Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/imbuf/intern/module.cc

@@ -0,0 +1,69 @@
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup imbuf
+ */
+
+#include <cstddef>
+
+#include "BLI_assert.h"
+#include "BLI_mutex.hh"
+#include "BLI_threads.h"
+
+#include "GPU_context.hh"
+
+#include "IMB_colormanagement_intern.hh"
+#include "IMB_filetype.hh"
+#include "IMB_imbuf.hh"
+
+namespace blender {
+
+static gpu::GPUSecondaryContextData g_gpu_context;
+static Mutex g_gpu_context_mutex;
+
+void IMB_init()
+{
+  imb_filetypes_init();
+  colormanagement_init();
+}
+
+void IMB_exit()
+{
+  imb_filetypes_exit();
+  colormanagement_exit();
+
+  if (g_gpu_context.gpu_context) {
+    gpu::GPU_destroy_secondary_context(g_gpu_context);
+  }
+}
+
+void IMB_ensure_gpu_context()
+{
+  BLI_assert(BLI_thread_is_main());
+
+  if (g_gpu_context.gpu_context) {
+    return;
+  }
+
+  g_gpu_context = gpu::GPU_create_secondary_context();
+}
+
+void IMB_activate_gpu_context()
+{
+  BLI_assert(g_gpu_context.gpu_context);
+
+  g_gpu_context_mutex.lock();
+  gpu::GPU_activate_secondary_context(g_gpu_context);
+}
+
+void IMB_deactivate_gpu_context()
+{
+  BLI_assert(g_gpu_context.gpu_context);
+
+  gpu::GPU_deactivate_secondary_context(g_gpu_context);
+  g_gpu_context_mutex.unlock();
+}
+
+}  // namespace blender