M res/shaders/xbr.shader/xbr.fs → res/shaders/xbr.shader/xbr.fs

@@ -24,13 +24,56 @@
 
    Incorporates some of the ideas from SABR shader. Thanks to Joshua Street.
 */
+
+#define XBR_Y_WEIGHT 48.0
+#define XBR_EQ_THRESHOLD 10.0
+#define XBR_EQ_THRESHOLD2 2.0
+#define XBR_LV2_COEFFICIENT 2.0
+
+const mat3 yuv = mat3(0.299, 0.587, 0.114, -0.169, -0.331, 0.499, 0.499, -0.418, -0.0813);
+const vec4 delta = vec4(0.4, 0.4, 0.4, 0.4);
+
+vec4 df(vec4 A, vec4 B)
+{
+	return vec4(abs(A-B));
+}
+
+float c_df(vec3 c1, vec3 c2) {
+	vec3 df = abs(c1 - c2);
+	return df.r + df.g + df.b;
+}
+
+bvec4 eq(vec4 A, vec4 B)
+{
+	return lessThan(df(A, B), vec4(XBR_EQ_THRESHOLD));
+}
+
+bvec4 eq2(vec4 A, vec4 B)
+{
+	return lessThan(df(A, B), vec4(XBR_EQ_THRESHOLD2));
+}
+
+bvec4 and(bvec4 A, bvec4 B)
+{
+	return bvec4(A.x && B.x, A.y && B.y, A.z && B.z, A.w && B.w);
+}
+
+bvec4 or(bvec4 A, bvec4 B)
+{
+	return bvec4(A.x || B.x, A.y || B.y, A.z || B.z, A.w || B.w);
+}
+
+vec4 weighted_distance(vec4 a, vec4 b, vec4 c, vec4 d, vec4 e, vec4 f, vec4 g, vec4 h)
+{
+	return (df(a,b) + df(a,c) + df(d,e) + df(d,f) + 4.0*df(g,h));
+}
+
 // GLSL shader autogenerated by cg2glsl.py.
 #if __VERSION__ >= 130
-#define COMPAT_VARYING in
+#define varying in
 #define COMPAT_TEXTURE texture
 out vec4 FragColor;
 #else
-#define COMPAT_VARYING varying
 #define FragColor gl_FragColor
 #define COMPAT_TEXTURE texture2D
 #endif
@@ -45,459 +88,164 @@ #define COMPAT_PRECISION mediump
 #else
 #define COMPAT_PRECISION
 #endif
-vec4 _ret_0;
-float _TMP57;
-float _TMP56;
-float _TMP55;
-vec3 _TMP54;
-vec3 _TMP53;
-vec3 _TMP52;
-vec3 _TMP51;
-vec3 _TMP50;
-vec3 _TMP49;
-vec3 _TMP48;
-vec3 _TMP47;
-vec4 _TMP46;
-vec4 _TMP45;
-vec4 _TMP44;
-vec4 _TMP37;
-vec4 _TMP36;
-vec4 _TMP65;
-bvec4 _TMP35;
-bvec4 _TMP34;
-bvec4 _TMP33;
-bvec4 _TMP32;
-bvec4 _TMP31;
-bvec4 _TMP30;
-bvec4 _TMP29;
-bvec4 _TMP28;
-bvec4 _TMP27;
-bvec4 _TMP26;
-bvec4 _TMP25;
-bvec4 _TMP24;
-bvec4 _TMP23;
-bvec4 _TMP22;
-bvec4 _TMP21;
-vec4 _TMP20;
-vec4 _TMP19;
-vec4 _TMP18;
-vec4 _TMP17;
-vec4 _TMP16;
-vec4 _TMP15;
-vec4 _TMP14;
-vec4 _TMP13;
-vec4 _TMP12;
-vec4 _TMP11;
-vec4 _TMP10;
-vec4 _TMP9;
-vec4 _TMP8;
-vec4 _TMP7;
-vec4 _TMP6;
-vec4 _TMP5;
-vec4 _TMP4;
-vec4 _TMP3;
-vec4 _TMP2;
-vec4 _TMP1;
-vec4 _TMP0;
 uniform sampler2D tex;
-vec2 _x0078;
-vec4 _r0122;
-vec4 _r0132;
-vec4 _r0142;
-vec4 _r0152;
-vec4 _r0162;
-vec4 _r0172;
-vec4 _TMP183;
-vec4 _a0186;
-vec4 _TMP189;
-vec4 _a0192;
-vec4 _TMP195;
-vec4 _a0198;
-vec4 _TMP201;
-vec4 _a0204;
-vec4 _TMP207;
-vec4 _a0210;
-vec4 _TMP213;
-vec4 _a0216;
-vec4 _TMP219;
-vec4 _a0222;
-vec4 _TMP225;
-vec4 _a0228;
-vec4 _TMP231;
-vec4 _a0234;
-vec4 _TMP237;
-vec4 _a0240;
-vec4 _TMP243;
-vec4 _a0246;
-vec4 _TMP249;
-vec4 _a0252;
-vec4 _TMP255;
-vec4 _a0258;
-vec4 _TMP261;
-vec4 _a0264;
-vec4 _TMP267;
-vec4 _a0270;
-vec4 _x0274;
-vec4 _TMP275;
-vec4 _x0284;
-vec4 _TMP285;
-vec4 _x0294;
-vec4 _TMP295;
-vec4 _x0304;
-vec4 _TMP305;
-vec4 _x0314;
-vec4 _TMP315;
-vec4 _TMP323;
-vec4 _a0326;
-vec4 _TMP327;
-vec4 _a0330;
-vec4 _TMP331;
-vec4 _a0334;
-vec4 _TMP335;
-vec4 _a0338;
-vec4 _TMP339;
-vec4 _a0342;
-vec4 _TMP345;
-vec4 _a0348;
-vec4 _TMP349;
-vec4 _a0352;
-vec4 _TMP353;
-vec4 _a0356;
-vec4 _TMP357;
-vec4 _a0360;
-vec4 _TMP361;
-vec4 _a0364;
-vec4 _TMP365;
-vec4 _a0368;
-vec4 _TMP369;
-vec4 _a0372;
-vec4 _TMP373;
-vec4 _a0376;
-vec4 _TMP377;
-vec4 _a0380;
-vec4 _TMP381;
-vec4 _a0384;
-vec4 _TMP385;
-vec4 _a0388;
-vec3 _df0402;
-vec3 _a0404;
-vec3 _df0406;
-vec3 _a0408;
-COMPAT_VARYING vec4 TEX0;
-COMPAT_VARYING vec4 TEX1;
-COMPAT_VARYING vec4 TEX2;
-COMPAT_VARYING vec4 TEX3;
-COMPAT_VARYING vec4 TEX4;
-COMPAT_VARYING vec4 TEX5;
-COMPAT_VARYING vec4 TEX6;
-COMPAT_VARYING vec4 TEX7;
+varying vec2 texCoord;
+varying vec4 TEX1;
+varying vec4 TEX2;
+varying vec4 TEX3;
+varying vec4 TEX4;
+varying vec4 TEX5;
+varying vec4 TEX6;
+varying vec4 TEX7;
+
+const vec2 TextureSize = vec2(240.0, 160.0);
 
-const COMPAT_PRECISION vec2 TextureSize = vec2(240.0, 160.0);
 void main()
 {
-    bvec4 _edr;
-    bvec4 _edr_left;
-    bvec4 _edr_up;
-    bvec4 _px;
-    bvec4 _interp_restriction_lv1;
-    bvec4 _interp_restriction_lv2_left;
-    bvec4 _interp_restriction_lv2_up;
-    bvec4 _interp_restriction_lv3_left;
-    bvec4 _interp_restriction_lv3_up;
-    bvec4 _nc;
-    bvec4 _nc30;
-    bvec4 _nc60;
-    bvec4 _nc45;
-    bvec4 _nc15;
-    bvec4 _nc75;
-    vec4 _fx;
-    vec4 _fx_left;
-    vec4 _fx_up;
-    vec4 _fx3_left;
-    vec4 _fx3_up;
-    vec3 _res1;
-    vec3 _res2;
-    vec3 _pix1;
-    vec3 _pix2;
-    float _blend1;
-    float _blend2;
-    vec2 _fp;
-    vec4 _fx45;
-    vec4 _fx30;
-    vec4 _fx60;
-    vec4 _fx15;
-    vec4 _fx75;
-    vec4 _final45;
-    vec4 _final30;
-    vec4 _final60;
-    vec4 _final15;
-    vec4 _final75;
-    vec4 _maximo;
-    vec3 _res;
-    _x0078 = TEX0.xy*TextureSize;
-    _fp = fract(_x0078);
-    _TMP0 = COMPAT_TEXTURE(tex, TEX1.xw);
-    _TMP1 = COMPAT_TEXTURE(tex, TEX1.yw);
-    _TMP2 = COMPAT_TEXTURE(tex, TEX1.zw);
-    _TMP3 = COMPAT_TEXTURE(tex, TEX2.xw);
-    _TMP4 = COMPAT_TEXTURE(tex, TEX2.yw);
-    _TMP5 = COMPAT_TEXTURE(tex, TEX2.zw);
-    _TMP6 = COMPAT_TEXTURE(tex, TEX3.xw);
-    _TMP7 = COMPAT_TEXTURE(tex, TEX3.yw);
-    _TMP8 = COMPAT_TEXTURE(tex, TEX3.zw);
-    _TMP9 = COMPAT_TEXTURE(tex, TEX4.xw);
-    _TMP10 = COMPAT_TEXTURE(tex, TEX4.yw);
-    _TMP11 = COMPAT_TEXTURE(tex, TEX4.zw);
-    _TMP12 = COMPAT_TEXTURE(tex, TEX5.xw);
-    _TMP13 = COMPAT_TEXTURE(tex, TEX5.yw);
-    _TMP14 = COMPAT_TEXTURE(tex, TEX5.zw);
-    _TMP15 = COMPAT_TEXTURE(tex, TEX6.xy);
-    _TMP16 = COMPAT_TEXTURE(tex, TEX6.xz);
-    _TMP17 = COMPAT_TEXTURE(tex, TEX6.xw);
-    _TMP18 = COMPAT_TEXTURE(tex, TEX7.xy);
-    _TMP19 = COMPAT_TEXTURE(tex, TEX7.xz);
-    _TMP20 = COMPAT_TEXTURE(tex, TEX7.xw);
-    _r0122.x = dot(_TMP4.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0122.y = dot(_TMP6.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0122.z = dot(_TMP10.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0122.w = dot(_TMP8.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0132.x = dot(_TMP5.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0132.y = dot(_TMP3.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0132.z = dot(_TMP9.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0132.w = dot(_TMP11.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0142.x = dot(_TMP7.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0142.y = dot(_TMP7.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0142.z = dot(_TMP7.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0142.w = dot(_TMP7.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0152.x = dot(_TMP20.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0152.y = dot(_TMP2.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0152.z = dot(_TMP15.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0152.w = dot(_TMP12.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0162.x = dot(_TMP14.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0162.y = dot(_TMP18.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0162.z = dot(_TMP0.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0162.w = dot(_TMP17.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0172.x = dot(_TMP13.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0172.y = dot(_TMP19.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0172.z = dot(_TMP1.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _r0172.w = dot(_TMP16.xyz, vec3( 1.43519993E+01, 2.81760006E+01, 5.47200012E+00));
-    _fx = vec4( 1.00000000E+00, -1.00000000E+00, -1.00000000E+00, 1.00000000E+00)*_fp.y + vec4( 1.00000000E+00, 1.00000000E+00, -1.00000000E+00, -1.00000000E+00)*_fp.x;
-    _fx_left = vec4( 1.00000000E+00, -1.00000000E+00, -1.00000000E+00, 1.00000000E+00)*_fp.y + vec4( 5.00000000E-01, 2.00000000E+00, -5.00000000E-01, -2.00000000E+00)*_fp.x;
-    _fx_up = vec4( 1.00000000E+00, -1.00000000E+00, -1.00000000E+00, 1.00000000E+00)*_fp.y + vec4( 2.00000000E+00, 5.00000000E-01, -2.00000000E+00, -5.00000000E-01)*_fp.x;
-    _fx3_left = vec4( 6.00000000E+00, -2.00000000E+00, -6.00000000E+00, 2.00000000E+00)*_fp.y + vec4( 2.00000000E+00, 6.00000000E+00, -2.00000000E+00, -6.00000000E+00)*_fp.x;
-    _fx3_up = vec4( 2.00000000E+00, -6.00000000E+00, -2.00000000E+00, 6.00000000E+00)*_fp.y + vec4( 6.00000000E+00, 2.00000000E+00, -6.00000000E+00, -2.00000000E+00)*_fp.x;
-    _a0186 = _r0122.wxyz - _r0122;
-    _TMP183 = abs(_a0186);
-    _TMP21 = bvec4(_TMP183.x < 1.00000000E+01, _TMP183.y < 1.00000000E+01, _TMP183.z < 1.00000000E+01, _TMP183.w < 1.00000000E+01);
-    _a0192 = _r0122.wxyz - _r0132;
-    _TMP189 = abs(_a0192);
-    _TMP22 = bvec4(_TMP189.x < 1.00000000E+01, _TMP189.y < 1.00000000E+01, _TMP189.z < 1.00000000E+01, _TMP189.w < 1.00000000E+01);
-    _a0198 = _r0122.zwxy - _r0122.yzwx;
-    _TMP195 = abs(_a0198);
-    _TMP23 = bvec4(_TMP195.x < 1.00000000E+01, _TMP195.y < 1.00000000E+01, _TMP195.z < 1.00000000E+01, _TMP195.w < 1.00000000E+01);
-    _a0204 = _r0122.zwxy - _r0132.zwxy;
-    _TMP201 = abs(_a0204);
-    _TMP24 = bvec4(_TMP201.x < 1.00000000E+01, _TMP201.y < 1.00000000E+01, _TMP201.z < 1.00000000E+01, _TMP201.w < 1.00000000E+01);
-    _a0210 = _r0142 - _r0132.wxyz;
-    _TMP207 = abs(_a0210);
-    _TMP25 = bvec4(_TMP207.x < 1.00000000E+01, _TMP207.y < 1.00000000E+01, _TMP207.z < 1.00000000E+01, _TMP207.w < 1.00000000E+01);
-    _a0216 = _r0122.wxyz - _r0172.yzwx;
-    _TMP213 = abs(_a0216);
-    _TMP26 = bvec4(_TMP213.x < 1.00000000E+01, _TMP213.y < 1.00000000E+01, _TMP213.z < 1.00000000E+01, _TMP213.w < 1.00000000E+01);
-    _a0222 = _r0122.wxyz - _r0152;
-    _TMP219 = abs(_a0222);
-    _TMP27 = bvec4(_TMP219.x < 1.00000000E+01, _TMP219.y < 1.00000000E+01, _TMP219.z < 1.00000000E+01, _TMP219.w < 1.00000000E+01);
-    _a0228 = _r0122.zwxy - _r0172;
-    _TMP225 = abs(_a0228);
-    _TMP28 = bvec4(_TMP225.x < 1.00000000E+01, _TMP225.y < 1.00000000E+01, _TMP225.z < 1.00000000E+01, _TMP225.w < 1.00000000E+01);
-    _a0234 = _r0122.zwxy - _r0162;
-    _TMP231 = abs(_a0234);
-    _TMP29 = bvec4(_TMP231.x < 1.00000000E+01, _TMP231.y < 1.00000000E+01, _TMP231.z < 1.00000000E+01, _TMP231.w < 1.00000000E+01);
-    _a0240 = _r0142 - _r0132.zwxy;
-    _TMP237 = abs(_a0240);
-    _TMP30 = bvec4(_TMP237.x < 1.00000000E+01, _TMP237.y < 1.00000000E+01, _TMP237.z < 1.00000000E+01, _TMP237.w < 1.00000000E+01);
-    _a0246 = _r0142 - _r0132;
-    _TMP243 = abs(_a0246);
-    _TMP31 = bvec4(_TMP243.x < 1.00000000E+01, _TMP243.y < 1.00000000E+01, _TMP243.z < 1.00000000E+01, _TMP243.w < 1.00000000E+01);
-    _interp_restriction_lv1 = bvec4(_r0142.x != _r0122.w && _r0142.x != _r0122.z && (!_TMP21.x && !_TMP22.x || !_TMP23.x && !_TMP24.x || _TMP25.x && (!_TMP26.x && !_TMP27.x || !_TMP28.x && !_TMP29.x) || _TMP30.x || _TMP31.x), _r0142.y != _r0122.x && _r0142.y != _r0122.w && (!_TMP21.y && !_TMP22.y || !_TMP23.y && !_TMP24.y || _TMP25.y && (!_TMP26.y && !_TMP27.y || !_TMP28.y && !_TMP29.y) || _TMP30.y || _TMP31.y), _r0142.z != _r0122.y && _r0142.z != _r0122.x && (!_TMP21.z && !_TMP22.z || !_TMP23.z && !_TMP24.z || _TMP25.z && (!_TMP26.z && !_TMP27.z || !_TMP28.z && !_TMP29.z) || _TMP30.z || _TMP31.z), _r0142.w != _r0122.z && _r0142.w != _r0122.y && (!_TMP21.w && !_TMP22.w || !_TMP23.w && !_TMP24.w || _TMP25.w && (!_TMP26.w && !_TMP27.w || !_TMP28.w && !_TMP29.w) || _TMP30.w || _TMP31.w));
-    _interp_restriction_lv2_left = bvec4(_r0142.x != _r0132.z && _r0122.y != _r0132.z, _r0142.y != _r0132.w && _r0122.z != _r0132.w, _r0142.z != _r0132.x && _r0122.w != _r0132.x, _r0142.w != _r0132.y && _r0122.x != _r0132.y);
-    _interp_restriction_lv2_up = bvec4(_r0142.x != _r0132.x && _r0122.x != _r0132.x, _r0142.y != _r0132.y && _r0122.y != _r0132.y, _r0142.z != _r0132.z && _r0122.z != _r0132.z, _r0142.w != _r0132.w && _r0122.w != _r0132.w);
-    _a0252 = _r0132.zwxy - _r0162.wxyz;
-    _TMP249 = abs(_a0252);
-    _TMP32 = bvec4(_TMP249.x < 2.00000000E+00, _TMP249.y < 2.00000000E+00, _TMP249.z < 2.00000000E+00, _TMP249.w < 2.00000000E+00);
-    _a0258 = _r0172.wxyz - _r0162.wxyz;
-    _TMP255 = abs(_a0258);
-    _TMP33 = bvec4(_TMP255.x < 2.00000000E+00, _TMP255.y < 2.00000000E+00, _TMP255.z < 2.00000000E+00, _TMP255.w < 2.00000000E+00);
-    _interp_restriction_lv3_left = bvec4(_TMP32.x && !_TMP33.x, _TMP32.y && !_TMP33.y, _TMP32.z && !_TMP33.z, _TMP32.w && !_TMP33.w);
-    _a0264 = _r0132 - _r0152.yzwx;
-    _TMP261 = abs(_a0264);
-    _TMP34 = bvec4(_TMP261.x < 2.00000000E+00, _TMP261.y < 2.00000000E+00, _TMP261.z < 2.00000000E+00, _TMP261.w < 2.00000000E+00);
-    _a0270 = _r0172.zwxy - _r0152.yzwx;
-    _TMP267 = abs(_a0270);
-    _TMP35 = bvec4(_TMP267.x < 2.00000000E+00, _TMP267.y < 2.00000000E+00, _TMP267.z < 2.00000000E+00, _TMP267.w < 2.00000000E+00);
-    _interp_restriction_lv3_up = bvec4(_TMP34.x && !_TMP35.x, _TMP34.y && !_TMP35.y, _TMP34.z && !_TMP35.z, _TMP34.w && !_TMP35.w);
-    _x0274 = (_fx - vec4( 1.10000002E+00, 9.99999940E-02, -8.99999976E-01, 9.99999940E-02))/vec4( 7.99999952E-01, 7.99999952E-01, 7.99999952E-01, 7.99999952E-01);
-    _TMP65 = min(vec4( 1.00000000E+00, 1.00000000E+00, 1.00000000E+00, 1.00000000E+00), _x0274);
-    _TMP275 = max(vec4( 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00), _TMP65);
-    _fx45 = _TMP275*_TMP275*(3.00000000E+00 - 2.00000000E+00*_TMP275);
-    _x0284 = (_fx_left - vec4( 6.00000024E-01, 6.00000024E-01, -8.99999976E-01, -4.00000006E-01))/vec4( 7.99999952E-01, 7.99999952E-01, 7.99999952E-01, 8.00000012E-01);
-    _TMP65 = min(vec4( 1.00000000E+00, 1.00000000E+00, 1.00000000E+00, 1.00000000E+00), _x0284);
-    _TMP285 = max(vec4( 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00), _TMP65);
-    _fx30 = _TMP285*_TMP285*(3.00000000E+00 - 2.00000000E+00*_TMP285);
-    _x0294 = (_fx_up - vec4( 1.60000002E+00, -4.00000006E-01, -1.39999998E+00, 9.99999940E-02))/vec4( 8.00000072E-01, 8.00000012E-01, 7.99999952E-01, 7.99999952E-01);
-    _TMP65 = min(vec4( 1.00000000E+00, 1.00000000E+00, 1.00000000E+00, 1.00000000E+00), _x0294);
-    _TMP295 = max(vec4( 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00), _TMP65);
-    _fx60 = _TMP295*_TMP295*(3.00000000E+00 - 2.00000000E+00*_TMP295);
-    _x0304 = (_fx3_left - vec4( 4.59999990E+00, 2.59999990E+00, -3.40000010E+00, -1.39999998E+00))/vec4( 8.00000191E-01, 8.00000191E-01, 8.00000191E-01, 7.99999952E-01);
-    _TMP65 = min(vec4( 1.00000000E+00, 1.00000000E+00, 1.00000000E+00, 1.00000000E+00), _x0304);
-    _TMP305 = max(vec4( 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00), _TMP65);
-    _fx15 = _TMP305*_TMP305*(3.00000000E+00 - 2.00000000E+00*_TMP305);
-    _x0314 = (_fx3_up - vec4( 4.59999990E+00, -1.39999998E+00, -3.40000010E+00, 2.59999990E+00))/vec4( 8.00000191E-01, 7.99999952E-01, 8.00000191E-01, 8.00000191E-01);
-    _TMP65 = min(vec4( 1.00000000E+00, 1.00000000E+00, 1.00000000E+00, 1.00000000E+00), _x0314);
-    _TMP315 = max(vec4( 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00), _TMP65);
-    _fx75 = _TMP315*_TMP315*(3.00000000E+00 - 2.00000000E+00*_TMP315);
-    _a0326 = _r0142 - _r0132;
-    _TMP323 = abs(_a0326);
-    _a0330 = _r0142 - _r0132.zwxy;
-    _TMP327 = abs(_a0330);
-    _a0334 = _r0132.wxyz - _r0172;
-    _TMP331 = abs(_a0334);
-    _a0338 = _r0132.wxyz - _r0172.yzwx;
-    _TMP335 = abs(_a0338);
-    _a0342 = _r0122.zwxy - _r0122.wxyz;
-    _TMP339 = abs(_a0342);
-    _TMP36 = _TMP323 + _TMP327 + _TMP331 + _TMP335 + 4.00000000E+00*_TMP339;
-    _a0348 = _r0122.zwxy - _r0122.yzwx;
-    _TMP345 = abs(_a0348);
-    _a0352 = _r0122.zwxy - _r0162;
-    _TMP349 = abs(_a0352);
-    _a0356 = _r0122.wxyz - _r0152;
-    _TMP353 = abs(_a0356);
-    _a0360 = _r0122.wxyz - _r0122;
-    _TMP357 = abs(_a0360);
-    _a0364 = _r0142 - _r0132.wxyz;
-    _TMP361 = abs(_a0364);
-    _TMP37 = _TMP345 + _TMP349 + _TMP353 + _TMP357 + 4.00000000E+00*_TMP361;
-    _edr = bvec4(_TMP36.x < _TMP37.x && _interp_restriction_lv1.x, _TMP36.y < _TMP37.y && _interp_restriction_lv1.y, _TMP36.z < _TMP37.z && _interp_restriction_lv1.z, _TMP36.w < _TMP37.w && _interp_restriction_lv1.w);
-    _a0368 = _r0122.wxyz - _r0132.zwxy;
-    _TMP365 = abs(_a0368);
-    _a0372 = _r0122.zwxy - _r0132;
-    _TMP369 = abs(_a0372);
-    _edr_left = bvec4((2.00000000E+00*_TMP365).x <= _TMP369.x && _interp_restriction_lv2_left.x, (2.00000000E+00*_TMP365).y <= _TMP369.y && _interp_restriction_lv2_left.y, (2.00000000E+00*_TMP365).z <= _TMP369.z && _interp_restriction_lv2_left.z, (2.00000000E+00*_TMP365).w <= _TMP369.w && _interp_restriction_lv2_left.w);
-    _a0376 = _r0122.wxyz - _r0132.zwxy;
-    _TMP373 = abs(_a0376);
-    _a0380 = _r0122.zwxy - _r0132;
-    _TMP377 = abs(_a0380);
-    _edr_up = bvec4(_TMP373.x >= (2.00000000E+00*_TMP377).x && _interp_restriction_lv2_up.x, _TMP373.y >= (2.00000000E+00*_TMP377).y && _interp_restriction_lv2_up.y, _TMP373.z >= (2.00000000E+00*_TMP377).z && _interp_restriction_lv2_up.z, _TMP373.w >= (2.00000000E+00*_TMP377).w && _interp_restriction_lv2_up.w);
-    _nc45 = bvec4(_edr.x && bool(_fx45.x), _edr.y && bool(_fx45.y), _edr.z && bool(_fx45.z), _edr.w && bool(_fx45.w));
-    _nc30 = bvec4(_edr.x && _edr_left.x && bool(_fx30.x), _edr.y && _edr_left.y && bool(_fx30.y), _edr.z && _edr_left.z && bool(_fx30.z), _edr.w && _edr_left.w && bool(_fx30.w));
-    _nc60 = bvec4(_edr.x && _edr_up.x && bool(_fx60.x), _edr.y && _edr_up.y && bool(_fx60.y), _edr.z && _edr_up.z && bool(_fx60.z), _edr.w && _edr_up.w && bool(_fx60.w));
-    _nc15 = bvec4(_edr.x && _edr_left.x && _interp_restriction_lv3_left.x && bool(_fx15.x), _edr.y && _edr_left.y && _interp_restriction_lv3_left.y && bool(_fx15.y), _edr.z && _edr_left.z && _interp_restriction_lv3_left.z && bool(_fx15.z), _edr.w && _edr_left.w && _interp_restriction_lv3_left.w && bool(_fx15.w));
-    _nc75 = bvec4(_edr.x && _edr_up.x && _interp_restriction_lv3_up.x && bool(_fx75.x), _edr.y && _edr_up.y && _interp_restriction_lv3_up.y && bool(_fx75.y), _edr.z && _edr_up.z && _interp_restriction_lv3_up.z && bool(_fx75.z), _edr.w && _edr_up.w && _interp_restriction_lv3_up.w && bool(_fx75.w));
-    _a0384 = _r0142 - _r0122.wxyz;
-    _TMP381 = abs(_a0384);
-    _a0388 = _r0142 - _r0122.zwxy;
-    _TMP385 = abs(_a0388);
-    _px = bvec4(_TMP381.x <= _TMP385.x, _TMP381.y <= _TMP385.y, _TMP381.z <= _TMP385.z, _TMP381.w <= _TMP385.w);
-    _nc = bvec4(_nc75.x || _nc15.x || _nc30.x || _nc60.x || _nc45.x, _nc75.y || _nc15.y || _nc30.y || _nc60.y || _nc45.y, _nc75.z || _nc15.z || _nc30.z || _nc60.z || _nc45.z, _nc75.w || _nc15.w || _nc30.w || _nc60.w || _nc45.w);
-    _final45 = vec4(float(_nc45.x), float(_nc45.y), float(_nc45.z), float(_nc45.w))*_fx45;
-    _final30 = vec4(float(_nc30.x), float(_nc30.y), float(_nc30.z), float(_nc30.w))*_fx30;
-    _final60 = vec4(float(_nc60.x), float(_nc60.y), float(_nc60.z), float(_nc60.w))*_fx60;
-    _final15 = vec4(float(_nc15.x), float(_nc15.y), float(_nc15.z), float(_nc15.w))*_fx15;
-    _final75 = vec4(float(_nc75.x), float(_nc75.y), float(_nc75.z), float(_nc75.w))*_fx75;
-    _TMP44 = max(_final15, _final75);
-    _TMP45 = max(_final30, _final60);
-    _TMP46 = max(_TMP44, _TMP45);
-    _maximo = max(_TMP46, _final45);
-    if (_nc.x) { 
-        if (_px.x) { 
-            _TMP47 = _TMP8.xyz;
-        } else {
-            _TMP47 = _TMP10.xyz;
-        } 
-        _pix1 = _TMP47;
-        _blend1 = _maximo.x;
-    } else {
-        if (_nc.y) { 
-            if (_px.y) { 
-                _TMP48 = _TMP4.xyz;
-            } else {
-                _TMP48 = _TMP8.xyz;
-            } 
-            _pix1 = _TMP48;
-            _blend1 = _maximo.y;
-        } else {
-            if (_nc.z) { 
-                if (_px.z) { 
-                    _TMP49 = _TMP6.xyz;
-                } else {
-                    _TMP49 = _TMP4.xyz;
-                } 
-                _pix1 = _TMP49;
-                _blend1 = _maximo.z;
-            } else {
-                if (_nc.w) { 
-                    if (_px.w) { 
-                        _TMP50 = _TMP10.xyz;
-                    } else {
-                        _TMP50 = _TMP6.xyz;
-                    } 
-                    _pix1 = _TMP50;
-                    _blend1 = _maximo.w;
-                } 
-            } 
-        } 
-    } 
-    if (_nc.w) { 
-        if (_px.w) { 
-            _TMP51 = _TMP10.xyz;
-        } else {
-            _TMP51 = _TMP6.xyz;
-        } 
-        _pix2 = _TMP51;
-        _blend2 = _maximo.w;
-    } else {
-        if (_nc.z) { 
-            if (_px.z) { 
-                _TMP52 = _TMP6.xyz;
-            } else {
-                _TMP52 = _TMP4.xyz;
-            } 
-            _pix2 = _TMP52;
-            _blend2 = _maximo.z;
-        } else {
-            if (_nc.y) { 
-                if (_px.y) { 
-                    _TMP53 = _TMP4.xyz;
-                } else {
-                    _TMP53 = _TMP8.xyz;
-                } 
-                _pix2 = _TMP53;
-                _blend2 = _maximo.y;
-            } else {
-                if (_nc.x) { 
-                    if (_px.x) { 
-                        _TMP54 = _TMP8.xyz;
-                    } else {
-                        _TMP54 = _TMP10.xyz;
-                    } 
-                    _pix2 = _TMP54;
-                    _blend2 = _maximo.x;
-                } 
-            } 
-        } 
-    } 
-    _res1 = _TMP7.xyz + _blend1*(_pix1 - _TMP7.xyz);
-    _res2 = _TMP7.xyz + _blend2*(_pix2 - _TMP7.xyz);
-    _a0404 = _TMP7.xyz - _res1;
-    _df0402 = abs(_a0404);
-    _TMP55 = _df0402.x + _df0402.y + _df0402.z;
-    _a0408 = _TMP7.xyz - _res2;
-    _df0406 = abs(_a0408);
-    _TMP56 = _df0406.x + _df0406.y + _df0406.z;
-    _TMP57 = float((_TMP56 >= _TMP55));
-    _res = _res1 + _TMP57*(_res2 - _res1);
-    _ret_0 = vec4(_res.x, _res.y, _res.z, 1.00000000E+00);
-    FragColor = _ret_0;
-    return;
+	bvec4 edr, edr_left, edr_up, edr3_left, edr3_up, px; // px = pixel, edr = edge detection rule
+	bvec4 interp_restriction_lv1, interp_restriction_lv2_left, interp_restriction_lv2_up;
+	bvec4 interp_restriction_lv3_left, interp_restriction_lv3_up;
+	bvec4 nc, nc30, nc60, nc45, nc15, nc75; // new_color
+	vec4 fx, fx_left, fx_up, finalfx, fx3_left, fx3_up; // inequations of straight lines.
+	vec3 res1, res2, pix1, pix2;
+	float blend1, blend2;
+
+    vec2 fp = fract(texCoord * TextureSize);
+
+    vec3 A1 = COMPAT_TEXTURE(tex, TEX1.xw).rgb;
+    vec3 B1 = COMPAT_TEXTURE(tex, TEX1.yw).rgb;
+    vec3 C1 = COMPAT_TEXTURE(tex, TEX1.zw).rgb;
+
+    vec3 A = COMPAT_TEXTURE(tex, TEX2.xw).rgb;
+    vec3 B = COMPAT_TEXTURE(tex, TEX2.yw).rgb;
+    vec3 C = COMPAT_TEXTURE(tex, TEX2.zw).rgb;
+
+    vec3 D = COMPAT_TEXTURE(tex, TEX3.xw).rgb;
+    vec3 E = COMPAT_TEXTURE(tex, TEX3.yw).rgb;
+    vec3 F = COMPAT_TEXTURE(tex, TEX3.zw).rgb;
+
+    vec3 G = COMPAT_TEXTURE(tex, TEX4.xw).rgb;
+    vec3 H = COMPAT_TEXTURE(tex, TEX4.yw).rgb;
+    vec3 I = COMPAT_TEXTURE(tex, TEX4.zw).rgb;
+
+    vec3 G5 = COMPAT_TEXTURE(tex, TEX5.xw).rgb;
+    vec3 H5 = COMPAT_TEXTURE(tex, TEX5.yw).rgb;
+    vec3 I5 = COMPAT_TEXTURE(tex, TEX5.zw).rgb;
+
+    vec3 A0 = COMPAT_TEXTURE(tex, TEX6.xy).rgb;
+    vec3 D0 = COMPAT_TEXTURE(tex, TEX6.xz).rgb;
+    vec3 G0 = COMPAT_TEXTURE(tex, TEX6.xw).rgb;
+
+    vec3 C4 = COMPAT_TEXTURE(tex, TEX7.xy).rgb;
+    vec3 F4 = COMPAT_TEXTURE(tex, TEX7.xz).rgb;
+    vec3 I4 = COMPAT_TEXTURE(tex, TEX7.xw).rgb;
+
+	vec4 b = transpose(mat4x3(B, D, H, F)) * (XBR_Y_WEIGHT * yuv[0]);
+	vec4 c = transpose(mat4x3(C, A, G, I)) * (XBR_Y_WEIGHT * yuv[0]);
+	vec4 e = transpose(mat4x3(E, E, E, E)) * (XBR_Y_WEIGHT * yuv[0]);
+	vec4 d = b.yzwx;
+	vec4 f = b.wxyz;
+	vec4 g = c.zwxy;
+	vec4 h = b.zwxy;
+	vec4 i = c.wxyz;
+
+	vec4 i4 = transpose(mat4x3(I4, C1, A0, G5)) * (XBR_Y_WEIGHT*yuv[0]);
+	vec4 i5 = transpose(mat4x3(I5, C4, A1, G0)) * (XBR_Y_WEIGHT*yuv[0]);
+	vec4 h5 = transpose(mat4x3(H5, F4, B1, D0)) * (XBR_Y_WEIGHT*yuv[0]);
+	vec4 f4 = h5.yzwx;
+
+	vec4 c1 = i4.yzwx;
+	vec4 g0 = i5.wxyz;
+	vec4 b1 = h5.zwxy;
+	vec4 d0 = h5.wxyz;
+
+	vec4 Ao = vec4( 1.0, -1.0, -1.0, 1.0 );
+	vec4 Bo = vec4( 1.0,  1.0, -1.0,-1.0 );
+	vec4 Co = vec4( 1.5,  0.5, -0.5, 0.5 );
+	vec4 Ax = vec4( 1.0, -1.0, -1.0, 1.0 );
+	vec4 Bx = vec4( 0.5,  2.0, -0.5,-2.0 );
+	vec4 Cx = vec4( 1.0,  1.0, -0.5, 0.0 );
+	vec4 Ay = vec4( 1.0, -1.0, -1.0, 1.0 );
+	vec4 By = vec4( 2.0,  0.5, -2.0,-0.5 );
+	vec4 Cy = vec4( 2.0,  0.0, -1.0, 0.5 );
+
+	vec4 Az = vec4( 6.0, -2.0, -6.0, 2.0 );
+	vec4 Bz = vec4( 2.0, 6.0, -2.0, -6.0 );
+	vec4 Cz = vec4( 5.0, 3.0, -3.0, -1.0 );
+	vec4 Aw = vec4( 2.0, -6.0, -2.0, 6.0 );
+	vec4 Bw = vec4( 6.0, 2.0, -6.0,-2.0 );
+	vec4 Cw = vec4( 5.0, -1.0, -3.0, 3.0 );
+
+	fx      = (Ao*fp.y+Bo*fp.x); 
+	fx_left = (Ax*fp.y+Bx*fp.x);
+	fx_up   = (Ay*fp.y+By*fp.x);
+	fx3_left= (Az*fp.y+Bz*fp.x);
+	fx3_up  = (Aw*fp.y+Bw*fp.x);
+
+	// It uses CORNER_C if none of the others are defined.
+#ifdef CORNER_A
+	interp_restriction_lv1 = and(notEqual(e, f), notEqual(e, h));
+#elif defined(CORNER_B)
+	interp_restriction_lv1      = ((e!=f) && (e!=h)  &&  ( !eq(f,b) && !eq(h,d) || eq(e,i) && !eq(f,i4) && !eq(h,i5) || eq(e,g) || eq(e,c) ) );
+#elif defined(CORNER_D)
+	interp_restriction_lv1      = ((e!=f) && (e!=h)  &&  ( !eq(f,b) && !eq(h,d) || eq(e,i) && !eq(f,i4) && !eq(h,i5) || eq(e,g) || eq(e,c) ) && (f!=f4 && f!=i || h!=h5 && h!=i || h!=g || f!=c || eq(b,c1) && eq(d,g0)));
+#else
+	interp_restriction_lv1 = and(and(notEqual(e, f), notEqual(e, h)),
+	                             or(or(and(not(eq(f,b)), not(eq(f,c))),
+	                                   and(not(eq(h,d)), not(eq(h,g)))),
+	                                or(and(eq(e,i), or(and(not(eq(f,f4)), not(eq(f,i4))),
+	                                                   and(not(eq(h,h5)), not(eq(h,i5))))),
+	                                   or(eq(e,g), eq(e,c)))));
+#endif
+
+    interp_restriction_lv2_left = and(notEqual(e, g), notEqual(d, g));
+	interp_restriction_lv2_up   = and(notEqual(e, c), notEqual(b, c));
+	interp_restriction_lv3_left = and(eq2(g,g0), not(eq2(d0,g0)));
+	interp_restriction_lv3_up   = and(eq2(c,c1), not(eq2(b1,c1)));
+
+	vec4 fx45 = smoothstep(Co - delta, Co + delta, fx);
+	vec4 fx30 = smoothstep(Cx - delta, Cx + delta, fx_left);
+	vec4 fx60 = smoothstep(Cy - delta, Cy + delta, fx_up);
+	vec4 fx15 = smoothstep(Cz - delta, Cz + delta, fx3_left);
+	vec4 fx75 = smoothstep(Cw - delta, Cw + delta, fx3_up);
+
+	edr = and(lessThan(weighted_distance( e, c, g, i, h5, f4, h, f), weighted_distance( h, d, i5, f, i4, b, e, i)), interp_restriction_lv1);
+	edr_left = and(lessThanEqual((XBR_LV2_COEFFICIENT*df(f,g)), df(h,c)), interp_restriction_lv2_left);
+	edr_up   = and(greaterThanEqual(df(f,g), (XBR_LV2_COEFFICIENT*df(h,c))), interp_restriction_lv2_up);
+	edr3_left = interp_restriction_lv3_left;
+	edr3_up = interp_restriction_lv3_up;
+
+	nc45 = and(edr, bvec4(fx45));
+	nc30 = and(edr, and(edr_left, bvec4(fx30)));
+	nc60 = and(edr, and(edr_up, bvec4(fx60)));
+	nc15 = and(and(edr, edr_left), and(edr3_left, bvec4(fx15)));
+	nc75 = and(and(edr, edr_up), and(edr3_up, bvec4(fx75)));
+
+    px = lessThanEqual(df(e, f), df(e, h));
+
+    nc = bvec4(nc75.x || nc15.x || nc30.x || nc60.x || nc45.x, nc75.y || nc15.y || nc30.y || nc60.y || nc45.y, nc75.z || nc15.z || nc30.z || nc60.z || nc45.z, nc75.w || nc15.w || nc30.w || nc60.w || nc45.w);
+
+	vec4 final45 = vec4(nc45) * fx45;
+	vec4 final30 = vec4(nc30) * fx30;
+	vec4 final60 = vec4(nc60) * fx60;
+	vec4 final15 = vec4(nc15) * fx15;
+	vec4 final75 = vec4(nc75) * fx75;
+
+	vec4 maximo = max(max(max(final15, final75),max(final30, final60)), final45);
+
+	     if (nc.x) {pix1 = px.x ? F : H; blend1 = maximo.x;}
+	else if (nc.y) {pix1 = px.y ? B : F; blend1 = maximo.y;}
+	else if (nc.z) {pix1 = px.z ? D : B; blend1 = maximo.z;}
+	else if (nc.w) {pix1 = px.w ? H : D; blend1 = maximo.w;}
+
+	     if (nc.w) {pix2 = px.w ? H : D; blend2 = maximo.w;}
+	else if (nc.z) {pix2 = px.z ? D : B; blend2 = maximo.z;}
+	else if (nc.y) {pix2 = px.y ? B : F; blend2 = maximo.y;}
+	else if (nc.x) {pix2 = px.x ? F : H; blend2 = maximo.x;}
+
+    res1 = mix(E, pix1, blend1);
+    res2 = mix(E, pix2, blend2);
+    vec3 res = mix(res1, res2, step(c_df(E, res1), c_df(E, res2)));
+
+    FragColor = vec4(res, 1.0);
 } 

M res/shaders/xbr.shader/xbr.vs → res/shaders/xbr.shader/xbr.vs

@@ -21,57 +21,40 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
 
-
    Incorporates some of the ideas from SABR shader. Thanks to Joshua Street.
 */
-// GLSL shader autogenerated by cg2glsl.py.
-#if __VERSION__ >= 130
-#define COMPAT_VARYING out
-#define COMPAT_ATTRIBUTE in
-#define COMPAT_TEXTURE texture
-#else
-#define COMPAT_VARYING varying
-#define COMPAT_ATTRIBUTE attribute
-#define COMPAT_TEXTURE texture2D
-#endif
 
-#ifdef GL_ES
-#define COMPAT_PRECISION mediump
-#else
-#define COMPAT_PRECISION
-#endif
-COMPAT_VARYING     vec4 _t7;
-COMPAT_VARYING     vec4 _t6;
-COMPAT_VARYING     vec4 _t5;
-COMPAT_VARYING     vec4 _t4;
-COMPAT_VARYING     vec4 _t3;
-COMPAT_VARYING     vec4 _t2;
-COMPAT_VARYING     vec4 _t1;
-vec4 _r0007;
-COMPAT_ATTRIBUTE vec4 position;
-COMPAT_VARYING vec4 TEX0;
-COMPAT_VARYING vec4 TEX1;
-COMPAT_VARYING vec4 TEX2;
-COMPAT_VARYING vec4 TEX3;
-COMPAT_VARYING vec4 TEX4;
-COMPAT_VARYING vec4 TEX5;
-COMPAT_VARYING vec4 TEX6;
-COMPAT_VARYING vec4 TEX7;
-const COMPAT_PRECISION vec2 TextureSize = vec2(240.0, 160.0);
+varying vec2 texCoord;
+varying vec4 TEX1;
+varying vec4 TEX2;
+varying vec4 TEX3;
+varying vec4 TEX4;
+varying vec4 TEX5;
+varying vec4 TEX6;
+varying vec4 TEX7;
+attribute vec4 position;
 
+/*    VERTEX_SHADER    */
 void main()
 {
-    vec2 _ps;
-    vec2 _texCoord;
-    _ps = vec2(1.00000000E+00/TextureSize.x, 1.00000000E+00/TextureSize.y);
-    _texCoord = (position.st + vec2(1.0, 1.0)) * vec2(0.5, 0.5) + vec2( 1.00000001E-07, 1.00000001E-07);
-    gl_Position = position;
-    TEX0.xy = _texCoord;
-    TEX1 = _texCoord.xxxy + vec4(-_ps.x, 0.00000000E+00, _ps.x, -2.00000000E+00*_ps.y);
-    TEX2 = _texCoord.xxxy + vec4(-_ps.x, 0.00000000E+00, _ps.x, -_ps.y);
-    TEX3 = _texCoord.xxxy + vec4(-_ps.x, 0.00000000E+00, _ps.x, 0.00000000E+00);
-    TEX4 = _texCoord.xxxy + vec4(-_ps.x, 0.00000000E+00, _ps.x, _ps.y);
-    TEX5 = _texCoord.xxxy + vec4(-_ps.x, 0.00000000E+00, _ps.x, 2.00000000E+00*_ps.y);
-    TEX6 = _texCoord.xyyy + vec4(-2.00000000E+00*_ps.x, -_ps.y, 0.00000000E+00, _ps.y);
-    TEX7 = _texCoord.xyyy + vec4(2.00000000E+00*_ps.x, -_ps.y, 0.00000000E+00, _ps.y);
-} 
+	gl_Position = position;
+
+	vec2 ps = vec2(1.0/240.0, 1.0/160.0);
+	float dx = ps.x;
+	float dy = ps.y;
+
+	//    A1 B1 C1
+	// A0  A  B  C C4
+	// D0  D  E  F F4
+	// G0  G  H  I I4
+	//    G5 H5 I5
+
+	texCoord = (position.st + vec2(1.0, 1.0)) * vec2(0.5, 0.5);
+	TEX1 = texCoord.xxxy + vec4( -dx, 0, dx,-2.0*dy); // A1 B1 C1
+	TEX2 = texCoord.xxxy + vec4( -dx, 0, dx,    -dy); //  A  B  C
+	TEX3 = texCoord.xxxy + vec4( -dx, 0, dx,      0); //  D  E  F
+	TEX4 = texCoord.xxxy + vec4( -dx, 0, dx,     dy); //  G  H  I
+	TEX5 = texCoord.xxxy + vec4( -dx, 0, dx, 2.0*dy); // G5 H5 I5
+	TEX6 = texCoord.xyyy + vec4(-2.0*dx,-dy, 0,  dy); // A0 D0 G0
+	TEX7 = texCoord.xyyy + vec4( 2.0*dx,-dy, 0,  dy); // C4 F4 I4
+}