first commit

project/fm_viewer/fav/shaders/defish4.fsh

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+uniform sampler2D u_Texture0;
+uniform sampler2D u_Texture1;
+uniform sampler2D u_Texture2;
+
+varying vec2 v_TexCoords0;
+varying vec2 v_TexCoords1;
+varying vec2 v_TexCoords2;
+
+#define v_TexCoords1 v_TexCoords0
+#define v_TexCoords2 v_TexCoords0
+#define v_TexCoords3 v_TexCoords0
+
+uniform float u_opacity;
+uniform mat4 u_colorMatrix;
+
+uniform mat3 tune360;       //
+uniform int resolution;     // 0:FHD, 1:HD, 2:SD
+
+
+float PI = 3.14159265358979;
+
+void main()	{
+
+    //gl_FragColor = pixel(v_TexCoords0.st);
+    //return;
+    // 최종 Dual EQ 처리된 화면 좌표
+    vec2 src = v_TexCoords0.st;
+    vec2 res;
+
+    vec2 center = vec2(0.0,0.0);
+    vec2 rr = vec2(0.0,0.0);
+
+    float fobx = 213.47;
+    float foby = 101.8 * (1.0 + 0.02 *5.0);
+    float xc = 1.7;
+    //float blurlen = 0.02;
+    if(resolution == 2)
+    {
+        // -0.043600,-0.023700,-0.095750,
+        // -0.040600,-0.025600,-0.185000,
+        // 0.000000,0.000000,0.004600;
+        //fobx = 180.0 * (1.0 + -0.05 *5.0);
+        fobx = 220.0 * (1.0 + -0.05 *5.0);
+        foby = 80.0 * (1.0 + 0.05 *5.0);
+        xc = 2.0;
+        //float blurlen = 0.2;
+    }
+    // 좌측은 [N][0] 0:center X,1:rx,2
+    // 우측은 [N][1] 0,1,2
+
+    // 좌측 0~0.5 -> 0~1.0 으로 변경
+    if(v_TexCoords0.st.x < 0.5)
+    {
+        src.x *= 2.0;
+        if(resolution == 2)
+        {
+            // -0.043600,-0.023700,-0.095750
+            center = vec2(0.01-0.043600,0.0);    // blur 처리에 오차 발생
+            rr = vec2(100.0/100.0*(1.0+(-0.023700*6.0)),100.0/100.0*(1.0-0.095750));
+        }
+        else {
+            center = vec2(0.01,0.0);    // blur 처리에 오차 발생
+            rr = vec2(1.0,1.0);
+        }
+        center += vec2(tune360[0][0]*0.2,tune360[1][0]*0.2);
+        rr += vec2(tune360[2][0],tune360[0][2]);
+    }
+    else // 우측 0.5~1.0 -> 0~1.0 으로 변경
+    {
+        src.x = (src.x-0.5) * 2.0;
+        if(resolution == 2)
+        {
+            // -0.040600,-0.025600,-0.185000,
+            center = vec2(-0.040600,0.0);
+            rr = vec2(100.0/100.0*(1.0-0.025600*6.0),100.0/100.0*(1.0-0.185000));
+        }
+        else
+        {
+            center = vec2(0.0,0.0);
+            rr = vec2(1.0,1.0);
+        }
+        center += vec2(tune360[0][1]*0.2,tune360[1][1]*0.2);
+        rr += vec2(tune360[2][1],tune360[1][2]);
+    }
+    src += center;
+    if(resolution == 2)
+    {
+        src += vec2(tune360[0][2],tune360[1][2]);
+    }
+
+    /*
+    float a = 1.0;
+    if(v_TexCoords0.st.x < blurlen)
+    {
+        a = 1.0 - (blurlen-v_TexCoords0.st.x)*(1.0/blurlen);
+    }
+    else if((1.0-v_TexCoords0.st.x) < blurlen)
+    {
+        a = 1.0 - (blurlen-(1.0-v_TexCoords0.st.x))*(1.0/blurlen);
+    }
+    else if(v_TexCoords0.st.x > 0.5 && v_TexCoords0.st.x-0.5 < blurlen)
+    {
+        a = 1.0 - (blurlen-(v_TexCoords0.st.x-0.5))*(1.0/blurlen);
+    }
+    else if(v_TexCoords0.st.x > (0.5-blurlen) && v_TexCoords0.st.x < 0.5)
+    {
+        a = 1.0 - (v_TexCoords0.st.x-(0.5-blurlen)) * (1.0/blurlen);
+    }
+    */
+
+    // 0~1 to -0.5~0.5
+
+    // Eq 2D to 3D Vector
+    float theta = PI * (src.x  - 0.5);
+    float phi = PI * (src.y - 0.5);
+
+    vec3 p = vec3(cos(phi)*sin(theta), cos(phi)*cos(theta), sin(phi));
+
+    // 3D Vector to fisheye
+    theta = atan(p.z,p.x);
+    phi = atan(sqrt((p.x*p.x)+(p.z*p.z)),p.y);
+
+
+
+    float rx = phi / ((fobx * PI) / 180.0) / xc;
+    float ry = phi / ((foby * PI) / 180.0);
+
+    rx *= rr.x;
+    ry *= rr.y;
+
+    res = vec2(rx*cos(theta),ry*sin(theta));
+
+
+    //res += center;
+    res += 0.5; // range -0.5~0.5 to 0~1.0
+
+    // 상하단 clip
+    bool yclip = false;
+
+    // 0.0~1.0 => 상/하단으로 변경
+    if(v_TexCoords0.st.x < 0.5)
+    {
+        res = vec2(res.x*2.0-0.5,res.y*0.5+0.5);
+        yclip = res.y < 0.505 || res.y > 1.0;
+    }
+    else
+    {
+        res = vec2(res.x*2.0-0.5,res.y*0.5);
+        yclip = res.y > 0.495 || res.y < 0.0;
+    }
+
+    bool xclip = (resolution == 2 && (res.x < 0.0 || res.x > 1.0));
+    bool bclip = (resolution == 2 && res.x > (0.95 + -0.014));
+
+    if(yclip)
+    {
+        if(v_TexCoords0.st.x < 0.5)
+        {
+            if(res.y < 0.505)
+            {
+                res = vec2(res.x,0.505);
+            }
+            else
+            {
+                res = vec2(res.x,1.0);
+            }
+        }
+        else
+        {
+            if(res.y > 0.495)
+            {
+                //gl_FragColor =vec4(0.0,1.0,0.0,1.0);
+                //return;
+
+                res = vec2(res.x,0.495);
+            }
+            else
+            {
+                res = vec2(res.x,0.0+0.0001);
+            }
+        }
+        //gl_FragColor =vec4(0.5,0.5,0.5,1.0);
+        //return;
+    }
+    if(xclip || bclip)
+    {
+        gl_FragColor =vec4(0.5,0.5,0.5,1.0);
+        return;
+    }
+
+    /*
+    if(a < 1.0)
+    {
+        // 1920x2176, 1280x1440, 720x960
+        vec2 resolut = vec2(1920.0,2176.0);
+        //vec2 uv = res * resolut;
+        gl_FragColor = effect(res,resolut,a);
+        //gl_FragColor = blur13(res, resolut, vec2(0.5,1.0));
+
+    }
+    else
+    */
+    {
+        gl_FragColor = clamp(u_colorMatrix *
+                              vec4(texture2D(u_Texture0, res).r,
+                                   texture2D(u_Texture1, res).r,
+                                   texture2D(u_Texture2, res).r,1.0), 0.0, 1.0);
+
+    }
+
+}