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-rw-r--r--tests/test_shader_lang.cpp361
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diff --git a/tests/test_shader_lang.cpp b/tests/test_shader_lang.cpp
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--- a/tests/test_shader_lang.cpp
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-/*************************************************************************/
-/* test_shader_lang.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
-
-#include "test_shader_lang.h"
-
-#include "core/os/file_access.h"
-#include "core/os/main_loop.h"
-#include "core/os/os.h"
-
-#include "core/print_string.h"
-#include "scene/gui/control.h"
-#include "scene/gui/text_edit.h"
-#include "servers/rendering/shader_language.h"
-
-typedef ShaderLanguage SL;
-
-namespace TestShaderLang {
-
-static String _mktab(int p_level) {
- String tb;
- for (int i = 0; i < p_level; i++) {
- tb += "\t";
- }
-
- return tb;
-}
-
-static String _typestr(SL::DataType p_type) {
- return ShaderLanguage::get_datatype_name(p_type);
-}
-
-static String _prestr(SL::DataPrecision p_pres) {
- switch (p_pres) {
- case SL::PRECISION_LOWP:
- return "lowp ";
- case SL::PRECISION_MEDIUMP:
- return "mediump ";
- case SL::PRECISION_HIGHP:
- return "highp ";
- case SL::PRECISION_DEFAULT:
- return "";
- }
- return "";
-}
-
-static String _opstr(SL::Operator p_op) {
- return ShaderLanguage::get_operator_text(p_op);
-}
-
-static String get_constant_text(SL::DataType p_type, const Vector<SL::ConstantNode::Value> &p_values) {
- switch (p_type) {
- case SL::TYPE_BOOL:
- return p_values[0].boolean ? "true" : "false";
- case SL::TYPE_BVEC2:
- return String() + "bvec2(" + (p_values[0].boolean ? "true" : "false") + (p_values[1].boolean ? "true" : "false") + ")";
- case SL::TYPE_BVEC3:
- return String() + "bvec3(" + (p_values[0].boolean ? "true" : "false") + "," + (p_values[1].boolean ? "true" : "false") + "," + (p_values[2].boolean ? "true" : "false") + ")";
- case SL::TYPE_BVEC4:
- return String() + "bvec4(" + (p_values[0].boolean ? "true" : "false") + "," + (p_values[1].boolean ? "true" : "false") + "," + (p_values[2].boolean ? "true" : "false") + "," + (p_values[3].boolean ? "true" : "false") + ")";
- case SL::TYPE_INT:
- return rtos(p_values[0].sint);
- case SL::TYPE_IVEC2:
- return String() + "ivec2(" + rtos(p_values[0].sint) + "," + rtos(p_values[1].sint) + ")";
- case SL::TYPE_IVEC3:
- return String() + "ivec3(" + rtos(p_values[0].sint) + "," + rtos(p_values[1].sint) + "," + rtos(p_values[2].sint) + ")";
- case SL::TYPE_IVEC4:
- return String() + "ivec4(" + rtos(p_values[0].sint) + "," + rtos(p_values[1].sint) + "," + rtos(p_values[2].sint) + "," + rtos(p_values[3].sint) + ")";
- case SL::TYPE_UINT:
- return rtos(p_values[0].real);
- case SL::TYPE_UVEC2:
- return String() + "uvec2(" + rtos(p_values[0].real) + "," + rtos(p_values[1].real) + ")";
- case SL::TYPE_UVEC3:
- return String() + "uvec3(" + rtos(p_values[0].real) + "," + rtos(p_values[1].real) + "," + rtos(p_values[2].real) + ")";
- case SL::TYPE_UVEC4:
- return String() + "uvec4(" + rtos(p_values[0].real) + "," + rtos(p_values[1].real) + "," + rtos(p_values[2].real) + "," + rtos(p_values[3].real) + ")";
- case SL::TYPE_FLOAT:
- return rtos(p_values[0].real);
- case SL::TYPE_VEC2:
- return String() + "vec2(" + rtos(p_values[0].real) + "," + rtos(p_values[1].real) + ")";
- case SL::TYPE_VEC3:
- return String() + "vec3(" + rtos(p_values[0].real) + "," + rtos(p_values[1].real) + "," + rtos(p_values[2].real) + ")";
- case SL::TYPE_VEC4:
- return String() + "vec4(" + rtos(p_values[0].real) + "," + rtos(p_values[1].real) + "," + rtos(p_values[2].real) + "," + rtos(p_values[3].real) + ")";
- default:
- ERR_FAIL_V(String());
- }
-}
-
-static String dump_node_code(SL::Node *p_node, int p_level) {
- String code;
-
- switch (p_node->type) {
- case SL::Node::TYPE_SHADER: {
- SL::ShaderNode *pnode = (SL::ShaderNode *)p_node;
-
- for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = pnode->uniforms.front(); E; E = E->next()) {
- String ucode = "uniform ";
- ucode += _prestr(E->get().precision);
- ucode += _typestr(E->get().type);
- ucode += " " + String(E->key());
-
- if (E->get().default_value.size()) {
- ucode += " = " + get_constant_text(E->get().type, E->get().default_value);
- }
-
- static const char *hint_name[SL::ShaderNode::Uniform::HINT_MAX] = {
- "",
- "color",
- "range",
- "albedo",
- "normal",
- "black",
- "white"
- };
-
- if (E->get().hint) {
- ucode += " : " + String(hint_name[E->get().hint]);
- }
-
- code += ucode + "\n";
- }
-
- for (Map<StringName, SL::ShaderNode::Varying>::Element *E = pnode->varyings.front(); E; E = E->next()) {
- String vcode = "varying ";
- vcode += _prestr(E->get().precision);
- vcode += _typestr(E->get().type);
- vcode += " " + String(E->key());
-
- code += vcode + "\n";
- }
- for (int i = 0; i < pnode->functions.size(); i++) {
- SL::FunctionNode *fnode = pnode->functions[i].function;
-
- String header;
- header = _typestr(fnode->return_type) + " " + fnode->name + "(";
- for (int j = 0; j < fnode->arguments.size(); j++) {
- if (j > 0) {
- header += ", ";
- }
- header += _prestr(fnode->arguments[j].precision) + _typestr(fnode->arguments[j].type) + " " + fnode->arguments[j].name;
- }
-
- header += ")\n";
- code += header;
- code += dump_node_code(fnode->body, p_level + 1);
- }
-
- //code+=dump_node_code(pnode->body,p_level);
- } break;
- case SL::Node::TYPE_STRUCT: {
- } 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) + " " + E->key() + ";\n";
- }
-
- for (int i = 0; i < bnode->statements.size(); i++) {
- String scode = dump_node_code(bnode->statements[i], p_level);
-
- if (bnode->statements[i]->type == SL::Node::TYPE_CONTROL_FLOW) {
- 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;
- code = vnode->name;
-
- } break;
- case SL::Node::TYPE_VARIABLE_DECLARATION: {
- // FIXME: Implement
- } break;
- case SL::Node::TYPE_ARRAY: {
- SL::ArrayNode *vnode = (SL::ArrayNode *)p_node;
- code = vnode->name;
- } break;
- case SL::Node::TYPE_ARRAY_DECLARATION: {
- // FIXME: Implement
- } break;
- case SL::Node::TYPE_ARRAY_CONSTRUCT: {
- // FIXME: Implement
- } 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:
- code = dump_node_code(onode->arguments[0], p_level) + _opstr(onode->op) + dump_node_code(onode->arguments[1], p_level);
- 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);
- break;
- case SL::OP_POST_DECREMENT:
- case SL::OP_POST_INCREMENT:
- code = dump_node_code(onode->arguments[0], p_level) + _opstr(onode->op);
- break;
- case SL::OP_CALL:
- case SL::OP_CONSTRUCT:
- code = dump_node_code(onode->arguments[0], p_level) + "(";
- for (int i = 1; i < onode->arguments.size(); i++) {
- if (i > 1) {
- code += ", ";
- }
- code += dump_node_code(onode->arguments[i], p_level);
- }
- code += ")";
- break;
- default: {
- code = "(" + dump_node_code(onode->arguments[0], p_level) + _opstr(onode->op) + dump_node_code(onode->arguments[1], p_level) + ")";
- 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) + ")\n";
- code += dump_node_code(cfnode->blocks[0], p_level + 1);
- if (cfnode->blocks.size() == 2) {
- code += _mktab(p_level) + "else\n";
- code += dump_node_code(cfnode->blocks[1], p_level + 1);
- }
-
- } else if (cfnode->flow_op == SL::FLOW_OP_RETURN) {
- if (cfnode->blocks.size()) {
- code = "return " + dump_node_code(cfnode->blocks[0], p_level);
- } else {
- code = "return";
- }
- }
-
- } break;
- case SL::Node::TYPE_MEMBER: {
- SL::MemberNode *mnode = (SL::MemberNode *)p_node;
- code = dump_node_code(mnode->owner, p_level) + "." + mnode->name;
-
- } break;
- }
-
- return code;
-}
-
-static Error recreate_code(void *p_str, SL::ShaderNode *p_program) {
- String *str = (String *)p_str;
-
- *str = dump_node_code(p_program, 0);
-
- return OK;
-}
-
-MainLoop *test() {
- List<String> cmdlargs = OS::get_singleton()->get_cmdline_args();
-
- if (cmdlargs.empty()) {
- //try editor!
- print_line("usage: godot -test shader_lang <shader>");
- return nullptr;
- }
-
- String test = cmdlargs.back()->get();
-
- FileAccess *fa = FileAccess::open(test, FileAccess::READ);
-
- if (!fa) {
- ERR_FAIL_V(nullptr);
- }
-
- String code;
-
- while (true) {
- char32_t c = fa->get_8();
- if (fa->eof_reached()) {
- break;
- }
- code += c;
- }
-
- SL sl;
- print_line("tokens:\n\n" + sl.token_debug(code));
-
- Map<StringName, SL::FunctionInfo> dt;
- dt["fragment"].built_ins["ALBEDO"] = SL::TYPE_VEC3;
- dt["fragment"].can_discard = true;
-
- Vector<StringName> rm;
- rm.push_back("popo");
- Set<String> types;
- types.insert("spatial");
-
- Error err = sl.compile(code, dt, rm, types, nullptr);
-
- if (err) {
- print_line("Error at line: " + rtos(sl.get_error_line()) + ": " + sl.get_error_text());
- return nullptr;
- } else {
- String code2;
- recreate_code(&code2, sl.get_shader());
- print_line("code:\n\n" + code2);
- }
-
- return nullptr;
-}
-
-} // namespace TestShaderLang
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 19:18:26 +0000