Correct TeamCount return type and team argument type
#5889: Do post-processing only on viewport portion of frame buffer.
Use specular texture RGB as specular reflectance, multiplied by per-material value.
Merge remote-tracking branch 'upstream/master'
Show surface names in excessive vertexes and triangles warnings

Add newlines to renderergl2's R_LoadMD3 vertex and triangle warnings.
Merge remote-tracking branch 'upstream/master'