Add 4.5 engine files

Shaders/sharpen/fast-sharpen.glsl

@@ -0,0 +1,148 @@
+/*
+   Fast Sharpen Shader
+   
+   Copyright (C) 2005 - 2019 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.
+*/
+
+#pragma parameter SHARPEN  "Sharpen strength"       1.00 0.0 2.00 0.05 
+#pragma parameter CONTR    "Ammount of sharpening"  0.07 0.0 0.25 0.01 
+#pragma parameter DETAILS  "Details sharpened "     1.00 0.0 1.00 0.05 
+
+#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 TexCoord;
+COMPAT_VARYING vec4 TEX0;
+
+vec4 _oPosition1; 
+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;
+COMPAT_VARYING vec2 g10;
+COMPAT_VARYING vec2 g01;
+COMPAT_VARYING vec2 g12;
+COMPAT_VARYING vec2 g21;
+
+// 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;
+    TEX0.xy = TexCoord.xy * 1.00001;
+   g10 = vec2( 0.3333,-1.0)*SourceSize.zw;
+   g01 = vec2(-1.0,-0.3333)*SourceSize.zw;
+   g12 = vec2(-0.3333, 1.0)*SourceSize.zw;
+   g21 = vec2( 1.0, 0.3333)*SourceSize.zw; 
+}
+
+#elif defined(FRAGMENT)
+
+#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
+
+#if __VERSION__ >= 130
+#define COMPAT_VARYING in
+#define COMPAT_TEXTURE texture
+out COMPAT_PRECISION vec4 FragColor;
+#else
+#define COMPAT_VARYING varying
+#define FragColor gl_FragColor
+#define COMPAT_TEXTURE texture2D
+#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;
+COMPAT_VARYING vec2 g10;
+COMPAT_VARYING vec2 g01;
+COMPAT_VARYING vec2 g12;
+COMPAT_VARYING vec2 g21;
+
+// 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)
+
+#ifdef PARAMETER_UNIFORM
+uniform COMPAT_PRECISION float SHARPEN;
+uniform COMPAT_PRECISION float CONTR;
+uniform COMPAT_PRECISION float DETAILS;
+#else
+#define SHARPEN   1.2
+#define CONTR  0.08
+#define DETAILS   1.0
+#endif 
+
+void main()
+{
+	vec3 c10 = COMPAT_TEXTURE(Source, vTexCoord + g10).rgb;
+	vec3 c01 = COMPAT_TEXTURE(Source, vTexCoord + g01).rgb;
+	vec3 c21 = COMPAT_TEXTURE(Source, vTexCoord + g21).rgb;
+	vec3 c12 = COMPAT_TEXTURE(Source, vTexCoord + g12).rgb;
+	vec3 c11 = COMPAT_TEXTURE(Source, vTexCoord      ).rgb;	
+	vec3 b11 = (c10+c01+c12+c21)*0.25; 
+	
+	float contrast = max(max(c11.r,c11.g),c11.b);
+	contrast = mix(2.0*CONTR, CONTR, contrast);
+	
+	vec3 mn1 = min(min(c10,c01),min(c12,c21)); mn1 = min(mn1,c11*(1.0-contrast));
+	vec3 mx1 = max(max(c10,c01),max(c12,c21)); mx1 = max(mx1,c11*(1.0+contrast));
+	
+	vec3 dif = pow(mx1-mn1+0.0001, vec3(0.75,0.75,0.75));
+	vec3 sharpen = mix(vec3(SHARPEN*DETAILS), vec3(SHARPEN), dif);
+	
+	c11 = clamp(mix(c11,b11,-sharpen), mn1,mx1);
+	
+	FragColor = vec4(c11,1.0); 
+} 
+#endif