laceyliao/SimpleSoftrRenderer_Rasterization

A tiny soft-renderer built from an existing framework using C++ 11

SimpleSoftrRenderer_Rasterization

A tiny soft-renderer built from an existing framework using C++ 11

Bresenham

Homogeneous Space Clipping

reference

std::vector<TRShaderPipeline::VertexData> TRRenderer::cliping(
		const TRShaderPipeline::VertexData &v0,
		const TRShaderPipeline::VertexData &v1,
		const TRShaderPipeline::VertexData &v2) const
{
    std::vector<TRShaderPipeline::VertexData> in_list, in_list1, in_list2, in_list3;
    clip_with_w({ v0,v1,v2 },in_list);//clip with w
    clip_with_plane(0, in_list, in_list1);//clip with w=x,w=-x
    clip_with_plane(1, in_list1, in_list2);//clip with w=y,w=-y
    clip_with_plane(2, in_list2, in_list3);//clip with w=z,w=-z
	return in_list3;
}

Back Face Culling

left: without back face culling. right: apply back face culling.

Triangle rasterization based on Edge-function with 4xMSAA

Result

Acknowledgement

The framework is derived from ZeusYang's TinySoftRenderer.