Add some graphics tests.

src/windows/ui_interfaces/x11/GlxInterface.cpp

@@ -40,9 +40,8 @@ std::unique_ptr<GlxInterface> GlxInterface::Create()
 void GlxInterface::SetupContext(Display* display, int default_screen)
 {
     /* Query framebuffer configurations that match visual_attribs */
-    GLXFBConfig* fb_configs = nullptr;
     int num_fb_configs = 0;
-    fb_configs = glXChooseFBConfig(display, default_screen, visual_attribs, &num_fb_configs);
+    GLXFBConfig* fb_configs = glXChooseFBConfig(display, default_screen, visual_attribs, &num_fb_configs);
     if (!fb_configs || num_fb_configs == 0)
     {
         MLOG_ERROR("glXGetFBConfigs failed");

test/CMakeLists.txt

@@ -9,17 +9,19 @@ target_include_directories(test_utils PUBLIC
 
 list(APPEND TestFiles 
             audio/TestAudioWriter.cpp
-            audio/TestMidiReader.cpp)
+            audio/TestMidiReader.cpp
+            graphics/TestOpenGlRendering.cpp)
             
 list(APPEND TestNames
             TestAudioWriter
-            TestMidiReader)          
+            TestMidiReader
+            TestOpenGlRendering)          
             
 foreach(TestFile TestName IN ZIP_LISTS TestFiles TestNames)
     add_executable(${TestName} ${TestFile})
-    target_link_libraries(${TestName} PUBLIC core network database geometry audio graphics web test_utils)
+    target_link_libraries(${TestName} PUBLIC core network database geometry audio graphics web client test_utils)
 endforeach()
 
 
 add_executable(test_runner test_runner.cpp)
-target_link_libraries(test_runner PUBLIC core network database geometry audio graphics web)
+target_link_libraries(test_runner PUBLIC core network database geometry audio graphics web client)

test/graphics/TestOpenGlRendering.cpp

@@ -0,0 +1,42 @@
+#include "DesktopManager.h"
+#include "XcbInterface.h"
+
+#include "TestCase.h"
+#include "TestCaseRunner.h"
+
+#include <memory>
+#include <string>
+#include <iostream>
+
+class TestOpenGlRendering : public TestCase
+{
+public:
+    bool Run() override
+    {
+        auto desktopManager = DesktopManager::Create();
+
+        auto mainWindow = desktopManager->GetWindowManager()->GetMainWindow();
+        mainWindow->SetSize(800, 600);
+
+        bool useOpenGl = true;
+        XcbInterface window_interface;
+        window_interface.SetUseOpenGl(true);
+        window_interface.Initialize(desktopManager.get());
+        window_interface.AddWindow(mainWindow, desktopManager.get());
+        window_interface.ShowWindow(mainWindow);
+        window_interface.CreateOpenGlDrawable(mainWindow);
+        window_interface.Loop(desktopManager.get());
+        window_interface.ShutDown();
+
+        return true;
+    }
+};
+
+int main()
+{
+    TestCaseRunner runner;
+    runner.AddTestCase("TestOpenGlRendering", std::make_unique<TestOpenGlRendering>());
+
+    const auto testsPassed = runner.Run();
+    return testsPassed ? 0 : -1;
+}