| … | |
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| 69 | { |
69 | { |
| 70 | } |
70 | } |
| 71 | |
71 | |
| 72 | void material::enable (view &ctx) |
72 | void material::enable (view &ctx) |
| 73 | { |
73 | { |
| 74 | pass::matmap_t &matmap = ctx.pass_data->matmap; |
74 | pass_data::matmap_t &matmap = ctx.pass->matmap; |
| 75 | |
75 | |
| 76 | pass::matmap_t::iterator i = matmap.find (this); |
76 | pass_data::matmap_t::iterator i = matmap.find (this); |
| 77 | |
77 | |
| 78 | if (i == matmap.end ()) |
78 | if (i == matmap.end ()) |
| 79 | { |
79 | { |
| 80 | string vsh_src, fsh_src; |
80 | string vsh_src, fsh_src; |
| 81 | |
81 | |
| 82 | shader::shader_builder::start (); |
82 | shader::shader_builder::start (); |
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83 | |
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84 | if (ctx.pass->l) |
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85 | ctx.pass->l->vsh (); |
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86 | |
| 83 | vsh (ctx); |
87 | vsh (ctx); |
| 84 | |
88 | |
| 85 | if (ctx.pass_data->l) |
89 | // compute logarithmic depth - see the frustum matrix in view.C |
| 86 | ctx.pass_data->l->vsh (); |
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| 87 | |
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| 88 | { |
90 | { |
| 89 | using namespace shader::compile; |
91 | using namespace shader::compile; |
| 90 | |
92 | |
| 91 | 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, clipping does horrible things(?) |
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96 | lz = z (vout.position); |
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97 | z (vout.position) = (ifelse ( |
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98 | lz < 0, |
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99 | lz, |
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100 | log (lz) * (2 / log (1e10)) |
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101 | ) - 1) * w (vout.position); |
| 92 | } |
102 | } |
| 93 | |
103 | |
| 94 | vsh_src = shader::shader_builder::stop (); |
104 | vsh_src = shader::shader_builder::stop (); |
| 95 | |
105 | |
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106 | shader::shader_builder::start (); |
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107 | |
| 96 | if (ctx.pass_data->l || 1) |
108 | if (ctx.pass->l) |
| 97 | { |
109 | { |
| 98 | shader::shader_builder::start (); |
110 | ctx.pass->l->fsh (); |
| 99 | shader::compile::fout.frag_color = shader::compile::float4 (1., 1., 0., 1.); |
111 | |
| 100 | fsh (ctx); |
112 | fsh (ctx); |
| 101 | |
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| 102 | fsh_src = shader::shader_builder::stop (); |
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| 103 | } |
113 | } |
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114 | else |
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115 | shader::compile::fout.frag_color = shader::compile::float4 (1., 0., 1., 1.); |
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116 | |
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117 | fsh_src = shader::shader_builder::stop (); |
| 104 | |
118 | |
| 105 | shader::program_object po = shader::get_program (vsh_src, fsh_src); |
119 | shader::program_object po = shader::get_program (vsh_src, fsh_src); |
| 106 | matmap.insert (pass::matmap_t::value_type (this, po)); |
120 | matmap.insert (pass_data::matmap_t::value_type (this, po)); |
| 107 | |
121 | |
| 108 | po->enable (); |
122 | po->enable (); |
| 109 | } |
123 | } |
| 110 | else |
124 | else |
| 111 | i->second->enable (); |
125 | i->second->enable (); |
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126 | |
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127 | if (ctx.pass->l) |
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128 | ctx.pass->l->enable (); |
| 112 | } |
129 | } |
| 113 | |
130 | |
| 114 | void material::disable (view &ctx) |
131 | void material::disable (view &ctx) |
| 115 | { |
132 | { |
| 116 | } |
133 | } |
| … | |
… | |
| 120 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
137 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
| 121 | , norm ("textures/rockwall_normal.jpg"), normvar (norm.name) |
138 | , norm ("textures/rockwall_normal.jpg"), normvar (norm.name) |
| 122 | { |
139 | { |
| 123 | } |
140 | } |
| 124 | |
141 | |
| 125 | static shader::varying_3f normal, lightvec; |
142 | static shader::varying_3f normal; |
| 126 | static shader::varying_2f texcoord; |
143 | static shader::varying_2f texcoord; |
| 127 | |
144 | |
| 128 | void test_material::vsh (view &ctx) |
145 | void test_material::vsh (view &ctx) |
| 129 | { |
146 | { |
| 130 | using namespace shader::compile; |
147 | using namespace shader::compile; |
| 131 | |
148 | |
| 132 | std_vsh (); |
149 | std_vsh (); |
| 133 | |
150 | |
| 134 | if (ctx.pass_data->l) |
151 | if (ctx.pass->l) |
| 135 | { |
152 | { |
| 136 | texcoord = xy (vin.tex_coord[0]); |
153 | texcoord = xy (vin.tex_coord[0]); |
| 137 | normal = normal_matrix * vin.normal; |
154 | normal = normal_matrix * vin.normal; |
| 138 | lightvec = xyz (ctx.pass_data->l->lightpos - model_view_matrix * vin.vertex); |
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| 139 | } |
155 | } |
| 140 | } |
156 | } |
| 141 | |
157 | |
| 142 | void test_material::fsh (view &ctx) |
158 | void test_material::fsh (view &ctx) |
| 143 | { |
159 | { |
| 144 | using namespace shader::compile; |
160 | using namespace shader::compile; |
| 145 | |
161 | |
| 146 | if (ctx.pass_data->l) |
162 | if (ctx.pass->l) |
| 147 | { |
163 | { |
| 148 | temp_3f lc; |
164 | temp_3f lc; |
| 149 | temp_1f fac; |
165 | temp_1f fac; |
| 150 | |
166 | |
| 151 | lc = (*ctx.pass_data->l)(); |
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| 152 | |
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| 153 | temp_3f rot1, rot2, rot3; |
167 | temp_3f rot1, rot2, rot3; |
| 154 | |
168 | |
| 155 | yxz (rot1) = (texture_2d (normvar, texcoord) * 2.F - 1.F); |
169 | yxz (rot1) = (texture_2d (normvar, texcoord) * 2.F - 1.F); |
| 156 | |
170 | |
| 157 | //rot1 = normal_matrix * rot1; |
171 | //rot1 = normal_matrix * rot1; |
| … | |
… | |
| 159 | rot2 = float3 (x(rot1), z(rot1), -y(rot1)); |
173 | rot2 = float3 (x(rot1), z(rot1), -y(rot1)); |
| 160 | rot3 = float3 (y(rot1), -x(rot1), z(rot1)); |
174 | rot3 = float3 (y(rot1), -x(rot1), z(rot1)); |
| 161 | |
175 | |
| 162 | normal = mat3 (rot1, rot2, rot3) * normal; |
176 | normal = mat3 (rot1, rot2, rot3) * normal; |
| 163 | |
177 | |
| 164 | fac = dot (normalize (normal), normalize (lightvec)); |
178 | fac = dot (normalize (normal), normalize (ctx.pass->l->sh_lightvec)); |
| 165 | fac = max (pow (max (fac, 0.0), 6), 0.3); |
179 | fac = max (pow (max (fac, 0.0), 6), 0.3); |
| 166 | xyz (fout.frag_color) = (texture_2d (texvar, texcoord) + 0.2F) * lc * fac; |
180 | xyz (fout.frag_color) = (texture_2d (texvar, texcoord) + 0.2F) * fac |
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181 | * ctx.pass->l->sh_colour; |
| 167 | //xyz (fout.frag_color) = lc * fac; |
182 | //xyz (fout.frag_color) = lc * fac; |
| 168 | } |
183 | } |
| 169 | } |
184 | } |
| 170 | |
185 | |
| 171 | void test_material::enable (view &ctx) |
186 | void test_material::enable (view &ctx) |
