blob: 04594b6e395d3ce6c2f798214edfdc4706d42c8b (plain)

ofs	hex dump	ascii
0000	89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 00 00 00 80 00 00 00 80 08 06 00 00 00 c3 3e 61	.PNG........IHDR..............>a
0020	cb 00 00 00 01 73 52 47 42 00 ae ce 1c e9 00 00 00 06 62 4b 47 44 00 ff 00 ff 00 ff a0 bd a7 93	.....sRGB.........bKGD..........
0040	00 00 00 09 70 48 59 73 00 00 0b 13 00 00 0b 13 01 00 9a 9c 18 00 00 00 07 74 49 4d 45 07 de 01	....pHYs.................tIME...
0060	17 12 30 06 3d c9 75 b1 00 00 02 82 49 44 41 54 78 da ed dd c1 6e db 30 10 00 51 d1 c8 ff ff 32	..0.=.u.....IDATx....n.0..Q uniform sampler2D myTexture; uniform float fogDistance; varying vec3 vPosition; void main (void) { vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0])); col *= gl_Color; float a = gl_Color.a; col = col * col; // SRGB -> Linear col *= 1.8; col.r = 1.0 - exp(1.0 - col.r) / exp(1.0); col.g = 1.0 - exp(1.0 - col.g) / exp(1.0); col.b = 1.0 - exp(1.0 - col.b) / exp(1.0); col = sqrt(col); // Linear -> SRGB if(fogDistance != 0.0){ float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0)); a = mix(a, 0.0, d); } gl_FragColor = vec4(col.r, col.g, col.b, a); }