Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/gpu/GPU_pass.hh

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+/* SPDX-FileCopyrightText: 2025 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup gpu
+ *
+ * Generate and cache shaders generated from the intermediate node graph.
+ */
+
+#pragma once
+
+#include "GPU_material.hh"
+#include "GPU_shader.hh"
+
+namespace blender {
+
+struct GPUNodeGraph;
+
+struct GPUPass;
+
+enum GPUPassStatus {
+  GPU_PASS_FAILED = 0,
+  GPU_PASS_QUEUED,
+  GPU_PASS_SUCCESS,
+};
+
+GPUPass *GPU_generate_pass(GPUMaterial *material,
+                           GPUNodeGraph *graph,
+                           const char *debug_name,
+                           eGPUMaterialEngine engine,
+                           bool deferred_compilation,
+                           GPUCodegenCallbackFn finalize_source_cb,
+                           void *thunk,
+                           bool optimize_graph);
+
+GPUPassStatus GPU_pass_status(GPUPass *pass);
+bool GPU_pass_should_optimize(GPUPass *pass);
+void GPU_pass_ensure_its_ready(GPUPass *pass);
+gpu::Shader *GPU_pass_shader_get(GPUPass *pass);
+void GPU_pass_acquire(GPUPass *pass);
+void GPU_pass_release(GPUPass *pass);
+
+uint64_t GPU_pass_global_compilation_count();
+uint64_t GPU_pass_compilation_timestamp(GPUPass *pass);
+
+void GPU_pass_cache_init();
+void GPU_pass_cache_update();
+void GPU_pass_cache_wait_for_all();
+void GPU_pass_cache_free();
+
+}  // namespace blender