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126 lines
3.1 KiB
PHP
126 lines
3.1 KiB
PHP
<?php
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if ( ! file_exists(__DIR__ . "/../resources/gl.xml")) {
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copy("https://cvs.khronos.org/svn/repos/ogl/trunk/doc/registry/public/api/gl.xml", __DIR__ . "/../resources/gl.xml");
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}
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$types = [
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"int" => [
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"char",
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"unsigned char",
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"int",
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"unsigned int",
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"short",
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"unsigned short",
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"long",
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"unsigned long",
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"long long",
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"unsigned long long",
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"GLsizeiptr",
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"GLintptr",
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"GLenum",
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"GLboolean",
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"GLbitfield",
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"GLvoid",
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"GLbyte",
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"GLshort",
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"GLint",
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"GLubyte",
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"GLushort",
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"GLuint",
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"GLsizei",
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"GLchar",
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"GLsizeiptr",
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"GLintptr",
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"GLsync",
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"GLeglImageOES",
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"GLeglClientBufferEXT",
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"GLuint64",
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"GLint64",
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"GLuint64EXT",
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"GLint64EXT",
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"GLfixed",
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"GLhalfNV",
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"GLhandleARB",
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"GLcharARB",
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"GLintptrARB",
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"GLsizeiptrARB",
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"GLclampx",
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],
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"float" => [
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'GLfloat',
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'GLdouble',
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'float',
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'double',
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],
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];
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$xml = new DOMDocument();
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$xml->loadXML(file_get_contents(__DIR__ . "/../resources/gl.xml"));
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$commands = $xml->getElementsByTagName("commands")->item(0);
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$data = file_get_contents(__DIR__ . "/../headers/gl.h");
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$data .= "// GENERATED DATA START\n\n";
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$php = "<?php\n\nuse Cijber\GraphicsToolkit\GL;\nuse FFI\Cdata;\n\n// generated gl functions\n\n";
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/** @var DOMNode $node */
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foreach ($commands->childNodes as $node) {
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if ($node->nodeName !== "command") {
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continue;
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}
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/** @var DOMElement $node */
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$proto = $node->getElementsByTagName("proto")->item(0);
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/** @var DOMElement $name */
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$name = $proto->getElementsByTagName("name")[0];
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$name->remove();
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$returnType = trim($proto->textContent);
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$functionName = trim($name->textContent);
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$args = [];
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$names = [];
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$phpArgs = [];
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foreach ($node->getElementsByTagName("param") as $param) {
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$name = $param->getElementsByTagName('name')->item(0);
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$name->remove();
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$type = trim($param->textContent);;
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if (($type === 'void *' || $type === 'const void *') && $functionName === 'glVertexAttribPointer' || $functionName === 'glDrawElements') {
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$type = 'unsigned long long';
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}
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$phpType = "";
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foreach ($types as $foundPhpType => $cTypes) {
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if (false !== array_search($type, $cTypes)) {
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$phpType = $foundPhpType;
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break;
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}
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}
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if ($phpType !== "") {
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$phpArgs[] = $phpType . ' $' . $name->textContent;
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} else {
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$phpArgs[] = '$' . $name->textContent;
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}
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$names[] = '$' . $name->textContent;
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$args[] = $type;
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}
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$data .= "typedef $returnType (* FUNC_$functionName) (" . implode(", ", $args) . ");\n";
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$functionBody = "(" . implode(", ", $phpArgs) . ") {\n static \$proc;\n return (\$proc ??= GL::getProcAddress('" . strtolower($functionName[2]) . substr($functionName, 3) . "'))(" . implode(", ", $names) . ");\n}\n\n";;
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$php .= "function $functionName$functionBody";
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}
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file_put_contents(__DIR__ . "/../headers/gl_generated.h", $data);
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file_put_contents(__DIR__ . "/../src/gl_functions.php", $php); |