Fix reached macOS UI primitives and audio fade behavior

extension/tests/port_app_loop_test.cpp

@@ -20,6 +20,7 @@
 #include "../src/platform/ScriptLib/PythonHost.h"
 #include "../src/platform/UserInterface/UserInterface.h"
 #include "../src/platform/EterLib/UIRenderCommands.h"
+#include "EterLib/GrpScreen.h"
 #include <dinput.h> // DIK_ESCAPE
 
 #include <cmath>
@@ -108,9 +109,31 @@ static void frames(int count)
 		PythonBoot::UIUpdate();
 }
 
+static void drawing_primitives()
+{
+	UIRenderSetSize(800, 600);
+	UIRenderBeginFrame();
+	CScreen screen;
+	screen.SetDiffuseColor(0xFF123456u);
+	screen.RenderBox2d(10, 20, 30, 40);
+	screen.RenderGradationBar2d(50, 60, 70, 80, 0xFF102030u, 0xFF405060u);
+	const auto& commands = UIRenderCommands();
+	CHECK(commands.size() == 5);
+	if (commands.size() == 5)
+	{
+		CHECK(commands[0].kind == UIRenderCommand::Line && near(commands[0].x1, 10) && near(commands[0].y2, 20));
+		CHECK(commands[3].kind == UIRenderCommand::Line && near(commands[3].x2, 31));
+		CHECK(commands[4].kind == UIRenderCommand::GradientBar && commands[4].argb == 0xFF102030u &&
+			commands[4].end_argb == 0xFF405060u);
+	}
+	UIRenderSetSize(0, 0);
+	UIRenderBeginFrame();
+}
+
 
 int main(int argc, char** argv)
 {
+	drawing_primitives();
 	const char* strict = std::getenv("MT_ASSETS_STRICT");
 	const bool is_strict = strict && std::string(strict) == "1";
 	const std::string client = argc > 1 ? argv[1] : "";