Split camera frame render-graph stage recording helpers

new_editor/app/Features/Shared/BuiltInIcons.cpp

@@ -0,0 +1,147 @@
+#include "ProductBuiltInIcons.h"
+#include "EditorResources.h"
+
+#include <sstream>
+
+namespace XCEngine::UI::Editor::App {
+
+namespace {
+
+void AppendLoadError(
+    std::ostringstream& stream,
+    std::string_view label,
+    const std::string& error) {
+    if (error.empty()) {
+        return;
+    }
+
+    if (stream.tellp() > 0) {
+        stream << '\n';
+    }
+    stream << label << ": " << error;
+}
+
+bool LoadEmbeddedPngBytes(
+    UINT resourceId,
+    const std::uint8_t*& outData,
+    std::size_t& outSize,
+    std::string& outError) {
+    outData = nullptr;
+    outSize = 0u;
+    outError.clear();
+
+    HMODULE module = GetModuleHandleW(nullptr);
+    if (module == nullptr) {
+        outError = "GetModuleHandleW(nullptr) returned null.";
+        return false;
+    }
+
+    HRSRC resource = FindResourceW(module, MAKEINTRESOURCEW(resourceId), L"PNG");
+    if (resource == nullptr) {
+        outError = "FindResourceW failed.";
+        return false;
+    }
+
+    HGLOBAL resourceData = LoadResource(module, resource);
+    if (resourceData == nullptr) {
+        outError = "LoadResource failed.";
+        return false;
+    }
+
+    const DWORD resourceSize = SizeofResource(module, resource);
+    if (resourceSize == 0u) {
+        outError = "SizeofResource returned zero.";
+        return false;
+    }
+
+    const void* lockedBytes = LockResource(resourceData);
+    if (lockedBytes == nullptr) {
+        outError = "LockResource failed.";
+        return false;
+    }
+
+    outData = reinterpret_cast<const std::uint8_t*>(lockedBytes);
+    outSize = static_cast<std::size_t>(resourceSize);
+    return true;
+}
+
+void LoadEmbeddedPngTexture(
+    Host::NativeRenderer& renderer,
+    UINT resourceId,
+    std::string_view label,
+    ::XCEngine::UI::UITextureHandle& outTexture,
+    std::ostringstream& errorStream) {
+    const std::uint8_t* bytes = nullptr;
+    std::size_t byteCount = 0u;
+    std::string error = {};
+    if (!LoadEmbeddedPngBytes(resourceId, bytes, byteCount, error)) {
+        AppendLoadError(errorStream, label, error);
+        return;
+    }
+
+    error.clear();
+    if (!renderer.LoadTextureFromMemory(bytes, byteCount, outTexture, error)) {
+        AppendLoadError(errorStream, label, error);
+    }
+}
+
+} // namespace
+
+void ProductBuiltInIcons::Initialize(Host::NativeRenderer& renderer) {
+    Shutdown();
+
+    m_renderer = &renderer;
+
+    std::ostringstream errorStream = {};
+    LoadEmbeddedPngTexture(
+        renderer,
+        IDR_PNG_FOLDER_ICON,
+        "folder_icon.png",
+        m_folderIcon,
+        errorStream);
+    LoadEmbeddedPngTexture(
+        renderer,
+        IDR_PNG_GAMEOBJECT_ICON,
+        "gameobject_icon.png",
+        m_gameObjectIcon,
+        errorStream);
+    LoadEmbeddedPngTexture(
+        renderer,
+        IDR_PNG_SCENE_ICON,
+        "scene_icon.png",
+        m_sceneIcon,
+        errorStream);
+
+    m_lastError = errorStream.str();
+}
+
+void ProductBuiltInIcons::Shutdown() {
+    if (m_renderer != nullptr) {
+        m_renderer->ReleaseTexture(m_folderIcon);
+        m_renderer->ReleaseTexture(m_gameObjectIcon);
+        m_renderer->ReleaseTexture(m_sceneIcon);
+    }
+
+    m_renderer = nullptr;
+    m_lastError.clear();
+}
+
+const ::XCEngine::UI::UITextureHandle& ProductBuiltInIcons::Resolve(
+    ProductBuiltInIconKind kind) const {
+    switch (kind) {
+    case ProductBuiltInIconKind::Folder:
+        return m_folderIcon;
+    case ProductBuiltInIconKind::GameObject:
+        return m_gameObjectIcon;
+    case ProductBuiltInIconKind::Scene:
+        return m_sceneIcon;
+    default:
+        return m_folderIcon;
+    }
+}
+
+const std::string& ProductBuiltInIcons::GetLastError() const {
+    return m_lastError;
+}
+
+} // namespace XCEngine::UI::Editor::App