Add 2xsal-level2-xbr shader and presets

Port of old Cg shaders from guest's. Presets renamed to reflect better the shader chain.

xsal/shaders/2xsal-level2-xbr.glsl

@@ -0,0 +1,168 @@
+/*
+    Copyright (C) 2016 guest(r) - guest.r@gmail.com
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License
+    as published by the Free Software Foundation; either version 2
+    of the License, or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+#if defined(VERTEX)
+
+#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_ATTRIBUTE vec4 VertexCoord;
+COMPAT_ATTRIBUTE vec4 COLOR;
+COMPAT_ATTRIBUTE vec4 TexCoord;
+COMPAT_VARYING vec4 COL0;
+COMPAT_VARYING vec4 TEX0;
+
+uniform mat4 MVPMatrix;
+uniform COMPAT_PRECISION int FrameDirection;
+uniform COMPAT_PRECISION int FrameCount;
+uniform COMPAT_PRECISION vec2 OutputSize;
+uniform COMPAT_PRECISION vec2 TextureSize;
+uniform COMPAT_PRECISION vec2 InputSize;
+
+#define saturate(c) clamp(c, 0.0, 1.0)
+#define lerp(c) mix(c)
+#define mul(a,b) (b*a)
+#define fmod(c) mod(c)
+#define frac(c) fract(c)
+#define tex2D(a,b) COMPAT_TEXTURE(a,b)
+#define float2 vec2
+#define float3 vec3
+#define float4 vec4
+#define int2 ivec2
+#define int3 ivec3
+#define int4 ivec4
+#define bool2 bvec2
+#define bool3 bvec3
+#define bool4 bvec4
+#define float2x2 mat2x2
+#define float2x3 mat2x3
+#define float3x3 mat3x3
+#define float4x4 mat4x4
+#define float4x2 mat4x2
+
+// vertex compatibility #defines
+#define vTexCoord TEX0.xy
+#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
+#define outsize vec4(OutputSize, 1.0 / OutputSize)
+
+void main()
+{
+    gl_Position = MVPMatrix * VertexCoord;
+    COL0 = COLOR;
+    TEX0.xy = TexCoord.xy * 1.00001;
+}
+
+#elif defined(FRAGMENT)
+
+#if __VERSION__ >= 130
+#define COMPAT_VARYING in
+#define COMPAT_TEXTURE texture
+out vec4 FragColor;
+#else
+#define COMPAT_VARYING varying
+#define FragColor gl_FragColor
+#define COMPAT_TEXTURE texture2D
+#endif
+
+#ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+precision highp float;
+#else
+precision mediump float;
+#endif
+#define COMPAT_PRECISION mediump
+#else
+#define COMPAT_PRECISION
+#endif
+
+uniform COMPAT_PRECISION int FrameDirection;
+uniform COMPAT_PRECISION int FrameCount;
+uniform COMPAT_PRECISION vec2 OutputSize;
+uniform COMPAT_PRECISION vec2 TextureSize;
+uniform COMPAT_PRECISION vec2 InputSize;
+uniform sampler2D Texture;
+COMPAT_VARYING vec4 TEX0;
+
+// fragment compatibility #defines
+#define Source Texture
+#define vTexCoord TEX0.xy
+
+#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
+#define outsize vec4(OutputSize, 1.0 / OutputSize)
+#define AAOFFSET  1.0
+
+void main()
+{
+   float2 texsize = SourceSize.xy;
+   float dx = AAOFFSET/texsize.x;
+   float dy = AAOFFSET/texsize.y;
+   float3 dt = float3(1.0, 1.0, 1.0);
+ 
+   float4 yx = float4( dx, dy, -dx, -dy);
+   float4 xh = yx*float4(3.0,1.0,3.0,1.0);
+   float4 yv = yx*float4(1.0,3.0,1.0,3.0);
+
+   float3 c11 = COMPAT_TEXTURE(Source, vTexCoord        ).xyz; 	
+   float3 s00 = COMPAT_TEXTURE(Source, vTexCoord + yx.zw).xyz; 
+   float3 s20 = COMPAT_TEXTURE(Source, vTexCoord + yx.xw).xyz; 
+   float3 s22 = COMPAT_TEXTURE(Source, vTexCoord + yx.xy).xyz; 
+   float3 s02 = COMPAT_TEXTURE(Source, vTexCoord + yx.zy).xyz;
+   float3 h00 = COMPAT_TEXTURE(Source, vTexCoord + xh.zw).xyz; 
+   float3 h20 = COMPAT_TEXTURE(Source, vTexCoord + xh.xw).xyz; 
+   float3 h22 = COMPAT_TEXTURE(Source, vTexCoord + xh.xy).xyz; 
+   float3 h02 = COMPAT_TEXTURE(Source, vTexCoord + xh.zy).xyz;
+   float3 v00 = COMPAT_TEXTURE(Source, vTexCoord + yv.zw).xyz; 
+   float3 v20 = COMPAT_TEXTURE(Source, vTexCoord + yv.xw).xyz; 
+   float3 v22 = COMPAT_TEXTURE(Source, vTexCoord + yv.xy).xyz; 
+   float3 v02 = COMPAT_TEXTURE(Source, vTexCoord + yv.zy).xyz;	 
+   
+   float m1=1.0/(dot(abs(s00-s22),dt)+0.00001);
+   float m2=1.0/(dot(abs(s02-s20),dt)+0.00001);
+   float h1=1.0/(dot(abs(s00-h22),dt)+0.00001);
+   float h2=1.0/(dot(abs(s02-h20),dt)+0.00001);
+   float h3=1.0/(dot(abs(h00-s22),dt)+0.00001);
+   float h4=1.0/(dot(abs(h02-s20),dt)+0.00001);
+   float v1=1.0/(dot(abs(s00-v22),dt)+0.00001);
+   float v2=1.0/(dot(abs(s02-v20),dt)+0.00001);
+   float v3=1.0/(dot(abs(v00-s22),dt)+0.00001);
+   float v4=1.0/(dot(abs(v02-s20),dt)+0.00001);
+
+   float3 t1 = 0.5*(m1*(s00+s22)+m2*(s02+s20))/(m1+m2);
+   float3 t2 = 0.5*(h1*(s00+h22)+h2*(s02+h20)+h3*(h00+s22)+h4*(h02+s20))/(h1+h2+h3+h4);
+   float3 t3 = 0.5*(v1*(s00+v22)+v2*(s02+v20)+v3*(v00+s22)+v4*(v02+s20))/(v1+v2+v3+v4);
+
+   float k1 = 1.0/(dot(abs(t1-c11),dt)+0.00001);
+   float k2 = 1.0/(dot(abs(t2-c11),dt)+0.00001);
+   float k3 = 1.0/(dot(abs(t3-c11),dt)+0.00001);
+
+   FragColor = float4((k1*t1 + k2*t2 + k3*t3)/(k1+k2+k3),1.0);
+} 
+#endif

xsal/xbr-lv3-2xsal-lv2-aa-soft.glslp

@@ -0,0 +1,21 @@
+shaders = 3
+
+shader0 = ../xbr/shaders/xbr-lv3.glsl
+filter_linear0 = false
+scale_type0 = source
+scale0 = 4.0
+
+shader1 = shaders/2xsal-level2-xbr.glsl
+filter_linear1 = true
+scale_type1 = source
+scale1 = 1.0
+
+shader2 = ../anti-aliasing/shaders/aa-shader-4.0.glsl
+filter_linear2 = false
+scale_type2 = viewport
+scale2 = 1.0
+
+parameters = "INTERNAL_RES;AAOFFSET"
+
+INTERNAL_RES = 2.0
+AAOFFSET = 0.675

xsal/xbr-lv3-2xsal-lv2-aa.glslp

@@ -0,0 +1,20 @@
+shaders = 3
+
+shader0 = ../xbr/shaders/xbr-lv3.glsl
+filter_linear0 = false
+scale_type0 = source
+scale0 = 5.0
+
+shader1 = shaders/2xsal-level2-xbr.glsl
+filter_linear1 = false
+scale_type1 = source
+scale1 = 1.0
+
+shader2 = ../anti-aliasing/shaders/aa-shader-4.0.glsl
+filter_linear2 = false
+scale_type2 = viewport
+scale2 = 1.0
+
+parameters = "INTERNAL_RES"
+
+INTERNAL_RES = 2.0

xsal/xbr-lv3-aa-fast.glslp

@@ -0,0 +1,15 @@
+shaders = 2
+
+shader0 = ../xbr/shaders/xbr-lv3.glsl
+filter_linear0 = false
+scale_type0 = source
+scale0 = 5.0
+
+shader1 = ../anti-aliasing/shaders/aa-shader-4.0.glsl
+filter_linear1 = false
+scale_type1 = viewport
+scale1 = 1.0
+
+parameters = "INTERNAL_RES"
+
+INTERNAL_RES = 4.0

xsal/xbr-lv3-aa-soft-fast.glslp

@@ -0,0 +1,15 @@
+shaders = 2
+
+shader0 = ../xbr/shaders/xbr-lv3.glsl
+filter_linear0 = false
+scale_type0 = source
+scale0 = 4.0
+
+shader1 = ../anti-aliasing/shaders/aa-shader-4.0.glsl
+filter_linear1 = false
+scale_type1 = viewport
+scale1 = 1.0
+
+parameters = "INTERNAL_RES"
+
+INTERNAL_RES = 4.0