Complete min shader.

Normand Briere

2019-07-23 0f4fa9dc4191aaee9661c1e6d73725436ae64ac2

 CameraPane.java
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@@ -12402,7 +12402,7 @@
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         String program =
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                 // Min shader
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                 "!!ARBfp1.0\n" +
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-                "PARAM zero123      = { 0.0, 1.0, 2.0, 3.0 };" +
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+                "PARAM zero123      = { 0.0, 1.0, 2.0, 1.25 };" +
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                 "PARAM pow2      = { 0.5, 0.25, 0.125, 0.0 };" +
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                 "PARAM one      = { 1.0, 1.0, 1.0, 1.0 };" +
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                 "PARAM eps      = { 0.001, 0.001, 0.001, 1.0 };" +
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@@ -12433,6 +12433,7 @@
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                 "MAX ndotl.x, ndotl.x, pow2.y;" +
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                 "TEX temp, fragment.texcoord[0], texture[0], 2D;" +
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+                "LRP temp, zero123.w, temp, one;" + // texture proportion
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                 "MUL temp, temp, ndotl.x;" +
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                 "MUL temp, temp, zero123.z;" +
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@@ -13396,20 +13397,20 @@
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         return "TEX " + dest + ", " + src + ", texture[" + unit + "], 2D;" +
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                 "SGE " + src + ".w, " + src + ".x, eps.x;" +
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                 "SGE " + src + ".z, " + src + ".y, eps.x;" +
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+                "SLT " + dest + ".x, " + src + ".x, one.x;" +
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+                "SLT " + dest + ".y, " + src + ".y, one.x;" +
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                 "MUL " + src + ".w, " + src + ".z, " + src + ".w;" +
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-                "SLT " + src + ".z, " + src + ".x, one.x;" +
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-                "MUL " + src + ".w, " + src + ".z, " + src + ".w;" +
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-                "SLT " + src + ".z, " + src + ".y, one.x;" +
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-                "MUL " + src + ".w, " + src + ".z, " + src + ".w;" +
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+                "MUL " + src + ".w, " + dest + ".x, " + src + ".w;" +
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+                "MUL " + src + ".w, " + dest + ".y, " + src + ".w;" +
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                 //"SWZ buffer, temp, w,w,w,w;";
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-                "MUL " + dest + ".z, " + dest + ".z, " + src + ".w;" +
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+                //"MUL " + dest + ".z, " + dest + ".z, " + src + ".w;" +
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                 "SUB " + src + ".z, " + "one.x, " + src + ".w;" +
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                 //"MUL " + src + ".z, " + src + ".z, infinity.x;" +
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                 //"ADD " + dest + ".z, " + dest + ".z, " + src + ".z;";
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-                "MAD " + dest + ".z, " + src + ".z, infinity.x," + dest + ".z;";
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+                //"MAD " + dest + ".z, " + src + ".z, infinity.x," + dest + ".z;";
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-    //"LRP " + dest + ".z, " + src + ".w," + dest + ".z, infinity.x;";
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-    //"LRP " + dest + ".z" + ", " + src + ".w, infinity.x," + dest + ".z;";
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+    //?? "LRP " + dest + ".z, " + src + ".w," + dest + ".z, infinity.x;";
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+    "LRP " + dest + ".z, " + src + ".z, infinity.x," + dest + ".z;";
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     }
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     String Shadow(String depth, String shadow)