also discard pixels in front of nearplane

2017-05-25 19:55:55 -07:00
parent 2b9c67b07c
commit 723b356667
1 changed files with 2 additions and 1 deletions
--- a/examples/TinyRenderer/our_gl.cpp
+++ b/examples/TinyRenderer/our_gl.cpp
@@ -182,7 +182,8 @@ void triangle(mat<4,3,float> &clipc, IShader &shader, TGAImage &image, float *zb
            bool discard = shader.fragment(bc_clip, color);
 			if (frag_depth<-shader.m_farPlane)
 				discard=true;
-
+			if (frag_depth>-shader.m_nearPlane)
+				discard=true;
            if (!discard) {
                zbuffer[P.x+P.y*image.get_width()] = frag_depth;
                if (segmentationMaskBuffer)