精简的软栅格化渲染器,便于学习,实验用
- VertexShader - to clip space
- VertexShader-PostProcessing - Perspective divide & Perspective correct
- PrimitiveAssembly - only triangle now
- Simply clip vertex - clip the vertex which out of ndc space[-1,1]
- Facing cull - culling the back/front
- Rasterizer and FragmentShader