| … | |
… | |
| 84 | if (ctx.pass_data->l) |
84 | if (ctx.pass_data->l) |
| 85 | ctx.pass_data->l->vsh (); |
85 | ctx.pass_data->l->vsh (); |
| 86 | |
86 | |
| 87 | vsh (ctx); |
87 | vsh (ctx); |
| 88 | |
88 | |
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89 | // compute logarithmic depth - see the frustum matrix in view.C |
| 89 | { |
90 | { |
| 90 | using namespace shader::compile; |
91 | using namespace shader::compile; |
| 91 | |
92 | |
| 92 | //z (vout.position) = log2 (z (vout.position) / w (vout.position)) * w (vout.position); |
93 | temp_1f lz; |
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94 | |
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95 | // TODO: negative z is not calculated in an acceptable way |
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96 | lz = z (vout.position); |
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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 |
| 93 | } |
106 | } |
| 94 | |
107 | |
| 95 | vsh_src = shader::shader_builder::stop (); |
108 | vsh_src = shader::shader_builder::stop (); |
| 96 | |
109 | |
| 97 | shader::shader_builder::start (); |
110 | shader::shader_builder::start (); |
| … | |
… | |
| 112 | |
125 | |
| 113 | po->enable (); |
126 | po->enable (); |
| 114 | } |
127 | } |
| 115 | else |
128 | else |
| 116 | i->second->enable (); |
129 | i->second->enable (); |
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130 | |
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131 | if (ctx.pass_data->l) |
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132 | ctx.pass_data->l->enable (); |
| 117 | } |
133 | } |
| 118 | |
134 | |
| 119 | void material::disable (view &ctx) |
135 | void material::disable (view &ctx) |
| 120 | { |
136 | { |
| 121 | } |
137 | } |
