"# else\n"
"# ifdef USESHADOWSAMPLER\n"
"# ifdef USESHADOWMAPPCF\n"
-"# define texval(x, y) dp_shadow2D(Texture_ShadowMap2D, vec3(center + vec2(x, y)*ShadowMap_TextureScale, shadowmaptc.z)) \n"
-" vec2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n"
-" f = dot(vec4(0.25), vec4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
+"# define texval(off) dp_shadow2D(Texture_ShadowMap2D, vec3((center + off)*ShadowMap_TextureScale, shadowmaptc.z)) \n"
+" vec2 offset = fract(shadowmaptc.xy - 0.5), center = shadowmaptc.xy - offset;\n"
+" vec4 size = vec4(offset + 1.0, 2.0 - offset), weight = vec4(2.0 - 1.0 / size.xy, 1.0 / size.zw - 1.0);\n"
+" f = (1.0/9.0)*dot(size.zxzx*size.wwyy, vec4(texval(weight.zw), texval(weight.xw), texval(weight.zy), texval(weight.xy)));\n"
+"//# define texval(x, y) dp_shadow2D(Texture_ShadowMap2D, vec3(center + vec2(x, y)*ShadowMap_TextureScale, shadowmaptc.z)) \n"
+"// vec2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n"
+"// f = dot(vec4(0.25), vec4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
"# else\n"
" f = dp_shadow2D(Texture_ShadowMap2D, vec3(shadowmaptc.xy*ShadowMap_TextureScale, shadowmaptc.z));\n"
"# endif\n"