-"# 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"
+"# ifdef USEDEPTHRGB\n"
+"# ifdef USESHADOWMAPPCF\n"
+"# define texval(x, y) decodedepthmacro(dp_texture2D(Texture_ShadowMap2D, center + vec2(x, y)*ShadowMap_TextureScale))\n"
+"# if USESHADOWMAPPCF > 1\n"
+" vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
+" center *= ShadowMap_TextureScale;\n"
+" vec4 row1 = step(shadowmaptc.z, vec4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
+" vec4 row2 = step(shadowmaptc.z, vec4(texval(-1.0, 0.0), texval( 0.0, 0.0), texval( 1.0, 0.0), texval( 2.0, 0.0)));\n"
+" vec4 row3 = step(shadowmaptc.z, vec4(texval(-1.0, 1.0), texval( 0.0, 1.0), texval( 1.0, 1.0), texval( 2.0, 1.0)));\n"
+" vec4 row4 = step(shadowmaptc.z, vec4(texval(-1.0, 2.0), texval( 0.0, 2.0), texval( 1.0, 2.0), texval( 2.0, 2.0)));\n"
+" vec4 cols = row2 + row3 + mix(row1, row4, offset.y);\n"
+" f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"