Add comment to COpenGLShader

Author: deprilula28

src/nbl/video/COpenGLShader.cpp

@@ -10,6 +10,7 @@ using namespace nbl::video;
 
 // TODO: deduce the following in COpenGLPhysicalDevice from the OpenGL extension presence, and then add the defines as standardy from IPhysicalDevice : addCommonGLSLDefines() instead
 // The subgroup stuff is a bit hard cause we made up "extra" extensions such as `NBL_GL_KHR_shader_subgroup_ballot_inverse_ballot_bit_count` (probably best to expose as extra features)
+// [TODO] Clean this up with new define injection https://github.com/Devsh-Graphics-Programming/Nabla/pull/394 and redo prefix sum sample/workgroup ops example
 const char* COpenGLShader::k_openGL2VulkanExtensionMap = R"(
 #ifdef NBL_GLSL_IMPL_GL_AMD_gpu_shader_half_float
 #define NBL_GL_EXT_shader_explicit_arithmetic_types_float16