dhkatzandClaude Opus 5.5
05a7be5d41
CI / build (push) Successful in 1m31s
The frame pacer repaints the client's 3D windows at the user's frame rate (HKCU\Software\T5DE\Graphics\FrameRate: 30, the default, adds nothing; 60, 120, 240, 360; 0 uncapped), so the client draws frames between its 30-per-second steps. Only when affordable: a window is asked once its last frame is drawn, and only if its frames take under three quarters of the interval; uncapped, the client is left idle a third of a frame between frames. The engine's stats now log frames per second. The extra frames show the same scene for now. Co-Authored-By: Claude Opus 5.5 <[email protected]>
77 lines
3.1 KiB
C++
77 lines
3.1 KiB
C++
// The renderer plugin's entry points, which SceneWindow.dll's createDLLRenderer looks up by name (exported
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// undecorated by plugin.def). The engine is the adapter's (engine.hpp): IMVU's Direct3D engine draws, and the
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// renderer process draws over part of it.
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#include <windows.h>
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#include <exception>
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#include <string_view>
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#include "log.hpp"
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#include "engine.hpp"
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#include "recorder.hpp"
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#include "renderer_process.hpp"
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#include "t5de/imvu/render_engine.hpp"
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namespace {
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using namespace t5de;
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// IMVU's Direct3D 9 engine, made by SceneWindow.dll (already loaded: it's what loads this plugin). Direct3D
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// rather than IMVU's OpenGL engine, which needs a real graphics driver: Direct3D also works on Windows' basic
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// display driver (virtual machines), and it's what most players use.
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imvu::SharedPtr<imvu::PiRenderEngine> create_imvu_engine(imvu::SharedPtr<imvu::INativeWindow> window)
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{
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HMODULE scene_window = GetModuleHandleW(L"SceneWindow.dll");
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auto create = scene_window == nullptr
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? nullptr
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: reinterpret_cast<imvu::CreateRenderer>(GetProcAddress(scene_window, imvu::createRendererName));
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if (create == nullptr) {
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log::info("SceneWindow.dll's createRenderer not found");
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return {};
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}
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return create(std::move(window), imvu::RendererType::Direct3D);
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}
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// What the renderer process draws: T5DE_RENDERER_VIEW=off, split (the right half), full (the default) or compare.
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// (The renderer process can also be switched while it runs: renderer/main.cpp.)
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protocol::View view()
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{
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wchar_t value[16] = {};
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GetEnvironmentVariableW(L"T5DE_RENDERER_VIEW", value, 16);
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const std::wstring_view setting = value;
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return setting == L"off" ? protocol::View::Off
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: setting == L"split" ? protocol::View::Split
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: setting == L"compare" ? protocol::View::Compare
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: protocol::View::Full;
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}
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} // namespace
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extern "C" int __cdecl isRenderEngineSupported() { return 1; }
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// Returns a C++ object from a C-linkage function: fine here, the caller is C++ built for the same ABI.
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#pragma warning(suppress : 4190)
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extern "C" imvu::SharedPtr<imvu::PiRenderEngine> __cdecl createRenderEngine(imvu::SharedPtr<imvu::INativeWindow> window)
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{
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try {
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log::info("createRenderEngine: window {}", static_cast<void*>(window.get()));
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HWND hwnd = window ? window->getPlatformWindow() : nullptr;
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auto inner = create_imvu_engine(std::move(window));
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if (!inner) {
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return {};
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}
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const protocol::View shown = view();
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auto renderer = hwnd != nullptr && shown != protocol::View::Off ? RendererProcess::start(hwnd, shown) : nullptr;
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return imvu::SharedPtr<imvu::PiRenderEngine>(std::make_unique<Engine>(
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std::move(inner), std::make_shared<Recorder>(std::move(renderer)), hwnd));
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} catch (const std::exception& e) {
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// Exceptions mustn't cross into IMVU's code (a different C++ runtime).
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log::info("createRenderEngine failed: {}", e.what());
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return {};
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} catch (...) {
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log::info("createRenderEngine failed");
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return {};
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}
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}
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