| … | |
… | |
| 92 | |
92 | |
| 93 | temp_1f lz; |
93 | temp_1f lz; |
| 94 | |
94 | |
| 95 | // TODO: negative z is not calculated in an acceptable way, clipping does horrible things(?) |
95 | // TODO: negative z is not calculated in an acceptable way, clipping does horrible things(?) |
| 96 | lz = z (vout.position); |
96 | lz = z (vout.position); |
| 97 | z (vout.position) = (ifelse ( |
97 | z (vout.position) = clamp ( |
| 98 | lz < 0, |
98 | ifelse (lz <= 0, |
| 99 | lz, |
99 | lz, |
| 100 | log (lz) * (2 / log (1e10)) |
100 | log (lz + 1) * (2 / log (1e10)) |
|
|
101 | ) - 1, |
|
|
102 | -1.F, +1.F |
| 101 | ) - 1) * w (vout.position); |
103 | ) * w (vout.position); |
| 102 | } |
104 | } |
| 103 | |
105 | |
| 104 | vsh_src = shader::shader_builder::stop (); |
106 | vsh_src = shader::shader_builder::stop (); |
| 105 | |
107 | |
| 106 | shader::shader_builder::start (); |
108 | shader::shader_builder::start (); |
