| … | |
… | |
| 93 | temp_1f lz; |
93 | temp_1f lz; |
| 94 | |
94 | |
| 95 | // TODO: negative z is not calculated in an acceptable way |
95 | // TODO: negative z is not calculated in an acceptable way |
| 96 | lz = z (vout.position); |
96 | lz = z (vout.position); |
| 97 | z (vout.position) = (log2 (lz) * (2 / log2 (1e10)) - 1) * w (vout.position); |
97 | z (vout.position) = (log2 (lz) * (2 / log2 (1e10)) - 1) * w (vout.position); |
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98 | #if 0 |
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99 | z (vout.position) = |
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100 | ifelse ( |
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101 | z < 0, |
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102 | -1, |
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103 | log2 (lz) * (2 / log2 (1e10)) - 1 |
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104 | ) * w (vout.position); |
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105 | #endif |
| 98 | } |
106 | } |
| 99 | |
107 | |
| 100 | vsh_src = shader::shader_builder::stop (); |
108 | vsh_src = shader::shader_builder::stop (); |
| 101 | |
109 | |
| 102 | shader::shader_builder::start (); |
110 | shader::shader_builder::start (); |
