OpenGL

Load massive assembly geometry into VBOs

Apply PBR (Physically Based Rendering) shaders via GLSL

Enable MSAA for smooth edge visualization

Utilize FBOs for real-time shadow generation

Implement a rendering abstraction layer

Use OpenGL 3.3 Core Profile for maximum compatibility

Load assets via STB_Image and TinyObjLoader

Compile shaders at runtime to handle various GPU vendors

Upload 2D DICOM slices as a 3D texture

Write a volume ray-casting shader in GLSL

Implement transfer functions for density mapping

Render to a high-bit-depth framebuffer for accuracy

Stream coordinates into a Dynamic Draw buffer

Use Point Sprites for efficient rendering of millions of markers

Apply color-coding via vertex attributes

Use compute shaders for real-time heat map generation

Implement wireframe and shaded overlay modes

Utilize hardware picking for object selection

Update mesh data dynamically using glBufferSubData

Integrate with UI toolkits like Qt or ImGui

Sync multiple OpenGL contexts across display outputs

Use instanced rendering for foliage and urban structures

Apply atmospheric scattering shaders

Optimize with Frustum Culling to maintain 60+ FPS

Start with basic triangle rendering using VAOs

Introduce transformation matrices (MVP)

Teach lighting models (Phong/Blinn-Phong)

Explore texture mapping and alpha blending