Initial import of KREngine

--HG-- extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%404
2011-10-25 05:03:10 +00:00
parent 5937288f78
commit cece608881
86 changed files with 12190 additions and 0 deletions
--- a/objview/Classes/krengine/Shaders/PostShader.fsh
+++ b/objview/Classes/krengine/Shaders/PostShader.fsh
@@ -0,0 +1,150 @@
+#define DOF_QUALITY 0
+#define ENABLE_VIDEO_BG 0
+#define PIXEL_SHIFT_1 0.001
+#define PIXEL_SHIFT_2 0.002
+#define PIXEL_SHIFT_3 0.003
+#define PIXEL_SHIFT_4 0.004
+
+
+varying mediump vec2 textureCoordinate;
+precision lowp float;
+
+#if ENABLE_VIDEO_BG == 0
+uniform lowp sampler2D videoFrame;
+#endif
+
+uniform lowp sampler2D renderFrame;
+uniform lowp sampler2D depthFrame;
+
+void main()
+{
+    
+    lowp vec4 renderColor = texture2D(renderFrame, textureCoordinate);
+    mediump float depth = texture2D(depthFrame, textureCoordinate).r;
+    
+    mediump vec4 pixelColor = renderColor;
+    
+    
+#if DOF_QUALITY == 2
+    
+    // Render high quality circle of confusion
+    // __XXX__
+    // _XXXXX_
+    // _XXXXX_
+    // _XXXXX_
+    // __XXX__
+    mediump float cf1 = PIXEL_SHIFT_1;
+    mediump float cf2 = PIXEL_SHIFT_2;
+    
+    mediump float bx1 = textureCoordinate.s + cf1;
+    mediump float bx2 = textureCoordinate.s + cf2;
+    mediump float bxm1 = textureCoordinate.s - cf1;
+    mediump float bxm2 = textureCoordinate.s - cf2;
+    
+    mediump float by1 = textureCoordinate.t + cf1;
+    mediump float by2 = textureCoordinate.t + cf2;
+    mediump float bym1 = textureCoordinate.t - cf1;
+    mediump float bym2 = textureCoordinate.t - cf2;
+    
+    pixelColor += texture2D(renderFrame, vec2(bx1, textureCoordinate.t));
+    pixelColor += texture2D(renderFrame, vec2(bxm1, textureCoordinate.t));
+    pixelColor += texture2D(renderFrame, vec2(bx2, textureCoordinate.t));
+    pixelColor += texture2D(renderFrame, vec2(bxm2, textureCoordinate.t));
+    
+    pixelColor += texture2D(renderFrame, vec2(textureCoordinate.s, by1));
+    pixelColor += texture2D(renderFrame, vec2(bx1, by1));
+    pixelColor += texture2D(renderFrame, vec2(bxm1, by1));
+    pixelColor += texture2D(renderFrame, vec2(bx2, by1));
+    pixelColor += texture2D(renderFrame, vec2(bxm2, by1));
+    
+    pixelColor += texture2D(renderFrame, vec2(textureCoordinate.s, by2));
+    pixelColor += texture2D(renderFrame, vec2(bx1, by2));
+    pixelColor += texture2D(renderFrame, vec2(bxm1, by2));
+    
+    pixelColor += texture2D(renderFrame, vec2(textureCoordinate.s,bym1));
+    pixelColor += texture2D(renderFrame, vec2(bx1,bym1));
+    pixelColor += texture2D(renderFrame, vec2(bxm1,bym1));
+    pixelColor += texture2D(renderFrame, vec2(bx2,bym1));
+    pixelColor += texture2D(renderFrame, vec2(bxm2,bym1));
+    
+    pixelColor += texture2D(renderFrame, vec2(bx1, bym2));
+    pixelColor += texture2D(renderFrame, vec2(bx1, bym2));  
+    pixelColor += texture2D(renderFrame, vec2(bxm1, bym2));
+    pixelColor /= 21.0;
+
+#endif
+// DOF_QUALITY == 2
+
+#if DOF_QUALITY == 1
+    
+    // Render low quality circle of confusion
+    // ___X___
+    // __XXX__
+    // _XXXXX_
+    // __XXX__
+    // ___X___
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(0, -PIXEL_SHIFT_2));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(-PIXEL_SHIFT_1, -PIXEL_SHIFT_1));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(0, -PIXEL_SHIFT_1));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(+PIXEL_SHIFT_1, -PIXEL_SHIFT_1));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(-PIXEL_SHIFT_2, 0));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(-PIXEL_SHIFT_1, 0));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(+PIXEL_SHIFT_1, 0));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(+PIXEL_SHIFT_2, 0));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(-PIXEL_SHIFT_1, -PIXEL_SHIFT_1));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(0, -PIXEL_SHIFT_1));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(+PIXEL_SHIFT_1, -PIXEL_SHIFT_1));
+    pixelColor += texture2D(renderFrame, textureCoordinate + vec2(0, -PIXEL_SHIFT_2));
+    pixelColor /= 13.0;
+     
+#endif
+// DOF_QUALITY == 1
+    
+#if DOF_QUALITY > 0
+    mediump float focusDepth = texture2D(depthFrame, vec2(0.5, 0.5)).r;
+    mediump float blurAmount = clamp((depth - focusDepth) * 10.0, 0.0, 1.0);
+    pixelColor = pixelColor * blurAmount + renderColor * (1.0 - blurAmount);
+#endif
+    
+    // ---- DEPTH_OF_FIELD END ----
+    
+    
+    
+    
+    // ---- NIGHT_TIME START ----
+    
+    // Un-comment to enable night time / flash effect
+    // pixelColor *= 1.0 - clamp((depth - 0.7) * 2.0, 0.0, 1.0);
+    
+    // ---- NIGHT_TIME END ----
+    
+    // ---- VIDEO_BG START ----
+    
+    /*
+    // Overlay video background
+    if(depth == 1.0) {
+        //FILTER COLOR BY CALCULATING PER PIXEL DOT PRODUCT
+        pixelColor = vec4(dot(vec3(texture2D(videoFrame, textureCoordinate)), vec3(.222, .707, .071)));
+    }
+     */
+    
+    // ---- VIDEO_BG END ----
+    
+
+    // ---- VIGNETTE START ----
+    
+    // Render vignette effect
+    
+    // pixelColor *= 1.0 - clamp((distance(textureCoordinate, vec2(0.5, 0.5)) - 0.4), 0.0, 1.0);
+    
+    // ---- VIGNETTE END ----
+    
+    gl_FragColor = pixelColor;
+    
+    
+     //PASSTHROUGH STATEMENT
+    // gl_FragColor = texture2D(depthFrame, textureCoordinate);
+    
+    //gl_FragColor = vec4(vec3(blurAmount), 1.0);
+     
+}