Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/datatoc/CMakeLists.txt

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: 2023 Blender Authors
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+
+# -----------------------------------------------------------------------------
+# Build `datatoc` executable.
+set(SRC
+  datatoc.cc
+)
+
+# `SRC_DNA_INC` is defined in the parent directory.
+add_executable(datatoc ${SRC})
+if(EMSCRIPTEN)
+  target_link_options(datatoc PRIVATE
+    "-sMODULARIZE=0" "-sEXPORT_ES6=0" "-sENVIRONMENT=node" "-sEXIT_RUNTIME=1"
+    "-sNODERAWFS=1")
+  add_custom_command(TARGET datatoc POST_BUILD
+    COMMAND chmod +x "$<TARGET_FILE:datatoc>")
+endif()
+optimize_debug_target(datatoc)

blender-5.2.0/source/blender/datatoc/datatoc.cc

@@ -0,0 +1,124 @@
+/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup datatoc
+ */
+
+#include <algorithm>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <filesystem>
+#include <iostream>
+
+// #define VERBOSE
+
+#define STRPREFIX(a, b) (strncmp((a), (b), strlen(b)) == 0)
+
+static char *arg_basename(char *string)
+{
+  char *lfslash, *lbslash;
+
+  lfslash = strrchr(string, '/');
+  lbslash = strrchr(string, '\\');
+  if (lbslash) {
+    lbslash++;
+  }
+  if (lfslash) {
+    lfslash++;
+  }
+
+  return std::max({string, lfslash, lbslash});
+}
+
+int main(int argc, char **argv)
+{
+  FILE *fpin, *fpout;
+  long size;
+  int i;
+  int argv_len;
+
+  if (argc < 3 || argc > 4) {
+    printf("Usage: datatoc <data_file_from> <data_file_to> [<symbol_name_override>]\n");
+    exit(1);
+  }
+
+  fpin = fopen(argv[1], "rb");
+  if (!fpin) {
+    printf("Unable to open input <%s>\n", argv[1]);
+    exit(1);
+  }
+
+  /* Use the optional symbol name override, otherwise derive from the input filename. */
+  argv[1] = (argc >= 4) ? argv[3] : arg_basename(argv[1]);
+
+  fseek(fpin, 0L, SEEK_END);
+  size = ftell(fpin);
+  fseek(fpin, 0L, SEEK_SET);
+
+  if (argv[1][0] == '.') {
+    argv[1]++;
+  }
+
+#ifdef VERBOSE
+  printf("Making C file <%s>\n", argv[2]);
+#endif
+
+  /* We make the required directories here rather than having the build system
+   * do the work for us, as having cmake do it leads to several thousand cmake
+   * instances being launched, leading to significant overhead, see pr #141404
+   * for details. */
+  std::filesystem::path parent_dir = std::filesystem::path(argv[2]).parent_path();
+  std::error_code ec;
+  if (!std::filesystem::create_directories(parent_dir, ec)) {
+    if (ec) {
+      std::cerr << "Unable to create " << parent_dir << " : " << ec.message() << std::endl;
+      exit(1);
+    }
+  }
+
+  argv_len = int(strlen(argv[1]));
+  for (i = 0; i < argv_len; i++) {
+    if (argv[1][i] == '.') {
+      argv[1][i] = '_';
+    }
+  }
+
+  fpout = fopen(argv[2], "w");
+  if (!fpout) {
+    fprintf(stderr, "Unable to open output <%s>\n", argv[2]);
+    exit(1);
+  }
+
+  fprintf(fpout, "/* DataToC output of file <%s> */\n\n", argv[1]);
+
+  /* Quiet 'missing-variable-declarations' warning. */
+  fprintf(fpout, "extern const int datatoc_%s_size;\n", argv[1]);
+  fprintf(fpout, "extern const char datatoc_%s[];\n\n", argv[1]);
+
+  fprintf(fpout, "const int datatoc_%s_size = %d;\n", argv[1], int(size));
+  fprintf(fpout, "const char datatoc_%s[] = {\n", argv[1]);
+
+  while (size--) {
+    /* Even though this file is generated and doesn't need new-lines,
+     * these files may be loaded by developers when looking up symbols.
+     * Avoid a very long single line that may lock-up some editors. */
+    if (size % 32 == 31) {
+      fprintf(fpout, "\n");
+    }
+
+    // fprintf(fpout, "\\x%02x", getc(fpin));
+    fprintf(fpout, "%3d,", getc(fpin));
+  }
+
+  /* Trailing null terminator, this isn't needed in some cases and
+   * won't be taken into account by the size variable, but its useful when dealing with
+   * null terminated string data. */
+  fprintf(fpout, "0\n};\n\n");
+
+  fclose(fpin);
+  fclose(fpout);
+  return 0;
+}