Initialize GLEW if libprojectM uses it.

projectM-visualizer · Apr 22, 2024 · fc03b87 · fc03b87
1 parent cb6c2ff
commit fc03b87
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Showing 2 changed files with 24 additions and 0 deletions.
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -43,6 +43,14 @@ else()
  )
 endif()
 
+# GLEW needs to be initialized if libprojectM depends on it.
+if(TARGET GLEW::glew OR TARGET GLEW::glew_s)
+ target_compile_definitions(projectMSDL
+ PRIVATE
+ USE_GLEW
+ )
+endif()
+
 set_source_files_properties(ProjectMSDLApplication.cpp PROPERTIES
  COMPILE_DEFINITIONS PROJECTMSDL_CONFIG_LOCATION=\"${DEFAULT_CONFIG_PATH}\"
  )

diff --git a/src/SDLRenderingWindow.cpp b/src/SDLRenderingWindow.cpp
@@ -8,6 +8,10 @@
 
 #include <Poco/Util/Application.h>
 
+#ifdef USE_GLEW
+#include <GL/glew.h>
+#endif
+
 #include <SDL2/SDL_opengl.h>
 
 const char* SDLRenderingWindow::name() const
@@ -266,6 +270,18 @@ void SDLRenderingWindow::CreateSDLWindow()
  SDL_GL_MakeCurrent(_renderingWindow, _glContext);
  UpdateSwapInterval();
 
+#ifdef USE_GLEW
+ auto glewError = glewInit();
+ if (glewError != GLEW_OK)
+ {
+ auto errorMessage = "Could not initialize GLEW. Error: " + std::string(reinterpret_cast<const char*>(glewGetErrorString(glewError)));
+ poco_fatal(_logger, errorMessage);
+ throw Poco::Exception(errorMessage);
+ }
+
+ poco_debug_f1(_logger, "Initialized GLEW: %s", std::string(reinterpret_cast<const char*>(glewGetString(GLEW_VERSION))));
+#endif
+
  if (_config->getBool("fullscreen", false))
  {
  Fullscreen();