERR_FAIL_COND_V(op_node->arguments[0]->type != SL::Node::TYPE_VARIABLE, String());
SL::VariableNode *var_node = (SL::VariableNode *)op_node->arguments[0];
if (op_node->op == SL::OP_CONSTRUCT) {
code += var_node->name;
} else {
if (var_node->name == "texture") {
// emit texture call
if (op_node->arguments[1]->get_datatype() == SL::TYPE_SAMPLER2D) {
code += "texture2D";
} else if (op_node->arguments[1]->get_datatype() == SL::TYPE_SAMPLERCUBE) {
code += "textureCube";
}
} else if (var_node->name == "textureLod") {
// emit texture call
if (op_node->arguments[1]->get_datatype() == SL::TYPE_SAMPLER2D) {
code += "texture2DLod";
} else if (op_node->arguments[1]->get_datatype() == SL::TYPE_SAMPLERCUBE) {
code += "textureCubeLod";
}
} else if (var_node->name == "mix") {
switch (op_node->arguments[3]->get_datatype()) {
case SL::TYPE_BVEC2: {
code += "select2";
} break;
case SL::TYPE_BVEC3: {
code += "select3";
} break;
case SL::TYPE_BVEC4: {
code += "select4";
} break;
case SL::TYPE_VEC2:
case SL::TYPE_VEC3:
case SL::TYPE_VEC4:
case SL::TYPE_FLOAT: {
code += "mix";
} break;
default: {
SL::DataType type = op_node->arguments[3]->get_datatype();
// FIXME: Proper error print or graceful handling
print_line(String("uhhhh invalid mix with type: ") + itos(type));
} break;
}
} else if (p_default_actions.renames.has(var_node->name)) {
code += p_default_actions.renames[var_node->name];
} else if (internal_functions.has(var_node->name)) {
code += var_node->name;
} else {
code += _mkid(var_node->name);
}
}
code += "(";
for (int i = 1; i < op_node->arguments.size(); i++) {
if (i > 1) {
code += ", ";
}
code += _dump_node_code(op_node->arguments[i], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
}
code += ")";
} break;
case SL::OP_INDEX: {
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "[";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "]";
} break;
case SL::OP_SELECT_IF: {
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += " ? ";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += " : ";
code += _dump_node_code(op_node->arguments[2], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
} break;
case SL::OP_MOD: {
code += "mod(float(";
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "), float(";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "))";
} break;
default: {
code += "(";
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += " ";
code += _opstr(op_node->op);
code += " ";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += ")";
} break;
}
} break;
case SL::Node::TYPE_CONTROL_FLOW: {
SL::ControlFlowNode *cf_node = (SL::ControlFlowNode *)p_node;
if (cf_node->flow_op == SL::FLOW_OP_IF) {
code += _mktab(p_level);
code += "if (";
code += _dump_node_code(cf_node->expressions[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += ")\n";
code += _dump_node_code(cf_node->blocks[0], p_level + 1, r_gen_code, p_actions, p_default_actions, p_assigning);
if (cf_node->blocks.size() == 2) {
code += _mktab(p_level);
code += "else\n";
code += _dump_node_code(cf_node->blocks[1], p_level + 1, r_gen_code, p_actions, p_default_actions, p_assigning);
}
} else if (cf_node->flow_op == SL::FLOW_OP_WHILE) {
code += _mktab(p_level);
code += "while (";
code += _dump_node_code(cf_node->expressions[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += ")\n";
code += _dump_node_code(cf_node->blocks[0], p_level + 1, r_gen_code, p_actions, p_default_actions, p_assigning);
} else if (cf_node->flow_op == SL::FLOW_OP_FOR) {
code += _mktab(p_level);
code += "for (";
code += _dump_node_code(cf_node->blocks[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "; ";
code += _dump_node_code(cf_node->expressions[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "; ";
code += _dump_node_code(cf_node->expressions[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += ")\n";
code += _dump_node_code(cf_node->blocks[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
} else if (cf_node->flow_op == SL::FLOW_OP_RETURN) {
code += _mktab(p_level);
code += "return";
if (cf_node->expressions.size()) {
code += " ";
code += _dump_node_code(cf_node->expressions[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
}
code += ";\n";
} else if (cf_node->flow_op == SL::FLOW_OP_DISCARD) {
if (p_actions.usage_flag_pointers.has("DISCARD") && !used_flag_pointers.has("DISCARD")) {
*p_actions.usage_flag_pointers["DISCARD"] = true;
used_flag_pointers.insert("DISCARD");
}
code += "discard;";
} else if (cf_node->flow_op == SL::FLOW_OP_CONTINUE) {
code += "continue;";
} else if (cf_node->flow_op == SL::FLOW_OP_BREAK) {
code += "break;";
}
} break;
case SL::Node::TYPE_MEMBER: {
SL::MemberNode *member_node = (SL::MemberNode *)p_node;
code += _dump_node_code(member_node->owner, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += ".";
code += member_node->name;
} break;
}
return code.as_string();
}