| #version 100 |
| |
| uniform highp float u_skRTHeight; |
| precision mediump float; |
| uniform vec4 uproxyRect_Stage1; |
| uniform float uprofileSize_Stage1; |
| uniform vec4 urect_Stage2; |
| uniform highp sampler2D uTextureSampler_0_Stage1; |
| varying mediump vec4 vcolor_Stage0; |
| void main() { |
| highp vec2 _sktmpCoord = gl_FragCoord.xy; |
| highp vec4 sk_FragCoord = vec4(_sktmpCoord.x, u_skRTHeight - _sktmpCoord.y, 1.0, 1.0); |
| vec4 outputColor_Stage0; |
| { |
| outputColor_Stage0 = vcolor_Stage0; |
| } |
| vec4 output_Stage1; |
| { |
| vec2 translatedPos = sk_FragCoord.xy - uproxyRect_Stage1.xy; |
| float width = uproxyRect_Stage1.z - uproxyRect_Stage1.x; |
| float height = uproxyRect_Stage1.w - uproxyRect_Stage1.y; |
| vec2 smallDims = vec2(width - uprofileSize_Stage1, height - uprofileSize_Stage1); |
| float center = 2.0 * floor(uprofileSize_Stage1 / 2.0 + 0.25) - 1.0; |
| vec2 wh = smallDims - vec2(center, center); |
| float horiz_lookup; |
| { |
| float coord = (abs(translatedPos.x - 0.5 * width) - 0.5 * wh.x) / uprofileSize_Stage1; |
| horiz_lookup = texture2D(uTextureSampler_0_Stage1, vec2(coord, 0.5)).wwww.w; |
| } |
| float vert_lookup; |
| { |
| float coord = (abs(translatedPos.y - 0.5 * height) - 0.5 * wh.y) / uprofileSize_Stage1; |
| vert_lookup = texture2D(uTextureSampler_0_Stage1, vec2(coord, 0.5)).wwww.w; |
| } |
| float final = horiz_lookup * vert_lookup; |
| output_Stage1 = vec4(final); |
| } |
| vec4 output_Stage2; |
| { |
| float xSub, ySub; |
| xSub = min(sk_FragCoord.x - urect_Stage2.x, 0.0); |
| xSub += min(urect_Stage2.z - sk_FragCoord.x, 0.0); |
| ySub = min(sk_FragCoord.y - urect_Stage2.y, 0.0); |
| ySub += min(urect_Stage2.w - sk_FragCoord.y, 0.0); |
| float alpha = (1.0 + max(xSub, -1.0)) * (1.0 + max(ySub, -1.0)); |
| alpha = 1.0 - alpha; |
| output_Stage2 = output_Stage1 * alpha; |
| } |
| { |
| gl_FragColor = outputColor_Stage0 * output_Stage2; |
| } |
| } |