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55 | glGenTextures (1, &name); |
55 | glGenTextures (1, &name); |
56 | glBindTexture (GL_TEXTURE_2D, name); |
56 | glBindTexture (GL_TEXTURE_2D, name); |
57 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
57 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
58 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
58 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
59 | glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); |
59 | glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); |
60 | glTexImage2D (GL_TEXTURE_2D, |
60 | glTexImage2D (GL_TEXTURE_2D, 0, |
61 | 0, |
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62 | GL_RGBA, surface->w, surface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
61 | GL_RGBA, surface->w, surface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
63 | SDL_FreeSurface (image); /* No longer needed */ |
62 | SDL_FreeSurface (image); /* No longer needed */ |
64 | |
63 | |
65 | return name; |
64 | return name; |
66 | } |
65 | } |
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… | |
90 | { |
89 | { |
91 | using namespace shader::compile; |
90 | using namespace shader::compile; |
92 | |
91 | |
93 | temp_1f lz; |
92 | temp_1f lz; |
94 | |
93 | |
95 | // TODO: negative z is not calculated in an acceptable way |
94 | // TODO: negative z is not calculated in an acceptable way, clipping does horrible things(?) |
96 | lz = z (vout.position); |
95 | lz = z (vout.position); |
97 | z (vout.position) = (log2 (lz) * (2 / log2 (1e10)) - 1) * w (vout.position); |
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98 | #if 0 |
96 | #if 0 |
99 | z (vout.position) = |
97 | lz = (log (max (lz, 0) + 1) / log (1e30)) - 1; |
100 | ifelse ( |
98 | #else |
101 | z < 0, |
99 | lz = ifelse (lz <= 0, |
102 | -1, |
100 | 0, |
103 | log2 (lz) * (2 / log2 (1e10)) - 1 |
101 | log (lz + 1) / log (1e30) |
104 | ) * w (vout.position); |
102 | ) - 1; |
105 | #endif |
103 | #endif |
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104 | z (vout.position) = lz * w (vout.position); |
106 | } |
105 | } |
107 | |
106 | |
108 | vsh_src = shader::shader_builder::stop (); |
107 | vsh_src = shader::shader_builder::stop (); |
109 | |
108 | |
110 | shader::shader_builder::start (); |
109 | shader::shader_builder::start (); |
111 | |
110 | |
112 | if (ctx.pass->l) |
111 | if (ctx.pass->l) |
113 | { |
112 | { |
114 | ctx.pass->l->fsh (); |
113 | ctx.pass->l->fsh (); |
115 | |
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116 | fsh (ctx); |
114 | fsh (ctx); |
117 | } |
115 | } |
118 | else |
116 | else |
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117 | // many drivers need both vertex and fragment shader, 'caboom!' otherwise |
119 | shader::compile::fout.frag_color = shader::compile::float4 (1., 0., 1., 1.); |
118 | shader::compile::fout.frag_color = shader::compile::float4 (0., 0., 0., 0.); |
120 | |
119 | |
121 | fsh_src = shader::shader_builder::stop (); |
120 | fsh_src = shader::shader_builder::stop (); |
122 | |
121 | |
123 | shader::program_object po = shader::get_program (vsh_src, fsh_src); |
122 | shader::program_object po = shader::get_program (vsh_src, fsh_src); |
124 | matmap.insert (pass_data::matmap_t::value_type (this, po)); |
123 | matmap.insert (pass_data::matmap_t::value_type (this, po)); |
… | |
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127 | } |
126 | } |
128 | else |
127 | else |
129 | i->second->enable (); |
128 | i->second->enable (); |
130 | |
129 | |
131 | if (ctx.pass->l) |
130 | if (ctx.pass->l) |
132 | ctx.pass->l->enable (); |
131 | ctx.pass->l->enable (ctx); |
133 | } |
132 | } |
134 | |
133 | |
135 | void material::disable (view &ctx) |
134 | void material::disable (view &ctx) |
136 | { |
135 | { |
137 | } |
136 | } |
… | |
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141 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
140 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
142 | , norm ("textures/rockwall_normal.jpg"), normvar (norm.name) |
141 | , norm ("textures/rockwall_normal.jpg"), normvar (norm.name) |
143 | { |
142 | { |
144 | } |
143 | } |
145 | |
144 | |
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145 | void mat_gouraud_shaded::enable (view &ctx) |
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146 | { |
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147 | material::enable (ctx); |
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148 | |
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149 | sh_colour->set (vec3 (c.r, c.g, c.b) * (1.F / 255.F)); |
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150 | } |
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151 | |
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152 | void mat_gouraud_shaded::disable (view &ctx) |
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153 | { |
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154 | material::disable (ctx); |
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155 | } |
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156 | |
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157 | void mat_gouraud_shaded::vsh (view &ctx) |
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158 | { |
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159 | using namespace shader::compile; |
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160 | std_vsh (); |
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161 | |
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162 | if (ctx.pass->l) |
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163 | f_normal = normal_matrix * vin.normal; |
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164 | } |
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165 | |
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166 | void mat_gouraud_shaded::fsh (view &ctx) |
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167 | { |
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168 | using namespace shader::compile; |
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169 | |
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170 | if (ctx.pass->l) |
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171 | { |
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172 | temp_1f fac; |
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173 | |
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174 | fac = dot (normalize (f_normal), normalize (ctx.pass->l->sh_lightvec)); |
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175 | |
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176 | xyz (fout.frag_color) = ctx.pass->l->sh_colour * sh_colour * fac; |
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177 | } |
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178 | } |
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179 | |
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180 | static shader::varying_2f texcoord; |
146 | static shader::varying_3f normal; |
181 | static shader::varying_3f normal; |
147 | static shader::varying_2f texcoord; |
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148 | |
182 | |
149 | void test_material::vsh (view &ctx) |
183 | void test_material::vsh (view &ctx) |
150 | { |
184 | { |
151 | using namespace shader::compile; |
185 | using namespace shader::compile; |
152 | |
186 | |
… | |
… | |
200 | texvar->disable (); |
234 | texvar->disable (); |
201 | material::disable (ctx); |
235 | material::disable (ctx); |
202 | } |
236 | } |
203 | |
237 | |
204 | test_material *testmat; |
238 | test_material *testmat; |
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239 | mat_gouraud_shaded *testmat2; |
205 | |
240 | |