Extract renderer shader catalog

src/renderer_api/shader_catalog.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "foundation/result.h"
+
+#include <cstddef>
+#include <span>
+
+namespace pp::renderer {
+
+constexpr std::size_t max_shader_catalog_entries = 256;
+
+struct ShaderCatalogEntry {
+    const char* name = "";
+    const char* path = "";
+};
+
+[[nodiscard]] std::span<const ShaderCatalogEntry> panopainter_shader_catalog() noexcept;
+[[nodiscard]] pp::foundation::Status validate_shader_catalog(
+    std::span<const ShaderCatalogEntry> catalog) noexcept;
+
+}